$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($image);
exit;
public static function createWaterMark($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;
}
