OpenSceneGraph  3.2.0
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osgText::FadeText Class Reference
Inheritance diagram for osgText::FadeText:
Inheritance graph
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Public Member Functions

 FadeText ()
 
 FadeText (const Text &text, const osg::CopyOp &copyop=osg::CopyOp::SHALLOW_COPY)
 
 META_Object (osgText, FadeText) void setFadeSpeed(float fadeSpeed)
 Set the speed that the alpha value changes as the text is occluded or becomes visible. More...
 
float getFadeSpeed () const
 Get the speed that the alpha value changes. More...
 
virtual void drawImplementation (osg::RenderInfo &renderInfo) const
 Draw the text. More...
 
- Public Member Functions inherited from osgText::Text
 Text ()
 
 Text (const Text &text, const osg::CopyOp &copyop=osg::CopyOp::SHALLOW_COPY)
 
virtual osg::ObjectcloneType () const
 Clone the type of an object, with Object* return type. More...
 
virtual osg::Objectclone (const osg::CopyOp &copyop) const
 Clone an object, with Object* return type. More...
 
virtual bool isSameKindAs (const osg::Object *obj) const
 
virtual const char * className () const
 return the name of the object's class type. More...
 
virtual const char * libraryName () const
 return the name of the object's library. More...
 
virtual void setFont (Font *font=0)
 Set the Font to use to render the text. More...
 
virtual void setFont (osg::ref_ptr< Font > font)
 Set the Font to use to render the text. More...
 
virtual void setFont (const std::string &fontfile)
 Set the font, loaded from the specified front file, to use to render the text, setFont("") sets the use of the default font. More...
 
void setEnableDepthWrites (bool enable)
 Turns off writing to the depth buffer when rendering text. More...
 
bool getEnableDepthWrites () const
 
void setBackdropType (BackdropType type)
 BackdropType gives you a background shadow text behind your regular text. More...
 
BackdropType getBackdropType () const
 
void setBackdropOffset (float offset=0.07f)
 Sets the amount text is offset to create the backdrop/shadow effect. More...
 
void setBackdropOffset (float horizontal, float vertical)
 This overloaded version lets you specify the offset for the horizontal and vertical components separately. More...
 
float getBackdropHorizontalOffset () const
 
float getBackdropVerticalOffset () const
 
void setBackdropColor (const osg::Vec4 &color)
 This specifies the color of the backdrop text. More...
 
const osg::Vec4getBackdropColor () const
 
void setBackdropImplementation (BackdropImplementation implementation)
 This specifies the underlying backdrop rendering implementation. More...
 
BackdropImplementation getBackdropImplementation () const
 
void setColorGradientMode (ColorGradientMode mode)
 This sets different types of text coloring modes. More...
 
ColorGradientMode getColorGradientMode () const
 
void setColorGradientCorners (const osg::Vec4 &topLeft, const osg::Vec4 &bottomLeft, const osg::Vec4 &bottomRight, const osg::Vec4 &topRight)
 Used only for gradient mode, let's you specify the colors of the 4 corners. More...
 
const osg::Vec4getColorGradientTopLeft () const
 
const osg::Vec4getColorGradientBottomLeft () const
 
const osg::Vec4getColorGradientBottomRight () const
 
const osg::Vec4getColorGradientTopRight () const
 
virtual bool supports (const osg::Drawable::AttributeFunctor &) const
 return false, osgText::Text does not support accept(AttributeFunctor&). More...
 
virtual bool supports (const osg::Drawable::ConstAttributeFunctor &) const
 return true, osgText::Text does support accept(ConstAttributeFunctor&). More...
 
virtual void accept (osg::Drawable::ConstAttributeFunctor &af) const
 accept an ConstAttributeFunctor and call its methods to tell it about the internal attributes that this Drawable has. More...
 
virtual bool supports (const osg::PrimitiveFunctor &) const
 return true, osgText::Text does support accept(PrimitiveFunctor&) . More...
 
virtual void accept (osg::PrimitiveFunctor &pf) const
 accept a PrimtiveFunctor and call its methods to tell it about the internal primitives that this Drawable has. More...
 
