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Added --color r g b a, --wall-color r g b a, --back-color r g b a options for setting the colours of faces via materials.

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and --image filename, --wall-image filename, --back-image filename options to set the textures used, note, texcoords are not currently set up so texels used will be 0,0.
This commit is contained in:
Robert Osfield 2011-03-07 12:35:30 +00:00
parent 215fca84f7
commit 62459a441c
1 changed files with 89 additions and 78 deletions
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167
examples/osgtext3D/osgtext3D.cpp
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@ -17,82 +17,25 @@
*/ */
#include <osg/ArgumentParser> #include <osg/ArgumentParser>
#include <osg/Geode> #include <osg/Material>
#include <osg/Geometry>
#include <osg/CullFace>
#include <osg/TriangleIndexFunctor>
#include <osg/PositionAttitudeTransform> #include <osg/PositionAttitudeTransform>
#include <osgUtil/SmoothingVisitor> #include <osg/io_utils>
#include <osgDB/ReadFile>
#include <osgDB/WriteFile> #include <osgDB/WriteFile>
#include <osgGA/StateSetManipulator> #include <osgGA/StateSetManipulator>
#include <osgUtil/Tessellator>
#include <osgViewer/Viewer> #include <osgViewer/Viewer>
#include <osgViewer/ViewerEventHandlers> #include <osgViewer/ViewerEventHandlers>
#include <osg/io_utils>
#include <osgText/Text3D> #include <osgText/Text3D>
#include "TextNode.h" #include "TextNode.h"
extern int main_orig(int, char**);
extern int main_test(int, char**);
int main_size(int argc, char** argv)
{
osg::ArgumentParser arguments(&argc, argv);
osgViewer::Viewer viewer(arguments);
std::string fontFile("arial.ttf");
while(arguments.read("-f",fontFile)) {}
osg::ref_ptr<osgText::Font> font = osgText::readFontFile(fontFile);
if (!font) return 1;
OSG_NOTICE<<"Read font "<<fontFile<<" font="<<font.get()<<std::endl;
osg::Geode* geode = new osg::Geode;
geode->addDrawable( osg::createTexturedQuadGeometry(osg::Vec3(0.0f,0.0f,0.0f),osg::Vec3(1.0f,0.0,0.0),osg::Vec3(0.0f,0.0,1.0), 0.0, 0.0, 1.0, 1.0) );
osgText::Text3D* text3d = new osgText::Text3D;
text3d->setPosition(osg::Vec3(1.0f,0.0f,0.0f));
text3d->setFont(osgText::readFontFile("arial.ttf"));
text3d->setCharacterSizeMode(osgText::Text3D::OBJECT_COORDS);
text3d->setCharacterSize(1.0f);
text3d->setCharacterDepth(0.1f);
text3d->setAxisAlignment(osgText::Text3D::XZ_PLANE);
text3d->setText("This is a size test");
geode->addDrawable(text3d);
viewer.addEventHandler( new osgGA::StateSetManipulator(viewer.getCamera()->getOrCreateStateSet()) );
viewer.addEventHandler(new osgViewer::StatsHandler);
viewer.setSceneData(geode);
return viewer.run();
}
int main(int argc, char** argv) int main(int argc, char** argv)
{ {
osg::ArgumentParser arguments(&argc, argv); osg::ArgumentParser arguments(&argc, argv);
if (arguments.read("--test"))
{
return main_test(argc,argv);
}
else if (arguments.read("--original") || arguments.read("--orig"))
{
return main_orig(argc,argv);
}
else if (arguments.read("--size-test"))
{
return main_size(argc,argv);
}
osgViewer::Viewer viewer(arguments); osgViewer::Viewer viewer(arguments);
std::string fontFile("arial.ttf"); std::string fontFile("arial.ttf");
@ -125,11 +68,12 @@ int main(int argc, char** argv)
// set up outline. // set up outline.
