Attachment 435 Details for Bug 709 – self-contained main() test

self-contained main() test

file_709.txt (text/plain), 4.91 KB, created by Maik on 2013-03-22 21:06:45 CET

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Creator: Maik

Created: 2013-03-22 21:06:45 CET

Size: 4.91 KB

patch

obsolete

>import java.io.File;
>import java.io.IOException;
>import java.nio.ByteBuffer;
>
>import javax.media.opengl.GL;
>import javax.media.opengl.GL2;
>import javax.media.opengl.GLAutoDrawable;
>import javax.media.opengl.GLCapabilities;
>import javax.media.opengl.GLEventListener;
>import javax.media.opengl.GLProfile;
>
>import com.jogamp.newt.event.WindowAdapter;
>import com.jogamp.newt.event.WindowEvent;
>import com.jogamp.newt.opengl.GLWindow;
>import com.jogamp.opengl.util.awt.Screenshot;
>import com.jogamp.opengl.util.gl2.GLUT;
>import com.jogamp.opengl.util.texture.Texture;
>import com.jogamp.opengl.util.texture.TextureIO;
>
>/**
> * Adapted from
> * http://www.java-tips.org/other-api-tips/jogl/how-to-draw-a-texture
> * -mapped-teapot-with-automatically-generated-texture-coordi.html
> */
>public class JoglNewtTeapot implements GLEventListener {
>
>	private GLUT glut;
>
>	private static final int stripeImageWidth = 32;
>	private ByteBuffer stripeImageBuf = ByteBuffer
>			.allocate(3 * stripeImageWidth);
>	/* glTexGen stuff: */
>	private float sgenparams[] = { 1.0f, 1.0f, 1.0f, 0.0f };
>
>	@Override
>	public void display(GLAutoDrawable gLDrawable) {
>		final GL2 gl = gLDrawable.getGL().getGL2();
>
>		gl.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT);
>		gl.glPushMatrix();
>		gl.glRotatef(45.0f, 0.0f, 0.0f, 1.0f);
>		glut.glutSolidTeapot(2.0f);
>		gl.glPopMatrix();
>		gl.glFlush();
>
>		try {
>			Screenshot.writeToFile(
>					new File("testjo" + System.currentTimeMillis() + ".png"),
>					640, 480, true);
>		} catch (Exception e) {
>			e.printStackTrace();
>		}
>	}
>
>	@Override
>	public void init(GLAutoDrawable drawable) {
>		GL2 gl = drawable.getGL().getGL2();
>		glut = new GLUT();
>
>		gl.glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
>
>		Texture tex = null;
>		try {
>			tex = TextureIO
>					.newTexture(getClass().getClassLoader()
>							.getResourceAsStream("ardor3d_white_256.jpg"),
>							false, "jpg");
>		} catch (Exception e) {
>			e.printStackTrace();
>		}
>		tex.bind(gl);
>
>		// uncomment this and comment the above to see a working texture
>		// makeStripeImage();
>		// gl.glPixelStorei(GL.GL_UNPACK_ALIGNMENT, 1);
>		// gl.glTexEnvf(GL2.GL_TEXTURE_ENV, GL2.GL_TEXTURE_ENV_MODE,
>		// GL2.GL_MODULATE);
>		// gl.glTexParameterf(GL2.GL_TEXTURE_1D, GL.GL_TEXTURE_WRAP_S,
>		// GL.GL_REPEAT);
>		// gl.glTexParameterf(GL2.GL_TEXTURE_1D, GL.GL_TEXTURE_MAG_FILTER,
>		// GL.GL_LINEAR);
>		// gl.glTexParameterf(GL2.GL_TEXTURE_1D, GL.GL_TEXTURE_MIN_FILTER,
>		// GL.GL_LINEAR);
>		// gl.glTexImage1D(GL2.GL_TEXTURE_1D, 0, 3, stripeImageWidth, 0,
>		// GL.GL_RGB, GL.GL_UNSIGNED_BYTE, stripeImageBuf);
>
>		gl.glTexGeni(GL2.GL_S, GL2.GL_TEXTURE_GEN_MODE, GL2.GL_OBJECT_LINEAR);
>		gl.glTexGenfv(GL2.GL_S, GL2.GL_OBJECT_PLANE, sgenparams, 0);
>
>		gl.glEnable(GL.GL_DEPTH_TEST);
>		gl.glDepthFunc(GL.GL_LESS);
>		gl.glEnable(GL2.GL_TEXTURE_GEN_S);
>		// gl.glEnable(GL2.GL_TEXTURE_1D);
>		gl.glEnable(GL2.GL_TEXTURE_2D);
>		gl.glEnable(GL2.GL_CULL_FACE);
>		gl.glEnable(GL2.GL_LIGHTING);
>		gl.glEnable(GL2.GL_LIGHT0);
>		gl.glEnable(GL2.GL_AUTO_NORMAL);
>		gl.glEnable(GL2.GL_NORMALIZE);
>		gl.glFrontFace(GL.GL_CW);
>		gl.glCullFace(GL.GL_BACK);
>		gl.glMaterialf(GL.GL_FRONT, GL2.GL_SHININESS, 64.0f);
>	}
>
>	private void makeStripeImage() {
>		for (int j = 0; j < stripeImageWidth; j++) {
>			stripeImageBuf.put(((j <= 4) ? (byte) 255 : (byte) 0));
>			stripeImageBuf.put(((j > 4) ? (byte) 255 : (byte) 0));
>			stripeImageBuf.put((byte) 0);
>		}
>		stripeImageBuf.rewind();
>	}
>
>	@Override
>	public void reshape(GLAutoDrawable gLDrawable, int x, int y, int w, int h) {
>		GL2 gl = gLDrawable.getGL().getGL2();
>
>		gl.glViewport(0, 0, w, h);
>		gl.glMatrixMode(GL2.GL_PROJECTION);
>		gl.glLoadIdentity();
>		if (w <= h)
>			gl.glOrtho(-3.5, 3.5, -3.5 * (float) h / (float) w, 3.5 * (float) h
>					/ (float) w, -3.5, 3.5);
>		else
>			gl.glOrtho(-3.5 * (float) w / (float) h, //
>					3.5 * (float) w / (float) h, -3.5, 3.5, -3.5, 3.5);
>		gl.glMatrixMode(GL2.GL_MODELVIEW);
>		gl.glLoadIdentity();
>	}
>
>	@Override
>	public void dispose(GLAutoDrawable gLDrawable) {
>	}
>
>	public static void main(String[] args) throws InterruptedException,
>			IOException {
>
>		final GLCapabilities caps = new GLCapabilities(
>				GLProfile.getMaxFixedFunc(true));
>		caps.setHardwareAccelerated(true);
>		caps.setDoubleBuffered(true);
>		caps.setAlphaBits(8);
>		caps.setDepthBits(8);
>		caps.setNumSamples(0);
>		caps.setSampleBuffers(false);
>		caps.setStencilBits(0);
>		caps.setRedBits(8);
>		caps.setBlueBits(8);
>		caps.setGreenBits(8);
>
>		// caps.setPBuffer(true);
>		caps.setFBO(true);
>
>		final GLWindow glWindow = GLWindow.create(caps);
>		glWindow.setSize(640, 480);
>		glWindow.addGLEventListener(new JoglNewtTeapot());
>
>		glWindow.addWindowListener(new WindowAdapter() {
>			@Override
>			public void windowDestroyed(WindowEvent arg0) {
>				System.exit(0);
>			}
>		});
>
>		glWindow.setVisible(true);
>
>		for (int x = 0; x < 5; x++) {
>			glWindow.display();
>		}
>	}
>}

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