diff options
Diffstat (limited to 'src/jogl/classes/com/jogamp/graph/curve')
7 files changed, 128 insertions, 226 deletions
diff --git a/src/jogl/classes/com/jogamp/graph/curve/OutlineShape.java b/src/jogl/classes/com/jogamp/graph/curve/OutlineShape.java index 16bd054e2..e4f80ab76 100755 --- a/src/jogl/classes/com/jogamp/graph/curve/OutlineShape.java +++ b/src/jogl/classes/com/jogamp/graph/curve/OutlineShape.java @@ -30,14 +30,14 @@ package com.jogamp.graph.curve; import java.util.ArrayList; import java.util.Collections; - +import com.jogamp.graph.curve.tess.Triangulation; +import com.jogamp.graph.curve.tess.Triangulator; import com.jogamp.graph.geom.AABBox; import com.jogamp.graph.geom.Outline; import com.jogamp.graph.geom.Triangle; import com.jogamp.graph.geom.Vertex; import com.jogamp.graph.math.VectorUtil; -import com.jogamp.graph.curve.tess.CDTriangulator2D; /** A Generic shape objects which is defined by a list of Outlines. * This Shape can be transformed to Triangulations. @@ -433,7 +433,7 @@ public class OutlineShape implements Comparable<OutlineShape> { sortOutlines(); generateVertexIds(); - CDTriangulator2D triangulator2d = new CDTriangulator2D(); + Triangulator triangulator2d = Triangulation.create(); for(int index = 0; index<outlines.size(); index++) { triangulator2d.addCurve(outlines.get(index)); } diff --git a/src/jogl/classes/com/jogamp/graph/curve/Region.java b/src/jogl/classes/com/jogamp/graph/curve/Region.java index 46bdedee4..168d8dd70 100644 --- a/src/jogl/classes/com/jogamp/graph/curve/Region.java +++ b/src/jogl/classes/com/jogamp/graph/curve/Region.java @@ -39,9 +39,11 @@ public abstract class Region { public static final boolean DEBUG = Debug.debug("graph.curve"); public static final boolean DEBUG_INSTANCE = false; - /** Two pass region rendering, slower and more resource hungry (FBO), but AA is perfect. - * Otherwise the default fast one pass MSAA region rendering is being used. */ - public static final int TWO_PASS_RENDERING_BIT = 1 << 0; + /** View based Anti-Aliasing, A Two pass region rendering, slower + * and more resource hungry (FBO), but AA is perfect. + * Otherwise the default fast one pass MSAA region rendering is being used. + */ + public static final int VBAA_RENDERING_BIT = 1 << 0; /** Use non uniform weights [0.0 .. 1.9] for curve region rendering. * Otherwise the default weight 1.0 for Bezier curve region rendering is being applied. */ @@ -57,8 +59,8 @@ public abstract class Region { protected ArrayList<Triangle> triangles = new ArrayList<Triangle>(); protected ArrayList<Vertex> vertices = new ArrayList<Vertex>(); - public static boolean usesTwoPassRendering(int renderModes) { - return 0 != ( renderModes & Region.TWO_PASS_RENDERING_BIT ); + public static boolean isVBAA(int renderModes) { + return 0 != ( renderModes & Region.VBAA_RENDERING_BIT ); } public static boolean usesVariableCurveWeight(int renderModes) { @@ -71,7 +73,7 @@ public abstract class Region { public final int getRenderModes() { return renderModes; } - public boolean usesTwoPassRendering() { return Region.usesTwoPassRendering(renderModes); } + public boolean isVBAA() { return Region.isVBAA(renderModes); } public boolean usesVariableCurveWeight() { return Region.usesVariableCurveWeight(renderModes); } /** Get the current number of vertices associated diff --git a/src/jogl/classes/com/jogamp/graph/curve/opengl/RegionRenderer.java b/src/jogl/classes/com/jogamp/graph/curve/opengl/RegionRenderer.java index 8624c582c..86d962fd8 100644 --- a/src/jogl/classes/com/jogamp/graph/curve/opengl/RegionRenderer.java +++ b/src/jogl/classes/com/jogamp/graph/curve/opengl/RegionRenderer.java @@ -38,7 +38,7 @@ public abstract class RegionRenderer extends Renderer { /** * Create a Hardware accelerated Region Renderer. * @param rs the used {@link RenderState} - * @param renderModes bit-field of modes, e.g. {@link Region#VARIABLE_CURVE_WEIGHT_BIT}, {@link Region#TWO_PASS_RENDERING_BIT} + * @param renderModes bit-field of modes, e.g. {@link Region#VARIABLE_CURVE_WEIGHT_BIT}, {@link Region#VBAA_RENDERING_BIT} * @return an instance of Region Renderer */ public static RegionRenderer create(RenderState rs, int renderModes) { diff --git a/src/jogl/classes/com/jogamp/graph/curve/opengl/TextRenderer.java b/src/jogl/classes/com/jogamp/graph/curve/opengl/TextRenderer.java index 5e25a4ced..b466670cc 100644 --- a/src/jogl/classes/com/jogamp/graph/curve/opengl/TextRenderer.java +++ b/src/jogl/classes/com/jogamp/graph/curve/opengl/TextRenderer.java @@ -41,10 +41,10 @@ public abstract class TextRenderer extends Renderer { /** * Create a Hardware accelerated Text Renderer. * @param rs the used {@link RenderState} - * @param renderModes either {@link com.jogamp.graph.curve.opengl.GLRegion#SINGLE_PASS} or {@link