LayoutStrategy
Exposes a main public method calcLayoutResult that is used by the LayoutManager
to perform layout.
Returning undefined
signals the LayoutManager
to skip the layout.
In charge of calculating the bounding box of the passed objects.
Extended by
Constructors
new LayoutStrategy()
new LayoutStrategy():
LayoutStrategy
Returns
Properties
type
static
type:string
='strategy'
override by subclass for persistence (TS does not support static abstract
)
Defined in
src/LayoutManager/LayoutStrategies/LayoutStrategy.ts:25
Methods
calcBoundingBox()
calcBoundingBox(
objects
,context
):undefined
|LayoutStrategyResult
Override this method to customize layout.
Parameters
• objects: FabricObject
<Partial
<FabricObjectProps
>, SerializedObjectProps
, ObjectEvents
>[]
• context: StrictLayoutContext
Returns
undefined
| LayoutStrategyResult
Defined in
src/LayoutManager/LayoutStrategies/LayoutStrategy.ts:68
calcLayoutResult()
calcLayoutResult(
context
,objects
):undefined
|LayoutStrategyResult
Used by the LayoutManager
to perform layout
@TODO/fix: if this method is calcResult, should calc unconditionally.
the condition to not calc should be evaluated by the layoutManager.
Parameters
• context: StrictLayoutContext
• objects: FabricObject
<Partial
<FabricObjectProps
>, SerializedObjectProps
, ObjectEvents
>[]
Returns
undefined
| LayoutStrategyResult
layout result OR undefined
to skip layout
Defined in
src/LayoutManager/LayoutStrategies/LayoutStrategy.ts:33
getInitialSize()
getInitialSize(
context
,result
):Point
Parameters
• context: StrictLayoutContext
& CommonLayoutContext
& object
• result: Pick
<LayoutStrategyResult
, "center"
| "size"
>
Returns
Defined in
src/LayoutManager/LayoutStrategies/LayoutStrategy.ts:58
shouldLayoutClipPath()
shouldLayoutClipPath(
__namedParameters
):undefined
|boolean
Parameters
• __namedParameters: StrictLayoutContext
Returns
undefined
| boolean
Defined in
src/LayoutManager/LayoutStrategies/LayoutStrategy.ts:50
shouldPerformLayout()
shouldPerformLayout(
__namedParameters
):boolean
Parameters
• __namedParameters: StrictLayoutContext
Returns
boolean