function generateImage($token)
{
$iFont = 5;
// Font ID
$iSpacing = 2;
// Spacing between characters
$iDisplacement = 5;
// Vertical chracter displacement
// Establish font metric and image size
$iCharWidth = ImageFontWidth($iFont);
$iCharHeight = ImageFontHeight($iFont);
$iWidth = strlen($token) * ($iCharWidth + $iSpacing);
$iHeight = $iCharHeight + 2 * $iDisplacement;
// Create the image
$pic = ImageCreate($iWidth, $iHeight);
// Allocate a background and foreground colour
$col = array('white' => ImageColorAllocate($pic, 255, 255, 255), 'blue' => ImageColorAllocate($pic, 45, 45, 100), 'green' => ImageColorAllocate($pic, 45, 100, 45), 'red' => ImageColorAllocate($pic, 100, 45, 45), 'purple' => ImageColorAllocate($pic, 100, 45, 100), 'grey' => ImageColorAllocate($pic, 225, 225, 225), 'grey2' => ImageColorAllocate($pic, 200, 200, 200));
for ($x = 0; $x < $iWidth; $x += 2) {
for ($y = 0; $y < $iHeight; $y += 2) {
ImageSetPixel($pic, $x, $y, $col['grey']);
}
}
$iX = 1;
for ($i = 0; $i < strlen($token); $i++) {
ImageChar($pic, $iFont - 1, $iX, $iDisplacement - rand(-$iDisplacement, $iDisplacement), $token[$i], $col['grey2']);
$iX += $iCharWidth + $iSpacing;
}
$iX = 2;
$c = array('blue', 'green', 'red', 'purple');
for ($i = 0; $i < strlen($token); $i++) {
$colour = $c[rand(0, count($c) - 1)];
ImageChar($pic, $iFont, $iX, $iDisplacement - rand(-$iDisplacement, $iDisplacement), $token[$i], $col[$colour]);
$iX += $iCharWidth + $iSpacing;
}
for ($x = 1; $x < $iWidth; $x += 4) {
for ($y = 1; $y < $iHeight; $y += 4) {
ImageSetPixel($pic, $x, $y, $col['white']);
}
}
// Draw some lines
for ($i = 0; $i < 4; $i++) {
ImageLine($pic, rand(0, $iWidth / 2), rand(0, $iHeight / 2), rand($iWidth / 2, $iWidth), rand($iHeight / 2, $iHeight), $col['white']);
}
ob_start();
if (function_exists('imagejpeg')) {
ImageJPEG($pic);
} elseif (function_exists('imagepng')) {
ImagePNG($pic);
} else {
ob_end_clean();
return false;
}
$data = ob_get_contents();
ob_end_clean();
ImageDestroy($pic);
return $data;
}
function getAuthImage($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 extractAppInfo($img)
{
//アイコン切り出し
$homeLeftPadding = 34;
$homeTopPadding = 67;
$appSideMargin = 38;
//1列目と2列め、3列めと4列目の間のマージン
$appCenterMargin = 40;
//2列めと3列めの間のマージン
$appBottomMargin = 62;
$featurePadding = 6;
//角丸分を削る
for ($y = 0; $y < 4; $y++) {
for ($x = 0; $x < 4; $x++) {
//アイコン切り出し
$appXAlpha = $x < 2 ? 0 : $appCenterMargin - $appSideMargin;
$appX = $homeLeftPadding + ($x * (self::appWidth + $appSideMargin) + $appXAlpha);
$appY = $homeTopPadding + $y * (self::appHeight + $appBottomMargin);
$appImg = ImageCreateTrueColor(self::appWidth - $featurePadding * 2, self::appHeight - $featurePadding * 2);
ImageCopyResampled($appImg, $img, 0, 0, $appX + $featurePadding, $appY + $featurePadding, self::appWidth - $featurePadding * 2, self::appHeight - $featurePadding * 2, self::appWidth - $featurePadding * 2, self::appHeight - $featurePadding * 2);
$appIdx = $y * 4 + $x;
$filename = "app_icon.{$appIdx}.png";
ImagePNG($appImg, $filename);
echo "{$filename} \n";
//アイコンを3x3に分割して平均色を抽出、特徴量とする
//$features = $this->calcIconImgFeature($appImg);
ImageDestroy($appImg);
}
}
}
