FGFS-4.1/OpenSceneGraph
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Added support for multibuffering of tex coordinates.

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This commit is contained in:
Robert Osfield
2003-05-06 13:13:31 +00:00
parent 6c60fa233e
commit 06054d9520
8 changed files with 268 additions and 159 deletions
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72
include/osgText/Text
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@@ -165,10 +165,14 @@ public:
void setAxisAlignment(AxisAlignment axis);
void setRotation(const osg::Quat& quat);
const osg::Quat& getRotation() const { return _rotation; }
void setRotation(unsigned int contextID, const osg::Quat& quat);
const osg::Quat& getRotation(unsigned int contextID=0) const { return _rotation[contextID]; }
void setScale(float scale);
float getScale() const { return _scale; }
void setScale(unsigned int contextID, float scale);
float getScale(unsigned int contextID=0) const { return _scale[contextID]; }
void setScaleAndRotation(unsigned int contextID, float scale,const osg::Quat& quat);
void setAutoUpdateEyeMovementTolerance(float tolerance) { _autoUpdateEyeMovementTolerance = tolerance; }
float getAutoUpdateEyeMovementTolerance() const { return _autoUpdateEyeMovementTolerance; }
@@ -176,8 +180,8 @@ public:
void setAutoRotateToScreen(bool autoRotateToScreen);
bool getAutoRotateToScreen() const { return _autoRotateToScreen; }
void setAutoScaleToScreen(bool autoScaleToScreen);
bool getAutoScaleToScreen() const { return _autoScaleToScreen; }
void setAutoScaleToLimitScreenSizeToFontResolution(bool autoScaleToScreen);
bool getAutoScaleToLimitScreenSizeToFontResolution() const { return _autoScaleToLimitScreenSizeToFontResolution; }
@@ -244,10 +248,10 @@ public:
typedef std::vector<osg::Vec3> Coords3;
typedef std::vector<osg::Vec2> TexCoords;
Glyphs _glyphs;
Coords2 _coords;
Coords3 _transformedCoords;
TexCoords _texcoords;
Glyphs _glyphs;
Coords2 _coords;
osg::buffered_object<Coords3> _transformedCoords;
TexCoords _texcoords;
Glyphs getGlyphs() { return _glyphs; }
const Glyphs getGlyphs() const { return _glyphs; }
@@ -256,8 +260,8 @@ public:
Coords2& getCoords() { return _coords; }
const Coords2& getCoords() const { return _coords; }
Coords3& getTransformedCoords() { return _transformedCoords; }
const Coords3& getTransformedCoords() const { return _transformedCoords; }
Coords3& getTransformedCoords(unsigned int contexID) { return _transformedCoords[contexID]; }
const Coords3& getTransformedCoords(unsigned int contexID) const { return _transformedCoords[contexID]; }
TexCoords& getTexCoords() { return _texcoords; }
const TexCoords& getTexCoords() const { return _texcoords; }
@@ -286,40 +290,40 @@ protected:
// members which have public access.
osg::ref_ptr<Font> _font;
unsigned int _fontWidth;
unsigned int _fontHeight;
float _characterHeight;
float _characterAspectRatio;
float _maximumWidth;
float _maximumHeight;
osg::ref_ptr<Font> _font;
unsigned int _fontWidth;
unsigned int _fontHeight;
float _characterHeight;
float _characterAspectRatio;
float _maximumWidth;
float _maximumHeight;
String _text;
osg::Vec3 _position;
AlignmentType _alignment;
osg::Quat _rotation;
float _scale;
float _autoUpdateEyeMovementTolerance;
bool _autoRotateToScreen;
bool _autoScaleToScreen;
Layout _layout;
osg::Vec4 _color;
unsigned int _drawMode;
String _text;
osg::Vec3 _position;
AlignmentType _alignment;
mutable osg::buffered_object<osg::Quat> _rotation;
mutable osg::buffered_value<float> _scale;
float _autoUpdateEyeMovementTolerance;
bool _autoRotateToScreen;
bool _autoScaleToLimitScreenSizeToFontResolution;
Layout _layout;
osg::Vec4 _color;
unsigned int _drawMode;
// iternal map used for rendering. Set up by the computeGlyphRepresentation() method.
TextureGlyphQuadMap _textureGlyphQuadMap;
TextureGlyphQuadMap _textureGlyphQuadMap;
void computeGlyphRepresentation();
// internal caches of the positioning of the text.
osg::Matrix _matrix;
osg::Vec3 _offset;
osg::Vec3 _normal;
mutable osg::BoundingBox _textBB;
mutable osg::buffered_object<osg::Matrix> _matrix;
osg::Vec3 _offset;
osg::Vec3 _normal;
mutable osg::BoundingBox _textBB;
void setUpAutoCallback();
void computePositions();
void computePositions(unsigned int contextID);
};