bitmap2D.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/>.
 *
 */

/*
 * Copyright (C) 2006-2010 - Frictional Games
 *
 * This file is part of HPL1 Engine.
 */

#ifndef HPL_BITMAP2D_H
#define HPL_BITMAP2D_H

#include "common/ptr.h"
#include "common/rect.h"
#include "graphics/pixelformat.h"
#include "graphics/surface.h"
#include "hpl1/engine/graphics/GraphicsTypes.h"
#include "hpl1/engine/graphics/LowLevelPicture.h"
#include "hpl1/engine/math/MathTypes.h"
#include "image/image_decoder.h"

namespace hpl {

class Bitmap2D : public LowLevelPicture {
public:
    Bitmap2D(const cVector2l &size, const Graphics::PixelFormat &format);
    Bitmap2D(const tString &filename, const tString &type, const Graphics::PixelFormat &desiredFormat = {});

    ~Bitmap2D();

    void drawToBitmap(Bitmap2D &dest, const cVector2l &at, Common::Rect srcSubrect = {});

    bool create(const cVector2l &size, const Graphics::PixelFormat &format);

    void fillRect(const cRect2l &rect, const cColor &color);

    const void *getRawData() const;

    int getNumChannels();

    const Graphics::PixelFormat &format() const;

    bool hasAlpha() override;

    uint32 getBpp() const override;

    void copyRedToAlpha();

private:
    void copyDecoder(const Graphics::PixelFormat &format = {});
    const Graphics::Surface &activeSurface() const;

    Graphics::Surface _surface;
    Common::ScopedPtr<Image::ImageDecoder> _decoder;
    bool _isSurfaceActive;
};

typedef Common::Array<Bitmap2D *> tBitmap2DVec;
typedef Common::Array<Bitmap2D *>::iterator tBitmap2DVecIt;

} // namespace hpl

#endif // HPL_BITMAP2D_H