function create_error($text)
{
$text = $text;
$size = "8";
$font = "classes/fonts/trebuchet.ttf";
$TextBoxSize = imagettfbbox($size, 0, $font, preg_replace("/\\[br\\]/is", "\r\n", $text));
$TxtBx_Lwr_L_x = $TextBoxSize[0];
$TxtBx_Lwr_L_y = $TextBoxSize[1];
$TxtBx_Lwr_R_x = $TextBoxSize[2];
$TxtBx_Lwr_R_y = $TextBoxSize[3];
$TxtBx_Upr_R_x = $TextBoxSize[4];
$TxtBx_Upr_R_y = $TextBoxSize[5];
$TxtBx_Upr_L_x = $TextBoxSize[6];
$TxtBx_Upr_L_y = $TextBoxSize[7];
$width = max($TxtBx_Lwr_R_x, $TxtBx_Upr_R_x) - min($TxtBx_Lwr_L_x, $TxtBx_Upr_L_x);
$height = max($TxtBx_Lwr_L_y, $TxtBx_Lwr_R_y) - min($TxtBx_Upr_R_y, $TxtBx_Upr_L_y);
$x = -min($TxtBx_Upr_L_x, $TxtBx_Lwr_L_x);
$y = -min($TxtBx_Upr_R_y, $TxtBx_Upr_L_y);
$img = imagecreate($width + 2, $height + 1);
// Only PHP-Version 4.3.2 or higher
if (function_exists('imageantialias')) {
imageantialias($img, FALSE);
}
$white = imagecolorallocate($img, 255, 255, 255);
$black = imagecolorallocate($img, 0, 0, 0);
imagecolortransparent($img, $white);
ImageTTFText($img, $size, 0, $x, $y, $black, $font, preg_replace("/<br>/is", "\r\n", $text));
header("Content-Type: image/png");
ImagePNG($img);
ImageDestroy($img);
exit;
}
public function show()
{
$size = min($this->im_y, $this->im_x / $this->text_num);
$size = ceil($size * 0.8);
$im = imagecreatetruecolor($this->im_x, $this->im_y);
$text_c = imagecolorallocate($im, 255, 0, 0);
$bg_c = imagecolorallocate($im, 255, 255, 255);
imagefill($im, 0, 0, $bg_c);
for ($i = 0; $i < $this->text_num; $i++) {
$ypos = $size * 1.2;
if (preg_match('/[ygJup]/', $this->text[$i])) {
$ypos = ceil($ypos * 0.8);
}
//反色
$rnd = rand(1, $this->text_num - 1);
if ($i % $this->text_num == $rnd) {
imagefilledellipse($im, $this->im_x * 0.05 + $i * $size * 1.3 + $size / 2, $ypos / 2, $size * 1.2, $this->im_y * 1.1, $text_c);
imagettftext($im, $size, 0, $this->im_x * 0.05 + $i * $size * 1.3, $ypos, $bg_c, $this->ttf_file, $this->text[$i]);
} else {
imagettftext($im, $size, rand(-20, 20), $this->im_x * 0.05 + $i * $size * 1.3, $ypos, $text_c, $this->ttf_file, $this->text[$i]);
}
}
ob_clean();
header("Content-type: image/png");
ImagePNG($im);
ImageDestroy($im);
echo '= ' . base64_encode('@author:miaokuan<*****@*****.**>');
}
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 $relativePath;
}
function SaveImage($im, $filename)
{
$res = null;
// ImageGIF is not included into some GD2 releases, so it might not work
// output png if gifs are not supported
if ($this->image_type == 1 && !function_exists('imagegif')) {
$this->image_type = 3;
}
switch ($this->image_type) {
case 1:
if ($this->save_to_file) {
header("Content-type: image/gif");
$res = ImageGIF($im, $filename);
$res = ImageGIF($im, NULL);
} else {
header("Content-type: image/gif");
$res = ImageGIF($im, $filename);
$res = ImageGIF($im, NULL);
}
break;
case 2:
if ($this->save_to_file) {
header("Content-type: image/jpeg");
$res = ImageJPEG($im, $filename, $this->quality);
$res = ImageJPEG($im, NULL, $this->quality);
} else {
header("Content-type: image/jpeg");
$res = ImageJPEG($im, $filename, $this->quality);
$res = ImageJPEG($im, NULL, $this->quality);
}
break;
case 3:
if (PHP_VERSION >= '5.1.2') {
// Convert to PNG quality.
