Class: LeaferCanvasBase

Hierarchy

• Canvas

  ↳ LeaferCanvasBase

  ↳↳ LeaferCanvas

Implements

• ILeaferCanvas

Table of contents

Constructors

• constructor

Properties

• context
• smooth
• smoothLevel
• opacity
• fillStyle
• strokeStyle
• strokeWidth
• strokeCap
• strokeJoin
• dashOffset
• miterLimit
• shadowBlur
• shadowColor
• shadowOffsetX
• shadowOffsetY
• filter
• font
• fontKerning
• fontStretch
• fontVariantCaps
• textAlign
• textBaseline
• textRendering
• wordSpacing
• letterSpacing
• direction
• innerId
• name
• manager
• size
• bounds
• clientBounds
• config
• autoLayout
• view
• parentView
• unreal
• recycled
• worldTransform
• savedBlendMode

Accessors

• blendMode
• dashPattern
• width
• height
• pixelRatio
• pixelWidth
• pixelHeight
• pixelSnap
• allowBackgroundColor

Methods

• __bindContext
• setTransform
• resetTransform
• getTransform
• save
• restore
• transform
• translate
• scale
• rotate
• fill
• stroke
• clip
• fillRect
• strokeRect
• clearRect
• drawImage
• beginPath
• moveTo
• lineTo
• bezierCurveTo
• quadraticCurveTo
• closePath
• arc
• arcTo
• ellipse
• rect
• roundRect
• createConicGradient
• createLinearGradient
• createPattern
• createRadialGradient
• fillText
• measureText
• strokeText
• init
• __createContext
• export
• toBlob
• toDataURL
• saveAs
• resize
• updateViewSize
• updateClientBounds
• getClientBounds
• startAutoLayout
• stopAutoLayout
• setCursor
• setWorld
• useWorldTransform
• setStroke
• setStrokeOptions
• saveBlendMode
• restoreBlendMode
• hitFill
• hitStroke
• hitPixel
• setWorldShadow
• setWorldBlur
• copyWorld
• copyWorldToInner
• copyWorldByReset
• useGrayscaleAlpha
• useMask
• useEraser
• fillWorld
• strokeWorld
• clipWorld
• clipUI
• clearWorld
• clear
• setTempPixelBounds
• setTempPixelBounds2
• copyToPixelBounds
• isSameSize
• getSameCanvas
• recycle
• updateRender
• unrealCanvas
• destroy

