function image_create()
{
header("Content-type: image/png");
$string = $_GET['text'];
$font = imageloadfont("font.gdf");
$im = imagecreatefrompng("captsource.png");
$color[0] = imagecolorallocate($im, 0, 0, 0);
$color[1] = imagecolorallocate($im, 192, 192, 192);
$color[2] = imagecolorallocate($im, 255, 255, 00);
$color[3] = imagecolorallocate($im, 00, 128, 255);
$A = rand(0, 9);
//Диапазон для A
$B = rand(0, 9);
//Диапазон для B
$answer = 0;
if ($B > $A) {
$tmp = $B;
$B = $A;
$A = $tmp;
}
imagestring($im, $font, 5, rand(0, 2), $A, $color[rand(0, 3)]);
if (rand(0, 1)) {
imagestring($im, $font, 25, rand(0, 4), '+', $color[2]);
$answer = $A + $B;
} else {
imagestring($im, $font, 25, rand(0, 4), '-', $color[rand(0, 3)]);
$answer = $A - $B;
}
imagestring($im, $font, 50, rand(0, 2), $B, $color[rand(0, 3)]);
imagestring($im, $font, 78, 1, '=', $color[0]);
imagepng($im);
imagedestroy($im);
$_SESSION['answer'] = $answer;
}
public function setFont($fuente)
{
if (is_nan($fuente)) {
$fuente = imageloadfont($fuente);
}
$this->fuente = $fuente;
}
private function generate()
{
$this->image = imagecreate($this->width, $this->height);
imagecolorallocate($this->image, 200, 200, 200);
$text_color = imagecolorallocate($this->image, 50, 50, 50);
$this->jamm();
$font = imageloadfont(Kennel::$ROOT_PATH . '/system/assets/files/dots.gdf');
imagestring($this->image, $font, 5, 5, $this->text, $text_color);
}
function __construct($face, $color)
{
if (is_int($face) && $face >= 1 && $face <= 5) {
$this->font = $face;
} else {
$this->font = imageloadfont($face);
}
$this->color = $color;
}
function add_ticket($var_filename, $number, $dest, $text, $fax_img = null)
{
unset($exec_output);
unset($exec_return);
$convert_cmd = "/usr/bin/convert {$var_filename} " . IMAGEN_FAX;
if (file_exists($var_filename)) {
exec($convert_cmd, $exec_output, $exec_return);
}
if (file_exists(IMAGEN_FAX)) {
$files .= IMAGEN_FAX . " ";
echo "entro 19";
if (!function_exists('imagecreatefromjpeg')) {
die("no existe");
}
$image = imagecreatefromjpeg(IMAGEN_FAX);
$fuente1 = imageloadfont("arialns.gdf");
$fuente2 = imageloadfont("arial.gdf");
$fuente3 = imageloadfont("code.gdf");
imagestring($image, $fuente1, 10, 10, " Al contestar por favor cite estos datos", $negro);
imagestring($image, $fuente2, 10, 30, " Fecha de Radicado: " . date('d-m-Y') . "", $negro);
imagestring($image, $fuente2, 10, 50, " No. de Radicado:20075000000491", $negro);
imagestring($image, $fuente3, 10, 70, " 20075000000491", $negro);
imagejpeg($image, IMAGEN_FAX, 100);
} else {
$i = 0;
while (file_exists(IMAGEN_FAX . ".{$i}")) {
$image = imagecreatefrompng(IMAGEN_FAX . ".{$i}");
$negro = imagecolorallocate($image, 0, 0, 0);
$x = imagesx($image);
imagerectangle($image, $x / 2 - 5, 90, $x / 2 + 240, 170, $negro);
imagestring($image, 5, $x / 2, 100, "SUPERSOLIDARIA Rad No. {$number}", $negro);
imagestring($image, 5, $x / 2, 120, "{$text}", $negro);
imagestring($image, 5, $x / 2, 140, "Gestion Documental Orfeo", $negro);
imagepng($image, IMAGEN_FAX . ".{$i}");
$files .= IMAGEN_FAX . ".{$i} ";
$i++;
imagedestroy($image);
}
echo "entro else fax_temp";
}
unset($exec_output);
unset($exec_return);
$convert = "/usr/bin/convert -adjoin {$files} {$dest}";
exec($convert, $exec_output, $exec_return);
echo $convert;
if (file_exists(IMAGEN_FAX)) {
exec("rm -rf " . IMAGEN_FAX);
} else {
$i = 0;
while (file_exists(IMAGEN_FAX . ".{$i}")) {
exec("rm -rf " . IMAGEN_FAX . ".{$i}");
$i++;
}
}
}
function createImage()
{
$rgb = explode(',', $this->textcolor);
$im = imagecreatetruecolor($this->width, $this->height);
$text_color = imagecolorallocate($im, $rgb[0], $rgb[1], $rgb[2]);
$font = imageloadfont('./Army.ttf');
imagestring($im, $font, 100, 105, $this->slidetext, $text_color);
// Set the content type header - in this case image/jpeg
header('Content-Type: image/jpeg');
// Output the image
imagejpeg($im, './slides/slide1.jpeg');
// Free up memory
imagedestroy($im);
}
function kleeja_cpatcha_image()
{
//Let's generate a totally random string using md5
$md5_hash = md5(rand(0, 999));
//I think the bad things in captcha is two things, O and 0 , so let's remove zero.
$security_code = str_replace('0', '', $md5_hash);
//We don't need a 32 character long string so we trim it down to 5
$security_code = substr($security_code, 15, 5);
//Set the session to store the security code
$_SESSION["klj_sec_code"] = $security_code;
//Set the image width and height
$width = 150;
$height = 25;
//Create the image resource
$image = ImageCreate($width, $height);
//We are making three colors, white, black and gray
$white = ImageColorAllocate($image, 255, 255, 255);
$black = ImageColorAllocate($image, rand(0, 100), 0, rand(0, 50));
$grey = ImageColorAllocate($image, 204, 204, 204);
//Make the background black
ImageFill($image, 0, 0, $black);
//options
$x = 10;
$y = 14;
$angle = rand(-7, -10);
//Add randomly generated string in white to the image
if (function_exists('imagettftext')) {
//
// We figure a bug that happens when you add font name without './' before it ..
// he search in the Linux fonts cache , but when you add './' he will know it's our font.
//
imagettftext($image, 16, $angle, rand(50, $x), $y + rand(1, 3), $white, './arial.ttf', $security_code);
} else {
imagestring($image, imageloadfont('arial.gdf'), $x + rand(10, 15), $y - rand(10, 15), $security_code, $white);
}
//kleeja !
imagestring($image, 1, $width - 35, $height - 10, 'Kleeja', ImageColorAllocate($image, 200, 200, 200));
//Throw in some lines to make it a little bit harder for any bots to break
ImageRectangle($image, 0, 0, $width - 1, $height - 1, $grey);
imageline($image, 0, $height / 2, $width, $height / 2, $grey);
imageline($image, $width / 2, 0, $width / 2, $height, $grey);
//Tell the browser what kind of file is come in
header("Content-Type: image/png");
//Output the newly created image in jpeg format
ImagePng($image);
//Free up resources
ImageDestroy($image);
}
function display()
{
$width = 26 * $this->size;
$height = 50;
$string = $this->randStr();
$im = ImageCreate($width, $height);
$imBG = imagecreatefromjpeg(dirname(__FILE__) . "/captcha/images/captcha.jpg");
$bg = imagecolorallocate($im, 255, 255, 255);
$black = imagecolorallocate($im, 0, 0, 0);
$grey = imagecolorallocate($im, 170, 170, 170);
imagerectangle($im, 0, 0, $width - 1, $height - 1, $grey);
$font = imageloadfont(dirname(__FILE__) . "/captcha/font/anonymous.gdf");
imagestring($im, $font, $this->size, 5, $string, $black);
imagecopymerge($im, $imBG, 0, 0, 0, 0, 256, 256, 55);
imagepng($im);
imagedestroy($im);
}
public function __construct($aWidth = 0, $aHeight = 0, $aFormat = DEFAULT_GFORMAT, $aSetAutoMargin = true)
{
$this->original_width = $aWidth;
$this->original_height = $aHeight;
$this->CreateImgCanvas($aWidth, $aHeight);
if ($aSetAutoMargin) {
$this->SetAutoMargin();
}
if (!$this->SetImgFormat($aFormat)) {
Util\JpGraphError::RaiseL(25081, $aFormat);
//("JpGraph: Selected graphic format is either not supported or unknown [$aFormat]");
}
$this->ttf = new TTF();
$this->langconv = new LanguageConv();
$this->ff_font0 = imageloadfont(dirname(dirname(__FILE__)) . "/fonts/FF_FONT0.gdf");
$this->ff_font1 = imageloadfont(dirname(dirname(__FILE__)) . "/fonts/FF_FONT1.gdf");
$this->ff_font2 = imageloadfont(dirname(dirname(__FILE__)) . "/fonts/FF_FONT2.gdf");
$this->ff_font1_bold = imageloadfont(dirname(dirname(__FILE__)) . "/fonts/FF_FONT1-Bold.gdf");
$this->ff_font2_bold = imageloadfont(dirname(dirname(__FILE__)) . "/fonts/FF_FONT2-Bold.gdf");
}
public function show()
{
Response::getInstance()->setContent('image/png');
$str = $this->randomString();
Session::getInstance()->Captcha = $str;
$image_x = 100;
$image_y = 40;
$im = imagecreatetruecolor($image_x, $image_y);
$bgcoolor = imagecolorallocate($im, rand(177, 255), rand(177, 255), rand(177, 255));
imagefill($im, 0, 0, $bgcoolor);
$cl = imagecolorallocate($im, rand(0, 100), rand(0, 100), rand(0, 100));
$f = imageloadfont('hadi.gdf');
imagestring($im, $f, 10, 10, $str, $cl);
$lineCount = rand(7, 12);
while ($lineCount--) {
$cl = imagecolorallocate($im, rand(0, 127), rand(0, 127), rand(0, 127));
imageline($im, rand(0, $image_x), rand(0, $image_y), rand(0, $image_x), rand(0, $image_y), $cl);
}
imagepng($im);
}
function createImage($width = 135, $height = 45)
{
// send header for our image
header("Content-type:image/jpeg");
// create an image
$im = imagecreate($width, $height);
// white background
$black = imagecolorallocate($im, 0, 0, 0);
// black text and grid
$white = imagecolorallocate($im, 255, 255, 255);
$other = imagecolorallocate($im, 0, 0, 255);
// get a random number to start drawing out grid from
$num = rand(0, 5);
// draw vertical bars
for ($i = $num; $i <= $width; $i += 10) {
imageline($im, $i, 0, $i, 45, $other);
}
// draw horizontal bars
for ($i = $num; $i <= $height + 10; $i += 10) {
imageline($im, 0, $i, 135, $i, $other);
}
// generate a random string
$string = substr(strtolower(md5(uniqid(rand(), 1))), 0, 7);
$string = str_replace('2', 'a', $string);
$string = str_replace('l', 'p', $string);
$string = str_replace('1', 'h', $string);
$string = str_replace('0', 'y', $string);
$string = str_replace('o', 'y', $string);
// place this string into the image
$font = imageloadfont('anticlimax.gdf');
imagestring($im, $font, 10, 10, $string, $white);
// create the image and send to browser
imagejpeg($im);
// destroy the image
imagedestroy($im);
// return the random text generated
return $this->text = $string;
}
function abatly_captcha()
{
$md5_hash = md5(rand(0, 999));
$security_code = str_replace('0', '', $md5_hash);
$security_code = substr($security_code, 15, 5);
$_SESSION["security_code"] = $security_code;
$width = 128;
$height = 40;
$image = ImageCreate($width, $height);
$white = ImageColorAllocate($image, 255, 255, 255);
$black = ImageColorAllocate($image, rand(0, 100), 0, rand(0, 50));
$grey = ImageColorAllocate($image, 204, 204, 204);
$red = imagecolorallocatealpha($image, 255, 0, 0, 75);
$green = imagecolorallocatealpha($image, 0, 255, 0, 75);
$blue = imagecolorallocatealpha($image, 0, 0, 255, 75);
imagefilledrectangle($image, 0, 0, $width, $height, $white);
imagefilledellipse($image, ceil(rand(5, 145)), ceil(rand(0, 35)), 30, 30, $red);
imagefilledellipse($image, ceil(rand(5, 145)), ceil(rand(0, 35)), 30, 30, $green);
imagefilledellipse($image, ceil(rand(5, 145)), ceil(rand(0, 35)), 30, 30, $blue);
imagefilledrectangle($image, 0, 0, $width, 0, $black);
imagefilledrectangle($image, $width - 1, 0, $width - 1, $height - 1, $black);
imagefilledrectangle($image, 0, 0, 0, $height - 1, $black);
imagefilledrectangle($image, 0, $height - 1, $width, $height - 1, $black);
ImageFill($image, 0, 0, $black);
$x = 20;
$y = 24;
$angle = rand(-7, -10);
if (function_exists('imagettftext')) {
imagettftext($image, 20, $angle, rand(20, $x), $y + rand(1, 3), $black, 'arial.ttf', $security_code);
} else {
imagestring($image, imageloadfont('arial.gdf'), $x + rand(10, 15), $y - rand(10, 15), $security_code, $white);
}
ImageRectangle($image, 0, 0, $width - 1, $height - 1, $black);
imageline($image, $width / 2, 0, $width / 2, $height, $black);
header("Content-Type: image/png");
ImagePng($image);
ImageDestroy($image);
}
function imgtxt_mk($t, $fx, $fy, $lac, $hac, $fnt, $clr, $dest)
{
$t = str_replace(" ", ' ', $t);
$nb_chars = strlen($t);
$width = 400;
//currentwidth();
if ($lac && $width) {
$maxl = floor($width / $lac);
} else {
$maxl = 400;
}
$la = $nb_chars * $lac;
$la = $la > $width - 8 ? $width - 8 : $la;
if ($nb_chars > $maxl or strpos($t, "\n") !== false) {
$r = gdf_nblines($t, $maxl);
}
//$r=imt_mk($t);
$ha = $r ? $hac * count($r) : ($hac ? $hac : 20);
$clr = $clr ? $clr : '000000';
$rh = hexdec(substr($clr, 0, 2));
$gh = hexdec(substr($clr, 2, 2));
$bh = hexdec(substr($clr, 4, 2));
$image = imagecreate($la, $ha);
$blanc = imagecolorallocate($image, 255, 255, 255);
$color = imagecolorallocate($image, $rh, $gh, $bh);
$font = imageloadfont($fnt);
if ($r) {
foreach ($r as $k => $v) {
$fx = $k * lac;
$fy = $k * $hac;
imagestring($image, $font, 1, $fy, $v, $color);
}
} else {
imagestring($image, $font, $fx ? $fx : 0, $fy ? $fy : 0, $t, $color);
}
imagecolortransparent($image, $blanc);
imagepng($image, $dest);
}
function generateValidationImage($rand)
{
global $site_font_path;
global $site_font_validation;
$width = 120;
$height = 40;
$image = imagecreate($width, $height);
$bgColor = imagecolorallocate($image, 255, 255, 255);
$textColor = imagecolorallocate($image, 0, 0, 0);
// Add Random noise
for ($i = 0; $i < 250; $i++) {
$rx1 = rand(0, $width);
$rx2 = rand(0, $width);
$ry1 = rand(0, $height);
$ry2 = rand(0, $height);
$rcVal = rand(0, 255);
$rc1 = imagecolorallocate($image, rand(0, 255), rand(0, 255), rand(100, 255));
imageline($image, $rx1, $ry1, $rx2, $ry2, $rc1);
}
// write the random number
$font = imageloadfont($site_font_path . "/" . $site_font_validation);
imagestring($image, $font, 3, 0, $rand, $textColor);
// send several headers to make sure the image is not cached
// Date in the past
header("Expires: Mon, 23 Jul 1993 05:00:00 GMT");
// always modified
header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
// HTTP/1.1
header("Cache-Control: no-store, no-cache, must-revalidate");
header("Cache-Control: post-check=0, pre-check=0", false);
// HTTP/1.0
header("Pragma: no-cache");
// send the content type header so the image is displayed properly
header('Content-type: image/jpeg');
imagejpeg($image);
imagedestroy($image);
}
/**
* Actually uploads the file, and act on it according to the set processing class variables
*
* This function copies the uploaded file to the given location, eventually performing actions on it.
* Typically, you can call {@link process} several times for the same file,
* for instance to create a resized image and a thumbnail of the same file.
* The original uploaded file remains intact in its temporary location, so you can use {@link process} several times.
* You will be able to delete the uploaded file with {@link clean} when you have finished all your {@link process} calls.
*
* According to the processing class variables set in the calling file, the file can be renamed,
* and if it is an image, can be resized or converted.
*
* When the processing is completed, and the file copied to its new location, the
* processing class variables will be reset to their default value.
* This allows you to set new properties, and perform another {@link process} on the same uploaded file
*
* It will set {@link processed} (and {@link error} is an error occurred)
*
* @access public
* @param string $server_path Path location of the uploaded file, with an ending slash
*/
function process($server_path)
{
$this->error = '';
$this->processed = true;
if (strtolower(substr(PHP_OS, 0, 3)) === 'win') {
if (substr($server_path, -1, 1) != '\\') {
$server_path = $server_path . '\\';
}
} else {
if (substr($server_path, -1, 1) != '/') {
$server_path = $server_path . '/';
}
}
$this->log .= '<b>' . _("process file to") . ' ' . $server_path . '</b><br />';
// checks file size and mine type
if ($this->uploaded) {
if ($this->file_src_size > $this->file_max_size) {
$this->processed = false;
$this->error = _(MSG019);
} else {
$this->log .= '- ' . _("file size OK") . '<br />';
}
// turn dangerous scripts into text files
if ($this->no_script) {
if ((substr($this->file_src_mime, 0, 5) == 'text/' || strpos($this->file_src_mime, 'javascript') !== false) && substr($this->file_src_name, -4) != '.txt' || preg_match('/\\.(php|pl|py|cgi|asp)$/i', $this->file_src_name) || empty($this->file_src_name_ext)) {
$this->file_src_mime = 'text/plain';
$this->log .= '- ' . _("script") . ' ' . $this->file_src_name . ' ' . _("renamed as") . ' ' . $this->file_src_name . '.txt!<br />';
$this->file_src_name_ext .= empty($this->file_src_name_ext) ? 'txt' : '.txt';
}
}
// checks MIME type with mime_magic
if ($this->mime_magic_check && function_exists('mime_content_type')) {
$detected_mime = mime_content_type($this->file_src_pathname);
if ($this->file_src_mime != $detected_mime) {
$this->log .= '- ' . _("MIME type detected as") . ' ' . $detected_mime . ' ' . _("but given as") . ' ' . $this->file_src_mime . '!<br />';
$this->file_src_mime = $detected_mime;
}
}
if ($this->mime_check && empty($this->file_src_mime)) {
$this->processed = false;
$this->error = _("MIME type can't be detected!");
} else {
if ($this->mime_check && !empty($this->file_src_mime) && !array_key_exists($this->file_src_mime, array_flip($this->allowed))) {
$this->processed = false;
$this->error = _("Incorrect type of file");
} else {
$this->log .= '- ' . _("file mime OK") . ' : ' . $this->file_src_mime . '<br />';
}
}
} else {
$this->error = _("File not uploaded. Can't carry on a process");
$this->processed = false;
}
if ($this->processed) {
$this->file_dst_path = $server_path;
// repopulate dst variables from src
$this->file_dst_name = $this->file_src_name;
$this->file_dst_name_body = $this->file_src_name_body;
$this->file_dst_name_ext = $this->file_src_name_ext;
if ($this->file_new_name_body != '') {
// rename file body
$this->file_dst_name_body = $this->file_new_name_body;
$this->log .= '- ' . _("new file name body") . ' : ' . $this->file_new_name_body . '<br />';
}
if ($this->file_new_name_ext != '') {
// rename file ext
$this->file_dst_name_ext = $this->file_new_name_ext;
$this->log .= '- ' . _("new file name ext") . ' : ' . $this->file_new_name_ext . '<br />';
}
if ($this->file_name_body_add != '') {
// append a bit to the name
$this->file_dst_name_body = $this->file_dst_name_body . $this->file_name_body_add;
$this->log .= '- ' . _("file name body add") . ' : ' . $this->file_name_body_add . '<br />';
}
if ($this->file_safe_name) {
// formats the name
$this->file_dst_name_body = str_replace(array(' ', '-'), array('_', '_'), $this->file_dst_name_body);
$this->file_dst_name_body = ereg_replace('[^A-Za-z0-9_]', '', $this->file_dst_name_body);
$this->log .= '- ' . _("file name safe format") . '<br />';
}
$this->log .= '- ' . _("destination variables") . '<br />';
$this->log .= ' file_dst_path : ' . $this->file_dst_path . '<br />';
$this->log .= ' file_dst_name_body : ' . $this->file_dst_name_body . '<br />';
$this->log .= ' file_dst_name_ext : ' . $this->file_dst_name_ext . '<br />';
// do we do some image manipulation?
