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anntzeranntzer
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Remove use of colorConverter.
Except in Qt options editor, which is under a separate PR. This also makes it possible to call plt.plot([1, 2, 3], "#ff000040") (setting alpha at the same time).
1 parent 2fe2c26 commit 5a4432c

26 files changed

Lines changed: 102 additions & 160 deletions

‎examples/api/collections_demo.py‎

Lines changed: 2 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -17,8 +17,7 @@
1717
'''
1818

1919
import matplotlib.pyplot as plt
20-
from matplotlib import collections, transforms
21-
from matplotlib.colors import colorConverter
20+
from matplotlib import collections, colors, transforms
2221
import numpy as np
2322

2423
nverts = 50
@@ -38,7 +37,7 @@
3837
xyo = list(zip(xo, yo))
3938

4039
# Make a list of colors cycling through the default series.
41-
colors = [colorConverter.to_rgba(c)
40+
colors = [colors.to_rgba(c)
4241
for c in plt.rcParams['axes.prop_cycle'].by_key()['color']]
4342

4443
fig, axes = plt.subplots(2, 2)

‎examples/event_handling/lasso_demo.py‎

Lines changed: 3 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -7,18 +7,17 @@
77
usable as is). There will be some refinement of the API.
88
"""
99
from matplotlib.widgets import Lasso
10-
from matplotlib.colors import colorConverter
1110
from matplotlib.collections import RegularPolyCollection
12-
from matplotlib import path
11+
from matplotlib import colors as mcolors, path
1312

1413
import matplotlib.pyplot as plt
1514
from numpy import nonzero
1615
from numpy.random import rand
1716

1817

1918
class Datum(object):
20-
colorin = colorConverter.to_rgba('red')
21-
colorout = colorConverter.to_rgba('blue')
19+
colorin = mcolors.to_rgba("red")
20+
colorout = mcolors.to_rgba("blue")
2221

2322
def __init__(self, x, y, include=False):
2423
self.x = x

‎examples/mplot3d/polys3d_demo.py‎

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -5,16 +5,16 @@
55

66
from mpl_toolkits.mplot3d import Axes3D
77
from matplotlib.collections import PolyCollection
8-
from matplotlib.colors import colorConverter
98
import matplotlib.pyplot as plt
9+
from matplotlib import colors as mcolors
1010
import numpy as np
1111

1212

1313
def cc(arg):
1414
'''
1515
Shorthand to convert 'named' colors to rgba format at 60% opacity.
1616
'''
17-
return colorConverter.to_rgba(arg, alpha=0.6)
17+
return mcolors.to_rgba(arg, alpha=0.6)
1818

1919

2020
def polygon_under_graph(xlist, ylist):

‎examples/pylab_examples/colours.py‎

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -3,12 +3,12 @@
33
Some simple functions to generate colours.
44
"""
55
import numpy as np
6-
from matplotlib.colors import colorConverter
6+
from matplotlib import colors as mcolors
77

88

99
def pastel(colour, weight=2.4):
1010
""" Convert colour into a nice pastel shade"""
11-
rgb = np.asarray(colorConverter.to_rgb(colour))
11+
rgb = np.asarray(mcolors.to_rgba(colour)[:3])
1212
# scale colour
1313
maxc = max(rgb)
1414
if maxc < 1.0 and maxc > 0:

‎examples/pylab_examples/demo_ribbon_box.py‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -18,7 +18,7 @@ class RibbonBox(object):
1818
nx = original_image.shape[1]
1919

2020
def __init__(self, color):
21-
rgb = matplotlib.colors.colorConverter.to_rgb(color)
21+
rgb = matplotlib.colors.to_rgba(color)[:3]
2222

2323
im = np.empty(self.original_image.shape,
2424
self.original_image.dtype)

‎examples/pylab_examples/line_collection.py‎

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -1,6 +1,6 @@
11
import matplotlib.pyplot as plt
22
from matplotlib.collections import LineCollection
3-
from matplotlib.colors import colorConverter
3+
from matplotlib import colors as mcolors
44

55
import numpy as np
66

@@ -30,7 +30,7 @@
3030
# where onoffseq is an even length tuple of on and off ink in points.
3131
# If linestyle is omitted, 'solid' is used
3232
# See matplotlib.collections.LineCollection for more information
33-
colors = [colorConverter.to_rgba(c)
33+
colors = [mcolors.to_rgba(c)
3434
for c in plt.rcParams['axes.prop_cycle'].by_key()['color']]
3535

3636
line_segments = LineCollection(segs, linewidths=(0.5, 1, 1.5, 2),

‎examples/widgets/menu.py‎

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -17,8 +17,8 @@ def __init__(self, fontsize=14, labelcolor='black', bgcolor='yellow',
1717
self.bgcolor = bgcolor
1818
self.alpha = alpha
1919

