function MyImageBlur($im, $pct) {
// w00t. my very own blur function
// in GD2, there's a gaussian blur function. smarmy bastards. ;-)
$width = imagesx($im);
$height = imagesy($im);
$temp_im = ImageCreate($width, $height);
$bg = ImageColorAllocate($temp_im, 255, 255, 255);
// preserves transparency if in orig image
ImageColorTransparent($temp_im, $bg);
// fill bg
ImageFill($temp_im, 0, 0, $bg);
$distance = 1;
// emboss:
ImageCopyMerge($temp_im, $im, 0, 0, $distance, $distance, $width, $height, $pct);
ImageCopyMerge($im, $temp_im, -$distance, -$distance, 0, 0, $width, $height, $pct);
ImageFill($temp_im, 0, 0, $bg);
ImageCopyMerge($temp_im, $im, 0, $distance, $distance, 0, $width, $height, $pct);
ImageCopyMerge($im, $temp_im, $distance, 0, 0, $distance, $width, $height, $pct);
// blur:
ImageCopyMerge($temp_im, $im, 0, $distance, 0, 0, $width, $height, $pct);
ImageCopyMerge($im, $temp_im, $distance, 0, 0, 0, $width, $height, $pct);
ImageCopyMerge($temp_im, $im, 0, 0, 0, $distance, $width, $height, $pct);
ImageCopyMerge($im, $temp_im, 0, 0, $distance, 0, $width, $height, $pct);
// remove temp image
ImageDestroy($temp_im);
return $im;
}
function drawRating($rating, $max, $type)
{
if ($type == 0) {
$image = imagecreatetruecolor(102, 15);
$back = ImageColorAllocate($image, 250, 250, 250);
$border = ImageColorAllocate($image, 0, 0, 0);
$fill = ImageColorAllocate($image, 0, 235, 0);
ImageFilledRectangle($image, 0, 0, 101, 14, $back);
ImageFilledRectangle($image, 1, 1, $rating / $max * 100, 14, $fill);
ImageRectangle($image, 0, 0, 101, 14, $border);
$textcolor = imagecolorallocate($image, 0, 0, 0);
imagestring($image, 5, 35, 0, $rating / $max * 100 . '%', $textcolor);
} else {
if ($rating > $max) {
$rating = $max;
}
$image = imagecreatetruecolor(10 * ($rating + 2) + 2, 15);
$back = ImageColorAllocate($image, 250, 250, 250);
$border = ImageColorAllocate($image, 0, 0, 0);
$fill = ImageColorAllocate($image, 235, 0, 0);
ImageFilledRectangle($image, 0, 0, 10 * ($rating + 2) + 1, 14, $back);
ImageFilledRectangle($image, 1, 1, 10 * $rating, 14, $fill);
ImageRectangle($image, 0, 0, 10 * $rating + 1, 14, $border);
$textcolor = imagecolorallocate($image, 0, 0, 0);
imagestring($image, 5, 10 * ($rating + 1), 0, $rating, $textcolor);
}
imagepng($image);
imagedestroy($image);
}
public function reflect()
{
$transparency_step = (100 - $this->transparency) / $this->gradient_height;
$background = imagecreatetruecolor($this->imgWidth, $this->gradient_height + $this->imgHeight);
$gdGradientColor = ImageColorAllocate($background, 255, 255, 255);
$newImage = imagecreatetruecolor($this->imgWidth, $this->imgHeight);
for ($x = 0; $x < $this->imgWidth; $x++) {
for ($y = 0; $y < $this->imgHeight; $y++) {
imagecopy($newImage, $this->img, $x, $this->imgHeight - $y - 1, $x, $y, 1, 1);
}
}
imagecopymerge($background, $newImage, 0, $this->imgHeight, 0, 0, $this->imgWidth, $this->imgHeight, 100);
imagecopymerge($background, $this->img, 0, 0, 0, 0, $this->imgWidth, $this->imgHeight, 100);
$gradient_line = imagecreatetruecolor($this->imgWidth, 1);
//voir si on garde ça et la suite
// Next we draw a GD line into our gradient_line
imageline($gradient_line, 0, 0, $this->imgWidth, 0, $gdGradientColor);
for ($i = $this->imgHeight; $i < $this->gradient_height + $this->imgHeight; $i++) {
imagecopymerge($background, $gradient_line, 0, $i, 0, 0, $this->imgWidth, 1, $this->transparency);
if ($this->transparency != 100) {
$this->transparency += $transparency_step;
}
}
$this->img = $background;
}
function capcha($salt)
{
srand(time());
$md5_hash = md5(rand(0, 9999));
$security_code = substr($md5_hash, 25, 5);
$enc = md5($security_code . $salt);
$_SESSION['count'] = $enc;
$secure = $_SESSION['count'];
// echo "--------------------------$secure<br>";
$width = 50;
$height = 24;
$image = ImageCreate($width, $height);
$white = ImageColorAllocate($image, 255, 255, 255);
$black = ImageColorAllocate($image, 0, 100, 0);
$grey = ImageColorAllocate($image, 204, 204, 204);
ImageFill($image, 0, 0, $white);
//Add randomly generated string in white to the image
ImageString($image, 10, 4, 4, $security_code, $black);
// ImageRectangle($image,0,16,$width-1,$height-1,$grey);
imageline($image, 0, $height / 2, $width, $height / 2, $grey);
imageline($image, $width / 2, 0, $width / 2, $height, $grey);
header("Content-Type: image/jpeg");
header("Cache-Control: no-cache, must-revalidate");
ImageJpeg($image);
ImageDestroy($image);
}
function create_image()
{
//Let's generate a totally random string using md5
$md5_hash = md5(rand(0, 999));
//We don't need a 32 character long string so we trim it down to 5
$security_code = substr($md5_hash, 15, 5);
//Set the session to store the security code
$_SESSION["captchaCode"] = $security_code;
//Set the image width and height
$width = 100;
$height = 20;