$image_manipulation = $this->image_resize || $this->image_convert != '' || is_numeric($this->image_brightness) || is_numeric($this->image_contrast) || is_numeric($this->image_threshold) || !empty($this->image_tint_color) || !empty($this->image_overlay_color) || !empty($this->image_text) || $this->image_greyscale || $this->image_negative || !empty($this->image_watermark) || is_numeric($this->image_rotate) || is_numeric($this->jpeg_size) || !empty($this->image_flip) || !empty($this->image_crop) || !empty($this->image_border) || $this->image_frame > 0 || $this->image_bevel > 0 || $this->image_reflection_height;
if ($image_manipulation) {
if ($this->image_convert == '') {
$this->file_dst_name = $this->file_dst_name_body . (!empty($this->file_dst_name_ext) ? '.' . $this->file_dst_name_ext : '');
$this->log .= '- ' . _("image operation, keep extension") . '<br />';
} else {
$this->file_dst_name = $this->file_dst_name_body . '.' . $this->image_convert;
$this->log .= '- ' . _("image operation, change extension for conversion type") . '<br />';
}
} else {
$this->file_dst_name = $this->file_dst_name_body . (!empty($this->file_dst_name_ext) ? '.' . $this->file_dst_name_ext : '');
$this->log .= '- ' . _("no image operation, keep extension") . '<br />';
}
if (!$this->file_auto_rename) {
$this->log .= '- ' . _("no auto_rename if same filename exists") . '<br />';
$this->file_dst_pathname = $this->file_dst_path . $this->file_dst_name;
} else {
$this->log .= '- ' . _("checking for auto_rename") . '<br />';
$this->file_dst_pathname = $this->file_dst_path . $this->file_dst_name;
$body = $this->file_dst_name_body;
$cpt = 1;
while (@file_exists($this->file_dst_pathname)) {
$this->file_dst_name_body = $body . '_' . $cpt;
$this->file_dst_name = $this->file_dst_name_body . (!empty($this->file_dst_name_ext) ? '.' . $this->file_dst_name_ext : '');
$cpt++;
$this->file_dst_pathname = $this->file_dst_path . $this->file_dst_name;
}
if ($cpt > 1) {
$this->log .= ' ' . _("auto_rename to") . ' ' . $this->file_dst_name . '<br />';
}
}
$this->log .= '- ' . _("destination file details") . '<br />';
$this->log .= ' file_dst_name : ' . $this->file_dst_name . '<br />';
$this->log .= ' file_dst_pathname : ' . $this->file_dst_pathname . '<br />';
if ($this->file_overwrite) {
$this->log .= '- ' . _("no overwrite checking") . '<br />';
} else {
if (@file_exists($this->file_dst_pathname)) {
$this->processed = false;
$this->error = $this->file_dst_name . ' ' . _("already exists. Please change the file name");
} else {
$this->log .= '- ' . $this->file_dst_name . ' ' . _("doesn't exist already") . '<br />';
}
}
} else {
$this->processed = false;
}
if (!$this->no_upload_check && !is_uploaded_file($this->file_src_pathname)) {
$this->processed = false;
$this->error = _("No correct source file. Can't carry on a process");
}
// checks if the destination directory exists, and attempt to create it
if ($this->processed && !file_exists($this->file_dst_path)) {
if ($this->dir_auto_create) {
$this->log .= '- ' . $this->file_dst_path . ' ' . _("doesn't exist. Attempting creation:");
if (!$this->r_mkdir($this->file_dst_path, $this->dir_chmod)) {
$this->log .= ' ' . _("failed") . '<br />';
$this->processed = false;
$this->error = _("Destination directory can't be created. Can't carry on a process");
} else {
$this->log .= ' ' . _("success") . '<br />';
}
} else {
$this->error = _("Destination directory doesn't exist. Can't carry on a process");
}
}
if ($this->processed && !is_dir($this->file_dst_path)) {
$this->processed = false;
$this->error = _("Destination path is not a directory. Can't carry on a process");
}
// checks if the destination directory is writeable, and attempt to make it writeable
$hash = md5($this->file_dst_name_body . rand(1, 1000));
if ($this->processed && !($f = @fopen($this->file_dst_path . $hash . '.' . $this->file_dst_name_ext, 'a+'))) {
if ($this->dir_auto_chmod) {
$this->log .= '- ' . $this->file_dst_path . ' ' . _("is not writeable. Attempting chmod:");
if (!@chmod($this->file_dst_path, $this->dir_chmod)) {
$this->log .= ' ' . _("failed") . '<br />';
$this->processed = false;
$this->error = _("Destination directory can't be made writeable. Can't carry on a process");
} else {
$this->log .= ' ' . _("success") . '<br />';
if (!($f = @fopen($this->file_dst_path . $hash . '.' . $this->file_dst_name_ext, 'a+'))) {
// we re-check
$this->processed = false;
$this->error = _("Destination directory is still not writeable. Can't carry on a process");
} else {
@fclose($f);
}
}
} else {
$this->processed = false;
$this->error = _("Destination path is not a writeable. Can't carry on a process");
}
} else {
@fclose($f);
@unlink($this->file_dst_path . $hash . '.' . $this->file_dst_name_ext);
}
if ($this->processed) {
if ($image_manipulation) {
// we have a writeable destination, but we need to check if we can read the file directly
// if we can't (open_basedir, etc...), we will copy it with a temporary name
$has_temp_file = false;
if ($this->processed && !file_exists($this->file_src_pathname)) {
$this->log .= '- ' . _("can't directly access the uploaded file" . '<br />');
$this->log .= ' ' . _("attempting creating a temp file:");
$hash = md5($this->file_dst_name_body . rand(1, 1000));
if (move_uploaded_file($this->file_src_pathname, $this->file_dst_path . $hash . '.' . $this->file_dst_name_ext)) {
$this->file_src_pathname = $this->file_dst_path . $hash . '.' . $this->file_dst_name_ext;
$this->log .= ' ' . _("file created") . '<br />';
$this->log .= ' ' . _("temp file is:") . ' ' . $this->file_src_pathname . '<br />';
$has_temp_file = true;
} else {
$this->log .= ' ' . _("failed") . '<br />';
$this->processed = false;
$this->error = _("Can't create the temporary file. Can't carry on a process");
}
}
// checks if the source file is readable
if ($this->processed && !($f = @fopen($this->file_src_pathname, 'r'))) {
$this->processed = false;
$this->error = _("Source file is not readable. Can't carry on a process");
} else {
@fclose($f);
}
// we now do all the image manipulations
$this->log .= '- ' . _("image resizing or conversion wanted") . '<br />';
if ($this->gd_version()) {
switch ($this->file_src_mime) {
case 'image/pjpeg':
case 'image/jpeg':
case 'image/jpg':
if (!function_exists('imagecreatefromjpeg')) {
$this->processed = false;
$this->error = _("No create from JPEG support");
} else {
$image_src = @imagecreatefromjpeg($this->file_src_pathname);
if (!$image_src) {
$this->processed = false;
$this->error = _("Error in creating JPEG image from source");
} else {
$this->log .= '- ' . _("source image is JPEG") . '<br />';
}
}
break;
case 'image/x-png':
case 'image/png':
if (!function_exists('imagecreatefrompng')) {
$this->processed = false;
$this->error = _("No create from PNG support");
} else {
$image_src = @imagecreatefrompng($this->file_src_pathname);
if (!$image_src) {
$this->processed = false;
$this->error = _("Error in creating PNG image from source");
} else {
$this->log .= '- ' . _("source image is PNG") . '<br />';
}
}
break;
case 'image/gif':
if (!function_exists('imagecreatefromgif')) {
$this->processed = false;
$this->error = _("Error in creating GIF image from source");
} else {
$image_src = @imagecreatefromgif($this->file_src_pathname);
if (!$image_src) {
$this->processed = false;
$this->error = _("No GIF read support");
} else {
$this->log .= '- ' . _("source image is GIF") . '<br />';
}
}
break;
default:
$this->processed = false;
$this->error = _(MSG012);
}
} else {
$this->processed = false;
$this->error = _("GD doesn't seem to be present");
}
if ($this->processed && $image_src) {
$this->image_src_x = imagesx($image_src);
$this->image_src_y = imagesy($image_src);
$this->image_dst_x = $this->image_src_x;
$this->image_dst_y = $this->image_src_y;
$gd_version = $this->gd_version();
$ratio_crop = null;
if ($this->image_resize) {
$this->log .= '- ' . _("resizing...") . '<br />';
if ($this->image_ratio_x) {
$this->log .= ' ' . _("calculate x size") . '<br />';
$this->image_dst_x = round($this->image_src_x * $this->image_y / $this->image_src_y);
$this->image_dst_y = $this->image_y;
} else {
if ($this->image_ratio_y) {
$this->log .= ' ' . _("calculate y size") . '<br />';
$this->image_dst_x = $this->image_x;
$this->image_dst_y = round($this->image_src_y * $this->image_x / $this->image_src_x);
} else {
if ($this->image_ratio || $this->image_ratio_crop || $this->image_ratio_no_zoom_in || $this->image_ratio_no_zoom_out) {
$this->log .= ' ' . _("check x/y sizes") . '<br />';
if (!$this->image_ratio_no_zoom_in && !$this->image_ratio_no_zoom_out || $this->image_ratio_no_zoom_in && ($this->image_src_x > $this->image_x || $this->image_src_y > $this->image_y) || $this->image_ratio_no_zoom_out && $this->image_src_x < $this->image_x && $this->image_src_y < $this->image_y) {
$this->image_dst_x = $this->image_x;
$this->image_dst_y = $this->image_y;
if ($this->image_ratio_crop) {
if (!is_string($this->image_ratio_crop)) {
$this->image_ratio_crop = '';
}
$this->image_ratio_crop = strtolower($this->image_ratio_crop);
if ($this->image_src_x / $this->image_x > $this->image_src_y / $this->image_y) {
$this->image_dst_y = $this->image_y;
$this->image_dst_x = intval($this->image_src_x * ($this->image_y / $this->image_src_y));
$ratio_crop = array();
$ratio_crop['x'] = $this->image_dst_x - $this->image_x;
if (strpos($this->image_ratio_crop, 'l') !== false) {
$ratio_crop['l'] = 0;
$ratio_crop['r'] = $ratio_crop['x'];
} else {
if (strpos($this->image_ratio_crop, 'r') !== false) {
$ratio_crop['l'] = $ratio_crop['x'];
$ratio_crop['r'] = 0;
} else {
$ratio_crop['l'] = round($ratio_crop['x'] / 2);
$ratio_crop['r'] = $ratio_crop['x'] - $ratio_crop['l'];
}
}
$this->log .= ' ' . _("ratio_crop_x") . ' : ' . $ratio_crop['x'] . ' (' . $ratio_crop['l'] . ';' . $ratio_crop['r'] . ')<br />';
if (is_null($this->image_crop)) {
$this->image_crop = array(0, 0, 0, 0);
}
} else {
$this->image_dst_x = $this->image_x;
$this->image_dst_y = intval($this->image_src_y * ($this->image_x / $this->image_src_x));
$ratio_crop = array();
$ratio_crop['y'] = $this->image_dst_y - $this->image_y;
if (strpos($this->image_ratio_crop, 't') !== false) {
$ratio_crop['t'] = 0;
$ratio_crop['b'] = $ratio_crop['y'];
} else {
if (strpos($this->image_ratio_crop, 'b') !== false) {
$ratio_crop['t'] = $ratio_crop['y'];
$ratio_crop['b'] = 0;
} else {
$ratio_crop['t'] = round($ratio_crop['y'] / 2);
$ratio_crop['b'] = $ratio_crop['y'] - $ratio_crop['t'];
}
}
$this->log .= ' ' . _("ratio_crop_y") . ' : ' . $ratio_crop['y'] . ' (' . $ratio_crop['t'] . ';' . $ratio_crop['b'] . ')<br />';
if (is_null($this->image_crop)) {
$this->image_crop = array(0, 0, 0, 0);
}
}
} else {
if ($this->image_src_x / $this->image_x > $this->image_src_y / $this->image_y) {
$this->image_dst_x = $this->image_x;
$this->image_dst_y = intval($this->image_src_y * ($this->image_x / $this->image_src_x));
} else {
$this->image_dst_y = $this->image_y;
$this->image_dst_x = intval($this->image_src_x * ($this->image_y / $this->image_src_y));
}
}
} else {
$this->log .= ' ' . _("doesn't calculate x/y sizes") . '<br />';
$this->image_dst_x = $this->image_src_x;
$this->image_dst_y = $this->image_src_y;
}
} else {
$this->log .= ' ' . _("use plain sizes") . '<br />';
$this->image_dst_x = $this->image_x;
$this->image_dst_y = $this->image_y;
}
}
}
if ($this->preserve_transparency && $this->file_src_mime != 'image/gif' && $this->file_src_mime != 'image/png') {
$this->preserve_transparency = false;
}
if ($gd_version >= 2 && !$this->preserve_transparency) {
$image_dst = imagecreatetruecolor($this->image_dst_x, $this->image_dst_y);
} else {
$image_dst = imagecreate($this->image_dst_x, $this->image_dst_y);
}
if ($this->preserve_transparency) {
$this->log .= '- ' . _("preserve transparency") . '<br />';
$transparent_color = imagecolortransparent($image_src);
imagepalettecopy($image_dst, $image_src);
imagefill($image_dst, 0, 0, $transparent_color);
imagecolortransparent($image_dst, $transparent_color);
}
if ($gd_version >= 2 && !$this->preserve_transparency) {
$res = imagecopyresampled($image_dst, $image_src, 0, 0, 0, 0, $this->image_dst_x, $this->image_dst_y, $this->image_src_x, $this->image_src_y);
} else {
$res = imagecopyresized($image_dst, $image_src, 0, 0, 0, 0, $this->image_dst_x, $this->image_dst_y, $this->image_src_x, $this->image_src_y);
}
$this->log .= ' ' . _("resized image object created") . '<br />';
$this->log .= ' image_src_x y : ' . $this->image_src_x . ' x ' . $this->image_src_y . '<br />';
$this->log .= ' image_dst_x y : ' . $this->image_dst_x . ' x ' . $this->image_dst_y . '<br />';
} else {
// we only convert, so we link the dst image to the src image
$image_dst =& $image_src;
}
// we have to set image_convert if it is not already
if (empty($this->image_convert)) {
$this->log .= ' ' . _("setting destination file type to") . ' ' . $this->file_src_name_ext . '<br />';
$this->image_convert = $this->file_src_name_ext;
}
// crop imag (and also crops if image_ratio_crop is used)
if ($gd_version >= 2 && (!empty($this->image_crop) || !is_null($ratio_crop))) {
if (is_array($this->image_crop)) {
$vars = $this->image_crop;
} else {
$vars = explode(' ', $this->image_crop);
}
if (sizeof($vars) == 4) {
$ct = $vars[0];
$cr = $vars[1];
$cb = $vars[2];
$cl = $vars[3];
} else {
if (sizeof($vars) == 2) {
$ct = $vars[0];
$cr = $vars[1];
$cb = $vars[0];
$cl = $vars[1];
} else {
$ct = $vars[0];
$cr = $vars[0];
$cb = $vars[0];
$cl = $vars[0];
}
}
if (strpos($ct, '%') > 0) {
$ct = $this->image_dst_y * (str_replace('%', '', $ct) / 100);
}
if (strpos($cr, '%') > 0) {
$cr = $this->image_dst_x * (str_replace('%', '', $cr) / 100);
}
if (strpos($cb, '%') > 0) {
$cb = $this->image_dst_y * (str_replace('%', '', $cb) / 100);
}
if (strpos($cl, '%') > 0) {
$cl = $this->image_dst_x * (str_replace('%', '', $cl) / 100);
}
if (strpos($ct, 'px') > 0) {
$ct = str_replace('px', '', $ct);
}
if (strpos($cr, 'px') > 0) {
$cr = str_replace('px', '', $cr);
}
if (strpos($cb, 'px') > 0) {
$cb = str_replace('px', '', $cb);
}
if (strpos($cl, 'px') > 0) {
$cl = str_replace('px', '', $cl);
}
$ct = (int) $ct;
$cr = (int) $cr;
$cb = (int) $cb;
$cl = (int) $cl;
// we adjust the cropping if we use image_ratio_crop
if (!is_null($ratio_crop)) {
if (array_key_exists('t', $ratio_crop)) {
$ct += $ratio_crop['t'];
}
if (array_key_exists('r', $ratio_crop)) {
$cr += $ratio_crop['r'];
}
if (array_key_exists('b', $ratio_crop)) {
$cb += $ratio_crop['b'];
}
if (array_key_exists('l', $ratio_crop)) {
$cl += $ratio_crop['l'];
}
}
$this->log .= '- ' . _("crop image") . ' : ' . $ct . ' ' . $cr . ' ' . $cb . ' ' . $cl . ' <br />';
$this->image_dst_x = $this->image_dst_x - $cl - $cr;
$this->image_dst_y = $this->image_dst_y - $ct - $cb;
if ($this->image_dst_x < 1) {
$this->image_dst_x = 1;
}
if ($this->image_dst_y < 1) {
$this->image_dst_y = 1;
}
$tmp = imagecreatetruecolor($this->image_dst_x, $this->image_dst_y);
imagecopy($tmp, $image_dst, 0, 0, $cl, $ct, $this->image_dst_x, $this->image_dst_y);
// we transfert tmp into image_dst
imagedestroy($image_dst);
$image_dst = imagecreatetruecolor($this->image_dst_x, $this->image_dst_y);
imagecopy($image_dst, $tmp, 0, 0, 0, 0, $this->image_dst_x, $this->image_dst_y);
imagedestroy($tmp);
}
// flip image
if ($gd_version >= 2 && !empty($this->image_flip)) {
$this->image_flip = strtolower($this->image_flip);
$this->log .= '- ' . _("flip image") . ' : ' . $this->image_flip . '<br />';
$tmp = imagecreatetruecolor($this->image_dst_x, $this->image_dst_y);
for ($x = 0; $x < $this->image_dst_x; $x++) {
for ($y = 0; $y < $this->image_dst_y; $y++) {
if (strpos($this->image_flip, 'v') !== false) {
imagecopy($tmp, $image_dst, $this->image_dst_x - $x - 1, $y, $x, $y, 1, 1);
} else {
imagecopy($tmp, $image_dst, $x, $this->image_dst_y - $y - 1, $x, $y, 1, 1);
}
}
}
// we transfert tmp into image_dst
imagedestroy($image_dst);
$image_dst = imagecreatetruecolor($this->image_dst_x, $this->image_dst_y);
imagecopy($image_dst, $tmp, 0, 0, 0, 0, $this->image_dst_x, $this->image_dst_y);
imagedestroy($tmp);
}
// rotate image
if ($gd_version >= 2 && is_numeric($this->image_rotate)) {
if (!in_array($this->image_rotate, array(0, 90, 180, 270))) {
$this->image_rotate = 0;
}
if ($this->image_rotate != 0) {
if ($this->image_rotate == 90 || $this->image_rotate == 270) {
$tmp = imagecreatetruecolor($this->image_dst_y, $this->image_dst_x);
} else {
$tmp = imagecreatetruecolor($this->image_dst_x, $this->image_dst_y);
}
$this->log .= '- ' . _("rotate image") . ' : ' . $this->image_rotate . '<br />';
for ($x = 0; $x < $this->image_dst_x; $x++) {
for ($y = 0; $y < $this->image_dst_y; $y++) {
if ($this->image_rotate == 90) {
imagecopy($tmp, $image_dst, $y, $x, $x, $this->image_dst_y - $y - 1, 1, 1);
} else {
if ($this->image_rotate == 180) {
imagecopy($tmp, $image_dst, $x, $y, $this->image_dst_x - $x - 1, $this->image_dst_y - $y - 1, 1, 1);
} else {
if ($this->image_rotate == 270) {
imagecopy($tmp, $image_dst, $y, $x, $this->image_dst_x - $x - 1, $y, 1, 1);
} else {
imagecopy($tmp, $image_dst, $x, $y, $x, $y, 1, 1);
}
}
}
}
}
if ($this->image_rotate == 90 || $this->image_rotate == 270) {
$t = $this->image_dst_y;
$this->image_dst_y = $this->image_dst_x;
$this->image_dst_x = $t;
}
// we transfert tmp into image_dst
imagedestroy($image_dst);
$image_dst = imagecreatetruecolor($this->image_dst_x, $this->image_dst_y);
imagecopy($image_dst, $tmp, 0, 0, 0, 0, $this->image_dst_x, $this->image_dst_y);
imagedestroy($tmp);
}
}
// add color overlay
if ($gd_version >= 2 && (is_numeric($this->image_overlay_percent) && !empty($this->image_overlay_color))) {
$this->log .= '- ' . _("apply color overlay") . '<br />';
sscanf($this->image_overlay_color, "#%2x%2x%2x", $red, $green, $blue);
$filter = imagecreatetruecolor($this->image_dst_x, $this->image_dst_y);
$color = imagecolorallocate($filter, $red, $green, $blue);
imagefilledrectangle($filter, 0, 0, $this->image_dst_x, $this->image_dst_y, $color);
imagecopymerge($image_dst, $filter, 0, 0, 0, 0, $this->image_dst_x, $this->image_dst_y, $this->image_overlay_percent);
imagedestroy($filter);
}
// add brightness, contrast and tint, turns to greyscale and inverts colors
if ($gd_version >= 2 && ($this->image_negative || $this->image_greyscale || is_numeric($this->image_threshold) || is_numeric($this->image_brightness) || is_numeric($this->image_contrast) || !empty($this->image_tint_color))) {
$this->log .= '- ' . _("apply tint, light, contrast correction, negative, greyscale and threshold") . '<br />';
if (!empty($this->image_tint_color)) {
sscanf($this->image_tint_color, "#%2x%2x%2x", $red, $green, $blue);
}
$background = imagecolorallocatealpha($image_dst, 255, 255, 255, 0);
imagefill($image_dst, 0, 0, $background);
imagealphablending($image_dst, TRUE);
for ($y = 0; $y < $this->image_dst_y; $y++) {
for ($x = 0; $x < $this->image_dst_x; $x++) {
if ($this->image_greyscale) {
$rgb = imagecolorat($image_dst, $x, $y);
$pixel = imagecolorsforindex($image_dst, $rgb);
$r = $g = $b = round(0.2125 * $pixel['red'] + 0.7154 * $pixel['green'] + 0.0721 * $pixel['blue']);
$a = $pixel['alpha'];
$pixelcolor = imagecolorallocatealpha($image_dst, $r, $g, $b, $a);
imagesetpixel($image_dst, $x, $y, $pixelcolor);
}
if (is_numeric($this->image_threshold)) {
$rgb = imagecolorat($image_dst, $x, $y);
$pixel = imagecolorsforindex($image_dst, $rgb);
$c = round($pixel['red'] + $pixel['green'] + $pixel['blue']) / 3 - 127;
$r = $g = $b = $c > $this->image_threshold ? 255 : 0;
$a = $pixel['alpha'];
$pixelcolor = imagecolorallocatealpha($image_dst, $r, $g, $b, $a);
imagesetpixel($image_dst, $x, $y, $pixelcolor);
}
if (is_numeric($this->image_brightness)) {
$rgb = imagecolorat($image_dst, $x, $y);
$pixel = imagecolorsforindex($image_dst, $rgb);
$r = max(min(round($pixel['red'] + $this->image_brightness * 2), 255), 0);
$g = max(min(round($pixel['green'] + $this->image_brightness * 2), 255), 0);
$b = max(min(round($pixel['blue'] + $this->image_brightness * 2), 255), 0);
$a = $pixel['alpha'];
$pixelcolor = imagecolorallocatealpha($image_dst, $r, $g, $b, $a);
imagesetpixel($image_dst, $x, $y, $pixelcolor);
}
if (is_numeric($this->image_contrast)) {
$rgb = imagecolorat($image_dst, $x, $y);
$pixel = imagecolorsforindex($image_dst, $rgb);
$r = max(min(round(($this->image_contrast + 128) * $pixel['red'] / 128), 255), 0);
$g = max(min(round(($this->image_contrast + 128) * $pixel['green'] / 128), 255), 0);
$b = max(min(round(($this->image_contrast + 128) * $pixel['blue'] / 128), 255), 0);
$a = $pixel['alpha'];
$pixelcolor = imagecolorallocatealpha($image_dst, $r, $g, $b, $a);
imagesetpixel($image_dst, $x, $y, $pixelcolor);
}
if (!empty($this->image_tint_color)) {
$rgb = imagecolorat($image_dst, $x, $y);
$pixel = imagecolorsforindex($image_dst, $rgb);
$r = min(round($red * $pixel['red'] / 169), 255);
$g = min(round($green * $pixel['green'] / 169), 255);
$b = min(round($blue * $pixel['blue'] / 169), 255);
$a = $pixel['alpha'];
$pixelcolor = imagecolorallocatealpha($image_dst, $r, $g, $b, $a);
imagesetpixel($image_dst, $x, $y, $pixelcolor);
}
if (!empty($this->image_negative)) {
$rgb = imagecolorat($image_dst, $x, $y);
$pixel = imagecolorsforindex($image_dst, $rgb);
$r = round(255 - $pixel['red']);
$g = round(255 - $pixel['green']);
$b = round(255 - $pixel['blue']);
$a = $pixel['alpha'];
$pixelcolor = imagecolorallocatealpha($image_dst, $r, $g, $b, $a);
imagesetpixel($image_dst, $x, $y, $pixelcolor);
}
}
}
}
// adds a border
if ($gd_version >= 2 && !empty($this->image_border)) {
if (is_array($this->image_border)) {
$vars = $this->image_border;
$this->log .= '- ' . _("add border") . ' : ' . implode(' ', $this->image_border) . '<br />';
} else {
$this->log .= '- ' . _("add border") . ' : ' . $this->image_border . '<br />';
$vars = explode(' ', $this->image_border);
}
if (sizeof($vars) == 4) {
$ct = $vars[0];
$cr = $vars[1];
$cb = $vars[2];
$cl = $vars[3];
} else {
if (sizeof($vars) == 2) {
$ct = $vars[0];
$cr = $vars[1];
$cb = $vars[0];
$cl = $vars[1];
} else {
$ct = $vars[0];
$cr = $vars[0];
$cb = $vars[0];
$cl = $vars[0];
}
}
if (strpos($ct, '%') > 0) {
$ct = $this->image_dst_y * (str_replace('%', '', $ct) / 100);
}
if (strpos($cr, '%') > 0) {
$cr = $this->image_dst_x * (str_replace('%', '', $cr) / 100);
}
if (strpos($cb, '%') > 0) {
$cb = $this->image_dst_y * (str_replace('%', '', $cb) / 100);
}
if (strpos($cl, '%') > 0) {
$cl = $this->image_dst_x * (str_replace('%', '', $cl) / 100);
}
if (strpos($ct, 'px') > 0) {
$ct = str_replace('px', '', $ct);
}
if (strpos($cr, 'px') > 0) {
$cr = str_replace('px', '', $cr);
}
if (strpos($cb, 'px') > 0) {
$cb = str_replace('px', '', $cb);
}
if (strpos($cl, 'px') > 0) {
$cl = str_replace('px', '', $cl);
}
$ct = (int) $ct;
$cr = (int) $cr;
$cb = (int) $cb;
$cl = (int) $cl;
$this->image_dst_x = $this->image_dst_x + $cl + $cr;
$this->image_dst_y = $this->image_dst_y + $ct + $cb;
if (!empty($this->image_border_color)) {
sscanf($this->image_border_color, "#%2x%2x%2x", $red, $green, $blue);
}
$tmp = imagecreatetruecolor($this->image_dst_x, $this->image_dst_y);
$background = imagecolorallocatealpha($tmp, $red, $green, $blue, 0);
imagefill($tmp, 0, 0, $background);
imagecopy($tmp, $image_dst, $cl, $ct, 0, 0, $this->image_dst_x - $cr - $cl, $this->image_dst_y - $cb - $ct);
