[chronojump] Rectangle on encoder analyze single instant

[Xavier de Blas <xaviblas src gnome org>]

commit da64b282504af2e317f7b7319cf928319cdaed9e
Author: Xavier de Blas <xaviblas gmail com>
Date:   Thu Feb 4 22:21:34 2016 +0100

    Rectangle on encoder analyze single instant

 src/gui/encoder.cs |   16 ++++++++++------
 1 files changed, 10 insertions(+), 6 deletions(-)
---
diff --git a/src/gui/encoder.cs b/src/gui/encoder.cs
index 271db60..25d752d 100644
--- a/src/gui/encoder.cs
+++ b/src/gui/encoder.cs
@@ -5470,14 +5470,18 @@ public partial class ChronoJumpWindow
                        //add rectangle
                        g.SetSourceRGBA(0.906, 0.745, 0.098, 1); //Chronojump yellow
                        
-                       int xpos = 
eai.GetVerticalLinePosition(Convert.ToInt32(hscale_encoder_analyze_a.Value));
-                       g.MoveTo(xpos, 0);
-                       g.LineTo(xpos, drawingarea_encoder_analyze_cairo_pixbuf.Height);
+                       int xposa = 
eai.GetVerticalLinePosition(Convert.ToInt32(hscale_encoder_analyze_a.Value));
+                       g.MoveTo(xposa, 0);
+                       g.LineTo(xposa, drawingarea_encoder_analyze_cairo_pixbuf.Height);
                
                        if(checkbutton_encoder_analyze_b.Active) {
-                               xpos = 
eai.GetVerticalLinePosition(Convert.ToInt32(hscale_encoder_analyze_b.Value));
-                               g.MoveTo(xpos, 0);
-                               g.LineTo(xpos, drawingarea_encoder_analyze_cairo_pixbuf.Height);
+                               int xposb = 
eai.GetVerticalLinePosition(Convert.ToInt32(hscale_encoder_analyze_b.Value));
+                               g.MoveTo(xposb, 0);
+                               g.LineTo(xposb, drawingarea_encoder_analyze_cairo_pixbuf.Height);
+
+                               g.SetSourceRGBA(0.945, 0.84, 0.518, .5); //lighter yellow, half transp
+                               g.Rectangle(xposa ,0, xposb-xposa, 
drawingarea_encoder_analyze_cairo_pixbuf.Height);
+                               g.Fill();
                        }
                        
                        g.Stroke();