1 /**
2  * Copyright 2010 JogAmp Community. All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without modification, are
5  * permitted provided that the following conditions are met:
6  *
7  *    1. Redistributions of source code must retain the above copyright notice, this list of
8  *       conditions and the following disclaimer.
9  *
10  *    2. Redistributions in binary form must reproduce the above copyright notice, this list
11  *       of conditions and the following disclaimer in the documentation and/or other materials
12  *       provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
15  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
16  * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
19  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
20  * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
21  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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23  *
24  * The views and conclusions contained in the software and documentation are those of the
25  * authors and should not be interpreted as representing official policies, either expressed
26  * or implied, of JogAmp Community.
27  */
28 
29 package com.jogamp.opengl.test.junit.graph.demos;
30 
31 import java.util.ArrayList;
32 import java.util.List;
33 
34 import com.jogamp.opengl.GL;
35 import com.jogamp.opengl.GL2ES2;
36 import com.jogamp.opengl.GLAutoDrawable;
37 import com.jogamp.opengl.fixedfunc.GLMatrixFunc;
38 
39 import com.jogamp.graph.curve.OutlineShape;
40 import com.jogamp.graph.curve.opengl.GLRegion;
41 import com.jogamp.graph.curve.opengl.RenderState;
42 import com.jogamp.graph.curve.opengl.RegionRenderer;
43 import com.jogamp.opengl.util.PMVMatrix;
44 
45 /** Demonstrate the rendering of multiple OutlineShapes
46  *  into one region
47  *
48  */
49 public class GPURegionGLListener02 extends GPURendererListenerBase01 {
50     List<OutlineShape> outlineShapes = new ArrayList<OutlineShape>();
51 
GPURegionGLListener02(final RenderState rs, final int renderModes, final int sampleCount, final boolean debug, final boolean trace)52     public GPURegionGLListener02 (final RenderState rs, final int renderModes, final int sampleCount, final boolean debug, final boolean trace) {
53         super(RegionRenderer.create(rs, RegionRenderer.defaultBlendEnable, RegionRenderer.defaultBlendDisable), renderModes, debug, trace);
54         rs.setHintMask(RenderState.BITHINT_GLOBAL_DEPTH_TEST_ENABLED);
55         setMatrix(-20, 00, -50, 0f, sampleCount);
56     }
57 
createTestOutline()58     private void createTestOutline(){
59         float offset = 0;
60         OutlineShape shape = new OutlineShape(getRenderer().getRenderState().getVertexFactory());
61         outlineShapes.add(shape);
62         shape.addVertex(0.0f,-10.0f,true);
63         shape.addVertex(15.0f,-10.0f, true);
64         shape.addVertex(10.0f,5.0f, false);
65         shape.addVertex(15.0f,10.0f, true);
66         shape.addVertex(6.0f,15.0f, false);
67         shape.addVertex(5.0f,8.0f, false);
68         shape.addVertex(0.0f,10.0f,true);
69         shape.closeLastOutline(true);
70         shape.addEmptyOutline();
71         shape.addVertex(5.0f,-5.0f,true);
72         shape.addVertex(10.0f,-5.0f, false);
73         shape.addVertex(10.0f,0.0f, true);
74         shape.addVertex(5.0f,0.0f, false);
75         shape.closeLastOutline(true);
76 
77         /** Same shape as above but without any off-curve vertices */
78         shape = new OutlineShape(getRenderer().getRenderState().getVertexFactory());
79         outlineShapes.add(shape);
80         offset = 30;
81         shape.addVertex(offset+0.0f,-10.0f, true);
82         shape.addVertex(offset+17.0f,-10.0f, true);
83         shape.addVertex(offset+11.0f,5.0f, true);
84         shape.addVertex(offset+16.0f,10.0f, true);
85         shape.addVertex(offset+7.0f,15.0f, true);
86         shape.addVertex(offset+6.0f,8.0f, true);
87         shape.addVertex(offset+0.0f,10.0f, true);
88         shape.closeLastOutline(true);
89         shape.addEmptyOutline();
90         shape.addVertex(offset+5.0f,0.0f, true);
91         shape.addVertex(offset+5.0f,-5.0f, true);
92         shape.addVertex(offset+10.0f,-5.0f, true);
93         shape.addVertex(offset+10.0f,0.0f, true);
94         shape.closeLastOutline(true);
95 
96         region = GLRegion.create(getRenderModes(), null);
97         region.addOutlineShapes(outlineShapes, null, null);
98     }
99 
init(final GLAutoDrawable drawable)100     public void init(final GLAutoDrawable drawable) {
101         super.init(drawable);
102 
103         final GL2ES2 gl = drawable.getGL().getGL2ES2();
104 
105         final RenderState rs = getRenderer().getRenderState();
106 
107         gl.setSwapInterval(1);
108         gl.glEnable(GL.GL_DEPTH_TEST);
109         gl.glEnable(GL.GL_BLEND);
110         rs.setColorStatic(0.0f, 0.0f, 0.0f, 1.0f);
111 
112         createTestOutline();
113     }
114 
display(final GLAutoDrawable drawable)115     public void display(final GLAutoDrawable drawable) {
116         final GL2ES2 gl = drawable.getGL().getGL2ES2();
117 
118         gl.glClearColor(1.0f, 1.0f, 1.0f, 1.0f);
119         gl.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT);
120 
121         final RegionRenderer regionRenderer = getRenderer();
122 
123         final PMVMatrix pmv = regionRenderer.getMatrix();
124         pmv.glMatrixMode(GLMatrixFunc.GL_MODELVIEW);
125         pmv.glLoadIdentity();
126         pmv.glTranslatef(getXTran(), getYTran(), getZTran());
127         pmv.glRotatef(getAngle(), 0, 1, 0);
128         if( weight != regionRenderer.getRenderState().getWeight() ) {
129             regionRenderer.getRenderState().setWeight(weight);
130         }
131         region.draw(gl, regionRenderer, getSampleCount());
132 
133     }
134 }
135