// we transfert tmp into image_dst
imagedestroy($image_dst);
$image_dst = imagecreatetruecolor($this->image_dst_x, $this->image_dst_y);
imagecopy($image_dst, $tmp, 0, 0, 0, 0, $this->image_dst_x, $this->image_dst_y);
imagedestroy($tmp);
}
// add frame border
if (is_numeric($this->image_frame)) {
if (is_array($this->image_frame_colors)) {
$vars = $this->image_frame_colors;
$this->log .= '- ' . _("add frame") . ' : ' . implode(' ', $this->image_frame_colors) . '<br />';
} else {
$this->log .= '- ' . _("add frame") . ' : ' . $this->image_frame_colors . '<br />';
$vars = explode(' ', $this->image_frame_colors);
}
$nb = sizeof($vars);
$this->image_dst_x = $this->image_dst_x + $nb * 2;
$this->image_dst_y = $this->image_dst_y + $nb * 2;
$tmp = imagecreatetruecolor($this->image_dst_x, $this->image_dst_y);
imagecopy($tmp, $image_dst, $nb, $nb, 0, 0, $this->image_dst_x - $nb * 2, $this->image_dst_y - $nb * 2);
for ($i = 0; $i < $nb; $i++) {
sscanf($vars[$i], "#%2x%2x%2x", $red, $green, $blue);
$c = imagecolorallocate($tmp, $red, $green, $blue);
if ($this->image_frame == 1) {
imageline($tmp, $i, $i, $this->image_dst_x - $i - 1, $i, $c);
imageline($tmp, $this->image_dst_x - $i - 1, $this->image_dst_y - $i - 1, $this->image_dst_x - $i - 1, $i, $c);
imageline($tmp, $this->image_dst_x - $i - 1, $this->image_dst_y - $i - 1, $i, $this->image_dst_y - $i - 1, $c);
imageline($tmp, $i, $i, $i, $this->image_dst_y - $i - 1, $c);
} else {
imageline($tmp, $i, $i, $this->image_dst_x - $i - 1, $i, $c);
imageline($tmp, $this->image_dst_x - $nb + $i, $this->image_dst_y - $nb + $i, $this->image_dst_x - $nb + $i, $nb - $i, $c);
imageline($tmp, $this->image_dst_x - $nb + $i, $this->image_dst_y - $nb + $i, $nb - $i, $this->image_dst_y - $nb + $i, $c);
imageline($tmp, $i, $i, $i, $this->image_dst_y - $i - 1, $c);
}
}
// we transfert tmp into image_dst
imagedestroy($image_dst);
$image_dst = imagecreatetruecolor($this->image_dst_x, $this->image_dst_y);
imagecopy($image_dst, $tmp, 0, 0, 0, 0, $this->image_dst_x, $this->image_dst_y);
imagedestroy($tmp);
}
// add bevel border
if ($this->image_bevel > 0) {
if (empty($this->image_bevel_color1)) {
$this->image_bevel_color1 = '#FFFFFF';
}
if (empty($this->image_bevel_color2)) {
$this->image_bevel_color2 = '#000000';
}
sscanf($this->image_bevel_color1, "#%2x%2x%2x", $red1, $green1, $blue1);
sscanf($this->image_bevel_color2, "#%2x%2x%2x", $red2, $green2, $blue2);
imagealphablending($image_dst, true);
for ($i = 0; $i < $this->image_bevel; $i++) {
$alpha = round($i / $this->image_bevel * 127);
$c1 = imagecolorallocatealpha($image_dst, $red1, $green1, $blue1, $alpha);
$c2 = imagecolorallocatealpha($image_dst, $red2, $green2, $blue2, $alpha);
imageline($image_dst, $i, $i, $this->image_dst_x - $i - 1, $i, $c1);
imageline($image_dst, $this->image_dst_x - $i - 1, $this->image_dst_y - $i, $this->image_dst_x - $i - 1, $i, $c2);
imageline($image_dst, $this->image_dst_x - $i - 1, $this->image_dst_y - $i - 1, $i, $this->image_dst_y - $i - 1, $c2);
imageline($image_dst, $i, $i, $i, $this->image_dst_y - $i - 1, $c1);
}
}
// add watermark image
if ($this->image_watermark != '' && file_exists($this->image_watermark)) {
$this->log .= '- ' . _("add watermark") . '<br />';
$this->image_watermark_position = strtolower($this->image_watermark_position);
$watermark_info = getimagesize($this->image_watermark);
$watermark_type = array_key_exists(2, $watermark_info) ? $watermark_info[2] : NULL;
// 1 = GIF, 2 = JPG, 3 = PNG
$watermark_checked = false;
if ($watermark_type == 1) {
if (!function_exists('imagecreatefromgif')) {
$this->error = _("No create from GIF support, can't read watermark");
} else {
$filter = @imagecreatefromgif($this->image_watermark);
if (!$filter) {
$this->error = _("No GIF read support, can't create watermark");
} else {
$this->log .= ' ' . _("watermark source image is GIF") . '<br />';
$watermark_checked = true;
}
}
} else {
if ($watermark_type == 2) {
if (!function_exists('imagecreatefromjpeg')) {
$this->error = _("No create from JPG support, can't read watermark");
} else {
$filter = @imagecreatefromjpeg($this->image_watermark);
if (!$filter) {
$this->error = _("No JPG read support, can't create watermark");
} else {
$this->log .= ' ' . _("watermark source image is JPG") . '<br />';
$watermark_checked = true;
}
}
} else {
if ($watermark_type == 3) {
if (!function_exists('imagecreatefrompng')) {
$this->error = _("No create from PNG support, can't read watermark");
} else {
$filter = @imagecreatefrompng($this->image_watermark);
if (!$filter) {
$this->error = _("No PNG read support, can't create watermark");
} else {
$this->log .= ' ' . _("watermark source image is PNG") . '<br />';
$watermark_checked = true;
}
}
}
}
}
if ($watermark_checked) {
$watermark_width = imagesx($filter);
$watermark_height = imagesy($filter);
$watermark_x = 0;
$watermark_y = 0;
if (is_numeric($this->image_watermark_x)) {
if ($this->image_watermark_x < 0) {
$watermark_x = $this->image_dst_x - $watermark_width + $this->image_watermark_x;
} else {
$watermark_x = $this->image_watermark_x;
}
} else {
if (strpos($this->image_watermark_position, 'r') !== false) {
$watermark_x = $this->image_dst_x - $watermark_width;
} else {
if (strpos($this->image_watermark_position, 'l') !== false) {
$watermark_x = 0;
} else {
$watermark_x = ($this->image_dst_x - $watermark_width) / 2;
}
}
}
if (is_numeric($this->image_watermark_y)) {
if ($this->image_watermark_y < 0) {
$watermark_y = $this->image_dst_y - $watermark_height + $this->image_watermark_y;
} else {
$watermark_y = $this->image_watermark_y;
}
} else {
if (strpos($this->image_watermark_position, 'b') !== false) {
$watermark_y = $this->image_dst_y - $watermark_height;
} else {
if (strpos($this->image_watermark_position, 't') !== false) {
$watermark_y = 0;
} else {
$watermark_y = ($this->image_dst_y - $watermark_height) / 2;
}
}
}
imagecopyresampled($image_dst, $filter, $watermark_x, $watermark_y, 0, 0, $watermark_width, $watermark_height, $watermark_width, $watermark_height);
} else {
$this->error = _("Watermark image is of unknown type");
}
}
// add text
if (!empty($this->image_text)) {
$this->log .= '- ' . _("add text") . '<br />';
if (!is_numeric($this->image_text_padding)) {
$this->image_text_padding = 0;
}
if (!is_numeric($this->image_text_line_spacing)) {
$this->image_text_line_spacing = 0;
}
if (!is_numeric($this->image_text_padding_x)) {
$this->image_text_padding_x = $this->image_text_padding;
}
if (!is_numeric($this->image_text_padding_y)) {
$this->image_text_padding_y = $this->image_text_padding;
}
$this->image_text_position = strtolower($this->image_text_position);
$this->image_text_direction = strtolower($this->image_text_direction);
$this->image_text_alignment = strtolower($this->image_text_alignment);
// if the font is a string, we assume that we might want to load a font
if (!is_numeric($this->image_text_font) && strlen($this->image_text_font) > 4 && substr(strtolower($this->image_text_font), -4) == '.gdf') {
$this->log .= ' ' . _("try to load font") . ' ' . $this->image_text_font . '... ';
if ($this->image_text_font = @imageloadfont($this->image_text_font)) {
$this->log .= _("success") . '<br />';
} else {
$this->log .= _("error") . '<br />';
$this->image_text_font = 5;
}
}
$text = explode("\n", $this->image_text);
$char_width = ImageFontWidth($this->image_text_font);
$char_height = ImageFontHeight($this->image_text_font);
$text_height = 0;
$text_width = 0;
$line_height = 0;
$line_width = 0;
foreach ($text as $k => $v) {
if ($this->image_text_direction == 'v') {
$h = $char_width * strlen($v);
if ($h > $text_height) {
$text_height = $h;
}
$line_width = $char_height;
$text_width += $line_width + ($k < sizeof($text) - 1 ? $this->image_text_line_spacing : 0);
} else {
$w = $char_width * strlen($v);
if ($w > $text_width) {
$text_width = $w;
}
$line_height = $char_height;
$text_height += $line_height + ($k < sizeof($text) - 1 ? $this->image_text_line_spacing : 0);
}
}
$text_width += 2 * $this->image_text_padding_x;
$text_height += 2 * $this->image_text_padding_y;
$text_x = 0;
$text_y = 0;
if (is_numeric($this->image_text_x)) {
if ($this->image_text_x < 0) {
$text_x = $this->image_dst_x - $text_width + $this->image_text_x;
} else {
$text_x = $this->image_text_x;
}
} else {
if (strpos($this->image_text_position, 'r') !== false) {
$text_x = $this->image_dst_x - $text_width;
} else {
if (strpos($this->image_text_position, 'l') !== false) {
$text_x = 0;
} else {
$text_x = ($this->image_dst_x - $text_width) / 2;
}
}
}
if (is_numeric($this->image_text_y)) {
if ($this->image_text_y < 0) {
$text_y = $this->image_dst_y - $text_height + $this->image_text_y;
} else {
$text_y = $this->image_text_y;
}
} else {
if (strpos($this->image_text_position, 'b') !== false) {
$text_y = $this->image_dst_y - $text_height;
} else {
if (strpos($this->image_text_position, 't') !== false) {
$text_y = 0;
} else {
$text_y = ($this->image_dst_y - $text_height) / 2;
}
}
}
// add a background, maybe transparent
if (!empty($this->image_text_background)) {
sscanf($this->image_text_background, "#%2x%2x%2x", $red, $green, $blue);
if ($gd_version >= 2 && is_numeric($this->image_text_background_percent) && $this->image_text_background_percent >= 0 && $this->image_text_background_percent <= 100) {
$filter = imagecreatetruecolor($text_width, $text_height);
$background_color = imagecolorallocate($filter, $red, $green, $blue);
imagefilledrectangle($filter, 0, 0, $text_width, $text_height, $background_color);
imagecopymerge($image_dst, $filter, $text_x, $text_y, 0, 0, $text_width, $text_height, $this->image_text_background_percent);
imagedestroy($filter);
} else {
$background_color = imageColorAllocate($image_dst, $red, $green, $blue);
imagefilledrectangle($image_dst, $text_x, $text_y, $text_x + $text_width, $text_y + $text_height, $background_color);
}
}
$text_x += $this->image_text_padding_x;
$text_y += $this->image_text_padding_y;
$t_width = $text_width - 2 * $this->image_text_padding_x;
$t_height = $text_height - 2 * $this->image_text_padding_y;
sscanf($this->image_text_color, "#%2x%2x%2x", $red, $green, $blue);
// add the text, maybe transparent
if ($gd_version >= 2 && is_numeric($this->image_text_percent) && $this->image_text_percent >= 0 && $this->image_text_percent <= 100) {
if ($t_width < 0) {
$t_width = 0;
}
if ($t_height < 0) {
$t_height = 0;
}
$filter = imagecreatetruecolor($t_width, $t_height);
$color = imagecolorallocate($filter, 0, 0, $blue == 0 ? 255 : 0);
imagefill($filter, 0, 0, $color);
$text_color = imagecolorallocate($filter, $red, $green, $blue);
imagecolortransparent($filter, $color);
foreach ($text as $k => $v) {
if ($this->image_text_direction == 'v') {
imagestringup($filter, $this->image_text_font, $k * ($line_width + ($k > 0 && $k < sizeof($text) ? $this->image_text_line_spacing : 0)), $text_height - 2 * $this->image_text_padding_y - ($this->image_text_alignment == 'l' ? 0 : ($t_height - strlen($v) * $char_width) / ($this->image_text_alignment == 'r' ? 1 : 2)), $v, $text_color);
} else {
imagestring($filter, $this->image_text_font, $this->image_text_alignment == 'l' ? 0 : ($t_width - strlen($v) * $char_width) / ($this->image_text_alignment == 'r' ? 1 : 2), $k * ($line_height + ($k > 0 && $k < sizeof($text) ? $this->image_text_line_spacing : 0)), $v, $text_color);
}
}
imagecopymerge($image_dst, $filter, $text_x, $text_y, 0, 0, $t_width, $t_height, $this->image_text_percent);
imagedestroy($filter);
} else {
$text_color = imageColorAllocate($image_dst, $red, $green, $blue);
foreach ($text as $k => $v) {
if ($this->image_text_direction == 'v') {
imagestringup($image_dst, $this->image_text_font, $text_x + $k * ($line_width + ($k > 0 && $k < sizeof($text) ? $this->image_text_line_spacing : 0)), $text_y + $text_height - 2 * $this->image_text_padding_y - ($this->image_text_alignment == 'l' ? 0 : ($t_height - strlen($v) * $char_width) / ($this->image_text_alignment == 'r' ? 1 : 2)), $v, $text_color);
} else {
imagestring($image_dst, $this->image_text_font, $text_x + ($this->image_text_alignment == 'l' ? 0 : ($t_width - strlen($v) * $char_width) / ($this->image_text_alignment == 'r' ? 1 : 2)), $text_y + $k * ($line_height + ($k > 0 && $k < sizeof($text) ? $this->image_text_line_spacing : 0)), $v, $text_color);
}
}
}
}
// add a reflection
if ($this->image_reflection_height) {
$this->log .= '- ' . _("add reflection") . ' : ' . $this->image_reflection_height . '<br />';
// we decode image_reflection_height, which can be a integer, a string in pixels or percentage
$image_reflection_height = $this->image_reflection_height;
if (strpos($image_reflection_height, '%') > 0) {
$image_reflection_height = $this->image_dst_y * str_replace('%', '', $image_reflection_height / 100);
}
if (strpos($image_reflection_height, 'px') > 0) {
$image_reflection_height = str_replace('px', '', $image_reflection_height);
}
$image_reflection_height = (int) $image_reflection_height;
if ($image_reflection_height > $this->image_dst_y) {
$image_reflection_height = $this->image_dst_y;
}
if (empty($this->image_reflection_color)) {
$this->image_reflection_color = '#FFFFFF';
}
if (empty($this->image_reflection_opacity)) {
$this->image_reflection_opacity = 60;
}
// create the new destination image
$tmp = imagecreatetruecolor($this->image_dst_x, $this->image_dst_y + $image_reflection_height + $this->image_reflection_space);
sscanf($this->image_reflection_color, "#%2x%2x%2x", $red, $green, $blue);
$color = imagecolorallocate($tmp, $red, $green, $blue);
imagefilledrectangle($tmp, 0, 0, $this->image_dst_x, $this->image_dst_y + $image_reflection_height + $this->image_reflection_space, $color);
$transparency = $this->image_reflection_opacity;
// copy the original image
imagecopy($tmp, $image_dst, 0, 0, 0, 0, $this->image_dst_x, $this->image_dst_y + ($this->image_reflection_space < 0 ? $this->image_reflection_space : 0));
// copy the reflection
for ($y = 0; $y < $image_reflection_height; $y++) {
imagecopymerge($tmp, $image_dst, 0, $y + $this->image_dst_y + $this->image_reflection_space, 0, $this->image_dst_y - $y - 1 + ($this->image_reflection_space < 0 ? $this->image_reflection_space : 0), $this->image_dst_x, 1, (int) $transparency);
if ($transparency > 0) {
$transparency = $transparency - $this->image_reflection_opacity / $image_reflection_height;
}
}
// copy the resulting image into the destination image
$this->image_dst_y = $this->image_dst_y + $image_reflection_height + $this->image_reflection_space;
imagedestroy($image_dst);
$image_dst = imagecreatetruecolor($this->image_dst_x, $this->image_dst_y);
imagecopy($image_dst, $tmp, 0, 0, 0, 0, $this->image_dst_x, $this->image_dst_y);
imagedestroy($tmp);
}
if (is_numeric($this->jpeg_size) && $this->jpeg_size > 0 && ($this->image_convert == 'jpeg' || $this->image_convert == 'jpg')) {
// inspired by: JPEGReducer class version 1, 25 November 2004, Author: Huda M ElMatsani, justhuda at netscape dot net
$this->log .= '- ' . _("JPEG desired file size") . ' : ' . $this->jpeg_size . '<br />';
//calculate size of each image. 75%, 50%, and 25% quality
ob_start();
imagejpeg($image_dst, '', 75);
$buffer = ob_get_contents();
ob_end_clean();
$size75 = strlen($buffer);
ob_start();
imagejpeg($image_dst, '', 50);
$buffer = ob_get_contents();
ob_end_clean();
$size50 = strlen($buffer);
ob_start();
imagejpeg($image_dst, '', 25);
$buffer = ob_get_contents();
ob_end_clean();
$size25 = strlen($buffer);
//calculate gradient of size reduction by quality
$mgrad1 = 25 / ($size50 - $size25);
$mgrad2 = 25 / ($size75 - $size50);
$mgrad3 = 50 / ($size75 - $size25);
$mgrad = ($mgrad1 + $mgrad2 + $mgrad3) / 3;
//result of approx. quality factor for expected size
$q_factor = round($mgrad * ($this->jpeg_size - $size50) + 50);
if ($q_factor < 1) {
$this->jpeg_quality = 1;
} elseif ($q_factor > 100) {
$this->jpeg_quality = 100;
} else {
$this->jpeg_quality = $q_factor;
}
$this->log .= ' ' . _("JPEG quality factor set to") . ' ' . $this->jpeg_quality . '<br />';
}
// outputs image
$this->log .= '- ' . _("converting..") . '<br />';
switch ($this->image_convert) {
case 'jpeg':
case 'jpg':
$result = @imagejpeg($image_dst, $this->file_dst_pathname, $this->jpeg_quality);
if (!$result) {
$this->processed = false;
$this->error = _("No JPEG create support");
} else {
$this->log .= ' ' . _("JPEG image created") . '<br />';
}
break;
case 'png':
$result = @imagepng($image_dst, $this->file_dst_pathname);
if (!$result) {
$this->processed = false;
$this->error = _("No PNG create support");
} else {
$this->log .= ' ' . _("PNG image created") . '<br />';
}
break;
case 'gif':
$result = @imagegif($image_dst, $this->file_dst_pathname);
if (!$result) {
$this->processed = false;
$this->error = _("No GIF create support");
} else {
$this->log .= ' ' . _("GIF image created") . '<br />';
}
break;
default:
$this->processed = false;
$this->error = _("No convertion type defined");
}
if ($this->processed) {
if (is_resource($image_src)) {
imagedestroy($image_src);
}
if (is_resource($image_dst)) {
imagedestroy($image_dst);
}
$this->log .= ' ' . _("image objects destroyed") . '<br />';
}
}
if ($has_temp_file) {
$this->log .= '- ' . _("deletes temporary file") . '<br />';
@unlink($this->file_src_pathname);
}
} else {
$this->log .= '- ' . _("no image processing wanted") . '<br />';
if (!$this->no_upload_check) {
$result = is_uploaded_file($this->file_src_pathname);
} else {
$result = TRUE;
}
if ($result) {
if (!$this->no_upload_check) {
if (!move_uploaded_file($this->file_src_pathname, $this->file_dst_pathname)) {
$this->processed = false;
$this->error = _("Error copying file on the server. move_uploaded_file() failed");
}
} else {
if (!copy($this->file_src_pathname, $this->file_dst_pathname)) {
$this->processed = false;
$this->error = _("Error copying file on the server. copy() failed");
}
}
} else {
$this->processed = false;
$this->error = _("Error copying file on the server. Incorrect source file");
}
}
}
if ($this->processed) {
$this->log .= '- <b>' . _("process OK") . '</b><br />';
}
// we reinit all the var
$this->init();
}
/**
* Draw the CAPTCHA code over the image
*
* @access private
*
*/
function drawWord()
{
if ($this->use_gd_font == true) {
if (!is_int($this->gd_font_file)) {
//is a file name
$font = @imageloadfont($this->gd_font_file);
if ($font == false) {
trigger_error("Failed to load GD Font file {$this->gd_font_file} ", E_USER_WARNING);
return;
}
} else {
//gd font identifier
$font = $this->gd_font_file;
}
$color = imagecolorallocate($this->im, hexdec(substr($this->text_color, 1, 2)), hexdec(substr($this->text_color, 3, 2)), hexdec(substr($this->text_color, 5, 2)));
imagestring($this->im, $font, $this->text_x_start, $this->image_height / 2 - $this->gd_font_size / 2, $this->code, $color);
} else {
//ttf font
if ($this->use_transparent_text == true) {
$alpha = intval($this->text_transparency_percentage / 100 * 127);
$font_color = imagecolorallocatealpha($this->im, hexdec(substr($this->text_color, 1, 2)), hexdec(substr($this->text_color, 3, 2)), hexdec(substr($this->text_color, 5, 2)), $alpha);
} else {
//no transparency
$font_color = imagecolorallocate($this->im, hexdec(substr($this->text_color, 1, 2)), hexdec(substr($this->text_color, 3, 2)), hexdec(substr($this->text_color, 5, 2)));
}
$x = $this->text_x_start;
$strlen = strlen($this->code);
$y_min = $this->image_height / 2 + $this->font_size / 2 - 2;
$y_max = $this->image_height / 2 + $this->font_size / 2 + 2;
$colors = explode(',', $this->multi_text_color);
for ($i = 0; $i < $strlen; ++$i) {
$angle = rand($this->text_angle_minimum, $this->text_angle_maximum);
$y = rand($y_min, $y_max);
if ($this->use_multi_text == true) {
$idx = rand(0, sizeof($colors) - 1);
$r = substr($colors[$idx], 1, 2);
$g = substr($colors[$idx], 3, 2);
$b = substr($colors[$idx], 5, 2);
if ($this->use_transparent_text == true) {
$font_color = imagecolorallocatealpha($this->im, "0x{$r}", "0x{$g}", "0x{$b}", $alpha);
} else {
$font_color = imagecolorallocate($this->im, "0x{$r}", "0x{$g}", "0x{$b}");
}
}
@imagettftext($this->im, $this->font_size, $angle, $x, $y, $font_color, $this->ttf_file, $this->code[$i]);
$x += rand($this->text_minimum_distance, $this->text_maximum_distance);
}
//for loop
}
//else ttf font
}
/**
* Draw the CAPTCHA code over the image
*
* @access private
*
*/
function drawWord()
{
if ($this->use_gd_font == true) {
if (!is_int($this->gd_font_file)) {
//is a file name
$font = @imageloadfont($this->gd_font_file);
if ($font == false) {
trigger_error("Failed to load GD Font file {$this->gd_font_file} ", E_USER_WARNING);
return;
}
} else {
//gd font identifier
$font = $this->gd_font_file;
}
$color = imagecolorallocate($this->im, hexdec(substr($this->text_color, 1, 2)), hexdec(substr($this->text_color, 3, 2)), hexdec(substr($this->text_color, 5, 2)));
imagestring($this->im, $font, $this->text_x_start, $this->image_height / 2 - $this->gd_font_size / 2, $this->code, $color);
} else {
//ttf font
if ($this->use_transparent_text == true) {
$alpha = intval($this->text_transparency_percentage / 100 * 127);
$font_color = imagecolorallocatealpha($this->im, hexdec(substr($this->text_color, 1, 2)), hexdec(substr($this->text_color, 3, 2)), hexdec(substr($this->text_color, 5, 2)), $alpha);
} else {
//no transparency
$font_color = imagecolorallocate($this->im, hexdec(substr($this->text_color, 1, 2)), hexdec(substr($this->text_color, 3, 2)), hexdec(substr($this->text_color, 5, 2)));
}
$x = $this->text_x_start;
$strlen = strlen($this->code);
$y_min = $this->image_height / 2 + $this->font_size / 2 - 2;
$y_max = $this->image_height / 2 + $this->font_size / 2 + 2;
$colors = explode(',', $this->multi_text_color);
for ($i = 0; $i < $strlen; ++$i) {
$angle = rand($this->text_angle_minimum, $this->text_angle_maximum);
$y = rand($y_min, $y_max);
if ($this->use_multi_text == true) {
$idx = rand(0, sizeof($colors) - 1);
$r = substr($colors[$idx], 1, 2);
$g = substr($colors[$idx], 3, 2);
$b = substr($colors[$idx], 5, 2);
if ($this->use_transparent_text == true) {
$font_color = imagecolorallocatealpha($this->im, "0x{$r}", "0x{$g}", "0x{$b}", $alpha);
} else {
$font_color = imagecolorallocate($this->im, "0x{$r}", "0x{$g}", "0x{$b}");
}
}
/* Will check if the FreeType library is loaded, if not, use the default PHP fonts.
* @customized by ATutor, Harris Wong
*/
if (function_exists('imagettftext')) {
@imagettftext($this->im, $this->font_size, $angle, $x, $y, $font_color, $this->ttf_file, $this->code[$i]);
} else {
$this->arc_linethrough = false;
//no arcline then,too hard to see with the built in fonts and limited size
imagestring($this->im, 5, $x, $y - 15, $this->code[$i], $font_color);
}
$x += rand($this->text_minimum_distance, $this->text_maximum_distance);
}
//for loop
}
//else ttf font
}
function showCodeImage($code)
{
global $settings, $user_info, $modSettings;
/*
Note: The higher the value of visual_verification_type the harder the verification is - from 0 as disabled through to 4 as "Very hard".
*/
// What type are we going to be doing?
$imageType = $modSettings['visual_verification_type'];
// Special case to allow the admin center to show samples.
if ($user_info['is_admin'] && isset($_GET['type'])) {
$imageType = (int) $_GET['type'];
}
// Some quick references for what we do.
