mirror of
https://github.com/libretro/scummvm.git
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370 lines
10 KiB
C++
370 lines
10 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* $URL$
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* $Id$
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*
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*/
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#ifndef KYRA_SCREEN_H
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#define KYRA_SCREEN_H
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#include "common/util.h"
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#include "common/func.h"
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class OSystem;
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namespace Kyra {
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typedef Common::Functor0<void> UpdateFunctor;
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class KyraEngine_v1;
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struct Rect {
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int x, y;
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int x2, y2;
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};
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struct ScreenDim {
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uint16 sx;
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uint16 sy;
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uint16 w;
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uint16 h;
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uint16 unk8;
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uint16 unkA;
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uint16 unkC;
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uint16 unkE;
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};
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struct Font {
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uint8 *fontData;
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uint8 *charWidthTable;
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uint16 charSizeOffset;
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uint16 charBitmapOffset;
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uint16 charWidthTableOffset;
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uint16 charHeightTableOffset;
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};
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class Screen {
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public:
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enum {
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SCREEN_W = 320,
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SCREEN_H = 200,
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SCREEN_PAGE_SIZE = 320 * 200 + 1024,
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SCREEN_OVL_SJIS_SIZE = 640 * 400,
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SCREEN_PAGE_NUM = 16,
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SCREEN_OVLS_NUM = 4
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};
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enum CopyRegionFlags {
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CR_NO_P_CHECK = 0x01
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};
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enum DrawShapeFlags {
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DSF_X_FLIPPED = 0x01,
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DSF_Y_FLIPPED = 0x02,
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DSF_SCALE = 0x04,
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DSF_WND_COORDS = 0x10,
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DSF_CENTER = 0x20
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};
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enum FontId {
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FID_6_FNT = 0,
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FID_8_FNT,
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FID_9_FNT,
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FID_CRED6_FNT,
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FID_CRED8_FNT,
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FID_BOOKFONT_FNT,
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FID_GOLDFONT_FNT,
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FID_INTRO_FNT,
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FID_NUM
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};
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Screen(KyraEngine_v1 *vm, OSystem *system);
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virtual ~Screen();
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// init
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virtual bool init();
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virtual void setResolution();
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void updateScreen();
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// debug functions
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bool queryScreenDebug() const { return _debugEnabled; }
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bool enableScreenDebug(bool enable);
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// page cur. functions
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int setCurPage(int pageNum);
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void copyFromCurPageBlock(int x, int y, int w, int h, const uint8 *src);
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void copyCurPageBlock(int x, int y, int w, int h, uint8 *dst);
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void clearCurPage();
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// page 0 functions
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void copyToPage0(int y, int h, uint8 page, uint8 *seqBuf);
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void shakeScreen(int times);
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// page functions
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void copyRegion(int x1, int y1, int x2, int y2, int w, int h, int srcPage, int dstPage, int flags=0);
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void copyPage(uint8 srcPage, uint8 dstPage);
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void copyRegionToBuffer(int pageNum, int x, int y, int w, int h, uint8 *dest);
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void copyBlockToPage(int pageNum, int x, int y, int w, int h, const uint8 *src);
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void shuffleScreen(int sx, int sy, int w, int h, int srcPage, int dstPage, int ticks, bool transparent);
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void fillRect(int x1, int y1, int x2, int y2, uint8 color, int pageNum = -1, bool xored = false);
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void clearPage(int pageNum);
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uint8 getPagePixel(int pageNum, int x, int y);
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void setPagePixel(int pageNum, int x, int y, uint8 color);
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const uint8 *getCPagePtr(int pageNum) const;
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uint8 *getPageRect(int pageNum, int x, int y, int w, int h);
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// palette handling
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void fadeFromBlack(int delay=0x54, const UpdateFunctor *upFunc = 0);
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void fadeToBlack(int delay=0x54, const UpdateFunctor *upFunc = 0);
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void fadePalette(const uint8 *palData, int delay, const UpdateFunctor *upFunc = 0);
