projects/dwt-addons: dwtx/draw2d/geometry/Rectangle.d comparison

comparison dwtx/draw2d/geometry/Rectangle.d @ 98:95307ad235d9

Added Draw2d code, still work in progress

author	Frank Benoit <benoit@tionex.de>
date	Sun, 03 Aug 2008 00:52:14 +0200
parents
children	1082a0fc2bb8

comparison

equal deleted inserted replaced

-:b492ba44e44d
+:95307ad235d9
+/*******************************************************************************
+* Copyright (c) 2000, 2008 IBM Corporation and others.
+* All rights reserved. This program and the accompanying materials
+* are made available under the terms of the Eclipse Public License v1.0
+* which accompanies this distribution, and is available at
+* http://www.eclipse.org/legal/epl-v10.html
+*
+* Contributors:
+*     IBM Corporation - initial API and implementation
+* Port to the D programming language:
+*     Frank Benoit <benoit@tionex.de>
+*******************************************************************************/
+module dwtx.draw2d.geometry.Rectangle;
+import dwt.dwthelper.utils;
+import dwtx.draw2d.geometry.Translatable;
+import dwtx.draw2d.geometry.Point;
+import dwtx.draw2d.geometry.Dimension;
+import dwtx.draw2d.geometry.Insets;
+import dwtx.draw2d.PositionConstants;
+import tango.text.convert.Format;
+static import dwt.graphics.Rectangle;
+/**
+* Represents a Rectangle(x, y, width, height). This class provides various methods
+* for manipulating this Rectangle or creating new derived geometrical Objects.
+*/
+public class Rectangle
+: Cloneable, /+java.io.Serializable, +/Translatable
+{
+/** the X value */
+public int x;
+/** the Y value */
+public int y;
+/** the width*/
+public int width;
+/** the height */
+public int height;
+/**A singleton for use in short calculations.  Use to avoid newing unnecessary objects.*/
+public static const Rectangle SINGLETON;
+static this(){
+SINGLETON = new Rectangle();
+}
+static final long serialVersionUID = 1;
+/**
+* Constructs a Rectangle at the origin with zero width and height.
+*
+* @since 2.0
+*/
+public this() { }
+/**
+* Constructs a Rectangle given a location and size.
+*
+* @param p  the location
+* @param size the size
+* @since 2.0
+*/
+public this(Point p, Dimension size) {
+this(p.x, p.y, size.width, size.height);
+}
+/**
+* Constructs a copy of the provided Rectangle.
+*
+* @param rect Rectangle supplying the initial values
+* @since 2.0
+*/
+public this(Rectangle rect) {
+this(rect.x, rect.y, rect.width, rect.height);
+}
+/**
+* Constructs a copy of the provided DWT {@link dwt.graphics.Rectangle}.
+*
+* @param rect The DWT Rectangle being copied
+* @since 2.0
+*/
+public this(dwt.graphics.Rectangle.Rectangle rect) {
+this(rect.x, rect.y, rect.width, rect.height);
+}
+/**
+* Constructs a Rectangle with the provided values.
+*
+* @param x  X location
+* @param y  Y location
+* @param width  Width of the rectangle
+* @param height Height of the rectangle
+* @since 2.0
+*/
+public this(int x, int y, int width, int height) {
+this.x = x;
+this.y = y;
+this.width = width;
+this.height = height;
+}
+/**
+* Constructs the smallest Rectangle that contains the specified Points.
+*
+* @param p1  Upper left hand corner
+* @param p2  Lower right hand corner
+* @since 2.0
+*/
+public this(Point p1, Point p2) {
+this.x = Math.min(p1.x, p2.x);
+this.y = Math.min(p1.y, p2.y);
+this.width = Math.abs(p2.x - p1.x) + 1;
+this.height = Math.abs(p2.y - p1.y) + 1;
+}
+/**
+* Returns the y-coordinate of the bottom of this Rectangle.