// Do we show no, low or high noise?
$noiseType = $imageType == 3 ? 'low' : ($imageType == 4 ? 'high' : ($imageType == 5 ? 'extreme' : 'none'));
// Can we have more than one font in use?
$varyFonts = $imageType > 3 ? true : false;
// Just a plain white background?
$simpleBGColor = $imageType < 3 ? true : false;
// Plain black foreground?
$simpleFGColor = $imageType == 0 ? true : false;
// High much to rotate each character.
$rotationType = $imageType == 1 ? 'none' : ($imageType > 3 ? 'low' : 'high');
// Do we show some characters inversed?
$showReverseChars = $imageType > 3 ? true : false;
// Special case for not showing any characters.
$disableChars = $imageType == 0 ? true : false;
// What do we do with the font colors. Are they one color, close to one color or random?
$fontColorType = $imageType == 1 ? 'plain' : ($imageType > 3 ? 'random' : 'cyclic');
// Are the fonts random sizes?
$fontSizeRandom = $imageType > 3 ? true : false;
// How much space between characters?
$fontHorSpace = $imageType > 3 ? 'high' : ($imageType == 1 ? 'medium' : 'minus');
// Where do characters sit on the image? (Fixed position or random/very random)
$fontVerPos = $imageType == 1 ? 'fixed' : ($imageType > 3 ? 'vrandom' : 'random');
// Make font semi-transparent?
$fontTrans = $imageType == 2 || $imageType == 3 ? true : false;
// Give the image a border?
$hasBorder = $simpleBGColor;
// Is this GD2? Needed for pixel size.
$testGD = get_extension_funcs('gd');
$gd2 = in_array('imagecreatetruecolor', $testGD) && function_exists('imagecreatetruecolor');
unset($testGD);
// The amount of pixels inbetween characters.
$character_spacing = 1;
// What color is the background - generally white unless we're on "hard".
if ($simpleBGColor) {
$background_color = array(255, 255, 255);
} else {
$background_color = isset($settings['verification_background']) ? $settings['verification_background'] : array(236, 237, 243);
}
// The color of the characters shown (red, green, blue).
if ($simpleFGColor) {
$foreground_color = array(0, 0, 0);
} else {
$foreground_color = array(64, 101, 136);
// Has the theme author requested a custom color?
if (isset($settings['verification_foreground'])) {
$foreground_color = $settings['verification_foreground'];
}
}
if (!is_dir($settings['default_theme_dir'] . '/fonts')) {
return false;
}
// Get a list of the available fonts.
$font_dir = dir($settings['default_theme_dir'] . '/fonts');
$font_list = array();
$ttfont_list = array();
while ($entry = $font_dir->read()) {
if (preg_match('~^(.+)\\.gdf$~', $entry, $matches) === 1) {
$font_list[] = $entry;
} elseif (preg_match('~^(.+)\\.ttf$~', $entry, $matches) === 1) {
$ttfont_list[] = $entry;
}
}
if (empty($font_list)) {
return false;
}
// For non-hard things don't even change fonts.
if (!$varyFonts) {
$font_list = array($font_list[0]);
// Try use Screenge if we can - it looks good!
if (in_array('Screenge.ttf', $ttfont_list)) {
$ttfont_list = array('Screenge.ttf');
} else {
$ttfont_list = empty($ttfont_list) ? array() : array($ttfont_list[0]);
}
}
// Create a list of characters to be shown.
$characters = array();
$loaded_fonts = array();
for ($i = 0; $i < strlen($code); $i++) {
$characters[$i] = array('id' => $code[$i], 'font' => array_rand($font_list));
$loaded_fonts[$characters[$i]['font']] = null;
}
// Load all fonts and determine the maximum font height.
foreach ($loaded_fonts as $font_index => $dummy) {
$loaded_fonts[$font_index] = imageloadfont($settings['default_theme_dir'] . '/fonts/' . $font_list[$font_index]);
}
// Determine the dimensions of each character.
$total_width = $character_spacing * strlen($code) + 20;
$max_height = 0;
foreach ($characters as $char_index => $character) {
$characters[$char_index]['width'] = imagefontwidth($loaded_fonts[$character['font']]);
$characters[$char_index]['height'] = imagefontheight($loaded_fonts[$character['font']]);
$max_height = max($characters[$char_index]['height'] + 5, $max_height);
$total_width += $characters[$char_index]['width'];
}
// Create an image.
$code_image = $gd2 ? imagecreatetruecolor($total_width, $max_height) : imagecreate($total_width, $max_height);
// Draw the background.
$bg_color = imagecolorallocate($code_image, $background_color[0], $background_color[1], $background_color[2]);
imagefilledrectangle($code_image, 0, 0, $total_width - 1, $max_height - 1, $bg_color);
// Randomize the foreground color a little.
for ($i = 0; $i < 3; $i++) {
$foreground_color[$i] = mt_rand(max($foreground_color[$i] - 3, 0), min($foreground_color[$i] + 3, 255));
}
$fg_color = imagecolorallocate($code_image, $foreground_color[0], $foreground_color[1], $foreground_color[2]);
// Color for the dots.
for ($i = 0; $i < 3; $i++) {
$dotbgcolor[$i] = $background_color[$i] < $foreground_color[$i] ? mt_rand(0, max($foreground_color[$i] - 20, 0)) : mt_rand(min($foreground_color[$i] + 20, 255), 255);
}
$randomness_color = imagecolorallocate($code_image, $dotbgcolor[0], $dotbgcolor[1], $dotbgcolor[2]);
// Some squares/rectanges for new extreme level
if ($noiseType == 'extreme') {
for ($i = 0; $i < rand(1, 5); $i++) {
$x1 = rand(0, $total_width / 4);
$x2 = $x1 + round(rand($total_width / 4, $total_width));
$y1 = rand(0, $max_height);
$y2 = $y1 + round(rand(0, $max_height / 3));
imagefilledrectangle($code_image, $x1, $y1, $x2, $y2, mt_rand(0, 1) ? $fg_color : $randomness_color);
}
}
// Fill in the characters.
if (!$disableChars) {
$cur_x = 0;
foreach ($characters as $char_index => $character) {
// Can we use true type fonts?
$can_do_ttf = function_exists('imagettftext');
// How much rotation will we give?
if ($rotationType == 'none') {
$angle = 0;
} else {
$angle = mt_rand(-100, 100) / ($rotationType == 'high' ? 6 : 10);
}
// What color shall we do it?
if ($fontColorType == 'cyclic') {
// Here we'll pick from a set of acceptance types.
$colors = array(array(10, 120, 95), array(46, 81, 29), array(4, 22, 154), array(131, 9, 130), array(0, 0, 0), array(143, 39, 31));
if (!isset($last_index)) {
$last_index = -1;
}
$new_index = $last_index;
while ($last_index == $new_index) {
$new_index = mt_rand(0, count($colors) - 1);
}
$char_fg_color = $colors[$new_index];
$last_index = $new_index;
} elseif ($fontColorType == 'random') {
$char_fg_color = array(mt_rand(max($foreground_color[0] - 2, 0), $foreground_color[0]), mt_rand(max($foreground_color[1] - 2, 0), $foreground_color[1]), mt_rand(max($foreground_color[2] - 2, 0), $foreground_color[2]));
} else {
$char_fg_color = array($foreground_color[0], $foreground_color[1], $foreground_color[2]);
}
if (!empty($can_do_ttf)) {
// GD2 handles font size differently.
if ($fontSizeRandom) {
$font_size = $gd2 ? mt_rand(17, 19) : mt_rand(18, 25);
} else {
$font_size = $gd2 ? 18 : 24;
}
// Work out the sizes - also fix the character width cause TTF not quite so wide!
$font_x = $fontHorSpace == 'minus' && $cur_x > 0 ? $cur_x - 3 : $cur_x + 5;
$font_y = $max_height - ($fontVerPos == 'vrandom' ? mt_rand(2, 8) : ($fontVerPos == 'random' ? mt_rand(3, 5) : 5));
// What font face?
if (!empty($ttfont_list)) {
$fontface = $settings['default_theme_dir'] . '/fonts/' . $ttfont_list[mt_rand(0, count($ttfont_list) - 1)];
}
// What color are we to do it in?
$is_reverse = $showReverseChars ? mt_rand(0, 1) : false;
$char_color = function_exists('imagecolorallocatealpha') && $fontTrans ? imagecolorallocatealpha($code_image, $char_fg_color[0], $char_fg_color[1], $char_fg_color[2], 50) : imagecolorallocate($code_image, $char_fg_color[0], $char_fg_color[1], $char_fg_color[2]);
$fontcord = @imagettftext($code_image, $font_size, $angle, $font_x, $font_y, $char_color, $fontface, $character['id']);
if (empty($fontcord)) {
$can_do_ttf = false;
} elseif ($is_reverse) {
imagefilledpolygon($code_image, $fontcord, 4, $fg_color);
// Put the character back!
imagettftext($code_image, $font_size, $angle, $font_x, $font_y, $randomness_color, $fontface, $character['id']);
}
if ($can_do_ttf) {
$cur_x = max($fontcord[2], $fontcord[4]) + ($angle == 0 ? 0 : 3);
}
}
if (!$can_do_ttf) {
// Rotating the characters a little...
if (function_exists('imagerotate')) {
$char_image = $gd2 ? imagecreatetruecolor($character['width'], $character['height']) : imagecreate($character['width'], $character['height']);
$char_bgcolor = imagecolorallocate($char_image, $background_color[0], $background_color[1], $background_color[2]);
imagefilledrectangle($char_image, 0, 0, $character['width'] - 1, $character['height'] - 1, $char_bgcolor);
imagechar($char_image, $loaded_fonts[$character['font']], 0, 0, $character['id'], imagecolorallocate($char_image, $char_fg_color[0], $char_fg_color[1], $char_fg_color[2]));
$rotated_char = imagerotate($char_image, mt_rand(-100, 100) / 10, $char_bgcolor);
imagecopy($code_image, $rotated_char, $cur_x, 0, 0, 0, $character['width'], $character['height']);
imagedestroy($rotated_char);
imagedestroy($char_image);
} else {
imagechar($code_image, $loaded_fonts[$character['font']], $cur_x, floor(($max_height - $character['height']) / 2), $character['id'], imagecolorallocate($code_image, $char_fg_color[0], $char_fg_color[1], $char_fg_color[2]));
}
$cur_x += $character['width'] + $character_spacing;
}
}
} else {
imageline($code_image, 0, 0, $total_width, $max_height, $fg_color);
imageline($code_image, 0, $max_height, $total_width, 0, $fg_color);
}
// Make the background color transparent on the hard image.
if (!$simpleBGColor) {
imagecolortransparent($code_image, $bg_color);
}
if ($hasBorder) {
imagerectangle($code_image, 0, 0, $total_width - 1, $max_height - 1, $fg_color);
}
// Add some noise to the background?
if ($noiseType != 'none') {
for ($i = mt_rand(0, 2); $i < $max_height; $i += mt_rand(1, 2)) {
for ($j = mt_rand(0, 10); $j < $total_width; $j += mt_rand(1, 10)) {
imagesetpixel($code_image, $j, $i, mt_rand(0, 1) ? $fg_color : $randomness_color);
}
}
// Put in some lines too?
if ($noiseType != 'extreme') {
$num_lines = $noiseType == 'high' ? mt_rand(3, 7) : mt_rand(2, 5);
for ($i = 0; $i < $num_lines; $i++) {
if (mt_rand(0, 1)) {
$x1 = mt_rand(0, $total_width);
$x2 = mt_rand(0, $total_width);
$y1 = 0;
$y2 = $max_height;
} else {
$y1 = mt_rand(0, $max_height);
$y2 = mt_rand(0, $max_height);
$x1 = 0;
$x2 = $total_width;
}
imagesetthickness($code_image, mt_rand(1, 2));
imageline($code_image, $x1, $y1, $x2, $y2, mt_rand(0, 1) ? $fg_color : $randomness_color);
}
} else {
// Put in some ellipse
$num_ellipse = $noiseType == 'extreme' ? mt_rand(6, 12) : mt_rand(2, 6);
for ($i = 0; $i < $num_ellipse; $i++) {
$x1 = round(rand($total_width / 4 * -1, $total_width + $total_width / 4));
$x2 = round(rand($total_width / 2, 2 * $total_width));
$y1 = round(rand($max_height / 4 * -1, $max_height + $max_height / 4));
$y2 = round(rand($max_height / 2, 2 * $max_height));
imageellipse($code_image, $x1, $y1, $x2, $y2, mt_rand(0, 1) ? $fg_color : $randomness_color);
}
}
}
// Show the image.
if (function_exists('imagegif')) {
header('Content-type: image/gif');
imagegif($code_image);
} else {
header('Content-type: image/png');
imagepng($code_image);
}
// Bail out.
imagedestroy($code_image);
die;
}
function marktpreise()
{
// berechnet die marktpreise neu
$select = "SELECT SUM( eisenmine ) AS ges FROM `gebauede`;";
$result = mysql_query($select);
$row = mysql_fetch_array($result);
$eisen_gw = ($row['ges'] * 30 / 100 * ($row['ges'] * 5) + (40 + $row['ges'] * 30)) * 2;
$select = "SELECT SUM( titanmine ) AS ges FROM `gebauede`;";
$result = mysql_query($select);
$row = mysql_fetch_array($result);
$titan_gw = ($row['ges'] * 20 / 100 * ($row['ges'] * 5) + (20 + $row['ges'] * 20)) * 2;
$select = "SELECT SUM( oelpumpe ) AS ges FROM `gebauede`;";
$result = mysql_query($select);
$row = mysql_fetch_array($result);
$oel_gw = ($row['ges'] * 25 / 100 * ($row['ges'] * 5) + (32 + $row['ges'] * 25)) * 2;
$select = "SELECT SUM( uranmine ) AS ges FROM `gebauede`;";
$result = mysql_query($select);
$row = mysql_fetch_array($result);
$uran_gw = ($row['ges'] * 12 / 100 * ($row['ges'] * 5) + $row['ges'] * 12) * 2;
$select = "SELECT einheit, SUM(menge) as ges FROM `markt` WHERE `type` = '0' AND `einheit` = '1' GROUP BY einheit;";
$result = mysql_query($select);
$row = mysql_fetch_array($result);
$ges['eisen'] = $row['ges'] + $eisen_gw;
$select = "SELECT einheit, SUM(menge) as ges FROM `markt` WHERE `type` = '0' AND `einheit` = '2' GROUP BY einheit;";
$result = mysql_query($select);
$row = mysql_fetch_array($result);
$ges['titan'] = $row['ges'] + $titan_gw;
$select = "SELECT einheit, SUM(menge) as ges FROM `markt` WHERE `type` = '0' AND `einheit` = '3' GROUP BY einheit;";
$result = mysql_query($select);
$row = mysql_fetch_array($result);
$ges['oel'] = $row['ges'] + $oel_gw;
$select = "SELECT einheit, SUM(menge) as ges FROM `markt` WHERE `type` = '0' AND `einheit` = '4' GROUP BY einheit;";
$result = mysql_query($select);
$row = mysql_fetch_array($result);
$ges['uran'] = $row['ges'] + $uran_gw;
$select = "SELECT einheit, SUM(menge) as ges FROM `markt` WHERE `type` = '1' AND `einheit` = '1' GROUP BY einheit;";
$result = mysql_query($select);
$row = mysql_fetch_array($result);
$mges['eisen'] = $row['ges'] + $eisen_gw;
$select = "SELECT einheit, SUM(menge) as ges FROM `markt` WHERE `type` = '1' AND `einheit` = '2' GROUP BY einheit;";
$result = mysql_query($select);
$row = mysql_fetch_array($result);
$mges['titan'] = $row['ges'] + $titan_gw;
$select = "SELECT einheit, SUM(menge) as ges FROM `markt` WHERE `type` = '1' AND `einheit` = '3' GROUP BY einheit;";
$result = mysql_query($select);
$row = mysql_fetch_array($result);
$mges['oel'] = $row['ges'] + $oel_gw;
$select = "SELECT einheit, SUM(menge) as ges FROM `markt` WHERE `type` = '1' AND `einheit` = '4' GROUP BY einheit;";
$result = mysql_query($select);
$row = mysql_fetch_array($result);
$mges['uran'] = $row['ges'] + $uran_gw;
$ek['eisen'] = number_format(300 / 100 * $ges['eisen'] / (($ges['eisen'] + $mges['eisen']) / 100), 2);
$vk['eisen'] = number_format(300 / 100 * $ges['eisen'] / (($ges['eisen'] + $mges['eisen']) / 100) / 2, 2);
$ek['titan'] = number_format(400 / 100 * $ges['titan'] / (($ges['titan'] + $mges['titan']) / 100), 2);
$vk['titan'] = number_format(400 / 100 * $ges['titan'] / (($ges['titan'] + $mges['titan']) / 100) / 2, 2);
$ek['oel'] = number_format(350 / 100 * $ges['oel'] / (($ges['oel'] + $mges['oel']) / 100), 2);
$vk['oel'] = number_format(350 / 100 * $ges['oel'] / (($ges['oel'] + $mges['oel']) / 100) / 2, 2);
$ek['uran'] = number_format(500 / 100 * $ges['uran'] / (($ges['uran'] + $mges['uran']) / 100), 2);
$vk['uran'] = number_format(500 / 100 * $ges['uran'] / (($ges['uran'] + $mges['uran']) / 100) / 2, 2);
mysql_query("INSERT INTO `marktpreise` ( `id` , `time` , `ek_eisen` , `ek_oel` , `ek_titan` , `ek_uran` , `vk_eisen` , `vk_oel` , `vk_titan` , `vk_uran` ) VALUES ( '', '" . date('U') . "', '" . $ek['eisen'] . "', '" . $ek['oel'] . "', '" . $ek['titan'] . "', '" . $ek['uran'] . "', '" . $vk['eisen'] . "', '" . $vk['oel'] . "', '" . $vk['titan'] . "', '" . $vk['uran'] . "' );");
$bild1 = imagecreatefromgif("img/graph.gif");
$bild2 = imagecreatefromgif("img/graph.gif");
$bild3 = imagecreatefromgif("img/graph.gif");
$bild4 = imagecreatefromgif("img/graph.gif");
$farbe = imagecolorallocate($bild1, 0, 0, 0);
$font = imageloadfont('code/addlg10.gdf');
imagestring($bild1, 10, 30, 230, 'Preisentwicklung Eisen ' . date('(d.m.Y - H:i)'), $farbe);
imagestring($bild2, 10, 30, 230, 'Preisentwicklung Titan ' . date('(d.m.Y - H:i)'), $farbe);
imagestring($bild3, 10, 40, 230, 'Preisentwicklung Oel ' . date('(d.m.Y - H:i)'), $farbe);
imagestring($bild4, 10, 35, 230, 'Preisentwicklung Uran ' . date('(d.m.Y - H:i)'), $farbe);
$result = mysql_query("SELECT * FROM `marktpreise` GROUP BY `id` DESC LIMIT 0,42;");
do {
$i++;
$row = mysql_fetch_array($result);
$y1 = number_format($row['ek_eisen'] / 2, 0, '', '');
$y2 = number_format($row['ek_titan'] / 2, 0, '', '');
$y3 = number_format($row['ek_oel'] / 2, 0, '', '');
$y4 = number_format($row['ek_uran'] / 2, 0, '', '');
if ($oldy1 != '') {
imageline($bild1, 420 - $i * 10, 210 - $y1, 420 - ($i - 1) * 10, 210 - $oldy1, $farbe);
imageline($bild2, 420 - $i * 10, 210 - $y2, 420 - ($i - 1) * 10, 210 - $oldy2, $farbe);
imageline($bild3, 420 - $i * 10, 210 - $y3, 420 - ($i - 1) * 10, 210 - $oldy3, $farbe);
imageline($bild4, 420 - $i * 10, 210 - $y4, 420 - ($i - 1) * 10, 210 - $oldy4, $farbe);
}
$oldy1 = $y1;
$oldy2 = $y2;
$oldy3 = $y3;
$oldy4 = $y4;
} while ($row and $i < 41);
imagepng($bild1, 'eisenstats.png');
imagepng($bild2, 'titanstats.png');
imagepng($bild3, 'oelstats.png');
imagepng($bild4, 'uranstats.png');
}
{
return array(hexdec(substr($color, 0, 2)), hexdec(substr($color, 2, 2)), hexdec(substr($color, 4, 2)));
}
for ($i = 1; $i <= 3; $i++) {
if (is_array($var['line' . $i]['value_p'])) {
$use_country = true;
$_flag_xy = $flag_xy[$i];
$_flag = $var['line' . $i]['value_p']['iso'];
$var['line' . $i]['value_p'] = $var['line' . $i]['value_p']['name'];
}
}
//create image
$im = imagecreatetruecolor(150, 190);
//load font
$fonts = array(1 => 'msmincho.gdf', 2 => 'smallfont.gdf', 3 => 'visitort2.gdf');
$font = imageloadfont("fonts/" . $fonts[$var['font']]);
//define colors
//border color
list($br, $bg, $bb) = hex2rgb($var['bColor']);
$bColor = imagecolorallocate($im, $br, $bg, $bb);
//background color
list($bgr, $bgg, $bgb) = hex2rgb($var['bgColor']);
$bgColor = imagecolorallocate($im, $bgr, $bgg, $bgb);
//font color
list($fr, $fg, $fb) = hex2rgb($var['fontColor']);
$fontColor = imagecolorallocate($im, $fr, $fg, $fb);
//fill avatar body with the background color
imagefilledrectangle($im, 0, 0, 150, 190, $bgColor);
//draw border
imagerectangle($im, 0, 0, 149, 189, $bColor);
//add smile
<?php
session_start();
header("Content-type: image/png");
$captcha_image = imagecreatefrompng("counter/captcha.png");
$captcha_font = imageloadfont("counter/font.gdf");
$captcha_text = substr(md5(uniqid('')), -6, 6);
$_SESSION['captcha_session'] = $captcha_text;
$captcha_color = imagecolorallocate($captcha_image, 0, 0, 0);
imagestring($captcha_image, $captcha_font, 15, 5, $captcha_text, $captcha_color);
imagepng($captcha_image);
imagedestroy($captcha_image);
public function render($params = array())
{
$roit1 = rand(1, 6);
$font = dirname(__FILE__) . DS . 'catcha_fonts' . DS . 'font' . $roit1 . '.ttf';
$font = normalize_path($font, 0);
if (function_exists('imagettftext')) {
$text1 = mt_rand(100, 4500);
} else {
$text1 = mt_rand(100, 999);
}
$text2 = mt_rand(2, 9);
$roit = mt_rand(1, 5);
$text = "{$text1}";
$answ = $text1;
$x = 100;
$y = 20;
$image = @imagecreate($x, 20) or die('Unable to render a CAPTCHA picture!');
$tcol1z = rand(1, 150);
$ttcol1z1 = rand(0, 150);
$tcol1z11 = rand(0, 150);
$bgcolor = imagecolorallocate($image, 255, 255, 255);
$gray = imagecolorallocate($image, 240, 240, 240);
// $black = imagecolorallocate($image, $tcol1z, $ttcol1z1, $tcol1z11);
$black = imagecolorallocate($image, 0, 0, 0);
$captcha_sid = 'captcha';
if (isset($params['id'])) {
$captcha_sid = 'captcha_' . $params['id'];
} elseif (isset($_GET['id'])) {
$captcha_sid = 'captcha_' . $_GET['id'];
