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Diffstat (limited to '')
| -rw-r--r-- | src/curve.py | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/curve.py b/src/curve.py index cc3de36..f88dc87 100644 --- a/src/curve.py +++ b/src/curve.py @@ -281,6 +281,25 @@ def sigmoid(r, g, b): curve[i] = 0; +def manipulate(r, g = None, b = None): + ''' + Manipulate the colour curves using a lambda function + + @param r:(float)→float Lambda function to manipulate the red colour curve + @param g:(float)?→float Lambda function to manipulate the green colour curve, defaults to `r` if `None` + @param b:(float)?→float Lambda function to manipulate the blue colour curve, defaults to `r` if `None` + + The lambda functions thats a colour value and maps it to a new colour value. + For example, if the red value 0.5 is already mapped to 0.25, then if the function + maps 0.25 to 0.5, the red value 0.5 will revert back to being mapped to 0.5. + ''' + if g is None: g = r + if b is None: b = r + for (curve, f) in curves(r, g, b): + for i in range(i_size): + curve[i] = f(curve[i]) + + def clip(): ''' Clip all values below the actual minimum and above actual maximums |