/*  * $Id: gui.h,v 1.0 2001/02/12 19:03:26 till Exp $ * * basic gui header file * * Copyright (C) 2001  Chen Yang <chyang@hhcn.org> * * 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. * */#ifndef GUI_H#define GUI_Htypedef unsigned int UINT;typedef struct{     unsigned char id[2];     long filesize;     short reserved[2];     long headsize;     long infosize;     long width;     long height;     short bits;     short planes;     long biCompression;     long sizeimage;     long biXpp;     long biYpp;     long biclrused;     //long biclrimportant;}BMPHEAD;typedef enum {  MODE_SRC,  MODE_NOT_SRC,  MODE_SRC_OR_DST,  MODE_SRC_AND_DST,  MODE_SRC_XOR_DST,  MODE_SRC_OR_NOT_DST,  MODE_SRC_AND_NOT_DST,  MODE_SRC_XOR_NOT_DST,  MODE_NOT_SRC_OR_DST,  MODE_NOT_SRC_AND_DST,  MODE_NOT_SRC_XOR_DST,  MODE_NOT_SRC_OR_NOT_DST,  MODE_NOT_SRC_AND_NOT_DST,  MODE_NOT_SRC_XOR_NOT_DST,  InvalidMode} CopyMode;typedef enum {  BlackPattern = 0,  WhitePattern,  DarkGreyPattern,  LightGreyPattern,  MicroPengPattern,  InvalidPattern} PatternIndex;extern unsigned char *screen_ptr;extern short initgraph(void);extern void closegraph(void);extern void clearscreen(void);extern void setpixel(short x,short y,short color);extern short getpixel(short x,short y);extern void setmode(CopyMode mode);extern CopyMode getmode(void); extern void setcolor(short color);extern UINT getcolor(void);extern void setfillpattern(PatternIndex index);extern PatternIndex getfillpattern(void);extern void bar(short x1,short y1,short x2,short y2);extern void ellipse(short x1,short y1,short x2,short y2);extern void line(short x1, short y1, short x2,short y2);extern void lineto(short x1, short y1);extern void moveto(short x,short y);extern void rectangle(short x1,short y1,short x2,short y2);extern void textout(short x,short y,unsigned char *s);extern void V_scroll_screen(short height); //Vertical Scroll ^ extern void H_scroll_screen(short width);  //Horizonal Scroll:<-->#endif