@Override
public CanvasPainter showAction(
SVGHandle handle,
int level,
Set<Element> elementSet,
SelectionItem item,
Point2D firstPoint,
Point2D currentPoint) {
// getting the element that will undergo the action
Element element = elementSet.iterator().next();
// the canvas painter that should be returned
CanvasPainter painter = null;
// whether the shape should be painted
boolean canPaintShape = true;
// the shape that will be painted
Shape shape = null;
// getting the action transform
AffineTransform actionTransform = null;
switch (level) {
case 0:
// getting the resize transform
actionTransform = getResizeTransform(handle, element, item, firstPoint, currentPoint);
break;
case 1:
if (item.getType() == SelectionItem.CENTER) {
// storing the center point for the rotate action
rotationSkewSelectionItemCenterPoint = currentPoint;
item.setPoint(currentPoint);
canPaintShape = false;
} else if (item.getType() == SelectionItem.NORTH_WEST
|| item.getType() == SelectionItem.NORTH_EAST
|| item.getType() == SelectionItem.SOUTH_EAST
|| item.getType() == SelectionItem.SOUTH_WEST) {
// getting the rotation transform
actionTransform = getRotationTransform(handle, element, firstPoint, currentPoint);
} else {
// getting the skew transform
actionTransform = getSkewTransform(handle, element, firstPoint, currentPoint, item);
}
break;
}
if (actionTransform != null) {
// getting the initial shape
shape = getShape(handle, element, true);
// getting the element's transform
AffineTransform transform = handle.getSvgElementsManager().getTransform(element);
// concatenating the action transform to the element's transform
transform.preConcatenate(actionTransform);
// computing the screen scaled shape
shape = handle.getTransformsManager().getScaledShape(shape, false, transform);
}
if (canPaintShape && shape != null) {
final Shape fshape = shape;
// creating the set of the clips
final HashSet<Rectangle2D> fclips = new HashSet<Rectangle2D>();
fclips.add(fshape.getBounds2D());
painter =
new CanvasPainter() {
@Override
public void paintToBeDone(Graphics2D g) {
g = (Graphics2D) g.create();
g.setRenderingHint(
RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
g.setColor(strokeColor);
g.draw(fshape);
g.dispose();
}
@Override
public Set<Rectangle2D> getClip() {
return fclips;
}
};
}
return painter;
}
