67 PIX     *pixhm;    /* halftone mask;  */  in pixGetRegionsBinary()  local
110     pixhm = pixExpandReplicate(pixhm2, 2);  in pixGetRegionsBinary()
111     pixt1 = pixSeedfillBinary(NULL, pixhm, pixs, 8);  in pixGetRegionsBinary()
112     pixOr(pixhm, pixhm, pixt1);  in pixGetRegionsBinary()
114     pixDisplayWrite(pixhm, debug);  in pixGetRegionsBinary()
133         pixt2 = pixSubtract(NULL, pixt1, pixhm);  /* remove halftone pixels */  in pixGetRegionsBinary()
173         bahm = pixConnComp(pixhm, NULL, 4);  in pixGetRegionsBinary()
185         *ppixhm = pixhm;  in pixGetRegionsBinary()
187         pixDestroy(&pixhm);  in pixGetRegionsBinary()
220 PIX     *pixt1, *pixt2, *pixhs, *pixhm, *pixd;  in pixGenHalftoneMask()  local
239     pixhm = pixCloseSafeBrick(NULL, pixs, 4, 4);  in pixGenHalftoneMask()
240     pixDisplayWrite(pixhm, debug);  in pixGenHalftoneMask()
243     pixd = pixSeedfillBinary(NULL, pixhs, pixhm, 4);  in pixGenHalftoneMask()
269     pixDestroy(&pixhm);  in pixGenHalftoneMask()