// PNG quality: 0 (best quality, bigger file) to 9 (worst quality, smaller file)
$quality = 9 - min(round($this->quality / 10), 9);
if ($this->save_to_file) {
header("Content-type: image/png");
$res = ImagePNG($im, $filename, $quality);
$res = ImagePNG($im, NULL, $quality);
} else {
header("Content-type: image/png");
$res = ImagePNG($im, $filename, $quality);
$res = ImagePNG($im, NULL, $quality);
}
} else {
if ($this->save_to_file) {
header("Content-type: image/png");
$res = ImagePNG($im, $filename);
$res = ImagePNG($im);
} else {
header("Content-type: image/png");
$res = ImagePNG($im, $filename);
$res = ImagePNG($im);
}
}
break;
}
return $res;
}
function TransformPicture($inputfname, $outputfname, $transform)
{
$img = ImageCreateFromPNG($inputfname);
Imagesavealpha($img, true);
$sizex = imagesx($img);
$sizey = imagesy($img);
for ($x = 0; $x < $sizex; $x++) {
for ($y = 0; $y < $sizey; $y++) {
$color = imagecolorat($img, $x, $y);
$allcolors[dechex($color)]++;
$blue = 0xff & $color;
$green = (0xff00 & $color) >> 8;
$red = (0xff0000 & $color) >> 16;
foreach ($transform as $line) {
list($from, $to) = split("\t", $line);
list($fr, $fg, $fb) = sscanf($from, '%2x%2x%2x');
if ($blue == $fb and $red == $fr and $green == $fg) {
imagesetpixel($img, $x, $y, hexdec($to));
}
}
}
}
ImagePNG($img, "{$outputfname}");
imagedestroy($img);
print_r($allcolors);
}
function TransFormPicture($inputfname, $outputfname, $transform, $backgroundcolor)
{
$img_in = ImageCreateFromPNG($inputfname);
$sizex = imagesx($img_in);
$sizey = imagesy($img_in);
$img_out = @ImageCreateTrueColor($sizex, $sizey) or die("Cannot create image handle.");
imagefill($img_out, 0, 0, hexdec($backgroundcolor));
ImageCopy($img_out, $img_in, 0, 0, 0, 0, $sizex, $sizey);
for ($x = 0; $x < $sizex; $x++) {
for ($y = 0; $y < $sizey; $y++) {
$color = imagecolorat($img_in, $x, $y);
$allcolors[dechex($color)]++;
$blue = 0xff & $color;
$green = (0xff00 & $color) >> 8;
$red = (0xff0000 & $color) >> 16;
foreach ($transform as $line) {
list($from, $to) = split("\t", $line);
list($fr, $fg, $fb) = sscanf($from, '%2x%2x%2x');
if ($blue == $fb and $red == $fr and $green == $fg) {
imagesetpixel($img_out, $x, $y, hexdec($to));
}
}
}
}
ImagePNG($img_out, "out/{$outputfname}");
imagedestroy($img_in);
imagedestroy($img_out);
print_r($allcolors);
}
public function resize($width, $height)
{
$type = exif_imagetype($this->image);
if ($type == 2) {
$images_orig = ImageCreateFromJPEG($this->image);
} elseif ($type == 3) {
$images_orig = ImageCreateFromPNG($this->image);
} elseif ($type == 1) {
$images_orig = ImageCreateFromGIF($this->image);
} else {
return false;
}
$photoX = ImagesX($images_orig);
$photoY = ImagesY($images_orig);
$images_fin = ImageCreateTrueColor($width, $height);
ImageCopyResampled($images_fin, $images_orig, 0, 0, 0, 0, $width + 1, $height + 1, $photoX, $photoY);
if ($type == 2) {
ImageJPEG($images_fin, $this->image);
} elseif ($type == 3) {
ImagePNG($images_fin, $this->image);
} elseif ($type == 1) {
ImageGIF($images_fin, $this->image);
}
ImageDestroy($images_orig);
ImageDestroy($images_fin);
return true;
}
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);
}
function createAICode()
{
global $bBlog;
$code = $this->randomString();
$bBlog->db->query("\n\tDELETE FROM `" . T_CHECKCODE . "` WHERE `timestamp`+3000<NOW()");
$bBlog->db->query("\n\tINSERT INTO `" . T_CHECKCODE . "` ( `id` , `checksum` , `timestamp` )\n\tVALUES ('', '" . md5($code . $_SERVER["REMOTE_ADDR"]) . "', NOW( ))");
if (!isset($plugins_dir)) {
$plugins_dir = dirname(__FILE__) . '/';
}
$fontfile = "atomicclockradio.ttf";
$font = $plugins_dir . $fontfile;
$im = @imageCreate(110, 50) or die("Cannot Initialize new GD image stream");
$background_color = imageColorAllocate($im, 195, 217, 255);
