Package com.mxgraph.util
Class mxRectangle
java.lang.Object
com.mxgraph.util.mxPoint
com.mxgraph.util.mxRectangle
- All Implemented Interfaces:
Serializable
,Cloneable
- Direct Known Subclasses:
mxCellState
,mxGeometry
Implements a 2-dimensional rectangle with double precision coordinates.
- See Also:
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Field Summary
FieldsModifier and TypeFieldDescriptionprotected double
Holds the width and the height.protected double
Holds the width and the height. -
Constructor Summary
ConstructorsConstructorDescriptionConstructs a new rectangle at (0, 0) with the width and height set to 0.mxRectangle
(double x, double y, double width, double height) Constructs a rectangle using the given parameters.mxRectangle
(mxRectangle rect) Constructs a copy of the given rectangle.mxRectangle
(Rectangle2D rect) Constructs a copy of the given rectangle. -
Method Summary
Modifier and TypeMethodDescriptionvoid
add
(mxRectangle rect) Adds the given rectangle to this rectangle.clone()
Returns a new instance of the same rectangle.boolean
contains
(double x, double y) Returns true if the given point is contained in the rectangle.boolean
Returns true if the given object equals this rectangle.double
Returns the x-coordinate of the center.double
Returns the y-coordinate of the center.double
Returns the height of the rectangle.Returns the bounds as a new rectangle.double
getWidth()
Returns the width of the rectangle.void
grow
(double amount) Grows the rectangle by the given amount, that is, this method subtracts the given amount from the x- and y-coordinates and adds twice the amount to the width and height.intersectLine
(double x0, double y0, double x1, double y1) Returns the point at which the specified point intersects the perimeter of this rectangle or null if there is no intersection.void
rotate90()
Rotates this rectangle by 90 degree around its center point.void
setHeight
(double value) Sets the height of the rectangle.void
setRect
(double x, double y, double w, double h) Sets this rectangle to the specified valuesvoid
setWidth
(double value) Sets the width of the rectangle.toString()
Returns theString
representation of thismxRectangle
.
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Field Details
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width
protected double widthHolds the width and the height. Default is 0. -
height
protected double heightHolds the width and the height. Default is 0.
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Constructor Details
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mxRectangle
public mxRectangle()Constructs a new rectangle at (0, 0) with the width and height set to 0. -
mxRectangle
Constructs a copy of the given rectangle.- Parameters:
rect
- Rectangle to construct a copy of.
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mxRectangle
Constructs a copy of the given rectangle.- Parameters:
rect
- Rectangle to construct a copy of.
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mxRectangle
public mxRectangle(double x, double y, double width, double height) Constructs a rectangle using the given parameters.- Parameters:
x
- X-coordinate of the new rectangle.y
- Y-coordinate of the new rectangle.width
- Width of the new rectangle.height
- Height of the new rectangle.
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Method Details
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getWidth
public double getWidth()Returns the width of the rectangle.- Returns:
- Returns the width.
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setWidth
public void setWidth(double value) Sets the width of the rectangle.- Parameters:
value
- Double that specifies the new width.
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getHeight
public double getHeight()Returns the height of the rectangle.- Returns:
- Returns the height.
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setHeight
public void setHeight(double value) Sets the height of the rectangle.- Parameters:
value
- Double that specifies the new height.
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setRect
public void setRect(double x, double y, double w, double h) Sets this rectangle to the specified values- Parameters:
x
- the new x-axis positiony
- the new y-axis positionw
- the new width of the rectangleh
- the new height of the rectangle
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add
Adds the given rectangle to this rectangle. -
getCenterX
public double getCenterX()Returns the x-coordinate of the center.- Returns:
- Returns the x-coordinate of the center.
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getCenterY
public double getCenterY()Returns the y-coordinate of the center.- Returns:
- Returns the y-coordinate of the center.
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grow
public void grow(double amount) Grows the rectangle by the given amount, that is, this method subtracts the given amount from the x- and y-coordinates and adds twice the amount to the width and height.- Parameters:
amount
- Amount by which the rectangle should be grown.
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contains
public boolean contains(double x, double y) Returns true if the given point is contained in the rectangle.- Parameters:
x
- X-coordinate of the point.y
- Y-coordinate of the point.- Returns:
- Returns true if the point is contained in the rectangle.
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intersectLine
Returns the point at which the specified point intersects the perimeter of this rectangle or null if there is no intersection.- Parameters:
x0
- the x co-ordinate of the first point of the liney0
- the y co-ordinate of the first point of the linex1
- the x co-ordinate of the second point of the liney1
- the y co-ordinate of the second point of the line- Returns:
- the point at which the line intersects this rectangle, or null if there is no intersection
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getRectangle
Returns the bounds as a new rectangle.- Returns:
- Returns a new rectangle for the bounds.
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rotate90
public void rotate90()Rotates this rectangle by 90 degree around its center point. -
equals
Returns true if the given object equals this rectangle. -
clone
Returns a new instance of the same rectangle. -
toString
Returns theString
representation of thismxRectangle
.
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