NAME
SoDrawStyle -
The SoDrawStyle class specificies common rendering properties for
shapes.
Use SoDrawStyle nodes to influence how shape nodes following them in
the scenegraph will be rendered. This node type have fields to help
decide how certain aspects of point-based shapes, line-based shapes and
filled shape primitives are rendered.
SYNOPSIS
#include <Inventor/nodes/SoDrawStyle.h>
Inherits SoNode.
Public Types
enum Style { FILLED = SoDrawStyleElement::FILLED, LINES =
SoDrawStyleElement::LINES, POINTS = SoDrawStyleElement::POINTS,
INVISIBLE = SoDrawStyleElement::INVISIBLE }
Public Member Functions
SoDrawStyle (void)
virtual void doAction (SoAction *action)
virtual void GLRender (SoGLRenderAction *action)
virtual void callback (SoCallbackAction *action)
Static Public Member Functions
static void initClass (void)
Public Attributes
SoSFEnum style
SoSFFloat pointSize
SoSFFloat lineWidth
SoSFUShort linePattern
SoSFInt32 linePatternScaleFactor
Protected Member Functions
virtual ~SoDrawStyle ()
Detailed Description
The SoDrawStyle class specificies common rendering properties for
shapes.
Use SoDrawStyle nodes to influence how shape nodes following them in
the scenegraph will be rendered. This node type have fields to help
decide how certain aspects of point-based shapes, line-based shapes and
filled shape primitives are rendered.
Simple scenegraph structure usage example:
#Inventor V2.1 ascii
Separator {
Sphere { }
Translation { translation 4 0 0 }
DrawStyle { style LINES lineWidth 2 }
Sphere { }
Translation { translation 4 0 0 }
DrawStyle { style POINTS pointSize 2 }
Sphere { }
}
FILE FORMAT/DEFAULTS:
DrawStyle {
style FILLED
pointSize 0
lineWidth 0
linePattern 0xffff
}
Member Enumeration Documentation
enum SoDrawStyle::Style Enumeration for the various ways to render
geometry.
Enumerator:
FILLED Render all geometry as-is.
LINES Render all geometry as border lines.
POINTS Render all geometry as vertex points.
INVISIBLE
Don’t render geometry.
Constructor & Destructor Documentation
SoDrawStyle::SoDrawStyle (void) Constructor.
SoDrawStyle::~SoDrawStyle () [protected, virtual] Destructor.
Member Function Documentation
void SoDrawStyle::initClass (void) [static] Sets up initialization for data
common to all instances of this class, like submitting necessary
information to the Coin type system.
Reimplemented from SoNode.
void SoDrawStyle::doAction (SoAction * action) [virtual] This function
performs the typical operation of a node for any action.
Reimplemented from SoNode.
void SoDrawStyle::GLRender (SoGLRenderAction * action) [virtual] Action
method for the SoGLRenderAction.
This is called during rendering traversals. Nodes influencing the
rendering state in any way or who wants to throw geometry primitives at
OpenGL overrides this method.
Reimplemented from SoNode.
void SoDrawStyle::callback (SoCallbackAction * action) [virtual] Action
method for SoCallbackAction.
Simply updates the state according to how the node behaves for the
render action, so the application programmer can use the
SoCallbackAction for extracting information about the scene graph.
Reimplemented from SoNode.
Member Data Documentation
SoSFEnum SoDrawStyle::style How to render the geometry following a
drawstyle node in the scene graph. Default SoDrawStyle::FILLED.
SoSFFloat SoDrawStyle::pointSize Size in screen pixels of SoPointSet
points, and also of geometry vertex points if setting the
SoDrawStyle::style to SoDrawStyle::POINTS.
The valid range of pointsize settings varies according to which OpenGL
implementation is used. For the purpose of not trying to set illegal
values, the application programmer should at run-time check the valid
range. How this can be accomplished is described in the class
documentation of SoGLPointSizeElement.
Default value is 0.0f, which is a ’tag’ value which tells the rendering
library to use the default setting.
SoSFFloat SoDrawStyle::lineWidth Width in screen pixels of SoLineSet and
SoIndexedLineSet lines, and also of geometry border lines if setting
the SoDrawStyle::style to SoDrawStyle::LINES.
The valid range of linewidth settings varies according to which OpenGL
implementation is used. For the purpose of not trying to set illegal
values, the application programmer should at run-time check the valid
range. How this can be accomplished is described in the class
documentation of SoGLLineWidthElement.
Default value is 0.0f, which is a ’tag’ value which tells the rendering
library to use the default setting.
SoSFUShort SoDrawStyle::linePattern Pattern as a bitmask used when drawing
lines. Default is 0xffff (no ’holes’).
Author
Generated automatically by Doxygen for Coin from the source code.