protected void doPick(
      DrawContext dc, Iterable<? extends Renderable> renderables, java.awt.Point pickPoint) {
    this.pickSupport.clearPickList();
    this.pickSupport.beginPicking(dc);

    try {
      for (Renderable renderable : renderables) {
        // If the caller has specified their own Iterable,
        // then we cannot make any guarantees about its contents.
        if (renderable != null) {
          float[] inColor = new float[4];
          dc.getGL().glGetFloatv(GL.GL_CURRENT_COLOR, inColor, 0);
          java.awt.Color color = dc.getUniquePickColor();
          dc.getGL()
              .glColor3ub((byte) color.getRed(), (byte) color.getGreen(), (byte) color.getBlue());

          try {
            renderable.render(dc);
          } catch (Exception e) {
            String msg = Logging.getMessage("generic.ExceptionWhilePickingRenderable");
            Logging.logger().severe(msg);
            continue; // go on to next renderable
          }

          dc.getGL().glColor4fv(inColor, 0);

          if (renderable instanceof Locatable) {
            this.pickSupport.addPickableObject(
                color.getRGB(), renderable, ((Locatable) renderable).getPosition(), false);
          } else {
            this.pickSupport.addPickableObject(color.getRGB(), renderable);
          }
        }
      }

      this.pickSupport.resolvePick(dc, pickPoint, this);
    } finally {
      this.pickSupport.endPicking(dc);
    }
  }
예제 #2
0
 public static java.awt.Color getContrastingColor(java.awt.Color color) {
   float[] hsbvals = new float[3];
   java.awt.Color.RGBtoHSB(color.getRed(), color.getGreen(), color.getBlue(), hsbvals);
   java.awt.Color c = Color.getHSBColor(0, 0, (hsbvals[2] + 0.5f) % 1f);
   return new java.awt.Color(c.getRed(), c.getGreen(), c.getBlue(), color.getAlpha());
 }
예제 #3
0
  protected Vec4 drawIcon(DrawContext dc, OrderedIcon uIcon) {
    if (uIcon.point == null) {
      String msg = Logging.getMessage("nullValue.PointIsNull");
      Logging.logger().severe(msg);

      // Record feedback data for this WWIcon if feedback is enabled.
      if (uIcon.icon != null) this.recordFeedback(dc, uIcon.icon, null, null);

      return null;
    }

    WWIcon icon = uIcon.icon;
    if (dc.getView().getFrustumInModelCoordinates().getNear().distanceTo(uIcon.point) < 0) {
      // Record feedback data for this WWIcon if feedback is enabled.
      this.recordFeedback(dc, icon, uIcon.point, null);

      return null;
    }

    final Vec4 screenPoint = dc.getView().project(uIcon.point);
    if (screenPoint == null) {
      // Record feedback data for this WWIcon if feedback is enabled.
      this.recordFeedback(dc, icon, uIcon.point, null);

      return null;
    }

    double pedestalScale;
    double pedestalSpacing;
    if (this.pedestal != null) {
      pedestalScale = this.pedestal.getScale();
      pedestalSpacing = pedestal.getSpacingPixels();
    } else {
      pedestalScale = 0d;
      pedestalSpacing = 0d;
    }

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

    this.setDepthFunc(dc, uIcon, screenPoint);

    gl.glMatrixMode(GL2.GL_MODELVIEW);
    gl.glLoadIdentity();

    Dimension size = icon.getSize();
    double width = size != null ? size.getWidth() : icon.getImageTexture().getWidth(dc);
    double height = size != null ? size.getHeight() : icon.getImageTexture().getHeight(dc);
    gl.glTranslated(
        screenPoint.x - width / 2, screenPoint.y + (pedestalScale * height) + pedestalSpacing, 0d);

    if (icon.isHighlighted()) {
      double heightDelta = this.pedestal != null ? 0 : height / 2; // expand only above the pedestal
      gl.glTranslated(width / 2, heightDelta, 0);
      gl.glScaled(icon.getHighlightScale(), icon.getHighlightScale(), icon.getHighlightScale());
      gl.glTranslated(-width / 2, -heightDelta, 0);
    }

    Rectangle rect =
        new Rectangle(
            (int) (screenPoint.x - width / 2),
            (int) (screenPoint.y),
            (int) width,
            (int) (height + (pedestalScale * height) + pedestalSpacing));

    if (dc.isPickingMode()) {
      // If in picking mode and pick clipping is enabled, check to see if the icon is within the
      // pick volume.
      if (this.isPickFrustumClippingEnabled() && !dc.getPickFrustums().intersectsAny(rect)) {
        // Record feedback data for this WWIcon if feedback is enabled.
        this.recordFeedback(dc, icon, uIcon.point, rect);

        return screenPoint;
      } else {
        java.awt.Color color = dc.getUniquePickColor();
        int colorCode = color.getRGB();
        this.pickSupport.addPickableObject(colorCode, icon, uIcon.getPosition(), false);
        gl.glColor3ub((byte) color.getRed(), (byte) color.getGreen(), (byte) color.getBlue());
      }
    }

    if (icon.getBackgroundTexture() != null)
      this.applyBackground(dc, icon, screenPoint, width, height, pedestalSpacing, pedestalScale);

    if (icon.getImageTexture().bind(dc)) {
      TextureCoords texCoords = icon.getImageTexture().getTexCoords();
      gl.glScaled(width, height, 1d);
      dc.drawUnitQuad(texCoords);
    }

    if (this.pedestal != null && this.pedestal.getImageTexture() != null) {
      gl.glLoadIdentity();
      gl.glTranslated(screenPoint.x - (pedestalScale * (width / 2)), screenPoint.y, 0d);
      gl.glScaled(width * pedestalScale, height * pedestalScale, 1d);

      if (this.pedestal.getImageTexture().bind(dc)) {
        TextureCoords texCoords = this.pedestal.getImageTexture().getTexCoords();
        dc.drawUnitQuad(texCoords);
      }
    }

    // Record feedback data for this WWIcon if feedback is enabled.
    this.recordFeedback(dc, icon, uIcon.point, rect);

    return screenPoint;
  }