20-
self.labelcolor_rgb = colors.colorConverter.to_rgb(labelcolor)
21-
self.bgcolor_rgb = colors.colorConverter.to_rgb(bgcolor)
20+
self.labelcolor_rgb = colors.to_rgba(labelcolor)[:3]
21+
self.bgcolor_rgb = colors.to_rgba(bgcolor)[:3]
2222

2323

2424
class MenuItem(artist.Artist):

‎lib/matplotlib/axes/_axes.py‎

Lines changed: 4 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -2066,7 +2066,7 @@ def make_iterable(x):
20662066
if color is None:
20672067
color = [None] * nbars
20682068
else:
2069-
color = list(mcolors.colorConverter.to_rgba_array(color))
2069+
color = list(mcolors.to_rgba_array(color))
20702070
if len(color) == 0: # until to_rgba_array is changed
20712071
color = [[0, 0, 0, 0]]
20722072
if len(color) < nbars:
@@ -2075,7 +2075,7 @@ def make_iterable(x):
20752075
if edgecolor is None:
20762076
edgecolor = [None] * nbars
20772077
else:
2078-
edgecolor = list(mcolors.colorConverter.to_rgba_array(edgecolor))
2078+
edgecolor = list(mcolors.to_rgba_array(edgecolor))
20792079
if len(edgecolor) == 0: # until to_rgba_array is changed
20802080
edgecolor = [[0, 0, 0, 0]]
20812081
if len(edgecolor) < nbars:
@@ -3844,7 +3844,7 @@ def scatter(self, x, y, s=None, c=None, marker=None, cmap=None, norm=None,
38443844
co = kwargs.pop('color', None)
38453845
if co is not None:
38463846
try:
3847-
mcolors.colorConverter.to_rgba_array(co)
3847+
mcolors.to_rgba_array(co)
38483848
except ValueError:
38493849
raise ValueError("'color' kwarg must be an mpl color"
38503850
" spec or sequence of color specs.\n"
@@ -6045,7 +6045,7 @@ def _normalize_input(inp, ename='input'):
60456045
if color is None:
60466046
color = [self._get_lines.get_next_color() for i in xrange(nx)]
60476047
else:
6048-
color = mcolors.colorConverter.to_rgba_array(color)
6048+
color = mcolors.to_rgba_array(color)
60496049
if len(color) != nx:
60506050
raise ValueError("color kwarg must have one color per dataset")
60516051

‎lib/matplotlib/axes/_base.py‎

Lines changed: 4 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -68,7 +68,7 @@ def _process_plot_format(fmt):
6868

6969
# Is fmt just a colorspec?
7070
try:
71-
color = mcolors.colorConverter.to_rgb(fmt)
71+
color = mcolors.to_rgba(fmt)
7272

7373
# We need to differentiate grayscale '1.0' from tri_down marker '1'
7474
try:
@@ -112,14 +112,14 @@ def _process_plot_format(fmt):
112112
raise ValueError(
113113
'Illegal format string "%s"; two marker symbols' % fmt)
114114
marker = c
115-
elif c in mcolors.colorConverter.colors:
115+
elif c in mcolors.get_named_colors_mapping():
116116
if color is not None:
117117
raise ValueError(
118118
'Illegal format string "%s"; two color symbols' % fmt)
119119
color = c
120120
elif c == 'C' and i < len(chars) - 1:
121121
color_cycle_number = int(chars[i + 1])
122-
color = mcolors.colorConverter._get_nth_color(color_cycle_number)
122+
color = mcolors.to_rgba("C{}".format(color_cycle_number))
123123
i += 1
124124
else:
125125
raise ValueError(
@@ -3687,7 +3687,7 @@ def set_cursor_props(self, *args):
36873687
lw, c = args
36883688
else:
36893689
raise ValueError('args must be a (linewidth, color) tuple')
3690-
c = mcolors.colorConverter.to_rgba(c)
3690+
c = mcolors.to_rgba(c)
36913691
self._cursorProps = lw, c
36923692

36933693
def get_children(self):

‎lib/matplotlib/backend_bases.py‎

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -1022,11 +1022,11 @@ def set_foreground(self, fg, isRGBA=False):
10221022
if self._forced_alpha and isRGBA:
10231023
self._rgb = fg[:3] + (self._alpha,)
10241024
elif self._forced_alpha:
1025-
self._rgb = colors.colorConverter.to_rgba(fg, self._alpha)
1025+
self._rgb = colors.to_rgba(fg, self._alpha)
10261026
elif isRGBA:
10271027
self._rgb = fg
10281028
else:
1029-
self._rgb = colors.colorConverter.to_rgba(fg)
1029+
self._rgb = colors.to_rgba(fg)
10301030

10311031
def set_graylevel(self, frac):
10321032
"""

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