Category : Files from Magazines
Archive   : WDAUG92.ZIP
Filename : 3N08041A

/* EGATOOLS for Programmer's Journal On Graphics: Icon Editor */
/* ICONEDIT.h C Header file for EGATOOL3.OBJ graphics library */

/* An Icon data type can be thought of as 160 bytes, or this broken */
/* down definition. By breaking it down the Icon Editor can more */
/* easily flip bits. */

typedef struct { /* Definition of 8 Pixels in 16 colors */
unsigned char MaskByte; /* using masking. */
unsigned char Plane[4];
} ColorByte;

typedef struct { /* Two bytes per scan line of the Icon */
ColorByte Pos[2];
} ColorLine;

typedef ColorLine Icon[16]; /* 16 lines, 2 bytes wide forms an icon */

typedef struct {
char NumIcons; /* Number of Icons in the Icon File */
Icon Data[50]; /* Icon data */
} IconFile;


/***********************************************************************/
/* Video_Mode uses the standard interrupt service routine to set the */
/* video mode desired */
/***********************************************************************/
extern void near Video_Mode (int Mode) ;

/***********************************************************************/
/* Set a pixel at coordinate x,y in color Color */
/***********************************************************************/
extern void near Set_Pixel (int x, int y, int Color);


/***********************************************************************/
/* Display an icon at location x,y from system RAM into video RAM */
/* using write mode 0. */
/***********************************************************************/
extern void near Display_Icon (int x, int y,void far *Data);


/***********************************************************************/
/* Copy and icon from one location in video RAM to another location in */
/* video RAM using write mode 1. */
/***********************************************************************/
extern void near Copy_Icon (int OrigX, int OrigY, int X, int Y);