artemp/trac2github — Issue #445: Near white blown out in rasters with opacity <= .5
Author: artemp
Created: 2011-10-09 20:34:37+00:00
State: open
Labels: Core_Library

This looks like a problem in mapnik::graphics::set_rectangle_alpha2

Example image attached. Render on left is png with opacity=.7, while on the right is opacity=.4