Constructors

constructor

• new LeaferCanvasBase(config?, manager?): LeaferCanvasBase

Parameters

Name	Type
config?	ILeaferCanvasConfig
manager?	ICanvasManager

Returns

LeaferCanvasBase

Overrides

Canvas.constructor

Defined in

src/leafer/packages/canvas/canvas/src/LeaferCanvasBase.ts:54

Properties

context

• context: ICanvasContext2D

Implementation of

ILeaferCanvas.context

Inherited from

Canvas.context

Defined in

src/leafer/packages/canvas/canvas/src/Canvas.ts:31

---

smooth

• smooth: boolean

Implementation of

ILeaferCanvas.smooth

Inherited from

Canvas.smooth

Defined in

src/leafer/packages/canvas/canvas/src/Canvas.ts:36

---

smoothLevel

• smoothLevel: ImageSmoothingQuality

Implementation of

ILeaferCanvas.smoothLevel

Inherited from

Canvas.smoothLevel

Defined in

src/leafer/packages/canvas/canvas/src/Canvas.ts:39

---

opacity

• opacity: number

Implementation of

ILeaferCanvas.opacity

Inherited from

Canvas.opacity

Defined in

src/leafer/packages/canvas/canvas/src/Canvas.ts:42

---

fillStyle

• fillStyle: string | object

Implementation of

ILeaferCanvas.fillStyle

Inherited from

Canvas.fillStyle

Defined in

src/leafer/packages/canvas/canvas/src/Canvas.ts:54

---

strokeStyle

• strokeStyle: string | object

Implementation of

ILeaferCanvas.strokeStyle

Inherited from

Canvas.strokeStyle

Defined in

src/leafer/packages/canvas/canvas/src/Canvas.ts:57

---

strokeWidth

• strokeWidth: number

Implementation of

ILeaferCanvas.strokeWidth

Inherited from

Canvas.strokeWidth

Defined in

src/leafer/packages/canvas/canvas/src/Canvas.ts:61

---

strokeCap

• strokeCap: string

Implementation of

ILeaferCanvas.strokeCap

Inherited from

Canvas.strokeCap

Defined in

src/leafer/packages/canvas/canvas/src/Canvas.ts:64

---

strokeJoin

• strokeJoin: string

Implementation of

ILeaferCanvas.strokeJoin

Inherited from

Canvas.strokeJoin

Defined in

src/leafer/packages/canvas/canvas/src/Canvas.ts:67

---

dashOffset

• dashOffset: number

Implementation of

ILeaferCanvas.dashOffset

Inherited from

Canvas.dashOffset

Defined in

src/leafer/packages/canvas/canvas/src/Canvas.ts:77

---

miterLimit

• miterLimit: number

Implementation of

ILeaferCanvas.miterLimit

Inherited from

Canvas.miterLimit

Defined in

src/leafer/packages/canvas/canvas/src/Canvas.ts:80

---

shadowBlur

• shadowBlur: number

Implementation of

ILeaferCanvas.shadowBlur

Inherited from

Canvas.shadowBlur

Defined in

src/leafer/packages/canvas/canvas/src/Canvas.ts:84

---

shadowColor

• shadowColor: string

Implementation of

ILeaferCanvas.shadowColor

Inherited from

Canvas.shadowColor

Defined in

src/leafer/packages/canvas/canvas/src/Canvas.ts:87

---

shadowOffsetX

• shadowOffsetX: number

Implementation of

ILeaferCanvas.shadowOffsetX

Inherited from

Canvas.shadowOffsetX

Defined in

src/leafer/packages/canvas/canvas/src/Canvas.ts:90

---

shadowOffsetY

• shadowOffsetY: number

Implementation of

ILeaferCanvas.shadowOffsetY

Inherited from

Canvas.shadowOffsetY

Defined in

src/leafer/packages/canvas/canvas/src/Canvas.ts:93

---

filter

• filter: string

Implementation of

ILeaferCanvas.filter

Inherited from

Canvas.filter

Defined in

src/leafer/packages/canvas/canvas/src/Canvas.ts:96

---

font

• font: string

Implementation of

ILeaferCanvas.font

Inherited from

Canvas.font

Defined in

src/leafer/packages/canvas/canvas/src/Canvas.ts:100

---

fontKerning

• fontKerning: string

Implementation of

ILeaferCanvas.fontKerning

Inherited from

Canvas.fontKerning

Defined in

src/leafer/packages/canvas/canvas/src/Canvas.ts:103

---

fontStretch

• fontStretch: string

Implementation of

ILeaferCanvas.fontStretch

Inherited from

Canvas.fontStretch

Defined in

src/leafer/packages/canvas/canvas/src/Canvas.ts:106

---

fontVariantCaps

• fontVariantCaps: string

Implementation of

ILeaferCanvas.fontVariantCaps

Inherited from

Canvas.fontVariantCaps

Defined in

src/leafer/packages/canvas/canvas/src/Canvas.ts:109

---

textAlign

• textAlign: string

Implementation of

ILeaferCanvas.textAlign

Inherited from

Canvas.textAlign

Defined in

src/leafer/packages/canvas/canvas/src/Canvas.ts:113

---

textBaseline

• textBaseline: string

Implementation of

ILeaferCanvas.textBaseline

Inherited from

Canvas.textBaseline

Defined in

src/leafer/packages/canvas/canvas/src/Canvas.ts:116

---

textRendering

• textRendering: string

Implementation of

ILeaferCanvas.textRendering

Inherited from

Canvas.textRendering

Defined in

src/leafer/packages/canvas/canvas/src/Canvas.ts:119

---

wordSpacing

• wordSpacing: string

Implementation of

ILeaferCanvas.wordSpacing

Inherited from

Canvas.wordSpacing

Defined in

src/leafer/packages/canvas/canvas/src/Canvas.ts:122

---

letterSpacing

• letterSpacing: string

Implementation of

ILeaferCanvas.letterSpacing

Inherited from

Canvas.letterSpacing

Defined in

src/leafer/packages/canvas/canvas/src/Canvas.ts:125

---

direction

• direction: string