virtual void setThreadSafeRefUnref (bool threadSafe)
 Set whether to use a mutex to ensure ref() and unref() are thread safe. More...
 
virtual void resizeGLObjectBuffers (unsigned int maxSize)
 Resize any per context GLObject buffers to specified size. More...
 
virtual void releaseGLObjects (osg::State *state=0) const
 If State is non-zero, this function releases OpenGL objects for the specified graphics context. More...
 
const GlyphQuadsgetGlyphQuads (GlyphTexture *texture) const
 Direct Access to GlyphQuads. More...
 
const TextureGlyphQuadMapgetTextureGlyphQuadMap () const
 
- Public Member Functions inherited from osgText::TextBase
 TextBase ()
 
 TextBase (const TextBase &text, const osg::CopyOp &copyop=osg::CopyOp::SHALLOW_COPY)
 
void setColor (const osg::Vec4 &color)
 
const osg::Vec4getColor () const
 
const FontgetFont () const
 Get the font. More...
 
void setStyle (Style *style)
 Set the text style. More...
 
StylegetStyle ()
 Get the text style. More...
 
const StylegetStyle () const
 Get the const text style. More...
 
StylegetOrCreateStyle ()
 Get or create the text style. More...
 
void setFontResolution (unsigned int width, unsigned int height)
 Set the Font reference width and height resolution in texels. More...
 
unsigned int getFontWidth () const
 
unsigned int getFontHeight () const
 
void setText (const String &text)
 Set the text using a osgText::String. More...
 
void setText (const std::string &text)
 Set the text using a std::string, which is converted to an internal TextString. More...
 
void setText (const std::string &text, String::Encoding encoding)
 Set the text using a Unicode encoded std::string, which is converted to an internal TextString. More...
 
void setText (const wchar_t *text)
 Set the text using a wchar_t string, which is converted to an internal TextString. More...
 
StringgetText ()
 Get the text string. More...
 
const StringgetText () const
 Get the const text string. More...
 
void update ()
 update internal glyph respresentation used for rendering, and bounding volume. More...
 
void setCharacterSize (float height)
 Set the rendered character size in object coordinates. More...
 
void setCharacterSize (float height, float aspectRatio)
 Set the rendered character size in object coordinates. More...
 
float getCharacterHeight () const
 
float getCharacterAspectRatio () const
 
void setCharacterSizeMode (CharacterSizeMode mode)
 Set how the CharacterSize value relates to the final rendered character. More...
 
CharacterSizeMode getCharacterSizeMode () const
 Get the CharacterSizeMode. More...
 
void setMaximumWidth (float maximumWidth)
 Set the maximum width of the text box. More...
 
float getMaximumWidth () const
 Get the maximim width of the text box. More...
 
void setMaximumHeight (float maximumHeight)
 Set the maximum height of the text box. More...
 
float getMaximumHeight () const
 Get the maximum height of the text box. More...
 
void setLineSpacing (float lineSpacing)
 Set the line spacing of the text box, given as a percentage of the character height. More...
 
float getLineSpacing () const
 Get the line spacing of the text box. More...
 
void setPosition (const osg::Vec3 &pos)
 Set the position of text. More...
 
const osg::Vec3getPosition () const
 Get the position of text. More...
 
void setAlignment (AlignmentType alignment)
 
AlignmentType getAlignment () const
 
void setAxisAlignment (AxisAlignment axis)
 
AxisAlignment getAxisAlignment () const
 
void setRotation (const osg::Quat &quat)
 
const osg::QuatgetRotation () const
 
void setAutoRotateToScreen (bool autoRotateToScreen)
 
bool getAutoRotateToScreen () const
 
void setLayout (Layout layout)
 
Layout getLayout () const
 
void setDrawMode (unsigned int mode)
 
unsigned int getDrawMode () const
 
void setBoundingBoxMargin (float margin)
 
float getBoundingBoxMargin () const
 
void setBoundingBoxColor (const osg::Vec4 &color)
 
const osg::Vec4getBoundingBoxColor () const
 
void setKerningType (KerningType kerningType)
 
KerningType getKerningType () const
 
unsigned int getLineCount () const
 Get the number of wrapped lines - only valid after computeGlyphRepresentation() has been called, returns 0 otherwise. More...
 
virtual osg::BoundingBox computeBound () const
 Compute the bounding box around Drawables's geometry. More...
 
