diff options
| -rwxr-xr-x | src/__main__.py | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/src/__main__.py b/src/__main__.py index 7b763f0..965dc55 100755 --- a/src/__main__.py +++ b/src/__main__.py @@ -19,19 +19,26 @@ import math from colour import * +# /usr/share/blueshift DATADIR = '.' +# Mapping input and output maximum values + 1 i_size = 2 ** 8 o_size = 2 ** 16 + +# Red, green and blue curves r_curve = [i / (i_size - 1) for i in range(i_size)] g_curve = [i / (i_size - 1) for i in range(i_size)] b_curve = [i / (i_size - 1) for i in range(i_size)] -clip_result = True -cmf_2deg_cache = None -cmf_10deg_cache = None +clip_result = True +''' +Set to `False` if you want to allow value overflow rather than clipping, +doing so can create visual artifacts +''' + def curves(r, g, b): ''' Generate a tuple of curve–parameter pairs @@ -39,7 +46,7 @@ def curves(r, g, b): @param r The red parameter @param g The green parameter @param b The blue parameter - @return ((r_curve, r), (g_curve, g), (b_curve, b)) + @return `((r_curve, r), (g_curve, g), (b_curve, b))` ''' return ((r_curve, r), (g_curve, g), (b_curve, b)) @@ -81,6 +88,7 @@ def simple_whitepoint(temperature): b = 0.543206789 * math.log(temp - 10) - 1.196254089 return (r, g, b) +cmf_2deg_cache = None def cmf_2deg(temperature): ''' Calculate the colour for a blackbody temperature using raw CIE 1931 2 degree CMF data with interpolation @@ -106,6 +114,7 @@ def cmf_2deg(temperature): y = y1 * temp + y2 * (1 - temp) return ciexy_to_srgb(x, y, 1.0) +cmf_10deg_cache = None def cmf_10deg(temperature): ''' Calculate the colour for a blackbody temperature using raw CIE 1964 10 degree CMF data with interpolation |