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/**
* 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.GLCapabilities;
import javax.media.opengl.GLEventListener;
import javax.media.opengl.GLProfile;
import com.jogamp.graph.curve.OutlineShape;
import com.jogamp.graph.curve.opengl.RegionRenderer;
import com.jogamp.graph.geom.opengl.SVertex;
import com.jogamp.newt.event.KeyEvent;
import com.jogamp.newt.event.KeyListener;
import com.jogamp.newt.event.WindowAdapter;
import com.jogamp.newt.event.WindowEvent;
import com.jogamp.newt.opengl.GLWindow;
import com.jogamp.opengl.util.FPSAnimator;
/** Demonstrate the rendering of multiple outlines into one region/OutlineShape
* These Outlines are not necessary connected or contained.
* The output of this demo shows two identical shapes but the left one
* has some vertices with off-curve flag set to true, and the right allt he vertices
* are on the curve. Demos the Res. Independent Nurbs based Curve rendering
*
*/
public class GPURegionNewtDemo01 {
private static void create(){
new RegionNewtWindow();
}
public static void main(String[] args) {
create();
}
}
class RegionNewtWindow {
RegionGLListener regionGLListener = null;
public RegionNewtWindow(){
createWindow();
}
private void createWindow() {
GLProfile.initSingleton(true);
GLProfile glp = GLProfile.getGL2ES2();
GLCapabilities caps = new GLCapabilities(glp);
caps.setAlphaBits(4);
caps.setSampleBuffers(true);
caps.setNumSamples(4); // 2 samples is not enough ..
System.out.println("Requested: " + caps);
final GLWindow window = GLWindow.create(caps);
window.setPosition(10, 10);
window.setSize(500, 500);
window.setTitle("GPU Curve Region Newt Demo 01 - r2t0 msaa1");
regionGLListener = new RegionGLListener();
window.addGLEventListener(regionGLListener);
window.setVisible(true);
window.addKeyListener(new KeyListener() {
public void keyPressed(KeyEvent arg0) {
if(arg0.getKeyCode() == KeyEvent.VK_1){
regionGLListener.zoomIn();
}
else if(arg0.getKeyCode() == KeyEvent.VK_2){
regionGLListener.zoomOut();
}
else if(arg0.getKeyCode() == KeyEvent.VK_UP){
regionGLListener.move(0, -1);
}
else if(arg0.getKeyCode() == KeyEvent.VK_DOWN){
regionGLListener.move(0, 1);
}
else if(arg0.getKeyCode() == KeyEvent.VK_LEFT){
regionGLListener.move(1, 0);
}
else if(arg0.getKeyCode() == KeyEvent.VK_RIGHT){
regionGLListener.move(-1, 0);
}
else if(arg0.getKeyCode() == KeyEvent.VK_0){
regionGLListener.rotate(1);
}
else if(arg0.getKeyCode() == KeyEvent.VK_9){
regionGLListener.rotate(-1);
}
}
public void keyTyped(KeyEvent arg0) {}
public void keyReleased(KeyEvent arg0) {}
});
FPSAnimator animator = new FPSAnimator(60);
animator.add(window);
window.addWindowListener(new WindowAdapter() {
public void windowDestroyNotify(WindowEvent arg0) {
System.exit(0);
};
});
animator.start();
}
private class RegionGLListener implements GLEventListener{
RegionRenderer regionRenderer = null;
OutlineShape outlineShape = null;
public RegionGLListener() {}
private void createTestOutline(){
float offset = 0;
outlineShape = new OutlineShape(SVertex.factory());
outlineShape.addVertex(0.0f,-10.0f, true);
outlineShape.addVertex(15.0f,-10.0f, true);
outlineShape.addVertex(10.0f,5.0f, false);
outlineShape.addVertex(15.0f,10.0f, true);
outlineShape.addVertex(6.0f,15.0f, false);
outlineShape.addVertex(5.0f,8.0f, false);
outlineShape.addVertex(0.0f,10.0f,true);
outlineShape.closeLastOutline();
outlineShape.addEmptyOutline();
outlineShape.addVertex(5.0f,-5.0f,true);
outlineShape.addVertex(10.0f,-5.0f, false);
outlineShape.addVertex(10.0f,0.0f, true);
outlineShape.addVertex(5.0f,0.0f, false);
outlineShape.closeLastOutline();
/** Same shape as above but without any off-curve vertices */
outlineShape.addEmptyOutline();
offset = 30;
outlineShape.addVertex(offset+0.0f,-10.0f, true);
outlineShape.addVertex(offset+17.0f,-10.0f, true);
outlineShape.addVertex(offset+11.0f,5.0f, true);
outlineShape.addVertex(offset+16.0f,10.0f, true);
outlineShape.addVertex(offset+7.0f,15.0f, true);
outlineShape.addVertex(offset+6.0f,8.0f, true);
outlineShape.addVertex(offset+0.0f,10.0f, true);
outlineShape.closeLastOutline();
outlineShape.addEmptyOutline();
outlineShape.addVertex(offset+5.0f,0.0f, true);
outlineShape.addVertex(offset+5.0f,-5.0f, true);
outlineShape.addVertex(offset+10.0f,-5.0f, true);
outlineShape.addVertex(offset+10.0f,0.0f, true);
outlineShape.closeLastOutline();
}
public void init(GLAutoDrawable drawable) {
GL2ES2 gl = drawable.getGL().getGL2ES2();
gl.setSwapInterval(1);
gl.glEnable(GL2ES2.GL_DEPTH_TEST);
regionRenderer = new RegionRenderer(drawable.getContext());
regionRenderer.setAlpha(1.0f);
regionRenderer.setColor(0.0f, 0.0f, 0.0f);
//gl.glSampleCoverage(0.95f, false);
//gl.glEnable(GL2GL3.GL_SAMPLE_COVERAGE); // sample coverage doesn't really make a difference to lines
//gl.glEnable(GL2GL3.GL_SAMPLE_ALPHA_TO_ONE);
MSAATool.dump(drawable);
createTestOutline();
}
float ang = 0;
float zoom = -70;
float xTran = -20;
float yTran = 5;
public void display(GLAutoDrawable drawable) {
GL2ES2 gl = drawable.getGL().getGL2ES2();
gl.glClearColor(1.0f, 1.0f, 1.0f, 1.0f);
gl.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT);
regionRenderer.resetMatrix();
regionRenderer.translate(xTran, yTran, zoom);
regionRenderer.rotate(ang, 0, 1, 0);
try {
regionRenderer.renderOutlineShape(outlineShape, new float[]{0,0,0});
} catch (Exception e) {
e.printStackTrace();
}
}
public void reshape(GLAutoDrawable drawable, int xstart, int ystart, int width, int height){
GL2ES2 gl = drawable.getGL().getGL2ES2();
gl.glViewport(xstart, ystart, width, height);
regionRenderer.reshape(drawable, 45.0f, (float)width / (float)height, 0.1f, 7000.0f);
}
public void zoomIn(){
zoom++;
}
public void zoomOut(){
zoom--;
}
public void move(float x, float y){
xTran += x;
yTran += y;
}
public void rotate(float delta){
ang+= delta;
ang%=360;
}
public void dispose(GLAutoDrawable arg0) {
regionRenderer.clearCached();
}
}
}
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