- Public Member Functions inherited from osg::Drawable
 Drawable ()
 
 Drawable (const Drawable &drawable, const CopyOp &copyop=CopyOp::SHALLOW_COPY)
 Copy constructor using CopyOp to manage deep vs shallow copy. More...
 
virtual GeometryasGeometry ()
 Convert 'this' into a Geometry pointer if Drawable is a Geometry, otherwise return 0. More...
 
virtual const GeometryasGeometry () const
 Convert 'const this' into a const Geometry pointer if Drawable is a Geometry, otherwise return 0. More...
 
virtual void computeDataVariance ()
 Compute the DataVariance based on an assessment of callback etc. More...
 
const ParentListgetParents () const
 Get the parent list of drawable. More...
 
ParentList getParents ()
 Get the a copy of parent list of node. More...
 
NodegetParent (unsigned int i)
 Get a single parent of Drawable. More...
 
const NodegetParent (unsigned int i) const
 Get a single const parent of Drawable. More...
 
unsigned int getNumParents () const
 Get the number of parents of node. More...
 
MatrixList getWorldMatrices (const osg::Node *haltTraversalAtNode=0) const
 Get the list of matrices that transform this node from local coordinates to world coordinates. More...
 
void setStateSet (StateSet *stateset)
 Set the StateSet attached to the Drawable. More...
 
StateSetgetStateSet ()
 Get the attached StateSet. More...
 
const StateSetgetStateSet () const
 Get the attached const StateSet. More...
 
StateSetgetOrCreateStateSet ()
 Get the attached const StateSet, if one is not already attached create one, attach it to the drawable and return a pointer to it. More...
 
void setInitialBound (const osg::BoundingBox &bbox)
 Set the initial bounding volume to use when computing the overall bounding volume. More...
 
const BoundingBoxgetInitialBound () const
 Set the initial bounding volume to use when computing the overall bounding volume. More...
 
void dirtyBound ()
 Dirty the bounding box, forcing a computeBound() on the next call to getBound(). More...
 
const BoundingBoxgetBound () const
 Get BoundingBox of Drawable. More...
 
void setComputeBoundingBoxCallback (ComputeBoundingBoxCallback *callback)
 Set the compute bound callback to override the default computeBound. More...
 
ComputeBoundingBoxCallbackgetComputeBoundingBoxCallback ()
 Get the compute bound callback. More...
 
const ComputeBoundingBoxCallbackgetComputeBoundingBoxCallback () const
 Get the const compute bound callback. More...
 
void setShape (Shape *shape)
 Set the Shape of the Drawable. More...
 
ShapegetShape ()
 Get the Shape of the Drawable. More...
 
const ShapegetShape () const
 Get the const Shape of the const Drawable. More...
 
void setSupportsDisplayList (bool flag)
 Set the drawable so that it can or cannot be used in conjunction with OpenGL display lists. More...
 
bool getSupportsDisplayList () const
 Get whether display lists are supported for this drawable instance. More...
 
void setUseDisplayList (bool flag)
 When set to true, force the draw method to use OpenGL Display List for rendering. More...
 
bool getUseDisplayList () const
 Return whether OpenGL display lists are being used for rendering. More...
 
GLuint & getDisplayList (unsigned int contextID) const
 Return OpenGL display list for specified contextID. More...
 
virtual void setUseVertexBufferObjects (bool flag)
 When set to true, ignore the setUseDisplayList() settings, and hints to the drawImplementation method to use OpenGL vertex buffer objects for rendering. More...
 
bool getUseVertexBufferObjects () const
 Return whether OpenGL vertex buffer objects should be used when supported by OpenGL driver. More...
 
virtual void dirtyDisplayList ()
 Force a recompile on next draw() of any OpenGL display list associated with this geoset. More...
 
virtual unsigned int getGLObjectSizeHint () const
 Return the estimated size of GLObjects (display lists/vertex buffer objects) that are associated with this drawable. More...
 
void draw (RenderInfo &renderInfo) const
 Draw OpenGL primitives. More...
 
virtual void compileGLObjects (RenderInfo &renderInfo) const
 Immediately compile this Drawable into an OpenGL Display List/VertexBufferObjects. More...
 
virtual void setUpdateCallback (UpdateCallback *ac)
 Set the UpdateCallback which allows users to attach customize the updating of an object during the update traversal. More...
 
