* Copyright 2015 Julian Harnath <julian.harnath@rwth-aachen.de>
* All rights reserved. Distributed under the terms of the MIT license.
*/
#ifndef LAYER_H
#define LAYER_H
#include "ServerPicture.h"
#include "IntPoint.h"
class AlphaMask;
class Canvas;
class UtilityBitmap;
class Layer : public ServerPicture {
public:
Layer(uint8 opacity);
virtual ~Layer();
void PushLayer(Layer* layer);
Layer* PopLayer();
UtilityBitmap* RenderToBitmap(Canvas* canvas);
IntPoint LeftTopOffset() const;
uint8 Opacity() const;
private:
BRect _DetermineBoundingBox(Canvas* canvas);
UtilityBitmap* _AllocateBitmap(const BRect& bounds);
private:
uint8 fOpacity;
IntPoint fLeftTopOffset;
};
#endif
