[vtkusers] Bugfix and new feature for vtkCaptionActor2D

[Mathieu Malaterre]

Vladan,

	Thanks a lot for the patch. If it succesfully passes our test suite, 
I'll merge it into VTK CVS.
	I'll have a look also to your suggested patch, too.

Thanks again,
Mathieu

Vladan Bato wrote:
> Hi,
> 
> I'm attaching two patches for vtkCaptionActor2D.
> 
> The first one (vtkCaptionActor2D.patch1) fixes a bug when using 
> viewports (see <http://www.vtk.org/Bug/bug.php?op=show&bugid=558&pos=0>).
> I have also uploaded it in the bug-tracker.
> 
> The second one (vtkCaptionActor2D.patch2) adds a new feature: it adds 
> the option to draw a filled box behind the caption. This has been copied 
> from vtkLegendBoxActor.
> 
> There new boolean option is called Box and enables/disables the box, and 
> a also added a function called GetBoxProperty() that returns the 
> vtkProperty2D for the box and can be used to change its color (the 
> background of the caption).
> 
> N.B. The second patch depends on the first, so apply them in that order.
> 
> N.B. The patches are against rev. 1.23 of vtkCaptionActor2D.cxx and rev. 
> 1.11 of vtkCaptionActor2D.h (the latest revisions on the 4.2 branch).
> The patches can also be applied (with warnings, but it's ok) to the 
> latest revisions on the 4.4 branch and on the main trunk (I haven't 
> tested them, though).