HPAVC/HPAVC CD-ROM.iso/pc/MCASM.RAR/MC_ASM.EXE/WROX_ASM/CH12/COMMON/GRAPH.H

C/C++ Source or Header | 1994-09-21 | 4.0 KB | 185 lines

// Structures and function declarations for dealing with graphics
// Written by Yuri Kiselev, CZ 1994.

#ifndef GRAPH_H
#define GRAPH_H

#include "common.h"

#define MAXLENGTHROW  2048
#define MAXCOUNTROW 1024

typedef struct {
    BYTE r,g,b;
    } colortype;
typedef colortype VGApalette[256];

typedef struct {
    BYTE b,g,r;
    } BGRcolortype;
typedef BGRcolortype BGRpalette[256];

typedef BYTE rowtype[MAXLENGTHROW-1];
typedef rowtype *rowptr;
typedef rowptr imagetype[MAXCOUNTROW-1];
typedef imagetype *imageptr;

typedef struct {
    BYTE mode;
    char name[20];
    } modename;

typedef struct {
    BYTE numberofmodes;
    modename modes[20];
    } modelisttype;

//coordinates of a point.
typedef struct { int  x,y; } pointtype;

//viewport settings
typedef struct {
  int  left,top,right,bottom;
} viewporttype;

//line settings
typedef struct {
   WORD linestyle;
   WORD pattern;
   BYTE width;
} linesettingstype;

// Line Styles
enum line_styles {
    SOLID_LINE,
    DOTTED_LINE,
    CENTER_LINE,
    DASHED_LINE,
    USERBIT_LINE   // User defined line style
};

// Line widths
enum line_widths {
    NORM_WIDTH = 1,
    DOUBLE_WIDTH = 2,
    THICK_WIDTH = 3,
};

//Pascal's Fill Pattern Constants

//Fill patterns
enum fill_patterns {
    EMPTY_FILL,     // transparent
    SOLID_FILL,     // fills area in solid fill color
    LINE_FILL,      // --- fill
    LTSLASH_FILL,   // /// fill
    SLASH_FILL,     // /// fill with thick lines
    BKSLASH_FILL,   // \\\ fill with thick lines
    LTBKSLASH_FILL, // \\\ fill
    HATCH_FILL,     // light hatch fill
    XHATCH_FILL,    // heavy cross hatch fill
    INTERLEAVE_FILL,// interleaving line fill
    WIDE_DOT_FILL,  // Widely spaced dot fill
    CLOSE_DOT_FILL, // Closely spaced dot fill
    USER_FILL       // user defined fill
};

#if !defined(__COLORS)
#define __COLORS

enum coloros {
    BLACK,          // dark colors
    BLUE,
    GREEN,
    CYAN,
    RED,
    MAGENTA,
    BROWN,
    LIGHTGRAY,
    DARKGRAY,           // light colors
    LIGHTBLUE,
    LIGHTGREEN,
    LIGHTCYAN,
    LIGHTRED,
    LIGHTMAGENTA,
    YELLOW,
    WHITE
};
#endif

// Supported video modes
// 16 colors(up to 800x600) - egavga16.asm
// VGA 256 colors(320x200) - vga256.asm
// SVGA 256 colors - svga256.asm
// and so on.
enum video_modes {
// EGA & VGA standart(with 256k)
    EGA16,
    VGA16,
    VGA256,
// SVGA 256k
    SVGA800x600x16,
    SVGA640x400x256,
// SVGA 512k
    SVGA640x480x256,
    SVGA800x600x256,
    SVGA1024x768x16,
// SVGA 1m
    SVGA1024x768x256,
    SVGA1280x1024x16,
// SVGA 2m
    SVGA1280x1024x256,
    modecounter
};

//
enum put_method {
    NORMAL_PUT,
    XOR_PUT,
    AND_PUT,
    OR_PUT
};

extern modelisttype modelist;
extern BOOL drawpoly_in_fillpoly;
// functions
int graphinit(void);
int switchmode(int mode);    // swithes the video modes
void closegraph(void);
void setviewport(int x1,int y1,int x2,int y2);
void putpixel(int x,int y,BYTE color);
BYTE getpixel(int x,int y);
extern void (*line)(int x1,int y1,int x2,int y2);
void getimage(int x1,int y1,int x2,int y2,void* buffer);
void putimage(int xo,int yo,void* buffer);
long imagesize(int x1,int Y1,int x2,int y2);
void rectangle(int x1,int y1,int x2,int y2);
void linerel(int dx,int dy);
void lineto(int x,int y);
void moveto(int x,int y);
void moverel(int dx,int dy);
int getmaxx(void);
int getmaxy(void);
void setcolor(BYTE color);
BYTE getcolor(void);
void setbkcolor(BYTE Color);
void setlinestyle(WORD linestyle,WORD pattern,BYTE wline);
void setfillstyle(BYTE pattern,BYTE color);
void setfillpattern(BYTE* pattern);
void setwritemode(BYTE wrmode);
void setglassflag(BYTE glflag);

void bar(int x,int y,int x1,int y1);
extern "C" void drawpoly(WORD numpoints,void* polypoints);
extern "C" int fillpoly(WORD numpoints,void* polypoints);

void putrow(rowptr row,int x,int y,int xcount);

void ellipse(int xo,int yo,WORD xradius,WORD yradius);
void circle(int x,int y,WORD radius);

extern "C" void setDACblock(BYTE first,WORD Count,void *far Pal);
extern "C" void getDACblock(BYTE first,WORD Count,void *far Pal);
extern "C" void setVGApalette(void *far Pal);

#endif