Lines Matching refs:canvas

216         $canvas = false;
218             $canvas = @imagecreatetruecolor($width, $height);
220         if (!$canvas) {
221             $canvas = @imagecreate($width, $height);
223         if (!$canvas) {
229             imagealphablending($canvas, false);
230             imagesavealpha($canvas, true);
235             $this->keepGifTransparency($this->image, $canvas);
238         return $canvas;
247      * @param resource $canvas New, empty image
250     protected function keepGifTransparency($image, $canvas)  argument
269                 $canvas,
274             @imagefill($canvas, 0, 0, $transcolorindex);
275             @imagecolortransparent($canvas, $transcolorindex);
279             $whitecolorindex = @imagecolorallocate($canvas, 255, 255, 255);
280             @imagefill($canvas, 0, 0, $whitecolorindex);