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Syntax of setfillpattern

#include <graphics.h>
void setfillpattern(char *upattern, int color);

Description of setfillpattern

setfillpattern is like setfillstyle, except that you use it to set a
user-defined 8x8 pattern rather than a predefined pattern.
upattern is a pointer to a sequence of 8 bytes, with each byte
corresponding to 8 pixels in the pattern. Whenever a bit in a pattern
byte is set to 1, the corresponding pixel is plotted.

Example of setfillpattern

/* setfillpattern example */
#include <graphics.h>
#include <stdlib.h>
#include <stdio.h>
#include <conio.h>
int main(void)
   /* request autodetection */
   int gdriver = DETECT, gmode, errorcode;
   int maxx, maxy;
   /* a user-defined fill pattern */
   char pattern[8] = {0x00, 0x70, 0x20, 0x27, 0x24, 0x24, 0x07, 0x00};
   /* initialize graphics and local variables */
   initgraph(&gdriver, &gmode, "");
   /* read result of initialization */
   errorcode = graphresult();
   if (errorcode != grOk)    /* an error occurred */
printf("Graphics error: %s\n", grapherrormsg(errorcode));
printf("Press any key to halt:");
exit(1);   /* terminate with an error code */
   maxx = getmaxx();
   maxy = getmaxy();
   /* select a user-defined fill pattern */
   setfillpattern(pattern, getmaxcolor());
   /* fill the screen with the pattern */
   bar(0, 0, maxx, maxy);
   /* clean up */
   return 0;

See also

output of setfillpattern example

  no output of example at the moment
  do not hesitate and add it...  
c/graphics.h/setfillpattern.txt · Last modified: 2015/05/06 23:06 (external edit)