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https://github.com/libretro/scummvm.git
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131 lines
4.3 KiB
C++
131 lines
4.3 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 SCI_GRAPHICS_SCREEN_H
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#define SCI_GRAPHICS_SCREEN_H
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#include "sci/sci.h"
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#include "sci/graphics/helpers.h"
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namespace Sci {
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#define SCI_SCREEN_MAXHEIGHT 400
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#define SCI_SCREEN_MASK_VISUAL 1
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#define SCI_SCREEN_MASK_PRIORITY 2
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#define SCI_SCREEN_MASK_CONTROL 4
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#define SCI_SCREEN_MASK_DISPLAY 8 // not official sierra sci
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#define SCI_SCREEN_MASK_ALL SCI_SCREEN_MASK_VISUAL|SCI_SCREEN_MASK_PRIORITY|SCI_SCREEN_MASK_CONTROL
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#define SCI_SCREEN_UNDITHERMEMORIAL_SIZE 256
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class Screen {
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public:
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Screen(ResourceManager *resMan, int16 width = 320, int16 height = 200, bool upscaledHires = false);
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~Screen();
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void copyToScreen();
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void copyFromScreen(byte *buffer);
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void copyRectToScreen(const Common::Rect &rect);
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void copyRectToScreen(const Common::Rect &rect, int16 x, int16 y);
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byte getDrawingMask(byte color, byte prio, byte control);
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void putPixel(int x, int y, byte drawMask, byte color, byte prio, byte control);
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void putPixelOnDisplay(int x, int y, byte color);
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void drawLine(Common::Point startPoint, Common::Point endPoint, byte color, byte prio, byte control);
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void drawLine(int16 left, int16 top, int16 right, int16 bottom, byte color, byte prio, byte control) {
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drawLine(Common::Point(left, top), Common::Point(right, bottom), color, prio, control);
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}
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bool getUpscaledHires() {
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return _upscaledHires;
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}
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byte getVisual(int x, int y);
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byte getPriority(int x, int y);
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byte getControl(int x, int y);
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byte isFillMatch(int16 x, int16 y, byte drawMask, byte t_color, byte t_pri, byte t_con);
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int bitsGetDataSize(Common::Rect rect, byte mask);
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void bitsSave(Common::Rect rect, byte mask, byte *memoryPtr);
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void bitsGetRect(byte *memoryPtr, Common::Rect *destRect);
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void bitsRestore(byte *memoryPtr);
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void setPalette(Palette*pal);
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void setVerticalShakePos(uint16 shakePos);
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void scale2x(byte *src, byte *dst, int16 srcWidth, int16 srcHeight);
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void dither(bool addToFlag);
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void unditherSetState(bool flag);
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int16 *unditherGetMemorial();
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void debugShowMap(int mapNo);
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uint16 _width;
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uint16 _height;
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uint _pixels;
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uint16 _displayWidth;
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uint16 _displayHeight;
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uint _displayPixels;
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int _picNotValid; // possible values 0, 1 and 2
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int _picNotValidSci11; // another variable that is used by kPicNotValid in sci1.1
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byte _colorWhite;
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byte _colorDefaultVectorData;
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private:
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void bitsRestoreScreen(Common::Rect rect, byte *&memoryPtr, byte *screen);
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void bitsRestoreDisplayScreen(Common::Rect rect, byte *&memoryPtr);
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void bitsSaveScreen(Common::Rect rect, byte *screen, byte *&memoryPtr);
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void bitsSaveDisplayScreen(Common::Rect rect, byte *&memoryPtr);
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bool _unditherState;
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int16 _unditherMemorial[SCI_SCREEN_UNDITHERMEMORIAL_SIZE];
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public: // HACK. TODO: make private
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// these screens have the real resolution of the game engine (320x200 for SCI0/SCI1/SCI11 games, 640x480 for SCI2 games)
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// SCI0 games will be dithered in here at any time
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byte *_visualScreen;
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byte *_priorityScreen;
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byte *_controlScreen;
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// this screen is the one that is actually displayed to the user. It may be 640x480 for japanese SCI1 games
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// SCI0 games may be undithered in here. Only read from this buffer for Save/ShowBits usage.
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byte *_displayScreen;
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private:
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Common::Rect getScaledRect(Common::Rect rect);
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ResourceManager *_resMan;
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// this is a pointer to the currently active screen (changing it only required for debug purposes)
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byte *_activeScreen;
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bool _upscaledHires;
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};
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} // End of namespace Sci
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#endif
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