Changeset 5463 for OpenSceneGraph/trunk/examples/osglogo/osglogo.cpp

Timestamp:

08/23/06 15:16:12 (7 years ago)

Author:

robert

Message:

Tweaks to osglogo to allow you to export alpha blended screenshots

Files:

• OpenSceneGraph/trunk/examples/osglogo/osglogo.cpp (modified) (2 diffs)

OpenSceneGraph/trunk/examples/osglogo/osglogo.cpp

@@ -424 +424 @@
 
     osg::ClearNode* backdrop = new osg::ClearNode;
-    backdrop->setClearColor(osg::Vec4(1.0f,1.0f,1.0f,1.0f));
+    backdrop->setClearColor(osg::Vec4(1.0f,1.0f,1.0f,0.0f));
 
     //osg::Vec3 lightPosition(-500.0f,-2500.0f,500.0f);
@@ -450 +450 @@
     arguments.getApplicationUsage()->setDescription(arguments.getApplicationName()+" is the example which demonstrates both text, animation and billboard via custom transform to create the OpenSceneGraph logo..");
    
-arguments.getApplicationUsage()->setCommandLineUsage(arguments.getApplicationName()+"[options] [filename] ...");
+    arguments.getApplicationUsage()->setCommandLineUsage(arguments.getApplicationName()+"[options] [filename] ...");
     arguments.getApplicationUsage()->addCommandLineOption("-h or --help","Display this information");
     arguments.getApplicationUsage()->addCommandLineOption("ps","Render the Professional Services logo");
    
+   
+    osg::DisplaySettings::instance()->setMinimumNumAlphaBits(8);
+   
     // construct the viewer.
     osgProducer::Viewer viewer(arguments);
 
+    viewer.setWriteImageFileName("logo.rgb");
+    
     // set up the value with sensible default event handlers.
     viewer.setUpViewer(osgProducer::Viewer::STANDARD_SETTINGS);