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png透明图片生成缩略图，背景如何变成透明 #9

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Toby108 opened this issue Apr 11, 2018 · 0 comments

Toby108 commented Apr 11, 2018 •

edited

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Image.php文件，第266 267行，改为以下代码可达到目的
$alpha = imagecolorallocatealpha($img, 0, 0, 0, 127);
imagefill($img, 0, 0, $alpha);

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