/*
* @(#)ODGRect.java
*
* Copyright (c) 2007 The authors and contributors of JHotDraw.
* You may not use, copy or modify this file, except in compliance with the
* accompanying license terms.
*/
package org.jhotdraw.samples.odg.figures;
import edu.umd.cs.findbugs.annotations.Nullable;
import org.jhotdraw.draw.handle.TransformHandleKit;
import org.jhotdraw.draw.handle.ResizeHandleKit;
import org.jhotdraw.draw.handle.Handle;
import org.jhotdraw.draw.connector.Connector;
import java.awt.*;
import java.awt.geom.*;
import java.util.*;
import org.jhotdraw.draw.*;
import static org.jhotdraw.samples.odg.ODGAttributeKeys.*;
import org.jhotdraw.samples.odg.*;
import org.jhotdraw.geom.*;
/**
* ODGRect.
*
* @author Werner Randelshofer
* @version $Id$
*/
public class ODGRectFigure extends ODGAttributedFigure implements ODGFigure {
private static final long serialVersionUID = 1L;
private RoundRectangle2D.Double roundrect;
/**
* This is used to perform faster drawing.
*/
@Nullable private transient Shape cachedTransformedShape;
/**
* This is used to perform faster hit testing.
*/
@Nullable private transient Shape cachedHitShape;
/** Creates a new instance. */
public ODGRectFigure() {
this(0, 0, 0, 0);
}
public ODGRectFigure(double x, double y, double width, double height) {
this(x, y, width, height, 0, 0);
}
public ODGRectFigure(double x, double y, double width, double height, double rx, double ry) {
roundrect = new RoundRectangle2D.Double(x, y, width, height, rx, ry);
ODGAttributeKeys.setDefaults(this);
}
// DRAWING
@Override
protected void drawFill(Graphics2D g) {
if (getArcHeight() == 0d && getArcWidth() == 0d) {
g.fill(roundrect.getBounds2D());
} else {
g.fill(roundrect);
}
}
@Override
protected void drawStroke(Graphics2D g) {
if (getArcHeight() == 0d && getArcWidth() == 0d) {
g.draw(roundrect.getBounds2D());
} else {
g.draw(roundrect);
}
}
// SHAPE AND BOUNDS
public double getX() {
return roundrect.x;
}
public double getY() {
return roundrect.y;
}
public double getWidth() {
return roundrect.width;
}
public double getHeight() {
return roundrect.height;
}
public double getArcWidth() {
return roundrect.arcwidth / 2d;
}
public double getArcHeight() {
return roundrect.archeight / 2d;
}
@Override
public Rectangle2D.Double getBounds() {
return (Rectangle2D.Double) roundrect.getBounds2D();
}
@Override
public Rectangle2D.Double getDrawingArea() {
Rectangle2D rx = getTransformedShape().getBounds2D();
Rectangle2D.Double r = (rx instanceof Rectangle2D.Double) ? (Rectangle2D.Double) rx : new Rectangle2D.Double(rx.getX(), rx.getY(), rx.getWidth(), rx.getHeight());
if (get(TRANSFORM) == null) {
double g = ODGAttributeKeys.getPerpendicularHitGrowth(this) * 2;
Geom.grow(r, g, g);
} else {
double strokeTotalWidth = AttributeKeys.getStrokeTotalWidth(this);
double width = strokeTotalWidth / 2d;
if (get(STROKE_JOIN) == BasicStroke.JOIN_MITER) {
width *= get(STROKE_MITER_LIMIT);
}
if (get(STROKE_CAP) != BasicStroke.CAP_BUTT) {
width += strokeTotalWidth * 2;
}
width++;
Geom.grow(r, width, width);
}
return r;
}
/**
* Checks if a Point2D.Double is inside the figure.
*/
@Override
public boolean contains(Point2D.Double p) {
return getHitShape().contains(p);
}
@Override
public void setBounds(Point2D.Double anchor, Point2D.Double lead) {
invalidateTransformedShape();
roundrect.x = Math.min(anchor.x, lead.x);
roundrect.y = Math.min(anchor.y, lead.y);
roundrect.width = Math.max(0.1, Math.abs(lead.x - anchor.x));
roundrect.height = Math.max(0.1, Math.abs(lead.y - anchor.y));
}
private void invalidateTransformedShape() {
cachedTransformedShape = null;
cachedHitShape = null;
}
private Shape getTransformedShape() {
if (cachedTransformedShape == null) {
if (getArcHeight() == 0 || getArcWidth() == 0) {
cachedTransformedShape = roundrect.getBounds2D();
} else {
cachedTransformedShape = (Shape) roundrect.clone();
}
if (get(TRANSFORM) != null) {
cachedTransformedShape = get(TRANSFORM).createTransformedShape(cachedTransformedShape);
}
}
return cachedTransformedShape;
}
private Shape getHitShape() {
if (cachedHitShape == null) {
cachedHitShape = new GrowStroke(
(float) ODGAttributeKeys.getStrokeTotalWidth(this) / 2f,
(float) ODGAttributeKeys.getStrokeTotalMiterLimit(this)).createStrokedShape(getTransformedShape());
}
return cachedHitShape;
}
/**
* Transforms the figure.
