text_view_facing_marker.cpp
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00001 /*
00002  * Copyright (c) 2010, Willow Garage, Inc.
00003  * All rights reserved.
00004  *
00005  * Redistribution and use in source and binary forms, with or without
00006  * modification, are permitted provided that the following conditions are met:
00007  *
00008  *     * Redistributions of source code must retain the above copyright
00009  *       notice, this list of conditions and the following disclaimer.
00010  *     * Redistributions in binary form must reproduce the above copyright
00011  *       notice, this list of conditions and the following disclaimer in the
00012  *       documentation and/or other materials provided with the distribution.
00013  *     * Neither the name of the Willow Garage, Inc. nor the names of its
00014  *       contributors may be used to endorse or promote products derived from
00015  *       this software without specific prior written permission.
00016  *
00017  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
00018  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00019  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00020  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
00021  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
00022  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
00023  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
00024  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
00025  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
00026  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
00027  * POSSIBILITY OF SUCH DAMAGE.
00028  */
00029 
00030 #include <OGRE/OgreSceneNode.h>
00031 #include <OGRE/OgreSceneManager.h>
00032 
00033 #include <ros/assert.h>
00034 
00035 #include "rviz/default_plugin/markers/marker_selection_handler.h"
00036 #include "rviz/display_context.h"
00037 #include "rviz/ogre_helpers/movable_text.h"
00038 #include "rviz/selection/selection_manager.h"
00039 
00040 #include "rviz/default_plugin/markers/text_view_facing_marker.h"
00041 
00042 namespace rviz
00043 {
00044 
00045 TextViewFacingMarker::TextViewFacingMarker(MarkerDisplay* owner, DisplayContext* context, Ogre::SceneNode* parent_node)
00046 : MarkerBase(owner, context, parent_node)
00047 , text_(0)
00048 {
00049 }
00050 
00051 TextViewFacingMarker::~TextViewFacingMarker()
00052 {
00053   delete text_;
00054 }
00055 
00056 void TextViewFacingMarker::onNewMessage(const MarkerConstPtr& old_message, const MarkerConstPtr& new_message)
00057 {
00058   ROS_ASSERT(new_message->type == visualization_msgs::Marker::TEXT_VIEW_FACING);
00059 
00060   if (!text_)
00061   {
00062     text_ = new MovableText(new_message->text);
00063     text_->setTextAlignment(MovableText::H_CENTER, MovableText::V_CENTER);
00064     scene_node_->attachObject(text_);
00065 
00066     handler_.reset( new MarkerSelectionHandler(this, MarkerID(new_message->ns, new_message->id ), context_ ));
00067     handler_->addTrackedObject( text_ );
00068   }
00069 
00070   Ogre::Vector3 pos, scale;
00071   Ogre::Quaternion orient;
00072   transform(new_message, pos, orient, scale);
00073 
00074   setPosition(pos);
00075   text_->setCharacterHeight(new_message->scale.z);
00076   text_->setColor(Ogre::ColourValue(new_message->color.r, new_message->color.g, new_message->color.b, new_message->color.a));
00077   text_->setCaption(new_message->text);
00078 }
00079 
00080 S_MaterialPtr TextViewFacingMarker::getMaterials()
00081 {
00082   S_MaterialPtr materials;
00083   if ( text_->getMaterial().get() )
00084   {
00085   materials.insert( text_->getMaterial() );
00086   }
00087   return materials;
00088 }
00089 
00090 }
00091 


rviz
Author(s): Dave Hershberger, David Gossow, Josh Faust
autogenerated on Mon Oct 6 2014 07:26:36