+*
+* @return  The Y coordinate of the bottom
+* @since 2.0
+*/
+public int bottom() {
+return y + height;
+}
+/**
+* Returns whether the given point is within the boundaries of this Rectangle.
+* The boundaries are inclusive of the top and left edges, but exclusive of the
+* bottom and right edges.
+*
+* @param pt  Point being tested for containment
+* @return true if the Point is within this Rectangle
+* @since 2.0
+*/
+public bool contains(Point pt) {
+return contains(pt.x, pt.y);
+}
+/**
+* Returns <code>true</code> if the given rectangle is contained within the
+* boundaries of this Rectangle.
+*
+* @param rect the Rectangle to test
+* @return true if the Rectangle is within this Rectangle
+*/
+public bool contains(Rectangle rect) {
+return x <= rect.x
+&& y <= rect.y
+&& right() >= rect.right()
+&& bottom() >= rect.bottom();
+}
+/**
+* Returns whether the given coordinates are within the boundaries of this
+* Rectangle.  The boundaries are inclusive of the top and left edges, but
+* exclusive of the bottom and right edges.
+*
+* @param x X value
+* @param y Y value
+* @return true if the coordinates are within this Rectangle
+* @since 2.0
+*/
+public bool contains(int x, int y) {
+return y >= this.y
+&& y < this.y + this.height
+&& x >= this.x
+&& x < this.x + this.width;
+}
+/**
+* Crops this rectangle by the amount specified in <code>insets</code>.
+*
+* @param insets  Insets to be removed from the Rectangle
+* @return  <code>this</code> for convenience
+* @since 2.0
+*/
+public Rectangle crop(Insets insets) {
+if (insets is null)
+return this;
+x += insets.left;
+y += insets.top;
+width -= (insets.getWidth());
+height -= (insets.getHeight());
+return this;
+}
+/**
+* Returns whether the input object is equal to this Rectangle or not.
+* Rectangles are equivalent if their x, y, height, and width values are the
+* same.
+*
+* @param o  Object being tested for equality
+* @return  Returns the result of the equality test
+* @since 2.0
+*/
+public override int opEquals(Object o) {
+if (this is o) return true;
+if (auto r = cast(Rectangle)o ) {
+return (x is r.x)
+&& (y  is r.y)
+&& (width  is r.width)
+&& (height is r.height);
+}
+return false;
+}
+/**
+* Expands the horizontal and vertical sides of this Rectangle with the values
+* provided as input, and returns this for convenience. The location of its
+* center is kept constant.
+*
+* @param h  Horizontal increment
+* @param v  Vertical increment
+* @return  <code>this</code> for convenience
+* @since 2.0
+*/
+public Rectangle expand(int h, int v) {
+return shrink(-h, -v);
+}
+/**
+* Expands the horizontal and vertical sides of this Rectangle by the width and
+* height of the given Insets, and returns this for convenience.
+*
+* @param insets contains the amounts to expand on each side
+* @return  <code>this</code> for convenience
+* @since 2.0
+*/
+public Rectangle expand(Insets insets) {
+x -= insets.left;
+y -= insets.top;
+height += insets.getHeight();
+width  += insets.getWidth();
+return this;
+}
+/**
+* Returns a new Point representing the middle point of the bottom side of this
+* Rectangle.
+*
+* @return  Point at the bottom of the Rectangle
+* @since 2.0
+*/
+public Point getBottom() {
+return new Point(x + width / 2, bottom());
+}
+/**
+* Returns a new Point representing the bottom left point of this Rectangle.
+*
+* @return  Point at the bottom left of the rectangle
+* @since 2.0
+*/
+public Point getBottomLeft() {
+return new Point(x, y + height);
+}
+/**
+* Returns a new Point representing the bottom right point of this Rectangle.
