195   image->columns=0;  in ReadHDRImage()
204   while (isgraph(c) && (image->columns == 0) && (image->rows == 0))  in ReadHDRImage()
360                       image->columns=(size_t) width;  in ReadHDRImage()
377     if ((image->columns == 0) && (image->rows == 0))  in ReadHDRImage()
384   if ((image->columns == 0) || (image->rows == 0))  in ReadHDRImage()
389   image->compression=(image->columns < 8) || (image->columns > 0x7ffff) ?  in ReadHDRImage()
396   status=SetImageExtent(image,image->columns,image->rows,exception);  in ReadHDRImage()
402   pixels=(unsigned char *) AcquireQuantumMemory(image->columns,4*  in ReadHDRImage()
406   (void) memset(pixels,0,4*image->columns*sizeof(*pixels));  in ReadHDRImage()
411         count=ReadBlob(image,4*image->columns*sizeof(*pixels),pixels);  in ReadHDRImage()
412         if (count != (ssize_t) (4*image->columns*sizeof(*pixels)))  in ReadHDRImage()
420         if ((size_t) ((((size_t) pixel[2]) << 8) | pixel[3]) != image->columns)  in ReadHDRImage()
423             count=ReadBlob(image,4*(image->columns-1)*sizeof(*pixels),pixels+4);  in ReadHDRImage()
431               end=&pixels[(i+1)*image->columns];  in ReadHDRImage()
463     q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);  in ReadHDRImage()
467     for (x=0; x < (ssize_t) image->columns; x++)  in ReadHDRImage()
472           pixel[1]=pixels[x+image->columns];  in ReadHDRImage()
473           pixel[2]=pixels[x+2*image->columns];  in ReadHDRImage()
474           pixel[3]=pixels[x+3*image->columns];  in ReadHDRImage()
613   for (p=0; p < image->columns; )  in HDRWriteRunlengthPixels()
618     while ((runlength < MinimumRunlength) && (q < image->columns))  in HDRWriteRunlengthPixels()
624              ((q+runlength) < image->columns) && (runlength < 127))  in HDRWriteRunlengthPixels()
742     (double) image->rows,(double) image->columns);  in WriteHDRImage()
747   pixels=(unsigned char *) AcquireQuantumMemory(image->columns+128,4*  in WriteHDRImage()
751   (void) memset(pixels,0,4*(image->columns+128)*sizeof(*pixels));  in WriteHDRImage()
754     p=GetVirtualPixels(image,0,y,image->columns,1,exception);  in WriteHDRImage()
757     if ((image->columns >= 8) && (image->columns <= 0x7ffff))  in WriteHDRImage()
761         pixel[2]=(unsigned char) (image->columns >> 8);  in WriteHDRImage()
762         pixel[3]=(unsigned char) (image->columns & 0xff);  in WriteHDRImage()
768     for (x=0; x < (ssize_t) image->columns; x++)  in WriteHDRImage()
793       if ((image->columns >= 8) && (image->columns <= 0x7ffff))  in WriteHDRImage()
796           pixels[x+image->columns]=pixel[1];  in WriteHDRImage()
797           pixels[x+2*image->columns]=pixel[2];  in WriteHDRImage()
798           pixels[x+3*image->columns]=pixel[3];  in WriteHDRImage()
809     if ((image->columns >= 8) && (image->columns <= 0x7ffff))  in WriteHDRImage()
812           length=HDRWriteRunlengthPixels(image,&pixels[i*image->columns]);  in WriteHDRImage()
816         count=WriteBlob(image,4*image->columns*sizeof(*pixels),pixels);  in WriteHDRImage()
817         if (count != (ssize_t) (4*image->columns*sizeof(*pixels)))  in WriteHDRImage()