Implementation of

ILeaferCanvas.direction

Inherited from

Canvas.direction

Defined in

src/leafer/packages/canvas/canvas/src/Canvas.ts:129

---

innerId

• Readonly innerId: number

Implementation of

ILeaferCanvas.innerId

Overrides

Canvas.innerId

Defined in

src/leafer/packages/canvas/canvas/src/LeaferCanvasBase.ts:16

---

name

• name: string

Implementation of

ILeaferCanvas.name

Defined in

src/leafer/packages/canvas/canvas/src/LeaferCanvasBase.ts:18

---

manager

• manager: ICanvasManager

Implementation of

ILeaferCanvas.manager

Defined in

src/leafer/packages/canvas/canvas/src/LeaferCanvasBase.ts:20

---

size

• size: IScreenSizeData

Defined in

src/leafer/packages/canvas/canvas/src/LeaferCanvasBase.ts:22

---

bounds

• bounds: IBounds

Implementation of

ILeaferCanvas.bounds

Defined in

src/leafer/packages/canvas/canvas/src/LeaferCanvasBase.ts:36

---

clientBounds

• clientBounds: IBoundsData

Implementation of

ILeaferCanvas.clientBounds

Defined in

src/leafer/packages/canvas/canvas/src/LeaferCanvasBase.ts:37

---

config

• config: ILeaferCanvasConfig

Implementation of

ILeaferCanvas.config

Defined in

src/leafer/packages/canvas/canvas/src/LeaferCanvasBase.ts:39

---

autoLayout

• autoLayout: boolean

Implementation of

ILeaferCanvas.autoLayout

Defined in

src/leafer/packages/canvas/canvas/src/LeaferCanvasBase.ts:41

---

view

• view: any

Implementation of

ILeaferCanvas.view

Defined in

src/leafer/packages/canvas/canvas/src/LeaferCanvasBase.ts:43

---

parentView

• parentView: any

Implementation of

ILeaferCanvas.parentView

Defined in

src/leafer/packages/canvas/canvas/src/LeaferCanvasBase.ts:44

---

unreal

• Optional unreal: boolean

Implementation of

ILeaferCanvas.unreal

Defined in

src/leafer/packages/canvas/canvas/src/LeaferCanvasBase.ts:46

---

recycled

• Optional recycled: boolean

Implementation of

ILeaferCanvas.recycled

Defined in

src/leafer/packages/canvas/canvas/src/LeaferCanvasBase.ts:48

---

worldTransform

• worldTransform: IMatrixData

Implementation of

ILeaferCanvas.worldTransform

Defined in

src/leafer/packages/canvas/canvas/src/LeaferCanvasBase.ts:50

---

savedBlendMode

• Protected savedBlendMode: IBlendMode

Defined in

src/leafer/packages/canvas/canvas/src/LeaferCanvasBase.ts:52

Accessors

blendMode

• get blendMode(): IBlendMode

Returns

IBlendMode

Implementation of

ILeaferCanvas.blendMode

Inherited from

Canvas.blendMode

Defined in

src/leafer/packages/canvas/canvas/src/Canvas.ts:49

• set blendMode(value): void

Parameters

Name	Type
value	IBlendMode

Returns

void

Implementation of

ILeaferCanvas.blendMode

Inherited from

Canvas.blendMode

Defined in

src/leafer/packages/canvas/canvas/src/Canvas.ts:44

---

dashPattern

• get dashPattern(): number[]

Returns

number[]

Implementation of

ILeaferCanvas.dashPattern

Inherited from

Canvas.dashPattern

Defined in

src/leafer/packages/canvas/canvas/src/Canvas.ts:72

• set dashPattern(value): void

Parameters

Name	Type
value	number[]

Returns

void

Implementation of

ILeaferCanvas.dashPattern

Inherited from

Canvas.dashPattern

Defined in

src/leafer/packages/canvas/canvas/src/Canvas.ts:69

---

width

• get width(): number

Returns

number

Implementation of

ILeaferCanvas.width

Defined in

src/leafer/packages/canvas/canvas/src/LeaferCanvasBase.ts:24

---

height

• get height(): number

Returns

number

Implementation of

ILeaferCanvas.height

Defined in

src/leafer/packages/canvas/canvas/src/LeaferCanvasBase.ts:25

---

pixelRatio

• get pixelRatio(): number

Returns

number

Implementation of

ILeaferCanvas.pixelRatio

Defined in

src/leafer/packages/canvas/canvas/src/LeaferCanvasBase.ts:27

---

pixelWidth

• get pixelWidth(): number

Returns

number

Implementation of

ILeaferCanvas.pixelWidth

Defined in

src/leafer/packages/canvas/canvas/src/LeaferCanvasBase.ts:28

---

pixelHeight

• get pixelHeight(): number

Returns

number

Implementation of

ILeaferCanvas.pixelHeight

Defined in

src/leafer/packages/canvas/canvas/src/LeaferCanvasBase.ts:29

---

pixelSnap

• get pixelSnap(): boolean

Returns

boolean

Implementation of

ILeaferCanvas.pixelSnap

Defined in

src/leafer/packages/canvas/canvas/src/LeaferCanvasBase.ts:31

• set pixelSnap(value): void

Parameters

Name	Type
value	boolean

Returns

void

Implementation of

ILeaferCanvas.pixelSnap

Defined in

src/leafer/packages/canvas/canvas/src/LeaferCanvasBase.ts:32

---

allowBackgroundColor

• get allowBackgroundColor(): boolean

Returns

boolean

Implementation of

ILeaferCanvas.allowBackgroundColor

Defined in

src/leafer/packages/canvas/canvas/src/LeaferCanvasBase.ts:34

Methods

__bindContext

▸ __bindContext(): void

Returns

void

Inherited from

Canvas.__bindContext

Defined in

src/leafer/packages/canvas/canvas/src/Canvas.ts:133

---

setTransform

▸ setTransform(_a, _b?, _c?, _d?, _e?, _f?): void

Parameters

Name	Type
_a	number | IMatrixData
_b?	number
_c?	number
_d?	number
_e?	number
_f?	number

