Merge pull request #511 from frutti93/transfer-axis-label-colors

Transfer axis label colors

Author: nschloe

.gitignore

@@ -10,3 +10,5 @@ build/
 *.egg-info/
 .pytest_cache/
 .tox/
+mytikz.tex
+test.tex

src/tikzplotlib/_axes.py

@@ -49,14 +49,30 @@ def __init__(self, data, obj):  # noqa: C901
         xlabel = obj.get_xlabel()
         if xlabel:
             xlabel = _common_texification(xlabel)
-            self.axis_options.append(f"xlabel={{{xlabel}}}")
+
+            labelcolor = obj.xaxis.label.get_c()
+
+            if labelcolor != "black":
+                data, col, _ = _color.mpl_color2xcolor(data, labelcolor)
+                self.axis_options.append(f"xlabel=\\textcolor{{{col}}}{{{xlabel}}}")
+            else:
+                self.axis_options.append(f"xlabel={{{xlabel}}}")
+
             xrotation = obj.xaxis.get_label().get_rotation()
             if xrotation != 0:
                 self.axis_options.append(f"xlabel style={{rotate={xrotation - 90}}}")
+
         ylabel = obj.get_ylabel()
         if ylabel:
             ylabel = _common_texification(ylabel)
-            self.axis_options.append(f"ylabel={{{ylabel}}}")
+
+            labelcolor = obj.yaxis.label.get_c()
+            if labelcolor != "black":
+                data, col, _ = _color.mpl_color2xcolor(data, labelcolor)
+                self.axis_options.append(f"ylabel=\\textcolor{{{col}}}{{{ylabel}}}")
+            else:
+                self.axis_options.append(f"ylabel={{{ylabel}}}")
+
             yrotation = obj.yaxis.get_label().get_rotation()
             if yrotation != 90:
                 self.axis_options.append(f"ylabel style={{rotate={yrotation - 90}}}")

tests/test_basic_sin_reference.tex

@@ -20,12 +20,12 @@
 tick pos=left,
 title={Simple plot \(\displaystyle \frac{\alpha}{2}\)},
 x grid style={white},
-xlabel={time(s)},
+xlabel=\textcolor{white!33.333333!black}{time(s)},
 xmajorgrids,
 xmin=-0.095, xmax=1.995,
 xtick style={color=white!33.333333!black},
 y grid style={white},
-ylabel={Voltage (mV)},
+ylabel=\textcolor{white!33.333333!black}{Voltage (mV)},
 ymajorgrids,
 ymin=-1.1, ymax=1.1,
 ytick style={color=white!33.333333!black}

tests/test_externalize_tables_reference.tex

@@ -10,12 +10,12 @@
 tick pos=left,
 title={Simple plot \(\displaystyle \frac{\alpha}{2}\)},
 x grid style={white},
-xlabel={time(s)},
+xlabel=\textcolor{white!33.333333!black}{time(s)},
 xmajorgrids,
 xmin=-0.095, xmax=1.995,
 xtick style={color=white!33.333333!black},
 y grid style={white},
-ylabel={Voltage (mV)},
+ylabel=\textcolor{white!33.333333!black}{Voltage (mV)},
 ymajorgrids,
 ymin=-1.1, ymax=1.1,
 ytick style={color=white!33.333333!black}

tests/test_line_color_marker_reference.tex

@@ -10,12 +10,12 @@
 tick pos=left,
 title={Simple plot \(\displaystyle \frac{\alpha}{2}\)},
 x grid style={white},
-xlabel={time(s)},
+xlabel=\textcolor{white!33.333333!black}{time(s)},
 xmajorgrids,
 xmin=-0.095, xmax=1.995,
 xtick style={color=white!33.333333!black},
 y grid style={white},
-ylabel={Voltage (mV)},
+ylabel=\textcolor{white!33.333333!black}{Voltage (mV)},
 ymajorgrids,
 ymin=-1.1, ymax=1.1,
 ytick style={color=white!33.333333!black}