Lines Matching full:mask
1248 /* For non-indexed color, mask off any bits in the tRNS value that
2272 of interlaced images, depending on the mask value.
2273 The mask value describes which pixels are to be combined with
2278 you want all pixels to be combined, pass 0xff (255) in mask. */
2307 of interlaced images, depending on the mask value.
2308 The mask value describes which pixels are to be combined with
2313 If you want all pixels to be combined, pass 0xff (255) in mask. */
2319 png_combine_row(png_structp png_ptr, png_bytep row, int mask)
2330 if (mask == 0xff)
2332 png_debug(2,"mask == 0xff: doing single png_memcpy()\n");
2336 else /* (png_combine_row() is never called with mask == 0) */
2500 if (m & mask)
2558 if (m & mask)
2612 if (m & mask)
2769 } /* end if (non-trivial mask) */
3320 png_combine_row(png_structp png_ptr, png_bytep row, int mask)
3323 if (mask == 0xff)
3361 if (m & mask)
3416 if (m & mask)
3467 if (m & mask)
3501 if (m & mask)
