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/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
*
* This library is open source and may be redistributed and/or modified under
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
* (at your option) any later version. The full license is in LICENSE file
* included with this distribution, and on the openscenegraph.org website.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* OpenSceneGraph Public License for more details.
*/
#ifndef OSG_SHAPEDRAWABLE
#define OSG_SHAPEDRAWABLE 1
#include <osg/Geometry>
namespace osg {
/** Allow the use of <tt>Shape</tt>s as <tt>Drawable</tt>s, so that they can
* be rendered with reduced effort. The implementation of \c ShapeDrawable is
* not geared to efficiency; it's better to think of it as a convenience to
* render <tt>Shape</tt>s easily (perhaps for test or debugging purposes) than
* as the right way to render basic shapes in some efficiency-critical section
* of code.
*/
class OSG_EXPORT ShapeDrawable : public osg::Geometry
{
public:
ShapeDrawable();
ShapeDrawable(Shape* shape, TessellationHints* hints=0);
template<class T> ShapeDrawable(const ref_ptr<T>& shape, TessellationHints* hints=0):
_tessellationHints(hints) { setShape(shape.get()); }
/** Copy constructor using CopyOp to manage deep vs shallow copy.*/
ShapeDrawable(const ShapeDrawable& pg,const CopyOp& copyop=CopyOp::SHALLOW_COPY);
virtual Object* cloneType() const { return new ShapeDrawable(); }
virtual Object* clone(const CopyOp& copyop) const { return new ShapeDrawable(*this,copyop); }
virtual bool isSameKindAs(const Object* obj) const { return dynamic_cast<const ShapeDrawable*>(obj)!=NULL; }
virtual const char* libraryName() const { return "osg"; }
virtual const char* className() const { return "ShapeDrawable"; }
virtual void setShape(Shape* shape);
/** Set the color of the shape.*/
void setColor(const Vec4& color);
/** Get the color of the shape.*/
const Vec4& getColor() const { return _color; }
void setTessellationHints(TessellationHints* hints);
TessellationHints* getTessellationHints() { return _tessellationHints.get(); }
const TessellationHints* getTessellationHints() const { return _tessellationHints.get(); }
/** method to invoke to rebuild the geometry that renders the shape.*/
void build();
protected:
ShapeDrawable& operator = (const ShapeDrawable&) { return *this;}
virtual ~ShapeDrawable();
Vec4 _color;
ref_ptr<TessellationHints> _tessellationHints;
};
}
#endif
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