//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, 0, 0, 0);
$grey = ImageColorAllocate($image, 204, 204, 204);
//Make the background black
ImageFill($image, 0, 0, $black);
//Add randomly generated string in white to the image
ImageString($image, 3, 30, 3, $security_code, $white);
//Throw in some lines to make it a little bit harder for any bots to break
ImageRectangle($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, $grey);
//Tell the browser what kind of file is come in
header("Content-Type: image/jpeg");
//Output the newly created image in jpeg format
ImageJpeg($image);
//Free up resources
ImageDestroy($image);
}
function drawRating()
{
$width = $_GET['width'];
$height = $_GET['height'];
if ($width == 0) {
$width = 200;
}
if ($height == 0) {
$height = 7;
}
$rating = $_GET['rating'];
$ratingbar = $rating / 100 * $width - 2;
$image = imagecreate($width, $height);
$fill = ImageColorAllocate($image, 0, 255, 0);
if ($rating > 49) {
$fill = ImageColorAllocate($image, 255, 255, 0);
}
if ($rating > 74) {
$fill = ImageColorAllocate($image, 255, 128, 0);
}
if ($rating > 89) {
$fill = ImageColorAllocate($image, 255, 0, 0);
}
$back = ImageColorAllocate($image, 205, 205, 205);
$border = ImageColorAllocate($image, 0, 0, 0);
ImageFilledRectangle($image, 0, 0, $width - 1, $height - 1, $back);
ImageFilledRectangle($image, 1, 1, $ratingbar, $height - 1, $fill);
ImageRectangle($image, 0, 0, $width - 1, $height - 1, $border);
imagePNG($image);
imagedestroy($image);
}
function create_captcha()
{
session_start();
//生成验证码图片
Header("Content-type: image/PNG");
$im = imagecreate(44, 18);
// 画一张指定宽高的图片
$back = ImageColorAllocate($im, 245, 245, 245);
// 定义背景颜色
imagefill($im, 0, 0, $back);
//把背景颜色填充到刚刚画出来的图片中
$vcodes = "";
srand((double) microtime() * 1000000);
//生成4位数字
for ($i = 0; $i < 4; $i++) {
$font = ImageColorAllocate($im, rand(100, 255), rand(0, 100), rand(100, 255));
// 生成随机颜色
$authnum = rand(1, 9);
$vcodes .= $authnum;
imagestring($im, 5, 2 + $i * 10, 1, $authnum, $font);
}
$_SESSION['VCODE'] = $vcodes;
for ($i = 0; $i < 100; $i++) {
$randcolor = ImageColorallocate($im, rand(0, 255), rand(0, 255), rand(0, 255));
imagesetpixel($im, rand() % 70, rand() % 30, $randcolor);
// 画像素点函数
}
ImagePNG($im);
ImageDestroy($im);
}
function create_captcha($width = 60, $height = 32)
{
session_start();
//生成验证码图片
Header("Content-type: image/PNG");
$im = imagecreate($width, $height);
// width and height of image
$back = ImageColorAllocate($im, 245, 245, 245);
// specify background color
imagefill($im, 0, 0, $back);
// fill the background color into image
$vcodes = "";
srand((double) microtime() * 1000000);
//生成4位数字
for ($i = 0; $i < 4; $i++) {
$font = ImageColorAllocate($im, rand(100, 255), rand(0, 100), rand(100, 255));
// 生成随机颜色
$authnum = rand(1, 9);
$vcodes .= $authnum;
imagestring($im, 5, 2 + $i * 10, 1, $authnum, $font);
}
for ($i = 0; $i < 100; $i++) {
// interuppting
$randcolor = ImageColorallocate($im, rand(0, 255), rand(0, 255), rand(0, 255));
imagesetpixel($im, rand() % 70, rand() % 30, $randcolor);
// 画像素点函数
}
ImagePNG($im);
ImageDestroy($im);
$_SESSION['captcha'] = $vcodes;
}
function captcha_create($text, $config)
{
global $cfg;
// anzahl der zeichen
$count = strlen($text);
// schriftarten festlegen
$ttf = $config["ttf"];
// schriftgroesse festlegen
$ttf_size = $config["font"]["size"];
// schriftabstand rechts
$ttf_x = $config["font"]["x"];
// schriftabstand oben
$ttf_y = $config["font"]["y"];
// hintergrund erstellen
$ttf_img = ImageCreate($count * 2 * $ttf_size, 2 * $ttf_size);
// bgfarbe festlegen
$bg_color = ImageColorAllocate($ttf_img, $config["bg_color"][0], $config["bg_color"][1], $config["bg_color"][2]);
// textfarbe festlegen
$font_color = ImageColorAllocate($ttf_img, $config["font_color"][0], $config["font_color"][1], $config["font_color"][2]);
// schrift in bild einfuegen
foreach (str_split($text) as $key => $character) {
// schriftwinkel festlegen
$ttf_angle = rand(-25, 25);
// schriftarten auswaehlen
$ttf_font = $ttf[rand(0, count($ttf) - 1)];
imagettftext($ttf_img, $ttf_size, $ttf_angle, $ttf_size * 2 * $key + $ttf_x, $ttf_y, $font_color, $ttf_font, $character);
}
// bild temporaer als datei ausgeben
$captcha_crc = crc32($text . $config["randomize"]);
$captcha_name = "captcha-" . $captcha_crc . ".png";
$captcha_path = $cfg["file"]["base"]["maindir"] . $cfg["file"]["base"]["new"];
imagepng($ttf_img, $captcha_path . $captcha_name);
// bild loeschen
imagedestroy($ttf_img);
}
private static function image($frame, $pixelPerPoint = 4, $outerFrame = 4, $back_color = 0xffffff, $fore_color = 0x0)
{
$h = count($frame);
$w = strlen($frame[0]);
$imgW = $w + 2 * $outerFrame;
$imgH = $h + 2 * $outerFrame;
$base_image = ImageCreate($imgW, $imgH);
// convert a hexadecimal color code into decimal eps format (green = 0 1 0, blue = 0 0 1, ...)
