Init from working directory of svn repository.
#ifndef _BITMAP_H
#define _BITMAP_H
#include "system.h"
/** A BitMap representation stores image in an array of unsigned character
arrays. There is one uchar array per row. Each bit of the uchar
represents a pixel.
***/
class RLEMap;
class Point;
class BitMap;
extern void byteprint(char d);
extern void bitprint(char d, int x);
class BitMap{
public:
friend MapStatus convertMap(RLEMap *,BitMap*,Point,Point);
BitMap();
~BitMap();
int & imageLength()
{return fImageLength;};
int & imageWidth()
{return fImageWidth;};
MapStatus & status()
{return fStatus; };
uchar * row(int i); // returns a pointer to row i
// I/O operations. readMap and writeMap are from/to 2 level TIFF files
MapStatus readMap(char * filename);
MapStatus writeMap(char * filename); // not done
// Write out BitMap format for TCL/TK display
MapStatus writeTclMap(char * filename, Point & ul, Point & lr, int scaledown);
// Detect skew Angle
Angle skewAngle();
//Rotate the map designated angle.
MapStatus rotateMap(Angle angl);
// Return a ratio of black pixels to white pixels
// scaled to 255 0 = all white 255=all black
short int grayScale(Point & ul, Point & lr);
// number of black pixels in bounding box
int BitMap::pixelsInRegion(Point ul, Point lr);
private:
int fImageWidth;
int fImageLength;
MapStatus fStatus;
uchar ** fMapData;
} ;
#endif