From cd8caf797faf6b08e18f85afa5a4b6cce8bc7692 Mon Sep 17 00:00:00 2001 From: Sven Gothel Date: Fri, 1 Apr 2011 07:06:55 +0200 Subject: Folded turtle2d into jogl folders --- .../com/jogamp/graph/curve/OutlineShape.java | 307 +++++++++++++++++++++ .../classes/com/jogamp/graph/curve/Region.java | 128 +++++++++ .../com/jogamp/graph/curve/RegionFactory.java | 62 +++++ .../jogamp/graph/curve/opengl/RegionRenderer.java | 113 ++++++++ .../com/jogamp/graph/curve/opengl/Renderer.java | 167 +++++++++++ .../jogamp/graph/curve/opengl/TextRenderer.java | 103 +++++++ .../jogamp/graph/curve/tess/CDTriangulator2D.java | 216 +++++++++++++++ 7 files changed, 1096 insertions(+) create mode 100755 src/jogl/classes/com/jogamp/graph/curve/OutlineShape.java create mode 100755 src/jogl/classes/com/jogamp/graph/curve/Region.java create mode 100755 src/jogl/classes/com/jogamp/graph/curve/RegionFactory.java create mode 100644 src/jogl/classes/com/jogamp/graph/curve/opengl/RegionRenderer.java create mode 100644 src/jogl/classes/com/jogamp/graph/curve/opengl/Renderer.java create mode 100644 src/jogl/classes/com/jogamp/graph/curve/opengl/TextRenderer.java create mode 100644 src/jogl/classes/com/jogamp/graph/curve/tess/CDTriangulator2D.java (limited to 'src/jogl/classes/com/jogamp/graph/curve') diff --git a/src/jogl/classes/com/jogamp/graph/curve/OutlineShape.java b/src/jogl/classes/com/jogamp/graph/curve/OutlineShape.java new file mode 100755 index 000000000..827717aa5 --- /dev/null +++ b/src/jogl/classes/com/jogamp/graph/curve/OutlineShape.java @@ -0,0 +1,307 @@ +/** + * 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; + +import java.util.ArrayList; +import java.util.Collections; + +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. + * The list of triangles generated are render-able by a Region object. + * The triangulation produced by this Shape will define the + * closed region defined by the outlines. + * + * One or more OutlineShape Object can be associated to a region + * this is left as a high-level representation of the Objects. For + * optimizations, flexibility requirements for future features. + * + *

+ * Example to creating an Outline Shape: + * 
+  	addVertex(...)
+  	addVertex(...)
+  	addVertex(...)
+  	addEnptyOutline()
+  	addVertex(...)
+  	addVertex(...)
+  	addVertex(...)
+ *
+ * + * The above will create two outlines each with three vertices. By adding these two outlines to + * the OutlineShape, we are stating that the combination of the two outlines represent the shape. + *
+ * + * To specify that the shape is curved at a region, the on-curve flag should be set to false + * for the vertex that is in the middle of the curved region (if the curved region is defined by 3 + * vertices (quadratic curve). + *
+ * In case the curved region is defined by 4 or more vertices the middle vertices should both have + * the on-curve flag set to false. + * + *
Example:
+ * 
+  	addVertex(0,0, true);
+  	addVertex(0,1, false);
+  	addVertex(1,1, false);
+  	addVertex(1,0, true);
+ *
+ * + * The above snippet defines a cubic nurbs curve where (0,1 and 1,1) + * do not belong to the final rendered shape. + * + * Implementation Notes:
+ * + * + * @see Outline + * @see Region + */ +public class OutlineShape { + + public static final int QUADRATIC_NURBS = 10; + private final Vertex.Factory vertexFactory; + + /** The list of {@link Outline}s that are part of this + * outline shape. + */ + private ArrayList outlines = new ArrayList(3); + + /** Create a new Outline based Shape + */ + public OutlineShape(Vertex.Factory factory) { + vertexFactory = factory; + outlines.add(new Outline()); + } + + /** Returns the associated vertex factory of this outline shape + * @return Vertex.Factory object + */ + public final Vertex.Factory vertexFactory() { return vertexFactory; } + + /** Add a new empty {@link Outline} + * to the shape, this new outline will + * be placed at the end of the outline list. + * + * After a call to this function all new vertices added + * will belong to the new outline + */ + public void addEmptyOutline(){ + outlines.add(new Outline()); + } + + /** Adds an {@link Outline} to the OutlineShape