Preserve alpha in WP_Image_Editor_GD when images are not resized.

Props joehoyle
see #23039


git-svn-id: http://core.svn.wordpress.org/trunk@23884 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Ryan Boren 2013-04-01 15:21:19 +00:00
parent b7d31db410
commit 6806d48a90

View File

@ -97,6 +97,11 @@ class WP_Image_Editor_GD extends WP_Image_Editor {
if ( ! $size )
return new WP_Error( 'invalid_image', __('Could not read image size.'), $this->file );
if ( function_exists( 'imagealphablending' ) && function_exists( 'imagesavealpha' ) ) {
imagealphablending( $this->image, false );
imagesavealpha( $this->image, true );
}
$this->update_size( $size[0], $size[1] );
$this->mime_type = $size['mime'];