dynamicbitmap.h

/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

/*
 * This code is based on Broken Sword 2.5 engine
 *
 * Copyright (c) Malte Thiesen, Daniel Queteschiner and Michael Elsdoerfer
 *
 * Licensed under GNU GPL v2
 *
 */

#ifndef SWORD25_DYNAMIC_BITMAP_H
#define SWORD25_DYNAMIC_BITMAP_H

#include "sword25/kernel/common.h"
#include "sword25/gfx/bitmap.h"
#include "sword25/gfx/image/renderedimage.h"

#include "common/ptr.h"

namespace Sword25 {

class DynamicBitmap : public Bitmap {
    friend class RenderObject;

public:
    ~DynamicBitmap() override;

    uint getPixel(int x, int y) const override;

    bool setContent(const byte *pixeldata, uint size, uint offset, uint stride) override;

    bool isScalingAllowed() const override;
    bool isAlphaAllowed() const override;
    bool isColorModulationAllowed() const override;
    bool isSetContentAllowed() const override;

    bool persist(OutputPersistenceBlock &writer) override;
    bool unpersist(InputPersistenceBlock &reader) override;

protected:
    bool doRender(RectangleList *updateRects) override;

private:
    DynamicBitmap(RenderObjectPtr<RenderObject> parentPtr, uint width, uint height);
    DynamicBitmap(InputPersistenceBlock &reader, RenderObjectPtr<RenderObject> parentPtr, uint handle);

    bool createRenderedImage(uint width, uint height);

    Common::ScopedPtr<RenderedImage> _image;
};

} // End of namespace Sword25

#endif