fr.inria.insitu.glite.managers
Class TesselationManager

java.lang.Object
  javax.media.opengl.glu.GLUtessellatorCallbackAdapter
      fr.inria.insitu.glite.managers.TesselationManager

All Implemented Interfaces:

LiteManager, javax.media.opengl.glu.GLUtessellatorCallback

public class TesselationManager
extends javax.media.opengl.glu.GLUtessellatorCallbackAdapter
implements LiteManager

Wrapper on the GLU Tess Functions, used to tesselate arbitary flattened paths.

Field Summary

static Object

KEY Key for access in PaintConext.

Fields inherited from interface fr.inria.insitu.glite.managers.LiteManager

KEY_CLIP, KEY_FONT, KEY_STENCIL, KEY_TESSELATOR, KEY_TRANSFORM, KEY_VERTEX_ARRAY

Constructor Summary

TesselationManager(javax.media.opengl.glu.GLU glu)
Create a new TesselationManager object.

Method Summary

void	begin(int mode)
void	combine(double[] coords, Object[] data, float[] weight, Object[] dataOut)
static void	defaultCombine(double[] coords, Object[] data, float[] weight, Object[] dataOut) Default implementation of the TesselatorVisitor combine method usable in any implementations.
static void	defaultError(int errorCode) Default implementation of the TesselatorVisitor error method usable in any implementations.
void	dispose() Frees the OpenGL TessObj associated with this tesselator.
void	end()
void	error(int errorCode)
void	fill(javax.media.opengl.GL gl, Shape shape) Fills a specified shape.
void	fill(javax.media.opengl.GL gl, Shape shape, AffineTransform at) Fills a specified shape.
void	fill(javax.media.opengl.GL gl, Shape shape, AffineTransform at, float flatness) Fills a specified shape.
void	fill(javax.media.opengl.GL gl, VertexArray vertexArray, Shape shape, AffineTransform at, float flatness) Fills a specified shape.
VertexArrayList	fill(VertexArrayList list, Shape shape, AffineTransform at, float flatness) Fills a specified shape.
static TesselationManager	get(LitePaintContext ctx) Returns a TesselationManager from a LitePaintContext, creating it if needed.
void	reset() Resets the manager.
void	tesselate(int[] xPts, int[] yPts, int nPts, fr.inria.insitu.glite.managers.TesselatorVisitor visitor) Tesselates the interior of a polygon defined by a list of points.
void	tesselate(PathIterator path, fr.inria.insitu.glite.managers.TesselatorVisitor visitor) Tesselates the interior of a polygon defined by a path.
void	vertex(Object data)

Methods inherited from class javax.media.opengl.glu.GLUtessellatorCallbackAdapter

beginData, combineData, edgeFlag, edgeFlagData, endData, errorData, vertexData

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

KEY

public static final Object KEY

Key for access in PaintConext.

Constructor Detail

TesselationManager

public TesselationManager(javax.media.opengl.glu.GLU glu)

Create a new TesselationManager object.

Parameters:

glu - a GLU object

Method Detail

get

public static TesselationManager get(LitePaintContext ctx)

Returns a TesselationManager from a LitePaintContext, creating it if needed.

Parameters:

ctx - the LitePaintContext

Returns:

a TesselationManager

reset

public void reset()

Resets the manager.

Specified by:

reset in interface LiteManager

tesselate

public void tesselate(PathIterator path,
                      fr.inria.insitu.glite.managers.TesselatorVisitor visitor)

Tesselates the interior of a polygon defined by a path. The path must be a flattened path.

Parameters:

path - a flattened PathIterator

visitor - a TesselatorVisitor

tesselate

public void tesselate(int[] xPts,
                      int[] yPts,
                      int nPts,
                      fr.inria.insitu.glite.managers.TesselatorVisitor visitor)

Tesselates the interior of a polygon defined by a list of points.

Parameters:

xPts - a table of x coordinates

yPts - a table of y coordinates

nPts - the number of points to consider

visitor - the TesselatorVisitor

dispose

public void dispose()

Frees the OpenGL TessObj associated with this tesselator.

Specified by:

dispose in interface LiteManager

begin

public void begin(int mode)

Specified by:

begin in interface javax.media.opengl.glu.GLUtessellatorCallback

Overrides:

begin in class javax.media.opengl.glu.GLUtessellatorCallbackAdapter

vertex

public void vertex(Object data)

Specified by:

vertex in interface javax.media.opengl.glu.GLUtessellatorCallback

Overrides:

vertex in class javax.media.opengl.glu.GLUtessellatorCallbackAdapter

end

public void end()

Specified by:

end in interface javax.media.opengl.glu.GLUtessellatorCallback

Overrides:

end in class javax.media.opengl.glu.GLUtessellatorCallbackAdapter

error

public void error(int errorCode)

Specified by:

error in interface javax.media.opengl.glu.GLUtessellatorCallback

Overrides:

error in class javax.media.opengl.glu.GLUtessellatorCallbackAdapter

combine

public void combine(double[] coords,
                    Object[] data,
                    float[] weight,
                    Object[] dataOut)

Specified by:

combine in interface javax.media.opengl.glu.GLUtessellatorCallback

Overrides:

combine in class javax.media.opengl.glu.GLUtessellatorCallbackAdapter

defaultCombine

public static void defaultCombine(double[] coords,
                                  Object[] data,
                                  float[] weight,
                                  Object[] dataOut)

Default implementation of the TesselatorVisitor combine method usable in any implementations.

Parameters:

coords - coordinates to combine

data - associated data to combine

weight - weights on the points

dataOut - where the combined points will be returned

defaultError

public static void defaultError(int errorCode)

Default implementation of the TesselatorVisitor error method usable in any implementations.

Parameters:

errorCode - the GLU error code.

fill

public void fill(javax.media.opengl.GL gl,
                 Shape shape,
                 AffineTransform at,
                 float flatness)

Fills a specified shape.

Parameters:

gl - the GL context

shape - the shape

at - the affine transform

flatness - the flatness

fill

public void fill(javax.media.opengl.GL gl,
                 VertexArray vertexArray,
                 Shape shape,
                 AffineTransform at,
                 float flatness)

Fills a specified shape.

Parameters:

gl - the GL context

vertexArray - a VertexArray

shape - the shape

at - the affine transform

flatness - the flatness

fill

public void fill(javax.media.opengl.GL gl,
                 Shape shape,
                 AffineTransform at)

Fills a specified shape.

Parameters:

gl - the GL context

shape - the shape

at - the affine transform

fill

public void fill(javax.media.opengl.GL gl,
                 Shape shape)

Fills a specified shape.

Parameters:

gl - the GL context

shape - the shape

fill

public VertexArrayList fill(VertexArrayList list,
                            Shape shape,
                            AffineTransform at,
                            float flatness)

Fills a specified shape.

Parameters:

list - a VertexArrayList

shape - the shape

at - the affine transform

flatness - the flatness

Returns:

a VertexArrayList of the tesselated shape