* @param tx The transformation.
*/
@Override
public void transform(AffineTransform tx) {
invalidateTransformedShape();
if (get(TRANSFORM) != null ||
// (tx.getType() & (AffineTransform.TYPE_TRANSLATION | AffineTransform.TYPE_MASK_SCALE)) != tx.getType()) {
(tx.getType() & (AffineTransform.TYPE_TRANSLATION)) != tx.getType()) {
if (get(TRANSFORM) == null) {
set(TRANSFORM, (AffineTransform) tx.clone());
} else {
AffineTransform t = TRANSFORM.getClone(this);
t.preConcatenate(tx);
set(TRANSFORM, t);
}
} else {
Point2D.Double anchor = getStartPoint();
Point2D.Double lead = getEndPoint();
setBounds(
(Point2D.Double) tx.transform(anchor, anchor),
(Point2D.Double) tx.transform(lead, lead));
if (get(FILL_GRADIENT) != null &&
!get(FILL_GRADIENT).isRelativeToFigureBounds()) {
Gradient g = FILL_GRADIENT.getClone(this);
g.transform(tx);
set(FILL_GRADIENT, g);
}
if (get(STROKE_GRADIENT) != null &&
!get(STROKE_GRADIENT).isRelativeToFigureBounds()) {
Gradient g = STROKE_GRADIENT.getClone(this);
g.transform(tx);
set(STROKE_GRADIENT, g);
}
}
}
// ATTRIBUTES
public void setArc(double w, double h) {
roundrect.arcwidth = Math.max(0d, Math.min(roundrect.width, w * 2d));
roundrect.archeight = Math.max(0d, Math.min(roundrect.height, h * 2d));
}
public void setArc(Dimension2DDouble arc) {
roundrect.arcwidth = Math.max(0d, Math.min(roundrect.width, arc.width * 2d));
roundrect.archeight = Math.max(0d, Math.min(roundrect.height, arc.height * 2d));
}
public Dimension2DDouble getArc() {
return new Dimension2DDouble(
roundrect.arcwidth / 2d,
roundrect.archeight / 2d);
}
@Override
public void restoreTransformTo(Object geometry) {
invalidateTransformedShape();
Object[] restoreData = (Object[]) geometry;
roundrect = (RoundRectangle2D.Double) ((RoundRectangle2D.Double) restoreData[0]).clone();
TRANSFORM.setClone(this, (AffineTransform) restoreData[1]);
FILL_GRADIENT.setClone(this, (Gradient) restoreData[2]);
STROKE_GRADIENT.setClone(this, (Gradient) restoreData[3]);
}
@Override
public Object getTransformRestoreData() {
return new Object[]{
roundrect.clone(),
TRANSFORM.getClone(this),
FILL_GRADIENT.getClone(this),
STROKE_GRADIENT.getClone(this),};
}
// EDITING
@Override
public Collection<Handle> createHandles(int detailLevel) {
LinkedList<Handle> handles = new LinkedList<Handle>();
switch (detailLevel % 2) {
case 0:
ResizeHandleKit.addResizeHandles(this, handles);
handles.add(new ODGRectRadiusHandle(this));
break;
case 1:
TransformHandleKit.addTransformHandles(this, handles);
break;
default:
break;
}
return handles;
}
// CONNECTING
@Override
public Connector findConnector(Point2D.Double p, ConnectionFigure prototype) {
return null; // ODG does not support connectors
}
@Override
public Connector findCompatibleConnector(Connector c, boolean isStartConnector) {
return null; // ODG does not support connectors
}
// COMPOSITE FIGURES
// CLONING
@Override
public ODGRectFigure clone() {
ODGRectFigure that = (ODGRectFigure) super.clone();
that.roundrect = (RoundRectangle2D.Double) this.roundrect.clone();
that.cachedTransformedShape = null;
that.cachedHitShape = null;
return that;
}
@Override
public boolean isEmpty() {
Rectangle2D.Double b = getBounds();
return b.width <= 0 || b.height <= 0;
}
@Override
public void invalidate() {
super.invalidate();
invalidateTransformedShape();
}
}