Returns

void

Implementation of

ILeaferCanvas.setTransform

Inherited from

Canvas.setTransform

Defined in

src/leafer/packages/canvas/canvas/src/Canvas.ts:145

---

resetTransform

▸ resetTransform(): void

Returns

void

Implementation of

ILeaferCanvas.resetTransform

Inherited from

Canvas.resetTransform

Defined in

src/leafer/packages/canvas/canvas/src/Canvas.ts:148

---

getTransform

▸ getTransform(): IMatrixData

Returns

IMatrixData

Implementation of

ILeaferCanvas.getTransform

Inherited from

Canvas.getTransform

Defined in

src/leafer/packages/canvas/canvas/src/Canvas.ts:151

---

save

▸ save(): void

Returns

void

Implementation of

ILeaferCanvas.save

Inherited from

Canvas.save

Defined in

src/leafer/packages/canvas/canvas/src/Canvas.ts:154

---

restore

▸ restore(): void

Returns

void

Implementation of

ILeaferCanvas.restore

Inherited from

Canvas.restore

Defined in

src/leafer/packages/canvas/canvas/src/Canvas.ts:157

---

transform

▸ transform(a, b?, c?, d?, e?, f?): void

Parameters

Name	Type
a	number | IMatrixData
b?	number
c?	number
d?	number
e?	number
f?	number

Returns

void

Implementation of

ILeaferCanvas.transform

Inherited from

Canvas.transform

Defined in

src/leafer/packages/canvas/canvas/src/Canvas.ts:159

---

translate

▸ translate(_x, _y): void

Parameters

Name	Type
_x	number
_y	number

Returns

void

Implementation of

ILeaferCanvas.translate

Inherited from

Canvas.translate

Defined in

src/leafer/packages/canvas/canvas/src/Canvas.ts:168

---

scale

▸ scale(_x, _y): void

Parameters

Name	Type
_x	number
_y	number

Returns

void

Implementation of

ILeaferCanvas.scale

Inherited from

Canvas.scale

Defined in

src/leafer/packages/canvas/canvas/src/Canvas.ts:171

---

rotate

▸ rotate(_angle): void

Parameters

Name	Type
_angle	number

Returns

void

Implementation of

ILeaferCanvas.rotate

Inherited from

Canvas.rotate

Defined in

src/leafer/packages/canvas/canvas/src/Canvas.ts:174

---

fill

▸ fill(_path2d?, _rule?): void

Parameters

Name	Type
_path2d?	IWindingRule | IPath2D
_rule?	IWindingRule

Returns

void

Implementation of

ILeaferCanvas.fill

Inherited from

Canvas.fill

Defined in

src/leafer/packages/canvas/canvas/src/Canvas.ts:177

---

stroke

▸ stroke(_path2d?): void

Parameters

Name	Type
_path2d?	IPath2D

Returns

void

Implementation of

ILeaferCanvas.stroke

Inherited from

Canvas.stroke

Defined in

src/leafer/packages/canvas/canvas/src/Canvas.ts:180

---

clip

▸ clip(_path2d?, _rule?): void

Parameters

Name	Type
_path2d?	IWindingRule | IPath2D
_rule?	IWindingRule

Returns

void

Implementation of

ILeaferCanvas.clip

Inherited from

Canvas.clip

Defined in

src/leafer/packages/canvas/canvas/src/Canvas.ts:183

---

fillRect

▸ fillRect(_x, _y, _width, _height): void

Parameters

Name	Type
_x	number
_y	number
_width	number
_height	number

Returns

void

Implementation of

ILeaferCanvas.fillRect

Inherited from

Canvas.fillRect

Defined in

src/leafer/packages/canvas/canvas/src/Canvas.ts:186

---

strokeRect

▸ strokeRect(_x, _y, _width, _height): void

Parameters

Name	Type
_x	number
_y	number
_width	number
_height	number

Returns

void

Implementation of

ILeaferCanvas.strokeRect

Inherited from

Canvas.strokeRect

Defined in

src/leafer/packages/canvas/canvas/src/Canvas.ts:189

---

clearRect

▸ clearRect(_x, _y, _width, _height): void

Parameters

Name	Type
_x	number
_y	number
_width	number
_height	number

Returns

void

Implementation of

ILeaferCanvas.clearRect

Inherited from

Canvas.clearRect

Defined in

src/leafer/packages/canvas/canvas/src/Canvas.ts:192

---

drawImage

▸ drawImage(image, sx, sy, sw?, sh?, dx?, dy?, dw?, dh?): void

Parameters

Name	Type
image	CanvasImageSource
sx	number
sy	number
sw?	number
sh?	number
dx?	number
dy?	number
dw?	number
dh?	number

