TestTGATextureFromFileNEWT.java example

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package com.jogamp.opengl.test.junit.jogl.util.texture;

import java.io.IOException;
import java.io.InputStream;
import java.net.URLConnection;

import com.jogamp.opengl.GLAutoDrawable;
import com.jogamp.opengl.GLCapabilities;
import com.jogamp.opengl.GLEventListener;
import com.jogamp.opengl.GLProfile;

import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import org.junit.FixMethodOrder;
import org.junit.runners.MethodSorters;

import com.jogamp.common.util.IOUtil;
import com.jogamp.newt.opengl.GLWindow;
import com.jogamp.opengl.test.junit.jogl.demos.TextureDraw01Accessor;
import com.jogamp.opengl.test.junit.jogl.demos.es2.TextureDraw01ES2Listener;
import com.jogamp.opengl.test.junit.jogl.demos.gl2.TextureDraw01GL2Listener;
import com.jogamp.opengl.test.junit.util.MiscUtils;
import com.jogamp.opengl.test.junit.util.QuitAdapter;
import com.jogamp.opengl.test.junit.util.UITestCase;
import com.jogamp.opengl.util.Animator;
import com.jogamp.opengl.util.GLReadBufferUtil;
import com.jogamp.opengl.util.texture.TextureData;
import com.jogamp.opengl.util.texture.TextureIO;

@FixMethodOrder(MethodSorters.NAME_ASCENDING)
public class TestTGATextureFromFileNEWT extends UITestCase {
    static boolean showFPS = false;
    static long duration = 100; // ms

    InputStream testTextureStream01U32;
    InputStream testTextureStream02RLE32;
    InputStream testTextureStream03RLE32;

    @Before
    public void initTest() throws IOException {
        {
            final URLConnection testTextureUrlConn = IOUtil.getResource("test-u32.tga", this.getClass().getClassLoader(), this.getClass());
            Assert.assertNotNull(testTextureUrlConn);
            testTextureStream01U32 = testTextureUrlConn.getInputStream();
            Assert.assertNotNull(testTextureStream01U32);
        }
        {
            final URLConnection testTextureUrlConn = IOUtil.getResource("bug744-rle32.tga", this.getClass().getClassLoader(), this.getClass());
            Assert.assertNotNull(testTextureUrlConn);
            testTextureStream02RLE32 = testTextureUrlConn.getInputStream();
            Assert.assertNotNull(testTextureStream02RLE32);
        }
        {
            final URLConnection testTextureUrlConn = IOUtil.getResource("bug982.rle32.256x256.tga", this.getClass().getClassLoader(), this.getClass());
            Assert.assertNotNull(testTextureUrlConn);
            testTextureStream03RLE32 = testTextureUrlConn.getInputStream();
            Assert.assertNotNull(testTextureStream03RLE32);
        }
    }

    public void testImpl(final boolean useFFP, final InputStream istream) throws InterruptedException, IOException {
        final GLReadBufferUtil screenshot = new GLReadBufferUtil(true, false);
        GLProfile glp;
        if(useFFP && GLProfile.isAvailable(GLProfile.GL2)) {
            glp = GLProfile.getMaxFixedFunc(true);
        } else if(!useFFP && GLProfile.isAvailable(GLProfile.GL2ES2)) {
            glp = GLProfile.getGL2ES2();
        } else {
            System.err.println(getSimpleTestName(".")+": GLProfile n/a, useFFP: "+useFFP);
            return;
        }
        final GLCapabilities caps = new GLCapabilities(glp);
        caps.setAlphaBits(1);

        final TextureData texData = TextureIO.newTextureData(glp, istream, false /* mipmap */, TextureIO.TGA);
        System.err.println("TextureData: "+texData);

        final GLWindow glad = GLWindow.create(caps);
        glad.setTitle("TestTGATextureGL2FromFileNEWT");
        // Size OpenGL to Video Surface
        glad.setSize(texData.getWidth(), texData.getHeight());

        // load texture from file inside current GL context to match the way
        // the bug submitter was doing it
        final GLEventListener gle = useFFP ? new TextureDraw01GL2Listener( texData ) : new TextureDraw01ES2Listener( texData, 0 ) ;
        glad.addGLEventListener(gle);
        glad.addGLEventListener(new GLEventListener() {
            boolean shot = false;

            @Override public void init(final GLAutoDrawable drawable) {}

            public void display(final GLAutoDrawable drawable) {
                // 1 snapshot
                if(null!=((TextureDraw01Accessor)gle).getTexture() && !shot) {
                    shot = true;
                    snapshot(0, null, drawable.getGL(), screenshot, TextureIO.PNG, null);
                }
            }

            @Override public void dispose(final GLAutoDrawable drawable) { }
            @Override public void reshape(final GLAutoDrawable drawable, final int x, final int y, final int width, final int height) { }
        });

        final Animator animator = new Animator(glad);
        animator.setUpdateFPSFrames(60, showFPS ? System.err : null);
        final QuitAdapter quitAdapter = new QuitAdapter();
        glad.addKeyListener(quitAdapter);
        glad.addWindowListener(quitAdapter);
        glad.setVisible(true);
        animator.start();

        while(!quitAdapter.shouldQuit() && animator.isAnimating() && animator.getTotalFPSDuration()<duration) {
            Thread.sleep(100);
        }

        animator.stop();
        glad.destroy();
    }

    @Test
    public void test01U32__GL2() throws InterruptedException, IOException {
        testImpl(true, testTextureStream01U32);
    }

    @Test
    public void test02RLE32__GL2() throws InterruptedException, IOException {
        testImpl(true, testTextureStream02RLE32);
    }

    @Test
    public void test03RLE32__GL2() throws InterruptedException, IOException {
        testImpl(true, testTextureStream03RLE32);
    }

    @After
    public void cleanupTest() {
        testTextureStream01U32 = null;
        testTextureStream02RLE32 = null;
        testTextureStream03RLE32 = null;
    }

    public static void main(final String args[]) throws IOException {
        for(int i=0; i<args.length; i++) {
            if(args[i].equals("-time")) {
                i++;
                duration = MiscUtils.atol(args[i], duration);
            }
        }
        org.junit.runner.JUnitCore.main(TestTGATextureFromFileNEWT.class.getName());
    }
}