Common demo gllistener for text; Cleanup HwTextRenderer: Use GL as parameter (matching API), only update data if necessary (uniform), hold data in GLUniform

1 files changed, 223 insertions, 0 deletions

diff --git a/src/demo/GPUTextGLListenerBase01.java b/src/demo/GPUTextGLListenerBase01.java
new file mode 100644
index 000000000..afdec1220
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+++ b/src/demo/GPUTextGLListenerBase01.java
@@ -0,0 +1,223 @@
+/**
+ * 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 demo;
+
+import javax.media.opengl.GL;
+import javax.media.opengl.GL2ES2;
+import javax.media.opengl.GLAutoDrawable;
+import javax.media.opengl.GLEventListener;
+import javax.media.opengl.GLPipelineFactory;
+
+import com.jogamp.graph.curve.text.HwTextRenderer;
+import com.jogamp.graph.font.Font;
+import com.jogamp.graph.geom.Vertex;
+import com.jogamp.newt.event.KeyEvent;
+import com.jogamp.newt.event.KeyListener;
+import com.jogamp.newt.opengl.GLWindow;
+
+public abstract class GPUTextGLListenerBase01 implements GLEventListener {
+    Vertex.Factory<? extends Vertex> vfactory;
+    HwTextRenderer textRenderer;    
+    KeyAction keyAction;
+    
+    boolean fontUpdate = true;
+    int fontSize = 40;
+    final int fontSizeModulo = 100;    
+    Font font;
+    
+    final float[] position = new float[] {0,0,0};
+    
+    float xTran = -10;
+    float yTran =  10;    
+    float ang = 0f;
+    float zoom = -70f;
+    // float zoom = -1000f;
+    int texSize = 400; // FBO/tex size ..
+
+    boolean doMatrix = true;
+    boolean debug;
+    boolean trace;
+    static final String text1;
+    static final String text2;
+
+    static {
+        text1 = "abcdef\nghijklmn\nopqrstuv\nwxyz"; // \n0123456789";
+        text2 = text1.toUpperCase();        
+    }
+
+    public GPUTextGLListenerBase01(Vertex.Factory<? extends Vertex> vfactory, int mode, boolean debug, boolean trace) {
+        this.textRenderer = new HwTextRenderer(vfactory, mode);
+        this.vfactory = vfactory;
+        this.debug = debug;
+        this.trace = trace;
+    }
+
+    public void setMatrix(float xtrans, float ytrans, float angle, int zoom, int fbosize) {
+        this.xTran = xtrans;
+        this.yTran = ytrans; 
+        this.ang = angle;  
+        this.zoom = zoom;
+        this.texSize = fbosize;        
+    }
+    
+    public void init(GLAutoDrawable drawable) {
+        GL2ES2 gl = drawable.getGL().getGL2ES2();
+        
+        if(debug) {
+            gl = gl.getContext().setGL( GLPipelineFactory.create("javax.media.opengl.Debug", null, gl, null) ).getGL2ES2();
+        }
+        if(trace) {
+            gl = gl.getContext().setGL( GLPipelineFactory.create("javax.media.opengl.Trace", null, gl, new Object[] { System.err } ) ).getGL2ES2();
+        }
+        gl.glClearColor(1.0f, 1.0f, 1.0f, 1.0f);
+    }
+    
+    public void reshape(GLAutoDrawable drawable, int xstart, int ystart, int width, int height) {
+        GL2ES2 gl = drawable.getGL().getGL2ES2();
+        
+        gl.glViewport(xstart, ystart, width, height);
+        textRenderer.reshape(gl, 45.0f, width, height, 0.1f, 7000.0f);
+        
+        dumpMatrix();
+    }
+    
+    public void display(GLAutoDrawable drawable) {
+        GL2ES2 gl = drawable.getGL().getGL2ES2();
+        
+        gl.glClearColor(1.0f, 1.0f, 1.0f, 1.0f); // Demo02 needs to have this set here as well .. hmm ?
+        gl.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT);
+
+        if(doMatrix) {
+            textRenderer.resetMatrix(gl);
+            textRenderer.translate(gl, xTran, yTran, zoom);
+            textRenderer.rotate(gl, ang, 0, 1, 0);
+            doMatrix = false;
+        }
+
+        if(fontUpdate) {
+            font = textRenderer.createFont(vfactory, "Lucida Sans Regular", fontSize);
+            fontUpdate = false;
+        }
+        textRenderer.renderString3D(gl, font, text2, position, texSize);
+    }        
+        
+    public void dispose(GLAutoDrawable drawable) {
+        GL2ES2 gl = drawable.getGL().getGL2ES2();
+        textRenderer.dispose(gl);
+    }    
+    
+    public void fontIncr(int v) {
+        fontSize = Math.abs((fontSize + v) % fontSizeModulo) ;
+        fontUpdate = true;
+        dumpMatrix();
+    }
+
+    public void zoom(int v){
+        zoom += v;
+        doMatrix = true;
+        dumpMatrix();
+    }
+    
+    public void move(float x, float y){
+        xTran += x;
+        yTran += y;
+        doMatrix = true;
+        dumpMatrix();
+    }
+    public void rotate(float delta){
+        ang += delta;
+        ang %= 360.0f;
+        doMatrix = true;
+        dumpMatrix();
+    }
+    
+    void dumpMatrix() {
+        System.err.println("Matrix: " + xTran + "/" + yTran + " x"+zoom + " @"+ang +" fontSize "+fontSize);
+    }
+    
+    public void attachTo(GLWindow window) {
+        if ( null == keyAction ) {
+            keyAction = new KeyAction();
+        }
+        window.addGLEventListener(this);
+        window.addKeyListener(keyAction);        
+    }
+    
+    public void detachFrom(GLWindow window) {
+        if ( null == keyAction ) {
+            return;
+        }
+        window.removeGLEventListener(this);
+        window.removeKeyListener(keyAction);
+    }
+    
+    public class KeyAction implements KeyListener {
+        public void keyPressed(KeyEvent arg0) {
+            if(arg0.getKeyCode() == KeyEvent.VK_1){
+                zoom(10);
+            }
+            else if(arg0.getKeyCode() == KeyEvent.VK_2){
+                zoom(-10);
+            }
+            else if(arg0.getKeyCode() == KeyEvent.VK_3){
+                fontIncr(10);
+            }
+            else if(arg0.getKeyCode() == KeyEvent.VK_4){
+                fontIncr(-10);
+            }
+            else if(arg0.getKeyCode() == KeyEvent.VK_UP){
+                move(0, -1);
+            }
+            else if(arg0.getKeyCode() == KeyEvent.VK_DOWN){
+                move(0, 1);
+            }
+            else if(arg0.getKeyCode() == KeyEvent.VK_LEFT){
+                move(1, 0);
+            }
+            else if(arg0.getKeyCode() == KeyEvent.VK_RIGHT){
+                move(-1, 0);
+            }
+            else if(arg0.getKeyCode() == KeyEvent.VK_6){
+                texSize -= 10;
+                System.err.println("Tex Size: " + texSize);
+            }
+            else if(arg0.getKeyCode() == KeyEvent.VK_7){
+                texSize += 10;
+                System.err.println("Tex Size: " + texSize);
+            }            
+            else if(arg0.getKeyCode() == KeyEvent.VK_0){
+                rotate(1);
+            }
+            else if(arg0.getKeyCode() == KeyEvent.VK_9){
+                rotate(-1);
+            }                           
+        }
+        public void keyTyped(KeyEvent arg0) {}
+        public void keyReleased(KeyEvent arg0) {}
+    }
+}
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