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-rwxr-xr-xturtle2d/src/jogamp/graph/curve/opengl/RegionRendererImpl01.java206
-rw-r--r--turtle2d/src/jogamp/graph/curve/opengl/TextRendererImpl01.java188
-rw-r--r--turtle2d/src/jogamp/graph/curve/opengl/VBORegion2PES2.java385
-rw-r--r--turtle2d/src/jogamp/graph/curve/opengl/VBORegionSPES2.java185
-rw-r--r--turtle2d/src/jogamp/graph/curve/opengl/shader/curverenderer01.fp99
-rw-r--r--turtle2d/src/jogamp/graph/curve/opengl/shader/curverenderer01.vp13
-rw-r--r--turtle2d/src/jogamp/graph/curve/tess/GraphOutline.java81
-rw-r--r--turtle2d/src/jogamp/graph/curve/tess/GraphVertex.java120
-rw-r--r--turtle2d/src/jogamp/graph/curve/tess/HEdge.java130
-rw-r--r--turtle2d/src/jogamp/graph/curve/tess/Loop.java373
-rw-r--r--turtle2d/src/jogamp/graph/curve/text/GlyphShape.java161
-rw-r--r--turtle2d/src/jogamp/graph/curve/text/GlyphString.java163
12 files changed, 2104 insertions, 0 deletions
diff --git a/turtle2d/src/jogamp/graph/curve/opengl/RegionRendererImpl01.java b/turtle2d/src/jogamp/graph/curve/opengl/RegionRendererImpl01.java
new file mode 100755
index 000000000..c1f293fff
--- /dev/null
+++ b/turtle2d/src/jogamp/graph/curve/opengl/RegionRendererImpl01.java
@@ -0,0 +1,206 @@
+/**
+ * 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 jogamp.graph.curve.opengl;
+
+import java.nio.FloatBuffer;
+import javax.media.opengl.GL2ES2;
+import javax.media.opengl.GLException;
+import javax.media.opengl.GLUniformData;
+import javax.media.opengl.fixedfunc.GLMatrixFunc;
+
+import com.jogamp.graph.curve.OutlineShape;
+import com.jogamp.graph.curve.Region;
+import com.jogamp.graph.curve.opengl.RegionRenderer;
+import com.jogamp.graph.geom.Vertex;
+import com.jogamp.opengl.util.glsl.ShaderCode;
+import com.jogamp.opengl.util.glsl.ShaderProgram;
+import com.jogamp.opengl.util.glsl.ShaderState;
+
+
+public class RegionRendererImpl01 extends RegionRenderer {
+ /**Sharpness is equivalent to the value of t value of texture coord
+ * on the off-curve vertex. The high value of sharpness will
+ * result in high curvature.
+ */
+ private GLUniformData mgl_sharpness = new GLUniformData("p1y", 0.5f);
+ GLUniformData mgl_alpha = new GLUniformData("g_alpha", 1.0f);
+ private GLUniformData mgl_color = new GLUniformData("g_color", 3, FloatBuffer.allocate(3));
+ private GLUniformData mgl_strength = new GLUniformData("a_strength", 3.0f);
+
+ public RegionRendererImpl01(Vertex.Factory<? extends Vertex> factory, int type) {
+ super(factory, type);
+ }
+
+ protected boolean initImpl(GL2ES2 gl) {
+ boolean VBOsupported = gl.isFunctionAvailable("glGenBuffers") &&
+ gl.isFunctionAvailable("glBindBuffer") &&
+ gl.isFunctionAvailable("glBufferData") &&
+ gl.isFunctionAvailable("glDrawElements") &&
+ gl.isFunctionAvailable("glVertexAttribPointer") &&
+ gl.isFunctionAvailable("glDeleteBuffers");
+
+ if(DEBUG) {
+ System.err.println("RegionRenderer: VBO Supported = " + VBOsupported);
+ }
+
+ if(!VBOsupported){
+ return false;
+ }
+
+ gl.glEnable(GL2ES2.GL_BLEND);
+ gl.glBlendFunc(GL2ES2.GL_SRC_ALPHA, GL2ES2.GL_ONE_MINUS_SRC_ALPHA);
+
+ ShaderCode rsVp = ShaderCode.create(gl, GL2ES2.GL_VERTEX_SHADER, 1, RegionRendererImpl01.class,
+ "shader", "shader/bin", "curverenderer01");
+ ShaderCode rsFp = ShaderCode.create(gl, GL2ES2.GL_FRAGMENT_SHADER, 1, RegionRendererImpl01.class,
+ "shader", "shader/bin", "curverenderer01");
+
+ ShaderProgram sp = new ShaderProgram();
+ sp.add(rsVp);
+ sp.add(rsFp);
+
+ if(!sp.link(gl, System.err)) {
+ throw new GLException("RegionRenderer: Couldn't link program: "+sp);
+ }
+
+ st = new ShaderState();
+ st.attachShaderProgram(gl, sp);
+ gl.glBindAttribLocation(sp.id(), 0, "v_position");
+ gl.glBindAttribLocation(sp.id(), 1, "texCoord");
+
+ st.glUseProgram(gl, true);
+
+ pmvMatrix.glMatrixMode(GLMatrixFunc.GL_PROJECTION);
+ pmvMatrix.glLoadIdentity();
+ pmvMatrix.glMatrixMode(GLMatrixFunc.GL_MODELVIEW);
+ pmvMatrix.glLoadIdentity();
+
+ pmvMatrix.glMatrixMode(GLMatrixFunc.GL_PROJECTION);
+ pmvMatrix.glLoadIdentity();
+ resetModelview(null);
+
+ mgl_PMVMatrix = new GLUniformData("mgl_PMVMatrix", 4, 4, pmvMatrix.glGetPMvMatrixf());
+ if(!st.glUniform(gl, mgl_PMVMatrix)) {
+ if(DEBUG){
+ System.err.println("Error setting PMVMatrix in shader: "+st);
+ }
+ return false;
+ }
+
+ if(!st.glUniform(gl, mgl_sharpness)) {
+ if(DEBUG){
+ System.err.println("Error setting sharpness in shader: "+st);
+ }
+ return false;
+ }
+
+ if(!st.glUniform(gl, mgl_alpha)) {
+ if(DEBUG){
+ System.err.println("Error setting global alpha in shader: "+st);
+ }
+ return false;
+ }
+
+ if(!st.glUniform(gl, mgl_color)) {
+ if(DEBUG){
+ System.err.println("Error setting global color in shader: "+st);
+ }
+ return false;
+ }
+
+ if(!st.glUniform(gl, mgl_strength)) {
+ System.err.println("Error setting antialias strength in shader: "+st);
+ }
+
+ if(DEBUG) {
+ System.err.println("RegionRendererImpl01 initialized: " + Thread.currentThread()+" "+st);
+ }
+ return true;
+ }
+
+ @Override
+ protected void disposeImpl(GL2ES2 gl) {
+ }
+
+
+ @Override
+ public float getAlpha() {
+ return mgl_alpha.floatValue();
+ }
+
+ @Override
+ public void setAlpha(GL2ES2 gl, float alpha_t) {
+ mgl_alpha.setData(alpha_t);
+ if(null != gl && st.inUse()) {
+ st.glUniform(gl, mgl_alpha);
+ }
+ }
+
+ @Override
+ public void setColor(GL2ES2 gl, float r, float g, float b){
+ FloatBuffer fb = (FloatBuffer) mgl_color.getBuffer();
+ fb.put(0, r);
+ fb.put(1, r);
+ fb.put(2, r);
+ if(null != gl && st.inUse()) {
+ st.glUniform(gl, mgl_color);
+ }
+ }
+
+
+ @Override
+ public void renderOutlineShape(GL2ES2 gl, OutlineShape outlineShape, float[] position, int texSize) {
+ if(!isInitialized()){
+ throw new GLException("RegionRendererImpl01: not initialized!");
+ }
+ int hashCode = getHashCode(outlineShape);
+ Region region = regions.get(hashCode);
+
+ if(null == region) {
+ region = createRegion(gl, outlineShape, mgl_sharpness.floatValue());
+ regions.put(hashCode, region);
+ }
+ region.render(pmvMatrix, vp_width, vp_height, texSize);
+ }
+
+ @Override
+ public void renderOutlineShapes(GL2ES2 gl, OutlineShape[] outlineShapes, float[] position, int texSize) {
+ if(!isInitialized()){
+ throw new GLException("RegionRendererImpl01: not initialized!");
+ }
+
+ int hashCode = getHashCode(outlineShapes);
+ Region region = regions.get(hashCode);
+
+ if(null == region) {
+ region = createRegion(gl, outlineShapes, mgl_sharpness.floatValue());
+ regions.put(hashCode, region);
+ }
+ region.render(pmvMatrix, vp_width, vp_height, texSize);
+ }
+}
diff --git a/turtle2d/src/jogamp/graph/curve/opengl/TextRendererImpl01.java b/turtle2d/src/jogamp/graph/curve/opengl/TextRendererImpl01.java
new file mode 100644
index 000000000..cebe7a19e
--- /dev/null
+++ b/turtle2d/src/jogamp/graph/curve/opengl/TextRendererImpl01.java
@@ -0,0 +1,188 @@
+/**
+ * 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 jogamp.graph.curve.opengl;
+
+import java.nio.FloatBuffer;
+
+import javax.media.opengl.GL2ES2;
+import javax.media.opengl.GLException;
+import javax.media.opengl.GLUniformData;
+import javax.media.opengl.fixedfunc.GLMatrixFunc;
+
+import jogamp.graph.curve.text.GlyphString;
+
+import com.jogamp.graph.curve.opengl.TextRenderer;
+import com.jogamp.graph.font.Font;
+import com.jogamp.graph.geom.Vertex;
+import com.jogamp.opengl.util.glsl.ShaderCode;
+import com.jogamp.opengl.util.glsl.ShaderProgram;
+
+public class TextRendererImpl01 extends TextRenderer {
+ /**Sharpness is equivalent to the value of t value of texture coord
+ * on the off-curve vertex. The high value of sharpness will
+ * result in high curvature.
