scummvm/engines/dgds/image.h
2025-03-10 18:53:20 +02:00

103 lines
3.5 KiB
C++

/* 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/>.
*
*/
#ifndef DGDS_IMAGE_H
#define DGDS_IMAGE_H
#include "common/ptr.h"
#include "common/rect.h"
#include "dgds/resource.h"
namespace Common {
class SeekableReadStream;
}
namespace Graphics {
struct Surface;
class ManagedSurface;
}
namespace Dgds {
class Decompressor;
class DgdsChunkReader;
class ResourceManager;
enum ImageFlipMode {
kImageFlipNone = 0,
kImageFlipV = 1,
kImageFlipH = 2,
kImageFlipHV = 3,
};
class Image {
public:
Image(ResourceManager *resourceMan, Decompressor *decompressor);
virtual ~Image();
void drawScreen(const Common::String &filename, Graphics::ManagedSurface &dst);
void loadBitmap(const Common::String &filename);
int frameCount(const Common::String &filename);
void drawBitmap(uint frameno, int x, int y, const Common::Rect &drawWin, Graphics::ManagedSurface &dst, ImageFlipMode flip = kImageFlipNone, int dstWidth = 0, int dstHeight = 0) const;
void drawScrollBitmap(int16 x, int16 y, int16 width, int16 height, int16 scrollX, int16 scrollY, const Common::Rect &drawWin, Graphics::ManagedSurface &dst) const;
Common::SharedPtr<Graphics::ManagedSurface> getSurface(uint frameno) const;
const Common::Array<Common::SharedPtr<Graphics::ManagedSurface>> &getFrames() const { return _frames; }
int16 getFrameFromMatrix(int16 x, int16 y);
int16 width(uint frameno) const;
int16 height(uint frameno) const;
int loadedFrameCount() const { return _frames.size(); }
bool isLoaded() const { return !_frames.empty(); }
const Common::String &getFilename() const { return _filename; }
private:
void loadAmigaBitmap(Common::SeekableReadStream *stream, DGDS_EX ex);
void loadPCBitmap(Common::SeekableReadStream *stream, DGDS_EX ex);
void loadAmigaScreen(Graphics::ManagedSurface &surf, Common::SeekableReadStream *stream, DGDS_EX ex);
void loadPCScreen(Graphics::ManagedSurface &surf, Common::SeekableReadStream *stream, DGDS_EX ex);
void loadBitmap4(Graphics::ManagedSurface *surf, uint32 toffset, Common::SeekableReadStream *stream, bool highByte, uint16 width, uint16 height);
void loadBitmap8(Graphics::ManagedSurface *surf, uint32 toffset, Common::SeekableReadStream *stream, uint16 width, uint16 height);
uint32 loadVQT(Graphics::ManagedSurface *surf, uint32 toffset, Common::SeekableReadStream *stream);
bool loadSCN(Graphics::ManagedSurface *surf, Common::SeekableReadStream *stream);
Common::Array<Common::SharedPtr<Graphics::ManagedSurface>> _frames;
ResourceManager *_resourceMan;
Decompressor *_decompressor;
Common::String _filename; // the file this was loaded from - only used for debugging
// Used if the image is a scrolling image.
int16 _matrixX;
int16 _matrixY;
Common::Array<uint16> _tileMatrix;
};
} // End of namespace Dgds
#endif // DGDS_IMAGE_H