$r1 = round(($fore_color & 0xff0000) >> 16, 5);
$b1 = round(($fore_color & 0xff00) >> 8, 5);
$g1 = round($fore_color & 0xff, 5);
// convert a hexadecimal color code into decimal eps format (green = 0 1 0, blue = 0 0 1, ...)
$r2 = round(($back_color & 0xff0000) >> 16, 5);
$b2 = round(($back_color & 0xff00) >> 8, 5);
$g2 = round($back_color & 0xff, 5);
$col[0] = ImageColorAllocate($base_image, $r2, $b2, $g2);
$col[1] = ImageColorAllocate($base_image, $r1, $b1, $g1);
imagefill($base_image, 0, 0, $col[0]);
for ($y = 0; $y < $h; $y++) {
for ($x = 0; $x < $w; $x++) {
if ($frame[$y][$x] == '1') {
ImageSetPixel($base_image, $x + $outerFrame, $y + $outerFrame, $col[1]);
}
}
}
$target_image = ImageCreate($imgW * $pixelPerPoint, $imgH * $pixelPerPoint);
ImageCopyResized($target_image, $base_image, 0, 0, 0, 0, $imgW * $pixelPerPoint, $imgH * $pixelPerPoint, $imgW, $imgH);
ImageDestroy($base_image);
return $target_image;
}
function draw_captcha($security_code)
{
//Set the image width and height
$width = 100;
$height = 25;
//Create the image resource
$image = ImageCreate($width, $height);
if (function_exists('imageantialias')) {
imageantialias($image, true);
}
//We are making three colors, white, black and gray
$white = ImageColorAllocate($image, 255, 255, 255);
$black = ImageColorAllocate($image, 15, 50, 15);
$grey = ImageColorAllocate($image, 204, 204, 204);
$ellipsec = ImageColorAllocate($image, 0, 100, 60);
//Make the background black
ImageFill($image, 0, 0, $black);
imagefilledellipse($image, 56, 15, 30, 17, $ellipsec);
//Add randomly generated string in white to the image
ImageString($image, 5, 30, 4, $security_code, $white);
//Throw in some lines to make it a little bit harder for any bots to break
ImageRectangle($image, 0, 0, $width - 1, $height - 1, $grey);
imageline($image, 0, $height / 2 + 3, $width, $height / 2 + 5, $grey);
imageline($image, $width / 2 - 14, 0, $width / 2 + 7, $height, $grey);
//Tell the browser what kind of file is come in
header("Content-Type: image/jpeg");
//Output the newly created image in jpeg format
ImageJpeg($image);
//Free up resources
ImageDestroy($image);
}
/**
* Generates the captcha image
*
* @since 4.0
* @access public
* @param string
* @return
*/
public function generate()
{
$id = $this->input->get('id', '', 'int');
// Load up the captcha object
$captcha = EB::table('Captcha');
// Clear outdated keys
$captcha->clear();
// load the captcha records.
$captcha->load($id);
if (!$captcha->id) {
return false;
}
// @task: Generate a very random integer and take only 5 chars max.
