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