while(arguments.read("--outline",r)) { style->setOutlineRatio(r); } while(arguments.read("--outline",r)) { style->setOutlineRatio(r); }
viewer.addEventHandler( new osgGA::StateSetManipulator(viewer.getCamera()->getOrCreateStateSet()) ); viewer.addEventHandler( new osgGA::StateSetManipulator(viewer.getCamera()->getOrCreateStateSet()) );
viewer.addEventHandler(new osgViewer::StatsHandler); viewer.addEventHandler(new osgViewer::StatsHandler);
#if 1 #if 1
osg::Geode* geode = new osg::Geode; osg::ref_ptr<osg::Group> group = new osg::Group;
float characterSize = 1.0f; float characterSize = 1.0f;
while(arguments.read("--size",characterSize)) {} while(arguments.read("--size",characterSize)) {}
@ -143,9 +87,24 @@ int main(int argc, char** argv)
text2D->setDrawMode(osgText::Text::TEXT | osgText::Text::BOUNDINGBOX); text2D->setDrawMode(osgText::Text::TEXT | osgText::Text::BOUNDINGBOX);
text2D->setAxisAlignment(osgText::Text::XZ_PLANE); text2D->setAxisAlignment(osgText::Text::XZ_PLANE);
text2D->setText(word); text2D->setText(word);
osg::Geode* geode = new osg::Geode;
geode->addDrawable(text2D); geode->addDrawable(text2D);
group->addChild(geode);
} }
if (!arguments.read("--no-3d"))
if (arguments.read("--TextNode"))
{
// experimental text node
osgText::TextNode* text = new osgText::TextNode;
text->setFont(font.get());
text->setStyle(style.get());
text->setTextTechnique(new osgText::TextTechnique);
text->setText(word);
text->update();
group->addChild(text);
}
else if (!arguments.read("--no-3d"))
{ {
osgText::Text3D* text3D = new osgText::Text3D; osgText::Text3D* text3D = new osgText::Text3D;
text3D->setFont(font.get()); text3D->setFont(font.get());
@ -154,24 +113,76 @@ int main(int argc, char** argv)
text3D->setDrawMode(osgText::Text3D::TEXT | osgText::Text3D::BOUNDINGBOX); text3D->setDrawMode(osgText::Text3D::TEXT | osgText::Text3D::BOUNDINGBOX);
text3D->setAxisAlignment(osgText::Text3D::XZ_PLANE); text3D->setAxisAlignment(osgText::Text3D::XZ_PLANE);
text3D->setText(word); text3D->setText(word);
geode->addDrawable(text3D);
}
if (arguments.read("--size-quad")) osg::Geode* geode = new osg::Geode;
{ geode->addDrawable(text3D);
geode->addDrawable( osg::createTexturedQuadGeometry(osg::Vec3(0.0f,characterSize*thickness,0.0f),osg::Vec3(characterSize,0.0,0.0),osg::Vec3(0.0f,0.0,characterSize), 0.0, 0.0, 1.0, 1.0) ); group->addChild(geode);
osg::Vec4 color(1.0f, 1.0f, 1.0f, 1.0f);
while(arguments.read("--color",color.r(),color.g(),color.b(),color.a()))
{
OSG_NOTICE<<"--color "<<color<<std::endl;
text3D->setColor(color);
}
std::string imageFilename;
while(arguments.read("--image",imageFilename))
{
OSG_NOTICE<<"--image "<<imageFilename<<std::endl;
osg::ref_ptr<osg::Image> image = osgDB::readImageFile(imageFilename);
if (image.valid())
{
OSG_NOTICE<<" loaded image "<<imageFilename<<std::endl;
osg::StateSet* stateset = text3D->getOrCreateStateSet();
stateset->setTextureAttributeAndModes(0, new osg::Texture2D(image.get()), osg::StateAttribute::ON);
}
}
while(arguments.read("--wall-color",color.r(),color.g(),color.b(),color.a()))
{
osg::StateSet* stateset = text3D->getOrCreateWallStateSet();
osg::Material* material = new osg::Material;
material->setDiffuse(osg::Material::FRONT_AND_BACK, color);
stateset->setAttribute(material);
}
while(arguments.read("--wall-image",imageFilename))
{
osg::ref_ptr<osg::Image> image = osgDB::readImageFile(imageFilename);
if (image.valid())
{
osg::StateSet* stateset = text3D->getOrCreateWallStateSet();
stateset->setTextureAttributeAndModes(0, new osg::Texture2D(image.get()), osg::StateAttribute::ON);
}
}
while(arguments.read("--back-color",color.r(),color.g(),color.b(),color.a()))
{
osg::StateSet* stateset = text3D->getOrCreateBackStateSet();
osg::Material* material = new osg::Material;
material->setDiffuse(osg::Material::FRONT_AND_BACK, color);
stateset->setAttribute(material);
}
while(arguments.read("--back-image",imageFilename))
{
osg::ref_ptr<osg::Image> image = osgDB::readImageFile(imageFilename);
if (image.valid())
{
osg::StateSet* stateset = text3D->getOrCreateBackStateSet();
stateset->setTextureAttributeAndModes(0, new osg::Texture2D(image.get()), osg::StateAttribute::ON);
}
}
if (arguments.read("--size-quad"))
{
geode->addDrawable( osg::createTexturedQuadGeometry(osg::Vec3(0.0f,characterSize*thickness,0.0f),osg::Vec3(characterSize,0.0,0.0),osg::Vec3(0.0f,0.0,characterSize), 0.0, 0.0, 1.0, 1.0) );
}
} }
viewer.setSceneData(geode); viewer.setSceneData(group.get());
#else
osgText::TextNode* text = new osgText::TextNode;
text->setFont(font.get());
text->setStyle(style.get());
text->setTextTechnique(new osgText::TextTechnique);
text->setText(word);
text->update();
viewer.setSceneData(text);
#endif #endif
return viewer.run(); return viewer.run();