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virtual void getFadeParams(const uint8 *palette, int delay, int &delayInc, int &diff);
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int fadePalStep(const uint8 *palette, int diff);
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void setPaletteIndex(uint8 index, uint8 red, uint8 green, uint8 blue);
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void setScreenPalette(const uint8 *palData);
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const uint8 *getScreenPalette() const { return _screenPalette; }
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void getRealPalette(int num, uint8 *dst);
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uint8 *getPalette(int num);
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// gui specific (processing on _curPage)
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void drawLine(bool vertical, int x, int y, int length, int color);
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void drawClippedLine(int x1, int y1, int x2, int y2, int color);
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void drawShadedBox(int x1, int y1, int x2, int y2, int color1, int color2);
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void drawBox(int x1, int y1, int x2, int y2, int color);
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// font/text handling
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bool loadFont(FontId fontId, const char *filename);
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FontId setFont(FontId fontId);
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int getFontHeight() const;
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int getFontWidth() const;
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int getCharWidth(uint16 c) const;
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int getTextWidth(const char *str) const;
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void printText(const char *str, int x, int y, uint8 color1, uint8 color2);
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virtual void setTextColorMap(const uint8 *cmap) = 0;
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void setTextColor(const uint8 *cmap, int a, int b);
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virtual void setScreenDim(int dim) = 0;
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virtual const ScreenDim *getScreenDim(int dim) = 0;
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const ScreenDim *_curDim;
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// shape handling
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uint8 *encodeShape(int x, int y, int w, int h, int flags);
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int setNewShapeHeight(uint8 *shape, int height);
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int resetShapeHeight(uint8 *shape);
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void drawShape(uint8 pageNum, const uint8 *shapeData, int x, int y, int sd, int flags, ...);
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// mouse handling
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void hideMouse();
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void showMouse();
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bool isMouseVisible() const;
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void setMouseCursor(int x, int y, const byte *shape);
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// rect handling
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virtual int getRectSize(int w, int h) = 0;
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void rectClip(int &x, int &y, int w, int h);
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// misc
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void loadBitmap(const char *filename, int tempPage, int dstPage, uint8 *palData, bool skip=false);
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bool loadPalette(const char *filename, uint8 *palData);
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void loadPalette(const byte *data, uint8 *palData, int bytes);
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void setAnimBlockPtr(int size);
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void setShapePages(int page1, int page2, int minY = -1, int maxY = 201);
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virtual byte getShapeFlag1(int x, int y);
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virtual byte getShapeFlag2(int x, int y);
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virtual int getDrawLayer(int x, int y);
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virtual int getDrawLayer2(int x, int y, int height);
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void blockInRegion(int x, int y, int width, int height);
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void blockOutRegion(int x, int y, int width, int height);
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int _charWidth;
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int _charOffset;
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int _curPage;
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uint8 *_currentPalette;
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uint8 *_shapePages[2];
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int _maskMinY, _maskMaxY;
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FontId _currentFont;
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bool _disableScreen;
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// decoding functions
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static void decodeFrame3(const uint8 *src, uint8 *dst, uint32 size);
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static uint decodeFrame4(const uint8 *src, uint8 *dst, uint32 dstSize);
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static void decodeFrameDelta(uint8 *dst, const uint8 *src, bool noXor = false);
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static void decodeFrameDeltaPage(uint8 *dst, const uint8 *src, const int pitch, bool noXor);
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static void convertAmigaGfx(uint8 *data, int w, int h, bool offscreen = true);
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static void convertAmigaMsc(uint8 *data);
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protected:
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uint8 *getPagePtr(int pageNum);
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void updateDirtyRects();
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void updateDirtyRectsOvl();
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void scale2x(byte *dst, int dstPitch, const byte *src, int srcPitch, int w, int h);
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void mergeOverlay(int x, int y, int w, int h);
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// overlay specific
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byte *getOverlayPtr(int pageNum);
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void clearOverlayPage(int pageNum);
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void clearOverlayRect(int pageNum, int x, int y, int w, int h);
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void copyOverlayRegion(int x, int y, int x2, int y2, int w, int h, int srcPage, int dstPage);
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// font/text specific
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void drawCharANSI(uint8 c, int x, int y);
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void drawCharSJIS(uint16 c, int x, int y);
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enum {
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SJIS_CHARSIZE = 18,
