scummvm/engines/sci/graphics/view.h
2011-05-12 01:16:22 +02:00

124 lines
4.0 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 SCI_GRAPHICS_VIEW_H
#define SCI_GRAPHICS_VIEW_H
namespace Sci {
enum Sci32ViewNativeResolution {
SCI_VIEW_NATIVERES_NONE = -1,
SCI_VIEW_NATIVERES_320x200 = 0,
SCI_VIEW_NATIVERES_640x480 = 1,
SCI_VIEW_NATIVERES_640x400 = 2
};
struct CelInfo {
int16 width, height;
int16 scriptWidth, scriptHeight;
int16 displaceX;
int16 displaceY;
byte clearKey;
uint16 offsetEGA;
uint32 offsetRLE;
uint32 offsetLiteral;
byte *rawBitmap;
};
struct LoopInfo {
bool mirrorFlag;
uint16 celCount;
CelInfo *cel;
};
#define SCI_VIEW_EGAMAPPING_SIZE 16
#define SCI_VIEW_EGAMAPPING_COUNT 8
class GfxScreen;
class GfxPalette;
/**
* View class, handles loading of view resources and drawing contained cels to screen
* every view resource has its own instance of this class
*/
class GfxView {
public:
GfxView(ResourceManager *resMan, GfxScreen *screen, GfxPalette *palette, GuiResourceId resourceId);
~GfxView();
GuiResourceId getResourceId() const;
int16 getWidth(int16 loopNo, int16 celNo) const;
int16 getHeight(int16 loopNo, int16 celNo) const;
const CelInfo *getCelInfo(int16 loopNo, int16 celNo) const;
void getCelRect(int16 loopNo, int16 celNo, int16 x, int16 y, int16 z, Common::Rect &outRect) const;
void getCelSpecialHoyle4Rect(int16 loopNo, int16 celNo, int16 x, int16 y, int16 z, Common::Rect &outRect) const;
void getCelScaledRect(int16 loopNo, int16 celNo, int16 x, int16 y, int16 z, int16 scaleX, int16 scaleY, Common::Rect &outRect) const;
const byte *getBitmap(int16 loopNo, int16 celNo);
void draw(const Common::Rect &rect, const Common::Rect &clipRect, const Common::Rect &clipRectTranslated, int16 loopNo, int16 celNo, byte priority, uint16 EGAmappingNr, bool upscaledHires);
void drawScaled(const Common::Rect &rect, const Common::Rect &clipRect, const Common::Rect &clipRectTranslated, int16 loopNo, int16 celNo, byte priority, int16 scaleX, int16 scaleY);
uint16 getLoopCount() const { return _loopCount; }
uint16 getCelCount(int16 loopNo) const;
Palette *getPalette();
bool isScaleable();
bool isSci2Hires();
void adjustToUpscaledCoordinates(int16 &y, int16 &x);
void adjustBackUpscaledCoordinates(int16 &y, int16 &x);
private:
void initData(GuiResourceId resourceId);
void unpackCel(int16 loopNo, int16 celNo, byte *outPtr, uint32 pixelCount);
void unditherBitmap(byte *bitmap, int16 width, int16 height, byte clearKey);
ResourceManager *_resMan;
GfxCoordAdjuster *_coordAdjuster;
GfxScreen *_screen;
GfxPalette *_palette;
GuiResourceId _resourceId;
Resource *_resource;
byte *_resourceData;
int _resourceSize;
uint16 _loopCount;
LoopInfo *_loop;
bool _embeddedPal;
Palette _viewPalette;
// specifies scaling resolution for SCI2 views (see gk1/windows, Wolfgang in room 720)
Sci32ViewNativeResolution _sci2ScaleRes;
byte *_EGAmapping;
// this is set for sci0early to adjust for the getCelRect() change
int16 _adjustForSci0Early;
// this is not set for some views in laura bow 2 floppy and signals that the view shall never get scaled
// even if scaleX/Y are set (inside kAnimate)
bool _isScaleable;
};
} // End of namespace Sci
#endif