UpdateCallbackgetUpdateCallback ()
 Get the non const UpdateCallback. More...
 
const UpdateCallbackgetUpdateCallback () const
 Get the const UpdateCallback. More...
 
bool requiresUpdateTraversal () const
 Return whether this Drawable has update callbacks associated with it, and therefore must be traversed. More...
 
virtual void setEventCallback (EventCallback *ac)
 Set the EventCallback which allows users to attach customize the updating of an object during the Event traversal. More...
 
EventCallbackgetEventCallback ()
 Get the non const EventCallback. More...
 
const EventCallbackgetEventCallback () const
 Get the const EventCallback. More...
 
bool requiresEventTraversal () const
 Return whether this Drawable has event callbacks associated with it, and therefore must be traversed. More...
 
virtual void setCullCallback (CullCallback *cc)
 Set the CullCallback which allows users to customize the culling of Drawable during the cull traversal. More...
 
CullCallbackgetCullCallback ()
 Get the non const CullCallback. More...
 
const CullCallbackgetCullCallback () const
 Get the const CullCallback. More...
 
virtual void setDrawCallback (DrawCallback *dc)
 Set the DrawCallback which allows users to attach customize the drawing of existing Drawable object. More...
 
DrawCallbackgetDrawCallback ()
 Get the non const DrawCallback. More...
 
const DrawCallbackgetDrawCallback () const
 Get the const DrawCallback. More...
 
virtual void accept (AttributeFunctor &)
 accept an AttributeFunctor and call its methods to tell it about the internal attributes that this Drawable has. More...
 
virtual bool supports (const PrimitiveIndexFunctor &) const
 Return true if the Drawable subclass supports accept(PrimitiveIndexFunctor&). More...
 
virtual void accept (PrimitiveIndexFunctor &) const
 Accept a PrimitiveIndexFunctor and call its methods to tell it about the internal primitives that this Drawable has. More...
 
- Public Member Functions inherited from osg::Object
 Object ()
 Construct an object. More...
 
 Object (bool threadSafeRefUnref)
 
 Object (const Object &, const CopyOp &copyop=CopyOp::SHALLOW_COPY)
 Copy constructor, optional CopyOp object can be used to control shallow vs deep copying of dynamic data. More...
 
virtual void setName (const std::string &name)
 Set the name of object using C++ style string. More...
 
void setName (const char *name)
 Set the name of object using a C style string. More...
 
const std::string & getName () const
 Get the name of object. More...
 
void setDataVariance (DataVariance dv)
 Set the data variance of this object. More...
 
DataVariance getDataVariance () const
 Get the data variance of this object. More...
 
void setUserDataContainer (osg::UserDataContainer *udc)
 set the UserDataContainer object. More...
 
osg::UserDataContainergetUserDataContainer ()
 get the UserDataContainer attached to this object. More...
 
const osg::UserDataContainergetUserDataContainer () const
 get the const UserDataContainer attached to this object. More...
 
osg::UserDataContainergetOrCreateUserDataContainer ()
 Convinience method that returns the UserDataContainer, and if one doesn't already exist creates and assigns a DefaultUserDataContainer to the Object and then return this new UserDataContainer. More...
 
virtual void setUserData (Referenced *obj)
 Set user data, data must be subclassed from Referenced to allow automatic memory handling. More...
 
virtual ReferencedgetUserData ()
 Get user data. More...
 
virtual const ReferencedgetUserData () const
 Get const user data. More...
 
template<typename T >
bool getUserValue (const std::string &name, T &value) const
 Convinience method that casts the named UserObject to osg::TemplateValueObject<T> and gets the value. More...
 
template<typename T >
void setUserValue (const std::string &name, const T &value)
 Convinience method that creates the osg::TemplateValueObject<T> to store the specified value and adds it as a named UserObject. More...
 
template<typename T >
BoolValueObject
UCharValueObject
UShortValueObject
UIntValueObject
DoubleValueObject
Vec3fValueObject
Vec2dValueObject
Vec4dValueObject
PlaneValueObject
MatrixdValueObject bool 
getUserValue (const std::string &name, T &value) const
 provide implementation of osg::Object::getUserValue(..) template More...
 
