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/* 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 2
 * 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, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * $URL$
 * $Id$
 *
 */

/*
 * 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


// -----------------------------------------------------------------------------
// Includes
// -----------------------------------------------------------------------------

#include "sword25/kernel/common.h"
#include "sword25/gfx/bitmap.h"
#include "sword25/gfx/opengl/glimage.h"

#include "common/ptr.h"

namespace Sword25 {

// -----------------------------------------------------------------------------
// Klassendeklaration
// -----------------------------------------------------------------------------

class DynamicBitmap : public Bitmap {
	friend class RenderObject;

public:
	virtual ~DynamicBitmap();

	virtual uint GetPixel(int X, int Y) const;

	virtual bool    SetContent(const byte *Pixeldata, uint size, uint Offset, uint Stride);

	virtual bool    IsScalingAllowed() const;
	virtual bool    IsAlphaAllowed() const;
	virtual bool    IsColorModulationAllowed() const;
	virtual bool    IsSetContentAllowed() const;

	virtual bool    Persist(OutputPersistenceBlock &Writer);
	virtual bool    Unpersist(InputPersistenceBlock &Reader);

protected:
	virtual bool    DoRender();

private:
	DynamicBitmap(RenderObjectPtr<RenderObject> ParentPtr, uint Width, uint Height);
	DynamicBitmap(InputPersistenceBlock &Reader, RenderObjectPtr<RenderObject> ParentPtr, uint Handle);

	bool CreateGLImage(uint Width, uint Height);

	Common::ScopedPtr<GLImage> m_Image;
};

} // End of namespace Sword25

#endif