Exemplo n.º 1
0
 private String matrixTransform(SVGMatrix matrix) {
   return "matrix("
       + matrix.getA()
       + ", "
       + matrix.getB()
       + ", "
       + matrix.getC()
       + ", "
       + matrix.getD()
       + ", "
       + matrix.getE()
       + ", "
       + matrix.getF()
       + ")";
 }
Exemplo n.º 2
0
    @Override
    public void move() {
      Event event = D3.getEvent().cast();
      SVGPoint p = getEventPoint(event).matrixTransform(m_stateTf);

      SVGElement svg = getContainerElement().cast();
      SVGGElement g = getDraggableElement().cast();
      SVGRect gBox = g.getBBox();

      SVGMatrix m =
          m_stateTf
              .inverse()
              .translate(p.getX() - m_stateOrigin.getX(), p.getY() - m_stateOrigin.getY());

      double mapWidth = gBox.getWidth() * m.getA();
      double mapHeight = gBox.getHeight() * m.getA();

      double boundaryX = calculateBoundsX(mapWidth, svg.getOffsetWidth(), m.getE());

      double boundaryY = calculateBoundsY(mapHeight, svg.getOffsetHeight(), m.getF());

      String matrixTransform =
          "matrix(" + m.getA() + ", " + m.getB() + ", " + m.getC() + ", " + m.getD() + ", "
              + boundaryX + ", " + boundaryY + ")";

      getDraggableElement().setAttribute("transform", matrixTransform);

      // Updating the reference map
      // TODO: this needs to be reworked a little its off
      double viewPortWidth = (getContainerElement().getOffsetWidth() / m.getA()) * 0.4;
      double viewPortHeight = (getContainerElement().getOffsetHeight() / m.getA()) * 0.4;
      m_referenceMapViewport.setAttribute("width", "" + viewPortWidth);
      m_referenceMapViewport.setAttribute("height", "" + viewPortHeight);
      m_referenceMapViewport.setAttribute("x", "" + (-boundaryX * 0.4));
      m_referenceMapViewport.setAttribute("y", "" + (-boundaryY * 0.4));
    }