Esempio n. 1
1
 /**
  * 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));
 }
Esempio n. 2
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  @Override
  public void keyPressed(KeyEvent evt) {
    Figure f = getOwner();
    if (f.isTransformable()) {
      AffineTransform tx = new AffineTransform();

      switch (evt.getKeyCode()) {
        case KeyEvent.VK_UP:
          tx.translate(0, -1);
          evt.consume();
          break;
        case KeyEvent.VK_DOWN:
          tx.translate(0, +1);
          evt.consume();
          break;
        case KeyEvent.VK_LEFT:
          tx.translate(-1, 0);
          evt.consume();
          break;
        case KeyEvent.VK_RIGHT:
          tx.translate(+1, 0);
          evt.consume();
          break;
      }
      f.willChange();
      f.transform(tx);
      f.changed();
      fireUndoableEditHappened(new TransformEdit(f, tx));
    }
  }
Esempio n. 3
0
  /**
   * Code to paint the WhiteboardShapeRect.
   *
   * @param g graphics context
   * @param t 2D affine transformation
   */
  public void paintShape(Graphics2D g, AffineTransform t) {
    double x = point.getX();
    double y = point.getY();

    g.setStroke(new BasicStroke(this.getThickness(), BasicStroke.CAP_ROUND, BasicStroke.CAP_ROUND));

    Point2D w0 = new Point2D.Double(x, y);
    Point2D v0 = t.transform(w0, null);

    int x0 = (int) v0.getX();
    int y0 = (int) v0.getY();

    Point2D w1 = new Point2D.Double(x + width, y + height);
    Point2D v1 = t.transform(w1, null);

    int xWidth = (int) v1.getX() - x0;
    int yHeight = (int) v1.getY() - y0;

    g.setColor(Color.getColor("", this.getColor()));
    if (fill) {
      g.fillRect(x0, y0, xWidth, yHeight);
    } else {
      g.drawRect(x0, y0, xWidth, yHeight);
    }
  }
Esempio n. 4
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  /**
   * WhiteboardShapeRect constructor.
   *
   * @param id String that uniquely identifies this WhiteboardShapeRect
   * @param thickness number of pixels that this object (or its border) should be thick
   * @param color WhiteboardShapeRect's color (or rather it's border)
   * @param point coordinates of this object.
   * @param width width value of this object (in pixel)
   * @param height height value of this object (in pixel)
   * @param fill True is filled, false is unfilled
   * @param transform 2D affine transformation
   */
  public WhiteboardShapeRect(
      String id,
      int thickness,
      Color color,
      WhiteboardPoint point,
      double width,
      double height,
      boolean fill,
      AffineTransform transform) {
    super(id);

    Point2D v0 = new Point2D.Double(point.getX(), point.getY());
    Point2D w0 = transform.transform(v0, null);

    double x = w0.getX();
    double y = w0.getY();

    point.setX(x);
    point.setY(y);

    Point2D v1 = new Point2D.Double(x + width, y + height);
    Point2D w1 = transform.transform(v1, null);

    double transformedWidth = w1.getX() - x;
    double transformedHeight = w1.getY() - y;