Returns

void

Implementation of

ILeaferCanvas.drawImage

Inherited from

Canvas.drawImage

Defined in

src/leafer/packages/canvas/canvas/src/Canvas.ts:194

---

beginPath

▸ beginPath(): void

Returns

void

Implementation of

ILeaferCanvas.beginPath

Inherited from

Canvas.beginPath

Defined in

src/leafer/packages/canvas/canvas/src/Canvas.ts:228

---

moveTo

▸ moveTo(_x, _y): void

Parameters

Name	Type
_x	number
_y	number

Returns

void

Implementation of

ILeaferCanvas.moveTo

Inherited from

Canvas.moveTo

Defined in

src/leafer/packages/canvas/canvas/src/Canvas.ts:231

---

lineTo

▸ lineTo(_x, _y): void

Parameters

Name	Type
_x	number
_y	number

Returns

void

Implementation of

ILeaferCanvas.lineTo

Inherited from

Canvas.lineTo

Defined in

src/leafer/packages/canvas/canvas/src/Canvas.ts:234

---

bezierCurveTo

▸ bezierCurveTo(_cp1x, _cp1y, _cp2x, _cp2y, _x, _y): void

Parameters

Name	Type
_cp1x	number
_cp1y	number
_cp2x	number
_cp2y	number
_x	number
_y	number

Returns

void

Implementation of

ILeaferCanvas.bezierCurveTo

Inherited from

Canvas.bezierCurveTo

Defined in

src/leafer/packages/canvas/canvas/src/Canvas.ts:237

---

quadraticCurveTo

▸ quadraticCurveTo(_cpx, _cpy, _x, _y): void

Parameters

Name	Type
_cpx	number
_cpy	number
_x	number
_y	number

Returns

void

Implementation of

ILeaferCanvas.quadraticCurveTo

Inherited from

Canvas.quadraticCurveTo

Defined in

src/leafer/packages/canvas/canvas/src/Canvas.ts:240

---

closePath

▸ closePath(): void

Returns

void

Implementation of

ILeaferCanvas.closePath

Inherited from

Canvas.closePath

Defined in

src/leafer/packages/canvas/canvas/src/Canvas.ts:243

---

arc

▸ arc(_x, _y, _radius, _startAngle, _endAngle, _anticlockwise?): void

Parameters

Name	Type
_x	number
_y	number
_radius	number
_startAngle	number
_endAngle	number
_anticlockwise?	boolean

Returns

void

Implementation of

ILeaferCanvas.arc

Inherited from

Canvas.arc

Defined in

src/leafer/packages/canvas/canvas/src/Canvas.ts:246

---

arcTo

▸ arcTo(_x1, _y1, _x2, _y2, _radius): void

Parameters

Name	Type
_x1	number
_y1	number
_x2	number
_y2	number
_radius	number

Returns

void

Implementation of

ILeaferCanvas.arcTo

Inherited from

Canvas.arcTo

Defined in

src/leafer/packages/canvas/canvas/src/Canvas.ts:249

---

ellipse

▸ ellipse(_x, _y, _radiusX, _radiusY, _rotation, _startAngle, _endAngle, _anticlockwise?): void

Parameters

Name	Type
_x	number
_y	number
_radiusX	number
_radiusY	number
_rotation	number
_startAngle	number
_endAngle	number
_anticlockwise?	boolean

Returns

void

Implementation of

ILeaferCanvas.ellipse

Inherited from

Canvas.ellipse

Defined in

src/leafer/packages/canvas/canvas/src/Canvas.ts:252

---

rect

▸ rect(_x, _y, _width, _height): void

Parameters

Name	Type
_x	number
_y	number
_width	number
_height	number

Returns

void

Implementation of

ILeaferCanvas.rect

Inherited from

Canvas.rect

Defined in

src/leafer/packages/canvas/canvas/src/Canvas.ts:255

---

roundRect

▸ roundRect(_x, _y, _width, _height, _radius?): void

Parameters

Name	Type
_x	number
_y	number
_width	number
_height	number
_radius?	number | number[]

