/**
  * Writes the <code>shape</code>, <code>coords</code>, <code>href</code>,
  * <code>nohref</code> Attribute for the specified figure and shape.
  *
  * @return Returns true, if the polygon is inside of the image bounds.
  */
 private boolean writePolyAttributes(IXMLElement elem, SVGFigure f, Shape shape) {
     AffineTransform t = TRANSFORM.getClone(f);
     if (t == null) {
         t = drawingTransform;
     } else {
         t.preConcatenate(drawingTransform);
     }
     
     StringBuilder buf = new StringBuilder();
     float[] coords = new float[6];
     GeneralPath path = new GeneralPath();
     for (PathIterator i = shape.getPathIterator(t, 1.5f);
     ! i.isDone(); i.next()) {
         switch (i.currentSegment(coords)) {
             case PathIterator.SEG_MOVETO :
                 if (buf.length() != 0) {
                     throw new IllegalArgumentException("Illegal shape "+shape);
                 }
                 if (buf.length() != 0) {
                     buf.append(',');
                 }
                 buf.append((int) coords[0]);
                 buf.append(',');
                 buf.append((int) coords[1]);
                 path.moveTo(coords[0], coords[1]);
                 break;
             case PathIterator.SEG_LINETO :
                 if (buf.length() != 0) {
                     buf.append(',');
                 }
                 buf.append((int) coords[0]);
                 buf.append(',');
                 buf.append((int) coords[1]);
                 path.lineTo(coords[0], coords[1]);
                 break;
             case PathIterator.SEG_CLOSE :
                 path.closePath();
                 break;
             default :
                 throw new InternalError("Illegal segment type "+i.currentSegment(coords));
         }
     }
     elem.setAttribute("shape", "poly");
     elem.setAttribute("coords", buf.toString());
     writeHrefAttribute(elem, f);
     return path.intersects(new Rectangle2D.Float(bounds.x, bounds.y, bounds.width, bounds.height));
 }
Exemple #2
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  /**
   * Build a shape for the entire subtree by joining together the shapes for each of its edges.
   * Vertices included since needed for FullTextPanel.
   */
  public Shape constructInternalShape(DiagramBase diagram, boolean includeVertices) {
    GeneralPath shape = new GeneralPath();
    Enumeration edges = m_edgeList.elements();
    while (edges.hasMoreElements()) {
      TreeEdge edge = (TreeEdge) edges.nextElement();
      Shape edgeShape = edge.getSchemeShape(diagram);
      PathIterator path = edgeShape.getPathIterator(null);
      shape.append(path, false);

      if (includeVertices) {
        Shape vertexShape;
        if (!edge.getSourceVertex().isVirtual()) {
          vertexShape = edge.getSourceVertex().getShape(diagram);
          path = vertexShape.getPathIterator(null);
          shape.append(path, false);
        }
        if (!edge.getDestVertex().isVirtual()) {
          vertexShape = edge.getDestVertex().getShape(diagram);
          path = vertexShape.getPathIterator(null);
          shape.append(path, false);
        }
      }
    }
    BasicStroke stroke =
        new BasicStroke(
            diagram.getSubtreeLineWidth() - DiagramBase.EDGE_OUTLINE_WIDTH + 1,
            BasicStroke.CAP_ROUND,
            BasicStroke.JOIN_MITER);
    internalShapeTable.put(diagram, stroke.createStrokedShape(shape));
    return (Shape) internalShapeTable.get(diagram);
  }
Exemple #3
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  /**
   * This implementation calls <code>super.hitTest</code> and returns the result if non-null (this
   * should be a HitInfo.Point), then returns a HitInfo.Interior if the mouse-click occured inside
   * the text bound (as defined by text layout)
   *
   * @return a HitInfo corresponding to the given mouse-event
   */
  public HitInfo hitTest(PEMouseEvent e) {

    // from Bitmap:
    if (image != null) {
      if (getBounds().contains(e.getPicPoint())) {
        return new HitInfo.Interior((PicText) element, e);
      }
      return null;
    }

    // from TextLayout:
    if (!getBounds().contains(e.getPicPoint())) return null;