    this.initShape(thickness, color, point, transformedWidth, transformedHeight, fill);
  }
Esempio n. 5
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 @Override
 public void trackEnd(Point anchor, Point lead, int modifiersEx) {
   if (getOwner().isTransformable()) {
     AffineTransform tx = new AffineTransform();
     tx.translate(lead.x - anchor.x, lead.y - anchor.y);
     fireUndoableEditHappened(new TransformEdit(getOwner(), tx));
   }
 }
Esempio n. 6
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 public void drawScaledImage(BufferedImage im, int x, int y, int w, int h) {
   float scaleX = w * 1.0f / im.getWidth();
   float scaleY = h * 1.0f / im.getHeight();
   AffineTransform tx = new AffineTransform();
   tx.scale(scaleX, scaleY);
   BufferedImageOp op = new AffineTransformOp(tx, AffineTransformOp.TYPE_BILINEAR);
   drawImage(im, op, x, y);
 }
Esempio n. 7
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  /**
   * Gets the mark for the specified panel.
   *
   * @param trackerPanel the tracker panel
   * @return the mark
   */
  protected Mark getMark(TrackerPanel trackerPanel) {
    Mark mark = marks.get(trackerPanel);
    TPoint selection = null;
    if (mark == null) {
      selection = trackerPanel.getSelectedPoint();
      Point p = null;
      valid = true; // assume true
      for (int n = 0; n < points.length; n++) {
        if (!valid) continue;
        // determine if point is valid (ie not NaN)
        valid = valid && !Double.isNaN(points[n].getX()) && !Double.isNaN(points[n].getY());
        screenPoints[n] = points[n].getScreenPosition(trackerPanel);
        if (valid && selection == points[n]) p = screenPoints[n];
      }
      mark = footprint.getMark(screenPoints);
      if (p != null) { // point is selected, so draw selection shape
        transform.setToTranslation(p.x, p.y);
        int scale = FontSizer.getIntegerFactor();
        if (scale > 1) {
          transform.scale(scale, scale);
        }
        final Color color = footprint.getColor();
        final Mark stepMark = mark;
        final Shape selectedShape = transform.createTransformedShape(selectionShape);
        mark =
            new Mark() {
              public void draw(Graphics2D g, boolean highlighted) {
                stepMark.draw(g, false);
                Paint gpaint = g.getPaint();
                g.setPaint(color);
                g.fill(selectedShape);
                g.setPaint(gpaint);
              }

              public Rectangle getBounds(boolean highlighted) {
                Rectangle bounds = selectedShape.getBounds();
                bounds.add(stepMark.getBounds(false));
                return bounds;
              }
            };
      }
      final Mark theMark = mark;
      mark =
          new Mark() {
            public void draw(Graphics2D g, boolean highlighted) {
              if (!valid) return;
              theMark.draw(g, false);
            }

            public Rectangle getBounds(boolean highlighted) {
              return theMark.getBounds(highlighted);
            }
          };
      marks.put(trackerPanel, mark);
    }
    return mark;
  }
Esempio n. 8
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 private AffineTransform makeTransform(Object o) {
   AffineTransform r = (AffineTransform) ((AffineTransform) o).clone();
   // System.out.println("r:"+r);
   if (origTransform != null) {
     AffineTransform r2 = (AffineTransform) origTransform.clone();
     // System.out.println("r2:"+r2);
     r2.concatenate(r);
     r = r2;
   }
   return r;
 }
Esempio n. 9
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 /**
  * synchronize frame shape and location (TextLayout only) ; this is called by syncShape(), so that
  * subclasser might override easily when only rectangular shapes are availables.
  */
 protected void syncFrame() {
   PicText te = (PicText) element;
   if (!te.isFramed()) {
     return;
   }
   AffineTransform tr =
       new AffineTransform(); // maps Image coordinates to Model coordinates (see paint)
   tr.setToIdentity(); // reset
   PicPoint anchor = te.getCtrlPt(TextEditable.P_ANCHOR, ptBuf);
   tr.rotate(getRotation(), anchor.x, anchor.y); // rotate along P_ANCHOR !
   shape = tr.createTransformedShape(te.getShapeOfFrame());
 }
Esempio n. 10
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  /**
   * Zoom, preserving the center point on the screen. (When we draw, the center point may be moved
   * in order to maximize the amount of image seen on screen.) *
   */
  void adjustZoom(double z, Point2D cp) {
    if (cp == null) cp = new Point2D.Double(getWidth() / 2, getHeight() / 2);

    Point2D cxt = componentToImage(cp);
    double tx = cp.getX() - cxt.getX() * z;
    double ty = cp.getY() - cxt.getY() * z;

    t = new AffineTransform();
    t.translate(tx, ty);
    t.scale(z, z);

    fit = false;
    repaint();
  }
Esempio n. 11
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  @Override
  public void trackStep(Point anchor, Point lead, int modifiersEx) {
    Figure f = getOwner();
    if (f.isTransformable()) {
      Point2D.Double newPoint = view.getConstrainer().constrainPoint(view.viewToDrawing(lead));
      AffineTransform tx = new AffineTransform();
      tx.translate(newPoint.x - oldPoint.x, newPoint.y - oldPoint.y);
      f.willChange();
      f.transform(tx);
      f.changed();

      oldPoint = newPoint;
    }
  }
Esempio n. 12
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    void draw(Graphics2D g) {

