com.jogamp.opengl.GL2#glClearColor

Source File: CubeTexture.java From MeteoInfo with GNU Lesser General Public License v3.0

6 votes

@Override
public void init(GLAutoDrawable drawable) {
    final GL2 gl = drawable.getGL().getGL2();
    gl.glShadeModel(GL2.GL_SMOOTH);
    gl.glClearColor(1.0f, 1.0f, 1.0f, 1.0f);
    gl.glClearDepth(1.0f);
    gl.glEnable(GL2.GL_DEPTH_TEST);
    gl.glDepthFunc(GL2.GL_LEQUAL);
    gl.glHint(GL2.GL_PERSPECTIVE_CORRECTION_HINT, GL2.GL_NICEST);
    gl.glEnable(GL2.GL_TEXTURE_2D);
    
    try {
        File im = new File("D:\\Temp\\image\\lenna.jpg ");
        //File im = new File("D:\\Temp\\Map\\GLOBALeb3colshade.jpg");
        BufferedImage image = ImageIO.read(im);
        Texture t = AWTTextureIO.newTexture(gl.getGLProfile(), image, true);
        //Texture t = TextureIO.newTexture(im, true);
        texture = t.getTextureObject(gl);
    } catch (IOException e) {
        e.printStackTrace();
    }
}

Source File: OpenGLGFXCMD.java From sagetv with Apache License 2.0

6 votes

public void reshape(GLAutoDrawable drawable, int x, int y, int width, int height)
{
  GL2 gl;
  System.out.println("reshape "+x+","+y+" "+width+","+height);
  gl = drawable.getGL().getGL2();
  newosdwidth=width;
  newosdheight=height;
  gl.glViewport(0, 0, newosdwidth, newosdheight);
  gl.glMatrixMode(GLMatrixFunc.GL_PROJECTION);
  gl.glLoadIdentity();
  gl.glOrtho(0,newosdwidth,newosdheight,0,-1.0,1.0);
  gl.glMatrixMode(GLMatrixFunc.GL_MODELVIEW);
  gl.glLoadIdentity();
  gl.glClearColor( 0.0f, 0.0f, 0.0f, 0.0f);
  gl.glClear( gl.GL_COLOR_BUFFER_BIT);
  synchronized(newpbufferlock)
  {
    newpbuffer=true;
  }
  myConn.postResizeEvent(new java.awt.Dimension(c.getWidth(), c.getHeight()));
}

Source File: DelaunayTriangulationExample.java From delaunay-triangulator with MIT License

6 votes

public void init(GLAutoDrawable drawable) {
    GL2 gl = drawable.getGL().getGL2();

    gl.glDisable(GL.GL_CULL_FACE);
    gl.glShadeModel(GL2.GL_SMOOTH);
    gl.glClearColor(COLOR_BACKGROUND.getRed() / 255.0f, COLOR_BACKGROUND.getGreen() / 255.0f,
            COLOR_BACKGROUND.getBlue() / 255.0f, 1);
    gl.glClearDepth(1.0f);
    gl.glEnable(GL.GL_DEPTH_TEST);
    gl.glDepthFunc(GL.GL_LEQUAL);
    gl.glHint(GL2.GL_PERSPECTIVE_CORRECTION_HINT, GL.GL_NICEST);

    gl.setSwapInterval(1);
    gl.glDisable(GL2.GL_CULL_FACE);

    delaunayTriangulator = new DelaunayTriangulator(pointSet);
}

Source File: CubeSample2.java From MeteoInfo with GNU Lesser General Public License v3.0

5 votes

@Override
	public void init(GLAutoDrawable drawable) {
//		animator = new FPSAnimator(drawable, 30, true);
//		animator.add(glWindow);
//		animator.start();
//		animator.pause();

		GL2 gl = drawable.getGL().getGL2();
		//背景を白く塗りつぶす.
		gl.glClearColor(1f, 1f, 1f, 1.0f);

		System.out.println("auto swap:" + drawable.getAutoSwapBufferMode());
		drawable.setAutoSwapBufferMode(false);
	}

Source File: KeystoneHelper.java From gama with GNU General Public License v3.0

5 votes

@SuppressWarnings ("restriction")
public void beginRenderToTexture() {
	final GL2 gl = getGL();
	gl.glClearColor(0, 0, 0, 1.0f);
	gl.glClear(GL2.GL_STENCIL_BUFFER_BIT | GL2.GL_COLOR_BUFFER_BIT | GL2.GL_DEPTH_BUFFER_BIT);
	if (fboScene == null) {
		fboScene = new FrameBufferObject(gl, getViewWidth(), getViewHeight());
	}
	// redirect the rendering to the fbo_scene (will be rendered later, as a texture)
	fboScene.bindFrameBuffer();

