Hi Ufuk; Compress word doesn't define your expected operation very well. This operation's name is Mipmapping. You should generate automatic mipmapping for your texture in runtime and the you can choose any resolution you have created to use your program.
Regards. Ümit Uzun 2009/8/20 Ufuk <[email protected]> > is there any function that compress image in osg? > for example i have an 256x256 image and i want to compress it to 128x128 or > 64x64... > > i checked for osg::Image::scaleImage() but it did not change the > resolution.. maybe i did something wrong? > > Here is the code: > > > /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// > void simUtil::SimImageUtils::scaleAndSaveImage( osg::Image* image, float > scaleFactor, const std::string& filename ) > { > osg::ref_ptr<osg::Image> cImage = new osg::Image(*image); > > cImage->scaleImage(image->s() * scaleFactor, image->t() * scaleFactor, > image->r() * scaleFactor); > > osgDB::writeImageFile(*image, filename); > } > > /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// > > -- > Ufuk > > _______________________________________________ > osg-users mailing list > [email protected] > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > >
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