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Creation of the ICCProfileCreator

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This commit is contained in:
Hombre
2018-06-25 00:43:11 +02:00
parent e2dc8ea2c3
commit fb0c95969b
35 changed files with 1330 additions and 1799 deletions
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8
rtengine/curves.h
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@@ -267,19 +267,19 @@ public:
// standard srgb gamma and its inverse
static inline double gamma2 (double x)
{
return x <= 0.00304 ? x * 12.92 : 1.055 * exp(log(x) / sRGBGammaCurve) - 0.055;
return x <= 0.00304 ? x * 12.92310 : 1.055 * exp(log(x) / sRGBGammaCurve) - 0.055;
}
static inline double igamma2 (double x)
{
return x <= 0.03928 ? x / 12.92 : exp(log((x + 0.055) / 1.055) * sRGBGammaCurve);
return x <= 0.03928 ? x / 12.92310 : exp(log((x + 0.055) / 1.055) * sRGBGammaCurve);
}
static inline float gamma2 (float x)
{
return x <= 0.00304 ? x * 12.92 : 1.055 * expf(logf(x) / sRGBGammaCurve) - 0.055;
return x <= 0.00304 ? x * 12.92310 : 1.055 * expf(logf(x) / sRGBGammaCurve) - 0.055;
}
static inline float igamma2 (float x)
{
return x <= 0.03928 ? x / 12.92 : expf(logf((x + 0.055) / 1.055) * sRGBGammaCurve);
return x <= 0.03928 ? x / 12.92310 : expf(logf((x + 0.055) / 1.055) * sRGBGammaCurve);
}
// gamma function with adjustable parameters
static inline double gamma (double x, double gamma, double start, double slope, double mul, double add)