    PicText te = (PicText) element;
    // recompute textlayout b-box, but store it in a temporary field !
    Rectangle2D tb = textLayout.getBounds();
    Shape text_bounds = text2ModelTr.createTransformedShape(tb);
    if (text_bounds.contains(e.getPicPoint())) {
      // [SR:pending] for the hitInfo to be reliable, getPicPoint() should first be transformed by
      //              inverse text2ModelTr ! (especially when rotationAngle != 0)
      TextHitInfo thi =
          textLayout.hitTestChar(
              (float) (e.getPicPoint().x - strx),
              (float) (e.getPicPoint().y - stry)); // guaranteed to return a non-null thi
      return new HitInfo.Text((PicText) element, thi, e);
    }
    // test hit on textlayout's bounding rectangle :
    // else if (bounds.contains(e.getPicPoint())) return new HitInfo.Interior(element,e);
    return null;
  }
 public boolean contains(int x, int y) {
   // If the button has changed size,
   // make a new shape object.
   if (shape == null || !shape.getBounds().equals(getBounds())) {
     shape = new Ellipse2D.Float(0, 0, getWidth(), getHeight());
   }
   return shape.contains(x, y);
 }
Exemple #5
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 /**
  * Constructs a ShapeIcon.
  *
  * @param shape the shape to draw
  * @param decoration a decorating shape to draw
  * @param width width of the icon
  * @param height height of the icon
  */
 public ShapeIcon(Shape shape, Shape decoration, int width, int height) {
   w = width;
   h = height;
   this.shape = shape;
   this.decoration = decoration;
   Rectangle rect = shape == null ? new Rectangle() : shape.getBounds();
   if (decoration != null) rect = rect.union(decoration.getBounds());
   offsetX = w / 2 - rect.width / 2 - rect.x;
   offsetY = h / 2 - rect.height / 2 - rect.y;
 }
 /**
  * @see prefuse.render.Renderer#locatePoint(java.awt.geom.Point2D, prefuse.visual.VisualItem)
  */
 @Override
 public boolean locatePoint(Point2D p, VisualItem item) {
   Shape s = getShape(item);
   if (s == null) {
     return false;
   } else if (s == m_box && m_box.contains(p)) {
     return true;
   } else {
     double width = Math.max(2, item.getSize());
     double halfWidth = width / 2.0;
     return s.intersects(p.getX() - halfWidth, p.getY() - halfWidth, width, width);
   }
 }
Exemple #7
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 public void paint(Graphics2D g2d) {
   Point p = getLocation();
   if (p != null) {
     g2d = (Graphics2D) g2d.create();
     g2d.setColor(Color.BLUE);
     Shape shape = getShape();
     int x = (int) p.x - (shape.getBounds().width / 2);
     int y = (int) p.y - (shape.getBounds().height / 2);
     g2d.translate(x, y);
     g2d.fill(shape);
     g2d.dispose();
   }
 }
 private Paint decodeGradient10(Shape s) {
   Rectangle2D bounds = s.getBounds2D();
   float x = (float) bounds.getX();
   float y = (float) bounds.getY();
   float w = (float) bounds.getWidth();
   float h = (float) bounds.getHeight();
   return decodeGradient(
       (0.5f * w) + x,
       (0.0f * h) + y,
       (0.5f * w) + x,
       (1.0f * h) + y,
       new float[] {0.0f, 0.024f, 0.06f, 0.276f, 0.6f, 0.65f, 0.7f, 0.856f, 0.96f, 0.98f, 1.0f},
       new Color[] {
         (Color) componentColors[0],
         decodeColor((Color) componentColors[0], (Color) componentColors[1], 0.5f),
         (Color) componentColors[1],
         decodeColor((Color) componentColors[1], (Color) componentColors[2], 0.5f),
         (Color) componentColors[2],
         decodeColor((Color) componentColors[2], (Color) componentColors[2], 0.5f),
         (Color) componentColors[2],
         decodeColor((Color) componentColors[2], (Color) componentColors[3], 0.5f),
         (Color) componentColors[3],
         decodeColor((Color) componentColors[3], (Color) componentColors[3], 0.5f),
         (Color) componentColors[3]
       });
 }
 private Paint decodeGradient6(Shape s) {
   Rectangle2D bounds = s.getBounds2D();