+ */
+ private GLUniformData mgl_sharpness = new GLUniformData("p1y", 0.5f);
+ GLUniformData mgl_alpha = new GLUniformData("g_alpha", 1.0f);
+ private GLUniformData mgl_color = new GLUniformData("g_color", 3, FloatBuffer.allocate(3));
+ private GLUniformData mgl_strength = new GLUniformData("a_strength", 1.8f);
+
+ public TextRendererImpl01(Vertex.Factory<? extends Vertex> factory, int type) {
+ super(factory, type);
+ }
+
+ @Override
+ protected boolean initImpl(GL2ES2 gl){
+ boolean 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 = " + VBOsupported);
+ }
+
+ if(!VBOsupported){
+ return false;
+ }
+
+ gl.glEnable(GL2ES2.GL_BLEND);
+ gl.glBlendFunc(GL2ES2.GL_SRC_ALPHA, GL2ES2.GL_ONE_MINUS_SRC_ALPHA);
+
+ ShaderCode rsVp = ShaderCode.create(gl, GL2ES2.GL_VERTEX_SHADER, 1, TextRendererImpl01.class,
+ "shader", "shader/bin", "curverenderer01");
+ ShaderCode rsFp = ShaderCode.create(gl, GL2ES2.GL_FRAGMENT_SHADER, 1, TextRendererImpl01.class,
+ "shader", "shader/bin", "curverenderer01");
+
+ ShaderProgram sp = new ShaderProgram();
+ sp.add(rsVp);
+ sp.add(rsFp);
+
+ if(!sp.link(gl, System.err)) {
+ throw new GLException("TextRendererImpl01: Couldn't link program: "+sp);
+ }
+
+ st.attachShaderProgram(gl, sp);
+ gl.glBindAttribLocation(sp.id(), 0, "v_position");
+ gl.glBindAttribLocation(sp.id(), 1, "texCoord");
+
+ st.glUseProgram(gl, true);
+
+ pmvMatrix.glMatrixMode(GLMatrixFunc.GL_PROJECTION);
+ pmvMatrix.glLoadIdentity();
+ pmvMatrix.glMatrixMode(GLMatrixFunc.GL_MODELVIEW);
+ pmvMatrix.glLoadIdentity();
+
+ pmvMatrix.glMatrixMode(GLMatrixFunc.GL_PROJECTION);
+ pmvMatrix.glLoadIdentity();
+ resetModelview(null);
+
+ mgl_PMVMatrix = new GLUniformData("mgl_PMVMatrix", 4, 4, pmvMatrix.glGetPMvMatrixf());
+ if(!st.glUniform(gl, mgl_PMVMatrix)) {
+ if(DEBUG){
+ System.err.println("Error setting PMVMatrix in shader: "+st);
+ }
+ return false;
+ }
+
+ if(!st.glUniform(gl, mgl_sharpness)) {
+ if(DEBUG){
+ System.err.println("Error setting sharpness in shader: "+st);
+ }
+ return false;
+ }
+
+ if(!st.glUniform(gl, mgl_alpha)) {
+ if(DEBUG){
+ System.err.println("Error setting global alpha in shader: "+st);
+ }
+ return false;
+ }
+
+ if(!st.glUniform(gl, mgl_color)) {
+ if(DEBUG){
+ System.err.println("Error setting global color in shader: "+st);
+ }
+ return false;
+ }
+
+ if(!st.glUniform(gl, mgl_strength)) {
+ System.err.println("Error setting antialias strength in shader: "+st);
+ }
+
+ if(DEBUG) {
+ System.err.println("TextRendererImpl01 initialized: " + Thread.currentThread()+" "+st);
+ }
+ return true;
+ }
+
+ @Override
+ protected void disposeImpl(GL2ES2 gl) {
+ }
+
+ @Override
+ public float getAlpha() {
+ return mgl_alpha.floatValue();
+ }
+
+ @Override
+ public void setAlpha(GL2ES2 gl, float alpha_t) {
+ mgl_alpha.setData(alpha_t);
+ if(null != gl && st.inUse()) {
+ st.glUniform(gl, mgl_alpha);
+ }
+ }
+
+ @Override
+ public void setColor(GL2ES2 gl, float r, float g, float b){
+ FloatBuffer fb = (FloatBuffer) mgl_color.getBuffer();
+ fb.put(0, r);
+ fb.put(1, r);
+ fb.put(2, r);
+ if(null != gl && st.inUse()) {
+ st.glUniform(gl, mgl_color);
+ }
+ }
+
+ @Override
+ public void renderString3D(GL2ES2 gl, Font font, String str, float[] position, int fontSize, int texSize) {
+ if(!isInitialized()){
+ throw new GLException("TextRendererImpl01: not initialized!");
+ }
+ GlyphString glyphString = getCachedGlyphString(font, str, fontSize);
+ if(null == glyphString) {
+ glyphString = createString(gl, font, fontSize, str, mgl_sharpness.floatValue());
+ addCachedGlyphString(font, str, fontSize, glyphString);
+ }
+
+ glyphString.renderString3D(pmvMatrix, vp_width, vp_height, texSize);
+ }
+
+}
diff --git a/turtle2d/src/jogamp/graph/curve/opengl/VBORegion2PES2.java b/turtle2d/src/jogamp/graph/curve/opengl/VBORegion2PES2.java
new file mode 100644
index 000000000..c7c370f6d
--- /dev/null
+++ b/turtle2d/src/jogamp/graph/curve/opengl/VBORegion2PES2.java
@@ -0,0 +1,385 @@
+/**
+ * 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 jogamp.graph.curve.opengl;
+
+import java.nio.FloatBuffer;
+import java.nio.IntBuffer;
+import java.nio.ShortBuffer;
+import java.util.ArrayList;
+
+import javax.media.opengl.GL2ES2;
+// FIXME: Subsume GL2GL3.GL_DRAW_FRAMEBUFFER -> GL2ES2.GL_DRAW_FRAMEBUFFER !
+import javax.media.opengl.GL2GL3;
+import javax.media.opengl.GLContext;
+import javax.media.opengl.GLUniformData;
+import javax.media.opengl.fixedfunc.GLMatrixFunc;
+
+import com.jogamp.common.nio.Buffers;
+
+import com.jogamp.graph.geom.AABBox;
+import com.jogamp.graph.geom.Triangle;
+import com.jogamp.graph.geom.Vertex;
+
+import com.jogamp.graph.curve.Region;
+import com.jogamp.opengl.util.PMVMatrix;
+import com.jogamp.opengl.util.glsl.ShaderState;
+
+public class VBORegion2PES2 implements Region{
+ private int numVertices = 0;
+ private IntBuffer vboIds;
+
+ private IntBuffer t_vboIds;
+
+ private ArrayList<Triangle> triangles = new ArrayList<Triangle>();
+ private ArrayList<Vertex> vertices = new ArrayList<Vertex>();
+ private GLContext context;
+
+ private int numBuffers = 3;
+
+ private boolean flipped = false;
+
+ private boolean dirty = false;
+
+ private AABBox box = null;
+ private int[] texture = { 0 } ;
+ private int[] fbo = { 0 } ;
+ private int[] rbo_depth = { 0 } ;
+ private boolean texInitialized = false;
+
+ private int tex_width_c = 0;
+ private int tex_height_c = 0;
+
+ private ShaderState st;
+
+ public VBORegion2PES2(GLContext context, ShaderState st){
+ this.context =context;
+ this.st = st;
+ }
+
+ public void update(){
+ box = new AABBox();
+
+ GL2ES2 gl = context.getGL().getGL2ES2();
+ ShortBuffer indicies = Buffers.newDirectShortBuffer(triangles.size() * 3);
+
+ for(Triangle t:triangles){
+ if(t.getVertices()[0].getId() == Integer.MAX_VALUE){
+ t.getVertices()[0].setId(numVertices++);
+ t.getVertices()[1].setId(numVertices++);
+ t.getVertices()[2].setId(numVertices++);
+
+ vertices.add(t.getVertices()[0]);
+ vertices.add(t.getVertices()[1]);
+ vertices.add(t.getVertices()[2]);
+
+ indicies.put((short) t.getVertices()[0].getId());
+ indicies.put((short) t.getVertices()[1].getId());
+ indicies.put((short) t.getVertices()[2].getId());
+ }
+ else{
+ Vertex v1 = t.getVertices()[0];
+ Vertex v2 = t.getVertices()[1];
+ Vertex v3 = t.getVertices()[2];
+
+ indicies.put((short) v1.getId());
+ indicies.put((short) v2.getId());
+ indicies.put((short) v3.getId());
+ }
+ }
