javafx.scene.shape.CubicCurve Maven / Gradle / Ivy
/*
* Copyright (c) 2010, 2016, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package javafx.scene.shape;
import com.sun.javafx.geom.CubicCurve2D;
import com.sun.javafx.scene.DirtyBits;
import com.sun.javafx.scene.NodeHelper;
import com.sun.javafx.scene.shape.CubicCurveHelper;
import com.sun.javafx.sg.prism.NGCubicCurve;
import com.sun.javafx.sg.prism.NGNode;
import javafx.beans.property.DoubleProperty;
import javafx.beans.property.DoublePropertyBase;
import javafx.scene.Node;
import javafx.scene.paint.Paint;
/**
* The {@code CubiCurve} class defines a cubic Bézier parametric curve segment
* in (x,y) coordinate space. Drawing a curve that intersects both the specified
* coordinates {@code (startX, startY)} and {@code (endX, enfY)}, using the
* specified points {@code (controlX1, controlY1)} and {@code (controlX2, controlY2)}
* as Bézier control points.
* Example:
*
import javafx.scene.shape.*;
CubicCurve cubic = new CubicCurve();
cubic.setStartX(0.0f);
cubic.setStartY(50.0f);
cubic.setControlX1(25.0f);
cubic.setControlY1(0.0f);
cubic.setControlX2(75.0f);
cubic.setControlY2(100.0f);
cubic.setEndX(100.0f);
cubic.setEndY(50.0f);
}
* @since JavaFX 2.0
*/
public class CubicCurve extends Shape {
static {
CubicCurveHelper.setCubicCurveAccessor(new CubicCurveHelper.CubicCurveAccessor() {
@Override
public NGNode doCreatePeer(Node node) {
return ((CubicCurve) node).doCreatePeer();
}
@Override
public void doUpdatePeer(Node node) {
((CubicCurve) node).doUpdatePeer();
}
@Override
public com.sun.javafx.geom.Shape doConfigShape(Shape shape) {
return ((CubicCurve) shape).doConfigShape();
}
});
}
private final CubicCurve2D shape = new CubicCurve2D();
/**
* Defines the X coordinate of the start point of the cubic curve segment.
*
* @defaultValue 0.0
*/
private DoubleProperty startX;
{
// To initialize the class helper at the begining each constructor of this class
CubicCurveHelper.initHelper(this);
}
/**
* Creates an empty instance of CubicCurve.
*/
public CubicCurve() {
}
/**
* Creates a new instance of CubicCurve.
* @param startX the X coordinate of the start point
* @param startY the Y coordinate of the start point
* @param controlX1 the X coordinate of the first control point
* @param controlY1 the Y coordinate of the first control point
* @param controlX2 the X coordinate of the second control point
* @param controlY2 the Y coordinate of the second control point
* @param endX the X coordinate of the end point
* @param endY the Y coordinate of the end point
* @since JavaFX 2.1
*/
public CubicCurve(double startX, double startY, double controlX1,
double controlY1, double controlX2, double controlY2,
double endX, double endY) {
setStartX(startX);
setStartY(startY);
setControlX1(controlX1);
setControlY1(controlY1);
setControlX2(controlX2);
setControlY2(controlY2);
setEndX(endX);
setEndY(endY);
}
public final void setStartX(double value) {
if (startX != null || value != 0.0) {
startXProperty().set(value);
}
}
public final double getStartX() {
return startX == null ? 0.0 : startX.get();
}
public final DoubleProperty startXProperty() {
if (startX == null) {
startX = new DoublePropertyBase() {
@Override
public void invalidated() {
NodeHelper.markDirty(CubicCurve.this, DirtyBits.NODE_GEOMETRY);
NodeHelper.geomChanged(CubicCurve.this);
}
@Override
public Object getBean() {
return CubicCurve.this;
}
@Override
public String getName() {
return "startX";
}
};
}
return startX;
}
/**
* Defines the Y coordinate of the start point of the cubic curve segment.