+*
+* @return  Point at the bottom right of the rectangle
+* @since 2.0
+*/
+public Point getBottomRight() {
+return new Point(x + width, y + height);
+}
+/**
+* Returns a new point representing the center of this Rectangle.
+*
+* @return  Point at the center of the rectangle
+*/
+public Point getCenter() {
+return new Point(x + width / 2, y + height / 2);
+}
+/**
+* Returns a new Rectangle which has the exact same parameters as this
+* Rectangle.
+*
+* @return  Copy of this Rectangle
+* @since 2.0
+*/
+public Rectangle getCopy() {
+//     try {
+//         return cast(Rectangle)clone();
+//     } catch (CloneNotSupportedException exc) {
+return new Rectangle(this);
+//     }
+}
+/**
+* Returns a new Rectangle with the specified insets cropped.
+*
+* @param insets  Insets being cropped from the Rectangle
+* @return  Cropped new Rectangle
+*/
+public Rectangle getCropped(Insets insets) {
+Rectangle r = new Rectangle(this);
+r.crop(insets);
+return r;
+}
+/**
+* Returns a new incremented Rectangle, where the sides are expanded by the
+* horizonatal and vertical values provided. The center of the Rectangle is
+* maintained constant.
+*
+* @param h  Horizontal increment
+* @param v  Vertical inrement
+* @return  A new expanded Rectangle
+* @since 2.0
+*/
+public Rectangle getExpanded(int h, int v) {
+return (new Rectangle(this)).expand(h, v);
+}
+/**
+* Creates and returns a new Rectangle with the bounds of <code>this</code>
+* Rectangle, expanded by the given Insets.
+*
+* @param insets The insets used to expand this rectangle
+* @return A new expanded Rectangle
+* @since 2.0
+*/
+public Rectangle getExpanded(Insets insets) {
+return (new Rectangle(this)).expand(insets);
+}
+/**
+* Returns a new Rectangle which has the intersection of this Rectangle and the
+* rectangle provided as input. Returns an empty Rectangle if there is no
+* interection.
+*
+* @param rect  Rectangle provided to test for intersection
+* @return  A new Rectangle representing the intersection
+* @since 2.0
+*/
+public Rectangle getIntersection(Rectangle rect) {
+int x1 = Math.max(x, rect.x);
+int x2 = Math.min(x + width, rect.x + rect.width);
+int y1 = Math.max(y, rect.y);
+int y2 = Math.min(y + height, rect.y + rect.height);
+if (((x2 - x1) < 0) || ((y2 - y1) < 0))
+return new Rectangle(0, 0, 0, 0);  // No intersection
+else
+return new Rectangle(x1, y1, x2 - x1, y2 - y1);
+}
+/**
+* Returns a new Point representing the middle point of the left hand side of
+* this Rectangle.
+*
+* @return  Point at the left of the Rectangle
+*/
+public Point getLeft() {
+return new Point(x, y + height / 2);
+}
+/**
+* Returns the upper left hand corner of the rectangle.
+*
+* @return  Location of the rectangle
+* @see  #setLocation(Point)
+*/
+public Point getLocation() {
+return new Point(x, y);
+}
+/**
+* <P>Returns an integer which represents the position of the given point with  respect to
+* this rectangle. Possible return values are bitwise ORs of the constants WEST, EAST,
+* NORTH, and SOUTH as found in {@link dwtx.draw2d.PositionConstants}.
+*
+* <P>Returns PositionConstant.NONE if the given point is inside this Rectangle.
+*
+* @param   pt  The Point whose position has to be determined
+* @return  An <code>int</code> which is a PositionConstant
+* @see dwtx.draw2d.PositionConstants
+* @since 2.0
+*/
+public int getPosition(Point pt) {
+int result = PositionConstants.NONE;
+if (contains(pt))
+return result;
+if (pt.x < x)
+result = PositionConstants.WEST;
+else if (pt.x >= (x + width))
+result = PositionConstants.EAST;
+if (pt.y < y)
+result = result | PositionConstants.NORTH;
+else if (pt.y >= (y + height))
+result = result | PositionConstants.SOUTH;
+return result;
+}
+/**
+* Returns a new Rectangle which is equivalent to this Rectangle with its
+* dimensions modified by the passed width <i>w</i> and height <i>h</i>.