      // toX/toY is tip of arrow and fx/fy is a point on the line -
      // fx/fy is used to determine direction & angle

      AffineTransform at = AffineTransform.getTranslateInstance(toX, toY);
      int b = 9;
      double theta = Math.toRadians(20);
      // The idea of using a GeneralPath is so we can
      // create the (three lines that make up the) arrow
      // (only) one time and then use AffineTransform to
      // place it anywhere we want.
      GeneralPath path = new GeneralPath();

      // distance between line and the arrow mark <** not **
      // Start a new line segment from the position of (0,0).
      path.moveTo(0, 0);
      // Create one of the two arrow head lines.
      int x = (int) (-b * Math.cos(theta));
      int y = (int) (b * Math.sin(theta));
      path.lineTo(x, y);

      // distance between line and the arrow mark <** not **
      // Make the other arrow head line.
      int x2 = (int) (-b * Math.cos(-theta));
      int y2 = (int) (b * Math.sin(-theta));
      // path.moveTo(0,0);
      path.lineTo(x2, y2);
      path.closePath();

      // theta is in radians
      double s, t;
      s = toY - fy; // calculate slopes.
      t = toX - fx;
      if (t != 0) {
        s = s / t;
        theta = Math.atan(s);
        if (t < 0) theta += Math.PI;
      } else if (s < 0) theta = -(Math.PI / 2);
      else theta = Math.PI / 2;

      at.rotate(theta);
      // at.rotate(theta,toX,toY);
      Shape shape = at.createTransformedShape(path);
      if (checkStatus == Status.UNCHECKED) g.setColor(Color.BLACK);
      else if (checkStatus == Status.COMPATIBLE) g.setColor(FOREST_GREEN);
      else g.setColor(ORANGE_RED);
      g.fill(shape);
      g.draw(shape);
    }
 @Override
 public void transform(AffineTransform tx) {
   if (get(TRANSFORM) != null
       || (tx.getType() & (AffineTransform.TYPE_TRANSLATION)) != tx.getType()) {
     if (get(TRANSFORM) == null) {
       TRANSFORM.setClone(this, tx);
     } else {
       AffineTransform t = TRANSFORM.getClone(this);
       t.preConcatenate(tx);
       set(TRANSFORM, t);
     }
   } else {
     super.transform(tx);
   }
 }
Esempio n. 14
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    public void mouseDragged(MouseEvent e) {
      int mods = e.getModifiersEx();
      Point dragEnd = e.getPoint();
      boolean shift = (mods & MouseEvent.SHIFT_DOWN_MASK) > 0;
      boolean ctrl = (mods & MouseEvent.CTRL_DOWN_MASK) > 0;
      boolean alt = shift & ctrl;
      ctrl = ctrl & (!alt);
      shift = shift & (!alt);
      boolean nomods = !(shift | ctrl | alt);

      if (dragBegin == null) dragBegin = dragEnd;

      nodrag = false;

      if ((mods & InputEvent.BUTTON3_DOWN_MASK) > 0 || true) {
        double dx = dragEnd.getX() - dragBegin.getX();
        double dy = dragEnd.getY() - dragBegin.getY();

        synchronized (JImage.this) {
          t.preConcatenate(AffineTransform.getTranslateInstance(dx, dy));
        }

        dragBegin = dragEnd;
        repaint();
      }
    }
Esempio n. 15
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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;
  }
Esempio n. 16
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  public void paint(Graphics g) {
    Graphics2D g2d = (Graphics2D) g;

    AffineTransform trans = new AffineTransform();

    int width = getSize().width;
    int height = getSize().height;

    g2d.setColor(Color.BLACK);
    g2d.fillRect(0, 0, width, height);

    trans.setTransform(identity);
    trans.scale(scale, scale);

    g2d.drawImage(image, trans, this);
  }
Esempio n. 17
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  /**
   * Code to paint the specific shape
   *
   * @param w2v 2D affine transform
   * @param g graphics context
   */
  public void paintShape(Graphics2D g, AffineTransform w2v) {
    double x = startPoint.getX();
    double y = startPoint.getY();
    double xEnd = endPoint.getX();
    double yEnd = endPoint.getY();

    g.setStroke(new BasicStroke(this.getThickness(), BasicStroke.CAP_ROUND, BasicStroke.CAP_ROUND));