object + * if last outline of the shape is empty, it will replace + * that last Outline with the new one. If outline is empty, + * it will do nothing. + * @param outline an Outline object + */ + public void addOutline(Outline outline){ + if(outline.isEmpty()){ + return; + } + if(getLastOutline().isEmpty()){ + outlines.remove(getLastOutline()); + } + outlines.add(outline); + } + + /** Adds a vertex to the last open outline in the + * shape. + * @param v the vertex to be added to the OutlineShape + */ + public final void addVertex(Vertex v){ + getLastOutline().addVertex(v); + } + + /** Add a 2D {@link Vertex} to the last outline by defining the coordniate attribute + * of the vertex. The 2D vertex will be represented as Z=0. + * + * @param x the x coordinate + * @param y the y coordniate + * @param onCurve flag if this vertex is on the final curve or defines a curved region + * of the shape around this vertex. + */ + public final void addVertex(float x, float y, boolean onCurve) { + getLastOutline().addVertex(vertexFactory, x, y, onCurve); + } + + /** Add a 3D {@link Vertex} to the last outline by defining the coordniate attribute + * of the vertex. + * @param x the x coordinate + * @param y the y coordniate + * @param z the z coordniate + * @param onCurve flag if this vertex is on the final curve or defines a curved region + * of the shape around this vertex. + */ + public final void addVertex(float x, float y, float z, boolean onCurve) { + getLastOutline().addVertex(vertexFactory, x, y, z, onCurve); + } + + /** Add a vertex to the last outline by passing a float array and specifying the + * offset and length in which. The attributes of the vertex are located. + * The attributes should be continuous (stride = 0). + * Attributes which value are not set (when length less than 3) + * are set implicitly to zero. + * @param coordsBuffer the coordinate array where the vertex attributes are to be picked from + * @param offset the offset in the buffer to the x coordinate + * @param length the number of attributes to pick from the buffer (maximum 3) + * @param onCurve flag if this vertex is on the final curve or defines a curved region + * of the shape around this vertex. + */ + public final void addVertex(float[] coordsBuffer, int offset, int length, boolean onCurve) { + getLastOutline().addVertex(vertexFactory, coordsBuffer, offset, length, onCurve); + } + + /** Closes the last outline in the shape + * if last vertex is not equal to first vertex. + * A new temp vertex is added at the end which + * is equal to the first. + */ + public void closeLastOutline(){ + getLastOutline().setClosed(true); + } + + /** Get the last added outline to the list + * of outlines that define the shape + * @return the last outline + */ + public final Outline getLastOutline(){ + return outlines.get(outlines.size()-1); + } + /** Make sure that the outlines represent + * the specified destinationType, if not + * transform outlines to destination type. + * @param destinationType The curve type needed + */ + public void transformOutlines(int destinationType){ + if(destinationType == QUADRATIC_NURBS){ + transformOutlinesQuadratic(); + } + } + + private void transformOutlinesQuadratic(){ + ArrayList newOutlines = new ArrayList(3); + + /**loop over the outlines and make sure no + * adj off-curve vertices + */ + for(Outline outline:outlines){ + Outline newOutline = new Outline(); + + ArrayList vertices = outline.getVertices(); + int size =vertices.size()-1; + for(int i=0;i vertices = outline.getVertices(); + for(Vertex vert:vertices){ + vert.setId(maxVertexId); + maxVertexId++; + } + } + } + + /** @return the list of vertices associated with the + * {@code Outline} list of this object + */ + public ArrayList getVertices(){ + ArrayList vertices = new ArrayList(); + for(Outline polyline:outlines){ + vertices.addAll(polyline.getVertices()); + } + return vertices; + } + + /** Triangulate the outline shape generating a list of triangles + * @return an arraylist of triangles representing the filled region + * which is produced by the combination of the outlines + */ + public ArrayList triangulate(){ + return triangulate(0.5f); + } + + /**Triangulate