?? roberts.cpp
字號:
#define EXTRA_NAME "@robertsedge."
#include "loadbmp.h"
#define Point(x,y) lpPoints[(x)+(y)*nWidth]
#define Point1(x,y) lpPoints1[(x)+(y)*nWidth]
void Roberts()
{
int x,y;
BYTE *lpPoints=new BYTE[nWidth*nHeight];
BYTE *lpPoints1=new BYTE[nWidth*nHeight];
memset(lpPoints1,0,nWidth*nHeight);
GetPoints(lpPoints);
int d;
for(y=0;y<nHeight-1;y++)
{
for(x=0;x<nWidth-1;x++)
{
d=2*(abs(Point(x,y)-Point(x+1,y+1))+abs(Point(x+1,y)-Point(x,y+1)));
if (d>255) d=255;
Point1(x,y)=(BYTE)d;
}
}
PutPoints(lpPoints1);
delete lpPoints;
delete lpPoints1;
}
void main(int argc, char *argv[])
{
if(argc==2)
FileName=argv[1];
else
return;
OpenFile();
Roberts();
SaveAs();
}
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