通过gd库为图片添加透明水印_PHP教程

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Release: 2016-07-13 17:32:50
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请查看源文件
注:需GD 2.0以上才能有透明效果
(做为现在的主流开发语言)
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);
?>

www.bkjia.com true http://www.bkjia.com/PHPjc/508661.html TechArticle 请查看源文件 注:需GD 2.0以上才能有透明效果 ?php (做为现在的主流开发语言) header ("Content-type: image/png"); logoImage = ImageCreateFromPNG(test.png);...
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