+* @param w  Amount by which width is to be resized
+* @param h  Amount by which height is to be resized
+* @return a new rectangle with its width and height modified
+*/
+public Rectangle getResized(int w, int h) {
+return (new Rectangle(this)).resize(w, h);
+}
+/**
+* Returns a new Rectangle which is equivalent to this Rectangle with its
+* dimensions modified by the passed Dimension <i>d</i>.
+*
+* @param d  Dimensions by which the rectangle's size should be modified
+* @return   The new rectangle with the modified dimensions
+* @since 2.0
+*/
+public Rectangle getResized(Dimension d) {
+return (new Rectangle(this)).resize(d);
+}
+/**
+* Returns a new Point which represents the middle point of the right hand side
+* of this Rectangle.
+*
+* @return  Point at the right of the Rectangle
+* @since 2.0
+*/
+public Point getRight() {
+return new Point(right(), y + height / 2);
+}
+/**
+* Retuns the dimensions of this Rectangle.
+*
+* @return  Size of this Rectangle as a Dimension
+* @since 2.0
+*/
+public Dimension getSize() {
+return new Dimension(width, height);
+}
+/**
+* Returns a new Point which represents the middle point of the top side of this
+* Rectangle.
+*
+* @return  Point at the top of the Rectangle
+* @since 2.0
+*/
+public Point getTop() {
+return new Point(x + width / 2, y);
+}
+/**
+* Returns a new Point which represents the top left hand corner of this
+* Rectangle.
+*
+* @return  Point at the top left of the rectangle
+* @since 2.0
+*/
+public Point getTopLeft() {
+return new Point(x, y);
+}
+/**
+* Returns a new Point which represents the top right hand corner of this
+* Rectangle.
+*
+* @return  Point at the top right of the rectangle
+* @since 2.0
+*/
+public Point getTopRight() {
+return new Point(x + width, y);
+}
+/**
+* Returns a new Rectangle which is shifted along each axis by the passed
+* values.
+*
+* @param dx  Displacement along X axis
+* @param dy  Displacement along Y axis
+* @return  The new translated rectangle
+* @since 2.0
+*/
+public Rectangle getTranslated(int dx, int dy) {
+return (new Rectangle(this)).translate(dx, dy);
+}
+/**
+* Returns a new Rectangle which is shifted by the position of the given Point.
+*
+* @param pt  Point providing the amount of shift along each axis
+* @return  The new translated Rectangle
+* @since 2.0
+*/
+public Rectangle getTranslated(Point pt) {
+return (new Rectangle(this)).translate(pt);
+}
+/**
+* Returns a new rectangle whose width and height have been interchanged, as well
+* as its x and y values. This can be useful in orientation changes.
+*
+* @return  The transposed rectangle
+* @since 2.0
+*/
+public Rectangle getTransposed() {
+Rectangle r = new Rectangle(this);
+r.transpose();
+return r;
+}
+/**
+* Returns a new Rectangle which contains both this Rectangle and the Rectangle
+* supplied as input.
+*
+* @param rect  Rectangle for calculating union_
+* @return  A new unioned Rectangle
+* @since 2.0
+*/
+public Rectangle getUnion(Rectangle rect) {
+if (rect is null || rect.isEmpty())
+return new Rectangle(this);
+Rectangle union_ = new Rectangle(
+Math.min(x, rect.x),
+Math.min(y, rect.y), 0, 0);
+union_.width = Math.max(x + width, rect.x + rect.width) - union_.x;
+union_.height = Math.max(y + height, rect.y + rect.height) - union_.y;
+return union_;
+}
+/**
+* @see java.lang.Object#toHash()
+*/
+public override hash_t toHash() {
+return (x + height + 1) * (y + width + 1) ^ x ^ y;
+}
+/**
+* Sets the size of this Rectangle to the intersection region with the Rectangle
+* supplied as input, and returns this for convenience. The location and
+* dimensions are set to zero if there is no intersection with the input
+* Rectangle.
