67 void BuildHistogram(FILE* fin, int** histo) {  in BuildHistogram()  argument
77       histo[i][j] = 0;  in BuildHistogram()
113           histo[x][y] += copy;  in BuildHistogram()
116           histo[x][y] += pos2 - pos;  in BuildHistogram()
118             histo[x][i] += max_pos / width;  // Sometimes 1 more, but who cares.  in BuildHistogram()
123             histo[x][right] += pos + copy - 1 - pos2 + 1;  in BuildHistogram()
127         histo[x][y]++;  in BuildHistogram()
133 void ConvertToPixels(int** histo, uint8_t** pixel) {  in ConvertToPixels()  argument
140       if (maxs < histo[i][j]) maxs = histo[i][j];  in ConvertToPixels()
149         pixel[i][j] = histo[i][j] > 0 ? 0 : 255;  in ConvertToPixels()
152             255 - DensityTransform(histo[i][j] / max_histo * 255));  in ConvertToPixels()
183     int** histo = new int*[height];  in main()  local
186       histo[i] = new int[width];  in main()
189     BuildHistogram(fin, histo);  in main()
191     ConvertToPixels(histo, pixel);  in main()