bitmap.h

source code to compute the visibility polygon of a point in a polygon.

/* Brian O'Connor
 * bitmap.h
 * macros that facilitate treating a 32-bit int as a 32-bit bitmap.
 */

#ifndef BITMAP_H
#define BITMAP_H

typedef int Bitmap;
#define BITMAP_SIZE (sizeof(int) * 8)

int TestBit(Bitmap b, int i);
void SetBit(Bitmap b, int i);
void ClearBit(Bitmap b, int i);
int MapIsClear(Bitmap b);
void PrintBitmap(Bitmap b);
Bitmap ZeroBitmap(void);

#endif