Returns

void

Implementation of

ILeaferCanvas.roundRect

Inherited from

Canvas.roundRect

Defined in

src/leafer/packages/canvas/canvas/src/Canvas.ts:258

---

createConicGradient

▸ createConicGradient(_startAngle, _x, _y): CanvasGradient

Parameters

Name	Type
_startAngle	number
_x	number
_y	number

Returns

CanvasGradient

Implementation of

ILeaferCanvas.createConicGradient

Inherited from

Canvas.createConicGradient

Defined in

src/leafer/packages/canvas/canvas/src/Canvas.ts:265

---

createLinearGradient

▸ createLinearGradient(_x0, _y0, _x1, _y1): CanvasGradient

Parameters

Name	Type
_x0	number
_y0	number
_x1	number
_y1	number

Returns

CanvasGradient

Implementation of

ILeaferCanvas.createLinearGradient

Inherited from

Canvas.createLinearGradient

Defined in

src/leafer/packages/canvas/canvas/src/Canvas.ts:268

---

createPattern

▸ createPattern(_image, _repetition): CanvasPattern

Parameters

Name	Type
_image	CanvasImageSource
_repetition	string

Returns

CanvasPattern

Implementation of

ILeaferCanvas.createPattern

Inherited from

Canvas.createPattern

Defined in

src/leafer/packages/canvas/canvas/src/Canvas.ts:271

---

createRadialGradient

▸ createRadialGradient(_x0, _y0, _r0, _x1, _y1, _r1): CanvasGradient

Parameters

Name	Type
_x0	number
_y0	number
_r0	number
_x1	number
_y1	number
_r1	number

Returns

CanvasGradient

Implementation of

ILeaferCanvas.createRadialGradient

Inherited from

Canvas.createRadialGradient

Defined in

src/leafer/packages/canvas/canvas/src/Canvas.ts:274

---

fillText

▸ fillText(_text, _x, _y, _maxWidth?): void

Parameters

Name	Type
_text	string
_x	number
_y	number
_maxWidth?	number

Returns

void

Implementation of

ILeaferCanvas.fillText

Inherited from

Canvas.fillText

Defined in

src/leafer/packages/canvas/canvas/src/Canvas.ts:278

---

measureText

▸ measureText(_text): ITextMetrics

Parameters

Name	Type
_text	string

Returns

ITextMetrics

Implementation of

ILeaferCanvas.measureText

Inherited from

Canvas.measureText

Defined in

src/leafer/packages/canvas/canvas/src/Canvas.ts:281

---

strokeText

▸ strokeText(_text, _x, _y, _maxWidth?): void

Parameters

Name	Type
_text	string
_x	number
_y	number
_maxWidth?	number

Returns

void

Implementation of

ILeaferCanvas.strokeText

Inherited from

Canvas.strokeText

Defined in

src/leafer/packages/canvas/canvas/src/Canvas.ts:284

---

init

▸ init(): void

Returns

void

Implementation of

ILeaferCanvas.init

Defined in

src/leafer/packages/canvas/canvas/src/LeaferCanvasBase.ts:70

---

__createContext

▸ __createContext(): void

Returns

void

Defined in

src/leafer/packages/canvas/canvas/src/LeaferCanvasBase.ts:72

---

export

▸ export(_filename, _options?): string | Promise<any>

Parameters

Name	Type
_filename	string
_options?	number | boolean | IExportOptions

Returns

string | Promise<any>

Implementation of

ILeaferCanvas.export

Defined in

src/leafer/packages/canvas/canvas/src/LeaferCanvasBase.ts:81

---

toBlob

▸ toBlob(_type?, _quality?): Promise<any>

Parameters

Name	Type
_type?	IExportFileType
_quality?	number

Returns

Promise<any>

Implementation of

ILeaferCanvas.toBlob

Defined in

src/leafer/packages/canvas/canvas/src/LeaferCanvasBase.ts:83

---

toDataURL

▸ toDataURL(_type?, _quality?): string | Promise<string>

Parameters

Name	Type
_type?	IExportImageType
_quality?	number

Returns

string | Promise<string>

Implementation of

ILeaferCanvas.toDataURL

Defined in

src/leafer/packages/canvas/canvas/src/LeaferCanvasBase.ts:85

---

saveAs

▸ saveAs(_filename, _quality?): Promise<boolean>

Parameters

Name	Type
_filename	string
_quality?	number

Returns

Promise<boolean>

Implementation of

ILeaferCanvas.saveAs

Defined in

src/leafer/packages/canvas/canvas/src/LeaferCanvasBase.ts:87

---

resize

▸ resize(size, safeResize?): void

Parameters

Name	Type	Default value
size	IScreenSizeData	undefined
safeResize	boolean	true

Returns

void

Implementation of

ILeaferCanvas.resize

Defined in

src/leafer/packages/canvas/canvas/src/LeaferCanvasBase.ts:91

---

updateViewSize

▸ updateViewSize(): void

Returns

void

Implementation of

ILeaferCanvas.updateViewSize

Defined in

src/leafer/packages/canvas/canvas/src/LeaferCanvasBase.ts:123

---

updateClientBounds

▸ updateClientBounds(): void

Returns

void

Implementation of

ILeaferCanvas.updateClientBounds

Defined in

src/leafer/packages/canvas/canvas/src/LeaferCanvasBase.ts:124

---

getClientBounds

▸ getClientBounds(update?): IBoundsData

Parameters

Name	Type
update?	boolean

Returns

IBoundsData

Implementation of

ILeaferCanvas.getClientBounds

Defined in

src/leafer/packages/canvas/canvas/src/LeaferCanvasBase.ts:125

---

startAutoLayout

▸ startAutoLayout(_autoBounds, _listener): void

Parameters

Name	Type
_autoBounds	IAutoBounds
_listener	IResizeEventListener

Returns

void

Implementation of

ILeaferCanvas.startAutoLayout

Defined in

src/leafer/packages/canvas/canvas/src/LeaferCanvasBase.ts:130

---

stopAutoLayout

▸ stopAutoLayout(): void

Returns

void

Implementation of

ILeaferCanvas.stopAutoLayout

Defined in

src/leafer/packages/canvas/canvas/src/LeaferCanvasBase.ts:131

---

setCursor

▸ setCursor(_cursor): void

Parameters

Name	Type
_cursor	ICursorType | ICursorType[]

