Folded turtle2d into jogl folders

3 files changed, 383 insertions, 0 deletions

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<? extends Vertex> factory, int type) {
+        return new jogamp.graph.curve.opengl.RegionRendererImpl01(factory, type);
+    }
+    
+    public RegionRenderer(Vertex.Factory<? extends Vertex> 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<Integer, Region> regions = new HashMap<Integer, Region>();
+
+    public void flushCache() {
+        Iterator<Region> 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<Triangle> triangles = (ArrayList<Triangle>) outlineShape.triangulate(sharpness);
+        ArrayList<Vertex> vertices = (ArrayList<Vertex>) 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<Triangle> triangles = outlineShape.triangulate(sharpness);
+            region.addTriangles(triangles);
+            
+            ArrayList<Vertex> 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<? extends Vertex> 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<? extends Vertex> factory, int renderType) {
+        this.renderType = renderType;
+        this.pointFactory = (null != factory) ? factory : SVertex.factory();        
+    }
+    
+    public Vertex.Factory<? extends Vertex> 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<? extends Vertex> factory, int type) {
+        return new jogamp.graph.curve.opengl.TextRendererImpl01(factory, type);
+    }
+    
+    protected TextRenderer(Vertex.Factory<? extends Vertex> 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<GlyphString> 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<String, GlyphString> stringCacheMap = new HashMap<String, GlyphString>(DEFAULT_CACHE_SIZE);
+   private ArrayList<String> stringCacheArray = new ArrayList<String>(DEFAULT_CACHE_SIZE);
+   private int stringCacheMaxSize = DEFAULT_CACHE_SIZE; // -1 unlimited, 0 off, >0 limited      
+}
\ No newline at end of file