}
$old = mw()->user_manager->session_get('captcha');
if ($old != false) {
$old_array = mw()->user_manager->session_get('captcha_recent');
if (!is_array($old_array)) {
$old_array = array();
}
array_unshift($old_array, $old);
array_slice($old_array, 20);
mw()->user_manager->session_set('captcha_recent', $old_array);
}
$sess = mw()->user_manager->session_set($captcha_sid, $answ);
$col1z = rand(200, 242);
$col1z1 = rand(150, 242);
$col1z11 = rand(150, 242);
$color1 = imagecolorallocate($image, $col1z, $col1z1, $tcol1z11);
$color2 = imagecolorallocate($image, $tcol1z - 1, $ttcol1z1 - 1, $tcol1z11 - 2);
// imagefill($image, 0, 0, $color1);
for ($i = 0; $i < $x; ++$i) {
for ($j = 0; $j < $y; ++$j) {
if (mt_rand(0, 20) < 10) {
//$coords = array(mt_rand(0, 10), mt_rand(0, 10), mt_rand(0, 10), mt_rand(0, 10), 5, 6);
$y21 = mt_rand(5, 20);
$this->captcha_vector($image, $x - mt_rand(0, 10), mt_rand(0, 10), mt_rand(0, 180), 200, $bgcolor);
// imagesetpixel($image, $i, $j, $color2);
}
}
}
$x1 = mt_rand(0, 5);
$y1 = mt_rand(20, 22);
$tsize = rand(13, 15);
$pad = 2;
// extra char spacing for text
if (function_exists('imagettftext')) {
imagettftext($image, $tsize, $roit, $x1, $y1, $black, $font, $text);
} else {
if (function_exists('imagestring')) {
$font = mw_includes_path() . DS . 'admin' . DS . 'catcha_fonts' . DS . 'font' . $roit1 . '.gdf';
$font = normalize_path($font, 0);
$font = imageloadfont($font);
imagestring($image, $font, 0, 0, $text, $black);
} else {
}
}
$s = 180;
$e = 360;
if (function_exists('imagefilter')) {
$filter_img = rand(1, 6);
switch ($filter_img) {
case 1:
$gaussian = array(array(1.0, 2.0, 1.0), array(2.0, 4.0, 2.0), array(1.0, 2.0, 1.0));
imageconvolution($image, $gaussian, 16, 0);
break;
// break;
// break;
case 3:
imagefilter($image, IMG_FILTER_PIXELATE, 1);
break;
default:
break;
}
}
$y21 = mt_rand(5, 20);
$this->captcha_vector($image, $x, $y21 / 2, 180, 200, $bgcolor);
$y21 = mt_rand(5, 20);
$this->captcha_vector($image, $x, $y21 / 2, $col1z11, 200, $bgcolor);
$y21 = mt_rand(5, 20);
$this->captcha_vector($image, $x / 3, $y21 / 3, $col1z11, 200, $bgcolor);
if (function_exists('imagestring')) {
$this->captcha_vector($image, $x / 3, $y21 / 3, $col1z11, 200, $gray);
imagestring($image, 0, $y21, 2, $text, $gray);
}
// $emboss = array(array(2, 0, 0), array(0, -1, 0), array(0, 0, -1));
// $embize = mt_rand(1, 4);
header('Content-type: image/png');
header('Cache-Control: no-store, no-cache, must-revalidate');
header('Cache-Control: post-check=0, pre-check=0', false);
header('Pragma: no-cache');
imagepng($image);
imagecolordeallocate($image, $bgcolor);
imagecolordeallocate($image, $black);
imagedestroy($image);
}
/**
* Draw the CAPTCHA code over the image
*
* @access private
*
*/
function drawWord()
{
$width2 = $this->image_width * $this->iscale;
$height2 = $this->image_height * $this->iscale;
if ($this->use_gd_font == true || !is_readable($this->ttf_file)) {
if (!is_int($this->gd_font_file)) {
//is a file name
$font = @imageloadfont($this->gd_font_file);
if ($font == false) {
trigger_error("Failed to load GD Font file {$this->gd_font_file} ", E_USER_WARNING);
return;
}
} else {
//gd font identifier
$font = $this->gd_font_file;
}
imagestring($this->im, $font, $this->text_x_start, $this->image_height / 2 - $this->gd_font_size / 2, $this->code, $this->gdtextcolor);
} else {
//ttf font
$font_size = $height2 * 0.35;
$bb = imagettfbbox($font_size, 0, $this->ttf_file, $this->code);
$tx = $bb[4] - $bb[0];
$ty = $bb[5] - $bb[1];
$x = floor($width2 / 2 - $tx / 2 - $bb[0]);
$y = round($height2 / 2 - $ty / 2 - $bb[1]);
$strlen = strlen($this->code);
if (!is_array($this->multi_text_color)) {
$this->use_multi_text = false;
}
if ($this->use_multi_text == false && $this->text_angle_minimum == 0 && $this->text_angle_maximum == 0) {
// no angled or multi-color characters
imagettftext($this->tmpimg, $font_size, 0, $x, $y, $this->gdtextcolor, $this->ttf_file, $this->code);
} else {
for ($i = 0; $i < $strlen; ++$i) {
$angle = rand($this->text_angle_minimum, $this->text_angle_maximum);
$y = rand($y - 5, $y + 5);
if ($this->use_multi_text == true) {
$font_color = $this->gdmulticolor[rand(0, sizeof($this->gdmulticolor) - 1)];
} else {
$font_color = $this->gdtextcolor;
}
$ch = $this->code[$i];
imagettftext($this->tmpimg, $font_size, $angle, $x, $y, $font_color, $this->ttf_file, $ch);
// estimate character widths to increment $x without creating spaces that are too large or too small
// these are best estimates to align text but may vary between fonts
// for optimal character widths, do not use multiple text colors or character angles and the complete string will be written by imagettftext
if (strpos('abcdeghknopqsuvxyz', $ch) !== false) {
$min_x = $font_size - $this->iscale * 6;
$max_x = $font_size - $this->iscale * 6;
} else {
if (strpos('ilI1', $ch) !== false) {
$min_x = $font_size / 5;
$max_x = $font_size / 3;
} else {
if (strpos('fjrt', $ch) !== false) {
$min_x = $font_size - $this->iscale * 12;
$max_x = $font_size - $this->iscale * 12;
} else {
if ($ch == 'wm') {
$min_x = $font_size;
$max_x = $font_size + $this->iscale * 3;
} else {
// numbers, capitals or unicode
$min_x = $font_size + $this->iscale * 2;
$max_x = $font_size + $this->iscale * 5;
}
}
}
}
$x += rand($min_x, $max_x);
}
//for loop
}
// angled or multi-color
}
//else ttf font
//$this->im = $this->tmpimg;
//$this->output();
}
/**
* 生成验证码图像，返回 QView_Output 对象
*
* $param string $code
*
* @return QView_Output
*/
function generateImage($code)
{
// 根据选项确定绘图选项
$padding = intval($this->_options['padding']);
if ($padding < 0) {
$padding = 0;
}
$color = $this->_options['color'];
$bgcolor = $this->_options['bgcolor'];
$border = $this->_options['border'];
$bdcolor = $this->_options['bdcolor'];
$float_pixel = intval($this->_options['float_pixel']);
// 确定要使用的字体
if (is_int($this->_options['font'])) {
$font = intval($this->_options['font']);
if ($font < 0 || $font > 5) {
$font = 5;
}
} else {
$font = imageloadfont($this->_options['font']);
}
// 确定字体宽度和高度
$font_width = imagefontwidth($font);
$font_height = imagefontheight($font);
// 确定图像的宽度和高度
$width = $font_width * strlen($code) + $padding * 2 + $border * 2 + 1;
$height = $font_height + $padding * 2 + $border * 2 + 1 + $float_pixel;
// 创建图像
$img = imagecreate($width, $height);
// 绘制边框
if ($border) {
list($r, $g, $b) = Helper_ImgCode::hex2rgb($bdcolor);
$color = imagecolorallocate($img, $r, $g, $b);
imagefilledrectangle($img, 0, 0, $width, $height, $color);
}
// 绘制背景
list($r, $g, $b) = Helper_ImgCode::hex2rgb($bgcolor);
$color = imagecolorallocate($img, $r, $g, $b);
imagefilledrectangle($img, $border, $border, $width - $border - 1, $height - $border - 1, $color);
// 绘制文字
list($r, $g, $b) = Helper_ImgCode::hex2rgb($color);
$color = imagecolorallocate($img, $r, $g, $b);
for ($i = 0, $max = strlen($code); $i < $max; $i++) {
imagestring($img, $font, $padding + $border + $font_width * $i, $padding + $border + mt_rand(0, $float_pixel), $code[$i], $color);
}
$filename = 'imgcode-' . mt_rand();
ob_start();
// 输出图像
switch (strtolower($this->_options['image_type'])) {
case 'png':
$filename .= '.png';
$mime = image_type_to_mime_type(IMAGETYPE_PNG);
imagepng($img);
break;
case 'gif':
$filename .= '.gif';
$mime = image_type_to_mime_type(IMAGETYPE_GIF);
imagegif($img);
break;
case 'jpg':
default:
$filename .= '.jpg';
$mime = image_type_to_mime_type(IMAGETYPE_JPEG);
imagejpeg($img);
}
imagedestroy($img);
unset($img);
$output = new QView_Output($filename, $mime, ob_get_clean());
$output->contentDisposition('inline')->enableClientCache(false);
return $output;
}
/**
*
*/
protected function loadFontFile()
{
$result = false;
$fpath = false;
$pA = explode(PATH_SEPARATOR, get_include_path());
foreach ($pA as $path) {
$fpath = $path . '/' . $this->font;
if (file_exists($fpath)) {
$result = true;
break;
}
}
if ($result === false) {
throw new BuildException(self::thisName . ': invalid font file.');
}
$this->font = imageloadfont($fpath);
}
imageline($image, mt_rand(0, $width), mt_rand(0, $height), mt_rand(0, $width), mt_rand(0, $height), $noise_color);
}
}
if ($ttf_supported) {
$textbox = imagettfbbox($font_size, 0, $font, $code);
$x = ($width - $textbox[4]) / 2;
$y = ($height - $textbox[5]) / 2;
imagettftext($image, $font_size, 0, $x, $y, $text_color, $font, $code);
} else {
$x = 4;
$y = 5;
imagestring($image, $font_ballback, $x, $y, $code, $text_color);
}
/* create textbox and add text*/
$textbox = imagettfbbox($font_size, 0, $font, $code) or die('Error in imagettfbbox function');
$x = ($width - $textbox[4]) / 2;
$y = ($height - $textbox[5]) / 2;
imagettftext($image, $font_size, 0, $x, $y, $text_color, $font, $code) or die('Error in imagettftext function');
/*output captcha image to browser */
header('Content-Type: image/jpeg');
imagejpeg($image);
imagedestroy($image);
$_SESSION['security_code'] = $code;
}
}
$width = 90;
$height = 30;
$characters = 6;
$font = KU_ROOTDIR . 'lib/fonts/monofont.ttf';
$font_fallback = imageloadfont(KU_ROOTDIR . 'lib/fonts/captchafont.gdf');
$captcha = new CaptchaSecurityImages($width, $height, $characters, $font);
/**
* captchaAction
*
* Create captcha
*/
public function captchaAction()
{
// Set views layout to empty
$this->_helper->layout()->setLayout('empty');
// generate code with 5 characters
$security_code = $this->generateCode(5);
// start session so user input can be compared to $security_code
$session = new Zend_Session_Namespace('registration');
$session->security_code = md5($security_code);
// Set the image width and height
$width = 150;
$height = 48;
// Create the image resource
$image = ImageCreate($width, $height);
// Set the font
$font = imageloadfont("images/anonymous.gdf");
// define colors used in image
$white = ImageColorAllocate($image, 255, 255, 255);
$blue = ImageColorAllocate($image, 51, 102, 153);
$green = ImageColorAllocate($image, 112, 191, 12);
$black = ImageColorAllocate($image, 0, 0, 0);
$grey = ImageColorAllocate($image, 150, 150, 150);
//Make the background blue
ImageFill($image, 0, 0, $blue);
//Generate random(ish) position for image text
$text_x = mt_rand(-2, 30);
$text_y = mt_rand(-2, 10);
//Add randomly generated string in white to the image
ImageString($image, $font, $text_x, $text_y, strtoupper($security_code), $white);
//Throw in some lines to make it a little bit harder for any bots to break
$s = $width * $height / 500;
for ($i = 0; $i < $s; $i++) {
imageline($image, mt_rand(0, $width), mt_rand(0, $height), mt_rand(0, $width), mt_rand(0, $height), $grey);
}
// end for
// borders for captcha; syntax is (image, Xstart, Ystart, Xend, Yend, color)
/*
imageline($image, 0, 0, $width, 0, $blue); //topl-topr
imageline($image, 0, $height-1, $width, $height-1, $blue); //btml-btmr
imageline($image, 0, 0, 0, $height, $blue); //topl-btml
imageline($image, $width-1, 0, $width-1, $height, $blue); //topr-btmr
*/
$this->view->image = $image;
}
/**
* Actually uploads the file, and act on it according to the set processing class variables
*
* This function copies the uploaded file to the given location, eventually performing actions on it.
* Typically, you can call {@link process} several times for the same file,
* for instance to create a resized image and a thumbnail of the same file.
* The original uploaded file remains intact in its temporary location, so you can use {@link process} several times.
* You will be able to delete the uploaded file with {@link clean} when you have finished all your {@link process} calls.
*
* According to the processing class variables set in the calling file, the file can be renamed,
* and if it is an image, can be resized or converted.
*
* When the processing is completed, and the file copied to its new location, the
* processing class variables will be reset to their default value.
* This allows you to set new properties, and perform another {@link process} on the same uploaded file
*
* If the function is called with a null or empty argument, then it will return the content of the picture
*
* It will set {@link processed} (and {@link error} is an error occurred)
*
* @access public
* @param string $server_path Optional path location of the uploaded file, with an ending slash
* @return string Optional content of the image
*/
function process($server_path = null)
{
$this->error = '';
$this->processed = true;
$return_mode = false;
$return_content = null;
// clean up dst variables
$this->file_dst_path = '';
$this->file_dst_pathname = '';
$this->file_dst_name = '';
$this->file_dst_name_body = '';
$this->file_dst_name_ext = '';
if (!$this->uploaded) {
$this->error = $this->translate('file_not_uploaded');
$this->processed = false;
}
if ($this->processed) {
if (empty($server_path) || is_null($server_path)) {
$this->log .= '<b>process file and return the content</b><br />';
$return_mode = true;
} else {
if (strtolower(substr(PHP_OS, 0, 3)) === 'win') {
if (substr($server_path, -1, 1) != '\\') {
$server_path = $server_path . '\\';
}
} else {
if (substr($server_path, -1, 1) != '/') {
$server_path = $server_path . '/';
}
}
$this->log .= '<b>process file to ' . $server_path . '</b><br />';
}
}
if ($this->processed) {
// checks file max size
if ($this->file_src_size > $this->file_max_size) {
$this->processed = false;
$this->error = $this->translate('file_too_big');
} else {
$this->log .= '- file size OK<br />';
}
}
if ($this->processed) {
// if we have an image without extension, set it
if ($this->file_is_image && !$this->file_src_name_ext_) {
$this->file_src_name_ext = $this->file_src_name_ext_ = $this->image_src_type;
}
// turn dangerous scripts into text files
if ($this->no_script) {
if ((substr($this->file_src_mime, 0, 5) == 'text/' && $this->file_src_mime != 'text/rtf' || strpos($this->file_src_mime, 'javascript') !== false) && substr($this->file_src_name, -4) != '.txt' || preg_match('/\\.(php|pl|py|cgi|asp|js)$/i', $this->file_src_name) || empty($this->file_src_name_ext_)) {
$this->file_src_mime = 'text/plain';
$this->log .= '- script ' . $this->file_src_name . ' renamed as ' . $this->file_src_name . '.txt!<br />';
$this->file_src_name_ext = $this->file_src_name_ext_ . (empty($this->file_src_name_ext_) ? 'txt' : '.txt');
}
}
if ($this->mime_check && empty($this->file_src_mime)) {
$this->processed = false;
$this->error = $this->translate('no_mime');
} else {
if ($this->mime_check && !empty($this->file_src_mime) && strpos($this->file_src_mime, '/') !== false) {
list($m1, $m2) = explode('/', $this->file_src_mime);
$allowed = false;
// check wether the mime type is allowed
foreach ($this->allowed as $k => $v) {
list($v1, $v2) = explode('/', $v);
if ($v1 == '*' && $v2 == '*' || $v1 == $m1 && ($v2 == $m2 || $v2 == '*')) {
$allowed = true;
break;
}
}
// check wether the mime type is forbidden
foreach ($this->forbidden as $k => $v) {
list($v1, $v2) = explode('/', $v);
if ($v1 == '*' && $v2 == '*' || $v1 == $m1 && ($v2 == $m2 || $v2 == '*')) {
$allowed = false;
break;
}
}
if (!$allowed) {
$this->processed = false;
$this->error = $this->translate('incorrect_file');
} else {
$this->log .= '- file mime OK : ' . $this->file_src_mime . '<br />';
}
} else {
$this->log .= '- file mime (not checked) : ' . $this->file_src_mime . '<br />';
}
}
// if the file is an image, we can check on its dimensions
// these checks are not available if open_basedir restrictions are in place
if ($this->file_is_image) {
if (is_numeric($this->image_src_x) && is_numeric($this->image_src_y)) {
$ratio = $this->image_src_x / $this->image_src_y;
if (!is_null($this->image_max_width) && $this->image_src_x > $this->image_max_width) {
$this->processed = false;
$this->error = $this->translate('image_too_wide');
}
if (!is_null($this->image_min_width) && $this->image_src_x < $this->image_min_width) {
$this->processed = false;
$this->error = $this->translate('image_too_narrow');
}
if (!is_null($this->image_max_height) && $this->image_src_y > $this->image_max_height) {
$this->processed = false;
$this->error = $this->translate('image_too_high');
}
if (!is_null($this->image_min_height) && $this->image_src_y < $this->image_min_height) {
$this->processed = false;
$this->error = $this->translate('image_too_short');
}
if (!is_null($this->image_max_ratio) && $ratio > $this->image_max_ratio) {
$this->processed = false;
$this->error = $this->translate('ratio_too_high');
}
if (!is_null($this->image_min_ratio) && $ratio < $this->image_min_ratio) {
$this->processed = false;
$this->error = $this->translate('ratio_too_low');
}
if (!is_null($this->image_max_pixels) && $this->image_src_pixels > $this->image_max_pixels) {
$this->processed = false;
$this->error = $this->translate('too_many_pixels');
}
if (!is_null($this->image_min_pixels) && $this->image_src_pixels < $this->image_min_pixels) {
$this->processed = false;
$this->error = $this->translate('not_enough_pixels');
}
} else {
$this->log .= '- no image properties available, can\'t enforce dimension checks : ' . $this->file_src_mime . '<br />';
}
}
}
if ($this->processed) {
$this->file_dst_path = $server_path;
// repopulate dst variables from src
$this->file_dst_name = $this->file_src_name;
$this->file_dst_name_body = $this->file_src_name_body;
$this->file_dst_name_ext = $this->file_src_name_ext;
if ($this->file_overwrite) {
$this->file_auto_rename = false;
}
if ($this->image_convert != '') {
// if we convert as an image
$this->file_dst_name_ext = $this->image_convert;
$this->log .= '- new file name ext : ' . $this->image_convert . '<br />';
}
if ($this->file_new_name_body != '') {
// rename file body
$this->file_dst_name_body = $this->file_new_name_body;
$this->log .= '- new file name body : ' . $this->file_new_name_body . '<br />';
}
if ($this->file_new_name_ext != '') {
// rename file ext
$this->file_dst_name_ext = $this->file_new_name_ext;
$this->log .= '- new file name ext : ' . $this->file_new_name_ext . '<br />';
}
if ($this->file_name_body_add != '') {
// append a string to the name
$this->file_dst_name_body = $this->file_dst_name_body . $this->file_name_body_add;
$this->log .= '- file name body append : ' . $this->file_name_body_add . '<br />';
}
if ($this->file_name_body_pre != '') {
// prepend a string to the name
$this->file_dst_name_body = $this->file_name_body_pre . $this->file_dst_name_body;
$this->log .= '- file name body prepend : ' . $this->file_name_body_pre . '<br />';
}
if ($this->file_safe_name) {
// formats the name
$this->file_dst_name_body = str_replace(array(' ', '-'), array('_', '_'), $this->file_dst_name_body);
$this->file_dst_name_body = preg_replace('/[^A-Za-z0-9_]/', '', $this->file_dst_name_body);
$this->log .= '- file name safe format<br />';
}
$this->log .= '- destination variables<br />';
if (empty($this->file_dst_path) || is_null($this->file_dst_path)) {
$this->log .= ' file_dst_path : n/a<br />';
} else {
$this->log .= ' file_dst_path : ' . $this->file_dst_path . '<br />';
}
$this->log .= ' file_dst_name_body : ' . $this->file_dst_name_body . '<br />';
$this->log .= ' file_dst_name_ext : ' . $this->file_dst_name_ext . '<br />';
// do we do some image manipulation?