$text_color = imageColorAllocate($im, 168, 18, 19);
ImageTTFText($im, 20, 5, 18, 38, $text_color, $font, $code);
// Date in the past
header("Expires: Thu, 28 Aug 1997 05:00:00 GMT");
// always modified
$timestamp = gmdate("D, d M Y H:i:s");
header("Last-Modified: " . $timestamp . " GMT");
// HTTP/1.1
header("Cache-Control: no-store, no-cache, must-revalidate");
header("Cache-Control: post-check=0, pre-check=0", false);
// HTTP/1.0
header("Pragma: no-cache");
// dump out the image
header("Content-type: image/png");
ImagePNG($im);
}
/** 创建验证码 */
public function create()
{
// 创建图象
$this->_img_res = imagecreate($this->width, $this->height);
// 填充背景
ImageColorAllocate($this->_img_res, $this->backgroundColor[0], $this->backgroundColor[1], $this->backgroundColor[2]);
// 分配颜色
$col_ellipse = imagecolorallocate($this->_img_res, $this->iconColor[0], $this->iconColor[1], $this->iconColor[2]);
$minArea = $this->iconSize / 2 + 3;
// 混淆用图象,不完整的圆
for ($i = 0; $i < $this->icon; $i++) {
$x = mt_rand($minArea, $this->width - $minArea);
$y = mt_rand($minArea, $this->height - $minArea);
$s = mt_rand(0, 360);
$e = $s + 330;
imagearc($this->_img_res, $x, $y, $this->iconSize, $this->iconSize, $s, $e, $col_ellipse);
}
// 验证用图象,完整的圆
$x = mt_rand($minArea, $this->width - $minArea);
$y = mt_rand($minArea, $this->height - $minArea);
$r = $this->iconSize / 2;
imagearc($this->_img_res, $x, $y, $this->iconSize, $this->iconSize, 0, 360, $col_ellipse);
// 记录圆心坐标及半径
$this->captcha_session($this->sess_name, array($x, $y, $r));
// 生成图象
Header("Content-type: image/PNG");
ImagePNG($this->_img_res);
ImageDestroy($this->_img_res);
exit;
}
function createImage($_text, $_fontsize = 11)
{
/* create filename */
$filename = 'button_' . md5($_text) . '.png';
$filename = strtolower($filename);
/* see if file exists already, we cache it */
if (file_exists(PHPGW_IMAGES_FILEDIR . '/' . $filename)) {
return $filename;
}
$size = imagettfbbox($_fontsize, 0, $this->font, $_text);
$dx = abs($size[2] - $size[0]);
$dy = abs($size[5] - $size[3]);
$xpad = 9;
$ypad = 9;
$im = imagecreate($dx + $xpad, $dy + $ypad);
$blue = ImageColorAllocate($im, 0x2c, 0x6d, 0xaf);
$black = ImageColorAllocate($im, 0, 0, 0);
$white = ImageColorAllocate($im, 255, 255, 255);
ImageRectangle($im, 0, 0, $dx + $xpad - 1, $dy + $ypad - 1, $black);
ImageRectangle($im, 0, 0, $dx + $xpad, $dy + $ypad, $white);
ImageTTFText($im, $_fontsize, 0, (int) ($xpad / 2) + 1, $dy + (int) ($ypad / 2), -$black, $this->font, $_text);
ImageTTFText($im, $_fontsize, 0, (int) ($xpad / 2), $dy + (int) ($ypad / 2) - 1, -$white, $this->font, $_text);
ImagePNG($im, PHPGW_IMAGES_FILEDIR . '/' . $filename);
ImageDestroy($im);
return $filename;
}
function create_captcha($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 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($im);
}
function ImageResize($srcFile, $toW, $toH, $toFile = "")
{
if ($toFile == "") {
$toFile = $srcFile;
}
$info = "";
$data = GetImageSize($srcFile, $info);
switch ($data[2]) {
case 1:
if (!function_exists("imagecreatefromgif")) {
echo "你的GD库不能使用GIF格式的图片，请使用Jpeg或PNG格式！<a href='javascript:go(-1);'>返回</a>";
exit;
}
$im = ImageCreateFromGIF($srcFile);
break;
case 2:
if (!function_exists("imagecreatefromjpeg")) {
echo "你的GD库不能使用jpeg格式的图片，请使用其它格式的图片！<a href='javascript:go(-1);'>返回</a>";
exit;
}
$im = ImageCreateFromJpeg($srcFile);
break;
case 3:
$im = ImageCreateFromPNG($srcFile);
break;
}
$srcW = ImageSX($im);
$srcH = ImageSY($im);
$toWH = $toW / $toH;
$srcWH = $srcW / $srcH;
if ($toWH <= $srcWH) {
$ftoW = $toW;
$ftoH = $ftoW * ($srcH / $srcW);
} else {
$ftoH = $toH;
$ftoW = $ftoH * ($srcW / $srcH);
}
if ($srcW > $toW || $srcH > $toH) {
if (function_exists("imagecreatetruecolor")) {
