Esempio n. 1
0
    $font = $_SERVER["DOCUMENT_ROOT"]."/HDWFormCaptcha/".$font;
if (!file_exists($font))
    $font = dirname(__FILE__)."/".$font;   
*/
$font_size = rand($min_size, $max_size);
$angle = rand(-15, 15);
if (function_exists("imagettfbbox") && function_exists("imagettftext")) {
    $box = imagettfbbox($font_size, $angle, $font, $str);
    $x = (int) ($imgX - $box[4]) / 2;
    $y = (int) ($imgY - $box[5]) / 2;
    imagettftext($image, $font_size, $angle, $x, $y, $text_col, $font, $str);
} else {
    if (function_exists("imageFtBBox") && function_exists("imageFTText")) {
        $box = imageFtBBox($font_size, $angle, $font, $str);
        $x = (int) ($imgX - $box[4]) / 2;
        $y = (int) ($imgY - $box[5]) / 2;
        imageFTText($image, $font_size, $angle, $x, $y, $text_col, $font, $str);
    } else {
        $angle = 0;
        $font = 6;
        $wf = ImageFontWidth(6) * strlen($str);
        $hf = ImageFontHeight(6);
        $x = (int) ($imgX - $wf) / 2;
        $y = (int) ($imgY - $hf) / 2;
        imagestring($image, $font, $x, $y, $str, $text_col);
    }
}
header("Content-type: image/png");
imagepng($image);
imagedestroy($image);
exit;
Esempio n. 2
0
 public static function createWaterMark($source, $options)
 {
     // Get info about image to be watermarked
     $old_image = $source;
     $size = getimagesize($old_image);
     $imagetype = $size[2];
     $usingAlpha = false;
     // Create GD Image Resource from original image
     switch ($imagetype) {
         case 1:
             $image = imagecreatefromgif($old_image);
             break;
         case 2:
             $image = imagecreatefromjpeg($old_image);
             break;
         case 3:
             $image = imagecreatefrompng($old_image);
             break;
         case 6:
             $image = imagecreatefrombmp($old_image);
             break;
     }
     // end switch($imagetype)
     if ($options['type'] == 'img') {
         $sizeWM = getimagesize($options['image']);
         switch ($sizeWM[2]) {
             case 1:
                 $watermark = imagecreatefromgif($options['image']);
                 break;
             case 2:
                 $watermark = imagecreatefromjpeg($options['image']);
                 break;
             case 3:
                 $watermark = imagecreatefrompng($options['image']);
                 break;
             case 6:
                 $watermark = imagecreatefrombmp($options['image']);
                 break;
         }
         //$watermark = imagecreatefromjpeg($options['image']);	// Create a GD image resource from overlay image
         $wm_width = imagesx($watermark);
         // get the original width
         $wm_height = imagesy($watermark);
         // get the original height
         $watermark_rWidth = $wm_width * $options['factor'];
         // calculate new, reduced width
         $watermark_rHeight = $wm_height * $options['factor'];
         // calculate new, reduced height
         $watermark_r = @imagecreatetruecolor($watermark_rWidth, $watermark_rHeight);
         // Make transparent
         if ($sizeWM[2] == 3) {
             $usingAlpha = true;
             imagealphablending($watermark_r, false);
             imagesavealpha($watermark_r, true);
             $transparent = imagecolorallocatealpha($watermark_r, 255, 255, 255, 127);
             imagefilledrectangle($watermark_r, 0, 0, $wm_width, $wm_height, $transparent);
         }
         imagecopyresampled($watermark_r, $watermark, 0, 0, 0, 0, $watermark_rWidth, $watermark_rHeight, $wm_width, $wm_height);
         imagedestroy($watermark);
         // original watermark image no longer needed
     }
     if ($options['type'] == 'msg') {
         // Calculate size of overlay image for text
         // array imagettfbbox ( float $size , float $angle , string $fontfile , string $text )
         $wm_bBox = imagettfbbox($options['fsize'], 0, $options['font'], $options['text']);
         $minX = min(array($wm_bBox[0], $wm_bBox[2], $wm_bBox[4], $wm_bBox[6]));
         $maxX = max(array($wm_bBox[0], $wm_bBox[2], $wm_bBox[4], $wm_bBox[6]));
         $minY = min(array($wm_bBox[1], $wm_bBox[3], $wm_bBox[5], $wm_bBox[7]));
         $maxY = max(array($wm_bBox[1], $wm_bBox[3], $wm_bBox[5], $wm_bBox[7]));
         $thebox = array("left" => abs($minX) - 1, "top" => abs($minY) - 1, "width" => $maxX - $minX, "height" => $maxY - $minY);
         //$watermark_rWidth = ($upperRightX - $upperLeftX)+$options['padding'];