$image_manipulation = $this->file_is_image && ($this->image_resize || $this->image_convert != '' || is_numeric($this->image_brightness) || is_numeric($this->image_contrast) || is_numeric($this->image_threshold) || !empty($this->image_tint_color) || !empty($this->image_overlay_color) || $this->image_unsharp || !empty($this->image_text) || $this->image_greyscale || $this->image_negative || !empty($this->image_watermark) || is_numeric($this->image_rotate) || is_numeric($this->jpeg_size) || !empty($this->image_flip) || !empty($this->image_crop) || !empty($this->image_precrop) || !empty($this->image_border) || $this->image_frame > 0 || $this->image_bevel > 0 || $this->image_reflection_height);
if ($image_manipulation) {
if ($this->image_convert == '') {
$this->file_dst_name = $this->file_dst_name_body . (!empty($this->file_dst_name_ext) ? '.' . $this->file_dst_name_ext : '');
$this->log .= '- image operation, keep extension<br />';
} else {
$this->file_dst_name = $this->file_dst_name_body . '.' . $this->image_convert;
$this->log .= '- image operation, change extension for conversion type<br />';
}
} else {
$this->file_dst_name = $this->file_dst_name_body . (!empty($this->file_dst_name_ext) ? '.' . $this->file_dst_name_ext : '');
$this->log .= '- no image operation, keep extension<br />';
}
if (!$return_mode) {
if (!$this->file_auto_rename) {
$this->log .= '- no auto_rename if same filename exists<br />';
$this->file_dst_pathname = $this->file_dst_path . $this->file_dst_name;
} else {
$this->log .= '- checking for auto_rename<br />';
$this->file_dst_pathname = $this->file_dst_path . $this->file_dst_name;
$body = $this->file_dst_name_body;
$cpt = 1;
while (@file_exists($this->file_dst_pathname)) {
$this->file_dst_name_body = $body . '_' . $cpt;
$this->file_dst_name = $this->file_dst_name_body . (!empty($this->file_dst_name_ext) ? '.' . $this->file_dst_name_ext : '');
$cpt++;
$this->file_dst_pathname = $this->file_dst_path . $this->file_dst_name;
}
if ($cpt > 1) {
$this->log .= ' auto_rename to ' . $this->file_dst_name . '<br />';
}
}
$this->log .= '- destination file details<br />';
$this->log .= ' file_dst_name : ' . $this->file_dst_name . '<br />';
$this->log .= ' file_dst_pathname : ' . $this->file_dst_pathname . '<br />';
if ($this->file_overwrite) {
$this->log .= '- no overwrite checking<br />';
} else {
if (@file_exists($this->file_dst_pathname)) {
$this->processed = false;
$this->error = $this->translate('already_exists', array($this->file_dst_name));
} else {
$this->log .= '- ' . $this->file_dst_name . ' doesn\'t exist already<br />';
}
}
}
}
if ($this->processed) {
// if we have already moved the uploaded file, we use the temporary copy as source file, and check if it exists
if (!empty($this->file_src_temp)) {
$this->log .= '- use the temp file instead of the original file since it is a second process<br />';
$this->file_src_pathname = $this->file_src_temp;
if (!file_exists($this->file_src_pathname)) {
$this->processed = false;
$this->error = $this->translate('temp_file_missing');
}
// if we haven't a temp file, and that we do check on uploads, we use is_uploaded_file()
} else {
if (!$this->no_upload_check) {
if (!is_uploaded_file($this->file_src_pathname)) {
$this->processed = false;
$this->error = $this->translate('source_missing');
}
// otherwise, if we don't check on uploaded files (local file for instance), we use file_exists()
} else {
if (!file_exists($this->file_src_pathname)) {
$this->processed = false;
$this->error = $this->translate('source_missing');
}
}
}
// checks if the destination directory exists, and attempt to create it
if (!$return_mode) {
if ($this->processed && !file_exists($this->file_dst_path)) {
if ($this->dir_auto_create) {
$this->log .= '- ' . $this->file_dst_path . ' doesn\'t exist. Attempting creation:';
if (!$this->rmkdir($this->file_dst_path, $this->dir_chmod)) {
$this->log .= ' failed<br />';
$this->processed = false;
$this->error = $this->translate('destination_dir');
} else {
$this->log .= ' success<br />';
}
} else {
$this->error = $this->translate('destination_dir_missing');
}
}
if ($this->processed && !is_dir($this->file_dst_path)) {
$this->processed = false;
$this->error = $this->translate('destination_path_not_dir');
}
// checks if the destination directory is writeable, and attempt to make it writeable
$hash = md5($this->file_dst_name_body . rand(1, 1000));
if ($this->processed && !($f = @fopen($this->file_dst_path . $hash . '.' . $this->file_dst_name_ext, 'a+'))) {
if ($this->dir_auto_chmod) {
$this->log .= '- ' . $this->file_dst_path . ' is not writeable. Attempting chmod:';
if (!@chmod($this->file_dst_path, $this->dir_chmod)) {
$this->log .= ' failed<br />';
$this->processed = false;
$this->error = $this->translate('destination_dir_write');
} else {
$this->log .= ' success<br />';
if (!($f = @fopen($this->file_dst_path . $hash . '.' . $this->file_dst_name_ext, 'a+'))) {
// we re-check
$this->processed = false;
$this->error = $this->translate('destination_dir_write');
} else {
@fclose($f);
}
}
} else {
$this->processed = false;
$this->error = $this->translate('destination_path_write');
}
} else {
if ($this->processed) {
@fclose($f);
}
@unlink($this->file_dst_path . $hash . '.' . $this->file_dst_name_ext);
}
// if we have an uploaded file, and if it is the first process, and if we can't access the file directly (open_basedir restriction)
// then we create a temp file that will be used as the source file in subsequent processes
// the third condition is there to check if the file is not accessible *directly* (it already has positively gone through is_uploaded_file(), so it exists)
if (!$this->no_upload_check && empty($this->file_src_temp) && !@file_exists($this->file_src_pathname)) {
$this->log .= '- attempting to use a temp file:';
$hash = md5($this->file_dst_name_body . rand(1, 1000));
if (move_uploaded_file($this->file_src_pathname, $this->file_dst_path . $hash . '.' . $this->file_dst_name_ext)) {
$this->file_src_pathname = $this->file_dst_path . $hash . '.' . $this->file_dst_name_ext;
$this->file_src_temp = $this->file_src_pathname;
$this->log .= ' file created<br />';
$this->log .= ' temp file is: ' . $this->file_src_temp . '<br />';
} else {
$this->log .= ' failed<br />';
$this->processed = false;
$this->error = $this->translate('temp_file');
}
}
}
}
if ($this->processed) {
// we do a quick check to ensure the file is really an image
// we can do this only now, as it would have failed before in case of open_basedir
if ($image_manipulation && !@getimagesize($this->file_src_pathname)) {
$this->log .= '- the file is not an image!<br />';
$image_manipulation = false;
}
if ($image_manipulation) {
// checks if the source file is readable
if ($this->processed && !($f = @fopen($this->file_src_pathname, 'r'))) {
$this->processed = false;
$this->error = $this->translate('source_not_readable');
} else {
@fclose($f);
}
// we now do all the image manipulations
$this->log .= '- image resizing or conversion wanted<br />';
if ($this->gdversion()) {
switch ($this->image_src_type) {
case 'jpg':
if (!function_exists('imagecreatefromjpeg')) {
$this->processed = false;
$this->error = $this->translate('no_create_support', array('JPEG'));
} else {
$image_src = @imagecreatefromjpeg($this->file_src_pathname);
if (!$image_src) {
$this->processed = false;
$this->error = $this->translate('create_error', array('JPEG'));
} else {
$this->log .= '- source image is JPEG<br />';
}
}
break;
case 'png':
if (!function_exists('imagecreatefrompng')) {
$this->processed = false;
$this->error = $this->translate('no_create_support', array('PNG'));
} else {
$image_src = @imagecreatefrompng($this->file_src_pathname);
if (!$image_src) {
$this->processed = false;
$this->error = $this->translate('create_error', array('PNG'));
} else {
$this->log .= '- source image is PNG<br />';
}
}
break;
case 'gif':
if (!function_exists('imagecreatefromgif')) {
$this->processed = false;
$this->error = $this->translate('no_create_support', array('GIF'));
} else {
$image_src = @imagecreatefromgif($this->file_src_pathname);
if (!$image_src) {
$this->processed = false;
$this->error = $this->translate('create_error', array('GIF'));
} else {
$this->log .= '- source image is GIF<br />';
}
}
break;
case 'bmp':
if (!method_exists($this, 'imagecreatefrombmp')) {
$this->processed = false;
$this->error = $this->translate('no_create_support', array('BMP'));
} else {
$image_src = @$this->imagecreatefrombmp($this->file_src_pathname);
if (!$image_src) {
$this->processed = false;
$this->error = $this->translate('create_error', array('BMP'));
} else {
$this->log .= '- source image is BMP<br />';
}
}
break;
default:
$this->processed = false;
$this->error = $this->translate('source_invalid');
}
} else {
$this->processed = false;
$this->error = $this->translate('gd_missing');
}
if ($this->processed && $image_src) {
// we have to set image_convert if it is not already
if (empty($this->image_convert)) {
$this->log .= '- setting destination file type to ' . $this->file_src_name_ext . '<br />';
$this->image_convert = $this->file_src_name_ext;
}
if (!in_array($this->image_convert, $this->image_supported)) {
$this->image_convert = 'jpg';
}
// we set the default color to be the background color if we don't output in a transparent format
if ($this->image_convert != 'png' && $this->image_convert != 'gif' && !empty($this->image_default_color) && empty($this->image_background_color)) {
$this->image_background_color = $this->image_default_color;
}
if (!empty($this->image_background_color)) {
$this->image_default_color = $this->image_background_color;
}
if (empty($this->image_default_color)) {
$this->image_default_color = '#FFFFFF';
}
$this->image_src_x = imagesx($image_src);
$this->image_src_y = imagesy($image_src);
$gd_version = $this->gdversion();
$ratio_crop = null;
if (!imageistruecolor($image_src)) {
// $this->image_src_type == 'gif'
$this->log .= '- image is detected as having a palette<br />';
$this->image_is_palette = true;
$this->image_transparent_color = imagecolortransparent($image_src);
if ($this->image_transparent_color >= 0 && imagecolorstotal($image_src) > $this->image_transparent_color) {
$this->image_is_transparent = true;
$this->log .= ' palette image is detected as transparent<br />';
}
// if the image has a palette (GIF), we convert it to true color, preserving transparency
$this->log .= ' convert palette image to true color<br />';
$true_color = imagecreatetruecolor($this->image_src_x, $this->image_src_y);
imagealphablending($true_color, false);
imagesavealpha($true_color, true);
for ($x = 0; $x < $this->image_src_x; $x++) {
for ($y = 0; $y < $this->image_src_y; $y++) {
if ($this->image_transparent_color >= 0 && imagecolorat($image_src, $x, $y) == $this->image_transparent_color) {
imagesetpixel($true_color, $x, $y, 127 << 24);
} else {
$rgb = imagecolorsforindex($image_src, imagecolorat($image_src, $x, $y));
imagesetpixel($true_color, $x, $y, $rgb['alpha'] << 24 | $rgb['red'] << 16 | $rgb['green'] << 8 | $rgb['blue']);
}
}
}
$image_src = $this->imagetransfer($true_color, $image_src);
imagealphablending($image_src, false);
imagesavealpha($image_src, true);
$this->image_is_palette = false;
}
$image_dst =& $image_src;
// pre-crop image, before resizing
if (!empty($this->image_precrop)) {
if (is_array($this->image_precrop)) {
$vars = $this->image_precrop;
} else {
$vars = explode(' ', $this->image_precrop);
}
if (sizeof($vars) == 4) {
$ct = $vars[0];
$cr = $vars[1];
$cb = $vars[2];
$cl = $vars[3];
} else {
if (sizeof($vars) == 2) {
$ct = $vars[0];
$cr = $vars[1];
$cb = $vars[0];
$cl = $vars[1];
} else {
$ct = $vars[0];
$cr = $vars[0];
$cb = $vars[0];
$cl = $vars[0];
}
}
if (strpos($ct, '%') > 0) {
$ct = $this->image_src_y * (str_replace('%', '', $ct) / 100);
}
if (strpos($cr, '%') > 0) {
$cr = $this->image_src_x * (str_replace('%', '', $cr) / 100);
}
if (strpos($cb, '%') > 0) {
$cb = $this->image_src_y * (str_replace('%', '', $cb) / 100);
}
if (strpos($cl, '%') > 0) {
$cl = $this->image_src_x * (str_replace('%', '', $cl) / 100);
}
if (strpos($ct, 'px') > 0) {
$ct = str_replace('px', '', $ct);
}
if (strpos($cr, 'px') > 0) {
$cr = str_replace('px', '', $cr);
}
if (strpos($cb, 'px') > 0) {
$cb = str_replace('px', '', $cb);
}
if (strpos($cl, 'px') > 0) {
$cl = str_replace('px', '', $cl);
}
$ct = (int) $ct;
$cr = (int) $cr;
$cb = (int) $cb;
$cl = (int) $cl;
$this->log .= '- pre-crop image : ' . $ct . ' ' . $cr . ' ' . $cb . ' ' . $cl . ' <br />';
$this->image_src_x = $this->image_src_x - $cl - $cr;
$this->image_src_y = $this->image_src_y - $ct - $cb;
if ($this->image_src_x < 1) {
$this->image_src_x = 1;
}
if ($this->image_src_y < 1) {
$this->image_src_y = 1;
}
$tmp = $this->imagecreatenew($this->image_src_x, $this->image_src_y);
// we copy the image into the recieving image
imagecopy($tmp, $image_dst, 0, 0, $cl, $ct, $this->image_src_x, $this->image_src_y);
// if we crop with negative margins, we have to make sure the extra bits are the right color, or transparent
if ($ct < 0 || $cr < 0 || $cb < 0 || $cl < 0) {
// use the background color if present
if (!empty($this->image_background_color)) {
list($red, $green, $blue) = $this->getcolors($this->image_background_color);
$fill = imagecolorallocate($tmp, $red, $green, $blue);
} else {
$fill = imagecolorallocatealpha($tmp, 0, 0, 0, 127);
}
// fills eventual negative margins
if ($ct < 0) {
imagefilledrectangle($tmp, 0, 0, $this->image_src_x, -$ct, $fill);
}
if ($cr < 0) {
imagefilledrectangle($tmp, $this->image_src_x + $cr, 0, $this->image_src_x, $this->image_src_y, $fill);
}
if ($cb < 0) {
imagefilledrectangle($tmp, 0, $this->image_src_y + $cb, $this->image_src_x, $this->image_src_y, $fill);
}
if ($cl < 0) {
imagefilledrectangle($tmp, 0, 0, -$cl, $this->image_src_y, $fill);
}
}
// we transfert tmp into image_dst
$image_dst = $this->imagetransfer($tmp, $image_dst);
}
// resize image (and move image_src_x, image_src_y dimensions into image_dst_x, image_dst_y)
if ($this->image_resize) {
$this->log .= '- resizing...<br />';
if ($this->image_ratio_x) {
$this->log .= ' calculate x size<br />';
$this->image_dst_x = round($this->image_src_x * $this->image_y / $this->image_src_y);
$this->image_dst_y = $this->image_y;
} else {
if ($this->image_ratio_y) {
$this->log .= ' calculate y size<br />';
$this->image_dst_x = $this->image_x;
$this->image_dst_y = round($this->image_src_y * $this->image_x / $this->image_src_x);
} else {
if (is_numeric($this->image_ratio_pixels)) {
$this->log .= ' calculate x/y size to match a number of pixels<br />';
$pixels = $this->image_src_y * $this->image_src_x;
$diff = sqrt($this->image_ratio_pixels / $pixels);
$this->image_dst_x = round($this->image_src_x * $diff);
$this->image_dst_y = round($this->image_src_y * $diff);
} else {
if ($this->image_ratio || $this->image_ratio_crop || $this->image_ratio_fill || $this->image_ratio_no_zoom_in || $this->image_ratio_no_zoom_out) {
$this->log .= ' check x/y sizes<br />';
if (!$this->image_ratio_no_zoom_in && !$this->image_ratio_no_zoom_out || $this->image_ratio_no_zoom_in && ($this->image_src_x > $this->image_x || $this->image_src_y > $this->image_y) || $this->image_ratio_no_zoom_out && $this->image_src_x < $this->image_x && $this->image_src_y < $this->image_y) {
$this->image_dst_x = $this->image_x;
$this->image_dst_y = $this->image_y;
if ($this->image_ratio_crop) {
if (!is_string($this->image_ratio_crop)) {
$this->image_ratio_crop = '';
}
$this->image_ratio_crop = strtolower($this->image_ratio_crop);
if ($this->image_src_x / $this->image_x > $this->image_src_y / $this->image_y) {
$this->image_dst_y = $this->image_y;
$this->image_dst_x = intval($this->image_src_x * ($this->image_y / $this->image_src_y));
$ratio_crop = array();
$ratio_crop['x'] = $this->image_dst_x - $this->image_x;
if (strpos($this->image_ratio_crop, 'l') !== false) {
$ratio_crop['l'] = 0;
$ratio_crop['r'] = $ratio_crop['x'];
} else {
if (strpos($this->image_ratio_crop, 'r') !== false) {
$ratio_crop['l'] = $ratio_crop['x'];
$ratio_crop['r'] = 0;
} else {
$ratio_crop['l'] = round($ratio_crop['x'] / 2);
$ratio_crop['r'] = $ratio_crop['x'] - $ratio_crop['l'];
}
}
$this->log .= ' ratio_crop_x : ' . $ratio_crop['x'] . ' (' . $ratio_crop['l'] . ';' . $ratio_crop['r'] . ')<br />';
if (is_null($this->image_crop)) {
$this->image_crop = array(0, 0, 0, 0);
}
} else {
$this->image_dst_x = $this->image_x;
$this->image_dst_y = intval($this->image_src_y * ($this->image_x / $this->image_src_x));
$ratio_crop = array();
$ratio_crop['y'] = $this->image_dst_y - $this->image_y;
if (strpos($this->image_ratio_crop, 't') !== false) {
$ratio_crop['t'] = 0;
$ratio_crop['b'] = $ratio_crop['y'];
} else {
if (strpos($this->image_ratio_crop, 'b') !== false) {
$ratio_crop['t'] = $ratio_crop['y'];
$ratio_crop['b'] = 0;
} else {
$ratio_crop['t'] = round($ratio_crop['y'] / 2);
$ratio_crop['b'] = $ratio_crop['y'] - $ratio_crop['t'];
}
}
$this->log .= ' ratio_crop_y : ' . $ratio_crop['y'] . ' (' . $ratio_crop['t'] . ';' . $ratio_crop['b'] . ')<br />';
if (is_null($this->image_crop)) {
$this->image_crop = array(0, 0, 0, 0);
}
}
} else {
if ($this->image_ratio_fill) {
if (!is_string($this->image_ratio_fill)) {
$this->image_ratio_fill = '';
}
$this->image_ratio_fill = strtolower($this->image_ratio_fill);
if ($this->image_src_x / $this->image_x < $this->image_src_y / $this->image_y) {
$this->image_dst_y = $this->image_y;
$this->image_dst_x = intval($this->image_src_x * ($this->image_y / $this->image_src_y));
$ratio_crop = array();
$ratio_crop['x'] = $this->image_dst_x - $this->image_x;
if (strpos($this->image_ratio_fill, 'l') !== false) {
$ratio_crop['l'] = 0;
$ratio_crop['r'] = $ratio_crop['x'];
} else {
if (strpos($this->image_ratio_fill, 'r') !== false) {
$ratio_crop['l'] = $ratio_crop['x'];
$ratio_crop['r'] = 0;
} else {
$ratio_crop['l'] = round($ratio_crop['x'] / 2);
$ratio_crop['r'] = $ratio_crop['x'] - $ratio_crop['l'];
}
}
$this->log .= ' ratio_fill_x : ' . $ratio_crop['x'] . ' (' . $ratio_crop['l'] . ';' . $ratio_crop['r'] . ')<br />';
if (is_null($this->image_crop)) {
$this->image_crop = array(0, 0, 0, 0);
}
} else {
$this->image_dst_x = $this->image_x;
$this->image_dst_y = intval($this->image_src_y * ($this->image_x / $this->image_src_x));
$ratio_crop = array();
$ratio_crop['y'] = $this->image_dst_y - $this->image_y;
if (strpos($this->image_ratio_fill, 't') !== false) {
$ratio_crop['t'] = 0;
$ratio_crop['b'] = $ratio_crop['y'];
} else {
if (strpos($this->image_ratio_fill, 'b') !== false) {
$ratio_crop['t'] = $ratio_crop['y'];
$ratio_crop['b'] = 0;
} else {
$ratio_crop['t'] = round($ratio_crop['y'] / 2);
$ratio_crop['b'] = $ratio_crop['y'] - $ratio_crop['t'];
}
}
$this->log .= ' ratio_fill_y : ' . $ratio_crop['y'] . ' (' . $ratio_crop['t'] . ';' . $ratio_crop['b'] . ')<br />';
if (is_null($this->image_crop)) {
$this->image_crop = array(0, 0, 0, 0);
}
}
} else {
if ($this->image_src_x / $this->image_x > $this->image_src_y / $this->image_y) {
$this->image_dst_x = $this->image_x;
$this->image_dst_y = intval($this->image_src_y * ($this->image_x / $this->image_src_x));
} else {
$this->image_dst_y = $this->image_y;
$this->image_dst_x = intval($this->image_src_x * ($this->image_y / $this->image_src_y));
}
}
}
} else {
$this->log .= ' doesn\'t calculate x/y sizes<br />';
$this->image_dst_x = $this->image_src_x;
$this->image_dst_y = $this->image_src_y;
}
} else {
$this->log .= ' use plain sizes<br />';
$this->image_dst_x = $this->image_x;
$this->image_dst_y = $this->image_y;
}
}
}
}
if ($this->image_dst_x < 1) {
$this->image_dst_x = 1;
}
if ($this->image_dst_y < 1) {
$this->image_dst_y = 1;
}
$tmp = $this->imagecreatenew($this->image_dst_x, $this->image_dst_y);
if ($gd_version >= 2) {
$res = imagecopyresampled($tmp, $image_src, 0, 0, 0, 0, $this->image_dst_x, $this->image_dst_y, $this->image_src_x, $this->image_src_y);
} else {
$res = imagecopyresized($tmp, $image_src, 0, 0, 0, 0, $this->image_dst_x, $this->image_dst_y, $this->image_src_x, $this->image_src_y);
}
$this->log .= ' resized image object created<br />';
$this->log .= ' image_src_x y : ' . $this->image_src_x . ' x ' . $this->image_src_y . '<br />';
$this->log .= ' image_dst_x y : ' . $this->image_dst_x . ' x ' . $this->image_dst_y . '<br />';
// we transfert tmp into image_dst
$image_dst = $this->imagetransfer($tmp, $image_dst);
} else {
$this->image_dst_x = $this->image_src_x;
$this->image_dst_y = $this->image_src_y;
}
// crop image (and also crops if image_ratio_crop is used)
if (!empty($this->image_crop) || !is_null($ratio_crop)) {
if (is_array($this->image_crop)) {
$vars = $this->image_crop;
} else {
$vars = explode(' ', $this->image_crop);
}
if (sizeof($vars) == 4) {
$ct = $vars[0];
$cr = $vars[1];
$cb = $vars[2];
$cl = $vars[3];
} else {
if (sizeof($vars) == 2) {
$ct = $vars[0];
$cr = $vars[1];
$cb = $vars[0];
$cl = $vars[1];
} else {
$ct = $vars[0];
$cr = $vars[0];
$cb = $vars[0];
$cl = $vars[0];
}
}
if (strpos($ct, '%') > 0) {
$ct = $this->image_dst_y * (str_replace('%', '', $ct) / 100);
}
if (strpos($cr, '%') > 0) {
$cr = $this->image_dst_x * (str_replace('%', '', $cr) / 100);
}
if (strpos($cb, '%') > 0) {
$cb = $this->image_dst_y * (str_replace('%', '', $cb) / 100);
}
if (strpos($cl, '%') > 0) {
$cl = $this->image_dst_x * (str_replace('%', '', $cl) / 100);
}
if (strpos($ct, 'px') > 0) {
$ct = str_replace('px', '', $ct);
}
if (strpos($cr, 'px') > 0) {
$cr = str_replace('px', '', $cr);
}
if (strpos($cb, 'px') > 0) {
$cb = str_replace('px', '', $cb);
}
if (strpos($cl, 'px') > 0) {
$cl = str_replace('px', '', $cl);
}
$ct = (int) $ct;
$cr = (int) $cr;
$cb = (int) $cb;
$cl = (int) $cl;
// we adjust the cropping if we use image_ratio_crop
if (!is_null($ratio_crop)) {
if (array_key_exists('t', $ratio_crop)) {
$ct += $ratio_crop['t'];
}
if (array_key_exists('r', $ratio_crop)) {
$cr += $ratio_crop['r'];
}
if (array_key_exists('b', $ratio_crop)) {
$cb += $ratio_crop['b'];
}
if (array_key_exists('l', $ratio_crop)) {
$cl += $ratio_crop['l'];
}
}
$this->log .= '- crop image : ' . $ct . ' ' . $cr . ' ' . $cb . ' ' . $cl . ' <br />';
$this->image_dst_x = $this->image_dst_x - $cl - $cr;
$this->image_dst_y = $this->image_dst_y - $ct - $cb;
if ($this->image_dst_x < 1) {
$this->image_dst_x = 1;
}
if ($this->image_dst_y < 1) {
$this->image_dst_y = 1;
}
$tmp = $this->imagecreatenew($this->image_dst_x, $this->image_dst_y);
// we copy the image into the recieving image
imagecopy($tmp, $image_dst, 0, 0, $cl, $ct, $this->image_dst_x, $this->image_dst_y);
// if we crop with negative margins, we have to make sure the extra bits are the right color, or transparent
if ($ct < 0 || $cr < 0 || $cb < 0 || $cl < 0) {
// use the background color if present
if (!empty($this->image_background_color)) {
list($red, $green, $blue) = $this->getcolors($this->image_background_color);
$fill = imagecolorallocate($tmp, $red, $green, $blue);
} else {
$fill = imagecolorallocatealpha($tmp, 0, 0, 0, 127);
}
// fills eventual negative margins
if ($ct < 0) {
imagefilledrectangle($tmp, 0, 0, $this->image_dst_x, -$ct - 1, $fill);
}
if ($cr < 0) {
imagefilledrectangle($tmp, $this->image_dst_x + $cr, 0, $this->image_dst_x, $this->image_dst_y, $fill);
}
if ($cb < 0) {
imagefilledrectangle($tmp, 0, $this->image_dst_y + $cb, $this->image_dst_x, $this->image_dst_y, $fill);
}
if ($cl < 0) {
imagefilledrectangle($tmp, 0, 0, -$cl - 1, $this->image_dst_y, $fill);
}
}
// we transfert tmp into image_dst
$image_dst = $this->imagetransfer($tmp, $image_dst);
}
// flip image
if ($gd_version >= 2 && !empty($this->image_flip)) {
$this->image_flip = strtolower($this->image_flip);
$this->log .= '- flip image : ' . $this->image_flip . '<br />';
$tmp = $this->imagecreatenew($this->image_dst_x, $this->image_dst_y);
for ($x = 0; $x < $this->image_dst_x; $x++) {
for ($y = 0; $y < $this->image_dst_y; $y++) {
if (strpos($this->image_flip, 'v') !== false) {
imagecopy($tmp, $image_dst, $this->image_dst_x - $x - 1, $y, $x, $y, 1, 1);
} else {
imagecopy($tmp, $image_dst, $x, $this->image_dst_y - $y - 1, $x, $y, 1, 1);
}
}
}
// we transfert tmp into image_dst
$image_dst = $this->imagetransfer($tmp, $image_dst);
}
// rotate image
if ($gd_version >= 2 && is_numeric($this->image_rotate)) {
if (!in_array($this->image_rotate, array(0, 90, 180, 270))) {
$this->image_rotate = 0;
}
if ($this->image_rotate != 0) {
if ($this->image_rotate == 90 || $this->image_rotate == 270) {
$tmp = $this->imagecreatenew($this->image_dst_y, $this->image_dst_x);
} else {
$tmp = $this->imagecreatenew($this->image_dst_x, $this->image_dst_y);
}
$this->log .= '- rotate image : ' . $this->image_rotate . '<br />';
for ($x = 0; $x < $this->image_dst_x; $x++) {
for ($y = 0; $y < $this->image_dst_y; $y++) {
if ($this->image_rotate == 90) {
imagecopy($tmp, $image_dst, $y, $x, $x, $this->image_dst_y - $y - 1, 1, 1);
} else {
if ($this->image_rotate == 180) {
imagecopy($tmp, $image_dst, $x, $y, $this->image_dst_x - $x - 1, $this->image_dst_y - $y - 1, 1, 1);
} else {
if ($this->image_rotate == 270) {
imagecopy($tmp, $image_dst, $y, $x, $this->image_dst_x - $x - 1, $y, 1, 1);
} else {
imagecopy($tmp, $image_dst, $x, $y, $x, $y, 1, 1);
}
}
}
}
}
if ($this->image_rotate == 90 || $this->image_rotate == 270) {
$t = $this->image_dst_y;
$this->image_dst_y = $this->image_dst_x;
$this->image_dst_x = $t;
}
// we transfert tmp into image_dst
$image_dst = $this->imagetransfer($tmp, $image_dst);
}
}
// unsharp mask
if ($gd_version >= 2 && $this->image_unsharp && is_numeric($this->image_unsharp_amount) && is_numeric($this->image_unsharp_radius) && is_numeric($this->image_unsharp_threshold)) {
// Unsharp Mask for PHP - version 2.1.1
// Unsharp mask algorithm by Torstein Hønsi 2003-07.
