scummvm/engines/trecision/graphics.h
2022-01-26 01:40:48 +02:00

117 lines
3.9 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 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 TRECISION_GRAPHICS_H
#define TRECISION_GRAPHICS_H
#include "common/rect.h"
#include "graphics/pixelformat.h"
#include "graphics/surface.h"
namespace Common {
class SeekableReadStream;
}
namespace Trecision {
class TrecisionEngine;
struct Font {
int8 *_data;
uint16 _width;
};
class GraphicsManager {
TrecisionEngine *_vm;
Graphics::Surface _screenBuffer;
Graphics::Surface _background;
Graphics::Surface _smkBackground;
Graphics::Surface _leftInventoryArrow;
Graphics::Surface _rightInventoryArrow;
Graphics::Surface _inventoryIcons;
Graphics::Surface _saveSlotThumbnails;
Graphics::Surface _textureMat;
Graphics::PixelFormat _screenFormat;
uint16 _bitMask[3];
Font _fonts[256];
Common::List<Common::Rect> _dirtyRects;
const Graphics::PixelFormat _rgb555Format;
uint16 aliasing(uint32 val1, uint32 val2, uint8 num);
void drawCharPixel(uint16 y, uint16 charLeft, uint16 charRight, Common::Rect rect, Common::Rect subtitleRect, uint16 color, Graphics::Surface *externalSurface = nullptr);
void initCursor();
void copyToScreenBufferInner(const Graphics::Surface *surface, int x, int y);
void paintObjAnm(uint16 curBox);
void drawObj(int index, bool mask, Common::Rect drawRect, Common::Rect drawObjRect, bool includeDirtyRect = true);
void eraseObj(Common::Rect drawObjRect);
public:
GraphicsManager(TrecisionEngine *vm);
~GraphicsManager();
bool init();
void clearScreen();
void copyToScreen(int x, int y, int w, int h);
void copyToScreenBuffer(const Graphics::Surface *surface, int x, int y, const byte *palette);
void blitToScreenBuffer(const Graphics::Surface *surface, int x, int y, const byte *palette, bool useSmkBg);
void paintScreen(bool flag);
void loadBackground(Common::SeekableReadStream *stream);
void clearScreenBuffer();
void clearScreenBufferTop();
void clearScreenBufferInventory();
void clearScreenBufferSaveSlotDescriptions();
void drawLeftInventoryArrow(byte startLine);
void drawRightInventoryArrow(byte startLine);
void drawInventoryIcon(byte iconIndex, byte iconSlot, byte startLine);
void drawSaveSlotThumbnail(byte iconIndex, byte iconSlot, byte startLine);
void setSaveSlotThumbnail(byte iconSlot, const Graphics::Surface *thumbnail);
void readSurface(Common::SeekableReadStream *stream, Graphics::Surface *surface, uint16 width, uint16 height, uint16 count = 1);
void readTexture(Common::SeekableReadStream *stream);
void drawTexturePixel(uint16 textureX, uint16 textureY, uint16 screenX, uint16 screenY);
uint16 convertToScreenFormat(uint16 color) const;
void shadow(uint16 x, uint16 y, uint8 num);
void pixelAliasing(uint16 x, uint16 y);
void dissolve();
void addDirtyRect(Common::Rect rect, bool translateRect);
uint16 getCharWidth(byte character);
void drawChar(byte curChar, uint16 textColor, uint16 line, Common::Rect rect, Common::Rect subtitleRect, uint16 inc, Graphics::Surface *externalSurface);
bool isCursorVisible();
void showCursor();
void hideCursor();
void loadFont();
void loadData();
void showDemoPic();
};
} // End of namespace Trecision
#endif