Lines Matching refs:canvas

217         $canvas = false;
219             $canvas = @imagecreatetruecolor($width, $height);
221         if (!$canvas) {
222             $canvas = @imagecreate($width, $height);
224         if (!$canvas) {
230             imagealphablending($canvas, false);
231             imagesavealpha($canvas, true);
236             $this->keepGifTransparency($this->image, $canvas);
239         return $canvas;
248      * @param resource $canvas New, empty image
251     protected function keepGifTransparency($image, $canvas)  argument
270                 $canvas,
275             @imagefill($canvas, 0, 0, $transcolorindex);
276             @imagecolortransparent($canvas, $transcolorindex);
280             $whitecolorindex = @imagecolorallocate($canvas, 255, 255, 255);
281             @imagefill($canvas, 0, 0, $whitecolorindex);