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/* 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.
*
*/
/*
* This code is based on Labyrinth of Time code with assistance of
*
* Copyright (c) 1993 Terra Nova Development
* Copyright (c) 2004 The Wyrmkeep Entertainment Co.
*
*/
#include "lab/stddefines.h"
#ifndef LAB_VGA_H
#define LAB_VGA_H
namespace Lab {
struct Image {
uint16 Width;
uint16 Height;
byte *ImageData;
};
void setPage(uint16 PageNum);
void VGAStorePage();
void VGARestorePage();
bool createScreen(bool HiRes);
void waitTOF();
void quickWaitTOF();
byte *getVGABaseAddr();
void ungetVGABaseAddr();
void writeColorReg(byte *buf, uint16 regnum);
void writeColorRegs(byte *buf, uint16 first, uint16 numreg);
void writeColorRegsSmooth(byte *buf, uint16 first, uint16 numreg);
void VGASetPal(void *cmap, uint16 numcolors);
/*---------- Drawing Routines ----------*/
void drawImage(Image *Im, uint16 x, uint16 y);
void drawMaskImage(Image *Im, uint16 x, uint16 y);
void readScreenImage(Image *Im, uint16 x, uint16 y);
void bltBitMap(Image *ImSource, uint16 xs, uint16 ys, Image *ImDest, uint16 xd, uint16 yd, uint16 width, uint16 height);
void scrollDisplayX(int16 dx, uint16 x1, uint16 y1, uint16 x2, uint16 y2);
void scrollDisplayY(int16 dy, uint16 x1, uint16 y1, uint16 x2, uint16 y2);
void setAPen(uint16 pennum);
void drawHLine(uint16 x, uint16 y1, uint16 y2);
void drawVLine(uint16 x1, uint16 y, uint16 x2);
void rectFill(uint16 x1, uint16 y1, uint16 x2, uint16 y2);
void ghoastRect(uint16 pencolor, uint16 x1, uint16 y1, uint16 x2, uint16 y2);
void WSDL_UpdateScreen();
void WSDL_IgnoreUpdateDisplay(int state);
void WSDL_GetMousePos(int *x, int *y);
uint16 WSDL_GetNextChar();
bool WSDL_HasNextChar();
void WSDL_ProcessInput(bool can_delay);
} // End of namespace Lab
#endif /* LAB_VGA_H */
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