Added support for <image blending="ON" or blending="OFF"> to allow user definition of when to enable OpenGL blending for an image or not.

2012-11-13 14:22:37 +00:00
parent 0c02ef358f
commit 057f8a8b3b
3 changed files with 40 additions and 1 deletions
--- a/include/osgPresentation/SlideShowConstructor
+++ b/include/osgPresentation/SlideShowConstructor
@@ -246,7 +246,8 @@ public:
            duration(-1.0),
            imageSequence(false),
            imageSequencePagingMode(osg::ImageSequence::PAGE_AND_DISCARD_USED_IMAGES),
-            imageSequenceInteractionMode(PLAY_AUTOMATICALLY_LIKE_MOVIE)
+            imageSequenceInteractionMode(PLAY_AUTOMATICALLY_LIKE_MOVIE),
+            blendingHint(USE_IMAGE_ALPHA)
        {}

        std::string                     options;
@@ -271,7 +272,16 @@ public:
            USE_MOUSE_Y_POSITION
        };
        ImageSequenceInteractionMode imageSequenceInteractionMode;
+
+        enum BlendingHint
+        {
+            USE_IMAGE_ALPHA,
+            OFF,
+            ON
+        };
        
+        BlendingHint blendingHint;
+
    };

    struct VolumeData