/**
* Returns the distance, that a Rectangle needs to grow (or shrink) to make hit detections on a
* shape as specified by the FILL_UNDER_STROKE and STROKE_POSITION attributes of a figure. The
* value returned is the number of units that need to be grown (or shrunk) perpendicular to a
* stroke on an outline of the shape.
*/
public static double getPerpendicularHitGrowth(Figure f) {
double grow;
if (STROKE_COLOR.get(f) == null && STROKE_GRADIENT.get(f) == null) {
grow = getPerpendicularFillGrowth(f);
} else {
double strokeWidth = AttributeKeys.getStrokeTotalWidth(f);
grow = getPerpendicularDrawGrowth(f) + strokeWidth / 2d;
}
return grow;
}
@Override
public boolean contains(Point2D.Double p) {
double tolerance = Math.max(2f, AttributeKeys.getStrokeTotalWidth(this) / 2d);
if (isClosed() || get(FILL_COLOR) != null && get(UNCLOSED_PATH_FILLED)) {
if (path.contains(p)) {
return true;
}
double grow = AttributeKeys.getPerpendicularHitGrowth(this) * 2d;
GrowStroke gs =
new GrowStroke(grow, AttributeKeys.getStrokeTotalWidth(this) * get(STROKE_MITER_LIMIT));
if (gs.createStrokedShape(path).contains(p)) {
return true;
} else {
if (isClosed()) {
return false;
}
}
}
if (!isClosed()) {
if (getCappedPath().outlineContains(p, tolerance)) {
return true;
}
if (get(START_DECORATION) != null) {
BezierPath cp = getCappedPath();
Point2D.Double p1 = path.get(0, 0);
Point2D.Double p2 = cp.get(0, 0);
// FIXME - Check here, if caps path contains the point
if (Geom.lineContainsPoint(p1.x, p1.y, p2.x, p2.y, p.x, p.y, tolerance)) {
return true;
}
}
if (get(END_DECORATION) != null) {
BezierPath cp = getCappedPath();
Point2D.Double p1 = path.get(path.size() - 1, 0);
Point2D.Double p2 = cp.get(path.size() - 1, 0);
// FIXME - Check here, if caps path contains the point
if (Geom.lineContainsPoint(p1.x, p1.y, p2.x, p2.y, p.x, p.y, tolerance)) {
return true;
}
}
}
return false;
}
protected Point2D.Double chop(Figure target, Point2D.Double from) {
target = getConnectorTarget(target);
Rectangle2D.Double r = target.getBounds();
if (STROKE_COLOR.get(target) != null) {
double grow;
switch (STROKE_PLACEMENT.get(target)) {
case CENTER:
default:
grow = AttributeKeys.getStrokeTotalWidth(target) / 2d;
break;
case OUTSIDE:
grow = AttributeKeys.getStrokeTotalWidth(target);
break;
case INSIDE:
grow = 0d;
break;
}
Geom.grow(r, grow, grow);
}
return Geom.angleToPoint(r, Geom.pointToAngle(r, from));
}
@Override
protected void drawFill(Graphics2D g) {
if (isClosed() || get(UNCLOSED_PATH_FILLED)) {
double grow = AttributeKeys.getPerpendicularFillGrowth(this);
if (grow == 0d) {
g.fill(path);
} else {
GrowStroke gs =
new GrowStroke(grow, AttributeKeys.getStrokeTotalWidth(this) * get(STROKE_MITER_LIMIT));
g.fill(gs.createStrokedShape(path));
}
}
}
public Rectangle2D.Double getDrawingArea() {
double strokeTotalWidth = AttributeKeys.getStrokeTotalWidth(this);
double width = strokeTotalWidth / 2d;
if (STROKE_JOIN.get(this) == BasicStroke.JOIN_MITER) {
width *= STROKE_MITER_LIMIT.get(this);
} else if (STROKE_CAP.get(this) != BasicStroke.CAP_BUTT) {
width += strokeTotalWidth * 2;
}
width++;
Rectangle2D.Double r = getBounds();
Geom.grow(r, width, width);
return r;
}
public Point2D.Double chop(Point2D.Double p) {
if (isClosed()) {
double grow = AttributeKeys.getPerpendicularHitGrowth(this);
if (grow == 0d) {
return path.chop(p);
} else {
GrowStroke gs =
new GrowStroke(grow, AttributeKeys.getStrokeTotalWidth(this) * get(STROKE_MITER_LIMIT));
return Geom.chop(gs.createStrokedShape(path), p);
}
} else {
return path.chop(p);
}
}
@Override
protected void drawStroke(Graphics2D g) {
if (isClosed()) {
double grow = AttributeKeys.getPerpendicularDrawGrowth(this);
if (grow == 0d) {
g.draw(path);
} else {
GrowStroke gs =
new GrowStroke(grow, AttributeKeys.getStrokeTotalWidth(this) * get(STROKE_MITER_LIMIT));
g.draw(gs.createStrokedShape(path));
}
} else {
g.draw(getCappedPath());
}
drawCaps(g);
}
@Override
public Rectangle2D.Double getDrawingArea() {
if (cachedDrawingArea == null) {
if (get(TRANSFORM) == null) {
cachedDrawingArea = path.getBounds2D();
} else {
BezierPath p2 = (BezierPath) path.clone();
p2.transform(get(TRANSFORM));
cachedDrawingArea = p2.getBounds2D();
}
double strokeTotalWidth = AttributeKeys.getStrokeTotalWidth(this);
double width = strokeTotalWidth / 2d;
if (get(STROKE_JOIN) == BasicStroke.JOIN_MITER) {
width *= get(STROKE_MITER_LIMIT);
} else if (get(STROKE_CAP) != BasicStroke.CAP_BUTT) {
width += strokeTotalWidth * 2;
}
Geom.grow(cachedDrawingArea, width, width);
}
return (Rectangle2D.Double) cachedDrawingArea.clone();
}