private function getCreateImage() { $this->image = imageCreate($this->width, $this->height); $back = imageColorAllocate($this->image, 255, 255, 255); $border = imagecolorallocate($this->image, 0, 0, 0); imageRectangle($this->image, 0, 0, $this->width - 1, $this->height - 1, $border); }
/** * Make the image greyscale * * @param Asido_TMP &$tmp * @return boolean * @access protected */ function __grayscale(&$tmp) { // the longer path: do it pixel by pixel // if (parent::__grayscale(&$tmp)) { return true; } // create 256 color palette // $palette = array(); for ($c = 0; $c < 256; $c++) { $palette[$c] = imageColorAllocate($tmp->target, $c, $c, $c); } // read origonal colors pixel by pixel // for ($y = 0; $y < $tmp->image_height; $y++) { for ($x = 0; $x < $tmp->image_width; $x++) { $rgb = imageColorAt($tmp->target, $x, $y); $r = $rgb >> 16 & 0xff; $g = $rgb >> 8 & 0xff; $b = $rgb & 0xff; $gs = $r * 0.299 + $g * 0.587 + $b * 0.114; imageSetPixel($tmp->target, $x, $y, $palette[$gs]); } } return true; }
function setnoise($image, $width, $height, $back, $noisenum) { for ($i = 0; $i < $noisenum; $i++) { $randColor = imageColorAllocate($image, rand(0, 255), rand(0, 255), rand(0, 255)); imageSetPixel($image, rand(0, $width), rand(0, $height), $randColor); } }
public function createImage($text = '', $fontSize = 5) { // GD's built-in fonts are numbered from 1 - 5 $font_size = $fontSize; // Calculate the appropriate image size $image_height = intval(imageFontHeight($font_size) * 2); $image_width = intval(strlen($text) * imageFontWidth($font_size) * 1.3); // Create the image $image = imageCreate($image_width, $image_height); // Create the colors to use in the image // gray background $back_color = imageColorAllocate($image, 216, 216, 216); // blue text $text_color = imageColorAllocate($image, 0, 0, 255); // black border $rect_color = imageColorAllocate($image, 0, 0, 0); // Figure out where to draw the text // (Centered horizontally and vertically $x = ($image_width - imageFontWidth($font_size) * strlen($text)) / 2; $y = ($image_height - imageFontHeight($font_size)) / 2; // Draw the text imageString($image, $font_size, $x, $y, $text, $text_color); // Draw a black border imageRectangle($image, 0, 0, imageSX($image) - 1, imageSY($image) - 1, $rect_color); // Send the image to the browser header('Content-Type: image/png'); imagePNG($image); imageDestroy($image); }
/** * 显示验证码 */ function create() { $this->image = imageCreate($this->width, $this->height); $this->back = $this->getColor($this->bgcolor); imageFilledRectangle($this->image, 0, 0, $this->width, $this->height, $this->back); $size = $this->width / $this->charLen - 4; if ($size > $this->height) { $size = $this->height; } $left = ($this->width - $this->charLen * ($size + $size / 10)) / $size + 5; $code = ''; for ($i = 0; $i < $this->charLen; $i++) { $randKey = rand(0, count($this->arrChr) - 1); $randText = $this->arrChr[$randKey]; $code .= $randText; $textColor = imageColorAllocate($this->image, rand(0, 100), rand(0, 100), rand(0, 100)); $font = $this->fontPath . '/' . rand(1, 5) . ".ttf"; $randsize = rand($size - $size / 10, $size + $size / 10); $location = $left + ($i * $size + $size / 10); @imagettftext($this->image, $randsize, rand(-18, 18), $location, rand($size - $size / 10, $size + $size / 10) + 2, $textColor, $font, $randText); } if ($this->showNoisePix == true) { $this->setNoisePix(); } if ($this->showNoiseLine == true) { $this->setNoiseLine(); } if ($this->showBorder == true) { $this->borderColor = $this->getColor($this->borderColor); imageRectangle($this->image, 0, 0, $this->width - 1, $this->height - 1, $this->borderColor); } $this->text = strtolower($code); }