   float x = (float) bounds.getX();
   float y = (float) bounds.getY();
   float w = (float) bounds.getWidth();
   float h = (float) bounds.getHeight();
   return decodeGradient(
       (0.5f * w) + x,
       (0.0f * h) + y,
       (0.5f * w) + x,
       (1.0f * h) + y,
       new float[] {0.0f, 0.03f, 0.06f, 0.33f, 0.6f, 0.65f, 0.7f, 0.825f, 0.95f, 0.975f, 1.0f},
       new Color[] {
         color28,
         decodeColor(color28, color29, 0.5f),
         color29,
         decodeColor(color29, color30, 0.5f),
         color30,
         decodeColor(color30, color30, 0.5f),
         color30,
         decodeColor(color30, color31, 0.5f),
         color31,
         decodeColor(color31, color32, 0.5f),
         color32
       });
 }
Exemple #10
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 /** Build a shape for the entire subtree by joining together the shapes for each of its edges. */
 public Shape constructShape(DiagramBase diagram) {
   GeneralPath shape = new GeneralPath();
   Enumeration edges = m_edgeList.elements();
   while (edges.hasMoreElements()) {
     TreeEdge edge = (TreeEdge) edges.nextElement();
     if (!edge.visible) {
       continue;
     }
     Shape edgeShape = edge.getSchemeShape(diagram);
     PathIterator path = edgeShape.getPathIterator(null);
     shape.append(path, false);
   }
   BasicStroke stroke =
       new BasicStroke(
           diagram.getSubtreeLineWidth(), BasicStroke.CAP_ROUND, BasicStroke.JOIN_MITER);
   shapeTable.put(diagram, stroke.createStrokedShape(shape));
   return (Shape) shapeTable.get(diagram);
 }
Exemple #11
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 public Shape modelToView(int pos, Shape a, Position.Bias b) throws BadLocationException {
   int p0 = getStartOffset();
   int p1 = getEndOffset();
   if ((pos >= p0) && (pos <= p1)) {
     Rectangle r = a.getBounds();
     if (pos == p1) {
       r.x += r.width;
     }
     r.width = 0;
     return r;
   }
   throw new BadLocationException(pos + " not in range " + p0 + "," + p1, pos);
 }
 private Paint decodeGradient10(Shape s) {
   Rectangle2D bounds = s.getBounds2D();
   float x = (float) bounds.getX();
   float y = (float) bounds.getY();
   float w = (float) bounds.getWidth();
   float h = (float) bounds.getHeight();
   return decodeGradient(
       (0.24868421f * w) + x,
       (0.0014705883f * h) + y,
       (0.24868421f * w) + x,
       (1.0f * h) + y,
       new float[] {0.0f, 0.5f, 1.0f},
       new Color[] {color48, decodeColor(color48, color49, 0.5f), color49});
 }
 private Paint decodeGradient2(Shape s) {
   Rectangle2D bounds = s.getBounds2D();
   float x = (float) bounds.getX();
   float y = (float) bounds.getY();
   float w = (float) bounds.getWidth();
   float h = (float) bounds.getHeight();
   return decodeGradient(
       (0.25f * w) + x,
       (0.0f * h) + y,
       (0.25441176f * w) + x,
       (1.0016667f * h) + y,
       new float[] {0.0f, 0.5f, 1.0f},
       new Color[] {color3, decodeColor(color3, color2, 0.5f), color2});
 }
 private Paint decodeGradient13(Shape s) {
   Rectangle2D bounds = s.getBounds2D();
   float x = (float) bounds.getX();
   float y = (float) bounds.getY();
   float w = (float) bounds.getWidth();
   float h = (float) bounds.getHeight();
   return decodeGradient(
       (0.5f * w) + x,
       (0.0f * h) + y,
       (0.5f * w) + x,
       (1.0f * h) + y,
       new float[] {0.26047903f, 0.6302395f, 1.0f},
       new Color[] {color62, decodeColor(color62, color63, 0.5f), color63});
 }
 private Paint decodeGradient4(Shape s) {
   Rectangle2D bounds = s.getBounds2D();
   float x = (float) bounds.getX();
   float y = (float) bounds.getY();
   float w = (float) bounds.getWidth();
   float h = (float) bounds.getHeight();
   return decodeGradient(
       (0.5f * w) + x,
       (0.0f * h) + y,
       (0.5f * w) + x,
       (1.0f * h) + y,
       new float[] {0.0f, 0.1684492f, 1.0f},
       new Color[] {color10, decodeColor(color10, color11, 0.5f), color11});
 }
