diff options
Diffstat (limited to 'src/curve.py')
| -rw-r--r-- | src/curve.py | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/src/curve.py b/src/curve.py index c559e73..905b7dc 100644 --- a/src/curve.py +++ b/src/curve.py @@ -461,7 +461,7 @@ def manipulate(r, g = None, b = None): curve[i] = f(curve[i]) -# TODO document this elsewhere, and make it possible to have non-round x_colours +# TODO document this elsewhere def lower_resolution(x_colours = None, y_colours = None): ''' Emulates low colour resolution @@ -471,14 +471,14 @@ def lower_resolution(x_colours = None, y_colours = None): ''' if x_colours is None: x_colours = i_size if y_colours is None: y_colours = o_size - x_r = i_size / x_colours - y_r = o_size / y_colours - for curve in (r_curve, g_curve, b_curve): + x_, y_, i_ = x_colours - 1, y_colours - 1, i_size - 1 + for i_curve, o_curve in curves([0] * i_size, [0] * i_size, [0] * i_size): for i in range(i_size): - x = int(x_r * int(i / x_r)) - y = curve[x] * 2 ** 16 - y = int(y_r * int(y / y_r)) - curve[i] = y / 2 ** 16 + x = int(i * x_colours / i_size) + x = int(x * i_ / x_) + y = int(i_curve[x] * y_ + 0.5) + o_curve[i] = y / y_ + i_curve[:] = o_curve def start_over(): |