Beispiel #1
0
 public void reshape(GLAutoDrawable drawable, int x, int y, int w, int h) {
   GL2 gl = drawable.getGL().getGL2();
   //
   gl.glViewport(0, 0, w, h);
   gl.glMatrixMode(GL2.GL_PROJECTION);
   gl.glLoadIdentity();
   if (w <= (h * 3))
     gl.glOrtho(
         -6.0,
         6.0,
         -2.0 * ((float) h * 3) / (float) w,
         2.0 * ((float) h * 3) / (float) w,
         0.0,
         10.0);
   else
     gl.glOrtho(
         -6.0 * (float) w / ((float) h * 3), //
         6.0 * (float) w / ((float) h * 3),
         -2.0,
         2.0,
         0.0,
         10.0);
   gl.glMatrixMode(GL2.GL_MODELVIEW);
   gl.glLoadIdentity();
 }
Beispiel #2
0
 public void reshape(GLAutoDrawable drawable, int x, int y, int w, int h) {
   GL2 gl = drawable.getGL().getGL2();
   //
   gl.glViewport(0, 0, w, h);
   gl.glMatrixMode(GL2.GL_PROJECTION);
   gl.glLoadIdentity();
   if (w <= h)
     gl.glOrtho(-2.5, 2.5, -2.5 * (float) h / (float) w, 2.5 * (float) h / (float) w, -10.0, 10.0);
   else
     gl.glOrtho(-2.5 * (float) w / (float) h, 2.5 * (float) w / (float) h, -2.5, 2.5, -10.0, 10.0);
   gl.glMatrixMode(GL2.GL_MODELVIEW);
 }
  protected void beginRendering(DrawContext dc, OGLStackHandler stackHandler) {
    if (dc == null) {
      String message = Logging.getMessage("nullValue.DrawContextIsNull");
      Logging.logger().fine(message);
      throw new IllegalArgumentException(message);
    }

    GL2 gl = dc.getGL().getGL2(); // GL initialization checks for GL2 compatibility.

    int attribMask =
        GL2.GL_COLOR_BUFFER_BIT // for alpha test func and ref, blend func
            | GL2.GL_CURRENT_BIT // for current color
            | GL2.GL_ENABLE_BIT // for enable/disable
            | GL2.GL_LINE_BIT // for line width
            | GL2.GL_TRANSFORM_BIT; // for matrix mode
    stackHandler.pushAttrib(gl, attribMask);

    stackHandler.pushTextureIdentity(gl);
    stackHandler.pushProjectionIdentity(gl);
    java.awt.Rectangle viewport = dc.getView().getViewport();
    gl.glOrtho(
        viewport.x, viewport.x + viewport.width, viewport.y, viewport.y + viewport.height, -1, 1);
    stackHandler.pushModelviewIdentity(gl);

    // Enable the alpha test.
    gl.glEnable(GL2.GL_ALPHA_TEST);
    gl.glAlphaFunc(GL2.GL_GREATER, 0.0f);

    // Enable blending in premultiplied color mode.
    gl.glEnable(GL.GL_BLEND);
    OGLUtil.applyBlending(gl, true);

    gl.glDisable(GL.GL_CULL_FACE);
    gl.glDisable(GL.GL_DEPTH_TEST);
    gl.glDisable(GL2.GL_LIGHTING);
    gl.glDisable(GL.GL_TEXTURE_2D);
  }