public function watermark($file, $mark_image, $set)
{
$obj = new ecae_image();
$obj->set_file($file);
$obj->watermark(file_get_contents($mark_image), $set['dest_x'], $set['dest_y'], 0, 0, $set['wm_opacity'] ? $set['wm_opacity'] : 50);
$content = $obj->exec();
if ($content) {
file_put_contents($file, $content);
}
}
/**
* 设置图片水印
* @param object image 实体对象
* @param string 文件路径
* @param array 设置的集合
* @return null
*/
function image_watermark(&$imgmdl, $file, $set)
{
switch ($set['wm_type']) {
case 'text':
$mark_image = $set['wm_text_image'];
break;
case 'image':
$mark_image = $set['wm_image'];
break;
default:
return;
}
if ($set['wm_text_preview']) {
$mark_image = $set['wm_text_image'];
} else {
$mark_image = $imgmdl->fetch($mark_image);
}
list($watermark_width, $watermark_height, $type) = getimagesize($mark_image);
list($src_width, $src_height) = getimagesize($file);
list($dest_x, $dest_y) = self::get_watermark_dest($src_width, $src_height, $watermark_width, $watermark_height, $set['wm_loc']);
if (ECAE_MODE) {
include_lib('image.php');
$obj = new ecae_image();
$obj->set_file($file);
$obj->watermark(file_get_contents($mark_image), $dest_x, $dest_y, 0, 0, $set['wm_opacity'] ? $set['wm_opacity'] : 50);
$content = $obj->exec();
if ($content) {
file_put_contents($file, $content);
}
} elseif (function_exists('NewMagickWand')) {
$sourceWand = NewMagickWand();
$compositeWand = NewMagickWand();
MagickReadImage($compositeWand, $mark_image);
MagickReadImage($sourceWand, $file);
MagickSetImageIndex($compositeWand, 0);
MagickSetImageType($compositeWand, MW_TrueColorMatteType);
MagickEvaluateImage($compositeWand, MW_SubtractEvaluateOperator, ($set['wm_opacity'] ? $set['wm_opacity'] : 50) / 100, MW_OpacityChannel);
MagickCompositeImage($sourceWand, $compositeWand, MW_ScreenCompositeOp, $dest_x, $dest_y);
MagickWriteImage($sourceWand, $file);
} elseif (method_exists(image_clip, 'imagecreatefrom')) {
$sourceimage = self::imagecreatefrom($file);
$watermark = self::imagecreatefrom($mark_image);
imagecolortransparent($watermark, imagecolorat($watermark, 0, 0));
imagealphablending($watermark, 1);
$set['wm_opacity'] = intval($set['wm_opacity']);
imagecopymerge($sourceimage, $watermark, $dest_x, $dest_y, 0, 0, $watermark_width, $watermark_height, $set['wm_opacity']);
imagejpeg($sourceimage, $file);
imagedestroy($sourceimage);
imagedestroy($watermark);
}
@unlink($mark_image);
}