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); }
function Graph($res) { if ($res == "svga") { $wd = "800"; $ht = "600"; } elseif ($res == "xga") { $wd = "1024"; $ht = "768"; } elseif ($res == "sxga") { $wd = "1280"; $ht = "1024"; } elseif ($res == "uxga") { $wd = "1600"; $ht = "1200"; } else { $wd = "640"; $ht = "480"; } $this->img = imageCreate($wd, $ht); $this->wte = imageColorAllocate($this->img, 255, 255, 255); $this->blk = imageColorAllocate($this->img, 0, 0, 0); $this->gry = imageColorAllocate($this->img, 100, 100, 100); $this->red = imageColorAllocate($this->img, 150, 0, 0); $this->grn = imageColorAllocate($this->img, 0, 150, 0); $this->blu = imageColorAllocate($this->img, 0, 0, 150); imagestring($this->img, 2, 5, 5, $res, $this->blu); }
function king_def() { global $king; header("Cache-Control: no-cache, must-revalidate"); // HTTP/1.1 header("Expires: Mon, 26 Jul 1997 05:00:00 GMT"); // 过去的时间 header("Content-type: image/png"); $salt = kc_get('salt', 1, 1); $width = $king->config('verifywidth'); //图片长度 $height = $king->config('verifyheight'); //图片高度 $size = $king->config('verifysize'); //文字大小 $num = $king->config('verifynum'); //文字数量 $content = $king->config('verifycontent'); //随机字符 $array_content = explode('|', $content); $array_content = array_diff($array_content, array(null)); $array_font = kc_f_getdir('system/verify_font', 'ttf|ttc'); $str = ''; $img = imageCreate($width, $height); //创建一个空白图像 imageFilledRectangle($img, 0, 0, $width, $height, imagecolorallocate($img, 255, 255, 255)); //写字 for ($i = 0; $i < $num; $i++) { $code = $array_content[array_rand($array_content)]; $str .= $code; //验证码字符 $color = imageColorAllocate($img, rand(0, 128), rand(0, 128), rand(0, 128)); $font = 'verify_font/' . $array_font[array_rand($array_font)]; //随机读取一个字体 $left = rand(round($size * 0.2), round($size * 0.4)) + $i * $size; imagettftext($img, rand(round($size * 0.7), $size), rand(-20, 20), $left, rand(round($size * 1.2), $size * 1.4), $color, $font, $code); } //画星号 $max = $width * $height / 400; for ($i = 0; $i < $max; $i++) { imagestring($img, 15, rand(0, $width), rand(0, $height), '*', rand(192, 250)); } //画点 $max = $width * $height / 40; for ($i = 0; $i < $max; $i++) { imageSetPixel($img, rand(0, $width), rand(0, $height), rand(1, 200)); } //画线 $max = $width * $height / 800; for ($i = 0; $i < $max; $i++) { imageline($img, rand(0, $width), rand(0, $height), rand(0, $width), rand(0, $height), rand(0, 255)); } //写验证码到verify中 $verify = new KC_Verify_class(); $verify->Put($salt, $str); imagePng($img); imageDestroy($img); $verify->Clear(); }
function create($text) { $img = imagecreatefrompng("skins/icon.png"); $black = imageColorAllocate($img, 0, 0, 0); $white = imageColorAllocate($img, 255, 255, 255); imageString($img, 5, 20, 3, $text, $white); imagePNG($img); }
