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Update functions.php

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Changed createThumbnail() to support transparent PNG thumbnails.
This commit is contained in:
Rizlation 2014-07-26 15:52:06 -05:00
parent 866bbfaa7f
commit 4a65c03ee7
1 changed files with 14 additions and 4 deletions
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18
inc/functions.php
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@ -362,9 +362,19 @@ function createThumbnail($name, $filename, $new_w, $new_h) {
$thumb_w = round($old_x * $percent);
$thumb_h = round($old_y * $percent);
$dst_img = ImageCreateTrueColor($thumb_w, $thumb_h);
fastImageCopyResampled($dst_img, $src_img, 0, 0, 0, 0, $thumb_w, $thumb_h, $old_x, $old_y);
if (preg_match("/png/", $system[0]) && (imagepng($src_img, $filename))) {
$dst_img = imagecreatetruecolor($thumb_w, $thumb_h);
imagealphablending($dst_img, false);
imagesavealpha($dst_img, true);
$color = imagecolorallocatealpha($dst_img, 0, 0, 0, 0);
imagefilledrectangle($dst_img, 0, 0, $thumb_w, $thumb_h, $color);
imagecolortransparent($dst_img, $color);
} else {
$dst_img = ImageCreateTrueColor($thumb_w, $thumb_h);
}
ImageCopyResampled($dst_img, $src_img, 0, 0, 0, 0, $thumb_w, $thumb_h, $old_x, $old_y);
if (preg_match("/png/", $system[0])) {
if (!imagepng($dst_img, $filename)) {
return false;
@ -378,10 +388,10 @@ function createThumbnail($name, $filename, $new_w, $new_h) {
return false;
}
}
imagedestroy($dst_img);
imagedestroy($src_img);
return true;
}