$hash = JString::substr(md5(rand(0, 9999)), 0, 5);
$captcha->response = $hash;
$captcha->store();
// Captcha width and height
$width = 100;
$height = 20;
$image = ImageCreate($width, $height);
$white = ImageColorAllocate($image, 255, 255, 255);
$black = ImageColorAllocate($image, 0, 0, 0);
$gray = ImageColorAllocate($image, 204, 204, 204);
ImageFill($image, 0, 0, $white);
ImageString($image, 5, 30, 3, $hash, $black);
ImageRectangle($image, 0, 0, $width - 1, $height - 1, $gray);
imageline($image, 0, $height / 2, $width, $height / 2, $gray);
imageline($image, $width / 2, 0, $width / 2, $height, $gray);
header('Content-type: image/jpeg');
ImageJpeg($image);
ImageDestroy($image);
exit;
}
public function colorHex($img, $hexColorString)
{
$r = hexdec(substr($hexColorString, 0, 2));
$g = hexdec(substr($hexColorString, 2, 2));
$b = hexdec(substr($hexColorString, 4, 2));
return ImageColorAllocate($img, $r, $g, $b);
}
function ReturnShowKeyColor($img)
{
global $public_r;
//背景色
if ($public_r['keybgcolor']) {
$bgcr = ToReturnRGB($public_r['keybgcolor']);
$r['bgcolor'] = imagecolorallocate($img, $bgcr[0], $bgcr[1], $bgcr[2]);
} else {
$r['bgcolor'] = imagecolorallocate($img, 102, 102, 102);
}
//文字色
if ($public_r['keyfontcolor']) {
$fcr = ToReturnRGB($public_r['keyfontcolor']);
$r['fontcolor'] = ImageColorAllocate($img, $fcr[0], $fcr[1], $fcr[2]);
} else {
$r['fontcolor'] = ImageColorAllocate($img, 255, 255, 255);
}
//干扰色
if ($public_r['keydistcolor']) {
$dcr = ToReturnRGB($public_r['keydistcolor']);
$r['distcolor'] = ImageColorAllocate($img, $dcr[0], $dcr[1], $dcr[2]);
} else {
$r['distcolor'] = ImageColorAllocate($img, 71, 71, 71);
}
return $r;
}
/**
* 图像二值化
*
* @param number $grey
*/
public function change_grey($grey = 100)
{
for ($y = 0; $y < $this->ih; ++$y) {
for ($x = 0; $x < $this->iw; ++$x) {
$rgb = imagecolorat($this->image, $x, $y);
if (($rgb >> 16 & 0xff) > $grey) {
$red = 255;
} else {
$red = 0;
}
if (($rgb >> 8 & 0xff) > $grey) {
$green = 255;
} else {
$green = 0;
}
if (($rgb & 0xff) > $grey) {
$blue = 255;
} else {
$blue = 0;
}
imagesetpixel($this->image, $x, $y, ImageColorAllocate($this->image, $red, $green, $blue));
}
}
$this->fingerprint();
$this->filter_info();
$this->dealwith_data();
}
function weldOverview2PNG($url_overview, $url_extent, $filename)
{
if (!$url_overview || $url_overview == "") {
$e = new mb_exception("weldOverview2PNG: no maprequests delivered");
}
$url = $url_overview;
$obj1 = new stripRequest($url);
$width = $obj1->get("width");
$height = $obj1->get("height");
/*
$e = new mb_exception("--------overview-----------------");
$e = new mb_exception("-----width ".$width." / height: ".$height."--------------------");
$e = new mb_exception("url_overview: ".$url_overview);
$e = new mb_exception("url_extent: ".$url_extent);
*/
$image = imagecreatetruecolor($width, $height);
$white = ImageColorAllocate($image, 255, 255, 255);
ImageFilledRectangle($image, 0, 0, $width, $height, $white);
//overview
$obj = new stripRequest($url_overview);
$xurl_overview = $obj->setPNG();
$xurl_overview = $obj->encodeGET();
$img = $this->loadpng($xurl_overview);
if ($img != false) {
imagecopy($image, $img, 0, 0, 0, 0, $width, $height);
} else {
$e = new mb_exception("weldMaps2PNG: unable to load image: " . $url_overview);
}
// rectangle - position of the map in the overview
$objx = new stripRequest($url_extent);
$ex_width = $objx->get("width");
$ex_height = $objx->get("height");
$extent = explode(",", $objx->get("BBOX"));
$lowerleft = $this->makeRealWorld2mapPos($url_overview, round($extent[0]), round($extent[1]));
$upperright = $this->makeRealWorld2mapPos($url_overview, $extent[2], $extent[3]);
/*
$e = new mb_exception("ex_width: " .$ex_width);
$e = new mb_exception("ex_height: " . $ex_height);
$e = new mb_exception("bbox:".$extent[0]."--".$extent[1]."--".$extent[2]."--------".$extent[3]);
$e = new mb_exception("ll: " . $lowerleft[0]." / ".$lowerleft[1]);
$e = new mb_exception("ur: " . $upperright[0]." / ".$upperright[1]);
*/
$lowerleft[0] = round($lowerleft[0]);
$lowerleft[1] = round($lowerleft[1]);
$upperright[0] = round($upperright[0]);
$upperright[1] = round($upperright[1]);
$red = ImageColorAllocate($image, 255, 0, 0);
imageline($image, $lowerleft[0], $upperright[1], $upperright[0], $upperright[1], $red);
imageline($image, $upperright[0], $upperright[1], $upperright[0], $lowerleft[1], $red);
imageline($image, $upperright[0], $lowerleft[1], $lowerleft[0], $lowerleft[1], $red);
imageline($image, $lowerleft[0], $lowerleft[1], $lowerleft[0], $upperright[1], $red);
// black frame - size of the overview
$black = ImageColorAllocate($image, 0, 0, 0);
imageline($image, 0, 0, $width - 1, 0, $black);
imageline($image, $width - 1, 0, $width - 1, $height - 1, $black);
imageline($image, $width - 1, $height - 1, 0, $height - 1, $black);
imageline($image, 0, $height - 1, 0, 0, $black);
imagepng($image, $filename);
imagedestroy($image);
}
/**
* Generates a random captcha image
*
**/
function display($cachable = false, $urlparams = false)
{
// @TODO: Run some cleaning query here to clear the database.
JTable::addIncludePath(DISCUSS_TABLES);
$id = JRequest::getInt('captcha-id', '');
$captcha = DiscussHelper::getTable('Captcha');
// clearing the oudated keys.
$captcha->clear();
// load the captcha records.
$captcha->load($id);
if (!$captcha->id) {
return false;
}
// @task: Generate a very random integer and take only 5 chars max.
