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Add transparent watermark to pictures through gd library_PHP tutorial
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- 2016-07-13 17:32:501343browse
Please view the source file
Note: GD 2.0 or above is required to have a transparent effect
(as the current mainstream development language)
header ("Content-type: image /png");
$logoImage = ImageCreateFromPNG(test.png);
$photoImage = ImageCreateFromJpeg(back.jpg);
ImageAlphaBlending($photoImage, true);
$logoW = ImageSX( $logoImage);
$logoH = ImageSY($logoImage);
ImageCopy($photoImage, $logoImage, 0, 0, 0, 0, $logoW, $logoH);
ImageJPEG($photoImage) ; // output to browser
ImageDestroy($photoImage);
ImageDestroy($logoImage);
?>
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