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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.
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* 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.
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* THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
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package com.jogamp.opengl.test.junit.graph.demos;
import com.jogamp.opengl.GL;
import com.jogamp.opengl.GL2ES2;
import com.jogamp.opengl.GLAutoDrawable;
import com.jogamp.opengl.fixedfunc.GLMatrixFunc;
import com.jogamp.graph.curve.OutlineShape;
import com.jogamp.graph.curve.opengl.GLRegion;
import com.jogamp.graph.curve.opengl.RenderState;
import com.jogamp.graph.curve.opengl.RegionRenderer;
import com.jogamp.opengl.util.PMVMatrix;
/** 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 GPURegionGLListener01 extends GPURendererListenerBase01 {
OutlineShape outlineShape = null;
public GPURegionGLListener01 (final RenderState rs, final int renderModes, final int sampleCount, final boolean debug, final boolean trace) {
super(RegionRenderer.create(rs, RegionRenderer.defaultBlendEnable, RegionRenderer.defaultBlendDisable), renderModes, debug, trace);
rs.setHintMask(RenderState.BITHINT_GLOBAL_DEPTH_TEST_ENABLED);
setMatrix(-20, 00, -50, 0f, sampleCount);
}
private void createTestOutline(){
float offset = 0;
outlineShape = new OutlineShape(getRenderer().getRenderState().getVertexFactory());
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(true);
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(true);
/** Same shape as above but without any off-curve vertices */
offset = 30;
outlineShape.addEmptyOutline();
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(true);
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(true);
region = GLRegion.create(getRenderModes(), null);
region.addOutlineShape(outlineShape, null, region.hasColorChannel() ? getRenderer().getRenderState().getColorStatic(new float[4]) : null);
}
public void init(final GLAutoDrawable drawable) {
super.init(drawable);
final GL2ES2 gl = drawable.getGL().getGL2ES2();
final RenderState rs = getRenderer().getRenderState();
gl.setSwapInterval(1);
gl.glEnable(GL.GL_DEPTH_TEST);
gl.glEnable(GL.GL_BLEND);
rs.setColorStatic(0.0f, 0.0f, 0.0f, 1.0f);
createTestOutline();
}
public void display(final GLAutoDrawable drawable) {
final 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);
final RegionRenderer regionRenderer = getRenderer();
final PMVMatrix pmv = regionRenderer.getMatrix();
pmv.glMatrixMode(GLMatrixFunc.GL_MODELVIEW);
pmv.glLoadIdentity();
pmv.glTranslatef(getXTran(), getYTran(), getZTran());
pmv.glRotatef(getAngle(), 0, 1, 0);
if( weight != regionRenderer.getRenderState().getWeight() ) {
regionRenderer.getRenderState().setWeight(weight);
}
region.draw(gl, regionRenderer, getSampleCount());
}
}