    Point2D v0 = w2v.transform(new Point2D.Double(x, y), null);
    int ix = (int) v0.getX();
    int iy = (int) v0.getY();

    Point2D v1 = w2v.transform(new Point2D.Double(xEnd, yEnd), null);

    g.drawLine(ix, iy, (int) v1.getX(), (int) v1.getY());
  }
Esempio n. 18
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 public void setFontSize(float size) {
   // FONT_SIZE.basicSet(this, new Double(size));
   Point2D.Double p = new Point2D.Double(0, size);
   AffineTransform tx = TRANSFORM.get(this);
   if (tx != null) {
     try {
       tx.inverseTransform(p, p);
       Point2D.Double p0 = new Point2D.Double(0, 0);
       tx.inverseTransform(p0, p0);
       p.y -= p0.y;
     } catch (NoninvertibleTransformException ex) {
       ex.printStackTrace();
     }
   }
   FONT_SIZE.set(this, Math.abs(p.y));
 }
    public void addGlyph(GlyphData gv, float x, float y) {
      AffineTransform at = AffineTransform.getTranslateInstance(x, y);
      PathIterator pi = gv.gp.getPathIterator(at);

      float[] coords = new float[6];

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

        switch (type) {
          case PathIterator.SEG_MOVETO:
            moveTo(coords[0], coords[1]);
            break;
          case PathIterator.SEG_LINETO:
            lineTo(coords[0], coords[1]);
            break;
          case PathIterator.SEG_CUBICTO:
            curveTo(coords[0], coords[1], coords[2], coords[3], coords[4], coords[5]);
            break;
          case PathIterator.SEG_CLOSE:
            closePath();
            break;
          default:
            System.out.println("Unknown path type: " + type);
            break;
        }

        pi.next();
      }
    }
  private static MeshCoords transformSector(AffineTransform transform, Sector sector) {
    java.awt.geom.Point2D p = new java.awt.geom.Point2D.Double();
    java.awt.geom.Point2D ll = new java.awt.geom.Point2D.Double();
    java.awt.geom.Point2D ur = new java.awt.geom.Point2D.Double();

    p.setLocation(sector.getMinLongitude().degrees, sector.getMinLatitude().degrees);
    transform.transform(p, ll);

    p.setLocation(sector.getMaxLongitude().degrees, sector.getMaxLatitude().degrees);
    transform.transform(p, ur);

    return new MeshCoords(
        (float) ur.getY(), // Top
        (float) ll.getX(), // Left
        (float) ll.getY(), // Bottom
        (float) ur.getX()); // Right
  }
Esempio n. 21
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 public float getFontSize() {
   //   return FONT_SIZE.get(this).floatValue();
   Point2D.Double p = new Point2D.Double(0, FONT_SIZE.get(this));
   AffineTransform tx = TRANSFORM.get(this);
   if (tx != null) {
     tx.transform(p, p);
     Point2D.Double p0 = new Point2D.Double(0, 0);
     tx.transform(p0, p0);
     p.y -= p0.y;
     /*
     try {
         tx.inverseTransform(p, p);
     } catch (NoninvertibleTransformException ex) {
         ex.printStackTrace();
     }*/
   }
   return (float) Math.abs(p.y);
 }
Esempio n. 22
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 public void vec2FieldMagnitude(Field field, AffineTransform ftoi) {
   AffineTransform itof = null;
   try {
     itof = ftoi.createInverse();
   } catch (NoninvertibleTransformException niv) {
     TDebug.println(0, "NoninvertibleTransformException: " + niv);
   }
   Vector3d v = new Vector3d();
   Point2D.Double p = new Point2D.Double();
   for (int j = 0, k = 0; j < height; ++j)
     for (int i = 0; i < width; ++i, ++k) {
       p.x = i;
       p.y = j;
       itof.transform(p, p);
       v = field.get(p.x, p.y, 0.0);
       f[k] = (float) Math.sqrt(v.x * v.x + v.y * v.y);
     }
 }
Esempio n. 23
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 public void vec2FieldZero(Field field, AffineTransform ftoi) {
   AffineTransform itof = null;
   try {
     itof = ftoi.createInverse();
   } catch (NoninvertibleTransformException niv) {
     TDebug.println(0, "NoninvertibleTransformException: " + niv);
   }
   Vector3d v = new Vector3d();
   Point2D.Double p = new Point2D.Double();
   for (int j = 0, k = 0; j < height; ++j)
     for (int i = 0; i < width; ++i, ++k) {
       p.x = i;
       p.y = j;
       itof.transform(p, p);
       v = field.get(p.x, p.y, 0.0);
       if ((v.x == 0.0) && (v.y == 0.0)) f[k] = 1.0f;
       else f[k] = 0.0f;
     }
 }
Esempio n. 24
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  /** Synchronizes bounding box with the model ; */
  protected void syncBounds() {
    PicText te = (PicText) element;
    // [pending] Il faut tenir compte de la rotation !

