Lines Matching refs:canvas

195         $canvas = false;
197             $canvas = @imagecreatetruecolor($width, $height);
199         if (!$canvas) {
200             $canvas = @imagecreate($width, $height);
202         if (!$canvas) {
208             imagealphablending($canvas, false);
209             imagesavealpha($canvas, true);
214             $this->keepGifTransparency($this->image, $canvas);
217         return $canvas;
226      * @param resource $canvas New, empty image
229     protected function keepGifTransparency($image, $canvas)  argument
248                 $canvas,
253             @imagefill($canvas, 0, 0, $transcolorindex);
254             @imagecolortransparent($canvas, $transcolorindex);
258             $whitecolorindex = @imagecolorallocate($canvas, 255, 255, 255);
259             @imagefill($canvas, 0, 0, $whitecolorindex);