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修复thumb2方法生成PNG背景图是黑色的问题 #31

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修复thumb2方法生成PNG背景图是黑色的问题 #31

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13 changes: 7 additions & 6 deletions Extend/Library/ORG/Util/Image.class.php
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Original file line number Diff line number Diff line change
Expand Up @@ -275,17 +275,18 @@ static function thumb2($image, $thumbname, $type='', $maxWidth=200, $maxHeight=5
else
$thumbImg = imagecreate($maxWidth, $maxHeight);

if ('gif' == $type || 'png' == $type) {
imagealphablending($thumbImg, false);//取消默认的混色模式
imagesavealpha($thumbImg,true);//设定保存完整的 alpha 通道信息
$background_color = imagecolorallocate($thumbImg, 0, 255, 0); // 指派一个绿色
imagecolortransparent($thumbImg, $background_color); // 设置为透明色，若注释掉该行则输出绿色的图
}

// 复制图片
if (function_exists("ImageCopyResampled"))
imagecopyresampled($thumbImg, $srcImg, 0, 0, $srcX, $srcY, $maxWidth, $maxHeight, $cutWidth, $cutHeight);
else
imagecopyresized($thumbImg, $srcImg, 0, 0, $srcX, $srcY, $maxWidth, $maxHeight, $cutWidth, $cutHeight);
if ('gif' == $type || 'png' == $type) {
//imagealphablending($thumbImg, false);//取消默认的混色模式
//imagesavealpha($thumbImg,true);//设定保存完整的 alpha 通道信息
$background_color = imagecolorallocate($thumbImg, 0, 255, 0); // 指派一个绿色
imagecolortransparent($thumbImg, $background_color); // 设置为透明色，若注释掉该行则输出绿色的图
}

// 对jpeg图形设置隔行扫描
if ('jpg' == $type || 'jpeg' == $type)
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