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imagesavealpha() in Writer\AbstractWriter

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This commit is contained in:
Sam Sullivan 2016-04-11 12:48:43 -05:00
parent 28f801b5d0
commit adfcc62e64
1 changed files with 4 additions and 0 deletions
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4
src/PhpWord/Writer/AbstractWriter.php
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@ -360,6 +360,10 @@ abstract class AbstractWriter implements WriterInterface
// Retrive GD image content or get local media // Retrive GD image content or get local media
if (isset($element['isMemImage']) && $element['isMemImage']) { if (isset($element['isMemImage']) && $element['isMemImage']) {
$image = call_user_func($element['createFunction'], $element['source']); $image = call_user_func($element['createFunction'], $element['source']);
if ($element['imageType'] === 'image/png') {
// PNG images need to preserve alpha channel information
imagesavealpha($image, true);
}
ob_start(); ob_start();
call_user_func($element['imageFunction'], $image); call_user_func($element['imageFunction'], $image);
$imageContents = ob_get_contents(); $imageContents = ob_get_contents();