Changeset 153 for osgVisual/src/vista2D/visual_vista2D.cpp

Timestamp:

Nov 11, 2010, 9:03:48 PM (13 years ago)

Author:

Torben Dannhauer

Message:

visual2D enhanced to use XML config file.
todo: test

File:

• osgVisual/src/vista2D/visual_vista2D.cpp (modified) (4 diffs)

osgVisual/src/vista2D/visual_vista2D.cpp

@@ -24 +24 @@
    // Create a Vista2D View
    view = new Vista2D::VistaView();
+
+        filename = "";
+        paintBackground = false;;
+        position_x = 600;
+        position_y = 400;
+        zoom = 0.5;
 }
 
@@ -30 +36 @@
 }
 
-void visual_vista2D::init(std::string vista2DFilename_)
-{       
+void visual_vista2D::startVista2D(std::string vista2DFilename_)
+{
     /***************
     load view
     ***************/
-        view->load( vista2DFilename_ );
-    view->setBackgroundMode(false);     // don't paint background
-        view->setPosition(800,450);
-        view->setZoom( 0.5 );
+        view->load( filename );
+    view->setBackgroundMode(paintBackground);   // don't paint background
+        view->setPosition( position_x,position_y);
+        view->setZoom( zoom );
 
     /***************
@@ -48 +54 @@
 }
 
-bool visual_vista2D::createVistaOverlay( std::string vista2DFilename_, osg::CoordinateSystemNode *sceneGraphRoot_ )
-{
+bool visual_vista2D::processXMLConfiguration()
+{
+        // Init XML
+        xmlDoc* tmpDoc;
+        bool disabled;
+        xmlNode* config = util::getModuleXMLConfig( configFileName, "vista2D", tmpDoc, disabled );
+
+        if( disabled)
+        {
+                OSG_NOTIFY( osg::ALWAYS ) << "..disabled by XML configuration file." << std::endl;
+                return false;
+        }
+        
+        // extract configuration values
+        if(config)
+        {
+                xmlNode* a_node = config->children;
+
+                for (xmlNode *cur_node = a_node; cur_node; cur_node = cur_node->next)
+                {
+                std::string node_name=reinterpret_cast<const char*>(cur_node->name);
+                        //OSG_ALWAYS << "----visual_vista2D::processXMLConfiguration() - node type="<< cur_node->type <<", name=" << cur_node->name << std::endl;
+
+                        // Check for vista2d node
+                        if(cur_node->type == XML_ELEMENT_NODE && node_name == "vista2d")
+                        {
+                                // Check attributes
+                                xmlAttr  *attr = cur_node->properties;
+                                while ( attr ) 
+                                { 
+                                        std::string attr_name=reinterpret_cast<const char*>(attr->name);
+                                        std::string attr_value=reinterpret_cast<const char*>(attr->children->content);
+
+                                        if( attr_name == "filename" )
+                                        {
+                                                filename=attr_value
+                                        }
+
+                                        if( attr_name == "paintBackground" )
+                                        {
+                                                paintBackground = (attr_value == "yes") ? true : false;
+                                        }
+
+                                        if( attr_name == "position_x" )
+                                        {
+                                                std::stringstream sstr(attr_value);
+                                                sstr >> position_x;
+                                        }
+
+                                        if( attr_name == "position_y" )
+                                        {
+                                                std::stringstream sstr(attr_value);
+                                                sstr >> position_y;
+                                        }
+
+                                        if( attr_name == "zoom" )
+                                        {
+                                                std::stringstream sstr(attr_value);
+                                                sstr >> zoom;
+                                        }
+
+                                        attr = attr->next;
+                                }       // WHILE attr END
+                        }       // IF node == vista2d END
+                }       // FOR end
+        
+                // clean up
+                xmlFreeDoc(tmpDoc); xmlCleanupParser();
+                return true;
+        }       // IF Config valid END
+        else
+        {
+                OSG_WARN << "ERROR: visual_vista2D::processXMLConfiguration() - Module configuration not found" << std::endl;
+                return false;
+        }
+
+        return true;
+}
+
+bool visual_vista2D::init( osg::CoordinateSystemNode *sceneGraphRoot_, std::string configFileName )
+{
+        OSG_NOTIFY (osg::ALWAYS ) << "visual_vista2D initialize..";  // The sentence is finished by the init result...
+
+        this->configFileName = configFileName;
+
+        // Analyse XML configuration file
+                // Process XML configuration
+        if(!processXMLConfiguration())
+                return false;   // Abort vista2D initialization.
+
         // Check if Vista2D file exist
-        if (! osgDB::fileExists( vista2DFilename_ ) )
-        {
-                osg::notify( osg::WARN ) << "WARNING: Could not find specified Vista2D projectfile. Skip adding Vista2D project." << std::endl;
+        if (! osgDB::fileExists( filename ) )
+        {
+                osg::notify( osg::WARN ) << "WARNING: visual_vista2D::createVistaOverlay - Could not find specified Vista2D projectfile. Skip adding Vista2D project." << std::endl;
                 return false;
         }
@@ -92 +186 @@
         // Add Payload: Vista2D                 
         osg::ref_ptr<visual_vista2D> vista2D = new visual_vista2D();
-        vista2D->init( vista2DFilename_ );
+        vista2D->startVista2D( vista2DFilename_ );
 
         vista2D.get()->setUseDisplayList( false );