[osg-users] How do I flip the texture coordinates of an Image object?

[mirr...@gmail.com]

Win10  GTX3.x  osg3.6.4
// test for read image
osg::ref_ptr<osg::Texture2D> texture2d = new osg::Texture2D;
osg::ref_ptr<osg::Image> img = new osg::Image;
img=osgDB::readImageFile("C:\\Users\\Public\\Pictures\\Sample 
Pictures\\Tulips.jpg");
osg::ref_ptr<osg::Image> img2 = new osg::Image;
img2->setImage(img->s(),img->t(),img->r(),img->getInternalTextureFormat(),img->getPixelFormat(),img->getDataType(),img->data(),img->getAllocationMode());
osgDB::writeImageFile(*img2,"img2.jpg");
osgDB::writeImageFile(*img,"abc.jpg");
texture2d->setImage(img);

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