    Rectangle2D latexBB =
        null; // BB relative to latex dimensions (including rotation) (without frame)
    Rectangle2D textLayoutBB =
        null; // BB relative to textLayout dimensions (including rotation) (without frame)
    Rectangle2D textBB = null; // BB of the text (including rotation), without frame

    if (areDimensionsComputed) { // compute latexBB
      Rectangle2D nonRotated =
          new Rectangle2D.Double(
              te.getLeftX(), te.getBottomY(), te.getWidth(), te.getHeight() + te.getDepth());
      AffineTransform tr =
          new AffineTransform(); // maps Image coordinates to Model coordinates (see paint)
      tr.setToIdentity(); // reset
      PicPoint anchor = te.getCtrlPt(TextEditable.P_ANCHOR, ptBuf);
      tr.rotate(getRotation(), anchor.x, anchor.y); // rotate along P_ANCHOR !
      latexBB = tr.createTransformedShape(nonRotated).getBounds2D();
    }

    if (image == null) { // compute textLayoutBB
      Rectangle2D nonRotated = textLayout.getBounds();
      textLayoutBB = text2ModelTr.createTransformedShape(nonRotated).getBounds2D();
    }

    // use textLayoutBB or latexBB or their union
    if (image != null) textBB = latexBB;
    else {
      if (!areDimensionsComputed) textBB = textLayoutBB;
      else {
        textBB = latexBB.createUnion(textLayoutBB);
      }
    }

    // union with frame BB
    if (te.isFramed()) {
      super.syncBounds(); // update bounds of the frame if necessary
      Rectangle2D.union(super.bounds, textBB, this.bounds);
    } else this.bounds = textBB;
  }
Esempio n. 25
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  public Point2D componentToImage(Point2D p) {
    Point2D tp = null;

    try {
      tp = t.inverseTransform(p, null);
    } catch (NoninvertibleTransformException ex) {
      // can't happen.
    }

    return tp;
  }
Esempio n. 26
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  /**
   * WhiteboardShapeLine constructor
   *
   * @param id String that uniquely identifies this WhiteboardObject.
   * @param t number of pixels that this object (or its border)
   * @param c WhiteboardShapeLine's color (or rather it's border)
   * @param startPoint the start coordinates of this line.
   * @param endPoint the end coordinates of this line.
   * @param v2w 2D affine transform
   */
  public WhiteboardShapeLine(
      String id,
      int t,
      Color c,
      WhiteboardPoint startPoint,
      WhiteboardPoint endPoint,
      AffineTransform v2w) {
    super(id);
    this.setThickness(t);
    setColor(c);

    Point2D v0 = new Point2D.Double(startPoint.getX(), startPoint.getY());
    Point2D w0 = v2w.transform(v0, null);

    this.startPoint = new WhiteboardPoint(w0.getX(), w0.getY());

