freetype1/test/gmain.h

   1 /*******************************************************************
   2  *
   3  *  gmain.h   graphics utility main interface                   1.1
   4  *
   5  *  This file defines a common interface, implemented in the body
   6  *  file 'gmain.c'.  It relies on system dependent driver files,
   7  *  like 'gfs_os.c', whose interface is described in 'gdriver.h'.
   8  *
   9  *  Copyright 1996-1999 by
  10  *  David Turner, Robert Wilhelm, and Werner Lemberg.
  11  *
  12  *  This file is part of the FreeType project, and may only be used
  13  *  modified and distributed under the terms of the FreeType project
  14  *  license, LICENSE.TXT.  By continuing to use, modify or distribute
  15  *  this file you indicate that you have read the license and
  16  *  understand and accept it fully.
  17  *
  18  ******************************************************************/
  19
  20 #ifndef GMAIN_H
  21 #define GMAIN_H
  22
  23 #ifdef __cplusplus
  24 extern "C" {
  25 #endif
  26
  27 /* Graphics mode definitions */
  28
  29 #define Graphics_Mode_Mono  1    /* monochrome graphics mode    */
  30 #define Graphics_Mode_Gray  2    /* 8-bit palette graphics mode */
  31
  32   extern char*  Vio;       /* Pointer to VRAM or display buffer */
  33
  34   extern int    vio_ScanLineWidth;  /* Scan Line width in bytes */
  35
  36   extern int    vio_Width;
  37   extern int    vio_Height;
  38
  39   extern unsigned char  gray_palette[5];    /* standard gray_palette */
  40
  41
  42   /* set a graphics mode, chosen from the FS_Graphics_xxx list */
  43   int  SetGraphScreen( int  mode );
  44
  45   /* restore previous (or text) video mode */
  46   int   RestoreScreen( void );
  47
  48   /* display a bitmap of 'line' lines, and 'col' columns (each */
  49   /* column made of 8 bits)                                    */
  50   void  Display_Bitmap_On_Screen( char*  buffer, int  line, int  col );
  51
  52   void  Goto_XY( int  x, int  y );
  53
  54
  55   extern int  gcursor_x;
  56   extern int  gcursor_y;
  57
  58   extern int  gwindow_width;
  59   extern int  gwindow_height;
  60
  61   void  Print_Str( char*  string );
  62   void  Print_XY ( int  x, int  y, char*  string );
  63
  64 #ifdef __cplusplus
  65 }
  66 #endif
  67
  68 #endif /* GMAIN_H */
  69
  70
  71 /* End */