*
* @defaultValue 0.0
*/
private DoubleProperty startY;
public final void setStartY(double value) {
if (startY != null || value != 0.0) {
startYProperty().set(value);
}
}
public final double getStartY() {
return startY == null ? 0.0 : startY.get();
}
public final DoubleProperty startYProperty() {
if (startY == null) {
startY = new DoublePropertyBase() {
@Override
public void invalidated() {
NodeHelper.markDirty(CubicCurve.this, DirtyBits.NODE_GEOMETRY);
NodeHelper.geomChanged(CubicCurve.this);
}
@Override
public Object getBean() {
return CubicCurve.this;
}
@Override
public String getName() {
return "startY";
}
};
}
return startY;
}
/**
* Defines the X coordinate of the first control point
* of the cubic curve segment.
*
* @defaultValue 0.0
*/
private DoubleProperty controlX1;
public final void setControlX1(double value) {
if (controlX1 != null || value != 0.0) {
controlX1Property().set(value);
}
}
public final double getControlX1() {
return controlX1 == null ? 0.0 : controlX1.get();
}
public final DoubleProperty controlX1Property() {
if (controlX1 == null) {
controlX1 = new DoublePropertyBase() {
@Override
public void invalidated() {
NodeHelper.markDirty(CubicCurve.this, DirtyBits.NODE_GEOMETRY);
NodeHelper.geomChanged(CubicCurve.this);
}
@Override
public Object getBean() {
return CubicCurve.this;
}
@Override
public String getName() {
return "controlX1";
}
};
}
return controlX1;
}
/**
* Defines the Y coordinate of the first control point
* of the cubic curve segment.
*
* @defaultValue 0.0
*/
private DoubleProperty controlY1;
public final void setControlY1(double value) {
if (controlY1 != null || value != 0.0) {
controlY1Property().set(value);
}
}
public final double getControlY1() {
return controlY1 == null ? 0.0 : controlY1.get();
}
public final DoubleProperty controlY1Property() {
if (controlY1 == null) {
controlY1 = new DoublePropertyBase() {
@Override
public void invalidated() {
NodeHelper.markDirty(CubicCurve.this, DirtyBits.NODE_GEOMETRY);
NodeHelper.geomChanged(CubicCurve.this);
}
@Override
public Object getBean() {
return CubicCurve.this;
}
@Override
public String getName() {
return "controlY1";
}
};
}
return controlY1;
}
/**
* Defines the X coordinate of the second control point
* of the cubic curve segment.
*
* @defaultValue 0.0
*/
private DoubleProperty controlX2;
public final void setControlX2(double value) {
if (controlX2 != null || value != 0.0) {
controlX2Property().set(value);
}
}
public final double getControlX2() {
return controlX2 == null ? 0.0 : controlX2.get();
}
public final DoubleProperty controlX2Property() {
if (controlX2 == null) {
controlX2 = new DoublePropertyBase() {
@Override
public void invalidated() {
NodeHelper.markDirty(CubicCurve.this, DirtyBits.NODE_GEOMETRY);
NodeHelper.geomChanged(CubicCurve.this);
}
@Override
public Object getBean() {
return CubicCurve.this;
}
@Override
public String getName() {
return "controlX2";
}
};
}
return controlX2;
}
/**
* Defines the Y coordinate of the second control point
* of the cubic curve segment.
*
* @defaultValue 0.0
*/
private DoubleProperty controlY2;
public final void setControlY2(double value) {
if (controlY2 != null || value != 0.0) {
controlY2Property().set(value);
}
}
public final double getControlY2() {
return controlY2 == null ? 0.0 : controlY2.get();
}
public final DoubleProperty controlY2Property() {
if (controlY2 == null) {
controlY2 = new DoublePropertyBase() {
@Override
public void invalidated() {
NodeHelper.markDirty(CubicCurve.this, DirtyBits.NODE_GEOMETRY);
NodeHelper.geomChanged(CubicCurve.this);
}
@Override
public Object getBean() {
return CubicCurve.this;
}
@Override
public String getName() {
return "controlY2";
}
};
}
return controlY2;
}
/**
* Defines the X coordinate of the end point of the cubic curve segment.