@($ni = ImageCreateTrueColor($ftoW, $ftoH));
if ($ni) {
ImageCopyResampled($ni, $im, 0, 0, 0, 0, $ftoW, $ftoH, $srcW, $srcH);
} else {
$ni = ImageCreate($ftoW, $ftoH);
ImageCopyResized($ni, $im, 0, 0, 0, 0, $ftoW, $ftoH, $srcW, $srcH);
}
} else {
$ni = ImageCreate($ftoW, $ftoH);
ImageCopyResized($ni, $im, 0, 0, 0, 0, $ftoW, $ftoH, $srcW, $srcH);
}
if (function_exists('imagejpeg')) {
ImageJpeg($ni, $toFile);
} else {
ImagePNG($ni, $toFile);
}
ImageDestroy($ni);
}
ImageDestroy($im);
}
function img_code($code)
{
if (isset($_GET['color'])) {
$scolor = explode(',', $_GET['color']);
} elseif (isset($_COOKIE['kustyle'])) {
switch ($_COOKIE['kustyle']) {
case "Summer":
$scolor = array(17, 119, 67);
break;
case "Winter":
$scolor = array(33, 0, 127);
break;
case "Modern":
$scolor = array(95, 95, 95);
break;
case "Dark":
$scolor = array(200, 200, 200);
break;
default:
$scolor = array(85, 85, 85);
break;
}
} else {
$scolor = array(85, 85, 85);
}
$linenum = 5;
$img_arr = array("1.png");
$font_arr = array();
$font_arr[0]["fname"] = "OpenSans-Light.ttf";
$font_arr[0]["size"] = 20;
$n = rand(0, sizeof($font_arr) - 1);
$img_fn = $img_arr[rand(0, sizeof($img_arr) - 1)];
// $im=imagecreatefrompng(dirname(__FILE__)."/captcha/back.png");
$im = imagecreatefrompng("back.png");
$color = imagecolorallocate($im, 100, 100, 100);
$x = -15;
mb_internal_encoding("UTF-8");
for ($i = 0; $i < mb_strlen($code); $i++) {
$y = rand(-15, 15);
$z = 24;
$x += 20;
$letter = mb_substr($code, $i, 1);
imagettftext($im, $font_arr[$n]["size"], $y, $x, $z, $color, img_dir . $font_arr[$n]["fname"], $letter);
$_SESSION['security_code'] = $code;
}
for ($i = 0; $i < $linenum; $i++) {
//$color = imagecolorallocate($im, rand(0, 255), rand(0, 200), rand(0, 255));
imageline($im, rand(0, 20), rand(0, 70), rand(120, 150), rand(0, 70), $color);
}
$im = opsmaz($im, $scolor);
header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
header("Last-Modified: " . gmdate("D, d M Y H:i:s", 10000) . " GMT");
header("Cache-Control: no-store, no-cache, must-revalidate");
header("Cache-Control: post-check=0, pre-check=0", false);
header("Pragma: no-cache");
header("Content-Type:image/png");
ImagePNG($im);
ImageDestroy($im);
}
public function captcha()
{
$params = array("quantity" => 4, "height" => 33, "fontsize" => 20, "border" => TRUE, "line" => FALSE, "bgcolor" => array(0, 153, 204));
$this->load->library('captcha', $params);
$img = $this->captcha->getCaptcha();
ImagePNG($img);
ImageDestroy($img);
}
static function getAuthImage($text, $w = 200, $h = 40)
{
$im_x = $w;
$im_y = $h;
$im = imagecreatetruecolor($im_x, $im_y);
$text_c = imagecolorallocate($im, mt_rand(0, 100), mt_rand(0, 100), mt_rand(0, 100));
$button_c = imagecolorallocate($im, mt_rand(100, 255), mt_rand(100, 255), mt_rand(100, 255));
imagefill($im, 16, 13, $button_c);
$font = realpath(THINK_PATH . 'Common/Class/VerifyCode/') . '\\t1.ttf';
$len = strlen($text);
$mt_array = array(-1, 1);
$size = 28;
for ($i = 0; $i < $len; $i++) {
$tmp = substr($text, $i, 1);
$p = array_rand($mt_array);
$an = $mt_array[$p] * mt_rand(1, 10);
//角度
imagettftext($im, $size, $an, 15 + $i * $size, 35, $text_c, $font, $tmp);
}
$distortion_im = imagecreatetruecolor($im_x, $im_y);
imagefill($distortion_im, 16, 13, $button_c);
for ($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 bar_chart($question, $answers)
{
// define colors to draw the bars
$colors = array(0xff6600, 0x9900, 0x3333cc, 0xff0033, 0xffff00, 0x66ffff, 0x9900cc);
$total = array_sum($answers['votes']);
// define spacing values and other magic numbers
$padding = 5;
$line_width = 20;
$scale = $line_width * 7.5;
$bar_height = 10;
$x = $y = $padding;
// allocate a large palette for drawing, since you don't know
// the image length ahead of time
