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-rw-r--r--Build/source/libs/libpng/libpng-1.6.1/contrib/tools/sRGB.h48
1 files changed, 0 insertions, 48 deletions
diff --git a/Build/source/libs/libpng/libpng-1.6.1/contrib/tools/sRGB.h b/Build/source/libs/libpng/libpng-1.6.1/contrib/tools/sRGB.h
deleted file mode 100644
index 22c8f7c0e3d..00000000000
--- a/Build/source/libs/libpng/libpng-1.6.1/contrib/tools/sRGB.h
+++ /dev/null
@@ -1,48 +0,0 @@
-/*-
- * sRGB.h
- *
- * Last changed in libpng 1.6.0 [February 14, 2013]
- *
- * COPYRIGHT: Written by John Cunningham Bowler, 2013.
- * To the extent possible under law, the author has waived all copyright and
- * related or neighboring rights to this work. This work is published from:
- * United States.
- *
- * Utility file; not actually a header, this contains definitions of sRGB
- * calculation functions for inclusion in those test programs that need them.
- *
- * All routines take and return a floating point value in the range
- * 0 to 1.0, doing a calculation according to the sRGB specification
- * (in fact the source of the numbers is the wikipedia article at
- * http://en.wikipedia.org/wiki/SRGB).
- */
-static double
-sRGB_from_linear(double l)
-{
- if (l <= 0.0031308)
- l *= 12.92;
-
- else
- l = 1.055 * pow(l, 1/2.4) - 0.055;
-
- return l;
-}
-
-static double
-linear_from_sRGB(double s)
-{
- if (s <= 0.04045)
- return s / 12.92;
-
- else
- return pow((s+0.055)/1.055, 2.4);
-}
-
-static double
-YfromRGB(double r, double g, double b)
-{
- /* Use the sRGB (rounded) coefficients for Rlinear, Glinear, Blinear to get
- * the CIE Y value (also linear).
- */
- return 0.2126 * r + 0.7152 * g + 0.0722 * b;
-}