201 lines
3.5 KiB
Markdown
201 lines
3.5 KiB
Markdown
---
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id: "qpoint"
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title: "QPoint"
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sidebar_label: "QPoint"
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---
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The QPoint class defines a point in the plane using integer precision.
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## Hierarchy
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* [Component](component.md)
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↳ **QPoint**
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## Index
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### Constructors
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* [constructor](qpoint.md#constructor)
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### Properties
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* [native](qpoint.md#native)
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* [nodeChildren](qpoint.md#nodechildren)
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* [nodeParent](qpoint.md#optional-nodeparent)
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### Methods
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* [isNull](qpoint.md#isnull)
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* [manhattanLength](qpoint.md#manhattanlength)
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* [setNodeParent](qpoint.md#setnodeparent)
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* [setX](qpoint.md#setx)
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* [setY](qpoint.md#sety)
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* [transposed](qpoint.md#transposed)
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* [x](qpoint.md#x)
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* [y](qpoint.md#y)
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* [fromQVariant](qpoint.md#static-fromqvariant)
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## Constructors
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### constructor
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\+ **new QPoint**(): *[QPoint](qpoint.md)*
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*Overrides [Component](component.md).[constructor](component.md#constructor)*
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**Returns:** *[QPoint](qpoint.md)*
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\+ **new QPoint**(`nativeElement`: [NativeElement](../globals.md#nativeelement)): *[QPoint](qpoint.md)*
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*Overrides [Component](component.md).[constructor](component.md#constructor)*
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**Parameters:**
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Name | Type |
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------ | ------ |
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`nativeElement` | [NativeElement](../globals.md#nativeelement) |
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**Returns:** *[QPoint](qpoint.md)*
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\+ **new QPoint**(`x?`: undefined | number, `y?`: undefined | number): *[QPoint](qpoint.md)*
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*Overrides [Component](component.md).[constructor](component.md#constructor)*
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**Parameters:**
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Name | Type |
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------ | ------ |
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`x?` | undefined | number |
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`y?` | undefined | number |
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**Returns:** *[QPoint](qpoint.md)*
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## Properties
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### native
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• **native**: *[NativeElement](../globals.md#nativeelement)*
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*Overrides [Component](component.md).[native](component.md#abstract-native)*
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___
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### nodeChildren
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• **nodeChildren**: *Set‹[Component](component.md)›*
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*Inherited from [Component](component.md).[nodeChildren](component.md#nodechildren)*
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___
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### `Optional` nodeParent
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• **nodeParent**? : *[Component](component.md)*
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*Inherited from [Component](component.md).[nodeParent](component.md#optional-nodeparent)*
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## Methods
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### isNull
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▸ **isNull**(): *boolean*
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Returns true if both the x and y coordinates are set to 0.0 (ignoring the sign); otherwise returns false.
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**Returns:** *boolean*
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___
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### manhattanLength
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▸ **manhattanLength**(): *number*
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Returns the sum of the absolute values of x() and y(), traditionally known as the "Manhattan length" of the vector from the origin to the point.
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**Returns:** *number*
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___
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### setNodeParent
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▸ **setNodeParent**(`parent?`: [Component](component.md)): *void*
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*Inherited from [Component](component.md).[setNodeParent](component.md#setnodeparent)*
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**Parameters:**
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Name | Type |
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------ | ------ |
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`parent?` | [Component](component.md) |
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**Returns:** *void*
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___
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### setX
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▸ **setX**(`value`: number): *void*
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**Parameters:**
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Name | Type |
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------ | ------ |
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`value` | number |
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**Returns:** *void*
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___
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### setY
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▸ **setY**(`value`: number): *void*
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**Parameters:**
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Name | Type |
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------ | ------ |
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`value` | number |
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**Returns:** *void*
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___
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### transposed
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▸ **transposed**(): *[QPoint](qpoint.md)*
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Returns a point with x and y coordinates exchanged
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**Returns:** *[QPoint](qpoint.md)*
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___
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### x
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▸ **x**(): *number*
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**Returns:** *number*
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___
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### y
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▸ **y**(): *number*
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**Returns:** *number*
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___
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### `Static` fromQVariant
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▸ **fromQVariant**(`variant`: [QVariant](qvariant.md)): *[QPoint](qpoint.md)*
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**Parameters:**
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Name | Type |
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------ | ------ |
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`variant` | [QVariant](qvariant.md) |
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**Returns:** *[QPoint](qpoint.md)*
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