andreasgal/pdf.js — pull request #716 by brendandahl (2011-10-29 01:09:56+00:00)
Title: Alpha Transparency Support

Adds support for the two graphic state operators 'CA' and 'ca'. We could possibly do this differently using the rgba on the fillcolor and strokecolor, but we need to have the fill alpha applied to images and gradients as well so I'm not sure we could do that.

fillAlpha is actually a misnomer since it applies to all nonstroking operations, but for consistency I'll call it fill since all our other stuff that is "non-stroking" is called fill.

I expect this to fail on page 11 and 12 of fit11-talk since those pages use alpha and were previously incorrectly rendered. Though someone else should double check the reference images.