+*
+* @param rect  Rectangle for the calculating intersection.
+* @return  <code>this</code> for convenience
+* @since 2.0
+*/
+public Rectangle intersect(Rectangle rect) {
+int x1 = Math.max(x, rect.x);
+int x2 = Math.min(x + width, rect.x + rect.width);
+int y1 = Math.max(y, rect.y);
+int y2 = Math.min(y + height, rect.y + rect.height);
+if (((x2 - x1) < 0) || ((y2 - y1) < 0))
+x = y = width = height = 0; // No intersection
+else {
+x = x1;
+y = y1;
+width = x2 - x1;
+height = y2 - y1;
+}
+return this;
+}
+/**
+* Returns <code>true</code> if the input Rectangle intersects this Rectangle.
+*
+* @param rect  Rectangle for the intersetion test
+* @return  <code>true</code> if the input Rectangle intersects this Rectangle
+* @since 2.0
+*/
+public bool intersects(Rectangle rect) {
+return rect.x < x + width
+&& rect.y < y + height
+&& rect.x + rect.width > x
+&& rect.y + rect.height > y;
+}
+/**
+* Returns <code>true</code> if this Rectangle's width or height is less than or
+* equal to 0.
+*
+* @return  <code>true</code> if this Rectangle is empty
+* @since 2.0
+*/
+public bool isEmpty() {
+return width <= 0 || height <= 0;
+}
+/**
+* @see Translatable#performScale(double)
+*/
+public void performScale(double factor) {
+scale(factor);
+}
+/**
+* @see Translatable#performTranslate(int, int)
+*/
+public void performTranslate(int dx, int dy) {
+translate(dx, dy);
+}
+/**
+* Resizes this Rectangle by the Dimension provided as input and returns this
+* for convenience. This Rectange's width will become this.width + sizeDelta.width.
+* Likewise for height.
+*
+* @param sizeDelta  Resize data as a Dimension
+* @return  <code>this</code> for convenience
+* @since 2.0
+*/
+public Rectangle resize(Dimension sizeDelta) {
+width += sizeDelta.width;
+height += sizeDelta.height;
+return this;
+}
+/**
+* Resizes this Rectangle by the values supplied as input and returns this for
+* convenience. This Rectangle's width will become this.width + dw. This
+* Rectangle's height will become this.height + dh.
+*
+* @param dw  Amount by which width is to be resized
+* @param dh  Amount by which height is to be resized
+* @return  <code>this</code> for convenience
+* @since 2.0
+*/
+public Rectangle resize(int dw, int dh) {
+width += dw;
+height += dh;
+return this;
+}
+/**
+* Returns the x-coordinate of the right side of this Rectangle.
+*
+* @return  The X coordinate of the right side
+* @since 2.0
+*/
+public int right() {
+return x + width;
+}
+/**
+* Scales the location and size of this Rectangle by the given scale and returns
+* this for convenience.
+*
+* @param   scaleFactor The factor by which this rectangle will be scaled
+* @return  <code>this</code> for convenience
+* @since 2.0
+*/
+public final Rectangle scale(double scaleFactor) {
+return scale(scaleFactor, scaleFactor);
+}
+/**
+* Scales the location and size of this Rectangle by the given scales and returns
+* this for convenience.