private function getCreateImage() { //用来创建图像资源,并初使化背影 $this->image = imagecreatetruecolor($this->width, $this->height); $backColor = imagecolorallocate($this->image, rand(225, 255), rand(225, 255), rand(225, 255)); //背景色(随机) @imagefill($this->image, 0, 0, $backColor); $border = imageColorAllocate($this->image, 0, 0, 0); imageRectangle($this->image, 0, 0, $this->width - 1, $this->height - 1, $border); }
function code() { $fontSize = 20; //定义字体大小 $length = 5; //定义字符串长度 $strNum = GetVerify($length); //获取一个随机字符串 $_SESSION['verify'] = $strNum; //付值给session $width = 90; //定义图片宽度 $height = 30; //定义图片高度 $im = imagecreate($width, $height); //生成一张指定宽高的图片 $backgroundcolor = imagecolorallocate($im, 255, 255, 255); //生成背景色 $frameColor = imageColorAllocate($im, 150, 150, 150); //生成边框色 $font = './system/fonts/arial.ttf'; //提取字体文件,开始写字 for ($i = 0; $i < $length; $i++) { $charY = ($height + 9) / 2 + rand(-1, 1); //定义字符Y坐标 $charX = $i * 15 + 8; //定义字符X坐标 //生成字符颜色 $text_color = imagecolorallocate($im, mt_rand(50, 200), mt_rand(50, 128), mt_rand(50, 200)); $angle = rand(-20, 20); //生成字符角度 //写入字符 imageTTFText($im, $fontSize, $angle, $charX, $charY, $text_color, $font, $strNum[$i]); } for ($i = 0; $i <= 5; $i++) { //循环画背景线 $linecolor = imagecolorallocate($im, mt_rand(0, 255), mt_rand(0, 255), mt_rand(0, 255)); $linex = mt_rand(1, $width - 1); $liney = mt_rand(1, $height - 1); imageline($im, $linex, $liney, $linex + mt_rand(0, 4) - 2, $liney + mt_rand(0, 4) - 2, $linecolor); } for ($i = 0; $i <= 32; $i++) { //循环画背景点,生成麻点效果 $pointcolor = imagecolorallocate($im, mt_rand(0, 255), mt_rand(0, 255), mt_rand(0, 255)); imagesetpixel($im, mt_rand(1, $width - 1), mt_rand(1, $height - 1), $pointcolor); } imagerectangle($im, 0, 0, $width - 1, $height - 1, $frameColor); //画边框 //ob_clean(); //header('Content-type: image/png'); imagepng($im); imagedestroy($im); return $strNum; }
function GenColors() { $colorR = rand(100, 230); $colorG = rand(100, 230); $colorB = rand(100, 230); $colorG2 = (rand(100, 230) + $colorG) / 2; $colorB2 = (rand(100, 230) + $colorB) / 2; $this->colorBg = imageColorAllocate($this->img, $colorR, $colorG, $colorB); $this->colorTxt[0] = imageColorAllocate($this->img, $colorR - 80, $colorG2 - 70, $colorB - 80); $this->colorTxt[1] = imageColorAllocate($this->img, $colorR - 70, $colorG - 80, $colorB2 - 70); $this->colorLine = imageColorAllocate($this->img, $colorR - 10, $colorG2 - 20, $colorB2 - 10); }
protected function color(array $color, $image = false) { if (!is_array($image)) { $image = $this->map; } list($r, $g, $b) = $color; $colorRes = imagecolorexact($image['image'], $r, $g, $b); if ($colorRes == -1) { $colorRes = imageColorAllocate($image['image'], $r, $g, $b); } return $colorRes; }
function text2image($height, $text) { header("Content-type: image/png"); $width = $height * strlen($text)/ 5 * 2; $font = "/usr/share/fonts/truetype/ttf-dejavu/DejaVuSans.ttf"; $image = imageCreate($width, $height); $backgroundColor = imageColorAllocate($image, 255, 255, 255); $textColor = imageColorAllocate($image, 0, 0, 0); imagefttext($image, $height/2, 0, 0, $height/10*9, $textColor, $font, $text); imageInterlace($image, 1); imageColorTransparent($image, $backgroundColor); imagePNG($image); }
