Merge lp:~azzar1/unity/fix-1036231 into lp:unity

[Andrea Azzarone]

Use linear filtering to draw icons (when needed).

== Problem ==
Icons resized between 32 - 48 - 64 with ***odd*** sizes look jaggy.

== Fix ==
Use linear filtering when needed.

== Screenshots ==
Before fix: https://bugs.launchpad.net/unity/+bug/1036231/+attachment/3270121/+files/Screenshot%20from%202012-08-21%2011%3A35%3A03.png
After fix: https://bugs.launchpad.net/unity/+bug/1036231/+attachment/3270124/+files/Screenshot%20from%202012-08-21%2011%3A39%3A06.png

***even size (38px) ***: https://launchpadlibrarian.net/113064178/Screenshot%20from%202012-08-21%2012%3A04%3A15.png

[Sam Spilsbury (smspillaz)]

LGTM. Is this code covered by tests? Should it be?

review: Needs Information

[Andrea Azzarone (azzar1)]

> LGTM. Is this code covered by tests? Should it be?

IconRenderer is test free :/
Btw this is a visual change and we don't need test for visual changes. I'll ask Tim btw.

[Tim Penhey (thumper)]

Just visual. OK to land.

review: Approve

=== modified file 'unity-shared/IconRenderer.cpp'
--- unity-shared/IconRenderer.cpp	2012-08-15 02:51:33 +0000
+++ unity-shared/IconRenderer.cpp	2012-08-21 09:55:43 +0000
@@ -522,7 +522,7 @@
                 nux::color::White,
                 colorify,
                 arg.alpha,
-                false,
+                force_filter,
                 arg.icon->GetTransform(ui::IconTextureSource::TRANSFORM_IMAGE, monitor));
 
   // draw overlay shine