dlls/winedos/vga.h

   1 /*
   2  * VGA emulation
   3  *
   4  * Copyright 1998 Ove Kåven
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #ifndef __WINE_VGA_H
  22 #define __WINE_VGA_H
  23
  24 #include <stdarg.h>
  25
  26 #include "windef.h"
  27 #include "winbase.h"
  28 #include "wingdi.h"
  29
  30 /*
  31  * VGA VESA definitions
  32  */
  33 /* mode descriptor */
  34 enum modetype {TEXT=0, GRAPHIC=1};
  35 /* Wine internal information about video modes */
  36 typedef struct {
  37     WORD Mode;
  38     BOOL ModeType;
  39     WORD TextCols;  /* columns of text in display */
  40     WORD TextRows;  /* rows of text in display */
  41     WORD CharWidth;
  42     WORD CharHeight;
  43     WORD Width;  /* width of display in pixels */
  44     WORD Height; /* height of display in pixels */
  45     WORD Depth;  /* bits per pixel */
  46     WORD Colors; /* total available colors */
  47     WORD ScreenPages;
  48     BOOL Supported;
  49 } VGA_MODE;
  50
  51 extern const VGA_MODE VGA_modelist[];
  52
  53 /* all vga modes */
  54 const VGA_MODE *VGA_GetModeInfo(WORD mode);
  55 int VGA_SetMode(WORD mode);
  56
  57 /* graphics mode */
  58 int VGA_SetGraphicMode(WORD mode);
  59 int VGA_GetMode(unsigned*Height,unsigned*Width,unsigned*Depth);
  60 void VGA_SetPalette(PALETTEENTRY*pal,int start,int len);
  61 void VGA_SetColor16(int reg,int color);
  62 char VGA_GetColor16(int reg);
  63 void VGA_Set16Palette(char *Table);
  64 void VGA_Get16Palette(char *Table);
  65 void VGA_SetWindowStart(int start);
  66 int  VGA_GetWindowStart(void);
  67 void VGA_ShowMouse(BOOL show);
  68 void VGA_UpdatePalette(void);
  69 void VGA_SetPaletteIndex(unsigned index);
  70 void VGA_SetBright(BOOL bright);
  71 void VGA_WritePixel(unsigned color, unsigned page, unsigned col, unsigned row);
  72
  73 /* text mode */
  74 void VGA_InitAlphaMode(unsigned*Xres,unsigned*Yres);
  75 void VGA_SetAlphaMode(unsigned Xres,unsigned Yres);
  76 BOOL VGA_GetAlphaMode(unsigned*Xres,unsigned*Yres);
  77 void VGA_SetCursorShape(unsigned char start_options,unsigned char end);
  78 void VGA_SetCursorPos(unsigned X,unsigned Y);
  79 void VGA_GetCursorPos(unsigned*X,unsigned*Y);
  80 void VGA_WriteChars(unsigned X,unsigned Y,unsigned ch,int attr,int count);
  81 void VGA_PutChar(BYTE ascii);
  82 void VGA_ClearText(unsigned row1, unsigned col1,
  83                   unsigned row2, unsigned col2,
  84                   BYTE attr);
  85 void VGA_ScrollUpText(unsigned row1, unsigned col1,
  86                      unsigned row2, unsigned col2,
  87                      unsigned lines, BYTE attr);
  88 void VGA_ScrollDownText(unsigned row1, unsigned col1,
  89                        unsigned row2, unsigned col2,
  90                        unsigned lines, BYTE attr);
  91 void VGA_GetCharacterAtCursor(BYTE *ascii, BYTE *attr);
  92
  93 /* control */
  94 void VGA_ioport_out(WORD port, BYTE val);
  95 BYTE VGA_ioport_in(WORD port);
  96 void VGA_Clean(void);
  97
  98 #endif /* __WINE_VGA_H */