$hash = JString::substr(md5(rand(0, 9999)), 0, 5);
$captcha->response = $hash;
$captcha->store();
// Captcha width and height
$width = 100;
$height = 20;
$image = ImageCreate($width, $height);
$white = ImageColorAllocate($image, 255, 255, 255);
$black = ImageColorAllocate($image, 0, 0, 0);
$gray = ImageColorAllocate($image, 204, 204, 204);
ImageFill($image, 0, 0, $white);
ImageString($image, 5, 30, 3, $hash, $black);
ImageRectangle($image, 0, 0, $width - 1, $height - 1, $gray);
imageline($image, 0, $height / 2, $width, $height / 2, $gray);
imageline($image, $width / 2, 0, $width / 2, $height, $gray);
header('Content-type: image/jpeg');
ImageJpeg($image);
ImageDestroy($image);
exit;
}
/**
* Returns a mask
*
* @param \WideImage\Image $image
* @return \WideImage\Image
*/
public function execute($image)
{
$width = $image->getWidth();
$height = $image->getHeight();
$mask = TrueColorImage::create($width, $height);
$mask->setTransparentColor(-1);
$mask->alphaBlending(false);
$mask->saveAlpha(false);
for ($i = 0; $i <= 255; $i++) {
$greyscale[$i] = ImageColorAllocate($mask->getHandle(), $i, $i, $i);
}
imagefilledrectangle($mask->getHandle(), 0, 0, $width, $height, $greyscale[255]);
$transparentColor = $image->getTransparentColor();
$alphaToGreyRatio = 255 / 127;
for ($x = 0; $x < $width; $x++) {
for ($y = 0; $y < $height; $y++) {
$color = $image->getColorAt($x, $y);
if ($color == $transparentColor) {
$rgba['alpha'] = 127;
} else {
$rgba = $image->getColorRGB($color);
}
imagesetpixel($mask->getHandle(), $x, $y, $greyscale[255 - round($rgba['alpha'] * $alphaToGreyRatio)]);
}
}
return $mask;
}
function ConvertToImage($content)
{
$imageFile = ".counter.png";
$relativePath = ".counter.png";
$noOfChars = strlen($content);
$charHeight = ImageFontHeight(5);
$charWidth = ImageFontWidth(5);
$strWidth = $charWidth * $noOfChars;
$strHeight = $charHeight;
//15 padding
$imgWidth = $strWidth + 15;
$imgHeight = $strHeight + 15;
$imgCenterX = $imgWidth / 2;
$imgCenterY = $imgHeight / 2;
$im = ImageCreate($imgWidth, $imgHeight);
$script = ImageColorAllocate($im, 0, 255, 0);
$outercolor = ImageColorAllocate($im, 99, 140, 214);
$innercolor = ImageColorAllocate($im, 0, 0, 0);
ImageFilledRectangle($im, 0, 0, $imgWidth, $imgHeight, $outercolor);
ImageFilledRectangle($im, 3, 3, $imgWidth - 4, $imgHeight - 4, $innercolor);
//draw string
$drawPosX = $imgCenterX - $strWidth / 2 + 1;
$drawPosY = $imgCenterY - $strHeight / 2;
ImageString($im, 5, $drawPosX, $drawPosY, $content, $script);
//save image and return
ImagePNG($im, $imageFile);
return $relativePath;
}
function getDataMatrix($code)
{
$x = 70;
// barcode center
$y = 70;
// barcode center
$height = 140;
// barcode height in 1D ; module size in 2D
$width = 4;
// barcode height in 1D ; not use in 2D
$angle = 90;
// rotation in degrees : nb : non horizontable barcode might not be usable because of pixelisation
$type = 'datamatrix';
$im = imagecreatetruecolor(140, 140);
$black = ImageColorAllocate($im, 0x0, 0x0, 0x0);
$white = ImageColorAllocate($im, 0xff, 0xff, 0xff);
$red = ImageColorAllocate($im, 0xff, 0x0, 0x0);
$blue = ImageColorAllocate($im, 0x0, 0x0, 0xff);
imagefilledrectangle($im, 0, 0, 140, 140, $white);
$data = \BarcodeGEN::gd($im, $black, $x, $y, $angle, $type, array('code' => $code), $width);
/*for($i=1; $i<5; $i++){
drawCross($im, $blue, $data['p'.$i]['x'], $data['p'.$i]['y']);
}*/
return $im;
}
function guvenlik_resmi()
{
$sifre = substr(md5(rand(0, 999999999999)), -5);
if ($sifre) {
$this->session->set_userdata('koruma', $sifre);
$yukseklik = 62;
$genislik = 200;
$resim = ImageCreate($genislik, $yukseklik);
$siyah = ImageColorAllocate($resim, 0, 0, 0);
$kirmizi = ImageColorAllocate($resim, 182, 16, 99);
$beyaz = ImageColorAllocate($resim, 255, 255, 255);
ImageFill($resim, 0, 0, $beyaz);
$font = 'css/comic.ttf';
$font_boyut = 24;
$sM = 30;
$uM = 45;
//kullanımı
//resim adı, font boyutu, yazının açısı, yazının soldan margini, üstten margin, renk, font adı, şifrenin hangi digitinin yazılacağı bellirtiliyor
imagettftext($resim, $font_boyut, rand(-45, 45), $sMa = $sM, $uM, rand(0, 255), $font, $sifre[0]);