 private Paint decodeGradient3(Shape s) {
   Rectangle2D bounds = s.getBounds2D();
   float x = (float) bounds.getX();
   float y = (float) bounds.getY();
   float w = (float) bounds.getWidth();
   float h = (float) bounds.getHeight();
   return decodeGradient(
       (0.5f * w) + x,
       (0.0f * h) + y,
       (0.5f * w) + x,
       (1.0f * h) + y,
       new float[] {0.0f, 0.49573863f, 0.99147725f},
       new Color[] {color8, decodeColor(color8, color9, 0.5f), color9});
 }
 private Paint decodeGradient5(Shape s) {
   Rectangle2D bounds = s.getBounds2D();
   float x = (float) bounds.getX();
   float y = (float) bounds.getY();
   float w = (float) bounds.getWidth();
   float h = (float) bounds.getHeight();
   return decodeGradient(
       (0.5f * w) + x,
       (0.0f * h) + y,
       (0.5f * w) + x,
       (1.0f * h) + y,
       new float[] {0.1f, 0.49999997f, 0.9f},
       new Color[] {color7, decodeColor(color7, color8, 0.5f), color8});
 }
 private Paint decodeGradient9(Shape s) {
   Rectangle2D bounds = s.getBounds2D();
   float x = (float) bounds.getX();
   float y = (float) bounds.getY();
   float w = (float) bounds.getWidth();
   float h = (float) bounds.getHeight();
   return decodeGradient(
       (0.5f * w) + x,
       (0.0f * h) + y,
       (0.5f * w) + x,
       (1.0f * h) + y,
       new float[] {0.09f, 0.52f, 0.95f},
       new Color[] {color39, decodeColor(color39, color40, 0.5f), color40});
 }
Exemple #19
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 public void paint(Graphics g, Shape a) {
   Graphics2D g2 = (Graphics2D) g;
   Rectangle2D abounds = a.getBounds2D();
   AffineTransform saveTransform = g2.getTransform();
   Paint savePaint = g2.getPaint();
   try {
     g2.translate(abounds.getX() - bounds.getX(), abounds.getY() - bounds.getY());
     g2.setPaint(Color.BLACK); // FIXME
     p.paint(g2);
   } finally {
     g2.setTransform(saveTransform);
     g2.setPaint(savePaint);
   }
 }
Exemple #20
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 /** Build a shape for the entire subtree by joining together the shapes for each of its edges. */
 public Shape constructFullTextShape(DiagramBase diagram) {
   GeneralPath shape = new GeneralPath();
   Enumeration edges = m_edgeList.elements();
   while (edges.hasMoreElements()) {
     TreeEdge edge = (TreeEdge) edges.nextElement();
     if (!edge.visible) {
       continue;
     }
     Shape edgeShape = edge.getSchemeShape(diagram);
     PathIterator path = edgeShape.getPathIterator(null);
     shape.append(path, false);
     TreeVertex vertex = edge.getSourceVertex();
     if (!vertex.isVirtual()) {
       shape.append(vertex.getShape(diagram).getPathIterator(null), false);
     }
     vertex = edge.getDestVertex();
     if (!vertex.isVirtual()) {
       shape.append(vertex.getShape(diagram).getPathIterator(null), false);
     }
   }
   BasicStroke stroke = new BasicStroke(20, BasicStroke.CAP_ROUND, BasicStroke.JOIN_MITER);
   shapeTable.put(diagram, stroke.createStrokedShape(shape));
   return (Shape) shapeTable.get(diagram);
 }
 /*
  * Creates a line of width EDGE_SELECT_WIDTH for each edge
  * and tests if mouse click was in that Shape's boundary.
  * Returns the edge if one was selected, null otherwise.
  */
 public TreeEdge testEdgeShapes(MouseEvent event) {
   if (argument == null || argument.getTree() == null) return null;
   double x = event.getX();
   double y = event.getY();
   BasicStroke edgeWidth = new BasicStroke(EDGE_SELECT_WIDTH);
   if (argument.getBreadthFirstTraversal() == null) return null;
   Enumeration nodeList = argument.getBreadthFirstTraversal().elements();
   while (nodeList.hasMoreElements()) {
     TreeVertex vertex = (TreeVertex) nodeList.nextElement();
     if (argument.isMultiRoots() && vertex.getLayer() == 0) continue;
     Enumeration edges = vertex.getEdgeList().elements();
     while (edges.hasMoreElements()) {
       TreeEdge edge = (TreeEdge) edges.nextElement();