// Used with permission
// Modified to support alpha transparency
if ($this->image_unsharp_amount > 500) {
$this->image_unsharp_amount = 500;
}
$this->image_unsharp_amount = $this->image_unsharp_amount * 0.016;
if ($this->image_unsharp_radius > 50) {
$this->image_unsharp_radius = 50;
}
$this->image_unsharp_radius = $this->image_unsharp_radius * 2;
if ($this->image_unsharp_threshold > 255) {
$this->image_unsharp_threshold = 255;
}
$this->image_unsharp_radius = abs(round($this->image_unsharp_radius));
if ($this->image_unsharp_radius != 0) {
$this->image_dst_x = imagesx($image_dst);
$this->image_dst_y = imagesy($image_dst);
$canvas = $this->imagecreatenew($this->image_dst_x, $this->image_dst_y, false, true);
$blur = $this->imagecreatenew($this->image_dst_x, $this->image_dst_y, false, true);
if (function_exists('imageconvolution')) {
// PHP >= 5.1
$matrix = array(array(1, 2, 1), array(2, 4, 2), array(1, 2, 1));
imagecopy($blur, $image_dst, 0, 0, 0, 0, $this->image_dst_x, $this->image_dst_y);
imageconvolution($blur, $matrix, 16, 0);
} else {
for ($i = 0; $i < $this->image_unsharp_radius; $i++) {
imagecopy($blur, $image_dst, 0, 0, 1, 0, $this->image_dst_x - 1, $this->image_dst_y);
// left
$this->imagecopymergealpha($blur, $image_dst, 1, 0, 0, 0, $this->image_dst_x, $this->image_dst_y, 50);
// right
$this->imagecopymergealpha($blur, $image_dst, 0, 0, 0, 0, $this->image_dst_x, $this->image_dst_y, 50);
// center
imagecopy($canvas, $blur, 0, 0, 0, 0, $this->image_dst_x, $this->image_dst_y);
$this->imagecopymergealpha($blur, $canvas, 0, 0, 0, 1, $this->image_dst_x, $this->image_dst_y - 1, 33.33333);
// up
$this->imagecopymergealpha($blur, $canvas, 0, 1, 0, 0, $this->image_dst_x, $this->image_dst_y, 25);
// down
}
}
$p_new = array();
if ($this->image_unsharp_threshold > 0) {
for ($x = 0; $x < $this->image_dst_x - 1; $x++) {
for ($y = 0; $y < $this->image_dst_y; $y++) {
$p_orig = imagecolorsforindex($image_dst, imagecolorat($image_dst, $x, $y));
$p_blur = imagecolorsforindex($blur, imagecolorat($blur, $x, $y));
$p_new['red'] = abs($p_orig['red'] - $p_blur['red']) >= $this->image_unsharp_threshold ? max(0, min(255, $this->image_unsharp_amount * ($p_orig['red'] - $p_blur['red']) + $p_orig['red'])) : $p_orig['red'];
$p_new['green'] = abs($p_orig['green'] - $p_blur['green']) >= $this->image_unsharp_threshold ? max(0, min(255, $this->image_unsharp_amount * ($p_orig['green'] - $p_blur['green']) + $p_orig['green'])) : $p_orig['green'];
$p_new['blue'] = abs($p_orig['blue'] - $p_blur['blue']) >= $this->image_unsharp_threshold ? max(0, min(255, $this->image_unsharp_amount * ($p_orig['blue'] - $p_blur['blue']) + $p_orig['blue'])) : $p_orig['blue'];
if ($p_orig['red'] != $p_new['red'] || $p_orig['green'] != $p_new['green'] || $p_orig['blue'] != $p_new['blue']) {
$color = imagecolorallocatealpha($image_dst, $p_new['red'], $p_new['green'], $p_new['blue'], $p_orig['alpha']);
imagesetpixel($image_dst, $x, $y, $color);
}
}
}
} else {
for ($x = 0; $x < $this->image_dst_x; $x++) {
for ($y = 0; $y < $this->image_dst_y; $y++) {
$p_orig = imagecolorsforindex($image_dst, imagecolorat($image_dst, $x, $y));
$p_blur = imagecolorsforindex($blur, imagecolorat($blur, $x, $y));
$p_new['red'] = $this->image_unsharp_amount * ($p_orig['red'] - $p_blur['red']) + $p_orig['red'];
if ($p_new['red'] > 255) {
$p_new['red'] = 255;
} elseif ($p_new['red'] < 0) {
$p_new['red'] = 0;
}
$p_new['green'] = $this->image_unsharp_amount * ($p_orig['green'] - $p_blur['green']) + $p_orig['green'];
if ($p_new['green'] > 255) {
$p_new['green'] = 255;
} elseif ($p_new['green'] < 0) {
$p_new['green'] = 0;
}
$p_new['blue'] = $this->image_unsharp_amount * ($p_orig['blue'] - $p_blur['blue']) + $p_orig['blue'];
if ($p_new['blue'] > 255) {
$p_new['blue'] = 255;
} elseif ($p_new['blue'] < 0) {
$p_new['blue'] = 0;
}
$color = imagecolorallocatealpha($image_dst, $p_new['red'], $p_new['green'], $p_new['blue'], $p_orig['alpha']);
imagesetpixel($image_dst, $x, $y, $color);
}
}
}
imagedestroy($canvas);
imagedestroy($blur);
}
}
// add color overlay
if ($gd_version >= 2 && (is_numeric($this->image_overlay_percent) && $this->image_overlay_percent > 0 && !empty($this->image_overlay_color))) {
$this->log .= '- apply color overlay<br />';
list($red, $green, $blue) = $this->getcolors($this->image_overlay_color);
$filter = imagecreatetruecolor($this->image_dst_x, $this->image_dst_y);
$color = imagecolorallocate($filter, $red, $green, $blue);
imagefilledrectangle($filter, 0, 0, $this->image_dst_x, $this->image_dst_y, $color);
$this->imagecopymergealpha($image_dst, $filter, 0, 0, 0, 0, $this->image_dst_x, $this->image_dst_y, $this->image_overlay_percent);
imagedestroy($filter);
}
// add brightness, contrast and tint, turns to greyscale and inverts colors
if ($gd_version >= 2 && ($this->image_negative || $this->image_greyscale || is_numeric($this->image_threshold) || is_numeric($this->image_brightness) || is_numeric($this->image_contrast) || !empty($this->image_tint_color))) {
$this->log .= '- apply tint, light, contrast correction, negative, greyscale and threshold<br />';
if (!empty($this->image_tint_color)) {
list($tint_red, $tint_green, $tint_blue) = $this->getcolors($this->image_tint_color);
}
imagealphablending($image_dst, true);
for ($y = 0; $y < $this->image_dst_y; $y++) {
for ($x = 0; $x < $this->image_dst_x; $x++) {
if ($this->image_greyscale) {
$pixel = imagecolorsforindex($image_dst, imagecolorat($image_dst, $x, $y));
$r = $g = $b = round(0.2125 * $pixel['red'] + 0.7154 * $pixel['green'] + 0.0721 * $pixel['blue']);
$color = imagecolorallocatealpha($image_dst, $r, $g, $b, $pixel['alpha']);
imagesetpixel($image_dst, $x, $y, $color);
}
if (is_numeric($this->image_threshold)) {
$pixel = imagecolorsforindex($image_dst, imagecolorat($image_dst, $x, $y));
$c = round($pixel['red'] + $pixel['green'] + $pixel['blue']) / 3 - 127;
$r = $g = $b = $c > $this->image_threshold ? 255 : 0;
$color = imagecolorallocatealpha($image_dst, $r, $g, $b, $pixel['alpha']);
imagesetpixel($image_dst, $x, $y, $color);
}
if (is_numeric($this->image_brightness)) {
$pixel = imagecolorsforindex($image_dst, imagecolorat($image_dst, $x, $y));
$r = max(min(round($pixel['red'] + $this->image_brightness * 2), 255), 0);
$g = max(min(round($pixel['green'] + $this->image_brightness * 2), 255), 0);
$b = max(min(round($pixel['blue'] + $this->image_brightness * 2), 255), 0);
$color = imagecolorallocatealpha($image_dst, $r, $g, $b, $pixel['alpha']);
imagesetpixel($image_dst, $x, $y, $color);
}
if (is_numeric($this->image_contrast)) {
$pixel = imagecolorsforindex($image_dst, imagecolorat($image_dst, $x, $y));
$r = max(min(round(($this->image_contrast + 128) * $pixel['red'] / 128), 255), 0);
$g = max(min(round(($this->image_contrast + 128) * $pixel['green'] / 128), 255), 0);
$b = max(min(round(($this->image_contrast + 128) * $pixel['blue'] / 128), 255), 0);
$color = imagecolorallocatealpha($image_dst, $r, $g, $b, $pixel['alpha']);
imagesetpixel($image_dst, $x, $y, $color);
}
if (!empty($this->image_tint_color)) {
$pixel = imagecolorsforindex($image_dst, imagecolorat($image_dst, $x, $y));
$r = min(round($tint_red * $pixel['red'] / 169), 255);
$g = min(round($tint_green * $pixel['green'] / 169), 255);
$b = min(round($tint_blue * $pixel['blue'] / 169), 255);
$color = imagecolorallocatealpha($image_dst, $r, $g, $b, $pixel['alpha']);
imagesetpixel($image_dst, $x, $y, $color);
}
if (!empty($this->image_negative)) {
$pixel = imagecolorsforindex($image_dst, imagecolorat($image_dst, $x, $y));
$r = round(255 - $pixel['red']);
$g = round(255 - $pixel['green']);
$b = round(255 - $pixel['blue']);
$color = imagecolorallocatealpha($image_dst, $r, $g, $b, $pixel['alpha']);
imagesetpixel($image_dst, $x, $y, $color);
}
}
}
}
// adds a border
if ($gd_version >= 2 && !empty($this->image_border)) {
if (is_array($this->image_border)) {
$vars = $this->image_border;
$this->log .= '- add border : ' . implode(' ', $this->image_border) . '<br />';
} else {
$this->log .= '- add border : ' . $this->image_border . '<br />';
$vars = explode(' ', $this->image_border);
}
if (sizeof($vars) == 4) {
$ct = $vars[0];
$cr = $vars[1];
$cb = $vars[2];
$cl = $vars[3];
} else {
if (sizeof($vars) == 2) {
$ct = $vars[0];
$cr = $vars[1];
$cb = $vars[0];
$cl = $vars[1];
} else {
$ct = $vars[0];
$cr = $vars[0];
$cb = $vars[0];
$cl = $vars[0];
}
}
if (strpos($ct, '%') > 0) {
$ct = $this->image_dst_y * (str_replace('%', '', $ct) / 100);
}
if (strpos($cr, '%') > 0) {
$cr = $this->image_dst_x * (str_replace('%', '', $cr) / 100);
}
if (strpos($cb, '%') > 0) {
$cb = $this->image_dst_y * (str_replace('%', '', $cb) / 100);
}
if (strpos($cl, '%') > 0) {
$cl = $this->image_dst_x * (str_replace('%', '', $cl) / 100);
}
if (strpos($ct, 'px') > 0) {
$ct = str_replace('px', '', $ct);
}
if (strpos($cr, 'px') > 0) {
$cr = str_replace('px', '', $cr);
}
if (strpos($cb, 'px') > 0) {
$cb = str_replace('px', '', $cb);
}
if (strpos($cl, 'px') > 0) {
$cl = str_replace('px', '', $cl);
}
$ct = (int) $ct;
$cr = (int) $cr;
$cb = (int) $cb;
$cl = (int) $cl;
$this->image_dst_x = $this->image_dst_x + $cl + $cr;
$this->image_dst_y = $this->image_dst_y + $ct + $cb;
if (!empty($this->image_border_color)) {
list($red, $green, $blue) = $this->getcolors($this->image_border_color);
}
// we now create an image, that we fill with the border color
$tmp = $this->imagecreatenew($this->image_dst_x, $this->image_dst_y);
$background = imagecolorallocatealpha($tmp, $red, $green, $blue, 0);
imagefilledrectangle($tmp, 0, 0, $this->image_dst_x, $this->image_dst_y, $background);
// we then copy the source image into the new image, without merging so that only the border is actually kept
imagecopy($tmp, $image_dst, $cl, $ct, 0, 0, $this->image_dst_x - $cr - $cl, $this->image_dst_y - $cb - $ct);
// we transfert tmp into image_dst
$image_dst = $this->imagetransfer($tmp, $image_dst);
}
// add frame border
if (is_numeric($this->image_frame)) {
if (is_array($this->image_frame_colors)) {
$vars = $this->image_frame_colors;
$this->log .= '- add frame : ' . implode(' ', $this->image_frame_colors) . '<br />';
} else {
$this->log .= '- add frame : ' . $this->image_frame_colors . '<br />';
$vars = explode(' ', $this->image_frame_colors);
}
$nb = sizeof($vars);
$this->image_dst_x = $this->image_dst_x + $nb * 2;
$this->image_dst_y = $this->image_dst_y + $nb * 2;
$tmp = $this->imagecreatenew($this->image_dst_x, $this->image_dst_y);
imagecopy($tmp, $image_dst, $nb, $nb, 0, 0, $this->image_dst_x - $nb * 2, $this->image_dst_y - $nb * 2);
for ($i = 0; $i < $nb; $i++) {
list($red, $green, $blue) = $this->getcolors($vars[$i]);
$c = imagecolorallocate($tmp, $red, $green, $blue);
if ($this->image_frame == 1) {
imageline($tmp, $i, $i, $this->image_dst_x - $i - 1, $i, $c);
imageline($tmp, $this->image_dst_x - $i - 1, $this->image_dst_y - $i - 1, $this->image_dst_x - $i - 1, $i, $c);
imageline($tmp, $this->image_dst_x - $i - 1, $this->image_dst_y - $i - 1, $i, $this->image_dst_y - $i - 1, $c);
imageline($tmp, $i, $i, $i, $this->image_dst_y - $i - 1, $c);
} else {
imageline($tmp, $i, $i, $this->image_dst_x - $i - 1, $i, $c);
imageline($tmp, $this->image_dst_x - $nb + $i, $this->image_dst_y - $nb + $i, $this->image_dst_x - $nb + $i, $nb - $i, $c);
imageline($tmp, $this->image_dst_x - $nb + $i, $this->image_dst_y - $nb + $i, $nb - $i, $this->image_dst_y - $nb + $i, $c);
imageline($tmp, $i, $i, $i, $this->image_dst_y - $i - 1, $c);
}
}
// we transfert tmp into image_dst
$image_dst = $this->imagetransfer($tmp, $image_dst);
}
// add bevel border
if ($this->image_bevel > 0) {
if (empty($this->image_bevel_color1)) {
$this->image_bevel_color1 = '#FFFFFF';
}
if (empty($this->image_bevel_color2)) {
$this->image_bevel_color2 = '#000000';
}
list($red1, $green1, $blue1) = $this->getcolors($this->image_bevel_color1);
list($red2, $green2, $blue2) = $this->getcolors($this->image_bevel_color2);
$tmp = $this->imagecreatenew($this->image_dst_x, $this->image_dst_y);
imagecopy($tmp, $image_dst, 0, 0, 0, 0, $this->image_dst_x, $this->image_dst_y);
imagealphablending($tmp, true);
for ($i = 0; $i < $this->image_bevel; $i++) {
$alpha = round($i / $this->image_bevel * 127);
$c1 = imagecolorallocatealpha($tmp, $red1, $green1, $blue1, $alpha);
$c2 = imagecolorallocatealpha($tmp, $red2, $green2, $blue2, $alpha);
imageline($tmp, $i, $i, $this->image_dst_x - $i - 1, $i, $c1);
imageline($tmp, $this->image_dst_x - $i - 1, $this->image_dst_y - $i, $this->image_dst_x - $i - 1, $i, $c2);
imageline($tmp, $this->image_dst_x - $i - 1, $this->image_dst_y - $i - 1, $i, $this->image_dst_y - $i - 1, $c2);
imageline($tmp, $i, $i, $i, $this->image_dst_y - $i - 1, $c1);
}
// we transfert tmp into image_dst
$image_dst = $this->imagetransfer($tmp, $image_dst);
}
// add watermark image
if ($this->image_watermark != '' && file_exists($this->image_watermark)) {
$this->log .= '- add watermark<br />';
$this->image_watermark_position = strtolower($this->image_watermark_position);
$watermark_info = getimagesize($this->image_watermark);
$watermark_type = array_key_exists(2, $watermark_info) ? $watermark_info[2] : null;
// 1 = GIF, 2 = JPG, 3 = PNG
$watermark_checked = false;
if ($watermark_type == IMAGETYPE_GIF) {
if (!function_exists('imagecreatefromgif')) {
$this->error = $this->translate('watermark_no_create_support', array('GIF'));
} else {
$filter = @imagecreatefromgif($this->image_watermark);
if (!$filter) {
$this->error = $this->translate('watermark_create_error', array('GIF'));
} else {
$this->log .= ' watermark source image is GIF<br />';
$watermark_checked = true;
}
}
} else {
if ($watermark_type == IMAGETYPE_JPEG) {
if (!function_exists('imagecreatefromjpeg')) {
$this->error = $this->translate('watermark_no_create_support', array('JPEG'));
} else {
$filter = @imagecreatefromjpeg($this->image_watermark);
if (!$filter) {
$this->error = $this->translate('watermark_create_error', array('JPEG'));
} else {
$this->log .= ' watermark source image is JPEG<br />';
$watermark_checked = true;
}
}
} else {
if ($watermark_type == IMAGETYPE_PNG) {
if (!function_exists('imagecreatefrompng')) {
$this->error = $this->translate('watermark_no_create_support', array('PNG'));
} else {
$filter = @imagecreatefrompng($this->image_watermark);
if (!$filter) {
$this->error = $this->translate('watermark_create_error', array('PNG'));
} else {
$this->log .= ' watermark source image is PNG<br />';
$watermark_checked = true;
}
}
} else {
if ($watermark_type == IMAGETYPE_BMP) {
if (!method_exists($this, 'imagecreatefrombmp')) {
$this->error = $this->translate('watermark_no_create_support', array('BMP'));
} else {
$filter = @$this->imagecreatefrombmp($this->image_watermark);
if (!$filter) {
$this->error = $this->translate('watermark_create_error', array('BMP'));
} else {
$this->log .= ' watermark source image is BMP<br />';
$watermark_checked = true;
}
}
} else {
$this->error = $this->translate('watermark_invalid');
}
}
}
}
if ($watermark_checked) {
$watermark_dst_width = $watermark_src_width = imagesx($filter);
$watermark_dst_height = $watermark_src_height = imagesy($filter);
// if watermark is too large/tall, resize it first
if (!$this->image_watermark_no_zoom_out && ($watermark_dst_width > $this->image_dst_x || $watermark_dst_height > $this->image_dst_y) || !$this->image_watermark_no_zoom_in && $watermark_dst_width < $this->image_dst_x && $watermark_dst_height < $this->image_dst_y) {
$canvas_width = $this->image_dst_x - abs($this->image_watermark_x);
$canvas_height = $this->image_dst_y - abs($this->image_watermark_y);
if ($watermark_src_width / $canvas_width > $watermark_src_height / $canvas_height) {
$watermark_dst_width = $canvas_width;
$watermark_dst_height = intval($watermark_src_height * ($canvas_width / $watermark_src_width));
} else {
$watermark_dst_height = $canvas_height;
$watermark_dst_width = intval($watermark_src_width * ($canvas_height / $watermark_src_height));
}
$this->log .= ' watermark resized from ' . $watermark_src_width . 'x' . $watermark_src_height . ' to ' . $watermark_dst_width . 'x' . $watermark_dst_height . '<br />';
}
// determine watermark position
$watermark_x = 0;
$watermark_y = 0;
if (is_numeric($this->image_watermark_x)) {
if ($this->image_watermark_x < 0) {
$watermark_x = $this->image_dst_x - $watermark_dst_width + $this->image_watermark_x;
} else {
$watermark_x = $this->image_watermark_x;
}
} else {
if (strpos($this->image_watermark_position, 'r') !== false) {
$watermark_x = $this->image_dst_x - $watermark_dst_width;
} else {
if (strpos($this->image_watermark_position, 'l') !== false) {
$watermark_x = 0;
} else {
$watermark_x = ($this->image_dst_x - $watermark_dst_width) / 2;
}
}
}
if (is_numeric($this->image_watermark_y)) {
if ($this->image_watermark_y < 0) {
$watermark_y = $this->image_dst_y - $watermark_dst_height + $this->image_watermark_y;
} else {
$watermark_y = $this->image_watermark_y;
}
} else {
if (strpos($this->image_watermark_position, 'b') !== false) {
$watermark_y = $this->image_dst_y - $watermark_dst_height;
} else {
if (strpos($this->image_watermark_position, 't') !== false) {
$watermark_y = 0;
} else {
$watermark_y = ($this->image_dst_y - $watermark_dst_height) / 2;
}
}
}
imagealphablending($image_dst, true);
imagecopyresampled($image_dst, $filter, $watermark_x, $watermark_y, 0, 0, $watermark_dst_width, $watermark_dst_height, $watermark_src_width, $watermark_src_height);
} else {
$this->error = $this->translate('watermark_invalid');
}
}
// add text
if (!empty($this->image_text)) {
$this->log .= '- add text<br />';
// calculate sizes in human readable format
$src_size = $this->file_src_size / 1024;
$src_size_mb = number_format($src_size / 1024, 1, ".", " ");
$src_size_kb = number_format($src_size, 1, ".", " ");
$src_size_human = $src_size > 1024 ? $src_size_mb . " MB" : $src_size_kb . " kb";
$this->image_text = str_replace(array('[src_name]', '[src_name_body]', '[src_name_ext]', '[src_pathname]', '[src_mime]', '[src_size]', '[src_size_kb]', '[src_size_mb]', '[src_size_human]', '[src_x]', '[src_y]', '[src_pixels]', '[src_type]', '[src_bits]', '[dst_path]', '[dst_name_body]', '[dst_name_ext]', '[dst_name]', '[dst_pathname]', '[dst_x]', '[dst_y]', '[date]', '[time]', '[host]', '[server]', '[ip]', '[gd_version]'), array($this->file_src_name, $this->file_src_name_body, $this->file_src_name_ext, $this->file_src_pathname, $this->file_src_mime, $this->file_src_size, $src_size_kb, $src_size_mb, $src_size_human, $this->image_src_x, $this->image_src_y, $this->image_src_pixels, $this->image_src_type, $this->image_src_bits, $this->file_dst_path, $this->file_dst_name_body, $this->file_dst_name_ext, $this->file_dst_name, $this->file_dst_pathname, $this->image_dst_x, $this->image_dst_y, date('Y-m-d'), date('H:i:s'), isset($_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : 'n/a', isset($_SERVER['SERVER_NAME']) ? $_SERVER['SERVER_NAME'] : 'n/a', isset($_SERVER['REMOTE_ADDR']) ? $_SERVER['REMOTE_ADDR'] : 'n/a', $this->gdversion(true)), $this->image_text);
if (!is_numeric($this->image_text_padding)) {
$this->image_text_padding = 0;
}
if (!is_numeric($this->image_text_line_spacing)) {
$this->image_text_line_spacing = 0;
}
if (!is_numeric($this->image_text_padding_x)) {
$this->image_text_padding_x = $this->image_text_padding;
}
if (!is_numeric($this->image_text_padding_y)) {
$this->image_text_padding_y = $this->image_text_padding;
}
$this->image_text_position = strtolower($this->image_text_position);
$this->image_text_direction = strtolower($this->image_text_direction);
$this->image_text_alignment = strtolower($this->image_text_alignment);
// if the font is a string, we assume that we might want to load a font
if (!is_numeric($this->image_text_font) && strlen($this->image_text_font) > 4 && substr(strtolower($this->image_text_font), -4) == '.gdf') {
$this->log .= ' try to load font ' . $this->image_text_font . '... ';
if ($this->image_text_font = @imageloadfont($this->image_text_font)) {
$this->log .= 'success<br />';
} else {
$this->log .= 'error<br />';
$this->image_text_font = 5;
}
}
$text = explode("\n", $this->image_text);
$char_width = imagefontwidth($this->image_text_font);
$char_height = imagefontheight($this->image_text_font);
$text_height = 0;
$text_width = 0;
$line_height = 0;
$line_width = 0;
foreach ($text as $k => $v) {
if ($this->image_text_direction == 'v') {
$h = $char_width * strlen($v);
if ($h > $text_height) {
$text_height = $h;
}
$line_width = $char_height;
$text_width += $line_width + ($k < sizeof($text) - 1 ? $this->image_text_line_spacing : 0);
} else {
$w = $char_width * strlen($v);
if ($w > $text_width) {
$text_width = $w;
}
$line_height = $char_height;
$text_height += $line_height + ($k < sizeof($text) - 1 ? $this->image_text_line_spacing : 0);
}
}
$text_width += 2 * $this->image_text_padding_x;
$text_height += 2 * $this->image_text_padding_y;
$text_x = 0;
$text_y = 0;
if (is_numeric($this->image_text_x)) {
if ($this->image_text_x < 0) {
$text_x = $this->image_dst_x - $text_width + $this->image_text_x;
} else {
$text_x = $this->image_text_x;
}
} else {
if (strpos($this->image_text_position, 'r') !== false) {
$text_x = $this->image_dst_x - $text_width;
} else {
if (strpos($this->image_text_position, 'l') !== false) {
$text_x = 0;
} else {
$text_x = ($this->image_dst_x - $text_width) / 2;
}
}
}
if (is_numeric($this->image_text_y)) {
if ($this->image_text_y < 0) {
$text_y = $this->image_dst_y - $text_height + $this->image_text_y;
} else {
$text_y = $this->image_text_y;
}
} else {
if (strpos($this->image_text_position, 'b') !== false) {
$text_y = $this->image_dst_y - $text_height;
} else {
if (strpos($this->image_text_position, 't') !== false) {
$text_y = 0;
} else {
$text_y = ($this->image_dst_y - $text_height) / 2;
}
}
}
// add a background, maybe transparent
if (!empty($this->image_text_background)) {
list($red, $green, $blue) = $this->getcolors($this->image_text_background);