public function execute() { $cachePath = SJB_BASE_DIR . "system/cache/markers"; if (SJB_Request::isAjax()) { $fileSystem = new SJB_Filesystem(); $markers = $fileSystem->getFileNames($cachePath); $response = count($markers) ? json_encode($markers) : ''; exit($response); } $grayImage = SJB_BASE_DIR . "templates/_system/main/images/marker_gray.gif"; $greenImage = SJB_BASE_DIR . "templates/_system/main/images/marker_green.gif"; $orangeImage = SJB_BASE_DIR . "templates/_system/main/images/marker_orange.gif"; $blueImage = SJB_BASE_DIR . "templates/_system/main/images/marker_blue.gif"; $pinkImage = SJB_BASE_DIR . "templates/_system/main/images/marker_pink.gif"; $type = SJB_Request::getVar('type', 'Job'); $text = SJB_Request::getVar('text', ''); $filename = ''; $assets = array('Job' => $orangeImage, 'priority' => $orangeImage, 'indeed' => $blueImage, 'simplyHired' => $greenImage, 'beyond' => $grayImage, 'Resume' => $orangeImage); if (array_key_exists($type, $assets)) { $filename = $assets[$type]; } else { $filename = $grayImage; } $cacheFilename = $cachePath . "/marker_" . $type . '_' . $text . ".gif"; $img = null; if (!file_exists($cacheFilename)) { if ($filename == $pinkImage || !empty($text) && is_string($text) && !empty($filename)) { $img = imagecreatefromgif($filename); $imageSx = imagesx($img); $imageSy = imagesy($img); $fontSize = 8; $textLen = strlen($text); $black = imageColorAllocate($img, 0, 0, 0); $white = imageColorAllocate($img, 255, 255, 255); if (!empty($text)) { imagettftext($img, $fontSize, 0, $imageSx / 2 - floor($fontSize / 2 * $textLen) + 2, 13, $black, SJB_BASE_DIR . "templates/_system/main/images/arial.ttf", $text); } if (!file_exists($cachePath)) { mkdir($cachePath, 0777); } imagegif($img, $cachePath . "/marker_" . $type . '_' . $text . ".gif"); } } else { $img = imagecreatefromgif($cacheFilename); } if (!is_null($img)) { header("Content-type: image/gif"); imagegif($img); } exit; }
function mainColor($image) { $i = 0; for ($x = 0; $x < imagesx($image); $x++) { for ($y = 0; $y < imagesy($image); $y++) { $rgb = ImageColorAt($image, $x, $y); $r += $rgb >> 16 & 0xff; $g += $rgb >> 8 & 0xff; $b += $rgb & 0xff; $i++; } } return imageColorAllocate($image, $r / $i, $g / $i, $b / $i); }
public function renderFrame(float $t, int $width, int $height) { $image = \imageCreate($width, $height); $palette = []; foreach (self::PICO_8_PALETTE as list($red, $green, $blue)) { $palette[] = \imageColorAllocate($image, $red, $green, $blue); } for ($x = 0; $x < $width; $x++) { for ($y = 0; $y < $height; $y++) { $value = ($this->function)($x - $width / 2, $y - $height / 2, $t); \imageSetPixel($image, $x, $y, $palette[self::mod(abs(floor($value)), count($palette))]); } } return $image; }
function img($text) { $img_height = 50; $img_width = 18; $img = imagecreate($img_height, $img_width); ImageColorAllocate($img, 255, 255, 255); $black = ImageColorAllocate($img, 0, 0, 0); for ($i = 0; $i < 10; $i++) { ImageString($img, 1, mt_rand(1, $img_height), mt_rand(0, $img_width), "Q", imageColorAllocate($img, mt_rand(200, 255), mt_rand(200, 255), mt_rand(200, 255))); } ImageRectangle($img, 0, 0, $img_height - 1, $img_width - 1, $black); // Imagestring($img, 5, 5, 2, $text, imageColorAllocate($img, mt_rand(0, 100), mt_rand(0, 150), mt_rand(0, 200))); Imagepng($img); ImageDestroy($img); }
