Cleaned code and added a whats_new

mnmelo · mnmelo · commit c9393312eced · 2020-03-24T04:51:43.000Z
diff --git a/doc/users/next_whats_new/2020-03-24-svg-hatch-alpha.rst b/doc/users/next_whats_new/2020-03-24-svg-hatch-alpha.rst
@@ -0,0 +1,6 @@
+The SVG backend can now render hatches with transparency
+--------------------------------------------------------
+
+The SVG backend now respects the hatch stroke alpha. Useful applications are,
+among others, semi-transparent hatches as a subtle way to differentiate columns
+in bar plots.
diff --git a/lib/matplotlib/backends/backend_svg.py b/lib/matplotlib/backends/backend_svg.py
@@ -398,7 +398,7 @@ def _write_hatches(self):
                     'stroke-linecap': 'butt',
                     'stroke-linejoin': 'miter'
                     }
-            if stroke[3] < 1.:
+            if stroke[3] < 1:
                 hatch_style['stroke-opacity'] = str(stroke[3])
             writer.element(
                 'path',

Original file line number	Diff line number	Diff line change
`@@ -398,7 +398,7 @@ def _write_hatches(self):`
`398`	`398`	`'stroke-linecap': 'butt',`
`399`	`399`	`'stroke-linejoin': 'miter'`
`400`	`400`	`}`
`401`		`- if stroke[3] < 1.:`
	`401`	`+ if stroke[3] < 1:`
`402`	`402`	`hatch_style['stroke-opacity'] = str(stroke[3])`
`403`	`403`	`writer.element(`
`404`	`404`	`'path',`