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imagesavealpha() in Element\Image

This commit is contained in:
Sam Sullivan 2016-04-11 12:49:18 -05:00
parent adfcc62e64
commit f4ec74a4c5
1 changed files with 4 additions and 0 deletions
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4
src/PhpWord/Element/Image.php
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@ -335,6 +335,10 @@ class Image extends AbstractElement
// Read image binary data and convert to hex/base64 string // Read image binary data and convert to hex/base64 string
if ($this->sourceType == self::SOURCE_GD) { if ($this->sourceType == self::SOURCE_GD) {
$imageResource = call_user_func($this->imageCreateFunc, $actualSource); $imageResource = call_user_func($this->imageCreateFunc, $actualSource);
if ($this->imageType === 'image/png') {
// PNG images need to preserve alpha channel information
imagesavealpha($imageResource, true);
}
ob_start(); ob_start();
call_user_func($this->imageFunc, $imageResource); call_user_func($this->imageFunc, $imageResource);
$imageBinary = ob_get_contents(); $imageBinary = ob_get_contents();