/** * Make image * */ protected function _image() { $this->_image = imagecreate($this->config['width'], $this->config['height']); imageFilledRectangle($this->_image, 0, 0, $this->config['width'], $this->config['height'], $this->_color($this->config['bgColor'])); $seed = $this->_seed(); $fonts = $this->_fonts(); $_SESSION[$this->config['sessionValueKey']] = $seed; $_SESSION[$this->config['sessionTtlKey']] = time() + $this->config['ttl']; for ($i = 0; $i < $this->config['length']; $i++) { $char = substr($seed, $i, 1); $x = $this->config['padding'] + $i * ($this->config['size'] + $this->config['space']); $y = mt_rand(0.7 * $this->config['height'], 0.9 * $this->config['height']); $charColor = imageColorAllocate($this->_image, mt_rand(50, 155), mt_rand(50, 155), mt_rand(50, 155)); imagettftext($this->_image, $this->config['size'], mt_rand(-18, 18), $x, $y, $charColor, $fonts[$i], $char); } $this->_noise(); }
/** * Placeholder code adapted from dummyimage.com */ public static function placeholder($width, $height) { $file_format = 'gif'; $width = $width; $height = $height; $text_angle = 0; $font = Load::getModulePath('media') . 'assets/mplus-1c-medium.ttf'; $img = imageCreate($width, $height); $bg_color = imageColorAllocate($img, 196, 196, 196); $fg_color = imageColorAllocate($img, 94, 94, 94); $lines = 1; $text = $width . 'x' . $height; $fontsize = max(min($width / strlen($text) * 1.15, $height * 0.5), 5); $textBox = self::_imagettfbbox_t($fontsize, $text_angle, $font, $text); $textWidth = ceil(($textBox[4] - $textBox[1]) * 1.07); $textHeight = ceil((abs($textBox[7]) + abs($textBox[1])) * 1); $textX = ceil(($width - $textWidth) / 2); $textY = ceil(($height - $textHeight) / 2 + $textHeight); imageFilledRectangle($img, 0, 0, $width, $height, $bg_color); imagettftext($img, $fontsize, $text_angle, $textX, $textY, $fg_color, $font, $text); $offset = 60 * 60 * 24 * 14; //14 Days $ExpStr = "Expires: " . gmdate("D, d M Y H:i:s", time() + $offset) . " GMT"; header($ExpStr); //Set a far future expire date. This keeps the image locally cached by the user for less hits to the server. header('Cache-Control: max-age=120'); header("Last-Modified: " . gmdate("D, d M Y H:i:s", time() - $offset) . " GMT"); header('Content-type: image/' . $file_format); //Set the header so the browser can interpret it as an image and not a bunch of weird text. switch ($file_format) { case 'gif': imagegif($img); break; case 'png': imagepng($img); break; case 'jpg': imagejpeg($img); break; case 'jpeg': imagejpeg($img); break; } imageDestroy($img); exit; }
function textToImg($text, $backRGB, $strRGB, $fontPath, $fontSize, $margin) { // 大きさを測定 $result = imageTTFBBox($fontSize, 0, $fontPath, $text); // 幅と高さを取得 $width = abs($result[4]) + abs($result[6]) + $margin * 2; $height = abs($result[1]) + abs($result[7]) + $margin * 2; // イメージリソースを生成 $img = imageCreateTrueColor($width, $height); // 色を生成 $backColor = imageColorAllocate($img, $backRGB['red'], $backRGB['green'], $backRGB['blue']); $strColor = imageColorAllocate($img, $strRGB['red'], $strRGB['green'], $strRGB['blue']); // 背景を塗りつぶす imageFilledRectangle($img, 0, 0, $width, $height, $backColor); // 文字を描く imageTTFText($img, $fontSize, 0, $margin + abs($result[0]), $margin + abs($result[7]), $strColor, $fontPath, $text); return $img; }
function FunctionGraph($x1 = 2, $y1 = 2) { $width = 800; $height = 600; $this->x0 = -$x1; $this->y0 = -$y1; $this->x1 = $x1; $this->y1 = $y1; $this->posX0 = $width / 2; $this->posY0 = $height / 2; $this->scale = (double) ($width - 20) / ($this->x1 - $this->x0); $this->img = imageCreate($width, $height); $this->wte = imageColorAllocate($this->img, 255, 255, 255); $this->blk = imageColorAllocate($this->img, 0, 0, 0); $this->gry = imageColorAllocate($this->img, 100, 100, 100); $this->grn = imageColorAllocate($this->img, 0, 150, 0); $this->blu = imageColorAllocate($this->img, 0, 0, 150); }
