Merge pull request #705 from mdboom/alpha_pdf

WeatherGod · WeatherGod · commit 502974c74e0d · 2012-03-14T12:10:54.000-07:00
Problem with images and alpha in pdf when viewed in adobe
diff --git a/lib/matplotlib/backends/backend_pdf.py b/lib/matplotlib/backends/backend_pdf.py
@@ -448,7 +448,11 @@ def newPage(self, width, height):
                     'Parent': self.pagesObject,
                     'Resources': self.resourceObject,
                     'MediaBox': [ 0, 0, 72*width, 72*height ],
-                    'Contents': contentObject }
+                    'Contents': contentObject,
+                    'Group': {'Type': Name('Group'),
+                              'S': Name('Transparency'),
+                              'CS': Name('DeviceRGB')}
+                    }
         pageObject = self.reserveObject('page')
         self.writeObject(pageObject, thePage)
         self.pageList.append(pageObject)