+ indicies.rewind();
+
+ FloatBuffer verticesBuffer = Buffers.newDirectFloatBuffer(vertices.size() * 3);
+ for(Vertex v:vertices){
+ verticesBuffer.put(v.getX());
+ if(flipped){
+ verticesBuffer.put(-1*v.getY());
+ }
+ else{
+ verticesBuffer.put(v.getY());
+ }
+ verticesBuffer.put(v.getZ());
+ if(flipped){
+ box.resize(v.getX(), -1*v.getY(), v.getZ());
+ }
+ else{
+ box.resize(v.getX(), v.getY(), v.getZ());
+ }
+ }
+ verticesBuffer.rewind();
+
+ FloatBuffer texCoordBuffer = Buffers.newDirectFloatBuffer(vertices.size() * 2);
+ for(Vertex v:vertices){
+ float[] tex = v.getTexCoord();
+ texCoordBuffer.put(tex[0]);
+ texCoordBuffer.put(tex[1]);
+ }
+ texCoordBuffer.rewind();
+
+ vboIds = IntBuffer.allocate(numBuffers);
+ gl.glGenBuffers(numBuffers, vboIds);
+
+ gl.glBindBuffer(GL2ES2.GL_ARRAY_BUFFER, vboIds.get(0)); // vertices
+ gl.glBufferData(GL2ES2.GL_ARRAY_BUFFER, numVertices * 3 * Buffers.SIZEOF_FLOAT, verticesBuffer, GL2ES2.GL_STATIC_DRAW);
+ gl.glBindBuffer(GL2ES2.GL_ARRAY_BUFFER, 0);
+
+ gl.glBindBuffer(GL2ES2.GL_ARRAY_BUFFER, vboIds.get(1)); //texture
+ gl.glBufferData(GL2ES2.GL_ARRAY_BUFFER, numVertices * 2 * Buffers.SIZEOF_FLOAT, texCoordBuffer, GL2ES2.GL_STATIC_DRAW);
+ gl.glBindBuffer(GL2ES2.GL_ARRAY_BUFFER, 0);
+
+ gl.glBindBuffer(GL2ES2.GL_ELEMENT_ARRAY_BUFFER, vboIds.get(2)); //triangles
+ gl.glBufferData(GL2ES2.GL_ELEMENT_ARRAY_BUFFER, triangles.size()* 3 * Buffers.SIZEOF_SHORT, indicies, GL2ES2.GL_STATIC_DRAW);
+ gl.glBindBuffer(GL2ES2.GL_ELEMENT_ARRAY_BUFFER, 0);
+
+ dirty = false;
+ }
+
+ public void render(PMVMatrix matrix, int vp_width, int vp_height, int width){
+ if(null == matrix || vp_width <=0 || vp_height <= 0 || width <= 0){
+ renderRegion();
+ }
+ else {
+ if(width != tex_width_c){
+ texInitialized = false;
+ tex_width_c = width;
+ }
+ if(!texInitialized){
+ initFBOTexture(matrix,vp_width, vp_height);
+ texInitialized = true;
+ }
+// System.out.println("Scale: " + matrix.glGetMatrixf().get(1+4*3) +" " + matrix.glGetMatrixf().get(2+4*3));
+ renderTexture(matrix, vp_width, vp_height);
+ }
+ }
+
+ private void renderTexture(PMVMatrix matrix, int width, int hight){
+ GL2ES2 gl = context.getGL().getGL2ES2();
+ gl.glViewport(0, 0, width, hight);
+ if(!st.glUniform(gl, new GLUniformData("mgl_PMVMatrix", 4, 4, matrix.glGetPMvMatrixf()))){
+ System.out.println("Cnt set tex based mat");
+ }
+ gl.glEnable(GL2ES2.GL_TEXTURE_2D);
+ gl.glActiveTexture(GL2ES2.GL_TEXTURE0);
+ gl.glBindTexture(GL2ES2.GL_TEXTURE_2D, texture[0]);
+
+ st.glUniform(gl, new GLUniformData("texture", texture[0]));
+ int loc = gl.glGetUniformLocation(st.shaderProgram().id(), "texture");
+ gl.glUniform1i(loc, 0);
+
+
+ gl.glBindBuffer(GL2ES2.GL_ARRAY_BUFFER, t_vboIds.get(0));
+ gl.glEnableVertexAttribArray(VERTEX_ATTR_IDX);
+ gl.glVertexAttribPointer(VERTEX_ATTR_IDX, 3, GL2ES2.GL_FLOAT, false, 3 * Buffers.SIZEOF_FLOAT, 0);
+
+ gl.glBindBuffer(GL2ES2.GL_ARRAY_BUFFER, t_vboIds.get(1));
+ gl.glEnableVertexAttribArray(TEXCOORD_ATTR_IDX);
+ gl.glVertexAttribPointer(TEXCOORD_ATTR_IDX, 2, GL2ES2.GL_FLOAT, false, 2 * Buffers.SIZEOF_FLOAT, 0);
+
+ gl.glBindBuffer(GL2ES2.GL_ELEMENT_ARRAY_BUFFER, t_vboIds.get(2));
+ gl.glDrawElements(GL2ES2.GL_TRIANGLES, 2 * 3, GL2ES2.GL_UNSIGNED_SHORT, 0);
+
+ gl.glBindBuffer(GL2ES2.GL_ARRAY_BUFFER, 0);
+ }
+
+ private void setupBoundingBuffers(){
+ GL2ES2 gl = context.getGL().getGL2ES2();
+
+ ShortBuffer indicies = Buffers.newDirectShortBuffer(6);
+ indicies.put((short) 0); indicies.put((short) 1); indicies.put((short) 3);
+ indicies.put((short) 1); indicies.put((short) 2); indicies.put((short) 3);
+ indicies.rewind();
+
+ FloatBuffer verticesBuffer = Buffers.newDirectFloatBuffer(4 * 3);
+ FloatBuffer texCoordBuffer = Buffers.newDirectFloatBuffer(4 * 2);
+
+ verticesBuffer.put(box.getLow()[0]);
+ verticesBuffer.put(box.getLow()[1]);
+ verticesBuffer.put(box.getLow()[2]);
+ texCoordBuffer.put(5);
+ texCoordBuffer.put(5);
+
+ verticesBuffer.put(box.getLow()[0]);
+ verticesBuffer.put(box.getHigh()[1]);
+ verticesBuffer.put(box.getLow()[2]);
+
+ texCoordBuffer.put(5);
+ texCoordBuffer.put(6);
+
+ verticesBuffer.put(box.getHigh()[0]);
+ verticesBuffer.put(box.getHigh()[1]);
+ verticesBuffer.put(box.getLow()[2]);
+
+ texCoordBuffer.put(6);
+ texCoordBuffer.put(6);
+
+ verticesBuffer.put(box.getHigh()[0]);
+ verticesBuffer.put(box.getLow()[1]);
+ verticesBuffer.put(box.getLow()[2]);
+
+ texCoordBuffer.put(6);
+ texCoordBuffer.put(5);
+
+ verticesBuffer.rewind();
+ texCoordBuffer.rewind();
+
+ t_vboIds = IntBuffer.allocate(3);
+ gl.glGenBuffers(numBuffers, t_vboIds);
+
+ gl.glBindBuffer(GL2ES2.GL_ARRAY_BUFFER, t_vboIds.get(0)); // vertices
+ gl.glBufferData(GL2ES2.GL_ARRAY_BUFFER, 4 * 3 * Buffers.SIZEOF_FLOAT, verticesBuffer, GL2ES2.GL_STATIC_DRAW);
+ gl.glBindBuffer(GL2ES2.GL_ARRAY_BUFFER, 0);
+
+ gl.glBindBuffer(GL2ES2.GL_ARRAY_BUFFER, t_vboIds.get(1)); //texture
+ gl.glBufferData(GL2ES2.GL_ARRAY_BUFFER, 4 * 2 * Buffers.SIZEOF_FLOAT, texCoordBuffer, GL2ES2.GL_STATIC_DRAW);
+ gl.glBindBuffer(GL2ES2.GL_ARRAY_BUFFER, 0);
+
+ gl.glBindBuffer(GL2ES2.GL_ELEMENT_ARRAY_BUFFER, t_vboIds.get(2)); //triangles
+ gl.glBufferData(GL2ES2.GL_ELEMENT_ARRAY_BUFFER, 4 * 3 * Buffers.SIZEOF_SHORT, indicies, GL2ES2.GL_STATIC_DRAW);
+ gl.glBindBuffer(GL2ES2.GL_ELEMENT_ARRAY_BUFFER, 0);
+ }
+
+ private void initFBOTexture(PMVMatrix m, int width, int hight){
+ tex_height_c = (int)(tex_width_c*box.getHeight()/box.getWidth());
+ // tex_height_c = tex_width_c;
+ System.out.println("FBO Size: "+tex_height_c+"x"+tex_width_c);
+ System.out.println("FBO Scale: " + m.glGetMatrixf().get(0) +" " + m.glGetMatrixf().get(5));
+ GL2ES2 gl = context.getGL().getGL2ES2();
+
+ if(fbo[0] > 0) {
+ gl.glDeleteFramebuffers(1, fbo, 0);
+ fbo[0] = 0;
+ }
+ if(texture[0]>0) {
+ gl.glDeleteTextures(1, texture, 0);
+ texture[0] = 0;
+ }
+
+ gl.glGenFramebuffers(1, fbo, 0);
+ gl.glGenTextures(1, texture, 0);
+ gl.glGenRenderbuffers(1,rbo_depth, 0);
+ System.out.println("FBO: fbo " + fbo[0] + ", tex " + texture[0] + ", depth " + rbo_depth[0]);
+
+ gl.glBindFramebuffer(GL2GL3.GL_DRAW_FRAMEBUFFER, fbo[0]);
+ gl.glBindTexture(GL2ES2.GL_TEXTURE_2D, texture[0]);
+ gl.glTexImage2D(GL2ES2.GL_TEXTURE_2D, 0, GL2ES2.GL_RGBA, tex_width_c,
+ tex_height_c, 0, GL2ES2.GL_RGBA, GL2ES2.GL_UNSIGNED_BYTE, null);
+
+ gl.glTexParameterf(GL2ES2.GL_TEXTURE_2D, GL2ES2.GL_TEXTURE_MIN_FILTER, GL2ES2.GL_LINEAR);