com.jogamp.graph.curve.Region#TWO_PASS_RENDERING_BIT} + * @param renderModes either {@link com.jogamp.graph.curve.opengl.GLRegion#SINGLE_PASS} or {@link com.jogamp.graph.curve.Region#VBAA_RENDERING_BIT} */ - public static TextRenderer create(RenderState rs, int type) { - return new jogamp.graph.curve.opengl.TextRendererImpl01(rs, type); + public static TextRenderer create(RenderState rs, int renderModes) { + return new jogamp.graph.curve.opengl.TextRendererImpl01(rs, renderModes); } protected TextRenderer(RenderState rs, int type) { diff --git a/src/jogl/classes/com/jogamp/graph/curve/tess/CDTriangulator2D.java b/src/jogl/classes/com/jogamp/graph/curve/tess/CDTriangulator2D.java deleted file mode 100644 index f71105983..000000000 --- a/src/jogl/classes/com/jogamp/graph/curve/tess/CDTriangulator2D.java +++ /dev/null @@ -1,213 +0,0 @@ -/** - * Copyright 2010 JogAmp Community. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, are - * permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, this list of - * conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright notice, this list - * of conditions and the following disclaimer in the documentation and/or other materials - * provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND - * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR - * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON - * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF - * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * The views and conclusions contained in the software and documentation are those of the - * authors and should not be interpreted as representing official policies, either expressed - * or implied, of JogAmp Community. - */ - -package com.jogamp.graph.curve.tess; - -import java.util.ArrayList; - -import jogamp.graph.curve.tess.GraphOutline; -import jogamp.graph.curve.tess.GraphVertex; -import jogamp.graph.curve.tess.Loop; - -import com.jogamp.graph.geom.Outline; -import com.jogamp.graph.geom.Triangle; -import com.jogamp.graph.geom.Vertex; -import com.jogamp.graph.math.VectorUtil; - -import jogamp.opengl.Debug; - -/** Constrained Delaunay Triangulation - * implementation of a list of Outlines that define a set of - * Closed Regions with optional n holes. - * - */ -public class CDTriangulator2D { - - protected static final boolean DEBUG = Debug.debug("Triangulation"); - - private float sharpness = 0.5f; - private ArrayList<Loop> loops; - private ArrayList<Vertex> vertices; - - private ArrayList<Triangle> triangles; - private int maxTriID = 0; - - - /** Constructor for a new Delaunay triangulator - */ - public CDTriangulator2D() { - reset(); - } - - /** Reset the triangulation to initial state - * Clearing cached data - */ - public void reset() { - maxTriID = 0; - vertices = new ArrayList<Vertex>(); - triangles = new ArrayList<Triangle>(3); - loops = new ArrayList<Loop>(); - } - - /** Add a curve to the list of profiles provided - * @param polyline a bounding {@link Outline} - */ - public void addCurve(Outline polyline) { - Loop loop = null; - - // FIXME: multiple in/out and CW/CCW tests (as follows) ?? - - if(!loops.isEmpty()) { - loop = getContainerLoop(polyline); - } - - if(loop == null) { - GraphOutline outline = new GraphOutline(polyline); - GraphOutline innerPoly = extractBoundaryTriangles(outline, false); - vertices.addAll(polyline.getVertices()); - loop = new Loop(innerPoly, VectorUtil.Winding.CCW); - loops.add(loop); - } else { - GraphOutline outline = new GraphOutline(polyline); - GraphOutline innerPoly = extractBoundaryTriangles(outline, true); - vertices.addAll(innerPoly.getVertices()); - loop.addConstraintCurve(innerPoly); - } - } - - /** Generate the triangulation of the provided - * List of {@link Outline}s - */ - public ArrayList<Triangle> generate() { - for(int i=0;i<loops.size();i++) { - Loop loop = loops.get(i); - int numTries = 0; - int size = loop.computeLoopSize(); - while(!loop.isSimplex()){ - Triangle tri = null; - if(numTries > size){ - tri = loop.cut(false); - } - else{ - tri = loop.cut(true); - } - numTries++; - - if(tri != null) { - numTries = 0; - size--; - tri.setId(maxTriID++); - triangles.add(tri); - if(DEBUG){ - System.err.println(tri); - } - } - if(numTries > size*2){ - if(DEBUG){ - System.err.println("Triangulation not complete!"); - } - break; - } - } - Triangle tri = loop.cut(true); - if(tri != null) - triangles.add(tri); - } - return triangles; - } - - private GraphOutline extractBoundaryTriangles(GraphOutline outline, boolean hole) { - GraphOutline innerOutline = new GraphOutline(); - ArrayList<GraphVertex> outVertices = outline.getGraphPoint(); - int size = outVertices.size(); - for(int i=0; i < size; i++) { - GraphVertex currentVertex = outVertices.get(i); - GraphVertex gv0 = outVertices.get((i+size-1)%size); - GraphVertex gv2 = outVertices.get((i+1)%size); - GraphVertex gv1 = currentVertex; - - if(!currentVertex.getPoint().isOnCurve()) { - Vertex v0 = gv0.getPoint().clone(); - Vertex v2 = gv2.getPoint().clone(); - Vertex v1 = gv1.getPoint().clone(); - - gv0.setBoundaryContained(true); - gv1.setBoundaryContained(true); - gv2.setBoundaryContained(true); - - final Triangle t; - final boolean holeLike; - if(VectorUtil.ccw(v0,v1,v2)) { - holeLike = false; - t = new Triangle(v0, v1, v2); - } else { - holeLike = true; - t = new Triangle(v2, v1, v0); - } - t.setId(maxTriID++); - triangles.add(t); - if(DEBUG){ - System.err.println(t); - } - if( hole || holeLike ) { - v0.setTexCoord(0, -0.1f); - v2.setTexCoord(1, -0.1f); - v1.setTexCoord(0.5f, -1*sharpness -0.1f); - innerOutline.addVertex(currentVertex); - } else { - v0.setTexCoord(0, 0.1f); - v2.setTexCoord(1, 0.1f); - v1.setTexCoord(0.5f, sharpness+0.1f); - } - } - else { - if(!gv2.getPoint().isOnCurve() || !gv0.getPoint().isOnCurve()){ - currentVertex.setBoundaryContained(true); - } - innerOutline.addVertex(currentVertex); - } - } - return innerOutline; - } - - private Loop getContainerLoop(Outline polyline) { - ArrayList<Vertex> vertices = polyline.getVertices(); - for(int i=0; i < loops.size(); i++) { - Loop loop = loops.get(i); - boolean inside = false; - for(int j=0; j < vertices.size(); j++) { - Vertex v = vertices.get(j); - inside |= loop.checkInside(v); - } - if(inside) { - return loop; - } - } - return null; - } -} diff --git a/src/jogl/classes/com/jogamp/graph/curve/tess/Triangulation.java b/src/jogl/classes/com/jogamp/graph/curve/tess/Triangulation.java new file mode 100644 index 000000000..7728efcaf --- /dev/null +++ b/src/jogl/classes/com/jogamp/graph/curve/tess/Triangulation.java @@ -0,0 +1,44 @@ +/** + * Copyright 2011 JogAmp Community. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, are + * permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, this list of + * conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, this list + * of conditions and the following disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON + * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF + * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * The views and conclusions contained in the software and documentation are those of the + * authors and should not be interpreted as representing official policies, either expressed + * or implied, of JogAmp Community. + */ + +package com.jogamp.graph.curve.tess; + +import jogamp.graph.curve.tess.CDTriangulator2D; + + +public class Triangulation { + /** Create a new instance of a triangulation. + * Currently only a modified version of Constraint Delaunay + * is implemented. + * @return instance of a triangulator + * @see Triangulator + */ + public static Triangulator create() { + return new CDTriangulator2D(); + } +} diff --git a/src/jogl/classes/com/jogamp/graph/curve/tess/Triangulator.java b/src/jogl/classes/com/jogamp/graph/curve/tess/Triangulator.java new file mode 100644 index 000000000..1ffaccebc --- /dev/null +++ b/src/jogl/classes/com/jogamp/graph/curve/tess/Triangulator.java @@ -0,0 +1,69 @@ +/** + * Copyright 2011 JogAmp Community. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, are + * permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, this list of + * conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, this list + * of conditions and the following disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON + * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF + * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * The views and conclusions contained in the software and documentation are those of the + * authors and should not be interpreted as representing official policies, either expressed + * or implied, of JogAmp Community. + */ + +package com.jogamp.graph.curve.tess; + +import java.util.ArrayList; + +import com.jogamp.graph.geom.Outline; +import com.jogamp.graph.geom.Triangle; + +/** Interface to the triangulation algorithms provided + * A triangulation of 2D outlines where you can + * provides an easy one or more outlines to be triangulated + * + * example usage: + * addCurve(o1); + * addCurve(o2); + * addCurve(o3); + * generate(); + * reset(); + * + * @see Outline + * @see Triangulation + */ +public interface Triangulator { + + /** Add a curve to the list of Outlines + * describing the shape + * @param outline a bounding {@link Outline} + */ + public void addCurve(Outline outline); + + /** Generate the triangulation of the provided + * List of {@link Outline}s + * @return an arraylist of {@link Triangle}s resembling the + * final shape. + */ + public ArrayList<Triangle> generate(); + + /** Reset the triangulation to initial state + * Clearing cached data + */ + public void reset(); +} |