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Reworked color functions

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This commit is contained in:
Oliver Duis
2012-07-10 07:37:45 +02:00
parent 6b842fd408
commit 8ae269ab79
14 changed files with 420 additions and 793 deletions
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21
rtengine/improcfun.h
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@@ -187,27 +187,6 @@ namespace rtengine {
void getAutoExp (LUTu & histogram, int histcompr, double defgain, double clip, double& expcomp, int& bright, int& contr, int& black, int& hlcompr, int& hlcomprthresh);
static double getAutoDistor (const Glib::ustring& fname, int thumb_size);
double getTransformAutoFill (int oW, int oH, const LCPMapper *pLCPMap=NULL);
static void rgb2hsv (float r, float g, float b, float &h, float &s, float &v);
static void hsv2rgb (float h, float s, float v, float &r, float &g, float &b);
static void hsv2rgb01 (float h, float s, float v, float &r, float &g, float &b);
void xyz2srgb (float x, float y, float z, float &r, float &g, float &b);
void xyz2rgb (float x, float y, float z, float &r, float &g, float &b, double rgb_xyz[3][3]);
void Lab2XYZ(float L, float a, float b, float &x, float &y, float &z);
void XYZ2Lab(float X, float Y, float Z, float &L, float &a, float &b);
void Lab2Yuv(float L, float a, float b, float &Y, float &u, float &v);
void Yuv2Lab(float Y, float u, float v, float &L, float &a, float &b, double wp[3][3]);
void calcGamma (double pwr, double ts, int mode, int imax, double &gamma0, double &gamma1, double &gamma2, double &gamma3, double &gamma4,double &gamma5);
//void gamutmap(LabImage* );
void gamutmap(float &X, float &Y, float &Z, const double p[3][3]);
static inline float f2xyz(float f) {
const float epsilonExpInv3 = 6.0/29.0;
const float kappaInv = 27.0/24389.0; // inverse of kappa
return (f > epsilonExpInv3) ? f*f*f : (116 * f - 16) * kappaInv;
}
};
}
#endif