scummvm/engines/kyra/graphics/screen_v2.h
2020-02-09 12:43:15 +01:00

82 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 KYRA_SCREEN_V2_H
#define KYRA_SCREEN_V2_H
#include "kyra/graphics/screen.h"
#include "kyra/engine/kyra_v2.h"
namespace Kyra {
class Screen_v2 : public Screen {
public:
Screen_v2(KyraEngine_v1 *vm, OSystem *system, const ScreenDim *dimTable, const int dimTableSize);
~Screen_v2() override;
// screen page handling
void checkedPageUpdate(int srcPage, int dstPage);
// palette handling
uint8 *generateOverlay(const Palette &pal, uint8 *buffer, int color, uint weight, int maxColor = -1);
void applyOverlay(int x, int y, int w, int h, int pageNum, const uint8 *overlay);
int findLeastDifferentColor(const uint8 *paletteEntry, const Palette &pal, uint8 firstColor, uint16 numColors, bool skipSpecialColors = false);
void getFadeParams(const Palette &pal, int delay, int &delayInc, int &diff) override;
bool timedPaletteFadeStep(uint8 *pal1, uint8 *pal2, uint32 elapsedTime, uint32 totalTime);
// shape handling
uint8 *getPtrToShape(uint8 *shpFile, int shape);
const uint8 *getPtrToShape(const uint8 *shpFile, int shape);
int getShapeScaledWidth(const uint8 *shpFile, int scale);
int getShapeScaledHeight(const uint8 *shpFile, int scale);
uint16 getShapeSize(const uint8 *shp);
uint8 *makeShapeCopy(const uint8 *src, int index);
// rect handling
int getRectSize(int w, int h) override;
bool calcBounds(int w0, int h0, int &x1, int &y1, int &w1, int &h1, int &x2, int &y2, int &w2);
// text display
void setTextColorMap(const uint8 *cmap) override;
// layer handling
virtual int getLayer(int x, int y);
// special WSA handling
void wsaFrameAnimationStep(int x1, int y1, int x2, int y2, int w1, int h1, int w2, int h2, int srcPage, int dstPage, int dim);
// used in non-interactive HoF/LoL demos
void copyPageMemory(int srcPage, int srcPos, int dstPage, int dstPos, int numBytes);
void copyRegionEx(int srcPage, int srcW, int srcH, int dstPage, int dstX,int dstY, int dstW, int dstH, const ScreenDim *d, bool flag = false);
protected:
uint8 *_wsaFrameAnimBuffer;
};
} // End of namespace Kyra
#endif