diff options
Diffstat (limited to 'src/colorramp.c')
| -rw-r--r-- | src/colorramp.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/src/colorramp.c b/src/colorramp.c index a154a9e..ed399f8 100644 --- a/src/colorramp.c +++ b/src/colorramp.c @@ -128,9 +128,9 @@ interpolate_color(float a, const float *c1, const float *c2, float *c) void colorramp_fill(uint16_t *gamma_r, uint16_t *gamma_g, uint16_t *gamma_b, - int size, int temp, float gamma[3]) + int size, int temp, float brightness, float gamma[3]) { - /* Calculate white point */ + /* Approximate white point */ float white_point[3]; float alpha = (temp % 100) / 100.0; int temp_index = ((temp - 1000) / 100)*3; @@ -139,10 +139,10 @@ colorramp_fill(uint16_t *gamma_r, uint16_t *gamma_g, uint16_t *gamma_b, for (int i = 0; i < size; i++) { gamma_r[i] = pow((float)i/size, 1.0/gamma[0]) * - UINT16_MAX * white_point[0]; + UINT16_MAX * brightness * white_point[0]; gamma_g[i] = pow((float)i/size, 1.0/gamma[1]) * - UINT16_MAX * white_point[1]; + UINT16_MAX * brightness * white_point[1]; gamma_b[i] = pow((float)i/size, 1.0/gamma[2]) * - UINT16_MAX * white_point[2]; + UINT16_MAX * brightness * white_point[2]; } } |