the {@link OutlineShape} generating a list of triangles + * @param sharpness defines the curvature strength around the off-curve vertices. + * defaults to 0.5f + * @return an arraylist of triangles representing the filled region + * which is produced by the combination of the outlines + */ + public ArrayList triangulate(float sharpness){ + if(outlines.size() == 0){ + return null; + } + sortOutlines(); + generateVertexIds(); + + CDTriangulator2D triangulator2d = new CDTriangulator2D(sharpness); + for(int index = 0; index< outlines.size();index++){ + Outline outline = outlines.get(index); + triangulator2d.addCurve(outline); + } + + ArrayList triangles = triangulator2d.generateTriangulation(); + triangulator2d.reset(); + + return triangles; + } + + /** Sort the outlines from large + * to small depending on the AABox + */ + private void sortOutlines() { + Collections.sort(outlines); + Collections.reverse(outlines); + } +} diff --git a/src/jogl/classes/com/jogamp/graph/curve/Region.java b/src/jogl/classes/com/jogamp/graph/curve/Region.java new file mode 100755 index 000000000..051cb1c38 --- /dev/null +++ b/src/jogl/classes/com/jogamp/graph/curve/Region.java @@ -0,0 +1,128 @@ +/** + * 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; + +import java.util.ArrayList; + +import com.jogamp.graph.geom.Triangle; +import com.jogamp.graph.geom.Vertex; +import com.jogamp.opengl.util.PMVMatrix; + +/** A Region is the OGL binding of one or more OutlineShapes + * Defined by its vertices and generated triangles. The Region + * defines the final shape of the OutlineShape(s), which shall produced a shaded + * region on the screen. + * + * Implementations of the Region shall take care of the OGL + * binding of the depending on its context, profile. + * + * @see RegionFactory, OutlineShape + */ +public interface Region { + /** The vertices index in an OGL object + */ + public static int VERTEX_ATTR_IDX = 0; + + /** The Texture Coord index in an OGL object + */ + public static int TEXCOORD_ATTR_IDX = 1; + + /** single pass rendering, fast, but AA might not be perfect */ + public static int SINGLE_PASS = 1; + + /** two pass rendering, slower and more resource hungry (FBO), but AA is perfect */ + public static int TWO_PASS = 2; + + /** Updates a graph region by updating the ogl related + * objects for use in rendering. if called for the first time + * it initialize the objects. + */ + public void update(); + + /** Renders the associated OGL objects specifying + * current width/hight of window for multi pass rendering + * of the region. + * @param matrix current {@link PMVMatrix}. + * @param vp_width current screen width + * @param vp_height current screen height + * @param width texture width for mp rendering + * + * @see update() + */ + public void render(PMVMatrix matrix, int vp_width, int vp_height, int width); + + /** Adds a list of {@link Triangle} objects to the Region + * These triangles are to be binded to OGL objects + * on the next call to {@code update} + * @param tris an arraylist of triangle objects + * + * @see update() + */ + public void addTriangles(ArrayList tris); + + /** Get the current number of vertices associated + * with this region. This number is not necessary equal to + * the OGL binded number of vertices. + * @return vertices count + * + * @see isDirty() + */ + public int getNumVertices(); + + /** Adds a list of {@link Vertex} objects to the Region + * These vertices are to be binded to OGL objects + * on the next call to {@code update} + * @param verts an arraylist of vertex objects + * + * @see update() + */ + public void addVertices(ArrayList verts); + + /** Check if this region is dirty. A region is marked dirty + * when new Vertices, Triangles, and or Lines are added after a + * call to update() + * @return true if region is Dirty, false otherwise + * + * @see update(); + */ + public boolean isDirty(); + + /** Delete and clean the associated OGL + * objects + */ + public void destroy(); + + public boolean isFlipped(); + + /** Set if the y coordinate of the region should be flipped + * {@code y=-y} used mainly for fonts since they use opposite vertex + * as origion + * @param flipped flag if the coordinate is flipped defaults to false. + */ + public void setFlipped(boolean flipped); +} diff --git a/src/jogl/classes/com/jogamp/graph/curve/RegionFactory.java b/src/jogl/classes/com/jogamp/graph/curve/RegionFactory.java new file mode 100755 index 000000000..d3b978b8a --- /dev/null +++ b/src/jogl/classes/com/jogamp/graph/curve/RegionFactory.java @@ -0,0 +1,62 @@ +/** + * 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; + +import javax.media.opengl.GLContext; +import javax.media.opengl.GLException; + +import com.jogamp.opengl.util.glsl.ShaderState; + +import jogamp.graph.curve.opengl.VBORegionSPES2; +import jogamp.graph.curve.opengl.VBORegion2PES2; + + +/** RegionFactory to create a Context specific Region implementation. + * + * @see Region + */ +public class RegionFactory { + + /**Create a Region based on the GLContext attached + * @param context the current {@link GLContext} + * @param st the {@link ShaderState} object + * @param type can be one of Region.SINGLE_PASS or Region.TWO_PASS + * @return region + */ + public static Region create(GLContext context, ShaderState st, int type){ + if( !context.isGL2ES2() ) { + throw new GLException("At least a GL2ES2 GL context is required. Given: " + context); + } + if( Region.TWO_PASS == type ){ + return new VBORegion2PES2(context, st); + } + else{ + return new VBORegionSPES2(context); + } + } +} diff --git a/src/jogl/classes/com/jogamp/graph/curve/opengl/RegionRenderer.java b/src/jogl/classes/com/jogamp/graph/curve/opengl/RegionRenderer.java new file mode 100644 index 000000000..c1fec10b8 --- /dev/null +++ b/src/jogl/classes/com/jogamp/graph/curve/opengl/RegionRenderer.java @@ -0,0 +1,113 @@ +package com.jogamp.graph.curve.opengl; + +import java.util.ArrayList; +import java.util.HashMap; +import java.util.Iterator; + +import javax.media.opengl.GL2ES2; + +import com.jogamp.graph.curve.OutlineShape; +import com.jogamp.graph.curve.Region; +import com.jogamp.graph.curve.RegionFactory; +import com.jogamp.graph.geom.Triangle; +import com.jogamp.graph.geom.Vertex; + +public abstract class RegionRenderer extends Renderer { + + /** Create a Hardware accelerated Curve Region Renderer + */ + public static RegionRenderer create(Vertex.Factory factory, int type) { + return new jogamp.graph.curve.opengl.RegionRendererImpl01(factory, type); + } + + public RegionRenderer(Vertex.Factory factory, int type) { + super(factory, type); + } + + /** Render an array of {@link OutlineShape}s combined in one region + * at the position provided the triangles of the + * shapes will be generated, if not yet generated + * @param outlineShapes array of OutlineShapes to Render. + * @param position the initial translation of the outlineShapes. + * @param texSize texture size for multipass render * + * @throws Exception if HwRegionRenderer not initialized + */ + public abstract void renderOutlineShapes(GL2ES2 gl, OutlineShape[] outlineShapes, float[] position, int texSize); + + /** Render an {@link OutlineShape} in 3D space at the position provided + * the triangles of the shapes will be generated, if not yet generated + * @param outlineShape the OutlineShape to Render. + * @param position the initial translation of the outlineShape. + * @param texSize texture size for multipass render + * @throws Exception if HwRegionRenderer not initialized + */ + public abstract void renderOutlineShape(GL2ES2 gl, OutlineShape outlineShape, float[] position, int texSize); + + protected HashMap regions = new HashMap(); + + public void flushCache() { + Iterator iterator = regions.values().iterator(); + while(iterator.hasNext()){ + Region region = iterator.next(); + region.destroy(); + } + regions.clear(); + } + + /** Create an ogl {@link Region} defining this {@link OutlineShape} + * @param sharpness parameter for Region generation + * @return the resulting Region. + */ + protected Region createRegion(GL2ES2 gl, OutlineShape outlineShape, float sharpness) { + Region region = RegionFactory.create(gl.getContext(), st, renderType); + + outlineShape.transformOutlines(OutlineShape.QUADRATIC_NURBS); + + ArrayList triangles = (ArrayList) outlineShape.triangulate(sharpness); + ArrayList