- Public Member Functions inherited from osg::Referenced
 Referenced ()
 
 Referenced (bool threadSafeRefUnref)
 
 Referenced (const Referenced &)
 
Referencedoperator= (const Referenced &)
 
bool getThreadSafeRefUnref () const
 Get whether a mutex is used to ensure ref() and unref() are thread safe. More...
 
OpenThreads::Mutex * getRefMutex () const
 Get the mutex used to ensure thread safety of ref()/unref(). More...
 
int ref () const
 Increment the reference count by one, indicating that this object has another pointer which is referencing it. More...
 
int unref () const
 Decrement the reference count by one, indicating that a pointer to this object is no longer referencing it. More...
 
int unref_nodelete () const
 Decrement the reference count by one, indicating that a pointer to this object is no longer referencing it. More...
 
int referenceCount () const
 Return the number of pointers currently referencing this object. More...
 
ObserverSetgetObserverSet () const
 Get the ObserverSet if one is attached, otherwise return NULL. More...
 
ObserverSetgetOrCreateObserverSet () const
 Get the ObserverSet if one is attached, otherwise create an ObserverSet, attach it, then return this newly created ObserverSet. More...
 
void addObserver (Observer *observer) const
 Add a Observer that is observing this object, notify the Observer when this object gets deleted. More...
 
void removeObserver (Observer *observer) const
 Remove Observer that is observing this object. More...
 

Protected Types

typedef std::map< osg::View
*, osg::Vec4
ViewBlendColourMap
 

Protected Member Functions

virtual ~FadeText ()
 
void init ()
 
ViewBlendColourMapgetViewBlendColourMap ()
 
const ViewBlendColourMapgetViewBlendColourMap () const
 
- Protected Member Functions inherited from osgText::Text
virtual ~Text ()
 
FontgetActiveFont ()
 
const FontgetActiveFont () const
 
String::iterator computeLastCharacterOnLine (osg::Vec2 &cursor, String::iterator first, String::iterator last)
 
void computeGlyphRepresentation ()
 
bool computeAverageGlyphWidthAndHeight (float &avg_width, float &avg_height) const
 
virtual void computePositions (unsigned int contextID) const
 
void computeBackdropPositions (unsigned int contextID) const
 
void computeBackdropBoundingBox () const
 
void computeBoundingBoxMargin () const
 
void computeColorGradients () const
 
void computeColorGradientsOverall () const
 
void computeColorGradientsPerCharacter () const
 
void drawImplementation (osg::State &state, const osg::Vec4 &colorMultiplier) const
 
void drawForegroundText (osg::State &state, const GlyphQuads &glyphquad, const osg::Vec4 &colorMultiplier) const
 
void drawTextWithBackdrop (osg::State &state, const osg::Vec4 &colorMultiplier) const
 
void renderOnlyForegroundText (osg::State &state, const osg::Vec4 &colorMultiplier) const
 
void renderWithPolygonOffset (osg::State &state, const osg::Vec4 &colorMultiplier) const
 
void renderWithNoDepthBuffer (osg::State &state, const osg::Vec4 &colorMultiplier) const
 
void renderWithDepthRange (osg::State &state, const osg::Vec4 &colorMultiplier) const
 
void renderWithStencilBuffer (osg::State &state, const osg::Vec4 &colorMultiplier) const
 
void renderWithDelayedDepthWrites (osg::State &state, const osg::Vec4 &colorMultiplier) const
 
float bilinearInterpolate (float x1, float x2, float y1, float y2, float x, float y, float q11, float q12, float q21, float q22) const
 
- Protected Member Functions inherited from osgText::TextBase
virtual ~TextBase ()
 
void positionCursor (const osg::Vec2 &endOfLine_coords, osg::Vec2 &cursor, unsigned int linelength)
 
void computePositions ()
 
