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
WordPress · Apr 1, 2013 · 6806d48 · 6806d48
1 parent b7d31db
commit 6806d48
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/wp-includes/class-wp-image-editor-gd.php b/wp-includes/class-wp-image-editor-gd.php
@@ -97,6 +97,11 @@ public function load() {
 		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'];