}

Source File: Tessellation.java From MeteoInfo with GNU Lesser General Public License v3.0

4 votes

public void display(GLAutoDrawable drawable) {
    GL2 gl = drawable.getGL().getGL2();

    gl.glClear(GL2.GL_COLOR_BUFFER_BIT);
    gl.glColor3f(1.0f, 1.0f, 1.0f);
    
    /*
 * jogl specific addition for tessellation
     */
    tessellCallBack tessCallback = new tessellCallBack(gl, glu);

    double rect[][] = new double[][]{ // [4][3] in C; reverse here
        {50.0, 50.0, 0.0},
        {200.0, 50.0, 0.0},
        {200.0, 200.0, 0.0},
        {50.0, 200.0, 0.0}};
    double tri[][] = new double[][]{// [3][3]
        {75.0, 75.0, 0.0},
        {125.0, 175.0, 0.0},
        {175.0, 75.0, 0.0}};
    double star[][] = new double[][]{// [5][6]; 6x5 in java
        {250.0, 50.0, 0.0, 1.0, 0.0, 1.0},
        {325.0, 200.0, 0.0, 1.0, 1.0, 0.0},
        {400.0, 50.0, 0.0, 0.0, 1.0, 1.0},
        {250.0, 150.0, 0.0, 1.0, 0.0, 0.0},
        {400.0, 150.0, 0.0, 0.0, 1.0, 0.0}};

    gl.glClearColor(0.0f, 0.0f, 0.0f, 0.0f);

    startList = gl.glGenLists(2);

    GLUtessellator tobj = glu.gluNewTess();

    glu.gluTessCallback(tobj, GLU.GLU_TESS_VERTEX, tessCallback);// glVertex3dv);
    glu.gluTessCallback(tobj, GLU.GLU_TESS_BEGIN, tessCallback);// beginCallback);
    glu.gluTessCallback(tobj, GLU.GLU_TESS_END, tessCallback);// endCallback);
    glu.gluTessCallback(tobj, GLU.GLU_TESS_ERROR, tessCallback);// errorCallback);

    /* rectangle with triangular hole inside */
    gl.glNewList(startList, GL2.GL_COMPILE);
    gl.glShadeModel(GL2.GL_FLAT);
    glu.gluTessBeginPolygon(tobj, null);
    glu.gluTessBeginContour(tobj);
    glu.gluTessVertex(tobj, rect[0], 0, rect[0]);
    glu.gluTessVertex(tobj, rect[1], 0, rect[1]);
    glu.gluTessVertex(tobj, rect[2], 0, rect[2]);
    glu.gluTessVertex(tobj, rect[3], 0, rect[3]);
    glu.gluTessEndContour(tobj);
    glu.gluTessBeginContour(tobj);
    glu.gluTessVertex(tobj, tri[0], 0, tri[0]);
    glu.gluTessVertex(tobj, tri[1], 0, tri[1]);
    glu.gluTessVertex(tobj, tri[2], 0, tri[2]);
    glu.gluTessEndContour(tobj);
    glu.gluTessEndPolygon(tobj);
    gl.glEndList();

    glu.gluTessCallback(tobj, GLU.GLU_TESS_VERTEX, tessCallback);// vertexCallback);
    glu.gluTessCallback(tobj, GLU.GLU_TESS_BEGIN, tessCallback);// beginCallback);
    glu.gluTessCallback(tobj, GLU.GLU_TESS_END, tessCallback);// endCallback);
    glu.gluTessCallback(tobj, GLU.GLU_TESS_ERROR, tessCallback);// errorCallback);
    glu.gluTessCallback(tobj, GLU.GLU_TESS_COMBINE, tessCallback);// combineCallback);

    /* smooth shaded, self-intersecting star */
    gl.glNewList(startList + 1, GL2.GL_COMPILE);
    gl.glShadeModel(GL2.GL_SMOOTH);
    glu.gluTessProperty(tobj, //
            GLU.GLU_TESS_WINDING_RULE, //
            GLU.GLU_TESS_WINDING_POSITIVE);
    glu.gluTessBeginPolygon(tobj, null);
    glu.gluTessBeginContour(tobj);
    glu.gluTessVertex(tobj, star[0], 0, star[0]);
    glu.gluTessVertex(tobj, star[1], 0, star[1]);
    glu.gluTessVertex(tobj, star[2], 0, star[2]);
    glu.gluTessVertex(tobj, star[3], 0, star[3]);
    glu.gluTessVertex(tobj, star[4], 0, star[4]);
    glu.gluTessEndContour(tobj);
    glu.gluTessEndPolygon(tobj);
    gl.glEndList();
    glu.gluDeleteTess(tobj);
    