String::iterator computeLastCharacterOnLine (osg::Vec2 &cursor, String::iterator first, String::iterator last)
 
- Protected Member Functions inherited from osg::Drawable
Drawableoperator= (const Drawable &)
 
virtual ~Drawable ()
 
void setBound (const BoundingBox &bb) const
 set the bounding box . More...
 
void addParent (osg::Node *node)
 
void removeParent (osg::Node *node)
 
void setNumChildrenRequiringUpdateTraversal (unsigned int num)
 
unsigned int getNumChildrenRequiringUpdateTraversal () const
 
void setNumChildrenRequiringEventTraversal (unsigned int num)
 
unsigned int getNumChildrenRequiringEventTraversal () const
 
- Protected Member Functions inherited from osg::Object
virtual ~Object ()
 Object destructor. More...
 
- Protected Member Functions inherited from osg::Referenced
virtual ~Referenced ()
 
void signalObserversAndDelete (bool signalDelete, bool doDelete) const
 
void deleteUsingDeleteHandler () const
 

Protected Attributes

float _fadeSpeed
 
ViewBlendColourMap _viewBlendColourMap
 
- Protected Attributes inherited from osgText::Text
TextureGlyphQuadMap _textureGlyphQuadMap
 
bool _enableDepthWrites
 
BackdropType _backdropType
 
BackdropImplementation _backdropImplementation
 
float _backdropHorizontalOffset
 
float _backdropVerticalOffset
 
osg::Vec4 _backdropColor
 
ColorGradientMode _colorGradientMode
 
osg::Vec4 _colorGradientTopLeft
 
osg::Vec4 _colorGradientBottomLeft
 
osg::Vec4 _colorGradientBottomRight
 
osg::Vec4 _colorGradientTopRight
 
- Protected Attributes inherited from osgText::TextBase
osg::Vec4 _color
 
osg::ref_ptr< Font_font
 
osg::ref_ptr< Style_style
 
FontResolution _fontSize
 
float _characterHeight
 
CharacterSizeMode _characterSizeMode
 
float _maximumWidth
 
float _maximumHeight
 
float _lineSpacing
 
String _text
 
osg::Vec3 _position
 
AlignmentType _alignment
 
AxisAlignment _axisAlignment
 
osg::Quat _rotation
 
bool _autoRotateToScreen
 
Layout _layout
 
unsigned int _drawMode
 
float _textBBMargin
 
osg::Vec4 _textBBColor
 
KerningType _kerningType
 
unsigned int _lineCount
 
osg::buffered_object
< AutoTransformCache
_autoTransformCache
 
osg::Vec3 _offset
 
osg::Vec3 _normal
 
osg::BoundingBox _textBB
 
- Protected Attributes inherited from osg::Drawable
ParentList _parents
 
ref_ptr< StateSet_stateset
 
BoundingBox _initialBound
 
ref_ptr
< ComputeBoundingBoxCallback
_computeBoundCallback
 
BoundingBox _boundingBox
 
bool _boundingBoxComputed
 
ref_ptr< Shape_shape
 
bool _supportsDisplayList
 
bool _useDisplayList
 
bool _supportsVertexBufferObjects
 
bool _useVertexBufferObjects
 
GLObjectList _globjList
 
ref_ptr< UpdateCallback_updateCallback
 
unsigned int _numChildrenRequiringUpdateTraversal
 
ref_ptr< EventCallback_eventCallback
 
unsigned int _numChildrenRequiringEventTraversal
 
ref_ptr< CullCallback_cullCallback
 
ref_ptr< DrawCallback_drawCallback
 
- Protected Attributes inherited from osg::Object
std::string _name
 
DataVariance _dataVariance
 
osg::UserDataContainer_userDataContainer
 
- Protected Attributes inherited from osg::Referenced
OpenThreads::AtomicPtr _observerSet
 