/** * Create test image. * * @param string $filename * @return void */ protected function createTestImage($filename) { $filename = $this->getFullPath($filename); if (!file_exists($filename)) { // Create an image with the specified dimensions $image = imageCreate(300, 200); // Create a color (this first call to imageColorAllocate // also automatically sets the image background color) $colorYellow = imageColorAllocate($image, 255, 255, 0); // Draw a rectangle imageFilledRectangle($image, 50, 50, 250, 150, $colorYellow); $directory = dirname($filename); if (!file_exists($directory)) { mkdir($directory, 0777, true); } imageJpeg($image, $filename); // Release memory imageDestroy($image); } }
function make_img($content) { $timage = array(strlen($content) * 20 + 10, 28); // array(largeur, hauteur) de l'image; ici la largeur est fonction du nombre de lettre du contenu, on peut bien sur mettre une largeur fixe. $content = preg_replace('/(\\w)/', '\\1 ', $content); // laisse plus d'espace entre les lettres $image = imagecreatetruecolor($timage[0], $timage[1]); // création de l'image // definition des couleurs $fond = imageColorAllocate($image, 240, 255, 240); $grey = imageColorAllocate($image, 210, 210, 210); $text_color = imageColorAllocate($image, rand(0, 100), rand(0, 50), rand(0, 60)); imageFill($image, 0, 0, $fond); // on remplit l'image de blanc //On remplit l'image avec des polygones for ($i = 0, $imax = mt_rand(3, 5); $i < $imax; $i++) { $x = mt_rand(3, 10); $poly = array(); for ($j = 0; $j < $x; $j++) { $poly[] = mt_rand(0, $timage[0]); $poly[] = mt_rand(0, $timage[1]); } imageFilledPolygon($image, $poly, $x, imageColorAllocate($image, mt_rand(150, 255), mt_rand(150, 255), mt_rand(150, 255))); } // Création des pixels gris for ($i = 0; $i < $timage[0] * $timage[1] / rand(15, 18); $i++) { imageSetPixel($image, rand(0, $timage[0]), rand(0, $timage[1]), $grey); } // affichage du texte demandé; on le centre en hauteur et largeur (à peu près ^^") //imageString($image, 5, ceil($timage[0]-strlen($content)*8)/2, ceil($timage[1]/2)-9, $content, $text_color); $longueur_chaine = strlen($content); for ($ch = 0; $ch < $longueur_chaine; $ch++) { imagettftext($image, 18, mt_rand(-30, 30), 10 * ($ch + 1), mt_rand(18, 20), $text_color, 'res/georgia.ttf', $content[$ch]); } $type = function_exists('imageJpeg') ? 'jpeg' : 'png'; @header('Content-Type: image/' . $type); @header('Cache-control: no-cache, no-store'); $type == 'png' ? imagePng($image) : imageJpeg($image); ImageDestroy($image); exit; }
public function getPNG() { // создаем картинку $image = imageCreate($this->width + $this->widthLegend, $this->height); $backColor = imageColorAllocate($image, $this->colorBG >> 16, ($this->colorBG >> 8) % 256, $this->colorBG % 256); $centerColor = imageColorAllocate($image, $this->colorCenter >> 16, ($this->colorCenter >> 8) % 256, $this->colorCenter % 256); $pointsColor = imageColorAllocate($image, $this->colorPoints >> 16, ($this->colorPoints >> 8) % 256, $this->colorPoints % 256); $legendColor = imageColorAllocate($image, $this->colorLegend >> 