*
* @defaultValue 0.0
*/
private DoubleProperty endX;
public final void setEndX(double value) {
if (endX != null || value != 0.0) {
endXProperty().set(value);
}
}
public final double getEndX() {
return endX == null ? 0.0 : endX.get();
}
public final DoubleProperty endXProperty() {
if (endX == null) {
endX = new DoublePropertyBase() {
@Override
public void invalidated() {
NodeHelper.markDirty(CubicCurve.this, DirtyBits.NODE_GEOMETRY);
NodeHelper.geomChanged(CubicCurve.this);
}
@Override
public Object getBean() {
return CubicCurve.this;
}
@Override
public String getName() {
return "endX";
}
};
}
return endX;
}
/**
* Defines the Y coordinate of the end point of the cubic curve segment.
*
* @defaultValue 0.0
*/
private DoubleProperty endY;
public final void setEndY(double value) {
if (endY != null || value != 0.0) {
endYProperty().set(value);
}
}
public final double getEndY() {
return endY == null ? 0.0 : endY.get();
}
public final DoubleProperty endYProperty() {
if (endY == null) {
endY = new DoublePropertyBase() {
@Override
public void invalidated() {
NodeHelper.markDirty(CubicCurve.this, DirtyBits.NODE_GEOMETRY);
NodeHelper.geomChanged(CubicCurve.this);
}
@Override
public Object getBean() {
return CubicCurve.this;
}
@Override
public String getName() {
return "endY";
}
};
}
return endY;
}
/*
* Note: This method MUST only be called via its accessor method.
*/
private CubicCurve2D doConfigShape() {
shape.x1 = (float)getStartX();
shape.y1 = (float)getStartY();
shape.ctrlx1 = (float)getControlX1();
shape.ctrly1 = (float)getControlY1();
shape.ctrlx2 = (float)getControlX2();
shape.ctrly2 = (float)getControlY2();
shape.x2 = (float)getEndX();
shape.y2 = (float)getEndY();
return shape;
}
/*
* Note: This method MUST only be called via its accessor method.
*/
private NGNode doCreatePeer() {
return new NGCubicCurve();
}
/*
* Note: This method MUST only be called via its accessor method.
*/
private void doUpdatePeer() {
if (NodeHelper.isDirty(this, DirtyBits.NODE_GEOMETRY)) {
final NGCubicCurve peer = NodeHelper.getPeer(this);
peer.updateCubicCurve((float)getStartX(),
(float)getStartY(),
(float)getEndX(),
(float)getEndY(),
(float)getControlX1(),
(float)getControlY1(),
(float)getControlX2(),
(float)getControlY2());
}
}
/**
* Returns a string representation of this {@code CubicCurve} object.
* @return a string representation of this {@code CubicCurve} object.
*/
@Override
public String toString() {
final StringBuilder sb = new StringBuilder("CubicCurve[");
String id = getId();
if (id != null) {
sb.append("id=").append(id).append(", ");
}
sb.append("startX=").append(getStartX());
sb.append(", startY=").append(getStartY());
sb.append(", controlX1=").append(getControlX1());
sb.append(", controlY1=").append(getControlY1());
sb.append(", controlX2=").append(getControlX2());
sb.append(", controlY2=").append(getControlY2());
sb.append(", endX=").append(getEndX());
sb.append(", endY=").append(getEndY());
sb.append(", fill=").append(getFill());
Paint stroke = getStroke();
if (stroke != null) {
sb.append(", stroke=").append(stroke);
sb.append(", strokeWidth=").append(getStrokeWidth());
}
return sb.append("]").toString();
}
}