Returns

void

Defined in

src/leafer/packages/canvas/canvas/src/LeaferCanvasBase.ts:133

---

setWorld

▸ setWorld(matrix, parentMatrix?): void

Parameters

Name	Type
matrix	IMatrixWithOptionHalfData
parentMatrix?	IMatrixData

Returns

void

Implementation of

ILeaferCanvas.setWorld

Defined in

src/leafer/packages/canvas/canvas/src/LeaferCanvasBase.ts:135

---

useWorldTransform

▸ useWorldTransform(worldTransform?): void

Parameters

Name	Type
worldTransform?	IMatrixData

Returns

void

Implementation of

ILeaferCanvas.useWorldTransform

Defined in

src/leafer/packages/canvas/canvas/src/LeaferCanvasBase.ts:149

---

setStroke

▸ setStroke(color, strokeWidth, options?, childOptions?): void

Parameters

Name	Type
color	string | object
strokeWidth	number
options?	ICanvasStrokeOptions
childOptions?	ICanvasStrokeOptions

Returns

void

Implementation of

ILeaferCanvas.setStroke

Defined in

src/leafer/packages/canvas/canvas/src/LeaferCanvasBase.ts:155

---

setStrokeOptions

▸ setStrokeOptions(options, childOptions?): void

Parameters

Name	Type
options	ICanvasStrokeOptions
childOptions?	ICanvasStrokeOptions

Returns

void

Implementation of

ILeaferCanvas.setStrokeOptions

Defined in

src/leafer/packages/canvas/canvas/src/LeaferCanvasBase.ts:161

---

saveBlendMode

▸ saveBlendMode(blendMode): void

Parameters

Name	Type
blendMode	IBlendMode

Returns

void

Implementation of

ILeaferCanvas.saveBlendMode

Defined in

src/leafer/packages/canvas/canvas/src/LeaferCanvasBase.ts:177

---

restoreBlendMode

▸ restoreBlendMode(): void

Returns

void

Implementation of

ILeaferCanvas.restoreBlendMode

Defined in

src/leafer/packages/canvas/canvas/src/LeaferCanvasBase.ts:182

---

hitFill

▸ hitFill(_point, _fillRule?): boolean

Parameters

Name	Type
_point	IPointData
_fillRule?	IWindingRule

Returns

boolean

Implementation of

ILeaferCanvas.hitFill

Defined in

src/leafer/packages/canvas/canvas/src/LeaferCanvasBase.ts:188

---

hitStroke

▸ hitStroke(_point, _strokeWidth?): boolean

Parameters

Name	Type
_point	IPointData
_strokeWidth?	number

Returns

boolean

Implementation of

ILeaferCanvas.hitStroke

Defined in

src/leafer/packages/canvas/canvas/src/LeaferCanvasBase.ts:190

---

hitPixel

▸ hitPixel(_radiusPoint, _offset?, _scale?): boolean

Parameters

Name	Type	Default value
_radiusPoint	IRadiusPointData	undefined
_offset?	IPointData	undefined
_scale	number	1

Returns

boolean

Implementation of

ILeaferCanvas.hitPixel

Defined in

src/leafer/packages/canvas/canvas/src/LeaferCanvasBase.ts:192

---

setWorldShadow

▸ setWorldShadow(x, y, blur, color?): void

Parameters

Name	Type
x	number
y	number
blur	number
color?	string

Returns

void

Implementation of

ILeaferCanvas.setWorldShadow

Defined in

src/leafer/packages/canvas/canvas/src/LeaferCanvasBase.ts:196

---

setWorldBlur

▸ setWorldBlur(blur): void

Parameters

Name	Type
blur	number

Returns

void

Implementation of

ILeaferCanvas.setWorldBlur

Defined in

src/leafer/packages/canvas/canvas/src/LeaferCanvasBase.ts:204

---

copyWorld

▸ copyWorld(canvas, from?, to?, blendMode?, ceilPixel?): void

Parameters

Name	Type
canvas	ILeaferCanvas
from?	IBoundsData
to?	IBoundsData
blendMode?	IBlendMode
ceilPixel?	boolean

Returns

void

Implementation of

ILeaferCanvas.copyWorld

Defined in

src/leafer/packages/canvas/canvas/src/LeaferCanvasBase.ts:210

---

copyWorldToInner

▸ copyWorldToInner(canvas, fromWorld, toInnerBounds, blendMode?, ceilPixel?): void

Parameters

Name	Type
canvas	ILeaferCanvas
fromWorld	IMatrixWithBoundsData
toInnerBounds	IBoundsData
blendMode?	IBlendMode
ceilPixel?	boolean

Returns

void

Implementation of

ILeaferCanvas.copyWorldToInner

Defined in

src/leafer/packages/canvas/canvas/src/LeaferCanvasBase.ts:224

---

copyWorldByReset

▸ copyWorldByReset(canvas, from?, to?, blendMode?, onlyResetTransform?, ceilPixel?): void

Parameters

Name	Type
canvas	ILeaferCanvas
from?	IBoundsData
to?	IBoundsData
blendMode?	IBlendMode
onlyResetTransform?	boolean
ceilPixel?	boolean