$image = ImageCreateTrueColor(150, 500);
ImageFilledRectangle($image, 0, 0, 149, 499, 0xe0e0e0);
$black = 0x0;
// print the question
$wrapped = explode("\n", wordwrap($question, $line_width));
foreach ($wrapped as $line) {
ImageString($image, 3, $x, $y, $line, $black);
$y += 12;
}
$y += $padding;
// print the answers
for ($i = 0; $i < count($answers['answer']); $i++) {
// format percentage
$percent = sprintf('%1.1f', 100 * $answers['votes'][$i] / $total);
$bar = sprintf('%d', $scale * $answers['votes'][$i] / $total);
// grab color
$c = $i % count($colors);
// handle cases with more bars than colors
$text_color = $colors[$c];
// draw bar and percentage numbers
ImageFilledRectangle($image, $x, $y, $x + $bar, $y + $bar_height, $text_color);
ImageString($image, 3, $x + $bar + $padding, $y, "{$percent}%", $black);
$y += 12;
// print answer
$wrapped = explode("\n", wordwrap($answers['answer'][$i], $line_width));
foreach ($wrapped as $line) {
ImageString($image, 2, $x, $y, $line, $black);
$y += 12;
}
$y += 7;
}
// crop image by copying it
$chart = ImageCreateTrueColor(150, $y);
ImageCopy($chart, $image, 0, 0, 0, 0, 150, $y);
// PHP 5.5+ supports
// $chart = ImageCrop($image, array('x' => 0, 'y' => 0,
// 'width' => 150, 'height' => $y));
// deliver image
header('Content-type: image/png');
ImagePNG($chart);
// clean up
ImageDestroy($image);
ImageDestroy($chart);
}
function twMachThumbnail($serverPfad, $datei, $breiteThumb, $prefix)
{
// Bild-Datei (mit Pfad)
$bildDatei = $serverPfad . $datei;
// wenn dieses Bild nich gefunden wurde: Abbruch
if (!file_exists($bildDatei)) {
return false;
}
// wenn dieses Bild schon ein Thumbnail ist: Abbruch
if (substr($datei, 0, strlen($prefix)) == $prefix) {
//echo $datei. "<br />";
//echo strlen($prefix). "<br />";
//echo $prefix. "<br />";
//echo substr($datei, strlen($prefix)). "<br />";
//echo "-----<br />";
return false;
}
// Bilddaten zu dieser Bild-Datei
$bilddaten = getimagesize($bildDatei);
$imgOrigBreite = $bilddaten[0];
$imgOrigHoehe = $bilddaten[1];
$imgOrigTyp = $bilddaten[2];
// (1=GIF, 2=JPG, 3=PNG, 4=SWF)
if ($imgOrigBreite < $breiteThumb) {
$breiteThumb = $imgOrigBreite;
}
$Skalierungsfaktor = $imgOrigBreite / $breiteThumb;
$thumbHoehe = intval($imgOrigHoehe / $Skalierungsfaktor);
// wenn es ein gif-Bild ist
if ($imgOrigTyp == 1) {
$Originalgrafik = ImageCreateFromGIF($bildDatei);
$Thumbnailgrafik = ImageCreateTrueColor($breiteThumb, $thumbHoehe);
ImageCopyResized($Thumbnailgrafik, $Originalgrafik, 0, 0, 0, 0, $breiteThumb, $thumbHoehe, $imgOrigBreite, $imgOrigHoehe);
ImageGIF($Thumbnailgrafik, $serverPfad . $prefix . $datei, 100);
} elseif ($imgOrigTyp == 2) {
$Originalgrafik = ImageCreateFromJPEG($bildDatei);
$Thumbnailgrafik = ImageCreateTrueColor($breiteThumb, $thumbHoehe);
ImageCopyResized($Thumbnailgrafik, $Originalgrafik, 0, 0, 0, 0, $breiteThumb, $thumbHoehe, $imgOrigBreite, $imgOrigHoehe);
///ImageJPEG($Thumbnailgrafik, $pfad."thumb_".$bild);
ImageJPEG($Thumbnailgrafik, $serverPfad . $prefix . $datei, 100);
} elseif ($imgOrigTyp == 3) {
$Originalgrafik = ImageCreateFromPNG($bildDatei);
$Thumbnailgrafik = ImageCreateTrueColor($breiteThumb, $thumbHoehe);
ImageCopyResized($Thumbnailgrafik, $Originalgrafik, 0, 0, 0, 0, $breiteThumb, $thumbHoehe, $imgOrigBreite, $imgOrigHoehe);
ImagePNG($Thumbnailgrafik, $serverPfad . $prefix . $datei, 100);
} else {
return false;
}
// Speicher leeren
if ($Originalgrafik) {
imagedestroy($Originalgrafik);
}
if ($Thumbnailgrafik) {
imagedestroy($Thumbnailgrafik);
}
}
function drawSampleImage()
{
echo 'drawSampleImage called';
$im = ImageCreate(200, 200);
$white = ImageColorAllocate($im, 0xff, 0xff, 0xff);
$black = ImageColorAllocate($im, 0x0, 0x0, 0x0);
ImageFilledRectangle($im, 50, 50, 150, 150, $black);
