FGFS-4.1/OpenSceneGraph
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Don BURNS
2003-06-24 15:40:09 +00:00
parent 5a939f5420
commit 15f88f35b2
91 changed files with 2871 additions and 1937 deletions
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66
include/osgText/Text
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@@ -100,6 +100,18 @@ public:
float getCharacterHeight() const { return _characterHeight; }
float getCharacterAspectRatio() const { return _characterAspectRatio; }
enum CharacterSizeMode
{
OBJECT_COORDS, /// default
SCREEN_COORDS, /// internally scale the characters to be constant screen size.
OBJECT_COORDS_WITH_MAXIMUM_SCREEN_SIZE_CAPPED_BY_FONT_HEIGHT /// text that behavaves like OBJECT_COORDS sized text when a long distance way, but has its screen sized capped automatically when the viewer gets near.
};
/** Set how the CharacterSize value relates to the final rendered character.*/
void setCharacterSizeMode(CharacterSizeMode mode) { _characterSizeMode = mode; }
/** Get the CharacterSizeMode.*/
CharacterSizeMode getCharacterSizeMode() const { return _characterSizeMode; }
/** Set the maximum width of the text box.
@@ -165,27 +177,11 @@ public:
void setAxisAlignment(AxisAlignment axis);
void setRotation(const osg::Quat& quat);
void setRotation(unsigned int contextID, const osg::Quat& quat);
const osg::Quat& getRotation(unsigned int contextID=0) const { return _rotation[contextID]; }
const osg::Quat& getRotation() const { return _rotation; }
void setScale(float 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; }
void setAutoRotateToScreen(bool autoRotateToScreen);
bool getAutoRotateToScreen() const { return _autoRotateToScreen; }
void setAutoScaleToLimitScreenSizeToFontResolution(bool autoScaleToScreen);
bool getAutoScaleToLimitScreenSizeToFontResolution() const { return _autoScaleToLimitScreenSizeToFontResolution; }
enum Layout
{
LEFT_TO_RIGHT, /// default
@@ -295,35 +291,49 @@ protected:
unsigned int _fontHeight;
float _characterHeight;
float _characterAspectRatio;
CharacterSizeMode _characterSizeMode;
float _maximumWidth;
float _maximumHeight;
String _text;
osg::Vec3 _position;
AlignmentType _alignment;
mutable osg::buffered_object<osg::Quat> _rotation;
mutable osg::buffered_value<float> _scale;
float _autoUpdateEyeMovementTolerance;
osg::Quat _rotation;
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;
mutable TextureGlyphQuadMap _textureGlyphQuadMap;
void computeGlyphRepresentation();
// internal caches of the positioning of the text.
mutable osg::buffered_object<osg::Matrix> _matrix;
osg::Vec3 _offset;
osg::Vec3 _normal;
mutable osg::BoundingBox _textBB;
struct AutoTransformCache
{
AutoTransformCache():
_traversalNumber(-1),
_width(0),
_height(0) {}
int _traversalNumber;
int _width;
int _height;
osg::Vec3 _transformedPosition;
osg::Matrix _modelview;
osg::Matrix _projection;
osg::Matrix _matrix;
};
mutable osg::buffered_object<AutoTransformCache> _autoTransformCache;
mutable osg::Vec3 _offset;
mutable osg::Vec3 _normal;
mutable osg::BoundingBox _textBB;
void setUpAutoCallback();
void computePositions();
void computePositions(unsigned int contextID);
void computePositions(unsigned int contextID) const;
};