scummvm/engines/mohawk/myst_graphics.h

103 lines
2.9 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 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.
*
*/
#ifndef MOHAWK_MYST_GRAPHICS_H
#define MOHAWK_MYST_GRAPHICS_H
#include "mohawk/graphics.h"
#include "common/file.h"
namespace Graphics {
class JPEG;
class PictDecoder;
}
namespace Mohawk {
class MystBitmap;
class MohawkEngine_Myst;
enum RectState {
kRectEnabled,
kRectDisabled,
kRectUnreachable
};
class MystGraphics : public GraphicsManager {
public:
MystGraphics(MohawkEngine_Myst*);
~MystGraphics();
void loadExternalPictureFile(uint16 stack);
void copyImageSectionToScreen(uint16 image, Common::Rect src, Common::Rect dest);
void copyImageSectionToBackBuffer(uint16 image, Common::Rect src, Common::Rect dest);
void copyImageToScreen(uint16 image, Common::Rect dest);
void copyImageToBackBuffer(uint16 image, Common::Rect dest);
void copyBackBufferToScreen(Common::Rect r);
void runTransition(uint16 type, Common::Rect rect, uint16 steps, uint16 delay);
void drawRect(Common::Rect rect, RectState state);
void drawLine(const Common::Point &p1, const Common::Point &p2, uint32 color);
void enableDrawingTimeSimulation(bool enable);
void fadeToBlack();
void fadeFromBlack();
protected:
MohawkSurface *decodeImage(uint16 id);
MohawkEngine *getVM() { return (MohawkEngine *)_vm; }
void simulatePreviousDrawDelay(const Common::Rect &dest);
void copyBackBufferToScreenWithSaturation(int16 saturation);
private:
MohawkEngine_Myst *_vm;
MystBitmap *_bmpDecoder;
Graphics::PictDecoder *_pictDecoder;
Graphics::JPEG *_jpegDecoder;
struct PictureFile {
uint32 pictureCount;
struct PictureEntry {
uint32 offset;
uint32 size;
uint16 id;
uint16 type;
uint16 width;
uint16 height;
} *entries;
Common::File picFile;
} _pictureFile;
Graphics::Surface *_backBuffer;
Graphics::PixelFormat _pixelFormat;
Common::Rect _viewport;
int _enableDrawingTimeSimulation;
uint32 _nextAllowedDrawTime;
static const uint _constantDrawDelay = 10; // ms
static const uint _proportionalDrawDelay = 500; // pixels per ms
};
} // End of namespace Mohawk
#endif