Quadrangle
Source: Recognition.
Stores a set of four Points that represent a Quadrangle region.
Property
new Quadrangle(leftTop, rightTop, rightBottom, leftBottom)
Initializes a new instance of the Quadrangle structure with the describing points.
Parameters
| Name | Type | Optional | Description |
|---|---|---|---|
|
leftTop |
|
|
A Point that represents the left-top corner of the Quadrangle. |
|
rightTop |
|
|
A Point that represents the right-top corner of the Quadrangle. |
|
rightBottom |
|
|
A Point that represents the right-bottom corner of the Quadrangle. |
|
leftBottom |
|
|
A Point that represents the left-bottom corner of the Quadrangle. |
Property
EMPTY
Represents a Quadrangle structure with its properties left uninitialized.Value: Quadrangle
Methods
contains(pt)
Determines if the specified Point is contained within this Quadrangle structure.
Parameter
| Name | Type | Optional | Description |
|---|---|---|---|
|
pt |
|
|
The Point to test. |
- Returns
-
true if Point is contained within this Quadrangle structure; otherwise, false.
containsPoint(x, y)
Determines if the specified point is contained within this Quadrangle structure.
Parameters
| Name | Type | Optional | Description |
|---|---|---|---|
|
x |
|
|
The x point cordinate. |
|
y |
|
|
The y point cordinate. |
- Returns
-
Returns true if point is contained within this Quadrangle structure; otherwise, false.
containsQuadrangle(quad)
Determines if the specified Quadrangle is contained or intersect this Quadrangle structure.
Parameter
| Name | Type | Optional | Description |
|---|---|---|---|
|
quad |
|
|
The Quadrangle to test. |
- Returns
-
Returns true if Quadrangle is contained or intersect this Quadrangle structure; otherwise, false.
containsRectangle(rect)
Determines if the specified Rectangle is contained or intersect this Quadrangle structure.
Parameter
| Name | Type | Optional | Description |
|---|---|---|---|
|
rect |
|
|
The Rectangle to test. |
- Returns
-
Returns true if Rectangle is contained or intersect this Quadrangle structure; otherwise, false.
equals(other)
Returns a value indicating whether this instance is equal to a specified Quadrangle value.
Parameter
| Name | Type | Optional | Description |
|---|---|---|---|
|
other |
|
|
An Quadrangle value to compare to this instance. |
- Returns
-
true if obj has the same value as this instance; otherwise, false.
getBoundingRectangle()
Creates Rectangle bounding this Quadrangle
- Returns
-
returns Rectangle bounding this Quadrangle
getLeftBottom()
Gets left-bottom corner Point of Quadrangle regionValue: A left-bottom corner Point of Quadrangle region
getLeftTop()
Gets left-top corner Point of Quadrangle regionValue: A left-top corner Point of Quadrangle region
getRightBottom()
Gets right-bottom corner Point of Quadrangle regionValue: A right-bottom corner Point of Quadrangle region
getRightTop()
Gets right-top corner Point of Quadrangle regionValue: A right-top corner Point of Quadrangle region
hashCode()
Returns the hash code for this instance.
- Returns
-
A 32-bit signed integer hash code.
isEmpty()
Tests whether all Points of this Quadrangle have values of zero.Value: Returns true if all Points of this Quadrangle have values of zero; otherwise, false.
setLeftBottom()
Sets left-bottom corner Point of Quadrangle regionValue: A left-bottom corner Point of Quadrangle region
setLeftTop()
Sets left-top corner Point of Quadrangle regionValue: A left-top corner Point of Quadrangle region
setRightBottom()
Sets right-bottom corner Point of Quadrangle regionValue: A right-bottom corner Point of Quadrangle region
setRightTop()
Sets right-top corner Point of Quadrangle regionValue: A right-top corner Point of Quadrangle region
toString()
Returns a human-readable string representation of this Quadrangle.
- Returns
-
A string that represents this Quadrangle.