+ gl.glTexParameterf(GL2ES2.GL_TEXTURE_2D, GL2ES2.GL_TEXTURE_MAG_FILTER, GL2ES2.GL_LINEAR);
+ gl.glTexParameterf(GL2ES2.GL_TEXTURE_2D, GL2ES2.GL_TEXTURE_WRAP_S, GL2ES2.GL_CLAMP_TO_EDGE);
+ gl.glTexParameterf(GL2ES2.GL_TEXTURE_2D, GL2ES2.GL_TEXTURE_WRAP_T, GL2ES2.GL_CLAMP_TO_EDGE);
+
+ gl.glFramebufferTexture2D(GL2GL3.GL_DRAW_FRAMEBUFFER, GL2ES2.GL_COLOR_ATTACHMENT0,
+ GL2ES2.GL_TEXTURE_2D, texture[0], 0);
+
+ // Set up the depth buffer
+ gl.glBindRenderbuffer(GL2ES2.GL_RENDERBUFFER, rbo_depth[0]);
+ gl.glRenderbufferStorage(GL2ES2.GL_RENDERBUFFER, GL2ES2.GL_DEPTH_COMPONENT, tex_width_c, tex_height_c);
+ gl.glFramebufferRenderbuffer(GL2ES2.GL_FRAMEBUFFER, GL2ES2.GL_DEPTH_COMPONENT, GL2ES2.GL_RENDERBUFFER, rbo_depth[0]);
+
+ int status = gl.glCheckFramebufferStatus(GL2ES2.GL_FRAMEBUFFER);
+ if(status != GL2ES2.GL_FRAMEBUFFER_COMPLETE){
+ System.err.println("Cant Create R2T pass!");
+ }
+
+ //render texture
+ PMVMatrix tex_matrix = new PMVMatrix();
+ gl.glBindFramebuffer(GL2GL3.GL_DRAW_FRAMEBUFFER, fbo[0]);
+ gl.glViewport(0, 0, tex_width_c, tex_height_c);
+ tex_matrix.glMatrixMode(GLMatrixFunc.GL_PROJECTION);
+ tex_matrix.glLoadIdentity();
+ tex_matrix.glOrthof(box.getLow()[0], box.getHigh()[0], box.getLow()[1], box.getHigh()[1], -1, 1);
+
+ if(!st.glUniform(gl, new GLUniformData("mgl_PMVMatrix", 4, 4, tex_matrix.glGetPMvMatrixf()))){
+ System.out.println("Cnt set tex based mat");
+ }
+
+ gl.glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
+ gl.glClear(GL2ES2.GL_COLOR_BUFFER_BIT | GL2ES2.GL_DEPTH_BUFFER_BIT);
+ renderRegion();
+
+ gl.glBindFramebuffer(GL2ES2.GL_FRAMEBUFFER, 0);
+ gl.glBindTexture(GL2ES2.GL_TEXTURE_2D, 0);
+
+ setupBoundingBuffers();
+ }
+
+ private void renderRegion(){
+ GL2ES2 gl = context.getGL().getGL2ES2();
+
+ gl.glBindBuffer(GL2ES2.GL_ARRAY_BUFFER, vboIds.get(0));
+ gl.glEnableVertexAttribArray(VERTEX_ATTR_IDX);
+ gl.glVertexAttribPointer(VERTEX_ATTR_IDX, 3, GL2ES2.GL_FLOAT, false, 3 * Buffers.SIZEOF_FLOAT, 0);
+
+ gl.glBindBuffer(GL2ES2.GL_ARRAY_BUFFER, vboIds.get(1));
+ gl.glEnableVertexAttribArray(TEXCOORD_ATTR_IDX);
+ gl.glVertexAttribPointer(TEXCOORD_ATTR_IDX, 2, GL2ES2.GL_FLOAT, false, 2 * Buffers.SIZEOF_FLOAT, 0);
+
+ gl.glBindBuffer(GL2ES2.GL_ELEMENT_ARRAY_BUFFER, vboIds.get(2));
+ gl.glDrawElements(GL2ES2.GL_TRIANGLES, triangles.size() * 3, GL2ES2.GL_UNSIGNED_SHORT, 0);
+
+ gl.glBindBuffer(GL2ES2.GL_ARRAY_BUFFER, 0);
+ }
+
+ public void addTriangles(ArrayList<Triangle> tris) {
+ triangles.addAll(tris);
+ dirty = true;
+ }
+
+ public int getNumVertices(){
+ return numVertices;
+ }
+
+ public void addVertices(ArrayList<Vertex> verts){
+ vertices.addAll(verts);
+ numVertices = vertices.size();
+ dirty = true;
+ }
+
+ public boolean isDirty(){
+ return dirty;
+ }
+
+ public void destroy() {
+ GL2ES2 gl = context.getGL().getGL2ES2();
+ gl.glDeleteBuffers(numBuffers, vboIds);
+ gl.glDeleteFramebuffers(1, fbo, 0);
+ fbo[0] = 0;
+ gl.glDeleteTextures(1, texture, 0);
+ texture[0] = 0;
+ gl.glDeleteRenderbuffers(1, rbo_depth, 0);
+ rbo_depth[0] = 0;
+ }
+
+ public boolean isFlipped() {
+ return flipped;
+ }
+
+ public void setFlipped(boolean flipped) {
+ this.flipped = flipped;
+ }
+}
diff --git a/turtle2d/src/jogamp/graph/curve/opengl/VBORegionSPES2.java b/turtle2d/src/jogamp/graph/curve/opengl/VBORegionSPES2.java
new file mode 100644
index 000000000..701549d46
--- /dev/null
+++ b/turtle2d/src/jogamp/graph/curve/opengl/VBORegionSPES2.java
@@ -0,0 +1,185 @@
+/**
+ * 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 jogamp.graph.curve.opengl;
+
+import java.nio.FloatBuffer;
+import java.nio.IntBuffer;
+import java.nio.ShortBuffer;
+import java.util.ArrayList;
+
+import javax.media.opengl.GL2ES2;
+import javax.media.opengl.GLContext;
+
+import com.jogamp.common.nio.Buffers;
+import com.jogamp.graph.curve.Region;
+import com.jogamp.graph.geom.Vertex;
+import com.jogamp.graph.geom.Triangle;
+import com.jogamp.opengl.util.PMVMatrix;
+
+public class VBORegionSPES2 implements Region{
+ private int numVertices = 0;
+ private IntBuffer vboIds;
+
+ private ArrayList<Triangle> triangles = new ArrayList<Triangle>();
+ private ArrayList<Vertex> vertices = new ArrayList<Vertex>();
+
+ private GLContext context;
+
+ private int numBuffers = 3;
+
+ private boolean flipped = false;
+ private boolean dirty = false;
+
+ public VBORegionSPES2(GLContext context){
+ this.context =context;
+ }
+
+ public void update(){
+ GL2ES2 gl = context.getGL().getGL2ES2();
+ ShortBuffer indicies = Buffers.newDirectShortBuffer(triangles.size() * 3);
+
+ for(Triangle t:triangles){
+ final Vertex[] t_vertices = t.getVertices();
+
+ if(t_vertices[0].getId() == Integer.MAX_VALUE){
+ t_vertices[0].setId(numVertices++);
+ t_vertices[1].setId(numVertices++);
+ t_vertices[2].setId(numVertices++);
+
+ vertices.add(t.getVertices()[0]);
+ vertices.add(t.getVertices()[1]);
+ vertices.add(t.getVertices()[2]);
+
+ indicies.put((short) t.getVertices()[0].getId());
+ indicies.put((short) t.getVertices()[1].getId());
+ indicies.put((short) t.getVertices()[2].getId());
+ }
+ else{
+ Vertex v1 = t_vertices[0];
+ Vertex v2 = t_vertices[1];
+ Vertex v3 = t_vertices[2];
+
+ indicies.put((short) v1.getId());
+ indicies.put((short) v2.getId());
+ indicies.put((short) v3.getId());
+ }
+ }
+ indicies.rewind();
+
+ FloatBuffer verticesBuffer = Buffers.newDirectFloatBuffer(vertices.size() * 3);
+ for(Vertex v:vertices){
+ verticesBuffer.put(v.getX());
+ if(flipped){
+ verticesBuffer.put(-1*v.getY());
+ }
+ else{
+ verticesBuffer.put(v.getY());
+ }
+ verticesBuffer.put(v.getZ());
+ }
+ verticesBuffer.rewind();
+
+ FloatBuffer texCoordBuffer = Buffers.newDirectFloatBuffer(vertices.size() * 2);
+ for(Vertex v:vertices){
+ float[] tex = v.getTexCoord();
+ texCoordBuffer.put(tex[0]);
+ texCoordBuffer.put(tex[1]);
+ }
+ texCoordBuffer.rewind();
+
+ vboIds = IntBuffer.allocate(numBuffers);
+ gl.glGenBuffers(numBuffers, vboIds);
+
+ gl.glBindBuffer(GL2ES2.GL_ARRAY_BUFFER, vboIds.get(0)); // vertices
+ gl.glBufferData(GL2ES2.GL_ARRAY_BUFFER, numVertices * 3 * Buffers.SIZEOF_FLOAT, verticesBuffer, GL2ES2.GL_STATIC_DRAW);
+ gl.glBindBuffer(GL2ES2.GL_ARRAY_BUFFER, 0);
+
+ gl.glBindBuffer(GL2ES2.GL_ARRAY_BUFFER, vboIds.get(1)); //texture
+ gl.glBufferData(GL2ES2.GL_ARRAY_BUFFER, numVertices * 2 * Buffers.SIZEOF_FLOAT, texCoordBuffer, GL2ES2.GL_STATIC_DRAW);
+ gl.glBindBuffer(GL2ES2.GL_ARRAY_BUFFER, 0);
+
+ gl.glBindBuffer(GL2ES2.GL_ELEMENT_ARRAY_BUFFER, vboIds.get(2)); //triangles