imagettftext($resim, $font_boyut, rand(-45, 45), $sM = $sMa + $sM, $uM, rand(0, 255), $font, $sifre[1]);
imagettftext($resim, $font_boyut, rand(-45, 45), $sM = $sMa + $sM, $uM, rand(0, 255), $font, $sifre[2]);
imagettftext($resim, $font_boyut, rand(-45, 45), $sM = $sMa + $sM, $uM, rand(0, 255), $font, $sifre[3]);
imagettftext($resim, $font_boyut, rand(-45, 45), $sM = $sMa + $sM, $uM, rand(0, 255), $font, $sifre[4]);
//ImageRectangle($resim, 0, 0, $genislik-1, $yukseklik-1, $kirmizi);
imageline($resim, 0, $yukseklik / 2, $genislik, $yukseklik / 2, $kirmizi);
imageline($resim, $genislik / 2, 0, $genislik / 2, $yukseklik, $kirmizi);
header("Content-Type: image/png");
ImagePng($resim);
ImageDestroy($resim);
}
exit;
}
function rand_create()
{
//通知浏览器将要输出PNG图片
Header("Content-type: image/PNG");
//准备好随机数发生器种子
srand((double) microtime() * 1000000);
//准备图片的相关参数
$im = imagecreate(62, 20);
$black = ImageColorAllocate($im, 0, 0, 0);
//RGB黑色标识符
$white = ImageColorAllocate($im, 255, 255, 255);
//RGB白色标识符
$gray = ImageColorAllocate($im, 200, 200, 200);
//RGB灰色标识符
//开始作图
imagefill($im, 0, 0, $gray);
while (($randval = rand() % 100000) < 10000) {
}
$_SESSION["login_check_num"] = $randval;
//将四位整数验证码绘入图片
imagestring($im, 5, 10, 3, $randval, $black);
//加入干扰象素
for ($i = 0; $i < 200; $i++) {
$randcolor = ImageColorallocate($im, rand(0, 255), rand(0, 255), rand(0, 255));
imagesetpixel($im, rand() % 70, rand() % 30, $randcolor);
}
//输出验证图片
ImagePNG($im);
//销毁图像标识符
ImageDestroy($im);
}
private static function image($frame, $pixelPerPoint = 4, $outerFrame = 4)
{
$h = count($frame);
$w = strlen($frame[0]);
$imgW = $w + 2 * $outerFrame;
$imgH = $h + 2 * $outerFrame;
$base_image = imagecreatetruecolor($imgW, $imgH);
$col[0] = ImageColorAllocate($base_image, 255, 0, 255);
$col[1] = ImageColorAllocate($base_image, 0, 0, 0);
imagecolortransparent($base_image, $col[0]);
imagealphablending($base_image, true);
imagesavealpha($base_image, true);
// imagefill($base_image, 0, 0, $col[0]);
imagefill($base_image, 0, 0, 0x7fff0000);
for ($y = 0; $y < $h; $y++) {
for ($x = 0; $x < $w; $x++) {
if ($frame[$y][$x] == '1') {
ImageSetPixel($base_image, $x + $outerFrame, $y + $outerFrame, $col[1]);
}
}
}
$target_image = ImageCreate($imgW * $pixelPerPoint, $imgH * $pixelPerPoint);
ImageCopyResized($target_image, $base_image, 0, 0, 0, 0, $imgW * $pixelPerPoint, $imgH * $pixelPerPoint, $imgW, $imgH);
ImageDestroy($base_image);
return $target_image;
}
/**
*
* long description
* @global object
* @param object $dst_img
* @param object $src_img
* @param int $dst_x
* @param int $dst_y
* @param int $src_x
* @param int $src_y
* @param int $dst_w
* @param int $dst_h
* @param int $src_w
* @param int $src_h
* @return bool
* @todo Finish documenting this function
*/
function ImageCopyBicubic($dst_img, $src_img, $dst_x, $dst_y, $src_x, $src_y, $dst_w, $dst_h, $src_w, $src_h)
{
global $CFG;
if (function_exists('ImageCopyResampled') and $CFG->gdversion >= 2) {
return ImageCopyResampled($dst_img, $src_img, $dst_x, $dst_y, $src_x, $src_y, $dst_w, $dst_h, $src_w, $src_h);
}
$totalcolors = imagecolorstotal($src_img);
for ($i = 0; $i < $totalcolors; $i++) {
if ($colors = ImageColorsForIndex($src_img, $i)) {
ImageColorAllocate($dst_img, $colors['red'], $colors['green'], $colors['blue']);
}
}
$scaleX = ($src_w - 1) / $dst_w;
$scaleY = ($src_h - 1) / $dst_h;
$scaleX2 = $scaleX / 2.0;
$scaleY2 = $scaleY / 2.0;
for ($j = 0; $j < $dst_h; $j++) {
$sY = $j * $scaleY;
for ($i = 0; $i < $dst_w; $i++) {
$sX = $i * $scaleX;
$c1 = ImageColorsForIndex($src_img, ImageColorAt($src_img, (int) $sX, (int) $sY + $scaleY2));
$c2 = ImageColorsForIndex($src_img, ImageColorAt($src_img, (int) $sX, (int) $sY));
$c3 = ImageColorsForIndex($src_img, ImageColorAt($src_img, (int) $sX + $scaleX2, (int) $sY + $scaleY2));
$c4 = ImageColorsForIndex($src_img, ImageColorAt($src_img, (int) $sX + $scaleX2, (int) $sY));
$red = (int) (($c1['red'] + $c2['red'] + $c3['red'] + $c4['red']) / 4);
$green = (int) (($c1['green'] + $c2['green'] + $c3['green'] + $c4['green']) / 4);
$blue = (int) (($c1['blue'] + $c2['blue'] + $c3['blue'] + $c4['blue']) / 4);