       Shape shape = edge.getShape(this);
       Shape wideEdge = edgeWidth.createStrokedShape(shape);
       TreeVertex child = edge.getDestVertex();
       if (wideEdge.contains(x, y)) {
         edge.setSelected(!edge.isSelected());
         return edge;
       }
     }
   }
   return null;
 }
 private Paint decodeGradient4(Shape s) {
   Rectangle2D bounds = s.getBounds2D();
   float x = (float) bounds.getX();
   float y = (float) bounds.getY();
   float w = (float) bounds.getWidth();
   float h = (float) bounds.getHeight();
   return decodeGradient(
       (0.5f * w) + x,
       (0.0f * h) + y,
       (0.5f * w) + x,
       (1.0f * h) + y,
       new float[] {0.1f, 0.49999997f, 0.9f},
       new Color[] {
         (Color) componentColors[0],
         decodeColor((Color) componentColors[0], (Color) componentColors[1], 0.5f),
         (Color) componentColors[1]
       });
 }
 private Paint decodeGradient15(Shape s) {
   Rectangle2D bounds = s.getBounds2D();
   float x = (float) bounds.getX();
   float y = (float) bounds.getY();
   float w = (float) bounds.getWidth();
   float h = (float) bounds.getHeight();
   return decodeGradient(
       (0.25f * w) + x,
       (0.0f * h) + y,
       (0.25441176f * w) + x,
       (1.0016667f * h) + y,
       new float[] {0.0f, 0.26988637f, 0.53977275f, 0.66659296f, 0.79341316f, 0.8967066f, 1.0f},
       new Color[] {
         color37,
         decodeColor(color37, color38, 0.5f),
         color38,
         decodeColor(color38, color39, 0.5f),
         color39,
         decodeColor(color39, color70, 0.5f),
         color70
       });
 }
 private Paint decodeGradient12(Shape s) {
   Rectangle2D bounds = s.getBounds2D();
   float x = (float) bounds.getX();
   float y = (float) bounds.getY();
   float w = (float) bounds.getWidth();
   float h = (float) bounds.getHeight();
   return decodeGradient(
       (0.25f * w) + x,
       (0.0f * h) + y,
       (0.25441176f * w) + x,
       (1.0016667f * h) + y,
       new float[] {0.0f, 0.26988637f, 0.53977275f, 0.6082097f, 0.6766467f, 0.83832335f, 1.0f},
       new Color[] {
         color3,
         decodeColor(color3, color59, 0.5f),
         color59,
         decodeColor(color59, color60, 0.5f),
         color60,
         decodeColor(color60, color2, 0.5f),
         color2
       });
 }
 private Paint decodeGradient16(Shape s) {
   Rectangle2D bounds = s.getBounds2D();
   float x = (float) bounds.getX();
   float y = (float) bounds.getY();
   float w = (float) bounds.getWidth();
   float h = (float) bounds.getHeight();
   return decodeGradient(
       (0.25f * w) + x,
       (0.0f * h) + y,
       (0.25441176f * w) + x,
       (1.0016667f * h) + y,
       new float[] {0.0f, 0.26988637f, 0.53977275f, 0.6291678f, 0.7185629f, 0.8592814f, 1.0f},
       new Color[] {
         color50,
         decodeColor(color50, color52, 0.5f),
         color52,
         decodeColor(color52, color52, 0.5f),
         color52,
         decodeColor(color52, color53, 0.5f),
         color53
       });
 }
 private Paint decodeGradient9(Shape s) {
   Rectangle2D bounds = s.getBounds2D();
   float x = (float) bounds.getX();
   float y = (float) bounds.getY();
   float w = (float) bounds.getWidth();
   float h = (float) bounds.getHeight();
   return decodeGradient(
       (0.25f * w) + x,
       (0.0f * h) + y,
       (0.25441176f * w) + x,
       (1.0016667f * h) + y,
       new float[] {0.0f, 0.26988637f, 0.53977275f, 0.5951705f, 0.6505682f, 0.8252841f, 1.0f},
       new Color[] {
         color37,
         decodeColor(color37, color38, 0.5f),
         color38,
         decodeColor(color38, color39, 0.5f),
         color39,
         decodeColor(color39, color18, 0.5f),
         color18
       });
 }
Exemple #27
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  @Override
  public void paintIcon(Component c, Graphics g, int x, int y) {
    Graphics2D g2 = (Graphics2D) g.create();
    g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    g2.translate(x, y);