+ gl.glBufferData(GL2ES2.GL_ELEMENT_ARRAY_BUFFER, triangles.size()* 3 * Buffers.SIZEOF_SHORT, indicies, GL2ES2.GL_STATIC_DRAW);
+ gl.glBindBuffer(GL2ES2.GL_ELEMENT_ARRAY_BUFFER, 0);
+
+ dirty = false;
+ }
+
+ private void render() {
+ GL2ES2 gl = context.getGL().getGL2ES2();
+
+ gl.glBindBuffer(GL2ES2.GL_ARRAY_BUFFER, vboIds.get(0));
+ gl.glEnableVertexAttribArray(VERTEX_ATTR_IDX);
+ gl.glVertexAttribPointer(VERTEX_ATTR_IDX, 3, GL2ES2.GL_FLOAT, false, 3 * Buffers.SIZEOF_FLOAT, 0);
+
+ gl.glBindBuffer(GL2ES2.GL_ARRAY_BUFFER, vboIds.get(1));
+ gl.glEnableVertexAttribArray(TEXCOORD_ATTR_IDX);
+ gl.glVertexAttribPointer(TEXCOORD_ATTR_IDX, 2, GL2ES2.GL_FLOAT, false, 2 * Buffers.SIZEOF_FLOAT, 0);
+
+ gl.glBindBuffer(GL2ES2.GL_ELEMENT_ARRAY_BUFFER, vboIds.get(2));
+ gl.glDrawElements(GL2ES2.GL_TRIANGLES, triangles.size() * 3, GL2ES2.GL_UNSIGNED_SHORT, 0);
+
+ gl.glBindBuffer(GL2ES2.GL_ARRAY_BUFFER, 0);
+ }
+
+ public void render(PMVMatrix matrix, int vp_width, int vp_height, int width){
+ render();
+ }
+
+ public void addTriangles(ArrayList<Triangle> tris) {
+ triangles.addAll(tris);
+ dirty = true;
+ }
+
+ public int getNumVertices(){
+ return numVertices;
+ }
+
+ public void addVertices(ArrayList<Vertex> verts){
+ vertices.addAll(verts);
+ numVertices = vertices.size();
+ dirty = true;
+ }
+
+ public boolean isDirty(){
+ return dirty;
+ }
+
+ public void destroy() {
+ GL2ES2 gl = context.getGL().getGL2ES2();
+ gl.glDeleteBuffers(numBuffers, vboIds);
+ }
+
+ public boolean isFlipped() {
+ return flipped;
+ }
+
+ public void setFlipped(boolean flipped) {
+ this.flipped = flipped;
+ }
+}
diff --git a/turtle2d/src/jogamp/graph/curve/opengl/shader/curverenderer01.fp b/turtle2d/src/jogamp/graph/curve/opengl/shader/curverenderer01.fp
new file mode 100644
index 000000000..2b3a0ce1d
--- /dev/null
+++ b/turtle2d/src/jogamp/graph/curve/opengl/shader/curverenderer01.fp
@@ -0,0 +1,99 @@
+//#version 100
+
+uniform float p1y;
+uniform float g_alpha;
+uniform vec3 g_color;
+uniform float a_strength;
+
+varying vec2 v_texCoord;
+
+vec3 b_color = vec3(0.0, 0.0, 0.0);
+
+uniform sampler2D texture;
+vec4 weights = vec4(0.075, 0.06, 0.045, 0.025);
+
+void main (void)
+{
+ vec2 rtex = vec2(abs(v_texCoord.x),abs(v_texCoord.y));
+ vec3 c = g_color;
+
+ float alpha = 0.0;
+
+ if((v_texCoord.x == 0.0) && (v_texCoord.y == 0.0)){
+ alpha = g_alpha;
+ }
+ else if((v_texCoord.x >= 5.0)){
+ vec2 dfx = dFdx(v_texCoord);
+ vec2 dfy = dFdy(v_texCoord);
+
+ vec2 size = 1.0/textureSize(texture,0); //version 130
+ rtex -= 5.0;
+ vec4 t = texture2D(texture, rtex)* 0.18;
+
+ t += texture2D(texture, rtex + size*(vec2(1, 0)))*weights.x;
+ t += texture2D(texture, rtex - size*(vec2(1, 0)))*weights.x;
+ t += texture2D(texture, rtex + size*(vec2(0, 1)))*weights.x;
+ t += texture2D(texture, rtex - size*(vec2(0, 1)))*weights.x;
+
+ t += texture2D(texture, rtex + 2.0*size*(vec2(1, 0))) *weights.y;
+ t += texture2D(texture, rtex - 2.0*size*(vec2(1, 0)))*weights.y;
+ t += texture2D(texture, rtex + 2.0*size*(vec2(0, 1)))*weights.y;
+ t += texture2D(texture, rtex - 2.0*size*(vec2(0, 1)))*weights.y;
+
+ t += texture2D(texture, rtex + 3.0*size*(vec2(1, 0))) *weights.z;
+ t += texture2D(texture, rtex - 3.0*size*(vec2(1, 0)))*weights.z;
+ t += texture2D(texture, rtex + 3.0*size*(vec2(0, 1)))*weights.z;
+ t += texture2D(texture, rtex - 3.0*size*(vec2(0, 1)))*weights.z;
+
+ t += texture2D(texture, rtex + 4.0*size*(vec2(1, 0))) *weights.w;
+ t += texture2D(texture, rtex - 4.0*size*(vec2(1, 0)))*weights.w;
+ t += texture2D(texture, rtex + 4.0*size*(vec2(0, 1)))*weights.w;
+ t += texture2D(texture, rtex - 4.0*size*(vec2(0, 1)))*weights.w;
+
+ if(t.w == 0.0){
+ discard;
+ }
+
+ c = t.xyz;
+ alpha = g_alpha* t.w;
+ }
+ ///////////////////////////////////////////////////////////
+ else if ((v_texCoord.x > 0.0) && (rtex.y > 0.0 || rtex.x == 1.0)){
+ vec2 dtx = dFdx(rtex);
+ vec2 dty = dFdy(rtex);
+
+ rtex.y -= 0.1;
+ if(rtex.y < 0.0) {
+ if(v_texCoord.y < 0.0)
+ discard;
+ else{
+ rtex.y = 0.0;
+ }
+ }
+
+ vec2 f = vec2((dtx.y - 2.0*p1y*dtx.x + 4.0*p1y*rtex.x*dtx.x), (dty.y - 2.0*p1y*dty.x + 4.0*p1y*rtex.x*dty.x));
+
+ float position = rtex.y - ((2.0 * rtex.x * p1y) * (1.0 - rtex.x));
+ float d = position/(length(f));
+
+ float a = (0.5 - d * sign(v_texCoord.y));
+
+
+ if (a >= 1.0) {
+ alpha = g_alpha;
+ // c = vec3(1.0,1.0,1.0);
+ }
+ else if (a <= 0.0) {
+ alpha = 0.0;//discard;
+ // c = vec3(0.0,0.0,0.0);
+
+ }
+ else {
+ alpha = g_alpha*a;
+ // c = vec3(a,a,a);
+ mix(b_color,g_color, a);
+ }
+ }
+
+ gl_FragColor = vec4(c, alpha);
+}
diff --git a/turtle2d/src/jogamp/graph/curve/opengl/shader/curverenderer01.vp b/turtle2d/src/jogamp/graph/curve/opengl/shader/curverenderer01.vp
new file mode 100644
index 000000000..bc9ecb41e
--- /dev/null
+++ b/turtle2d/src/jogamp/graph/curve/opengl/shader/curverenderer01.vp
@@ -0,0 +1,13 @@
+//#version 100
+
+uniform mat4 mgl_PMVMatrix[2];
+attribute vec4 v_position;
+attribute vec2 texCoord;
+
+varying vec2 v_texCoord;
+
+void main(void)
+{
+ gl_Position = mgl_PMVMatrix[0] * mgl_PMVMatrix[1] * v_position;
+ v_texCoord = texCoord.st;
+} \ No newline at end of file
diff --git a/turtle2d/src/jogamp/graph/curve/tess/GraphOutline.java b/turtle2d/src/jogamp/graph/curve/tess/GraphOutline.java
new file mode 100644
index 000000000..5dae296e5
--- /dev/null
+++ b/turtle2d/src/jogamp/graph/curve/tess/GraphOutline.java
@@ -0,0 +1,81 @@
+/**
+ * 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 jogamp.graph.curve.tess;
+
+import java.util.ArrayList;
+
+import com.jogamp.graph.geom.Outline;
+import com.jogamp.graph.geom.Vertex;
+
+public class GraphOutline {
+ final private Outline outline;
+ final private ArrayList<GraphVertex> controlpoints = new ArrayList<GraphVertex>(3);
+
+ public GraphOutline(){
+ this.outline = new Outline();
+ }
+
+ /**Create a control polyline of control vertices
+ * the curve pieces can be identified by onCurve flag
+ * of each cp the control polyline is open by default
+ */
+ public GraphOutline(Outline ol){
+ this.outline = ol;
+ ArrayList<Vertex> vertices = this.outline.getVertices();
+ for(Vertex v:vertices){
+ this.controlpoints.add(new GraphVertex(v));
+ }
+ }
+
+ public Outline getOutline() {
+ return outline;
+ }
+
+ /*public void setOutline(Outline<T> outline) {
+ this.outline = outline;
+ }*/
+
+
+ public ArrayList<GraphVertex> getGraphPoint() {
