Lines Matching refs:tRNS

602                  PLTE, tRNS, IDAT, and IEND chunks are
1220 4) The transparent color information from a tRNS chunk.  This can be modified by
1680 as the image data in a tRNS chunk, so this is what libpng expects for this data.
1703 transparency information in a tRNS chunk.  This is most useful on
1722 added.  It expands the sample depth without changing tRNS to alpha.
1763 the tRNS chunk is present, A means an alpha channel is present, and O
1764 means tRNS or alpha is present but all pixels in the image are opaque.
1787      "." means nothing is necessary (a tRNS chunk can just be ignored).
1815 alpha channel (or the tRNS chunk data) after it's read, so that 0 is
1975 appropriately and the tRNS chunk removed.)  However, if you are doing this,
3387 other transformations because in the case of paletted images the tRNS
3388 chunk data has to be inverted before the tRNS chunk is written.  If
3389 your image is not a paletted image, the tRNS data (which in such cases
3700 structure and continue to use the PLTE, tRNS, and hIST data in the write
4580 tRNS chunk to alpha. The png_set_gray_1_2_4_to_8() function is
4643 which also expands tRNS to alpha was replaced with
4708 expanded any tRNS chunk to an alpha channel.