+*
+* @param   scaleX  the factor by which the X dimension has to be scaled
+* @param   scaleY  the factor by which the Y dimension has to be scaled
+* @return  <code>this</code> for convenience
+* @since 2.0
+*/
+public Rectangle scale(double scaleX, double scaleY) {
+int oldX = x;
+int oldY = y;
+x = cast(int)(Math.floor(x * scaleX));
+y = cast(int)(Math.floor(y * scaleY));
+width = cast(int)(Math.ceil((oldX + width) * scaleX)) - x;
+height = cast(int)(Math.ceil((oldY + height) * scaleY)) - y;
+return this;
+}
+/**
+* Sets the parameters of this Rectangle from the Rectangle passed in and
+* returns this for convenience.
+*
+* @return  <code>this</code> for convenience
+* @param rect Rectangle providing the bounding values
+* @since 2.0
+*/
+public Rectangle setBounds(Rectangle rect) {
+x = rect.x;
+y = rect.y;
+width = rect.width;
+height = rect.height;
+return this;
+}
+/**
+* Sets the location of this Rectangle to the point given as input and returns
+* this for convenience.
+*
+* @return  <code>this</code> for convenience
+* @param p  New position of this Rectangle
+* @since 2.0
+*/
+public Rectangle setLocation(Point p) {
+x = p.x;
+y = p.y;
+return this;
+}
+/**
+* Sets the location of this Rectangle to the coordinates given as input and
+* returns this for convenience.
+*
+* @param x1  The new X coordinate
+* @param y1  The new Y coordinate
+* @return  <code>this</code> for convenience
+* @since 2.0
+*/
+public Rectangle setLocation(int x1, int y1) {
+x = x1;
+y = y1;
+return this;
+}
+/**
+* Sets the width and height of this Rectangle to the width and height of the
+* given Dimension and returns this for convenience.
+*
+* @param d  The new Dimension
+* @return  <code>this</code> for convenience
+* @since 2.0
+*/
+public Rectangle setSize(Dimension d) {
+width = d.width;
+height = d.height;
+return this;
+}
+/**
+* Sets the width of this Rectangle to <i>w</i> and the height of this
+* Rectangle to <i>h</i> and returns this for convenience.
+*
+* @return  <code>this</code> for convenience
+* @param w  The new width
+* @param h  The new height
+* @since 2.0
+*/
+public Rectangle setSize(int w, int h) {
+width = w;
+height = h;
+return this;
+}
+/**
+* Shrinks the sides of this Rectangle by the horizontal and vertical values
+* provided as input, and returns this Rectangle for convenience. The center of
+* this Rectangle is kept constant.
+*
+* @param h  Horizontal reduction amount
+* @param v  Vertical reduction amount
+* @return  <code>this</code> for convenience
+* @since 2.0
+*/
+public Rectangle shrink(int h, int v) {
+x += h;
+width -= (h + h);
+y += v;
+height -= (v + v);
+return this;
+}
+/**
+* Returns the description of this Rectangle.
+*
+* @return String containing the description
+* @since 2.0
+*/
+public override String toString() {
+return Format("Rectangle({}, {}, {}, {})", x, y, width, height );
+}
+/**
+* Returns <code>true</code> if the input Rectangle touches this Rectangle.
+*
+* @param rect  Rectangle being checked for contact
+* @return  <code>true</code> if rect touches this Rectangle
+* @since 2.0
+*/
+public bool touches(Rectangle rect) {
+return rect.x <= x + width
+&& rect.y <= y + height
+&& rect.x + rect.width >= x
+&& rect.y + rect.height >= y;
+}
+/**
+* Moves this Rectangle horizontally by the x value of the given Point and
+* vertically by the y value of the given Point, then returns this Rectangle for
+* convenience.
+*
+* @param p  Point which provides translation information
+* @return  <code>this</code> for convenience
+*/
+public Rectangle translate(Point p) {
+x += p.x;
+y += p.y;
+return this;
+}
+/**
+* Moves this Rectangle horizontally by dx and vertically by dy, then returns
+* this Rectangle for convenience.
