Lines Matching refs:sRGB

727 approximation to the IEC standard for display systems (sRGB).  If images are
756 an sRGB conformant system.  The values are scaled by 100000 in the _fixed
757 version of the API (so 220000 for sRGB.)
773 The following numbers are derived from the sRGB standard and the research
774 behind it.  sRGB is defined to be approximated by a PNG gAMA chunk value of
781 sRGB provides a peg for the PNG standard by defining a viewing environment.
782 sRGB itself, and earlier TV standards, actually use a more complex transform
785 an sRGB conformant system should be stored with a gAMA chunk value of 45455
790 The Mac value is deduced from the sRGB based on an assumption that the actual
807 otherwise sRGB system.
986 that the output is for a sRGB system and causes all PNG files without gAMA
987 chunks to be assumed to be encoded using sRGB.
991 In this case the output is assumed to be something like an sRGB conformant
1008 are assumed to have the sRGB encoding if not marked with a gamma value and
1336 The colorspace data from gAMA, cHRM, sRGB, iCCP, and sBIT chunks
1340 since libpng-1.6.0, when converting between 8-bit sRGB and 16-bit linear pixels
1392                      The presence of the sRGB chunk
1394                      sRGB color space.  This chunk also
1926 defaults correspond to the ITU-R recommendation 709, and also the sRGB color
2999                      the sRGB chunk means that the pixel
3000                      data is in the sRGB color space.
3019                      sRGB chunk means that the pixel
3020                      data is in the sRGB color space.
3023                      that are consistent with sRGB to be
3803 luminance channels the value is encoded according to the sRGB specification
3813 the sRGB specification.  This encoding is identified by the
3816 When the simplified API needs to convert between sRGB and linear colorspaces,
3817 the actual sRGB transfer curve defined in the sRGB specification (see the
3871 First the single byte (sRGB) formats:
4001     correspond to the red, green and blue end-points defined by sRGB.
4015     or sRGB chunk assume that the components are sRGB encoded.  Notice that
4020     linear and sRGB encoding.  This flag has no effect on write - the data
4068       buffer.  The value is an sRGB color to use for the
4080 When the simplified API needs to convert between sRGB and linear colorspaces,
4081 the actual sRGB transfer curve defined in the sRGB specification (see the
4097       where the RGB values do not correspond to the colors in sRGB.
4121 a (png_byte) PNG gamma encoded according to the sRGB specification, otherwise
5069 the very old broken Microsoft/HP 3144-byte sRGB profile.  Starting with
5070 libpng-1.6.11, recognizing and checking sRGB profiles can be avoided by
5080 which needs to be able to recognize sRGB profiles conveyed via the iCCP
5086 enforced.  The sRGB chunk is allowed to appear in images with any color type