[Graphics] Add utility functions

[Michael Goffioul]

OK, here's a more usable solution.

Michael.


2008-01-30 Michael Goffioul <michael.goffioul at gmail.com>

    * graphics.h.in (axes::properties::get_transform_matrix,
    axes::properties::get_inverse_transform_matrix,
    axes::properties::get_opengl_matrix_1,
    axes::properties::get_opengl_matrix_2,
    axes::properties::get_transform_zlim): New accessors.
    (base_properties::is_clipping): New accessor.
    (class graphics_xform): New class encapsulating
    axes transformation.
    (axes::properties::get_transform): New method returning
    a graphics_xform object.
    * graphics.cc (class graphics_xform): New class.


On Jan 30, 2008 12:05 PM, Michael Goffioul <michael.goffioul at gmail.com> wrote:
> Hold on this patch. It reveals not very handy. I'll
> propose another one soon.
>
> Michael.
>
>
>
> On Jan 30, 2008 11:18 AM, Michael Goffioul <michael.goffioul at gmail.com> wrote:
> > src/ChangeLog
> >
> > 2008-01-30  Michael Goffioul <michael.goffioul at gmail.com>
> >
> >    * graphics.h.in (axes::properties::transform,
> >    axes::properties::untransform): New utility methods.
> >    (axes::properties::get_transform_matrix,
> >    axes::properties::get_inverse_transform_matrix,
> >    axes::properties::get_opengl_matrix_1,
> >    axes::properties::get_opengl_matrix_2,
> >    axes::properties::get_transform_zlim): New accessors.
> >    * graphics.cc (axes::properties::transform,
> >    axes::properties::untransform): New utility methods.
> >
>
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