16, ($this->colorLegend >> 8) % 256, $this->colorLegend % 256); // background imageFilledRectangle($image, 0, 0, $this->width, $this->height, $backColor); imageRectangle($image, $this->width, 0, $this->widthLegend + $this->width - 1, $this->height - 1, $legendColor); // добавляем масштаб в легенду imageLine($image, $this->width + 10, $this->height - $this->fontSize * 2 - 1, $this->width + 10, $this->height - $this->fontSize * 2 + 1, $legendColor); imageLine($image, $this->width + 10, $this->height - $this->fontSize * 2, $this->width + 20, $this->height - $this->fontSize * 2, $legendColor); imageLine($image, $this->width + 20, $this->height - $this->fontSize * 2 - 1, $this->width + 20, $this->height - $this->fontSize * 2 + 1, $legendColor); imageTTFText($image, $this->fontSize, 0, $this->width + $this->fontSize + 20, $this->height - $this->fontSize * 1.5, $legendColor, $this->pathToFont, "{$this->metersIn10Pix} {$this->metersLabel}"); // center imageFilledEllipse($image, $this->centerWidth, $this->centerHeight, $this->sizePoints, $this->sizePoints, $centerColor); imageTTFText($image, $this->fontSize, 0, $this->centerWidth, $this->centerHeight + $this->fontSize + $this->sizePoints, $centerColor, $this->pathToFont, "0"); imageTTFText($image, $this->fontSize, 0, $this->width + $this->fontSize, $this->fontSize * 2, $legendColor, $this->pathToFont, "0 - {$this->centerLabel}"); // points $i = 1; foreach ($this->pointsBased as $v) { $angle = $v->getPoint()->getAzimuth() - 90; // угол для тригонометрии $pointWidth = $this->centerWidth + $this->k * ($v->getPoint()->getDistance() * cos(deg2rad($angle))); $pointHeight = $this->centerHeight + $this->k * ($v->getPoint()->getDistance() * sin(deg2rad($angle))); // рисуем точку imageEllipse($image, $pointWidth, $pointHeight, $this->sizePoints, $this->sizePoints, $pointsColor); // подпись imageTTFText($image, $this->fontSize, 0, $pointWidth, $pointHeight + $this->fontSize + $this->sizePoints, $pointsColor, $this->pathToFont, $i); // в легенду imageTTFText($image, $this->fontSize, 0, $this->width + $this->fontSize, $this->fontSize * 2 * ($i + 1), $legendColor, $this->pathToFont, "{$i} - " . $v->getTitle()); $i++; } ob_start(); imagePng($image); $str = ob_get_clean(); return $str; }
function create_image($text, $size, $font, $color, $bgcolor, $x = 0, $y = 0) { if ($x > 0) { $img_x = $x; } else { $img_x = $size * 0.8 * strlen($text); } // the factor reduces the amount of whitespace at the end of the string if ($y > 0) { $img_y = $y; } else { $img_y = $size + 10; } $img_base = (int) (($size + 10) * 0.75); // a rough guesstimate of where the text baseline should be in the image // echo "Text is $text, $img_x, $img_y, $img_base, R: $r G: $g B: $b <br />"; exit; $im = @imageCreate($img_x, $img_y) or die("Cannot Initialize new GD image stream"); $background_color = imageColorAllocate($im, hexdec(substr($bgcolor, 0, 2)), hexdec(substr($bgcolor, 2, 2)), hexdec(substr($bgcolor, 4, 2))); $text_color = imageColorAllocate($im, hexdec(substr($color, 0, 2)), hexdec(substr($color, 2, 2)), hexdec(substr($color, 4, 2))); ImageTTFText($im, $size, 0, 2, $img_base, $text_color, $font, $text); /* // 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: " . $timestamp . " GMT"); // HTTP/1.1 header("Cache-Control: no-store, no-cache, must-revalidate"); header("Cache-Control: post-check=0, pre-check=0", false); // HTTP/1.0 header("Pragma: no-cache"); */ // dump out the image header("Content-type: image/jpeg"); ImageJPEG($im); }
