33 static inline void PetscHlsToRgb(double h, double l, double s, double *r, double *g, double *b)  in PetscHlsToRgb()  argument
40     *b        = PetscHlsHelper(m1, m2, h - 1 / 3.);  in PetscHlsToRgb()
43     *r = *g = *b = l;  in PetscHlsToRgb()
47 static inline void PetscGammaCorrect(double *r, double *g, double *b)  in PetscGammaCorrect()  argument
52   *b               = (double)PetscPowReal((PetscReal)*b, igamma);  in PetscGammaCorrect()
62     double hue = maxhue * (double)i / (mapsize - 1), r, g, b;  in PetscDrawCmap_Hue()  local
63     PetscHlsToRgb(hue, lightness, saturation, &r, &g, &b);  in PetscDrawCmap_Hue()
64     PetscGammaCorrect(&r, &g, &b);  in PetscDrawCmap_Hue()
67     B[i] = (unsigned char)(255 * PetscMin(b, 1.0));  in PetscDrawCmap_Hue()
87     double m, r = 0, g = 0, b = 0;  in PetscDrawCmap_Jet()  local
95       b = (m + 1) / 2;  in PetscDrawCmap_Jet()
100       b = 1;  in PetscDrawCmap_Jet()
105       b = 1 - m;  in PetscDrawCmap_Jet()
110       b = 0;  in PetscDrawCmap_Jet()
115       b = 0;  in PetscDrawCmap_Jet()
120     B[i] = (unsigned char)(255 * PetscMin(b, 1.0));  in PetscDrawCmap_Jet()
133     double m, r = 0, g = 0, b = 0;  in PetscDrawCmap_Hot()  local
141       b = 0;  in PetscDrawCmap_Hot()
146       b = 0;  in PetscDrawCmap_Hot()
151       b = m;  in PetscDrawCmap_Hot()
156     B[i] = (unsigned char)(255 * PetscMin(b, 1.0));  in PetscDrawCmap_Hot()
169     double b = (7 * u + R[i] / 255.0) / 8;  in PetscDrawCmap_Bone()  local
172     B[i]     = (unsigned char)(255 * PetscMin(b, 1.0));  in PetscDrawCmap_Bone()
258       PetscReal b = PetscPowReal((PetscReal)B[i] / 255, gamma);  in PetscDrawUtilitySetCmap()  local
261       B[i]        = (unsigned char)(255 * PetscMin(b, (PetscReal)1.0));  in PetscDrawUtilitySetCmap()