OpenThreads::Atomic _refCount
 

Friends

struct FadeTextUpdateCallback
 

Additional Inherited Members

- Public Types inherited from osgText::Text
enum  BackdropType {
  DROP_SHADOW_BOTTOM_RIGHT = 0, DROP_SHADOW_CENTER_RIGHT, DROP_SHADOW_TOP_RIGHT, DROP_SHADOW_BOTTOM_CENTER,
  DROP_SHADOW_TOP_CENTER, DROP_SHADOW_BOTTOM_LEFT, DROP_SHADOW_CENTER_LEFT, DROP_SHADOW_TOP_LEFT,
  OUTLINE, NONE
}
 
enum  BackdropImplementation {
  POLYGON_OFFSET = 0, NO_DEPTH_BUFFER, DEPTH_RANGE, STENCIL_BUFFER,
  DELAYED_DEPTH_WRITES
}
 
enum  ColorGradientMode { SOLID = 0, PER_CHARACTER, OVERALL }
 
typedef std::map< osg::ref_ptr
< GlyphTexture >, GlyphQuads
TextureGlyphQuadMap
 
- Static Public Member Functions inherited from osg::Drawable
static GLuint generateDisplayList (unsigned int contextID, unsigned int sizeHint=0)
 Return a OpenGL display list handle a newly generated or reused from display list cache. More...
 
static void setMinimumNumberOfDisplayListsToRetainInCache (unsigned int minimum)
 Set the minimum number of display lists to retain in the deleted display list cache. More...
 
static unsigned int getMinimumNumberOfDisplayListsToRetainInCache ()
 Get the minimum number of display lists to retain in the deleted display list cache. More...
 
static void deleteDisplayList (unsigned int contextID, GLuint globj, unsigned int sizeHint=0)
 Use deleteDisplayList instead of glDeleteList to allow OpenGL display list to be cached until they can be deleted by the OpenGL context in which they were created, specified by contextID. More...
 
static void flushAllDeletedDisplayLists (unsigned int contextID)
 Flush all the cached display list which need to be deleted in the OpenGL context related to contextID. More...
 
static void discardAllDeletedDisplayLists (unsigned int contextID)
 Flush all the cached display list which need to be deleted in the OpenGL context related to contextID. More...
 
static void flushDeletedDisplayLists (unsigned int contextID, double &availableTime)
 Flush the cached display list which need to be deleted in the OpenGL context related to contextID. More...
 
static ExtensionsgetExtensions (unsigned int contextID, bool createIfNotInitalized)
 Function to call to get the extension of a specified context. More...
 
static void setExtensions (unsigned int contextID, Extensions *extensions)
 setExtensions allows users to override the extensions across graphics contexts. More...
 
- Static Public Attributes inherited from osg::Drawable
static unsigned int s_numberDrawablesReusedLastInLastFrame
 
static unsigned int s_numberNewDrawablesInLastFrame
 
static unsigned int s_numberDeletedDrawablesInLastFrame
 

Member Typedef Documentation

Constructor & Destructor Documentation

osgText::FadeText::FadeText ( )
osgText::FadeText::FadeText ( const Text text,
const osg::CopyOp copyop = osg::CopyOp::SHALLOW_COPY 
)
virtual osgText::FadeText::~FadeText ( )
inlineprotectedvirtual

Member Function Documentation

virtual void osgText::FadeText::drawImplementation ( osg::RenderInfo renderInfo) const
virtual

Draw the text.

Reimplemented from osgText::Text.

float osgText::FadeText::getFadeSpeed ( ) const
inline

Get the speed that the alpha value changes.

ViewBlendColourMap& osgText::FadeText::getViewBlendColourMap ( )
inlineprotected
const ViewBlendColourMap& osgText::FadeText::getViewBlendColourMap ( ) const
inlineprotected
void osgText::FadeText::init ( )
protected
osgText::FadeText::META_Object ( osgText  ,
FadeText   
)
inline

Set the speed that the alpha value changes as the text is occluded or becomes visible.

Friends And Related Function Documentation

friend struct FadeTextUpdateCallback
friend

Member Data Documentation

float osgText::FadeText::_fadeSpeed
protected
ViewBlendColourMap osgText::FadeText::_viewBlendColourMap
mutableprotected

The documentation for this class was generated from the following file:

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Generated at Mon Sep 9 2013 06:15:19 for the OpenSceneGraph by doxygen 1.8.4.