Lines Matching refs:sRGB
723 approximation to the IEC standard for display systems (sRGB). If images are
752 an sRGB conformant system. The values are scaled by 100000 in the _fixed
753 version of the API (so 220000 for sRGB.)
769 The following numbers are derived from the sRGB standard and the research
770 behind it. sRGB is defined to be approximated by a PNG gAMA chunk value of
777 sRGB provides a peg for the PNG standard by defining a viewing environment.
778 sRGB itself, and earlier TV standards, actually use a more complex transform
781 an sRGB conformant system should be stored with a gAMA chunk value of 45455
786 The Mac value is deduced from the sRGB based on an assumption that the actual
803 otherwise sRGB system.
982 that the output is for a sRGB system and causes all PNG files without gAMA
983 chunks to be assumed to be encoded using sRGB.
987 In this case the output is assumed to be something like an sRGB conformant
1004 are assumed to have the sRGB encoding if not marked with a gamma value and
1332 The colorspace data from gAMA, cHRM, sRGB, iCCP, and sBIT chunks
1336 since libpng-1.6.0, when converting between 8-bit sRGB and 16-bit linear pixels
1388 The presence of the sRGB chunk
1390 sRGB color space. This chunk also
1920 defaults correspond to the ITU-R recommendation 709, and also the sRGB color
2992 the sRGB chunk means that the pixel
2993 data is in the sRGB color space.
3012 sRGB chunk means that the pixel
3013 data is in the sRGB color space.
3016 that are consistent with sRGB to be
3790 luminance channels the value is encoded according to the sRGB specification
3799 the sRGB specification. This encoding is identified by the
3964 correspond to the red, green and blue end-points defined by sRGB.
4009 buffer. The value is an sRGB color to use for the
4021 When the simplified API needs to convert between sRGB and linear colorspaces,
4022 the actual sRGB transfer curve defined in the sRGB specification (see the
4038 where the RGB values do not correspond to the colors in sRGB.
4055 a (png_byte) PNG gamma encoded according to the sRGB specification, otherwise
5200 very old broken Microsoft/HP 3144-byte sRGB profile. The PNG spec requirement
5203 in images with color type 2, 3, or 6, is now enforced. The sRGB chunk