... so nobody have ever faced problems with bad text proportion when
using SCREEN_COORDS for CharacterSize?
----- PŮVODNÍ ZPRÁVA -----
Od: [EMAIL PROTECTED]
Komu: osg-users@lists.openscenegraph.org
Předmět: [osg-users] Text - SCREEN_COORDS
Datum: 19.8.2007 - 17:50:14
> Hi,
> I would like to display text with constant size in
> pixels, so I have
> used CharacterSizeMode as in the simple code sample
> below:
>
> ///////////////// code start
> #include <osg/ref_ptr>
> #include <iostream>
> #include <osg/Geode>
> #include <osgText/Text>
> #include <osgText/Font>
> #include <osgViewer/Viewer>
>
> osg::ref_ptr<osg::Node> createSceneGraph() {
> //this create geode with text "C++"
> osg::ref_ptr<osg::Geode> textGeode = new osg::Geode;
> osg::ref_ptr<osgText::Font> font = osgText::readFontFile("fonts/arial.ttf");
> >
> osg::ref_ptr<osgText::Text> text = new osgText::Text;
> text->setFont(font.get());
> text->setFontResolution(256,256);
> text->setText("C++");
> text->setAxisAlignment(osgText::Text::SCREEN);
> text->setCharacterSize(500);
>
> //this is the problem
> text->setCharacterSizeMode(osgText::Text::SCREEN_COORDS);
>
> textGeode->addDrawable(text.get());
> return textGeode.get();
> }
>
> int main(int, char **) {
> osg::ref_ptr<osg::Node> root = createSceneGraph();
> osgViewer::Viewer viewer;
> viewer.setUpViewInWindow(0,0,1000,300);
> viewer.setSceneData(root.get());
> return viewer.run();
> }
> ///////////////// code end
>
> But the problem is that the text is contracted. It
> has right proportion
> only when I use squere window. I could see the same
> efect also with
> the osgtext example (more clearly if you use higher
> aspect ratio window).
> I am using widescreen display but it should be no problem.
> Did I forgot something or is it standart behaviour
> when using SCREEN_COORDS?
> And also the real text size is not what I requested
> (500 pixels).
>
> Here is image of the sample window:
> http://www.cotopaxi.cz/m/text.jpg
>
> Thank you,
>
> Martin
>
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