vertices = (ArrayList) outlineShape.getVertices(); + region.addVertices(vertices); + region.addTriangles(triangles); + + region.update(); + return region; + } + + /** Create an ogl {@link Region} defining the list of {@link OutlineShape}. + * Combining the Shapes into single buffers. + * @param sharpness parameter for Region generation + * @return the resulting Region inclusive the generated region + */ + protected Region createRegion(GL2ES2 gl, OutlineShape[] outlineShapes, float sharpness) { + Region region = RegionFactory.create(gl.getContext(), st, renderType); + + int numVertices = region.getNumVertices(); + + for(OutlineShape outlineShape:outlineShapes){ + outlineShape.transformOutlines(OutlineShape.QUADRATIC_NURBS); + + ArrayList triangles = outlineShape.triangulate(sharpness); + region.addTriangles(triangles); + + ArrayList vertices = outlineShape.getVertices(); + for(Vertex vert:vertices){ + vert.setId(numVertices++); + } + region.addVertices(vertices); + } + + region.update(); + return region; + } + + protected static int getHashCode(OutlineShape outlineShape){ + return outlineShape.hashCode(); + } + + protected static int getHashCode(OutlineShape[] outlineShapes){ + int hashcode = 0; + for(OutlineShape outlineShape:outlineShapes){ + hashcode += getHashCode(outlineShape); + } + return hashcode; + } +} \ No newline at end of file diff --git a/src/jogl/classes/com/jogamp/graph/curve/opengl/Renderer.java b/src/jogl/classes/com/jogamp/graph/curve/opengl/Renderer.java new file mode 100644 index 000000000..863928ed4 --- /dev/null +++ b/src/jogl/classes/com/jogamp/graph/curve/opengl/Renderer.java @@ -0,0 +1,167 @@ +package com.jogamp.graph.curve.opengl; + +import javax.media.opengl.GL2ES2; +import javax.media.opengl.GLUniformData; +import javax.media.opengl.fixedfunc.GLMatrixFunc; + +import jogamp.opengl.Debug; + +import com.jogamp.graph.geom.Vertex; +import com.jogamp.graph.geom.opengl.SVertex; +import com.jogamp.opengl.util.PMVMatrix; +import com.jogamp.opengl.util.glsl.ShaderState; + +public abstract class Renderer { + protected static final boolean DEBUG = Debug.debug("CurveRenderer"); + + protected abstract boolean initImpl(GL2ES2 gl); + + protected abstract void disposeImpl(GL2ES2 gl); + + /** + * Flushes all cached data + */ + public abstract void flushCache(); + + public abstract float getAlpha(); + + public abstract void setAlpha(GL2ES2 gl, float alpha_t); + + public abstract void setColor(GL2ES2 gl, float r, float g, float b); + + protected final Vertex.Factory pointFactory; + protected ShaderState st = new ShaderState(); + protected PMVMatrix pmvMatrix = new PMVMatrix(); + protected GLUniformData mgl_PMVMatrix; + protected int renderType; + protected int vp_width = 0; + protected int vp_height = 0; + + private boolean vboSupported = false; + private boolean initialized = false; + + /** + * + * @param factory + * @param renderType either {@link com.jogamp.graph.curve.Region#SINGLE_PASS} or {@link com.jogamp.graph.curve.Region#TWO_PASS} + */ + protected Renderer(Vertex.Factory factory, int renderType) { + this.renderType = renderType; + this.pointFactory = (null != factory) ? factory : SVertex.factory(); + } + + public Vertex.Factory getFactory() { return pointFactory; } + + public final boolean isInitialized() { return initialized; } + + public final boolean isVBOSupported() { return vboSupported; } + + public final int getRenderType() { return renderType; } + + public final int getWidth() { return vp_width; } + public final int getHeight() { return vp_height; } + + /** + * Initialize shaders and bindings for GPU based rendering. + * Leaves the renderer enabled, ie ShaderState on. + * + * @param gl the current GL state + * @return true if succeeded, false otherwise + */ + public boolean init(GL2ES2 gl) { + if(initialized){ + if(DEBUG) { + System.err.println("TextRenderer: Already initialized!"); + } + return true; + } + vboSupported = gl.isFunctionAvailable("glGenBuffers") && + gl.isFunctionAvailable("glBindBuffer") && + gl.isFunctionAvailable("glBufferData") && + gl.isFunctionAvailable("glDrawElements") && + gl.isFunctionAvailable("glVertexAttribPointer") && + gl.isFunctionAvailable("glDeleteBuffers"); + + if(DEBUG) { + System.err.println("TextRendererImpl01: