3945 static unsigned unfilterScanline(unsigned char* recon, const unsigned char* scanline, const unsigne…  in unfilterScanline()  argument
3961       for(i = 0; i != length; ++i) recon[i] = scanline[i];  in unfilterScanline()
3964       for(i = 0; i != bytewidth; ++i) recon[i] = scanline[i];  in unfilterScanline()
3965       for(i = bytewidth; i < length; ++i) recon[i] = scanline[i] + recon[i - bytewidth];  in unfilterScanline()
3970         for(i = 0; i != length; ++i) recon[i] = scanline[i] + precon[i];  in unfilterScanline()
3974         for(i = 0; i != length; ++i) recon[i] = scanline[i];  in unfilterScanline()
3980         for(i = 0; i != bytewidth; ++i) recon[i] = scanline[i] + (precon[i] >> 1);  in unfilterScanline()
3981 …for(i = bytewidth; i < length; ++i) recon[i] = scanline[i] + ((recon[i - bytewidth] + precon[i]) >…  in unfilterScanline()
3985         for(i = 0; i != bytewidth; ++i) recon[i] = scanline[i];  in unfilterScanline()
3986         for(i = bytewidth; i < length; ++i) recon[i] = scanline[i] + (recon[i - bytewidth] >> 1);  in unfilterScanline()
3994 …      recon[i] = (scanline[i] + precon[i]); /*paethPredictor(0, precon[i], 0) is always precon[i]*/  in unfilterScanline()
3998 … recon[i] = (scanline[i] + paethPredictor(recon[i - bytewidth], precon[i], precon[i - bytewidth]));  in unfilterScanline()
4005           recon[i] = scanline[i];  in unfilterScanline()
4010           recon[i] = (scanline[i] + recon[i - bytewidth]);  in unfilterScanline()
5120 static void filterScanline(unsigned char* out, const unsigned char* scanline, const unsigned char* …  in filterScanline()  argument
5127       for(i = 0; i != length; ++i) out[i] = scanline[i];  in filterScanline()
5130       for(i = 0; i != bytewidth; ++i) out[i] = scanline[i];  in filterScanline()
5131       for(i = bytewidth; i < length; ++i) out[i] = scanline[i] - scanline[i - bytewidth];  in filterScanline()
5136         for(i = 0; i != length; ++i) out[i] = scanline[i] - prevline[i];  in filterScanline()
5140         for(i = 0; i != length; ++i) out[i] = scanline[i];  in filterScanline()
5146         for(i = 0; i != bytewidth; ++i) out[i] = scanline[i] - (prevline[i] >> 1);  in filterScanline()
5147 …for(i = bytewidth; i < length; ++i) out[i] = scanline[i] - ((scanline[i - bytewidth] + prevline[i]…  in filterScanline()
5151         for(i = 0; i != bytewidth; ++i) out[i] = scanline[i];  in filterScanline()
5152         for(i = bytewidth; i < length; ++i) out[i] = scanline[i] - (scanline[i - bytewidth] >> 1);  in filterScanline()
5159         for(i = 0; i != bytewidth; ++i) out[i] = (scanline[i] - prevline[i]);  in filterScanline()
5162 …out[i] = (scanline[i] - paethPredictor(scanline[i - bytewidth], prevline[i], prevline[i - bytewidt…  in filterScanline()
5167         for(i = 0; i != bytewidth; ++i) out[i] = scanline[i];  in filterScanline()
5169         for(i = bytewidth; i < length; ++i) out[i] = (scanline[i] - scanline[i - bytewidth]);  in filterScanline()