$color = ImageColorClosest($dst_img, $red, $green, $blue);
ImageSetPixel($dst_img, $i + $dst_x, $j + $dst_y, $color);
}
}
}
function create_image()
{
// *** Generate a passcode using md5
// (it will be all lowercase hex letters and numbers ***
$md5 = md5(rand(0, 9999));
$pass = substr($md5, 10, 5);
// *** Set the session cookie so we know what the passcode is ***
$_SESSION["pass"] = $pass;
// *** Create the image resource ***
$image = ImageCreatetruecolor(100, 20);
// *** We are making two colors, white and black ***
$clr_white = ImageColorAllocate($image, 255, 255, 255);
$clr_black = ImageColorAllocate($image, 0, 0, 0);
// *** Make the background black ***
imagefill($image, 0, 0, $clr_black);
// *** Set the image height and width ***
imagefontheight(15);
imagefontwidth(15);
// *** Add the passcode in white to the image ***
imagestring($image, 5, 30, 3, $pass, $clr_white);
// *** Throw in some lines to trick those cheeky bots! ***
imageline($image, 5, 1, 50, 20, $clr_white);
imageline($image, 60, 1, 96, 20, $clr_white);
// *** Return the newly created image in jpeg format ***
return imagejpeg($image);
// *** Just in case... ***
imagedestroy($image);
}
function getAuthImage($text)
{
$this->setpin($text);
$im_x = 160;
$im_y = 40;
$im = imagecreatetruecolor($im_x, $im_y);
$text_c = ImageColorAllocate($im, mt_rand(0, 100), mt_rand(0, 100), mt_rand(0, 100));
$tmpC0 = mt_rand(100, 255);
$tmpC1 = mt_rand(100, 255);
$tmpC2 = mt_rand(100, 255);
$buttum_c = ImageColorAllocate($im, $tmpC0, $tmpC1, $tmpC2);
imagefill($im, 16, 13, $buttum_c);
$font = PATH_SYS_PUBLIC . 'font-awesome/fonts/verdana.ttf';
for ($i = 0; $i < strlen($text); $i++) {
$tmp = substr($text, $i, 1);
$array = array(-1, 1);
$p = array_rand($array);
$an = $array[$p] * mt_rand(1, 10);
//角度
$size = 28;
imagettftext($im, $size, $an, 15 + $i * $size, 35, $text_c, $font, $tmp);
}
$distortion_im = imagecreatetruecolor($im_x, $im_y);
imagefill($distortion_im, 16, 13, $buttum_c);
for ($i = 0; $i < $im_x; $i++) {
for ($j = 0; $j < $im_y; $j++) {
$rgb = imagecolorat($im, $i, $j);
if ((int) ($i + 20 + sin($j / $im_y * 2 * M_PI) * 10) <= imagesx($distortion_im) && (int) ($i + 20 + sin($j / $im_y * 2 * M_PI) * 10) >= 0) {
imagesetpixel($distortion_im, (int) ($i + 10 + sin($j / $im_y * 2 * M_PI - M_PI * 0.1) * 4), $j, $rgb);
}
}
}
//加入干扰象素;
$count = 160;
//干扰像素的数量
for ($i = 0; $i < $count; $i++) {
$randcolor = ImageColorallocate($distortion_im, mt_rand(0, 255), mt_rand(0, 255), mt_rand(0, 255));
imagesetpixel($distortion_im, mt_rand() % $im_x, mt_rand() % $im_y, $randcolor);
}
$rand = mt_rand(5, 30);
$rand1 = mt_rand(15, 25);
$rand2 = mt_rand(5, 10);
for ($yy = $rand; $yy <= +$rand + 2; $yy++) {
for ($px = -80; $px <= 80; $px = $px + 0.1) {
$x = $px / $rand1;
if ($x != 0) {
$y = sin($x);
}
$py = $y * $rand2;
imagesetpixel($distortion_im, $px + 80, $py + $yy, $text_c);
}
}
//设置文件头;
Header("Content-type: image/JPEG");
//以PNG格式将图像输出到浏览器或文件;
ImagePNG($distortion_im);
//销毁一图像,释放与image关联的内存;
ImageDestroy($distortion_im);
ImageDestroy($im);
}
function GraphNormalize($title, $options = NULL)
{
$this->options = $options;
$this->interval = $this->options['interval'] ? $this->options['interval'] : 10;
// TODO: Move these to friendly options
$this->image_size = array(600, 400);
$this->canvas_offset = array(25, 50, 25, 25);
$this->canvas_size = array($this->image_size[0] - ($this->canvas_offset[0] + $this->canvas_offset[2]), $this->image_size[1] - ($this->canvas_offset[1] + $this->canvas_offset[3]));
// Actual creation stuff
$this->graph = ImageCreate($this->image_size[0], $this->image_size[1]);
$this->color['background'] = ImageColorAllocate($this->graph, 0xff, 0xff, 0xff);
$this->color['line'] = ImageColorAllocate($this->graph, 0x60, 0x60, 0x60);
$this->color['border'] = ImageColorAllocate($this->graph, 0x0, 0x0, 0x0);
$this->color['text'] = ImageColorAllocate($this->graph, 0x0, 0x0, 0x0);
$this->color['grid'] = ImageColorAllocate($this->graph, 0xc0, 0xc0, 0xc0);
$this->color['canvas'] = ImageColorAllocate($this->graph, 0xe0, 0xe0, 0xe0);