    g2.setStroke(new BasicStroke(BORDER_WIDTH));
    g2.setPaint(LINE_COLOR);
    g2.draw(BORDER);

    g2.setStroke(new BasicStroke(SLIT_WIDTH));
    g2.setColor(UIManager.getColor("Panel.background"));

    int n = SLIT_NUM + 1;
    int v = ICON_SIZE / n;
    int m = n * v;
    for (int i = 1; i < n; i++) {
      int a = i * v;
      g2.drawLine(a, 0, a, m);
      g2.drawLine(0, a, m, a);
    }

    // g2.drawLine(1 * v, 0 * v, 1 * v, 4 * v);
    // g2.drawLine(2 * v, 0 * v, 2 * v, 4 * v);
    // g2.drawLine(3 * v, 0 * v, 3 * v, 4 * v);
    // g2.drawLine(0 * v, 1 * v, 4 * v, 1 * v);
    // g2.drawLine(0 * v, 2 * v, 4 * v, 2 * v);
    // g2.drawLine(0 * v, 3 * v, 4 * v, 3 * v);

    g2.setPaint(LINE_COLOR);
    Rectangle2D b = ARROW.getBounds();
    Point2D p = new Point2D.Double(b.getX() + b.getWidth() / 2d, b.getY() + b.getHeight() / 2d);
    AffineTransform toCenterAT =
        AffineTransform.getTranslateInstance(ICON_SIZE / 2d - p.getX(), ICON_SIZE / 2d - p.getY());
    g2.fill(toCenterAT.createTransformedShape(ARROW));
    g2.dispose();
  }
 @Override
 public int getIconHeight() {
   return star.getBounds().height;
 }
Exemple #29
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  protected int convertPathData(Shape s, AffineTransform at) {
    PathIterator pi = s.getPathIterator(at);

    double[] coords = new double[6];
    double currX = 0;
    double currY = 0;

    while (!pi.isDone()) {
      int curOp = pi.currentSegment(coords);

      int pointIndex;
      switch (curOp) {
        case PathIterator.SEG_MOVETO:
          ops.addByte(CAIRO_PATH_OP_MOVE_TO);
          pointIndex = points.getNextIndex();
          points.setX(pointIndex, DoubleToCairoFixed(coords[0]));
          points.setY(pointIndex, DoubleToCairoFixed(coords[1]));
          currX = coords[0];
          currY = coords[1];
          break;

        case PathIterator.SEG_LINETO:
          ops.addByte(CAIRO_PATH_OP_LINE_TO);
          pointIndex = points.getNextIndex();
          points.setX(pointIndex, DoubleToCairoFixed(coords[0]));
          points.setY(pointIndex, DoubleToCairoFixed(coords[1]));
          currX = coords[0];
          currY = coords[1];
          break;