+*
+* @param dx  Shift along X axis
+* @param dy  Shift along Y axis
+* @return  <code>this</code> for convenience
+* @since 2.0
+*/
+public Rectangle translate(int dx, int dy) {
+x += dx;
+y += dy;
+return this;
+}
+/**
+* Switches the x and y values, as well as the width and height of this Rectangle.
+* Useful for orientation changes.
+*
+* @return  <code>this</code> for convenience
+* @since 2.0
+*/
+public Rectangle transpose() {
+int temp = x;
+x = y;
+y = temp;
+temp = width;
+width = height;
+height = temp;
+return this;
+}
+/**
+* Unions this Rectangle's width and height with the specified Dimension.
+*
+* @param d Dimension being unioned
+* @return  <code>this</code> for convenience
+* @since 2.0
+*/
+public Rectangle union_(Dimension d) {
+width = Math.max(width, d.width);
+height = Math.max(height, d.height);
+return this;
+}
+/**
+* Updates this Rectangle's bounds to the minimum size which can hold both this
+* Rectangle and the coordinate (x,y).
+*
+* @return  <code>this</code> for convenience
+* @param x1 X coordinate
+* @param y1 Y coordinate
+* @since 2.0
+*/
+public Rectangle union_(int x1, int y1) {
+if (x1 < x) {
+width += (x - x1);
+x = x1;
+} else {
+int right = x + width;
+if (x1 >= right) {
+right = x1 + 1;
+width = right - x;
+}
+}
+if (y1 < y) {
+height += (y - y1);
+y = y1;
+} else {
+int bottom = y + height;
+if (y1 >= bottom) {
+bottom = y1 + 1;
+height = bottom - y;
+}
+}
+return this;
+}
+/**
+* Updates this Rectangle's bounds to the minimum size which can hold both this
+* Rectangle and the given Point.
+*
+* @param p  Point to be unioned with this Rectangle
+* @since 2.0
+*/
+public void union_(Point p) {
+union_(p.x, p.y);
+}
+/**
+* Updates this Rectangle's dimensions to the minimum size which can hold both
+* this Rectangle and the given Rectangle.
+*
+* @return  <code>this</code> for convenience
+* @param rect  Rectangle to be unioned with this Rectangle
+* @since 2.0
+*/
+public Rectangle union_(Rectangle rect) {
+if (rect is null)
+return this;
+return union_(rect.x, rect.y, rect.width, rect.height);
+}
+/**
+* Updates this Rectangle's dimensions to the minimum size which can hold both
+* this Rectangle and the rectangle (x, y, w, h).
+*
+* @param x X coordiante of desired union_.
+* @param y Y coordiante of desired union_.
+* @param w Width of desired union_.
+* @param h Height of desired union_.
+* @return  <code>this</code> for convenience
+* @since 2.0
+*/
+public Rectangle union_(int x, int y, int w, int h) {
+int right = Math.max(this.x + width, x + w);
+int bottom = Math.max(this.y + height, y + h);
+this.x = Math.min(this.x, x);
+this.y = Math.min(this.y, y);
+this.width = right - this.x;
+this.height = bottom - this.y;
+return this;
+}
+/**
+* Returns <code>double</code> x coordinate
+*
+* @return <code>double</code> x coordinate
+* @since 3.4
+*/
+public double preciseX() {
+return x;
+}
+/**
+* Returns <code>double</code> y coordinate
+*
+* @return <code>double</code> y coordinate
+* @since 3.4
+*/
+public double preciseY() {
+return y;
+}
+/**
+* Returns <code>double</code> width
+*
+* @return <code>double</code> width
+* @since 3.4
+*/
+public double preciseWidth() {
+return width;
+}
+/**
+* Returns <code>double</code> height
+*
+* @return <code>double</code> height
+* @since 3.4
+*/
+public double preciseHeight() {
+return height;
+}
+}

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comparison dwtx/draw2d/geometry/Rectangle.d @ 98:95307ad235d9