/******************************************************************* * * gmain.h graphics utility main interface 1.1 * * This file defines a common interface, implemented in the body * file 'gmain.c'. It relies on system dependent driver files, * like 'gfs_os.c', whose interface is described in 'gdriver.h'. * * Copyright 1996-1999 by * David Turner, Robert Wilhelm, and Werner Lemberg. * * This file is part of the FreeType project, and may only be used * modified and distributed under the terms of the FreeType project * license, LICENSE.TXT. By continuing to use, modify or distribute * this file you indicate that you have read the license and * understand and accept it fully. * ******************************************************************/ #ifndef GMAIN_H #define GMAIN_H #ifdef __cplusplus extern "C" { #endif /* Graphics mode definitions */ #define Graphics_Mode_Mono 1 /* monochrome graphics mode */ #define Graphics_Mode_Gray 2 /* 8-bit palette graphics mode */ extern char* Vio; /* Pointer to VRAM or display buffer */ extern int vio_ScanLineWidth; /* Scan Line width in bytes */ extern int vio_Width; extern int vio_Height; extern unsigned char gray_palette[5]; /* standard gray_palette */ /* set a graphics mode, chosen from the FS_Graphics_xxx list */ int SetGraphScreen( int mode ); /* restore previous (or text) video mode */ int RestoreScreen( void ); /* display a bitmap of 'line' lines, and 'col' columns (each */ /* column made of 8 bits) */ void Display_Bitmap_On_Screen( char* buffer, int line, int col ); void Goto_XY( int x, int y ); extern int gcursor_x; extern int gcursor_y; extern int gwindow_width; extern int gwindow_height; void Print_Str( char* string ); void Print_XY ( int x, int y, char* string ); #ifdef __cplusplus } #endif #endif /* GMAIN_H */ /* End */