Lines Matching defs:xhalf
795 int xhalf = xquarter*2;
797 int blockpix = xhalf*yhalf;
798 int xblocks = (params->pixels_per_line-xhalf)/xhalf;
804 DBG (10, "sanei_magic_isBlank2: start %d %d %f %d\n",xhalf,yhalf,thresh,blockpix);
822 + (xquarter + xb*xhalf) * Bpp;
828 for(x=0; x<xhalf*Bpp; x++){
832 blocksum += (double)rowsum/(xhalf*Bpp)/255;
856 + (xquarter + xb*xhalf) / 8;
862 for(x=0; x<xhalf; x++){
866 blocksum += (double)rowsum/xhalf;