if ($gd_version >= 2 && is_numeric($this->image_text_background_percent) && $this->image_text_background_percent >= 0 && $this->image_text_background_percent <= 100) {
$filter = imagecreatetruecolor($text_width, $text_height);
$background_color = imagecolorallocate($filter, $red, $green, $blue);
imagefilledrectangle($filter, 0, 0, $text_width, $text_height, $background_color);
$this->imagecopymergealpha($image_dst, $filter, $text_x, $text_y, 0, 0, $text_width, $text_height, $this->image_text_background_percent);
imagedestroy($filter);
} else {
$background_color = imagecolorallocate($image_dst, $red, $green, $blue);
imagefilledrectangle($image_dst, $text_x, $text_y, $text_x + $text_width, $text_y + $text_height, $background_color);
}
}
$text_x += $this->image_text_padding_x;
$text_y += $this->image_text_padding_y;
$t_width = $text_width - 2 * $this->image_text_padding_x;
$t_height = $text_height - 2 * $this->image_text_padding_y;
list($red, $green, $blue) = $this->getcolors($this->image_text_color);
// add the text, maybe transparent
if ($gd_version >= 2 && is_numeric($this->image_text_percent) && $this->image_text_percent >= 0 && $this->image_text_percent <= 100) {
if ($t_width < 0) {
$t_width = 0;
}
if ($t_height < 0) {
$t_height = 0;
}
$filter = $this->imagecreatenew($t_width, $t_height, false, true);
$text_color = imagecolorallocate($filter, $red, $green, $blue);
foreach ($text as $k => $v) {
if ($this->image_text_direction == 'v') {
imagestringup($filter, $this->image_text_font, $k * ($line_width + ($k > 0 && $k < sizeof($text) ? $this->image_text_line_spacing : 0)), $text_height - 2 * $this->image_text_padding_y - ($this->image_text_alignment == 'l' ? 0 : ($t_height - strlen($v) * $char_width) / ($this->image_text_alignment == 'r' ? 1 : 2)), $v, $text_color);
} else {
imagestring($filter, $this->image_text_font, $this->image_text_alignment == 'l' ? 0 : ($t_width - strlen($v) * $char_width) / ($this->image_text_alignment == 'r' ? 1 : 2), $k * ($line_height + ($k > 0 && $k < sizeof($text) ? $this->image_text_line_spacing : 0)), $v, $text_color);
}
}
$this->imagecopymergealpha($image_dst, $filter, $text_x, $text_y, 0, 0, $t_width, $t_height, $this->image_text_percent);
imagedestroy($filter);
} else {
$text_color = imageColorAllocate($image_dst, $red, $green, $blue);
foreach ($text as $k => $v) {
if ($this->image_text_direction == 'v') {
imagestringup($image_dst, $this->image_text_font, $text_x + $k * ($line_width + ($k > 0 && $k < sizeof($text) ? $this->image_text_line_spacing : 0)), $text_y + $text_height - 2 * $this->image_text_padding_y - ($this->image_text_alignment == 'l' ? 0 : ($t_height - strlen($v) * $char_width) / ($this->image_text_alignment == 'r' ? 1 : 2)), $v, $text_color);
} else {
imagestring($image_dst, $this->image_text_font, $text_x + ($this->image_text_alignment == 'l' ? 0 : ($t_width - strlen($v) * $char_width) / ($this->image_text_alignment == 'r' ? 1 : 2)), $text_y + $k * ($line_height + ($k > 0 && $k < sizeof($text) ? $this->image_text_line_spacing : 0)), $v, $text_color);
}
}
}
}
// add a reflection
if ($this->image_reflection_height) {
$this->log .= '- add reflection : ' . $this->image_reflection_height . '<br />';
// we decode image_reflection_height, which can be a integer, a string in pixels or percentage
$image_reflection_height = $this->image_reflection_height;
if (strpos($image_reflection_height, '%') > 0) {
$image_reflection_height = $this->image_dst_y * str_replace('%', '', $image_reflection_height / 100);
}
if (strpos($image_reflection_height, 'px') > 0) {
$image_reflection_height = str_replace('px', '', $image_reflection_height);
}
$image_reflection_height = (int) $image_reflection_height;
if ($image_reflection_height > $this->image_dst_y) {
$image_reflection_height = $this->image_dst_y;
}
if (empty($this->image_reflection_opacity)) {
$this->image_reflection_opacity = 60;
}
// create the new destination image
$tmp = $this->imagecreatenew($this->image_dst_x, $this->image_dst_y + $image_reflection_height + $this->image_reflection_space, true);
$transparency = $this->image_reflection_opacity;
// copy the original image
imagecopy($tmp, $image_dst, 0, 0, 0, 0, $this->image_dst_x, $this->image_dst_y + ($this->image_reflection_space < 0 ? $this->image_reflection_space : 0));
// we have to make sure the extra bit is the right color, or transparent
if ($image_reflection_height + $this->image_reflection_space > 0) {
// use the background color if present
if (!empty($this->image_background_color)) {
list($red, $green, $blue) = $this->getcolors($this->image_background_color);
$fill = imagecolorallocate($tmp, $red, $green, $blue);
} else {
$fill = imagecolorallocatealpha($tmp, 0, 0, 0, 127);
}
// fill in from the edge of the extra bit
imagefill($tmp, round($this->image_dst_x / 2), $this->image_dst_y + $image_reflection_height + $this->image_reflection_space - 1, $fill);
}
// copy the reflection
for ($y = 0; $y < $image_reflection_height; $y++) {
for ($x = 0; $x < $this->image_dst_x; $x++) {
$pixel_b = imagecolorsforindex($tmp, imagecolorat($tmp, $x, $y + $this->image_dst_y + $this->image_reflection_space));
$pixel_o = imagecolorsforindex($image_dst, imagecolorat($image_dst, $x, $this->image_dst_y - $y - 1 + ($this->image_reflection_space < 0 ? $this->image_reflection_space : 0)));
$alpha_o = 1 - $pixel_o['alpha'] / 127;
$alpha_b = 1 - $pixel_b['alpha'] / 127;
$opacity = $alpha_o * $transparency / 100;
if ($opacity > 0) {
$red = round(($pixel_o['red'] * $opacity + $pixel_b['red'] * $alpha_b) / ($alpha_b + $opacity));
$green = round(($pixel_o['green'] * $opacity + $pixel_b['green'] * $alpha_b) / ($alpha_b + $opacity));
$blue = round(($pixel_o['blue'] * $opacity + $pixel_b['blue'] * $alpha_b) / ($alpha_b + $opacity));
$alpha = $opacity + $alpha_b;
if ($alpha > 1) {
$alpha = 1;
}
$alpha = round((1 - $alpha) * 127);
$color = imagecolorallocatealpha($tmp, $red, $green, $blue, $alpha);
imagesetpixel($tmp, $x, $y + $this->image_dst_y + $this->image_reflection_space, $color);
}
}
if ($transparency > 0) {
$transparency = $transparency - $this->image_reflection_opacity / $image_reflection_height;
}
}
// copy the resulting image into the destination image
$this->image_dst_y = $this->image_dst_y + $image_reflection_height + $this->image_reflection_space;
$image_dst = $this->imagetransfer($tmp, $image_dst);
}
// reduce the JPEG image to a set desired size
if (is_numeric($this->jpeg_size) && $this->jpeg_size > 0 && ($this->image_convert == 'jpeg' || $this->image_convert == 'jpg')) {
// inspired by: JPEGReducer class version 1, 25 November 2004, Author: Huda M ElMatsani, justhuda at netscape dot net
$this->log .= '- JPEG desired file size : ' . $this->jpeg_size . '<br />';
// calculate size of each image. 75%, 50%, and 25% quality
ob_start();
imagejpeg($image_dst, '', 75);
$buffer = ob_get_contents();
ob_end_clean();
$size75 = strlen($buffer);
ob_start();
imagejpeg($image_dst, '', 50);
$buffer = ob_get_contents();
ob_end_clean();
$size50 = strlen($buffer);
ob_start();
imagejpeg($image_dst, '', 25);
$buffer = ob_get_contents();
ob_end_clean();
$size25 = strlen($buffer);
// calculate gradient of size reduction by quality
$mgrad1 = 25 / ($size50 - $size25);
$mgrad2 = 25 / ($size75 - $size50);
$mgrad3 = 50 / ($size75 - $size25);
$mgrad = ($mgrad1 + $mgrad2 + $mgrad3) / 3;
// result of approx. quality factor for expected size
$q_factor = round($mgrad * ($this->jpeg_size - $size50) + 50);
if ($q_factor < 1) {
$this->jpeg_quality = 1;
} elseif ($q_factor > 100) {
$this->jpeg_quality = 100;
} else {
$this->jpeg_quality = $q_factor;
}
$this->log .= ' JPEG quality factor set to ' . $this->jpeg_quality . '<br />';
}
// converts image from true color, and fix transparency if needed
$this->log .= '- converting...<br />';
switch ($this->image_convert) {
case 'gif':
// if the image is true color, we convert it to a palette
if (imageistruecolor($image_dst)) {
$this->log .= ' true color to palette<br />';
// creates a black and white mask
$mask = array(array());
for ($x = 0; $x < $this->image_dst_x; $x++) {
for ($y = 0; $y < $this->image_dst_y; $y++) {
$pixel = imagecolorsforindex($image_dst, imagecolorat($image_dst, $x, $y));
$mask[$x][$y] = $pixel['alpha'];
}
}
list($red, $green, $blue) = $this->getcolors($this->image_default_color);
// first, we merge the image with the background color, so we know which colors we will have
for ($x = 0; $x < $this->image_dst_x; $x++) {
for ($y = 0; $y < $this->image_dst_y; $y++) {
if ($mask[$x][$y] > 0) {
// we have some transparency. we combine the color with the default color
$pixel = imagecolorsforindex($image_dst, imagecolorat($image_dst, $x, $y));
$alpha = $mask[$x][$y] / 127;
$pixel['red'] = round($pixel['red'] * (1 - $alpha) + $red * $alpha);
$pixel['green'] = round($pixel['green'] * (1 - $alpha) + $green * $alpha);
$pixel['blue'] = round($pixel['blue'] * (1 - $alpha) + $blue * $alpha);
$color = imagecolorallocate($image_dst, $pixel['red'], $pixel['green'], $pixel['blue']);
imagesetpixel($image_dst, $x, $y, $color);
}
}
}
// transforms the true color image into palette, with its merged default color
if (empty($this->image_background_color)) {
imagetruecolortopalette($image_dst, true, 255);
$transparency = imagecolorallocate($image_dst, 254, 1, 253);
imagecolortransparent($image_dst, $transparency);
// make the transparent areas transparent
for ($x = 0; $x < $this->image_dst_x; $x++) {
for ($y = 0; $y < $this->image_dst_y; $y++) {
// we test wether we have enough opacity to justify keeping the color
if ($mask[$x][$y] > 120) {
imagesetpixel($image_dst, $x, $y, $transparency);
}
}
}
}
unset($mask);
}
break;
case 'jpg':
case 'bmp':
// if the image doesn't support any transparency, then we merge it with the default color
$this->log .= ' fills in transparency with default color<br />';
list($red, $green, $blue) = $this->getcolors($this->image_default_color);
$transparency = imagecolorallocate($image_dst, $red, $green, $blue);
// make the transaparent areas transparent
for ($x = 0; $x < $this->image_dst_x; $x++) {
for ($y = 0; $y < $this->image_dst_y; $y++) {
// we test wether we have some transparency, in which case we will merge the colors
if (imageistruecolor($image_dst)) {
$rgba = imagecolorat($image_dst, $x, $y);
$pixel = array('red' => $rgba >> 16 & 0xff, 'green' => $rgba >> 8 & 0xff, 'blue' => $rgba & 0xff, 'alpha' => ($rgba & 0x7f000000) >> 24);
} else {
$pixel = imagecolorsforindex($image_dst, imagecolorat($image_dst, $x, $y));
}
if ($pixel['alpha'] == 127) {
// we have full transparency. we make the pixel transparent
imagesetpixel($image_dst, $x, $y, $transparency);
} else {
if ($pixel['alpha'] > 0) {
// we have some transparency. we combine the color with the default color
$alpha = $pixel['alpha'] / 127;
$pixel['red'] = round($pixel['red'] * (1 - $alpha) + $red * $alpha);
$pixel['green'] = round($pixel['green'] * (1 - $alpha) + $green * $alpha);
$pixel['blue'] = round($pixel['blue'] * (1 - $alpha) + $blue * $alpha);
$color = imagecolorclosest($image_dst, $pixel['red'], $pixel['green'], $pixel['blue']);
imagesetpixel($image_dst, $x, $y, $color);
}
}
}
}
break;
default:
break;
}
// outputs image
$this->log .= '- saving image...<br />';
switch ($this->image_convert) {
case 'jpeg':
case 'jpg':
if (!$return_mode) {
$result = @imagejpeg($image_dst, $this->file_dst_pathname, $this->jpeg_quality);
} else {
ob_start();
$result = @imagejpeg($image_dst, '', $this->jpeg_quality);
$return_content = ob_get_contents();
ob_end_clean();
}
if (!$result) {
$this->processed = false;
$this->error = $this->translate('file_create', array('JPEG'));
} else {
$this->log .= ' JPEG image created<br />';
}
break;
case 'png':
imagealphablending($image_dst, false);
imagesavealpha($image_dst, true);
if (!$return_mode) {
$result = @imagepng($image_dst, $this->file_dst_pathname);
} else {
ob_start();
$result = @imagepng($image_dst);
$return_content = ob_get_contents();
ob_end_clean();
}
if (!$result) {
$this->processed = false;
$this->error = $this->translate('file_create', array('PNG'));
} else {
$this->log .= ' PNG image created<br />';
}
break;
case 'gif':
if (!$return_mode) {
$result = @imagegif($image_dst, $this->file_dst_pathname);
} else {
ob_start();
$result = @imagegif($image_dst);
$return_content = ob_get_contents();
ob_end_clean();
}
if (!$result) {
$this->processed = false;
$this->error = $this->translate('file_create', array('GIF'));
} else {
$this->log .= ' GIF image created<br />';
}
break;
case 'bmp':
if (!$return_mode) {
$result = $this->imagebmp($image_dst, $this->file_dst_pathname);
} else {
ob_start();
$result = $this->imagebmp($image_dst);
$return_content = ob_get_contents();
ob_end_clean();
}
if (!$result) {
$this->processed = false;
$this->error = $this->translate('file_create', array('BMP'));
} else {
$this->log .= ' BMP image created<br />';
}
break;
default:
$this->processed = false;
$this->error = $this->translate('no_conversion_type');
}
if ($this->processed) {
if (is_resource($image_src)) {
imagedestroy($image_src);
}
if (is_resource($image_dst)) {
imagedestroy($image_dst);
}
$this->log .= ' image objects destroyed<br />';
}
}
} else {
$this->log .= '- no image processing wanted<br />';
if (!$return_mode) {
// copy the file to its final destination. we don't use move_uploaded_file here
// if we happen to have open_basedir restrictions, it is a temp file that we copy, not the original uploaded file
if (!copy($this->file_src_pathname, $this->file_dst_pathname)) {
$this->processed = false;
$this->error = $this->translate('copy_failed');
}
} else {
// returns the file, so that its content can be received by the caller
$return_content = @file_get_contents($this->file_src_pathname);
if ($return_content === FALSE) {
$this->processed = false;
$this->error = $this->translate('reading_failed');
}
}
}
}
if ($this->processed) {
$this->log .= '- <b>process OK</b><br />';
} else {
$this->log .= '- <b>error</b>: ' . $this->error . '<br />';
}
// we reinit all the vars
$this->init();
// we may return the image content
if ($return_mode) {
return $return_content;
}
}
/**
* main class method; Create the image and return the url to the image file;
* @param string relative path to site root
* @return mixt image url or error
*/
function getImageURL($relpath)
{
$this->garbageCollector();
// check write permissions on captcha folder
$fld = new KT_folder();
$fld->createFolder(KT_CAPTCHA_TEMP_FOLDER);
if (!$fld->checkRights(KT_CAPTCHA_TEMP_FOLDER, 'write')) {
if ($GLOBALS['tNG_debug_mode'] == 'DEVELOPMENT') {
$error = KT_getResource('FOLDER_ERROR_D', 'Captcha', array(KT_CAPTCHA_TEMP_FOLDER));
} else {
$error = KT_getResource('FOLDER_ERROR', 'Captcha');
}
return $this->formatError($error);
}
// with gd
if ($this->lib == "gd") {
$arr["GD Version"] = 'GD not available';
if (function_exists('gd_info')) {
$arr = gd_info();
preg_match("/(2)\\.[\\d]+/i", $arr["GD Version"], $matches);
}
if (!isset($arr) || !isset($matches[1]) || (int) $matches[1] < 2) {
$error = KT_getResource('PHP_GD_VERSION_ERROR', 'Captcha', array($arr["GD Version"]));
return $this->formatError($error);
}
$im = imagecreatefrompng(dirname(__FILE__) . '/captcha.png') or $error = KT_getResource('PHP_GD_ERROR', 'Captcha', array());
if (isset($error)) {
return $this->formatError($error);
}
$string = $this->getTextCaptcha();
$font = imageloadfont(dirname(__FILE__) . "/fonts/Courier.gdf");
if ($font === false) {
$font = 5;
}
$fontFileName = dirname(__FILE__) . '/fonts/MyriadWebPro.ttf';
$wFont = 24;
$hFont = 24;
// write the letters
for ($i = 0; $i < strlen($string); $i++) {
$color1 = rand(0, 64);
$color2 = rand(0, 64);
$color3 = rand(0, 64);
$text_color = imagecolorallocate($im, $color1, $color2, $color3);
$okttf = false;
if (function_exists('imagettftext')) {
$okttf = @imagettftext($im, 14, rand(-25, 25), 10 + $i * $wFont, $hFont + rand(4, 26), $text_color, $fontFileName, $string[$i]);
}
if ($okttf === false) {
$fim = imagecreatetruecolor($wFont + 9, $hFont + 9);
$back = imagecolorallocate($fim, 255, 255, 255);
imagefilledrectangle($fim, 0, 0, $wFont + 8, $hFont + 8, $back);
$transparent2 = imagecolorallocate($fim, 255, 255, 255);
$text_color = imagecolorallocate($fim, $color1, $color2, $color3);
imagestring($fim, $font, 4, 4, $string[$i], $text_color);
if (function_exists("imagerotate")) {
$fim = imagerotate($fim, rand(-25, 25), $transparent2);
}
$iTranspa2 = imagecolortransparent($fim, $transparent2);
imagecopymerge($im, $fim, 0 + $i * $wFont, rand(4, 26), 0, 0, $wFont + 9, $hFont + 9, 80);
imagedestroy($fim);
}
}
imagepng($im, KT_CAPTCHA_TEMP_FOLDER . $this->filename);
imagedestroy($im);
// with imagemagick
} else {
$sourceFileName = dirname(__FILE__) . '/captcha.png';
$fontFileName = dirname(__FILE__) . '/fonts/MyriadWebPro.ttf';
$destFileName = KT_CAPTCHA_TEMP_FOLDER . $this->filename;
$arrCommands = array($GLOBALS['KT_prefered_imagemagick_path'] . 'convert');
$shell = new KT_shell();
$direction = rand(0, 10);
if ($direction % 2 == 0) {
$textRend = -rand(8, 11) . 'x0+' . (5 + (8 - strlen($this->text)) * 20) . '+' . (70 - (8 - strlen($this->text)) * 5);
} else {
$textRend = rand(8, 11) . 'x0+' . (5 + (8 - strlen($this->text)) * 20) . '+' . (35 + (8 - strlen($this->text)) * 5);
}
$arrArguments = array('-font', $fontFileName, '-pointsize', '34', '-fill', 'rgb(' . rand(0, 32) . ',' . rand(0, 32) . ',' . rand(0, 32) . ')', '-annotate', $textRend, $this->text, '-wave', '3x50', '-region', '100x70+' . rand(0, 100) . '+0', '-swirl', '25', '-region', '100x70+' . rand(0, 100) . '+0', '-swirl', '-25', $sourceFileName, $destFileName);
$shell->execute($arrCommands, $arrArguments);
if ($shell->hasError()) {
$arr = $shell->getError();
$ret = $this->formatError($arr[0]);
return $ret;
}
}
return $relpath . KT_CAPTCHA_TEMP_URL . $this->filename;
}
/**
* Draw the CAPTCHA code over the image
*
* @access private
*
*/
function drawWord()
{
$width2 = $this->image_width * $this->iscale;
$height2 = $this->image_height * $this->iscale;
$text_color = $this->text_color;
$gd_info = gd_info();
if ($this->use_gd_font == true || !function_exists('imagettftext') || $gd_info['FreeType Support'] == false) {
$this->gd_font_file = $this->getFontFromDirectory($this->gd_font_directory, 'gdf');
if (!is_int($this->gd_font_file)) {
//is a file name
$font = @imageloadfont($this->gd_font_file);
if ($font == false) {
trigger_error("Failed to load GD Font file {$this->gd_font_file} ", E_USER_WARNING);
return;
}
} else {
//gd font identifier
$font = $this->gd_font_file;
}
$color = imagecolorallocate($this->im, hexdec(substr($text_color, 1, 2)), hexdec(substr($text_color, 3, 2)), hexdec(substr($text_color, 5, 2)));
imagestring($this->im, $font, $this->text_x_start, $this->image_height / 2 - $this->gd_font_size / 2, $this->code, $color);
} else {
//ttf font
$this->ttf_file = $this->getFontFromDirectory($this->ttf_font_directory, 'ttf');
$text_color = $this->getColorArray($this->text_color, '#3d3d3d');
$font_size = $height2 * 0.6;
// was .35 but fonts wre too small
$bb = imagettfbbox($font_size, 0, $this->ttf_file, $this->code);
// repeat this line to fix random missing text on some Debian servers
$bb = imagettfbbox($font_size, 0, $this->ttf_file, $this->code);
$tx = $bb[4] - $bb[0];
$ty = $bb[5] - $bb[1];
$x = floor($width2 / 2 - $tx / 2 - $bb[0]);
$y = round($height2 / 2 - $ty / 2 - $bb[1]);
if ($this->use_transparent_text == true) {
$alpha = intval($this->text_transparency_percentage / 100 * 127);
$font_color = imagecolorallocatealpha($this->tmpimg, $text_color[0], $text_color[1], $text_color[2], $alpha);
} else {
//no transparency
$font_color = imagecolorallocate($this->tmpimg, $text_color[0], $text_color[1], $text_color[2]);
}
$strlen = strlen($this->code);
if (!is_array($this->multi_text_color)) {
$this->use_multi_text = false;
}
if ($this->use_multi_text == false && $this->text_angle_minimum == 0 && $this->text_angle_maximum == 0) {
// no angled or multi-color characters
imagettftext($this->tmpimg, $font_size, 0, $x, $y, $font_color, $this->ttf_file, $this->code);
} else {
$this->multi_text_color = $this->convertMultiTextColor($this->multi_text_color);
for ($i = 0; $i < $strlen; ++$i) {
$angle = rand($this->text_angle_minimum, $this->text_angle_maximum);
$y = rand($y - 2, $y + 2);
// up/down align was 5 , but diff was too steep
$x = $x - 5;
// left placement
if ($this->use_multi_text == true) {
$idx = rand(0, sizeof($this->multi_text_color) - 1);
if ($this->use_transparent_text == true) {
$font_color = imagecolorallocatealpha($this->tmpimg, $this->multi_text_color[$idx][0], $this->multi_text_color[$idx][1], $this->multi_text_color[$idx][2], $alpha);
} else {
$font_color = imagecolorallocate($this->tmpimg, $this->multi_text_color[$idx][0], $this->multi_text_color[$idx][1], $this->multi_text_color[$idx][2]);
}
}
$ch = $this->code[$i];
imagettftext($this->tmpimg, $font_size, $angle, $x, $y, $font_color, $this->ttf_file, $ch);
// estimate character widths to increment $x without creating spaces that are too large or too small
// these are best estimates to align text but may vary between fonts
// for optimal character widths, do not use multiple text colors or character angles and the complete string will be written by imagettftext
if (strpos('abcdeghknopqsuvxyz', $ch) !== false) {
$min_x = $font_size - $this->iscale * 6;
$max_x = $font_size - $this->iscale * 6;
} else {
if (strpos('ilI1', $ch) !== false) {
$min_x = $font_size / 5;
$max_x = $font_size / 3;
} else {
if (strpos('fjrt', $ch) !== false) {
$min_x = $font_size - $this->iscale * 12;
$max_x = $font_size - $this->iscale * 12;
} else {
if ($ch == 'wm') {
$min_x = $font_size;
$max_x = $font_size + $this->iscale * 3;
} else {
// numbers, capitals or unicode
$min_x = $font_size + $this->iscale * 2;
$max_x = $font_size + $this->iscale * 5;
}
}
}
}
$x += rand($min_x, $max_x);
}
//for loop
}
// angled or multi-color
}
//else ttf font
//$this->im = $this->tmpimg;
//$this->output();
}
