Add viewer dithering

Author: cedricp

Global/Enums.h

@@ -299,6 +299,8 @@ enum PixmapEnum
     NATRON_PIXMAP_VIEWER_GAMMA_DISABLED,
     NATRON_PIXMAP_VIEWER_GAIN_ENABLED,
     NATRON_PIXMAP_VIEWER_GAIN_DISABLED,
+    NATRON_PIXMAP_VIEWER_DITHER_ENABLED,
+    NATRON_PIXMAP_VIEWER_DITHER_DISABLED,
 
     NATRON_PIXMAP_SCRIPT_CLEAR_OUTPUT,
     NATRON_PIXMAP_SCRIPT_EXEC_SCRIPT,

Gui/GuiApplicationManager.cpp

@@ -790,6 +790,12 @@ GuiApplicationManager::getIcon(PixmapEnum e,
             path = NATRON_IMAGES_PATH "interp_curve_z.png";
             break;
             // DON'T add a default: case here
+        case NATRON_PIXMAP_VIEWER_DITHER_ENABLED:
+            path = NATRON_IMAGES_PATH "dither_enabled.png";
+            break;
+        case NATRON_PIXMAP_VIEWER_DITHER_DISABLED:
+            path = NATRON_IMAGES_PATH "dither_disabled.png";
+            break;
         } // switch
         if ( path.empty() ) {
             assert(!"Missing image.");

Gui/GuiResources.qrc

@@ -159,6 +159,8 @@
         <file>Resources/Images/curve.png</file>
         <file>Resources/Images/cuspPoints.png</file>
         <file>Resources/Images/diskcache_icon.png</file>
+        <file>Resources/Images/dither_enabled.png</file>
+        <file>Resources/Images/dither_disabled.png</file>
         <file>Resources/Images/dot_icon.png</file>
         <file>Resources/Images/ellipse.png</file>
         <file>Resources/Images/enter_group.png</file>