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Viewing changes to OpenSceneGraph/examples/osgtext3D/osgtext3D.cpp

  • Committer: Bazaar Package Importer
  • Author(s): Cyril Brulebois
  • Date: 2008-07-29 04:34:38 UTC
  • mfrom: (1.1.6 upstream) (2.1.3 lenny)
  • Revision ID: james.westby@ubuntu.com-20080729043438-no1h9h0dpsrlzp1y
http://bugs.debian.org/477353
http://bugs.debian.org/482239
* Non-maintainer upload.
* No longer try to detect (using /proc/cpuinfo when available) how many
  CPUs are available, fixing the FTBFS (due to -j0) on various platforms
  (Closes: #477353). The right way to do it is to support parallel=n in
  DEB_BUILD_OPTIONS (see Debian Policy §4.9.1), and adequate support has
  been implemented.
* Add patch to fix FTBFS due to the build system now refusing to handle
  whitespaces (Policy CMP0004 say the logs), thanks to Andreas Putzo who
  provided it (Closes: #482239):
   - debian/patches/fix-cmp0004-build-failure.dpatch
* Remove myself from Uploaders, as requested a while ago, done by Luk in
  his 2.2.0-2.1 NMU, which was never acknowledged.

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OpenSceneGraph/examples/osgtext3D/osgtext3D.cpp
 
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/* OpenSceneGraph example, osgtext.
 
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*
 
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*  Permission is hereby granted, free of charge, to any person obtaining a copy
 
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*  of this software and associated documentation files (the "Software"), to deal
 
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*  in the Software without restriction, including without limitation the rights
 
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*  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 
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*  copies of the Software, and to permit persons to whom the Software is
 
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*  furnished to do so, subject to the following conditions:
 
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*
 
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*  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 
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*  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 
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*  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 
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*  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 
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*  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 
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*  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 
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*  THE SOFTWARE.
 
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*/
 
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#include <osgViewer/Viewer>
 
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#include <osgViewer/ViewerEventHandlers>
 
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#include <osgDB/ReadFile>
 
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#include <osgGA/TrackballManipulator>
 
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#include <osgGA/StateSetManipulator>
 
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#include <osg/Geode>
 
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#include <osg/Geometry>
 
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#include <osg/Material>
 
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#include <osg/Shape>
 
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#include <osg/ShapeDrawable>
 
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#include <osgText/Text3D>
 
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#include <iostream>
 
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#include <sstream>
 
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// create text which sits in 3D space such as would be inserted into a normal model
 
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osg::Group* create3DText(const osg::Vec3& center,float radius)
 
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{
 
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    osg::Geode* geode  = new osg::Geode;
 
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////////////////////////////////////////////////////////////////////////////////////////////////////////
 
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//    
 
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// Examples of how to set up axis/orientation alignments
 
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//
 
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    float characterSize=radius*0.2f;
 
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    float characterDepth=characterSize*0.2f;
 
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    osg::Vec3 pos(center.x()-radius*.5f,center.y()-radius*.5f,center.z()-radius*.5f);
 
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    osgText::Text3D* text1 = new osgText::Text3D;
 
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    text1->setFont("fonts/arial.ttf");
 
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    text1->setCharacterSize(characterSize);
 
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    text1->setCharacterDepth(characterDepth);
 
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    text1->setPosition(pos);
 
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    text1->setDrawMode(osgText::Text3D::TEXT | osgText::Text3D::BOUNDINGBOX);
 
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    text1->setAxisAlignment(osgText::Text3D::XY_PLANE);
 
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    text1->setText("XY_PLANE");
 
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    geode->addDrawable(text1);
 
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    osgText::Text3D* text2 = new osgText::Text3D;
 
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    text2->setFont("fonts/times.ttf");
 
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    text2->setCharacterSize(characterSize);
 
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    text2->setCharacterDepth(characterDepth);
 
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    text2->setPosition(pos);
 
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    text2->setDrawMode(osgText::Text3D::TEXT | osgText::Text3D::BOUNDINGBOX);
 
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    text2->setAxisAlignment(osgText::Text3D::YZ_PLANE);
 
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    text2->setText("YZ_PLANE");
 
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    geode->addDrawable(text2);
 
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    osgText::Text3D* text3 = new osgText::Text3D;
 
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    text3->setFont("fonts/dirtydoz.ttf");
 
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    text3->setCharacterSize(characterSize);
 
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    text3->setCharacterDepth(characterDepth);
 
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    text3->setPosition(pos);
 
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    text3->setDrawMode(osgText::Text3D::TEXT | osgText::Text3D::BOUNDINGBOX);
 
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    text3->setAxisAlignment(osgText::Text3D::XZ_PLANE);
 
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    text3->setText("XZ_PLANE");
 
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    geode->addDrawable(text3);
 
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    osgText::Text3D* text7 = new osgText::Text3D;
 
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    text7->setFont("fonts/times.ttf");
 
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    text7->setCharacterSize(characterSize);
 
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    text7->setCharacterDepth(characterSize*0.2f);
 
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    text7->setPosition(center - osg::Vec3(0.0, 0.0, 0.6));
 
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    text7->setDrawMode(osgText::Text3D::TEXT | osgText::Text3D::BOUNDINGBOX);
 
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    text7->setAxisAlignment(osgText::Text3D::SCREEN);
 
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    text7->setCharacterSizeMode(osgText::Text3D::OBJECT_COORDS);
 
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    text7->setText("CharacterSizeMode OBJECT_COORDS (default)");
 
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    geode->addDrawable(text7);
 
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    osg::ShapeDrawable* shape = new osg::ShapeDrawable(new osg::Sphere(center,characterSize*0.2f));
 
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    shape->getOrCreateStateSet()->setMode(GL_LIGHTING,osg::StateAttribute::ON);
 
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    geode->addDrawable(shape);
 
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    osg::Group* rootNode = new osg::Group;
 
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    rootNode->addChild(geode);
 
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    osg::Material* front = new osg::Material;
 
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    front->setAlpha(osg::Material::FRONT_AND_BACK,1);
 
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    front->setAmbient(osg::Material::FRONT_AND_BACK,osg::Vec4(0.2,0.2,0.2,1.0));
 
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    front->setDiffuse(osg::Material::FRONT_AND_BACK,osg::Vec4(.0,.0,1.0,1.0));
 
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    rootNode->getOrCreateStateSet()->setAttributeAndModes(front);
 
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    return rootNode;    
 
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}
 
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int main(int, char**)
 
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{
 
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        osgViewer::Viewer viewer;
 
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    osg::Vec3 center(0.0f,0.0f,0.0f);
 
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    float radius = 1.0f;
 
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        osg::Group* root = new osg::Group;
 
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        root->addChild(create3DText(center, radius));
 
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        viewer.setSceneData(root);
 
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        viewer.setCameraManipulator(new osgGA::TrackballManipulator());
 
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        viewer.addEventHandler( new osgGA::StateSetManipulator(viewer.getCamera()->getOrCreateStateSet()) );
 
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    viewer.addEventHandler(new osgViewer::ThreadingHandler);
 
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    viewer.addEventHandler(new osgViewer::WindowSizeHandler);
 
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    viewer.addEventHandler(new osgViewer::StatsHandler);
 
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        viewer.run();
 
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        return 0;
 
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}
 
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