VBO Supported = " + isVBOSupported()); + } + + initialized = initImpl(gl); + return initialized; + } + + public void dispose(GL2ES2 gl) { + if(!initialized){ + if(DEBUG) { + System.err.println("TextRenderer: Not initialized!"); + } + return; + } + disposeImpl(gl); + st.destroy(gl); + flushCache(); + initialized = false; + } + + public final ShaderState getShaderState() { return st; } + + public final PMVMatrix getMatrix() { return pmvMatrix; } + + public void rotate(GL2ES2 gl, float angle, float x, float y, float z) { + pmvMatrix.glRotatef(angle, x, y, z); + if(initialized && null != gl && st.inUse()) { + st.glUniform(gl, mgl_PMVMatrix); + } + } + + public void translate(GL2ES2 gl, float x, float y, float z) { + pmvMatrix.glTranslatef(x, y, z); + if(initialized && null != gl && st.inUse()) { + st.glUniform(gl, mgl_PMVMatrix); + } + } + + public void resetModelview(GL2ES2 gl) { + pmvMatrix.glMatrixMode(GLMatrixFunc.GL_MODELVIEW); + pmvMatrix.glLoadIdentity(); + if(initialized && null != gl && st.inUse()) { + st.glUniform(gl, mgl_PMVMatrix); + } + } + + public void updateMatrix(GL2ES2 gl) { + if(initialized && null != gl && st.inUse()) { + st.glUniform(gl, mgl_PMVMatrix); + } + } + + public boolean reshapePerspective(GL2ES2 gl, float angle, int width, int height, float near, float far) { + this.vp_width = width; + this.vp_height = height; + float ratio = (float)width/(float)height; + pmvMatrix.glMatrixMode(GLMatrixFunc.GL_PROJECTION); + pmvMatrix.glLoadIdentity(); + pmvMatrix.gluPerspective(angle, ratio, near, far); + + if(initialized && null != gl) { + st.glUniform(gl, mgl_PMVMatrix); + } + + return true; + } + + public boolean reshapeOrtho(GL2ES2 gl, int width, int height, float near, float far) { + this.vp_width = width; + this.vp_height = height; + pmvMatrix.glMatrixMode(GLMatrixFunc.GL_PROJECTION); + pmvMatrix.glLoadIdentity(); + pmvMatrix.glOrthof(0, width, 0, height, near, far); + + if(initialized && null != gl) { + st.glUniform(gl, mgl_PMVMatrix); + } + + return true; + } + +} \ No newline at end of file diff --git a/src/jogl/classes/com/jogamp/graph/curve/opengl/TextRenderer.java b/src/jogl/classes/com/jogamp/graph/curve/opengl/TextRenderer.java new file mode 100644 index 000000000..2bb99d27c --- /dev/null +++ b/src/jogl/classes/com/jogamp/graph/curve/opengl/TextRenderer.java @@ -0,0 +1,103 @@ +package com.jogamp.graph.curve.opengl; + +import java.util.ArrayList; +import java.util.HashMap; +import java.util.Iterator; + +import javax.media.opengl.GL2ES2; + +import jogamp.graph.curve.text.GlyphString; +import jogamp.graph.font.FontInt; +import jogamp.graph.geom.plane.AffineTransform; +import jogamp.graph.geom.plane.Path2D; + +import com.jogamp.graph.font.Font; +import com.jogamp.graph.geom.Vertex; + +public abstract class TextRenderer extends Renderer { + + /** + * Create a Hardware accelerated Text Renderer. + * @param factory optional Point.Factory for Vertex construction. Default is Vertex.Factory. + */ + public static TextRenderer create(Vertex.Factory factory, int type) { + return new jogamp.graph.curve.opengl.TextRendererImpl01(factory, type); + } + + protected TextRenderer(Vertex.Factory factory, int type) { + super(factory, type); + } + + /** Render the String in 3D space wrt to the font provided at the position provided + * the outlines will be generated, if not yet generated + * @param gl the current GL state + * @param font {@link Font} to be used + * @param str text to be rendered + * @param position the lower left corner of the string + * @param fontSize font size + * @param texSize texture size for multipass render + * @throws Exception if TextRenderer not initialized + */ + public abstract void renderString3D(GL2ES2 gl, Font font, + String str, float[] position, int fontSize, int texSize); + + /**Create the resulting {@link GlyphString} that represents + * the String wrt to the font. + * @param font {@link Font} to be used + * @param size font size + * @param str {@link String} to be created + * @param sharpness parameter for Region generation of the