193     *histogram;  in WriteHISTOGRAMImage()  local
243   histogram=(PixelInfo *) AcquireQuantumMemory(length,sizeof(*histogram));  in WriteHISTOGRAMImage()
244   if (histogram == (PixelInfo *) NULL)  in WriteHISTOGRAMImage()
252   (void) memset(histogram,0,length*sizeof(*histogram));  in WriteHISTOGRAMImage()
261         histogram[ScaleQuantumToChar(GetPixelRed(image,p))].red++;  in WriteHISTOGRAMImage()
263         histogram[ScaleQuantumToChar(GetPixelGreen(image,p))].green++;  in WriteHISTOGRAMImage()
265         histogram[ScaleQuantumToChar(GetPixelBlue(image,p))].blue++;  in WriteHISTOGRAMImage()
269   maximum=histogram[0].red;  in WriteHISTOGRAMImage()
273         (maximum < histogram[x].red))  in WriteHISTOGRAMImage()
274       maximum=histogram[x].red;  in WriteHISTOGRAMImage()
276         (maximum < histogram[x].green))  in WriteHISTOGRAMImage()
277       maximum=histogram[x].green;  in WriteHISTOGRAMImage()
279         (maximum < histogram[x].blue))  in WriteHISTOGRAMImage()
280       maximum=histogram[x].blue;  in WriteHISTOGRAMImage()
299           histogram[x].red-0.5));  in WriteHISTOGRAMImage()
310           histogram[x].green-0.5));  in WriteHISTOGRAMImage()
321           histogram[x].blue-0.5));  in WriteHISTOGRAMImage()
336   histogram=(PixelInfo *) RelinquishMagickMemory(histogram);  in WriteHISTOGRAMImage()