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Added dynamic update of Text3D test

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This commit is contained in:
Konstantin Matveyev 2017-04-06 10:51:47 +01:00 committed by Robert Osfield
parent 977bd22e36
commit 0f04d2f032
1 changed files with 51 additions and 0 deletions
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51
examples/osgtext3D/osgtext3D.cpp
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@ -31,6 +31,51 @@
#include "TextNode.h"
class Text3DAttributeHandler : public osgGA::GUIEventHandler
{
public:
Text3DAttributeHandler(osgText::Text3D* aText3D)
: m_Text3D(aText3D)
{
}
~Text3DAttributeHandler()
{
}
virtual bool handle(const osgGA::GUIEventAdapter& ea, osgGA::GUIActionAdapter& aa)
{
if (ea.getEventType() == osgGA::GUIEventAdapter::KEYUP)
{
if (ea.getKey() == osgGA::GUIEventAdapter::KEY_Up)
{
m_Text3D->setCharacterSize(m_Text3D->getCharacterHeight() + 0.1); // failed
OSG_NOTICE<<"m_Text3D->getCharacterHeight()="<<m_Text3D->getCharacterHeight()<<std::endl;
}
else if (ea.getKey() == osgGA::GUIEventAdapter::KEY_Down)
{
m_Text3D->setCharacterDepth(m_Text3D->getCharacterDepth() + 0.1); // ok
OSG_NOTICE<<"m_Text3D->getCharacterDepth()="<<m_Text3D->getCharacterDepth()<<std::endl;
}
else if (ea.getKey() == osgGA::GUIEventAdapter::KEY_Left)
{
m_Text3D->setText("setText\nworks!", osgText::String::ENCODING_UTF8); // ok
OSG_NOTICE<<"m_Text3D->getText()="<<m_Text3D->getText().size()<<std::endl;
}
else if (ea.getKey() == osgGA::GUIEventAdapter::KEY_Right)
{
m_Text3D->setLineSpacing(m_Text3D->getLineSpacing() + 0.1);
OSG_NOTICE<<"m_Text3D->getLineSpacing()="<<m_Text3D->getLineSpacing()<<std::endl;
}
}
return false;
}
private:
osgText::Text3D* m_Text3D;
};
int main(int argc, char** argv)
{
@ -117,6 +162,10 @@ int main(int argc, char** argv)
else if (!arguments.read("--no-3d"))
{
osgText::Text3D* text3D = new osgText::Text3D;
// Does not help
text3D->setDataVariance(osg::Object::DYNAMIC);
text3D->setFont(font.get());
text3D->setStyle(style.get());
text3D->setCharacterSize(characterSize);
@ -188,6 +237,8 @@ int main(int argc, char** argv)
{
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.addEventHandler(new Text3DAttributeHandler(text3D));
}