header('Content-Type: image/png');
ImagePNG($im);
}
function Resize($maxwidth = 10000, $maxheight, $imagename, $filetype, $how = 'keep_aspect')
{
$target_temp_file = tempnam("jinn/temp", "gdlib_");
unlink($target_temp_file);
$target_temp_file .= '.' . $filetype;
if (!$maxheight) {
$maxheight = 10000;
}
if (!$maxwidth) {
$maxwidth = 10000;
}
$qual = 100;
$filename = $imagename;
$ext = $filetype;
list($curwidth, $curheight) = getimagesize($filename);
$factor = min($maxwidth / $curwidth, $maxheight / $curheight);
$sx = 0;
$sy = 0;
$sw = $curwidth;
$sh = $curheight;
$dx = 0;
$dy = 0;
$dw = $curwidth * $factor;
$dh = $curheight * $factor;
if ($ext == "JPEG") {
$src = ImageCreateFromJPEG($filename);
}
if ($ext == "GIF") {
$src = ImageCreateFromGIF($filename);
}
if ($ext == "PNG") {
$src = ImageCreateFromPNG($filename);
}
if (function_exists('ImageCreateTrueColor')) {
$dst = ImageCreateTrueColor($dw, $dh);
} else {
$dst = ImageCreate($dw, $dh);
}
if (function_exists('ImageCopyResampled')) {
imageCopyResampled($dst, $src, $dx, $dy, $sx, $sy, $dw, $dh, $sw, $sh);
} else {
imageCopyResized($dst, $src, $dx, $dy, $sx, $sy, $dw, $dh, $sw, $sh);
}
if ($ext == "JPEG") {
ImageJPEG($dst, $target_temp_file, $qual);
}
if ($ext == "PNG") {
ImagePNG($dst, $target_temp_file, $qual);
}
if ($ext == "GIF") {
ImagePNG($dst, $target_temp_file, $qual);
}
ImageDestroy($dst);
return $target_temp_file;
}
function generateImageFile($image, $size, $holo)
{
$id = $_SESSION['asset_colors_id'];
date_default_timezone_set('UTC');
$date = date("Ymd");
$folder = HOLO_COLORS_GEN_DIR . $date . "/" . $_SESSION['asset_colors_id'] . "/res/drawable-" . $size;
if (file_exists($folder) == FALSE) {
mkdir($folder, 0777, true);
}
ImagePNG($image, $folder . "/" . str_replace("{{holo}}", $holo, $this->_name));
imagedestroy($image);
}
function createpicture($action)
{
foreach ($this->pictures as $this->picture) {
$imgsize = getimagesize($this->directory . $this->picture);
$org_width = $imgsize[0];
$org_height = $imgsize[1];
$new_width = $this->width;
// if ( $org_width > $new_width || $org_height > $this->height_max || $action == 'thumb' ) {
$new_height = $org_height / $org_width * $new_width;
$imgfile = substr($this->picture, strlen($this->picture) - 3);
if (preg_match('/".$imgfile."/i', 'jpg') || preg_match('/".$imgfile."/i', 'jpeg')) {
$org_picture = imagecreatefromjpeg($this->directory . $this->picture);
} else {
if (preg_match('/".$imgfile."/i', 'png')) {
$org_picture = imagecreatefrompng($this->directory . $this->picture);
} else {
if (preg_match('/".$imgfile."/i', 'gif')) {
$org_picture = imagecreatefromgif($this->directory . $this->picture);
}
}
}
if ($org_width < $new_width) {
$new_width = $org_width;
}
if ($org_height < $new_height) {
$new_height = $org_height;
}
if ($new_height > $this->height_max) {
$new_height = $this->height_max;
$new_width = $new_height / $org_height * $org_width;
}
if (!preg_match($imgfile / i, 'gif')) {
$newpicture = ImageCreateTrueColor($new_width, $new_height);
} else {
if (preg_match($imgfile / i, 'gif')) {
$newpicture = imagecreate($new_width, $new_height);
}
}
ImageCopyresampled($newpicture, $org_picture, 0, 0, 0, 0, $new_width, $new_height, $org_width, $org_height);
if (preg_match('/".$imgfile."/i', 'jpg') || preg_match('/".$imgfile."/i', 'jpeg')) {
ImageJPEG($newpicture, $this->dir_target . $this->picture);
} else {
if (preg_match('/".$imgfile."/i', 'png')) {
ImagePNG($newpicture, $this->dir_target . $this->picture);
} else {
if (preg_match('/".$imgfile."/i', 'gif')) {
ImageGIF($newpicture, $this->dir_target . $this->picture);
}
}
}
// }
}
}
function IndexAction()
{
$str = "23456789ABCDEFGHJKMNPQRSTUVWXYZ";
$code_str = str_shuffle($str);
$code = str_split(substr($code_str, 0, 4));
