[banshee/grid] [BansheeLineLogo] Simplified math and path nodes

[Aaron Bockover <abock src gnome org>]

commit 53992d43a389de5b1c22ada718e7b1753e962a14
Author: Aaron Bockover <abockover novell com>
Date:   Mon Dec 14 19:43:36 2009 -0500

    [BansheeLineLogo] Simplified math and path nodes
    
    Actually broke out the pen, paper, and way back geometry lessons
    to calculate the angles and sides of all the implied parts of
    the logo.
    
    Fixed pixel grid offset calculations too.

 .../Banshee.CairoGlyphs/BansheeLineLogo.cs         |   10 +++++-----
 1 files changed, 5 insertions(+), 5 deletions(-)
---
diff --git a/src/Core/Banshee.ThickClient/Banshee.CairoGlyphs/BansheeLineLogo.cs b/src/Core/Banshee.ThickClient/Banshee.CairoGlyphs/BansheeLineLogo.cs
index 66b2069..4d27b12 100644
--- a/src/Core/Banshee.ThickClient/Banshee.CairoGlyphs/BansheeLineLogo.cs
+++ b/src/Core/Banshee.ThickClient/Banshee.CairoGlyphs/BansheeLineLogo.cs
@@ -44,8 +44,9 @@ namespace Banshee.CairoGlyphs
         {
             double original_size = 12; // largest dimension as computed in rendering
             double scale = size / original_size;
-            double tx = x - scale / 2.0;
-            double ty = y - scale / 2.0;
+            double pixel_align = Math.Round (scale / 2.0) + (Math.Floor (scale) % 2 == 0 ? 0 : 0.5);
+            double tx = x - pixel_align;
+            double ty = y - pixel_align;
 
             cr.Save ();
             cr.Translate (tx, ty);
@@ -59,13 +60,12 @@ namespace Banshee.CairoGlyphs
             cr.Color = innerColor;
             cr.MoveTo (1, 2);
             cr.LineTo (3, 0);
-            cr.LineTo (3, 8);
-            cr.Arc (3 + 2, 8, 2, Math.PI, Math.PI * 3);
+            cr.Arc (5, 8, 2, Math.PI, Math.PI * 3);
             cr.Stroke ();
 
             // Outer circle
             cr.Color = outerColor;
-            cr.ArcNegative (5, 4 + 4, 4, Math.PI * -0.87, Math.PI * 1.48);
+            cr.Arc (5, 8, 4, Math.PI * 1.5, Math.PI * 1.12);
             cr.Stroke ();
 
             cr.Restore ();