    gl.glCallList(startList);
    gl.glCallList(startList + 1);
    gl.glFlush();
}

Source File: OpenGLGFXCMD.java From sagetv with Apache License 2.0

4 votes

private void initpbuffer()
{
  GL2 gl;
  System.out.println("initpbuffer");
  osdwidth=newosdwidth;
  osdheight=newosdheight;
  GLCapabilities caps = new GLCapabilities(null);
  caps.setHardwareAccelerated(true);
  caps.setDoubleBuffered(false);
  caps.setAlphaBits(8);
  caps.setRedBits(8);
  caps.setGreenBits(8);
  caps.setBlueBits(8);
  caps.setDepthBits(0);
  caps.setFBO(false);
  System.out.println("initpbuffer2");
  if (!GLDrawableFactory.getFactory(caps.getGLProfile()).canCreateGLPbuffer(null, caps.getGLProfile()))
  {
    throw new GLException("pbuffers unsupported");
  }
  if(pbuffer!=null) pbuffer.destroy();
  System.out.println("initpbuffer3");
  pbuffer = GLDrawableFactory.getFactory(caps.getGLProfile()).createOffscreenAutoDrawable(null,
      caps,
      null,
      osdwidth,
      osdheight
      );
  pbuffer.setContext(pbuffer.createContext(c.getContext()), true);
  //pbuffer.setContext(c.getContext(), false);
  System.out.println("initpbuffer4: pbuffers is null? " + (pbuffer==null));
  if(pbuffer.getContext().makeCurrent()==GLContext.CONTEXT_NOT_CURRENT)
  {
    System.out.println("Couldn't make pbuffer current?");
    return;
  }
  System.out.println("initpbuffer5");
  gl = pbuffer.getGL().getGL2();

  gl.glClearColor( 0.0f, 0.0f, 0.0f, 0.0f);

  gl.glClear( gl.GL_COLOR_BUFFER_BIT);

  gl.glViewport(0, 0, osdwidth, osdheight);
  gl.glMatrixMode(GLMatrixFunc.GL_PROJECTION);
  gl.glLoadIdentity();
  gl.glOrtho(0,osdwidth,0,osdheight,-1.0,1.0);
  gl.glMatrixMode(GLMatrixFunc.GL_MODELVIEW);
  gl.glLoadIdentity();

  // TODO: look into reusing same texture like OSX version...
  if(osdt!=null) gl.glDeleteTextures(1, osdt, 0);
  osdt = new int[1];
  byte img[] = new byte[osdwidth*osdheight*4];
  gl.glGenTextures(1, osdt, 0);
  gl.glEnable(gl.GL_TEXTURE_RECTANGLE);
  gl.glBindTexture(gl.GL_TEXTURE_RECTANGLE,osdt[0]);
  gl.glTexParameteri(gl.GL_TEXTURE_RECTANGLE, gl.GL_TEXTURE_MAG_FILTER, gl.GL_LINEAR);
  gl.glTexParameteri(gl.GL_TEXTURE_RECTANGLE, gl.GL_TEXTURE_MIN_FILTER, gl.GL_LINEAR);
  gl.glTexImage2D(gl.GL_TEXTURE_RECTANGLE, 0, 4, osdwidth, osdheight, 0,
      gl.GL_BGRA, bigendian ? gl.GL_UNSIGNED_INT_8_8_8_8_REV : gl.GL_UNSIGNED_BYTE, java.nio.ByteBuffer.wrap(img));

  gl.glEnable(gl.GL_TEXTURE_RECTANGLE);
  gl.glBindTexture(gl.GL_TEXTURE_RECTANGLE, osdt[0]);
  gl.glCopyTexSubImage2D(gl.GL_TEXTURE_RECTANGLE, 0, 0, 0, 0, 0, osdwidth, osdheight);
  gl.glDisable(gl.GL_TEXTURE_RECTANGLE);
  System.out.println("initpbuffer6");
  pbuffer.getContext().release();
  System.out.println("initpbuffer7");
}

Source File: Renderer.java From Ultraino with MIT License

3 votes

public void init(GL2 gl, int w, int h){

        Resources.init(gl, true);
        
        gl.glClearColor(0, 0, 0.0f, 1);
        //gl.glClearColor(1, 1, 1, 1);
        
        
        //set camera
        reshape(gl, w, h);
    }

Java Code Examples for com.jogamp.opengl.GL2#glClearColor()