OpenSceneGraph
3.0.1
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Point - encapsulates the OpenGL point smoothing and size state. More...
Classes | |
class | Extensions |
Encapsulates queries of extension availability, obtains extension function pointers, and provides convenience wrappers for calling extension functions. More... | |
Public Member Functions | |
Point () | |
Point (float size) | |
Point (const Point &point, const CopyOp ©op=CopyOp::SHALLOW_COPY) | |
Copy constructor using CopyOp to manage deep vs shallow copy. | |
META_StateAttribute (osg, Point, POINT) | |
virtual int | compare (const StateAttribute &sa) const |
return -1 if *this < *rhs, 0 if *this==*rhs, 1 if *this>*rhs. | |
virtual bool | getModeUsage (StateAttribute::ModeUsage &usage) const |
Return the modes associated with this StateAttribute. | |
void | setSize (float size) |
float | getSize () const |
void | setFadeThresholdSize (float fadeThresholdSize) |
float | getFadeThresholdSize () const |
void | setDistanceAttenuation (const Vec3 &distanceAttenuation) |
const Vec3 & | getDistanceAttenuation () const |
void | setMinSize (float minSize) |
float | getMinSize () const |
void | setMaxSize (float maxSize) |
float | getMaxSize () const |
virtual void | apply (State &state) const |
apply the OpenGL state attributes. | |
Static Public Member Functions | |
static Extensions * | getExtensions (unsigned int contextID, bool createIfNotInitalized) |
Returns the Extensions object for the given context. | |
static void | setExtensions (unsigned int contextID, Extensions *extensions) |
setExtensions() allows users to override the extensions across graphics contexts. | |
Protected Member Functions | |
virtual | ~Point () |
Protected Attributes | |
float | _size |
float | _fadeThresholdSize |
Vec3 | _distanceAttenuation |
float | _minSize |
float | _maxSize |
Point - encapsulates the OpenGL point smoothing and size state.
osg::Point::Point | ( | ) |
osg::Point::Point | ( | float | size | ) |
Copy constructor using CopyOp to manage deep vs shallow copy.
virtual osg::Point::~Point | ( | ) | [protected, virtual] |
virtual void osg::Point::apply | ( | State & | ) | const [virtual] |
apply the OpenGL state attributes.
The render info for the current OpenGL context is passed in to allow the StateAttribute to obtain details on the the current context and state.
Reimplemented from osg::StateAttribute.
virtual int osg::Point::compare | ( | const StateAttribute & | sa | ) | const [inline, virtual] |
return -1 if *this < *rhs, 0 if *this==*rhs, 1 if *this>*rhs.
Implements osg::StateAttribute.
References COMPARE_StateAttribute_Types, and COMPARE_StateAttribute_Parameter.
const Vec3& osg::Point::getDistanceAttenuation | ( | ) | const [inline] |
static Extensions* osg::Point::getExtensions | ( | unsigned int | contextID, |
bool | createIfNotInitalized | ||
) | [static] |
Returns the Extensions object for the given context.
If createIfNotInitalized is true and the Extensions object doesn't exist, getExtensions() creates it on the given context. Returns NULL if createIfNotInitalized is false and the Extensions object doesn't exist.
float osg::Point::getFadeThresholdSize | ( | ) | const [inline] |
float osg::Point::getMaxSize | ( | ) | const [inline] |
float osg::Point::getMinSize | ( | ) | const [inline] |
virtual bool osg::Point::getModeUsage | ( | StateAttribute::ModeUsage & | ) | const [inline, virtual] |
Return the modes associated with this StateAttribute.
Reimplemented from osg::StateAttribute.
References osg::StateAttribute::ModeUsage::usesMode(), and GL_POINT_SMOOTH.
float osg::Point::getSize | ( | ) | const [inline] |
osg::Point::META_StateAttribute | ( | osg | , |
Point | , | ||
POINT | |||
) |
void osg::Point::setDistanceAttenuation | ( | const Vec3 & | distanceAttenuation | ) |
static void osg::Point::setExtensions | ( | unsigned int | contextID, |
Extensions * | extensions | ||
) | [static] |
setExtensions() allows users to override the extensions across graphics contexts.
Typically used when you have different extensions supported across graphics pipes, but need to ensure that they all use the same low common denominator extensions.
void osg::Point::setFadeThresholdSize | ( | float | fadeThresholdSize | ) |
void osg::Point::setMaxSize | ( | float | maxSize | ) |
void osg::Point::setMinSize | ( | float | minSize | ) |
void osg::Point::setSize | ( | float | size | ) |
Vec3 osg::Point::_distanceAttenuation [protected] |
float osg::Point::_fadeThresholdSize [protected] |
float osg::Point::_maxSize [protected] |
float osg::Point::_minSize [protected] |
float osg::Point::_size [protected] |
![]() | Generated at Mon Oct 3 2011 12:39:43 for the OpenSceneGraph by doxygen 1.7.5. |