/** * Create PNG of font name written with font TTF. */ public function generate_image() { $width = $height = $font_size = $left_margin = $background_color = $font_color = false; extract($this->preview_attributes, EXTR_IF_EXISTS); // Text Mask $mask = imageCreate($width, $height); $background = imageColorAllocate($mask, $background_color[0], $background_color[1], $background_color[2]); $foreground = imageColorAllocate($mask, $font_color[0], $font_color[1], $font_color[2]); $ttf_path = $this->font->maybe_get_remote_ttf(); if (!file_exists($ttf_path)) { wp_die('Could not load $ttf_path: ' . $ttf_path); } // Text $y = $this->get_centered_y_coordinate($font_size, $ttf_path, $this->font->family); imagettftext($mask, $font_size, 0, $left_margin, $y, $foreground, $ttf_path, $this->font->family); // White fill $white = imageCreate($width, $height); $background = imageColorAllocate($white, $background_color[0], $background_color[1], $background_color[2]); // Image $image = imagecreatetruecolor($width, $height); imagesavealpha($image, true); imagefill($image, 0, 0, imagecolorallocatealpha($image, 0, 0, 0, 127)); // Apply Mask to Image for ($x = 0; $x < $width; $x++) { for ($y = 0; $y < $height; $y++) { $alpha = imagecolorsforindex($mask, imagecolorat($mask, $x, $y)); $alpha = 127 - floor($alpha['red'] / 2); $color = imagecolorsforindex($white, imagecolorat($white, $x, $y)); imagesetpixel($image, $x, $y, imagecolorallocatealpha($image, $color['red'], $color['green'], $color['blue'], $alpha)); } } ob_start(); imagePNG($image); $image = ob_get_clean(); $this->save_image($image); // header("Content-type: image/png"); // echo $image; }
protected function _getColor(Image_3D_Color $color, $alpha = 1.0) { $values = $color->getValues(); $values[0] = (int) round($values[0] * 255); $values[1] = (int) round($values[1] * 255); $values[2] = (int) round($values[2] * 255); $values[3] = (int) round((1 - (1 - $values[3]) * $alpha) * 127); if ($values[3] > 0) { // Tranzparente Farbe allokieren $color = imageColorExactAlpha($this->_image, $values[0], $values[1], $values[2], $values[3]); if ($color === -1) { // Wenn nicht Farbe neu alloziieren $color = imageColorAllocateAlpha($this->_image, $values[0], $values[1], $values[2], $values[3]); } } else { // Deckende Farbe allozieren $color = imageColorExact($this->_image, $values[0], $values[1], $values[2]); if ($color === -1) { // Wenn nicht Farbe neu alloziieren $color = imageColorAllocate($this->_image, $values[0], $values[1], $values[2]); } } return $color; }
function _adjustTransparency(&$Source, &$Destination) { if ($this->_isTransparent($Source)) { $rgba = imageColorsForIndex($Source, imageColorTransparent($Source)); $color = imageColorAllocate($Destination, $rgba['red'], $rgba['green'], $rgba['blue']); imageColorTransparent($Destination, $color); imageFill($Destination, 0, 0, $color); } else { if ($this->_format == 'png') { imageAlphaBlending($Destination, false); imageSaveAlpha($Destination, true); } elseif ($this->_format != 'gif') { $white = imageColorAllocate($Destination, 255, 255, 255); imageFill($Destination, 0, 0, $white); } } }
/** * 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; } }