FGFS-4.1/OpenSceneGraph
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Made osg::Viewport::getViewport(..) const.

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This commit is contained in:
Robert Osfield
2002-05-02 22:02:14 +00:00
parent ae8076f83b
commit 0977f0de57
1 changed files with 2 additions and 2 deletions
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include/osg/Viewport
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@@ -55,7 +55,7 @@ class SG_EXPORT Viewport : public StateAttribute
_height = height;
}
void getViewport(int& x,int& y,int& width,int& height)
void getViewport(int& x,int& y,int& width,int& height) const
{
x = _x;
y = _y;
@@ -78,7 +78,7 @@ class SG_EXPORT Viewport : public StateAttribute
* To converted local coodinates into window coordinates use v_window = v_local * MVPW matrix,
* where the MVPW matrix is ModelViewMatrix * ProjectionMatrix * WindowMatrix, the later supplied by
* viewport::computeWindowMatrix(), the ModelView and Projection Matrix can either be sourced from the
* curre osg::State object, via osgUtil::SceneView or CullVisitor.*/
* current osg::State object, via osgUtil::SceneView or CullVisitor.*/
inline const osg::Matrix computeWindowMatrix() const
{
return osg::Matrix::translate(1.0f,1.0f,1.0f)*osg::Matrix::scale(0.5f*width(),0.5f*height(),0.5f);