3 #include "testing/testing.h"
7 TEST(math_color, RGBToHSVRoundtrip)
9 float orig_rgb[3] = {0.1f, 0.2f, 0.3f};
13 EXPECT_V3_NEAR(orig_rgb,
rgb, 1
e-5);
16 TEST(math_color, RGBToHSLRoundtrip)
18 float orig_rgb[3] = {0.1f, 0.2f, 0.3f};
22 EXPECT_V3_NEAR(orig_rgb,
rgb, 1
e-5);
25 TEST(math_color, RGBToYUVRoundtrip)
27 float orig_rgb[3] = {0.1f, 0.2f, 0.3f};
31 EXPECT_V3_NEAR(orig_rgb,
rgb, 1
e-4);
34 TEST(math_color, RGBToYCCRoundtrip)
36 float orig_rgb[3] = {0.1f, 0.2f, 0.3f};
41 EXPECT_V3_NEAR(orig_rgb,
rgb, 1
e-3);
45 EXPECT_V3_NEAR(orig_rgb,
rgb, 1
e-3);
49 EXPECT_V3_NEAR(orig_rgb,
rgb, 1
e-3);
52 TEST(math_color, LinearRGBTosRGBNearZero)
54 float linear_color = 0.002f;
56 EXPECT_NEAR(0.02584f, srgb_color, 1
e-5);
59 TEST(math_color, LinearRGBTosRGB)
61 float linear_color = 0.75f;
63 EXPECT_NEAR(0.880824f, srgb_color, 1
e-5);
66 TEST(math_color, LinearRGBTosRGBRoundtrip)
70 for (i = 0; i <
N; ++i) {
71 float orig_linear_color = (
float)i /
N;
74 EXPECT_NEAR(orig_linear_color, linear_color, 1
e-5);
82 const float kTolerance = 1.0e-8f;
83 const float linear_color[3] = {0.0023f, 0.0024f, 0.0025f};
85 EXPECT_NEAR(0.029716f, srgb_color[0], kTolerance);
86 EXPECT_NEAR(0.031008f, srgb_color[1], kTolerance);
87 EXPECT_NEAR(0.032300f, srgb_color[2], kTolerance);
93 const float kTolerance = 3.6e-5f;
94 const float linear_color[3] = {0.71f, 0.75f, 0.78f};
96 EXPECT_NEAR(0.859696f, srgb_color[0], kTolerance);
97 EXPECT_NEAR(0.880825f, srgb_color[1], kTolerance);
98 EXPECT_NEAR(0.896244f, srgb_color[2], kTolerance);
103 const float kTolerance = 2.3e-4f;
104 const float linear_color[3] = {1.5f, 2.8f, 5.6f};
106 EXPECT_NEAR(1.19418f, srgb_color[0], kTolerance);
107 EXPECT_NEAR(1.56520f, srgb_color[1], kTolerance);
108 EXPECT_NEAR(2.10771f, srgb_color[2], kTolerance);
114 float linear_color[3];
116 const float kTolerance = 1.0e-8f;
117 const float srgb_color[3] = {0.0023f, 0.0024f, 0.0025f};
119 EXPECT_NEAR(0.000178019f, linear_color[0], kTolerance);
120 EXPECT_NEAR(0.000185759f, linear_color[1], kTolerance);
121 EXPECT_NEAR(0.000193498f, linear_color[2], kTolerance);
127 const float kTolerance = 1.5e-7f;
128 const float srgb_color[3] = {0.71f, 0.72f, 0.73f};
130 EXPECT_NEAR(0.4623615f, linear_color[0], kTolerance);
131 EXPECT_NEAR(0.4770000f, linear_color[1], kTolerance);
132 EXPECT_NEAR(0.4919052f, linear_color[2], kTolerance);
137 const float kTolerance = 7.7e-6f;
138 const float srgb_color[3] = {1.1f, 2.5f, 5.6f};
140 EXPECT_NEAR(1.24277f, linear_color[0], kTolerance);
141 EXPECT_NEAR(8.35473f, linear_color[1], kTolerance);
142 EXPECT_NEAR(56.23833f, linear_color[2], kTolerance);
typedef float(TangentPoint)[2]
void hsv_to_rgb_v(const float hsv[3], float r_rgb[3])
void rgb_to_hsv_v(const float rgb[3], float r_hsv[3])
MINLINE void srgb_to_linearrgb_v3_v3(float linear[3], const float srgb[3])
#define BLI_YUV_ITU_BT709
#define BLI_YCC_JFIF_0_255
void hsl_to_rgb_v(const float hsl[3], float r_rgb[3])
void ycc_to_rgb(float y, float cb, float cr, float *r_r, float *r_g, float *r_b, int colorspace)
#define BLI_YCC_ITU_BT601
void rgb_to_ycc(float r, float g, float b, float *r_y, float *r_cb, float *r_cr, int colorspace)
void rgb_to_yuv(float r, float g, float b, float *r_y, float *r_u, float *r_v, int colorspace)
float srgb_to_linearrgb(float c)
MINLINE void linearrgb_to_srgb_v3_v3(float srgb[3], const float linear[3])
float linearrgb_to_srgb(float c)
void yuv_to_rgb(float y, float u, float v, float *r_r, float *r_g, float *r_b, int colorspace)
void rgb_to_hsl_v(const float rgb[3], float r_hsl[3])
#define BLI_YCC_ITU_BT709
TEST(math_color, RGBToHSVRoundtrip)
ATTR_WARN_UNUSED_RESULT const BMVert const BMEdge * e
static const pxr::TfToken rgb("rgb", pxr::TfToken::Immortal)