$this->color['legendbox'] = ImageColorAllocate($this->graph, 0xd0, 0xd0, 0xf0);
$this->color['titlebox'] = ImageColorAllocate($this->graph, 0xd0, 0xf0, 0xf0);
$this->color['data'] = array(ImageColorAllocate($this->graph, 0xff, 0x0, 0x0), ImageColorAllocate($this->graph, 0x0, 0xcc, 0x0), ImageColorAllocate($this->graph, 0x0, 0x0, 0xff), ImageColorAllocate($this->graph, 0xff, 0xff, 0x0), ImageColorAllocate($this->graph, 0x0, 0xff, 0xff), ImageColorAllocate($this->graph, 0xff, 0x0, 0xff));
$this->font = 'lib/template/default/Vera.ttf';
$this->title = $title;
$this->set_count = 0;
// Define canvas, so we don't go crazy
$this->ca = array($this->canvas_offset[0], $this->canvas_offset[1], $this->canvas_size[0] - $this->canvas_offset[2] - 1, $this->canvas_size[1] - $this->canvas_offset[3] - 1);
}
function JPGText($str, $fontname, $fontsize, $backcol, $txtcol)
{
global $layout;
Header("Last-Modified: " . gmDate("D, d M Y H:i:s", Time()) . " GMT");
Header("Expires: " . gmDate("D, d M Y H:i:s", Time() - 3601) . " GMT");
Header("Pragma: no-cache");
Header("Cache-control: no-cache");
Header("Content-Type: image/jpeg");
$a = ImageTTFBBox($fontsize, 0, $fontname, $str);
$width = $a[2] + 4;
$bla = get_maximum_height($fontname, $fontsize);
$height = $bla[0] + 3;
$bl = $bla[1];
$im = ImageCreate($width, $height);
$bgcol = ImageColorAllocate($im, $backcol['red'], $backcol['green'], $backcol['blue']);
$fgcol = ImageColorAllocate($im, $txtcol['red'], $txtcol['green'], $txtcol['blue']);
if (!function_exists(imagegif)) {
imageTTFText($im, $fontsize, 0, 2, $bl + $fontsize / 6 + 2, $fgcol, $fontname, $str);
imagejpeg($im, "", 80);
} else {
ImageColorTransparent($im, $bgcol);
imageTTFText($im, $fontsize, 0, 2, $bl + $fontsize / 6 + 2, $fgcol, $fontname, $str);
imagegif($im);
}
ImageDestroy($im);
}
private static function image($frame, $pixelPerPoint = 4, $outerFrame = 4)
{
$h = count($frame);
$w = strlen($frame[0]);
$imgW = $w + 2 * $outerFrame;
$imgH = $h + 2 * $outerFrame;
$base_image = ImageCreate($imgW, $imgH);
$col[0] = ImageColorAllocate($base_image, 255, 255, 255);
$col[1] = ImageColorAllocate($base_image, 0, 0, 0);
imagefill($base_image, 0, 0, $col[0]);
for ($y = 0; $y < $h; $y++) {
for ($x = 0; $x < $w; $x++) {
if ($frame[$y][$x] == '1') {
ImageSetPixel($base_image, $x + $outerFrame, $y + $outerFrame, $col[1]);
}
}
}
//$target_image =ImageCreate($imgW * $pixelPerPoint, $imgH * $pixelPerPoint);
//ImageCopyResized($target_image, $base_image, 0, 0, 0, 0, $imgW * $pixelPerPoint, $imgH * $pixelPerPoint, $imgW, $imgH);
//Get Desired size of image.
//Insert the following code to generate desired size QR Code
//Example:----- (Note: this should be written in the file where we are going to generate the QR Code)
//------define('IMAGE_WIDTH',160);
//------define('IMAGE_HEIGHT',160);
//------QRcode::png();
$targetW = defined('IMAGE_WIDTH') ? IMAGE_WIDTH : $imgW * $pixelPerPoint;
$targetH = defined('IMAGE_HEIGHT') ? IMAGE_HEIGHT : $imgH * $pixelPerPoint;
$target_image = ImageCreate($targetW, $targetH);
ImageCopyResized($target_image, $base_image, 0, 0, 0, 0, $targetW, $targetH, $imgW, $imgH);
//Transparent Background QR code
ImageColorTransparent($target_image, $col[0]);
ImageDestroy($base_image);
return $target_image;
}
function mkimage($data)
{
$data_array = explode("\n", $data);
$c = count($data_array) - 1;
$image_size = $c;
$output_size = ($c + $this->quiet_zone * 2) * $this->module_size;
$img = ImageCreate($image_size, $image_size);
$white = ImageColorAllocate($img, 255, 255, 255);
$black = ImageColorAllocate($img, 0, 0, 0);
$im = ImageCreate($output_size, $output_size);
$white2 = ImageColorAllocate($im, 255, 255, 255);
ImageFill($im, 0, 0, $white2);
$y = 0;
foreach ($data_array as $row) {
$x = 0;
while ($x < $image_size) {
if (substr($row, $x, 1) == "1") {
ImageSetPixel($img, $x, $y, $black);
}
$x++;
}
$y++;
}
$quiet_zone_offset = $this->quiet_zone * $this->module_size;
$image_width = $image_size * $this->module_size;
ImageCopyResized($im, $img, $quiet_zone_offset, $quiet_zone_offset, 0, 0, $image_width, $image_width, $image_size, $image_size);
return $im;
}