2cd31f65e4
mostly non-user-facing but some doxy.
150 lines
5.5 KiB
C++
150 lines
5.5 KiB
C++
/* -*-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 OSGTEXT_TEXT3D
|
|
#define OSGTEXT_TEXT3D 1
|
|
|
|
|
|
#include <osgText/TextBase>
|
|
#include <osgText/Style>
|
|
|
|
namespace osgText {
|
|
|
|
|
|
class OSGTEXT_EXPORT Text3D : public osgText::TextBase
|
|
{
|
|
public:
|
|
|
|
/** Deprecated.*/
|
|
enum RenderMode
|
|
{
|
|
PER_FACE,
|
|
PER_GLYPH
|
|
};
|
|
|
|
Text3D();
|
|
Text3D(const Text3D& text,const osg::CopyOp& copyop=osg::CopyOp::SHALLOW_COPY);
|
|
|
|
META_Object(osgText,Text3D)
|
|
|
|
/** Get the Charactere Depth of text. */
|
|
float getCharacterDepth() const;
|
|
|
|
/** Set the Charactere Depth of text. */
|
|
void setCharacterDepth(float characterDepth);
|
|
|
|
/** Deprecated, value is now ignored. */
|
|
RenderMode getRenderMode() const { return _renderMode; }
|
|
/** Deprecated, value is now ignored. */
|
|
void setRenderMode(RenderMode renderMode) { _renderMode = renderMode; }
|
|
|
|
|
|
/** Get the wall StateSet */
|
|
osg::StateSet* getWallStateSet() { return _wallStateSet.get(); }
|
|
/** Get the wall StateSet */
|
|
const osg::StateSet* getWallStateSet() const { return _wallStateSet.get(); }
|
|
/** Get or create the wall StateSet */
|
|
osg::StateSet* getOrCreateWallStateSet()
|
|
{
|
|
if (_wallStateSet.valid() == false) _wallStateSet = new osg::StateSet;
|
|
return _wallStateSet.get();
|
|
}
|
|
/** Set the wall StateSet */
|
|
void setWallStateSet(osg::StateSet* wallStateSet) { _wallStateSet = wallStateSet; }
|
|
|
|
/** Get the back StateSet */
|
|
osg::StateSet* getBackStateSet() { return _backStateSet.get(); }
|
|
/** Get the back StateSet */
|
|
osg::StateSet* getBackStateSet() const { return _backStateSet.get(); }
|
|
/** Get or create the back StateSet */
|
|
osg::StateSet* getOrCreateBackStateSet() { if (_backStateSet.valid() == false) _backStateSet = new osg::StateSet; return _backStateSet.get(); }
|
|
/** Set the back StateSet */
|
|
void setBackStateSet(osg::StateSet* backStateSet) { _backStateSet = backStateSet; }
|
|
|
|
|
|
|
|
/** Draw the text.*/
|
|
virtual void drawImplementation(osg::RenderInfo& renderInfo) const;
|
|
|
|
/** return false, osgText::Text does not support accept(AttributeFunctor&).*/
|
|
virtual bool supports(const osg::Drawable::AttributeFunctor&) const { return false; }
|
|
|
|
/** return true, osgText::Text does support accept(ConstAttributeFunctor&).*/
|
|
virtual bool supports(const osg::Drawable::ConstAttributeFunctor&) const { return false; }
|
|
|
|
/** accept an ConstAttributeFunctor and call its methods to tell it about the internal attributes that this Drawable has.*/
|
|
virtual void accept(osg::Drawable::ConstAttributeFunctor& af) const;
|
|
|
|
/** return true, osgText::Text does support accept(PrimitiveFunctor&) .*/
|
|
virtual bool supports(const osg::PrimitiveFunctor&) const { return false; }
|
|
|
|
/** accept a PrimtiveFunctor and call its methods to tell it about the internal primtives that this Drawable has.*/
|
|
virtual void accept(osg::PrimitiveFunctor& pf) const;
|
|
|
|
/** Resize any per context GLObject buffers to specified size. */
|
|
virtual void resizeGLObjectBuffers(unsigned int maxSize);
|
|
|
|
/** If State is non-zero, this function releases OpenGL objects for
|
|
* the specified graphics context. Otherwise, releases OpenGL objexts
|
|
* for all graphics contexts. */
|
|
virtual void releaseGLObjects(osg::State* state=0) const;
|
|
|
|
// make Font a friend to allow it set the _font to 0 if the font is
|
|
// forcefully unloaded.
|
|
friend class Font;
|
|
|
|
virtual osg::BoundingBox computeBoundingBox() const;
|
|
|
|
|
|
protected:
|
|
|
|
virtual ~Text3D() {}
|
|
|
|
String::iterator computeLastCharacterOnLine(osg::Vec2& cursor, String::iterator first,String::iterator last);
|
|
|
|
void computeGlyphRepresentation();
|
|
|
|
void copyAndOffsetPrimitiveSets(osg::Geometry::PrimitiveSetList& dest_PrimitiveSetList, osg::Geometry::PrimitiveSetList& src_PrimitiveSetList, unsigned int offset);
|
|
|
|
osg::Geometry::PrimitiveSetList _frontPrimitiveSetList;
|
|
osg::Geometry::PrimitiveSetList _wallPrimitiveSetList;
|
|
osg::Geometry::PrimitiveSetList _backPrimitiveSetList;
|
|
|
|
// ** glyph and other information to render the glyph
|
|
struct GlyphRenderInfo
|
|
{
|
|
GlyphRenderInfo(GlyphGeometry* glyphGeometry, osg::Vec3 & pos):
|
|
_glyphGeometry(glyphGeometry),
|
|
_position(pos) {}
|
|
|
|
osg::ref_ptr<GlyphGeometry> _glyphGeometry;
|
|
osg::Vec3 _position;
|
|
};
|
|
|
|
typedef std::vector<GlyphRenderInfo> LineRenderInfo;
|
|
typedef std::vector<LineRenderInfo> TextRenderInfo;
|
|
|
|
TextRenderInfo _textRenderInfo;
|
|
|
|
// deprecated value no longer used.
|
|
RenderMode _renderMode;
|
|
|
|
osg::ref_ptr<osg::StateSet> _wallStateSet;
|
|
osg::ref_ptr<osg::StateSet> _backStateSet;
|
|
};
|
|
|
|
}
|
|
|
|
|
|
#endif
|