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/* ScummVM - Scumm Interpreter
* Copyright (C) 2004-2005 The ScummVM project
*
* 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.
*
* $Header$
*
*/
#ifndef KYRASCREEN_H
#define KYRASCREEN_H
#include "common/util.h"
class OSystem;
namespace Kyra {
class KyraEngine;
struct ScreenDim {
uint16 sx;
uint16 sy;
uint16 w;
uint16 h;
uint16 unk8;
uint16 unkA;
uint16 unkC;
uint16 unkE;
};
struct Font {
uint8 *fontData;
uint8 *charWidthTable;
uint16 charBoxHeight;
uint16 charBitmapOffset;
uint16 charWidthTableOffset;
uint16 charHeightTableOffset;
};
class Screen {
public:
enum {
SCREEN_W = 320,
SCREEN_H = 200,
SCREEN_PAGE_SIZE = 320 * 200 + 1024,
SCREEN_PAGE_NUM = 16
};
enum CopyRegionFlags {
CR_X_FLIPPED = 0x01,
CR_CLIPPED = 0x02
};
enum DrawShapeFlags {
DSF_X_FLIPPED = 0x01,
DSF_Y_FLIPPED = 0x02,
DSF_SCALE = 0x04,
DSF_WND_COORDS = 0x10,
DSF_CENTER = 0x20
};
enum FontId {
FID_6_FNT = 0,
FID_8_FNT,
FID_NUM
};
Screen(KyraEngine *vm, OSystem *system);
~Screen();
void updateScreen();
uint8 *getPagePtr(int pageNum);
void clearPage(int pageNum);
int setCurPage(int pageNum);
void clearCurPage();
uint8 getPagePixel(int pageNum, int x, int y);
void setPagePixel(int pageNum, int x, int y, uint8 color);
void fadeFromBlack();
void fadeToBlack();
void fadePalette(const uint8 *palData, int delay);
void setScreenPalette(const uint8 *palData);
void copyToPage0(int y, int h, uint8 page, uint8 *seqBuf);
void copyRegion(int x1, int y1, int x2, int y2, int w, int h, int srcPage, int dstPage, int flags=0);
void copyBlockToPage(int pageNum, int x, int y, int w, int h, const uint8 *src);
void copyCurPageBlock(int x, int y, int h, int w, uint8 *dst);
void shuffleScreen(int sx, int sy, int w, int h, int srcPage, int dstPage, int ticks, bool transparent);
void fillRect(int x1, int y1, int x2, int y2, uint8 color, int pageNum = -1);
void setAnimBlockPtr(int size);
void setTextColorMap(const uint8 *cmap);
void setTextColor(const uint8 *cmap, int a, int b);
void loadFont(FontId fontId, uint8 *fontData);
FontId setFont(FontId fontId);
int getCharWidth(uint8 c) const;
int getTextWidth(const char *str) const;
void printText(const char *str, int x, int y, uint8 color1, uint8 color2);
void drawChar(uint8 c, int x, int y);
void setScreenDim(int dim);
void drawShapePlotPixelCallback1(uint8 *dst, uint8 color);
void drawShape(uint8 pageNum, const uint8 *shapeData, int x, int y, int sd, int flags, int *flagsTable, bool itemShape=false);
static void decodeFrame3(const uint8 *src, uint8 *dst, uint32 size);
static void decodeFrame4(const uint8 *src, uint8 *dst, uint32 dstSize);
static void decodeFrameDelta(uint8 *dst, const uint8 *src);
static void decodeFrameDeltaPage(uint8 *dst, const uint8 *src, int pitch);
uint8 *encodeShape(int x, int y, int w, int h, int flags);
void copyRegionToBuffer(int pageNum, int x, int y, int w, int h, uint8 *dest);
int getRectSize(int x, int y);
void hideMouse();
void showMouse();
void setShapePages(int page1, int page2);
byte *setMouseCursor(int x, int y, byte *shape);
int _charWidth;
int _charOffset;
int _curPage;
uint8 *_currentPalette;
typedef void (Screen::*DrawShapePlotPixelCallback)(uint8 *dst, uint8 c);
private:
int16 encodeShapeAndCalculateSize(uint8 *from, uint8 *to, int size);
void restoreMouseRect();
void copyMouseToScreen();
void copyScreenFromRect(int x, int y, int w, int h, uint8 *ptr);
void copyScreenToRect(int x, int y, int w, int h, uint8 *ptr);
uint8 *_pagePtrs[16];
uint8 *_shapePages[2];
uint8 *_screenPalette;
const ScreenDim *_curDim;
FontId _currentFont;
Font _fonts[FID_NUM];
uint8 _textColorsMap[16];
uint8 *_decodeShapeBuffer;
int _decodeShapeBufferSize;
uint8 *_animBlockPtr;
int _animBlockSize;
uint8 *_mouseShape;
uint8 *_mouseRect;
int _mouseShapeSize;
int _mouseRectSize;
int _mouseDrawX, _mouseDrawY;
int _mouseDrawWidth, _mouseDrawHeight;
int _mouseWidth, _mouseHeight;
int _mouseXOffset, _mouseYOffset;
OSystem *_system;
KyraEngine *_vm;
static const ScreenDim _screenDimTable[];
static const int _screenDimTableCount;
static const DrawShapePlotPixelCallback _drawShapePlotPixelTable[];
static const int _drawShapePlotPixelCount;
};
} // End of namespace Kyra
#endif
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