X-lanni
20 lines
468 B
C++
20 lines
468 B
C++
#include <fstream>
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#include <iostream>
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#include <sstream>
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#include <unistd.h>
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using namespace std;
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ostream& printpgm(ostream& os, int xsize, int ysize, const double * const * matrix){
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if (!os)
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return os;
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os<< "P5" << endl << xsize << endl << ysize << endl << 255 << endl;
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for (int y=ysize-1; y>=0; y--){
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for (int x=0;x<xsize; x++){
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unsigned char c=(unsigned char)(255*fabs(1.-matrix[x][y]));
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os.put(c);
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}
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}
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return os;
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}
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