          /** q0 = p0 q1 = (p0+2*p1)/3 q2 = (p2+2*p1)/3 q3 = p2 */
        case PathIterator.SEG_QUADTO:
          double x1 = coords[0];
          double y1 = coords[1];
          double x2, y2;
          double x3 = coords[2];
          double y3 = coords[3];

          x2 = x1 + (x3 - x1) / 3;
          y2 = y1 + (y3 - y1) / 3;
          x1 = currX + 2 * (x1 - currX) / 3;
          y1 = currY + 2 * (y1 - currY) / 3;

          ops.addByte(CAIRO_PATH_OP_CURVE_TO);
          pointIndex = points.getNextIndex();
          points.setX(pointIndex, DoubleToCairoFixed(x1));
          points.setY(pointIndex, DoubleToCairoFixed(y1));
          pointIndex = points.getNextIndex();
          points.setX(pointIndex, DoubleToCairoFixed(x2));
          points.setY(pointIndex, DoubleToCairoFixed(y2));
          pointIndex = points.getNextIndex();
          points.setX(pointIndex, DoubleToCairoFixed(x3));
          points.setY(pointIndex, DoubleToCairoFixed(y3));
          currX = x3;
          currY = y3;
          break;

        case PathIterator.SEG_CUBICTO:
          ops.addByte(CAIRO_PATH_OP_CURVE_TO);
          pointIndex = points.getNextIndex();
          points.setX(pointIndex, DoubleToCairoFixed(coords[0]));
          points.setY(pointIndex, DoubleToCairoFixed(coords[1]));
          pointIndex = points.getNextIndex();
          points.setX(pointIndex, DoubleToCairoFixed(coords[2]));
          points.setY(pointIndex, DoubleToCairoFixed(coords[3]));
          pointIndex = points.getNextIndex();
          points.setX(pointIndex, DoubleToCairoFixed(coords[4]));
          points.setY(pointIndex, DoubleToCairoFixed(coords[5]));
          currX = coords[4];
          currY = coords[5];
          break;

        case PathIterator.SEG_CLOSE:
          ops.addByte(CAIRO_PATH_OP_CLOSE_PATH);
          break;
      }

      pi.next();
    }

    return pi.getWindingRule();
  }
Exemple #30
0
    public Shape createStrokedShape(Shape shape) {
      GeneralPath result = new GeneralPath();
      PathIterator it = new FlatteningPathIterator(shape.getPathIterator(null), FLATNESS);
      float points[] = new float[6];
      float moveX = 0, moveY = 0;
      float lastX = 0, lastY = 0;
      float thisX = 0, thisY = 0;
      int type = 0;
      boolean first = false;
      float next = 0;
      int phase = 0;

      float factor = 1;

      while (!it.isDone()) {
        type = it.currentSegment(points);
        switch (type) {
          case PathIterator.SEG_MOVETO:
            moveX = lastX = points[0];
            moveY = lastY = points[1];
            result.moveTo(moveX, moveY);
            first = true;
            next = wavelength / 2;
            break;

          case PathIterator.SEG_CLOSE:
            points[0] = moveX;
            points[1] = moveY;
            // Fall into....

          case PathIterator.SEG_LINETO:
            thisX = points[0];
            thisY = points[1];
            float dx = thisX - lastX;
            float dy = thisY - lastY;
            float distance = (float) Math.sqrt(dx * dx + dy * dy);
            if (distance >= next) {
              float r = 1.0f / distance;
              float angle = (float) Math.atan2(dy, dx);
              while (distance >= next) {
                float x = lastX + next * dx * r;
                float y = lastY + next * dy * r;
                float tx = amplitude * dy * r;
                float ty = amplitude * dx * r;
                if ((phase & 1) == 0) result.lineTo(x + amplitude * dy * r, y - amplitude * dx * r);
                else result.lineTo(x - amplitude * dy * r, y + amplitude * dx * r);
                next += wavelength;
                phase++;
              }
            }
            next -= distance;
            first = false;
            lastX = thisX;
            lastY = thisY;
            if (type == PathIterator.SEG_CLOSE) result.closePath();
            break;
        }
        it.next();
      }

      // return stroke.createStrokedShape( result );
      return result;
    }