145 lines
5.1 KiB
C++
145 lines
5.1 KiB
C++
/* OpenSceneGraph example, osgtext.
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
* of this software and associated documentation files (the "Software"), to deal
|
|
* in the Software without restriction, including without limitation the rights
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
* copies of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
* THE SOFTWARE.
|
|
*/
|
|
|
|
|
|
#include <osgViewer/Viewer>
|
|
#include <osgViewer/ViewerEventHandlers>
|
|
#include <osgDB/ReadFile>
|
|
|
|
#include <osgGA/TrackballManipulator>
|
|
#include <osgGA/StateSetManipulator>
|
|
|
|
#include <osg/Geode>
|
|
#include <osg/Geometry>
|
|
#include <osg/Material>
|
|
#include <osg/Shape>
|
|
#include <osg/ShapeDrawable>
|
|
#include <osgText/Text3D>
|
|
|
|
#include <iostream>
|
|
#include <sstream>
|
|
|
|
|
|
|
|
// create text which sits in 3D space such as would be inserted into a normal model
|
|
osg::Group* create3DText(const osg::Vec3& center,float radius)
|
|
{
|
|
|
|
osg::Geode* geode = new osg::Geode;
|
|
|
|
////////////////////////////////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// Examples of how to set up axis/orientation alignments
|
|
//
|
|
|
|
float characterSize=radius*0.2f;
|
|
float characterDepth=characterSize*0.2f;
|
|
|
|
osg::Vec3 pos(center.x()-radius*.5f,center.y()-radius*.5f,center.z()-radius*.5f);
|
|
|
|
osgText::Text3D* text1 = new osgText::Text3D;
|
|
text1->setFont("fonts/arial.ttf");
|
|
text1->setCharacterSize(characterSize);
|
|
text1->setCharacterDepth(characterDepth);
|
|
text1->setPosition(pos);
|
|
text1->setDrawMode(osgText::Text3D::TEXT | osgText::Text3D::BOUNDINGBOX);
|
|
text1->setAxisAlignment(osgText::Text3D::XY_PLANE);
|
|
text1->setText("XY_PLANE");
|
|
geode->addDrawable(text1);
|
|
|
|
osgText::Text3D* text2 = new osgText::Text3D;
|
|
text2->setFont("fonts/times.ttf");
|
|
text2->setCharacterSize(characterSize);
|
|
text2->setCharacterDepth(characterDepth);
|
|
text2->setPosition(pos);
|
|
text2->setDrawMode(osgText::Text3D::TEXT | osgText::Text3D::BOUNDINGBOX);
|
|
text2->setAxisAlignment(osgText::Text3D::YZ_PLANE);
|
|
text2->setText("YZ_PLANE");
|
|
geode->addDrawable(text2);
|
|
|
|
osgText::Text3D* text3 = new osgText::Text3D;
|
|
text3->setFont("fonts/dirtydoz.ttf");
|
|
text3->setCharacterSize(characterSize);
|
|
text3->setCharacterDepth(characterDepth);
|
|
text3->setPosition(pos);
|
|
text3->setDrawMode(osgText::Text3D::TEXT | osgText::Text3D::BOUNDINGBOX);
|
|
text3->setAxisAlignment(osgText::Text3D::XZ_PLANE);
|
|
text3->setText("XZ_PLANE");
|
|
geode->addDrawable(text3);
|
|
|
|
osg::ref_ptr<osgText::Style> style = new osgText::Style;
|
|
osg::ref_ptr<osgText::Bevel> bevel = new osgText::Bevel;
|
|
bevel->roundedBevel2(0.25);
|
|
style->setBevel(bevel.get());
|
|
style->setWidthRatio(0.4f);
|
|
|
|
osgText::Text3D* text7 = new osgText::Text3D;
|
|
text7->setFont("fonts/times.ttf");
|
|
text7->setStyle(style.get());
|
|
text7->setCharacterSize(characterSize);
|
|
text7->setCharacterDepth(characterSize*0.2f);
|
|
text7->setPosition(center - osg::Vec3(0.0, 0.0, 0.6));
|
|
text7->setDrawMode(osgText::Text3D::TEXT | osgText::Text3D::BOUNDINGBOX);
|
|
text7->setAxisAlignment(osgText::Text3D::SCREEN);
|
|
text7->setCharacterSizeMode(osgText::Text3D::OBJECT_COORDS);
|
|
text7->setText("CharacterSizeMode OBJECT_COORDS (default)");
|
|
geode->addDrawable(text7);
|
|
|
|
osg::ShapeDrawable* shape = new osg::ShapeDrawable(new osg::Sphere(center,characterSize*0.2f));
|
|
shape->getOrCreateStateSet()->setMode(GL_LIGHTING,osg::StateAttribute::ON);
|
|
geode->addDrawable(shape);
|
|
|
|
osg::Group* rootNode = new osg::Group;
|
|
rootNode->addChild(geode);
|
|
|
|
osg::Material* front = new osg::Material;
|
|
front->setAlpha(osg::Material::FRONT_AND_BACK,1);
|
|
front->setAmbient(osg::Material::FRONT_AND_BACK,osg::Vec4(0.2,0.2,0.2,1.0));
|
|
front->setDiffuse(osg::Material::FRONT_AND_BACK,osg::Vec4(.0,.0,1.0,1.0));
|
|
rootNode->getOrCreateStateSet()->setAttributeAndModes(front);
|
|
|
|
|
|
return rootNode;
|
|
}
|
|
|
|
int main_orig(int, char**)
|
|
{
|
|
osgViewer::Viewer viewer;
|
|
|
|
osg::Vec3 center(0.0f,0.0f,0.0f);
|
|
float radius = 1.0f;
|
|
|
|
osg::Group* root = new osg::Group;
|
|
root->addChild(create3DText(center, radius));
|
|
|
|
viewer.setSceneData(root);
|
|
viewer.setCameraManipulator(new osgGA::TrackballManipulator());
|
|
viewer.addEventHandler( new osgGA::StateSetManipulator(viewer.getCamera()->getOrCreateStateSet()) );
|
|
|
|
viewer.addEventHandler(new osgViewer::ThreadingHandler);
|
|
viewer.addEventHandler(new osgViewer::WindowSizeHandler);
|
|
viewer.addEventHandler(new osgViewer::StatsHandler);
|
|
|
|
|
|
viewer.run();
|
|
|
|
return 0;
|
|
}
|
|
|
|
|