+ return controlpoints;
+ }
+
+ public ArrayList<Vertex> getPoints() {
+ return outline.getVertices();
+ }
+
+ /*public void setControlpoints(ArrayList<GraphPoint<T>> controlpoints) {
+ this.controlpoints = controlpoints;
+ }*/
+
+ public void addVertex(GraphVertex v) {
+ controlpoints.add(v);
+ outline.addVertex(v.getPoint());
+ }
+
+}
diff --git a/turtle2d/src/jogamp/graph/curve/tess/GraphVertex.java b/turtle2d/src/jogamp/graph/curve/tess/GraphVertex.java
new file mode 100644
index 000000000..b9f95a0e7
--- /dev/null
+++ b/turtle2d/src/jogamp/graph/curve/tess/GraphVertex.java
@@ -0,0 +1,120 @@
+/**
+ * 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 jogamp.graph.curve.tess;
+
+import java.util.ArrayList;
+
+import com.jogamp.graph.geom.Vertex;
+
+public class GraphVertex {
+ private Vertex point;
+ private ArrayList<HEdge> edges = null;
+ private boolean boundaryContained = false;
+
+ public GraphVertex(Vertex point) {
+ this.point = point;
+ }
+
+ public Vertex getPoint() {
+ return point;
+ }
+
+ public float getX(){
+ return point.getX();
+ }
+
+ public float getY(){
+ return point.getY();
+ }
+
+ public float getZ(){
+ return point.getZ();
+ }
+ public float[] getCoord() {
+ return point.getCoord();
+ }
+
+ public void setPoint(Vertex point) {
+ this.point = point;
+ }
+
+ public ArrayList<HEdge> getEdges() {
+ return edges;
+ }
+
+ public void setEdges(ArrayList<HEdge> edges) {
+ this.edges = edges;
+ }
+
+ public void addEdge(HEdge edge){
+ if(edges == null){
+ edges = new ArrayList<HEdge>();
+ }
+ edges.add(edge);
+ }
+ public void removeEdge(HEdge edge){
+ if(edges == null)
+ return;
+ edges.remove(edge);
+ if(edges.size() == 0){
+ edges = null;
+ }
+ }
+ public HEdge findNextEdge(GraphVertex nextVert){
+ for(HEdge e:edges){
+ if(e.getNext().getGraphPoint() == nextVert){
+ return e;
+ }
+ }
+ return null;
+ }
+ public HEdge findBoundEdge(){
+ for(HEdge e:edges){
+ if((e.getType() == HEdge.BOUNDARY) || (e.getType() == HEdge.HOLE)){
+ return e;
+ }
+ }
+ return null;
+ }
+ public HEdge findPrevEdge(GraphVertex prevVert){
+ for(HEdge e:edges){
+ if(e.getPrev().getGraphPoint() == prevVert){
+ return e;
+ }
+ }
+ return null;
+ }
+
+ public boolean isBoundaryContained() {
+ return boundaryContained;
+ }
+
+ public void setBoundaryContained(boolean boundaryContained) {
+ this.boundaryContained = boundaryContained;
+ }
+}
diff --git a/turtle2d/src/jogamp/graph/curve/tess/HEdge.java b/turtle2d/src/jogamp/graph/curve/tess/HEdge.java
new file mode 100644
index 000000000..d1bcc6e17
--- /dev/null
+++ b/turtle2d/src/jogamp/graph/curve/tess/HEdge.java
@@ -0,0 +1,130 @@
+/**
+ * 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 jogamp.graph.curve.tess;
+
+import com.jogamp.graph.geom.Vertex;
+import com.jogamp.graph.geom.Triangle;
+
+
+public class HEdge {
+ public static int BOUNDARY = 3;
+ public static int INNER = 1;
+ public static int HOLE = 2;
+
+ private GraphVertex vert;
+ private HEdge prev = null;
+ private HEdge next = null;
+ private HEdge sibling = null;
+ private int type = BOUNDARY;
+ private Triangle triangle = null;
+
+ public HEdge(GraphVertex vert, int type) {
+ this.vert = vert;
+ this.type = type;
+ }
+
+ public HEdge(GraphVertex vert, HEdge prev, HEdge next, HEdge sibling, int type) {
+ this.vert = vert;
+ this.prev = prev;
+ this.next = next;
+ this.sibling = sibling;
+ this.type = type;
+ }
+
+ public HEdge(GraphVertex vert, HEdge prev, HEdge next, HEdge sibling, int type, Triangle triangle) {
+ this.vert = vert;
+ this.prev = prev;
+ this.next = next;
+ this.sibling = sibling;
+ this.type = type;
+ this.triangle = triangle;
+ }
+
+ public GraphVertex getGraphPoint() {
+ return vert;
+ }
+
+ public void setVert(GraphVertex vert) {
+ this.vert = vert;
+ }
+
+ public HEdge getPrev() {
+ return prev;
+ }
+
+ public void setPrev(HEdge prev) {
+ this.prev = prev;
+ }
+
+ public HEdge getNext() {
+ return next;
+ }
+
+ public void setNext(HEdge next) {
+ this.next = next;
+ }
+
+ public HEdge getSibling() {
+ return sibling;
+ }
+
+ public void setSibling(HEdge sibling) {
+ this.sibling = sibling;
+ }
+
+ public int getType() {
+ return type;
+ }
+
+ public void setType(int type) {
+ this.type = type;
+ }
+
+ public Triangle getTriangle() {
+ return triangle;
+ }
+
+ public void setTriangle(Triangle triangle) {
+ this.triangle = triangle;
+ }
+
+ public static <T extends Vertex> void connect(HEdge first, HEdge next){
+ first.setNext(next);
+ next.setPrev(first);
+ }
+
+ public static <T extends Vertex> void makeSiblings(HEdge first, HEdge second){
+ first.setSibling(second);
+ second.setSibling(first);
+ }
+
+ public boolean vertexOnCurveVertex(){
+ return vert.getPoint().isOnCurve();
+ }
+
+}
diff --git a/turtle2d/src/jogamp/graph/curve/tess/Loop.java b/turtle2d/src/jogamp/graph/curve/tess/Loop.java
new file mode 100644
index 000000000..fd7736a20
--- /dev/null
+++ b/turtle2d/src/jogamp/graph/curve/tess/Loop.java
@@ -0,0 +1,373 @@
+/**
+ * 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 jogamp.graph.curve.tess;
+
+import java.util.ArrayList;
+
+
+import com.jogamp.graph.geom.AABBox;
+import com.jogamp.graph.geom.Vertex;
+import com.jogamp.graph.geom.Triangle;
+import com.jogamp.graph.math.VectorUtil;
+
+public class Loop {
+ private HEdge root = null;
+ private AABBox box = new AABBox();
+ private GraphOutline initialOutline = null;
+
+ public Loop(GraphOutline polyline, int direction){
+ initialOutline = polyline;
+ this.root = initFromPolyline(initialOutline, direction);
+ }
+
+ public HEdge getHEdge(){
+ return root;
+ }
+
+ public Triangle cut(boolean delaunay){
+ if(isSimplex()){
+ Triangle t = new Triangle(root.getGraphPoint().getPoint(), root.getNext().getGraphPoint().getPoint(),
+ root.getNext().getNext().getGraphPoint().getPoint());
+ t.setVerticesBoundary(checkVerticesBoundary(root));
+ return t;
+ }
+ HEdge prev = root.getPrev();
+ HEdge next1 = root.getNext();
+
+ HEdge next2 = findClosestValidNeighbor(next1.getNext(), delaunay);
+ if(next2 == null){
+ root = root.getNext();
+ return null;
+ }
+
+ GraphVertex v1 = root.getGraphPoint();
+ GraphVertex v2 = next1.getGraphPoint();
+ GraphVertex v3 = next2.getGraphPoint();
+
+ HEdge v3Edge = new HEdge(v3, HEdge.INNER);
+
+ HEdge.connect(v3Edge, root);
+ HEdge.connect(next1, v3Edge);
+
+ HEdge v3EdgeSib = v3Edge.getSibling();
+ if(v3EdgeSib == null){
