added numeric rgb support

Author: timtreis

src/spatialdata_plot/pl/utils.py

@@ -502,7 +502,7 @@ def _set_outline(
     # the default black and white colors can be changes using the contour_config parameter
     if isinstance(outline_color, str):
         bg_color, gap_color = outline_color, outline_color
-    elif len(outline_color) == 4 and all(isinstance(c, float) for c in outline_color):
+    elif (len(outline_color) == 3 or len(outline_color) == 4) and all(isinstance(c, float) for c in outline_color):
         hex_color = matplotlib.colors.to_hex(outline_color)
         bg_color, gap_color = hex_color, hex_color
     else:

tests/_images/Shapes_can_render_polygons_with_numericcolored_outline.png

@@ -30,3 +30,14 @@ def test_plot_can_render_circles_with_colored_outline(self, sdata_blobs: Spatial
 
     def test_plot_can_render_polygons(self, sdata_blobs: SpatialData):
         sdata_blobs.pl.render_shapes(elements="blobs_polygons").pl.show()
+
+    def test_plot_can_render_polygons_with_outline(self, sdata_blobs: SpatialData):
+        sdata_blobs.pl.render_shapes(elements="blobs_polygons", outline=True).pl.show()
+
+    def test_plot_can_render_polygons_with_colored_outline(self, sdata_blobs: SpatialData):
+        sdata_blobs.pl.render_shapes(elements="blobs_polygons", outline=True, outline_color="red").pl.show()
+
+    def test_plot_can_render_polygons_with_numericcolored_outline(self, sdata_blobs: SpatialData):
+        sdata_blobs.pl.render_shapes(
+            elements="blobs_polygons", outline=True, outline_color=(0.0, 1.0, 0.0, 1.0)
+        ).pl.show()