resulting GlyphString + * @return the resulting GlyphString inclusive the generated region + */ + protected GlyphString createString(GL2ES2 gl, Font font, int size, String str, float sharpness) { + AffineTransform affineTransform = new AffineTransform(pointFactory); + + Path2D[] paths = new Path2D[str.length()]; + ((FontInt)font).getOutline(str, size, affineTransform, paths); + + GlyphString glyphString = new GlyphString(pointFactory, font.getName(), str); + glyphString.createfromFontPath(paths, affineTransform); + glyphString.generateRegion(gl.getContext(), sharpness, st, renderType); + + return glyphString; + } + + public void flushCache() { + Iterator iterator = stringCacheMap.values().iterator(); + while(iterator.hasNext()){ + GlyphString glyphString = iterator.next(); + glyphString.destroy(); + } + stringCacheMap.clear(); + stringCacheArray.clear(); + } + + public final void setCacheMaxSize(int newSize ) { stringCacheMaxSize = newSize; validateCache(0); } + public final int getCacheMaxSize() { return stringCacheMaxSize; } + public final int getCacheSize() { return stringCacheArray.size(); } + + protected void validateCache(int space) { + while ( getCacheSize() + space > getCacheMaxSize() ) { + String key = stringCacheArray.remove(0); + stringCacheMap.remove(key); + } + } + + protected GlyphString getCachedGlyphString(Font font, String str, int fontSize) { + final String key = font.getName() + "." + str.hashCode() + "." + fontSize; + return stringCacheMap.get(key); + } + + protected void addCachedGlyphString(Font font, String str, int fontSize, GlyphString glyphString) { + final String key = font.getName() + "." + str.hashCode() + "." + fontSize; + validateCache(1); + stringCacheMap.put(key, glyphString); + stringCacheArray.add(stringCacheArray.size(), key); + } + + // Cache is adding at the end of the array + public static final int DEFAULT_CACHE_SIZE = 32; + private HashMap stringCacheMap = new HashMap(DEFAULT_CACHE_SIZE); + private ArrayList stringCacheArray = new ArrayList(DEFAULT_CACHE_SIZE); + private int stringCacheMaxSize = DEFAULT_CACHE_SIZE; // -1 unlimited, 0 off, >0 limited +} \ No newline at end of file diff --git a/src/jogl/classes/com/jogamp/graph/curve/tess/CDTriangulator2D.java b/src/jogl/classes/com/jogamp/graph/curve/tess/CDTriangulator2D.java new file mode 100644 index 000000000..a2e4ca50f --- /dev/null +++ b/src/jogl/classes/com/jogamp/graph/curve/tess/CDTriangulator2D.java @@ -0,0 +1,216 @@ +/** + * 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 loops; + private ArrayList vertices; + + private ArrayList triangles; + private int maxTriID = 0; + + + public CDTriangulator2D() { + this(0.5f); + } + + /** Constructor for a new Delaunay triangulator + * @param curveSharpness the curvature around + * the off-curve vertices + */ + public CDTriangulator2D(float curveSharpness) { + this.sharpness = curveSharpness; + reset(); + } + + /** Reset the triangulation to initial state + * Clearing cached data + */ + public void reset() { + maxTriID = 0; + vertices = new ArrayList(); + triangles = new ArrayList(3); + loops = new ArrayList(); + } + + /** Add a curve to the list of profiles provided + * @param polyline a bounding {@link Outline} + */ + public void addCurve(Outline polyline){ + Loop loop = null; + + 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.CCW); + loops.add(loop); + } + else { + GraphOutline outline = new GraphOutline(polyline); + GraphOutline innerPoly = extractBoundaryTriangles(outline, true); + vertices.addAll(innerPoly.getPoints()); + loop.addConstraintCurve(innerPoly); + } + } + + /** Generate the triangulation of the provided + * List of {@link Outline}s + */ + public ArrayList generateTriangulation(){ + for(int i=0;i 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 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); + + Triangle t= null; + boolean holeLike = false; + if(VectorUtil.ccw(v0,v1,v2)){ + 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 vertices = polyline.getVertices(); + for(Vertex vert: vertices){ + for (Loop loop:loops){ + if(loop.checkInside(vert)){ + return loop; + } + } + } + return null; + } +} -- cgit v1.2.3