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SJIS_CHARS = 8192
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};
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int16 encodeShapeAndCalculateSize(uint8 *from, uint8 *to, int size);
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void restoreMouseRect();
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void copyMouseToScreen();
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void copyScreenFromRect(int x, int y, int w, int h, const uint8 *ptr);
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void copyScreenToRect(int x, int y, int w, int h, uint8 *ptr);
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template<bool noXor> static void wrapped_decodeFrameDelta(uint8 *dst, const uint8 *src);
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template<bool noXor> static void wrapped_decodeFrameDeltaPage(uint8 *dst, const uint8 *src, const int pitch);
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uint8 *_pagePtrs[16];
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uint8 *_sjisOverlayPtrs[SCREEN_OVLS_NUM];
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bool _useOverlays;
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bool _useSJIS;
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uint8 *_sjisFontData;
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uint8 *_sjisTempPage;
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uint8 *_sjisTempPage2;
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uint8 *_sjisSourceChar;
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uint8 _sjisInvisibleColor;
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uint8 *_screenPalette;
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uint8 *_palettes[6];
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Font _fonts[FID_NUM];
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uint8 _textColorsMap[16];
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uint8 *_decodeShapeBuffer;
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int _decodeShapeBufferSize;
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uint8 *_animBlockPtr;
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int _animBlockSize;
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int _mouseLockCount;
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enum {
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kMaxDirtyRects = 50
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};
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bool _forceFullUpdate;
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int _numDirtyRects;
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Rect *_dirtyRects;
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void addDirtyRect(int x, int y, int w, int h);
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OSystem *_system;
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KyraEngine_v1 *_vm;
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// shape
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int drawShapeMarginNoScaleUpwind(uint8 *&dst, const uint8 *&src, int &cnt);
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int drawShapeMarginNoScaleDownwind(uint8 *&dst, const uint8 *&src, int &cnt);
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int drawShapeMarginScaleUpwind(uint8 *&dst, const uint8 *&src, int &cnt);
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int drawShapeMarginScaleDownwind(uint8 *&dst, const uint8 *&src, int &cnt);
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int drawShapeSkipScaleUpwind(uint8 *&dst, const uint8 *&src, int &cnt);
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int drawShapeSkipScaleDownwind(uint8 *&dst, const uint8 *&src, int &cnt);
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void drawShapeProcessLineNoScaleUpwind(uint8 *&dst, const uint8 *&src, int &cnt, int scaleState);
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void drawShapeProcessLineNoScaleDownwind(uint8 *&dst, const uint8 *&src, int &cnt, int scaleState);
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void drawShapeProcessLineScaleUpwind(uint8 *&dst, const uint8 *&src, int &cnt, int scaleState);
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void drawShapeProcessLineScaleDownwind(uint8 *&dst, const uint8 *&src, int &cnt, int scaleState);
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void drawShapePlotType0(uint8 *dst, uint8 cmd);
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void drawShapePlotType1(uint8 *dst, uint8 cmd);
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void drawShapePlotType3_7(uint8 *dst, uint8 cmd);
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void drawShapePlotType4(uint8 *dst, uint8 cmd);
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void drawShapePlotType5(uint8 *dst, uint8 cmd);
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void drawShapePlotType6(uint8 *dst, uint8 cmd);
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void drawShapePlotType8(uint8 *dst, uint8 cmd);
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void drawShapePlotType9(uint8 *dst, uint8 cmd);
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void drawShapePlotType11_15(uint8 *dst, uint8 cmd);
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void drawShapePlotType12(uint8 *dst, uint8 cmd);
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void drawShapePlotType13(uint8 *dst, uint8 cmd);
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void drawShapePlotType14(uint8 *dst, uint8 cmd);
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typedef int (Screen::*DsMarginSkipFunc)(uint8 *&dst, const uint8 *&src, int &cnt);
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typedef void (Screen::*DsLineFunc)(uint8 *&dst, const uint8 *&src, int &cnt, int scaleState);
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typedef void (Screen::*DsPlotFunc)(uint8 *dst, uint8 cmd);
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DsMarginSkipFunc _dsProcessMargin;
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DsMarginSkipFunc _dsScaleSkip;
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DsLineFunc _dsProcessLine;
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DsPlotFunc _dsPlot;
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const uint8 *_dsTable;
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int _dsTableLoopCount;
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const uint8 *_dsTable2;
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int _dsDrawLayer;
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uint8 *_dsDstPage;
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int _dsTmpWidth;
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int _dsOffscreenLeft;
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int _dsOffscreenRight;
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int _dsScaleW;
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int _dsScaleH;
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int _dsOffscreenScaleVal1;
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int _dsOffscreenScaleVal2;
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int _drawShapeVar1;
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int _drawShapeVar3;
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int _drawShapeVar4;
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int _drawShapeVar5;
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// debug
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bool _debugEnabled;
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};
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} // End of namespace Kyra
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#endif
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