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fix bug #11 :透明背景的png需要使用imagesavealpha保存alpha通道才能不变成背景黑色 #12

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fix bug #11 :透明背景的png需要使用imagesavealpha保存alpha通道才能不变成背景黑色 #12

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2 changes: 2 additions & 0 deletions doitphp/library/Image.php
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Original file line number Diff line number Diff line change
Expand Up @@ -208,6 +208,8 @@ protected function _parseImageInfo($url) {

case 3:
$this->_image = imagecreatefrompng($url);
//bug fix #11 :透明背景的png需要使用imagesavealpha保存alpha通道才能不变成背景黑色
imagesavealpha($this->_image, true);
$this->_type = 'png';
break;

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