+ v3EdgeSib = new HEdge(v3Edge.getNext().getGraphPoint(), HEdge.INNER);
+ HEdge.makeSiblings(v3Edge, v3EdgeSib);
+ }
+
+ HEdge.connect(prev, v3EdgeSib);
+ HEdge.connect(v3EdgeSib, next2);
+
+ Triangle t = createTriangle(v1.getPoint(), v2.getPoint(), v3.getPoint(), root);
+ this.root = next2;
+ return t;
+ }
+
+ public boolean isSimplex(){
+ return (root.getNext().getNext().getNext() == root);
+ }
+
+ /**Create a connected list of half edges (loop)
+ * from the boundary profile
+ * @param direction requested winding of edges (CCW or CW)
+ */
+ private HEdge initFromPolyline(GraphOutline outline, int direction){
+ ArrayList<GraphVertex> vertices = outline.getGraphPoint();
+
+ if(vertices.size()<3) {
+ throw new IllegalArgumentException("outline's vertices < 3: " + vertices.size());
+ }
+ boolean isCCW = VectorUtil.ccw(vertices.get(0).getPoint(), vertices.get(1).getPoint(),
+ vertices.get(2).getPoint());
+ boolean invert = isCCW && (direction == VectorUtil.CW);
+
+ HEdge firstEdge = null;
+ HEdge lastEdge = null;
+ int index =0;
+ int max = vertices.size();
+
+ int edgeType = HEdge.BOUNDARY;
+ if(invert){
+ index = vertices.size() -1;
+ max = -1;
+ edgeType = HEdge.HOLE;
+ }
+
+ while(index != max){
+ GraphVertex v1 = vertices.get(index);
+ box.resize(v1.getX(), v1.getY(), v1.getZ());
+
+ HEdge edge = new HEdge(v1, edgeType);
+
+ v1.addEdge(edge);
+ if(lastEdge != null){
+ lastEdge.setNext(edge);
+ edge.setPrev(lastEdge);
+ }
+ else{
+ firstEdge = edge;
+ }
+
+ if(!invert){
+ if(index == vertices.size()-1){
+ edge.setNext(firstEdge);
+ firstEdge.setPrev(edge);
+ }
+ }
+ else if (index == 0){
+ edge.setNext(firstEdge);
+ firstEdge.setPrev(edge);
+ }
+
+ lastEdge = edge;
+
+ if(!invert){
+ index++;
+ }
+ else{
+ index--;
+ }
+ }
+ return firstEdge;
+ }
+
+ public void addConstraintCurve(GraphOutline polyline) {
+ // GraphOutline outline = new GraphOutline(polyline);
+ /**needed to generate vertex references.*/
+ initFromPolyline(polyline, VectorUtil.CW);
+
+ GraphVertex v3 = locateClosestVertex(polyline);
+ HEdge v3Edge = v3.findBoundEdge();
+ HEdge v3EdgeP = v3Edge.getPrev();
+ HEdge crossEdge = new HEdge(root.getGraphPoint(), HEdge.INNER);
+
+ HEdge.connect(root.getPrev(), crossEdge);
+ HEdge.connect(crossEdge, v3Edge);
+
+ HEdge crossEdgeSib = crossEdge.getSibling();
+ if(crossEdgeSib == null) {
+ crossEdgeSib = new HEdge(crossEdge.getNext().getGraphPoint(), HEdge.INNER);
+ HEdge.makeSiblings(crossEdge, crossEdgeSib);
+ }
+
+ HEdge.connect(v3EdgeP, crossEdgeSib);
+ HEdge.connect(crossEdgeSib, root);
+ }
+
+ /** Locates the vertex and update the loops root
+ * to have (root + vertex) as closest pair
+ * @param polyline the control polyline
+ * to search for closestvertices
+ * @return the vertex that is closest to the newly set root Hedge.
+ */
+ private GraphVertex locateClosestVertex(GraphOutline polyline) {
+ HEdge closestE = null;
+ GraphVertex closestV = null;
+
+ float minDistance = Float.MAX_VALUE;
+ boolean inValid = false;
+ ArrayList<GraphVertex> initVertices = initialOutline.getGraphPoint();
+ ArrayList<GraphVertex> vertices = polyline.getGraphPoint();
+
+ for(int i=0; i< initVertices.size()-1; i++){
+ GraphVertex v = initVertices.get(i);
+ GraphVertex nextV = initVertices.get(i+1);
+ for(GraphVertex cand:vertices){
+ float distance = VectorUtil.computeLength(v.getCoord(), cand.getCoord());
+ if(distance < minDistance){
+ for (GraphVertex vert:vertices){
+ if(vert == v || vert == nextV || vert == cand)
+ continue;
+ inValid = VectorUtil.inCircle(v.getPoint(), nextV.getPoint(),
+ cand.getPoint(), vert.getPoint());
+ if(inValid){
+ break;
+ }
+ }
+ if(!inValid){
+ closestV = cand;
+ minDistance = distance;
+ closestE = v.findBoundEdge();
+ }
+ }
+
+ }
+ }
+
+ if(closestE != null){
+ root = closestE;
+ }
+
+ return closestV;
+ }
+
+ private HEdge findClosestValidNeighbor(HEdge edge, boolean delaunay) {
+ HEdge next = root.getNext();
+
+ if(!VectorUtil.ccw(root.getGraphPoint().getPoint(), next.getGraphPoint().getPoint(),
+ edge.getGraphPoint().getPoint())){
+ return null;
+ }
+
+ HEdge candEdge = edge;
+ boolean inValid = false;
+
+ if(delaunay){
+ Vertex cand = candEdge.getGraphPoint().getPoint();
+ HEdge e = candEdge.getNext();
+ while (e != candEdge){
+ if(e.getGraphPoint() == root.getGraphPoint()
+ || e.getGraphPoint() == next.getGraphPoint()
+ || e.getGraphPoint().getPoint() == cand){
+ e = e.getNext();
+ continue;
+ }
+ inValid = VectorUtil.inCircle(root.getGraphPoint().getPoint(), next.getGraphPoint().getPoint(),
+ cand, e.getGraphPoint().getPoint());
+ if(inValid){
+ break;
+ }
+ e = e.getNext();
+ }
+ }
+ if(!inValid){
+ return candEdge;
+ }
+ return null;
+ }
+
+ /** Create a triangle from the param vertices only if
+ * the triangle is valid. IE not outside region.
+ * @param v1 vertex 1
+ * @param v2 vertex 2
+ * @param v3 vertex 3
+ * @param root and edge of this triangle
+ * @return the triangle iff it satisfies, null otherwise
+ */
+ private Triangle createTriangle(Vertex v1, Vertex v2, Vertex v3, HEdge rootT){
+ Triangle t = new Triangle(v1, v2, v3);
+ t.setVerticesBoundary(checkVerticesBoundary(rootT));
+ return t;
+ }
+
+ private boolean[] checkVerticesBoundary(HEdge rootT) {
+ boolean[] boundary = new boolean[3];
+ HEdge e1 = rootT;
+ HEdge e2 = rootT.getNext();
+ HEdge e3 = rootT.getNext().getNext();
+
+ if(e1.getGraphPoint().isBoundaryContained()){
+ boundary[0] = true;
+ }
+ if(e2.getGraphPoint().isBoundaryContained()){
+ boundary[1] = true;
+ }
+ if(e3.getGraphPoint().isBoundaryContained()){
+ boundary[2] = true;
+ }
+ return boundary;
+ }
+
+
+ /** Check if vertex inside the Loop
+ * @param vertex the Vertex
+ * @return true if the vertex is inside, false otherwise
+ */
+ public boolean checkInside(Vertex vertex) {
+ if(!box.contains(vertex.getX(), vertex.getY(), vertex.getZ())){
+ return false;
+ }
+
+ float[] center = box.getCenter();
+
+ int hits = 0;
+ HEdge current = root;
+ HEdge next = root.getNext();
+ while(next!= root){
+ if(current.getType() == HEdge.INNER || next.getType() == HEdge.INNER){
+ current = next;
+ next = current.getNext();
+ continue;
+ }
+ Vertex vert1 = current.getGraphPoint().getPoint();
+ Vertex vert2 = next.getGraphPoint().getPoint();
+
+ /** The ray is P0+s*D0, where P0 is the ray origin, D0 is a direction vector and s >= 0.
+ * The segment is P1+t*D1, where P1 and P1+D1 are the endpoints, and 0 <= t <= 1.
+ * perp(x,y) = (y,-x).