$_SESSION['VerifyCode'] = strtolower(implode('', $code));
$width = 115;
$height = 29;
$im = ImageCreate($width, $height);
// 创建图形
ImageColorAllocate($im, 255, 255, 255);
// 填充背景颜色为白色
// 用淡色给图形添加杂色
for ($i = 0; $i < 100; $i++) {
$pxcolor = ImageColorAllocate($im, 230, 104, 66);
ImageSetPixel($im, mt_rand(0, $width), mt_rand(0, $height), $pxcolor);
}
// 用深色调绘制边框
$bordercolor = ImageColorAllocate($im, 255, 255, 255);
ImageRectangle($im, 0, 0, $width - 1, $height - 1, $bordercolor);
$offset = rand(10, 30);
$font = array('View/font/UniversityRomanStd.otf');
foreach ($code as $char) {
$textcolor = ImageColorAllocate($im, 230, 104, 106);
shuffle($font);
imagettftext($im, 22, rand(-20, 40), $offset, 26, $textcolor, $font[0], $char);
$offset += $width / 5 - rand(0, 2);
}
$code_str = str_shuffle($str);
$code = str_split(substr($code_str, 0, 5));
// 干扰字符
$offset = rand(10, 30);
foreach ($code as $char) {
$textcolor = ImageColorAllocate($im, 230, 104, 66);
shuffle($font);
imagettftext($im, 8, rand(-20, 40), $offset, 26, $textcolor, $font[0], $char);
$offset += rand(5, 10);
}
// 禁止缓存
header("pragma:no-cache\r\n");
header("Cache-Control:no-cache\r\n");
header("Expires:0\r\n");
if (ImageTypes() & IMG_PNG) {
header('Content-Type:image/png');
ImagePNG($im);
} elseif (ImageTypes() & IMG_JPEG) {
header('Content-Type:image/jpeg');
ImageJPEG($im);
} else {
header('Content-Type:image/gif');
ImageGif($im);
}
}
private function saveImageToFile($image, $filepath, $fileformat = 'jpg')
{
switch ($fileformat) {
case "jpg":
case "jpeg":
ImageJPEG($image, $filepath);
break;
case "png":
ImagePNG($image, $filepath);
break;
}
}
function create_avatar($imgpath, $thumbpath, $neueBreite, $neueHoehe)
{
$size = getimagesize($imgpath);
$breite = $size[0];
$hoehe = $size[1];
$RatioW = $neueBreite / $breite;
$RatioH = $neueHoehe / $hoehe;
if ($RatioW < $RatioH) {
$neueBreite = $breite * $RatioW;
$neueHoehe = $hoehe * $RatioW;
} else {
$neueBreite = $breite * $RatioH;
$neueHoehe = $hoehe * $RatioH;
}
$neueBreite = round($neueBreite, 0);
$neueHoehe = round($neueHoehe, 0);
if (function_exists('gd_info')) {
$tmp = gd_info();
$imgsup = $tmp['GIF Create Support'] ? 1 : 2;
unset($tmp);
} else {
$imgsup = 2;
}
if ($size[2] < $imgsup or $size[2] > 3) {
return false;
}
if ($size[2] == 1) {
$altesBild = imagecreatefromgif($imgpath);
} elseif ($size[2] == 2) {
$altesBild = imagecreatefromjpeg($imgpath);
} elseif ($size[2] == 3) {
$altesBild = imagecreatefrompng($imgpath);
}
if (function_exists('imagecreatetruecolor') and $size[2] != 1) {
$neuesBild = png_create_transparent($neueBreite, $neueHoehe);
imagecopyresampled($neuesBild, $altesBild, 0, 0, 0, 0, $neueBreite, $neueHoehe, $breite, $hoehe);
} elseif (function_exists('imagecreatetruecolor') and $size[2] == 1) {
$neuesBild = imageCreate($neueBreite, $neueHoehe);
gif_create_transparent($neuesBild, $altesBild);
imagecopyresampled($neuesBild, $altesBild, 0, 0, 0, 0, $neueBreite, $neueHoehe, $breite, $hoehe);
} else {
$neuesBild = imageCreate($neueBreite, $neueHoehe);
imageCopyResized($neuesBild, $altesBild, 0, 0, 0, 0, $neueBreite, $neueHoehe, $breite, $hoehe);
}
if ($size[2] == 1) {
ImageGIF($neuesBild, $thumbpath);
} elseif ($size[2] == 2) {
ImageJPEG($neuesBild, $thumbpath);
} elseif ($size[2] == 3) {
ImagePNG($neuesBild, $thumbpath);
}
return true;
}
/**
* 生成二维码后返回内容
* @param $value
* @return array
*/
private function _getQrCodeContent($value)
{
apf_require_file('phpqrcode.php', 'classes/util/phpqrcode');
$errorCorrectionLevel = "M";
$matrixPointSize = "5";
$image = QRcode::getImage($value, false, $errorCorrectionLevel, $matrixPointSize, 2);
ob_start();
ImagePNG($image);
$content = ob_get_contents();
ImageDestroy($image);
ob_end_clean();
return $content;
}