         //$watermark_rHeight = ($lowerLeftY - $upperLeftY)+$options['padding'];
         $watermark_rWidth = $thebox["width"] + $options['padding'] * 2;
         $watermark_rHeight = $thebox["height"] + $options['padding'] * 2;
         // Create the overlay image
         $watermark_r = imagecreatetruecolor($watermark_rWidth, $watermark_rHeight);
         $userColor = self::hex2int(self::validHexColor($options['fcolor'], 'ffffff'));
         $txtColor = imageColorAllocate($watermark_r, $userColor['r'], $userColor['g'], $userColor['b']);
         if ($options['bg']) {
             // Set an appropriate background color
             $userColor = self::hex2int(self::validHexColor($options['bgcolor'], '000000'));
             $watermark_rBGColor = imageColorAllocate($watermark_r, $userColor['r'], $userColor['g'], $userColor['b']);
             imagefilledrectangle($watermark_r, 0, 0, $watermark_rWidth, $watermark_rHeight, $watermark_rBGColor);
         } else {
             // Make the background transparent
             $usingAlpha = true;
             imagealphablending($watermark_r, false);
             imagesavealpha($watermark_r, true);
             $transparent = imagecolorallocatealpha($watermark_r, 255, 255, 255, 127);
             imagefilledrectangle($watermark_r, 0, 0, $watermark_rWidth, $watermark_rHeight, $transparent);
         }
         // array imageTTFText  ( resource image, int size, int angle, int x, int y, int color, string fontfile, string text)
         imageFTText($watermark_r, $options['fsize'], 0, $thebox["left"] + ($watermark_rWidth - $thebox["width"]) / 2, $thebox["top"] + ($watermark_rHeight - $thebox["height"]) / 2, $txtColor, $options['font'], $options['text']);
     }
     // endif $options['type'] == 'msg'
     // Handle rotation
     if ($options['rotate'] != 0) {
         if (phpversion() >= 5.1) {
             $bg = imagecolortransparent($watermark_r);
             $watermark_r = imagerotate($watermark_r, $options['rotate'], $bg, 1);
         } else {
             $watermark_r = imagerotate($watermark_r, $options['rotate'], 0);
         }
         // endif phpversion()
         $watermark_rWidth = imagesx($watermark_r);
         $watermark_rHeight = imagesy($watermark_r);
     }
     // endif $options['rotate'] !=0
     // Calculate overlay image position
     switch ($options['position']) {
         case 'tl':
             $dest_x = $options['padding'];
             $dest_y = $options['padding'];
             break;
         case 'tr':
             $dest_x = $size[0] - $watermark_rWidth - $options['padding'];
             $dest_y = $options['padding'];
             break;
         case 'bl':
             $dest_x = $options['padding'];
             $dest_y = $size[1] - $watermark_rHeight - $options['padding'];
             break;
         case 'br':
             $dest_x = $size[0] - $watermark_rWidth - $options['padding'];
             $dest_y = $size[1] - $watermark_rHeight - $options['padding'];
             break;
         default:
             $dest_x = round(($size[0] - $watermark_rWidth) / 2);
             $dest_y = round(($size[1] - $watermark_rHeight) / 2);
             break;
     }
     // Overlay the logo watermark image on the original image
     // int imagecopymerge ( resource dst_im, resource src_im, int dst_x, int dst_y, int src_x, int src_y, int src_w, int src_h, int pct );
     if ($usingAlpha) {
         self::imagecopymerge_alpha($image, $watermark_r, $dest_x, $dest_y, 0, 0, $watermark_rWidth, $watermark_rHeight, $options['opacity']);
     } else {
         imagecopymerge($image, $watermark_r, $dest_x, $dest_y, 0, 0, $watermark_rWidth, $watermark_rHeight, $options['opacity']);
     }
     imagedestroy($watermark_r);
     $obLevel = ob_get_level();
     while ($obLevel > 0) {
         ob_end_clean();
         $obLevel--;
     }
     switch ($imagetype) {
         case 1:
             header('Content-type: image/gif');
             imagegif($image);
             break;
         case 2:
             header('Content-type: image/jpeg');
             imagejpeg($image);
             break;
         case 3:
             header('Content-type: image/png');
             imagepng($image);
             break;
         case 6:
             header('Content-type: image/bmp');
             imagewbmp($image);
             break;
     }
     // end switch($imagetype)
     imagedestroy($image);
     exit;
 }