+ * if Dot(perp(D1),D0) is not zero,
+ * s = Dot(perp(D1),P1-P0)/Dot(perp(D1),D0)
+ * t = Dot(perp(D0),P1-P0)/Dot(perp(D1),D0)
+ */
+
+ float[] d0 = new float[]{center[0] - vertex.getX(), center[1]-vertex.getY(),
+ center[2]-vertex.getZ()};
+ float[] d1 = {vert2.getX() - vert1.getX(), vert2.getY() - vert1.getY(),
+ vert2.getZ() - vert1.getZ()};
+
+ float[] prep_d1 = {d1[1],-1*d1[0], d1[2]};
+ float[] prep_d0 = {d0[1],-1*d0[0], d0[2]};
+
+ float[] p0p1 = new float[]{vert1.getX() - vertex.getX(), vert1.getY() - vertex.getY(),
+ vert1.getZ() - vertex.getZ()};
+
+ float dotD1D0 = VectorUtil.dot(prep_d1, d0);
+ if(dotD1D0 == 0){
+ /** ray parallel to segment */
+ current = next;
+ next = current.getNext();
+ continue;
+ }
+
+ float s = VectorUtil.dot(prep_d1,p0p1)/dotD1D0;
+ float t = VectorUtil.dot(prep_d0,p0p1)/dotD1D0;
+
+ if(s >= 0 && t >= 0 && t<= 1){
+ hits++;
+ }
+ current = next;
+ next = current.getNext();
+ }
+
+ if(hits % 2 != 0){
+ /** check if hit count is even */
+ return true;
+ }
+ return false;
+ }
+
+ public int computeLoopSize(){
+ int size = 0;
+ HEdge e = root;
+ do{
+ size++;
+ e = e.getNext();
+ }while(e != root);
+ return size;
+ }
+}
diff --git a/turtle2d/src/jogamp/graph/curve/text/GlyphShape.java b/turtle2d/src/jogamp/graph/curve/text/GlyphShape.java
new file mode 100644
index 000000000..36ba57244
--- /dev/null
+++ b/turtle2d/src/jogamp/graph/curve/text/GlyphShape.java
@@ -0,0 +1,161 @@
+/**
+ * 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 jogamp.graph.curve.text;
+
+import java.util.ArrayList;
+
+import jogamp.graph.geom.plane.PathIterator;
+
+import com.jogamp.graph.geom.Vertex;
+import com.jogamp.graph.geom.Triangle;
+
+import com.jogamp.graph.curve.OutlineShape;
+import com.jogamp.graph.math.Quaternion;
+
+public class GlyphShape {
+
+ private Quaternion quat= null;
+ private int numVertices = 0;
+ private OutlineShape shape = null;
+
+ /** Create a new Glyph shape
+ * based on Parametric curve control polyline
+ */
+ public GlyphShape(Vertex.Factory<? extends Vertex> factory){
+ shape = new OutlineShape(factory);
+ }
+
+ /** Create a GlyphShape from a font Path Iterator
+ * @param pathIterator the path iterator
+ *
+ * @see PathIterator
+ */
+ public GlyphShape(Vertex.Factory<? extends Vertex> factory, PathIterator pathIterator){
+ this(factory);
+
+ if(null != pathIterator){
+ while(!pathIterator.isDone()){
+ float[] coords = new float[6];
+ int segmentType = pathIterator.currentSegment(coords);
+ addOutlineVerticesFromGlyphVector(coords, segmentType);
+
+ pathIterator.next();
+ }
+ }
+ shape.transformOutlines(OutlineShape.QUADRATIC_NURBS);
+ }
+
+ public final Vertex.Factory<? extends Vertex> vertexFactory() { return shape.vertexFactory(); }
+
+ private void addVertexToLastOutline(Vertex vertex){
+ shape.addVertex(vertex);
+ }
+
+ private void addOutlineVerticesFromGlyphVector(float[] coords, int segmentType){
+ if(segmentType == PathIterator.SEG_MOVETO){
+ if(!shape.getLastOutline().isEmpty()){
+ shape.addEmptyOutline();
+ }
+ Vertex vert = vertexFactory().create(coords[0],coords[1]);
+ vert.setOnCurve(true);
+ addVertexToLastOutline(vert);
+
+ numVertices++;
+ }
+ else if(segmentType == PathIterator.SEG_LINETO){
+ Vertex vert1 = vertexFactory().create(coords[0],coords[1]);
+ vert1.setOnCurve(true);
+ addVertexToLastOutline(vert1);
+
+ numVertices++;
+ }
+ else if(segmentType == PathIterator.SEG_QUADTO){
+ Vertex vert1 = vertexFactory().create(coords[0],coords[1]);
+ vert1.setOnCurve(false);
+ addVertexToLastOutline(vert1);
+
+ Vertex vert2 = vertexFactory().create(coords[2],coords[3]);
+ vert2.setOnCurve(true);
+ addVertexToLastOutline(vert2);
+
+ numVertices+=2;
+ }
+ else if(segmentType == PathIterator.SEG_CUBICTO){
+ Vertex vert1 = vertexFactory().create(coords[0],coords[1]);
+ vert1.setOnCurve(false);
+ addVertexToLastOutline(vert1);
+
+ Vertex vert2 = vertexFactory().create(coords[2],coords[3]);
+ vert2.setOnCurve(false);
+ addVertexToLastOutline(vert2);
+
+ Vertex vert3 = vertexFactory().create(coords[4],coords[5]);
+ vert3.setOnCurve(true);
+ addVertexToLastOutline(vert3);
+
+ numVertices+=3;
+ }
+ else if(segmentType == PathIterator.SEG_CLOSE){
+ shape.closeLastOutline();
+ }
+ }
+
+ public int getNumVertices() {
+ return numVertices;
+ }
+
+ /** Get the rotational Quaternion attached to this Shape
+ * @return the Quaternion Object
+ */
+ public Quaternion getQuat() {
+ return quat;
+ }
+
+ /** Set the Quaternion that shall defien the rotation
+ * of this shape.
+ * @param quat
+ */
+ public void setQuat(Quaternion quat) {
+ this.quat = quat;
+ }
+
+ /** Triangluate the glyph shape
+ * @param sharpness sharpness of the curved regions default = 0.5
+ * @return ArrayList of triangles which define this shape
+ */
+ public ArrayList<Triangle> triangulate(float sharpness){
+ return shape.triangulate(sharpness);
+ }
+
+ /** Get the list of Vertices of this Object
+ * @return arrayList of Vertices
+ */
+ public ArrayList<Vertex> getVertices(){
+ return shape.getVertices();
+ }
+}
diff --git a/turtle2d/src/jogamp/graph/curve/text/GlyphString.java b/turtle2d/src/jogamp/graph/curve/text/GlyphString.java
new file mode 100644
index 000000000..808e3a415
--- /dev/null
+++ b/turtle2d/src/jogamp/graph/curve/text/GlyphString.java
@@ -0,0 +1,163 @@
+/**
+ * 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 jogamp.graph.curve.text;
+
+import java.util.ArrayList;
+
+import com.jogamp.graph.geom.Vertex;
+import com.jogamp.graph.geom.Triangle;
+import com.jogamp.graph.geom.opengl.SVertex;
+
+import javax.media.opengl.GLContext;
+
+import jogamp.graph.geom.plane.AffineTransform;
+import jogamp.graph.geom.plane.Path2D;
+import jogamp.graph.geom.plane.PathIterator;
+
+
+import com.jogamp.graph.curve.Region;
+import com.jogamp.graph.curve.RegionFactory;
+import com.jogamp.opengl.util.PMVMatrix;
+import com.jogamp.opengl.util.glsl.ShaderState;
+
+public class GlyphString {
+ private final Vertex.Factory<? extends Vertex> pointFactory;
+ private ArrayList<GlyphShape> glyphs = new ArrayList<GlyphShape>();
+ private String str = "";
+ private String fontname = "";
+ private Region region;
+
+ private SVertex origin = new SVertex();
+
+ /** Create a new GlyphString object
+ * @param fontname the name of the font that this String is
+ * associated with
+ * @param str the string object
+ */
+ public GlyphString(Vertex.Factory<? extends Vertex> factory, String fontname, String str){
+ pointFactory = factory;
+ this.fontname = fontname;
+ this.str = str;
+ }
+
+ public final Vertex.Factory<? extends Vertex> pointFactory() { return pointFactory; }
+
+ public void addGlyphShape(GlyphShape glyph){
+ glyphs.add(glyph);
+ }
+ public String getString(){
+ return str;
+ }
+
+ /** Creates the Curve based Glyphs from a Font
+ * @param paths a list of FontPath2D objects that define the outline
+ * @param affineTransform a global affine transformation applied to the paths.
+ */
+ public void createfromFontPath(Path2D[] paths, AffineTransform affineTransform){
+ final int numGlyps = paths.length;
+ for (int index=0;index<numGlyps;index++){
+ if(paths[index] == null){
+ continue;
+ }
+ PathIterator iterator = paths[index].iterator(affineTransform);
+ GlyphShape glyphShape = new GlyphShape(pointFactory, iterator);
+
+ if(glyphShape.getNumVertices() < 3) {
+ continue;
+ }
+ addGlyphShape(glyphShape);
+ }
+ }
+
+ private ArrayList<Triangle> initializeTriangles(float sharpness){
+ ArrayList<Triangle> triangles = new ArrayList<Triangle>();
+ for(GlyphShape glyph:glyphs){
+ ArrayList<Triangle> tris = glyph.triangulate(sharpness);
+ triangles.addAll(tris);
+ }
+ return triangles;
+ }
+
+ /** Generate a OGL Region to represent this Object.
+ * @param context the GLContext which the region is defined by.
+ * @param shaprness the curvature sharpness of the object.
+ * @param st shader state
+ */
+ public void generateRegion(GLContext context, float shaprness, ShaderState st, int type){
+ region = RegionFactory.create(context, st, type);
+ region.setFlipped(true);
+
+ ArrayList<Triangle> tris = initializeTriangles(shaprness);
+ region.addTriangles(tris);
+
+ int numVertices = region.getNumVertices();
+ for(GlyphShape glyph:glyphs){
+ ArrayList<Vertex> gVertices = glyph.getVertices();
+ for(Vertex vert:gVertices){
+ vert.setId(numVertices++);
+ }
+ region.addVertices(gVertices);
+ }
+
+ /** initialize the region */
+ region.update();
+ }
+
+ /** Generate a Hashcode for this object
+ * @return a string defining the hashcode
+ */
+ public String getTextHashCode(){
+ return "" + fontname.hashCode() + str.hashCode();
+ }
+
+ /** Render the Object based using the associated Region
+ * previously generated.
+ */
+ public void renderString3D() {
+ region.render(null, 0, 0, 0);
+ }
+ /** Render the Object based using the associated Region
+ * previously generated.
+ */
+ public void renderString3D(PMVMatrix matrix, int vp_width, int vp_height, int size) {
+ region.render(matrix, vp_width, vp_height, size);
+ }
+
+ /** Get the Origion of this GlyphString
+ * @return
+ */
+ public Vertex getOrigin() {
+ return origin;
+ }
+
+ /** Destroy the associated OGL objects
+ */
+ public void destroy(){
+ region.destroy();
+ }
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-02 02:10:33 +0000