    Point2D v1 = new Point2D.Double(endPoint.getX(), endPoint.getY());
    Point2D w1 = v2w.transform(v1, null);

    this.endPoint = new WhiteboardPoint(w1.getX(), w1.getY());
  }
Esempio n. 27
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 /**
  * Transforms the figure.
  *
  * @param tx the transformation.
  */
 public void transform(AffineTransform tx) {
   if (TRANSFORM.get(this) != null
       || tx.getType() != (tx.getType() & AffineTransform.TYPE_TRANSLATION)) {
     if (TRANSFORM.get(this) == null) {
       TRANSFORM.basicSet(this, (AffineTransform) tx.clone());
     } else {
       AffineTransform t = TRANSFORM.getClone(this);
       t.preConcatenate(tx);
       TRANSFORM.basicSet(this, t);
     }
   } else {
     for (int i = 0; i < coordinates.length; i++) {
       tx.transform(coordinates[i], coordinates[i]);
     }
     if (FILL_GRADIENT.get(this) != null && !FILL_GRADIENT.get(this).isRelativeToFigureBounds()) {
       Gradient g = FILL_GRADIENT.getClone(this);
       g.transform(tx);
       FILL_GRADIENT.basicSet(this, g);
     }
     if (STROKE_GRADIENT.get(this) != null
         && !STROKE_GRADIENT.get(this).isRelativeToFigureBounds()) {
       Gradient g = STROKE_GRADIENT.getClone(this);
       g.transform(tx);
       STROKE_GRADIENT.basicSet(this, g);
     }
   }
   invalidate();
 }
Esempio n. 28
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 /**
  * Writes the <code>shape</code>, <code>coords</code>, <code>href</code>,
  * <code>nohref</code> Attribute for the specified figure and ellipse.
  *
  * @return Returns true, if the circle is inside of the image bounds.
  */
 private boolean writeCircleAttributes(IXMLElement elem, SVGFigure f, Ellipse2D.Double ellipse) {
     AffineTransform t = TRANSFORM.getClone(f);
     if (t == null) {
         t = drawingTransform;
     } else {
         t.preConcatenate(drawingTransform);
     }
     
     if ((t.getType() &
             (AffineTransform.TYPE_UNIFORM_SCALE | AffineTransform.TYPE_TRANSLATION)) ==
             t.getType() &&
             ellipse.width == ellipse.height
             ) {
         
         Point2D.Double start = new Point2D.Double(ellipse.x, ellipse.y);
         Point2D.Double end = new Point2D.Double(ellipse.x + ellipse.width, ellipse.y + ellipse.height);
         t.transform(start, start);
         t.transform(end, end);
         ellipse.x = Math.min(start.x, end.x);
         ellipse.y = Math.min(start.y, end.y);
         ellipse.width = Math.abs(start.x - end.x);
         ellipse.height = Math.abs(start.y - end.y);
         
         elem.setAttribute("shape", "circle");
         elem.setAttribute("coords",
                 (int) (ellipse.x + ellipse.width / 2d)+","+
                 (int) (ellipse.y + ellipse.height / 2d)+","+
                 (int) (ellipse.width / 2d)
                 );
         writeHrefAttribute(elem, f);
         return bounds.intersects(ellipse.getBounds());
     } else {
         return writePolyAttributes(elem, f, (Shape) ellipse);
     }
 }
Esempio n. 29
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 /**
  * All other write methods delegate their work to here.
  */
 public void write(OutputStream out, java.util.List<Figure> figures) throws IOException {
     Rectangle2D.Double drawingRect = null;
     
     for (Figure f : figures) {
         if (drawingRect == null) {
             drawingRect = f.getBounds();
         } else {
             drawingRect.add(f.getBounds());
         }
     }
     
     AffineTransform drawingTransform = new AffineTransform();
     drawingTransform.translate(
             -Math.min(0, drawingRect.x),
             -Math.min(0, drawingRect.y)
             );
     
     write(out, figures, drawingTransform,
             new Dimension(
             (int) (Math.abs(drawingRect.x) + drawingRect.width),
             (int) (Math.abs(drawingRect.y) + drawingRect.height))
             );
 }
Esempio n. 30
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  /* Draws the ball at its current position */
  public void draw(Graphics2D g) {
    double imageWidth = img.getWidth(parent);
    double imageHeight = img.getHeight(parent);

    // translate image such that its centred on its actual position
    objectTransform.setToTranslation(
        (double) pos_x - imageWidth / 2, (double) pos_y - imageHeight / 2);

    // 	// this rotates the planet!
    // 	objectTransform.rotate(Math.PI/800,50.0,51.0);

    g.setTransform(new AffineTransform());
    g.drawImage(img, objectTransform, parent);
  }