scummvm/engines/mohawk/myst_graphics.h

111 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 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"
#include "graphics/font.h"
namespace Mohawk {
class MystBitmap;
class MohawkEngine_Myst;
enum RectState {
kRectEnabled,
kRectDisabled,
kRectUnreachable
};
class MystGraphics : public GraphicsManager {
public:
explicit MystGraphics(MohawkEngine_Myst *vm);
~MystGraphics() override;
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(TransitionType 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 fadeToBlack();
void fadeFromBlack();
void clearScreen();
void clearScreenPalette();
void setPaletteToScreen();
const byte *getPalette() const { return _palette; }
void saveStateForMainMenu();
void restoreStateForMainMenu();
Graphics::Surface *getThumbnailForMainMenu() const;
void loadMenuFont();
Common::Rect getTextBoundingBox(const Common::U32String &text, const Common::Rect &dest, Graphics::TextAlign align);
void drawText(uint16 image, const Common::U32String &text, const Common::Rect &dest, uint8 r, uint8 g, uint8 b, Graphics::TextAlign align, int16 deltaY);
void replaceImageWithRect(uint16 destImage, uint16 sourceImage, const Common::Rect &sourceRect);
protected:
MohawkSurface *decodeImage(uint16 id) override;
MohawkEngine *getVM() override { return (MohawkEngine *)_vm; }
private:
MohawkEngine_Myst *_vm;
MystBitmap *_bmpDecoder;
Graphics::Surface *_backBuffer;
Graphics::PixelFormat _pixelFormat;
Common::Rect _viewport;
byte _palette[256 * 3];
Common::ScopedPtr<Graphics::Surface, Graphics::SurfaceDeleter> _mainMenuBackupScreen;
Common::ScopedPtr<Graphics::Surface, Graphics::SurfaceDeleter> _mainMenuBackupScreenThumbnail;
Common::ScopedPtr<Graphics::Surface, Graphics::SurfaceDeleter> _mainMenuBackupBackBuffer;
void transitionDissolve(Common::Rect rect, uint step);
void transitionSlideToLeft(Common::Rect rect, uint16 steps, uint16 delay);
void transitionSlideToRight(Common::Rect rect, uint16 steps, uint16 delay);
void transitionSlideToTop(Common::Rect rect, uint16 steps, uint16 delay);
void transitionSlideToBottom(Common::Rect rect, uint16 steps, uint16 delay);
void transitionPartialToRight(Common::Rect rect, uint32 width, uint32 steps);
void transitionPartialToLeft(Common::Rect rect, uint32 width, uint32 steps);
void remapSurfaceToSystemPalette(MohawkSurface *mhkSurface);
byte getColorIndex(const byte *palette, byte red, byte green, byte blue);
void applyImagePatches(uint16 id, const MohawkSurface *mhkSurface) const;
Graphics::Font *_menuFont;
const Graphics::Font *getMenuFont() const;
};
} // End of namespace Mohawk
#endif