Returns

void

Implementation of

ILeaferCanvas.copyWorldByReset

Defined in

src/leafer/packages/canvas/canvas/src/LeaferCanvasBase.ts:238

---

useGrayscaleAlpha

▸ useGrayscaleAlpha(bounds): void

Parameters

Name	Type
bounds	IBoundsData

Returns

void

Implementation of

ILeaferCanvas.useGrayscaleAlpha

Defined in

src/leafer/packages/canvas/canvas/src/LeaferCanvasBase.ts:244

---

useMask

▸ useMask(maskCanvas, fromBounds?, toBounds?): void

Parameters

Name	Type
maskCanvas	ILeaferCanvas
fromBounds?	IBoundsData
toBounds?	IBoundsData

Returns

void

Implementation of

ILeaferCanvas.useMask

Defined in

src/leafer/packages/canvas/canvas/src/LeaferCanvasBase.ts:258

---

useEraser

▸ useEraser(eraserCanvas, fromBounds?, toBounds?): void

Parameters

Name	Type
eraserCanvas	ILeaferCanvas
fromBounds?	IBoundsData
toBounds?	IBoundsData

Returns

void

Implementation of

ILeaferCanvas.useEraser

Defined in

src/leafer/packages/canvas/canvas/src/LeaferCanvasBase.ts:262

---

fillWorld

▸ fillWorld(bounds, color, blendMode?, ceilPixel?): void

Parameters

Name	Type
bounds	IBoundsData
color	string | object
blendMode?	IBlendMode
ceilPixel?	boolean

Returns

void

Implementation of

ILeaferCanvas.fillWorld

Defined in

src/leafer/packages/canvas/canvas/src/LeaferCanvasBase.ts:266

---

strokeWorld

▸ strokeWorld(bounds, color, blendMode?, ceilPixel?): void

Parameters

Name	Type
bounds	IBoundsData
color	string | object
blendMode?	IBlendMode
ceilPixel?	boolean

Returns

void

Implementation of

ILeaferCanvas.strokeWorld

Defined in

src/leafer/packages/canvas/canvas/src/LeaferCanvasBase.ts:274

---

clipWorld

▸ clipWorld(bounds, ceilPixel?): void

Parameters

Name	Type	Default value
bounds	IBoundsData	undefined
ceilPixel	boolean	true

Returns

void

Implementation of

ILeaferCanvas.clipWorld

Defined in

src/leafer/packages/canvas/canvas/src/LeaferCanvasBase.ts:282

---

clipUI

▸ clipUI(ruleData): void

Parameters

Name	Type
ruleData	IWindingRuleData

Returns

void

Implementation of

ILeaferCanvas.clipUI

Defined in

src/leafer/packages/canvas/canvas/src/LeaferCanvasBase.ts:290

---

clearWorld

▸ clearWorld(bounds, ceilPixel?): void

Parameters

Name	Type	Default value
bounds	IBoundsData	undefined
ceilPixel	boolean	true

Returns

void

Implementation of

ILeaferCanvas.clearWorld

Defined in

src/leafer/packages/canvas/canvas/src/LeaferCanvasBase.ts:294

---

clear

▸ clear(): void

Returns

void

Implementation of

ILeaferCanvas.clear

Defined in

src/leafer/packages/canvas/canvas/src/LeaferCanvasBase.ts:299

---

setTempPixelBounds

▸ setTempPixelBounds(bounds, ceil?, intersect?): void

Parameters

Name	Type
bounds	IBoundsData
ceil?	boolean
intersect?	boolean

Returns

void

Defined in

src/leafer/packages/canvas/canvas/src/LeaferCanvasBase.ts:307

---

setTempPixelBounds2

▸ setTempPixelBounds2(bounds, ceil?, intersect?): void

Parameters

Name	Type
bounds	IBoundsData
ceil?	boolean
intersect?	boolean

Returns

void

Defined in

src/leafer/packages/canvas/canvas/src/LeaferCanvasBase.ts:311

---

copyToPixelBounds

▸ copyToPixelBounds(pixelBounds, bounds, ceil?, intersect?): void

Parameters

Name	Type
pixelBounds	IBounds
bounds	IBoundsData
ceil?	boolean
intersect?	boolean

Returns

void

Defined in

src/leafer/packages/canvas/canvas/src/LeaferCanvasBase.ts:315

---

isSameSize

▸ isSameSize(size): boolean

Parameters

Name	Type
size	IScreenSizeData

Returns

boolean

Implementation of

ILeaferCanvas.isSameSize

Defined in

src/leafer/packages/canvas/canvas/src/LeaferCanvasBase.ts:322

---

getSameCanvas

▸ getSameCanvas(useSameWorldTransform?, useSameSmooth?): ILeaferCanvas

Parameters

Name	Type
useSameWorldTransform?	boolean
useSameSmooth?	boolean

Returns

ILeaferCanvas

Implementation of

ILeaferCanvas.getSameCanvas

Defined in

src/leafer/packages/canvas/canvas/src/LeaferCanvasBase.ts:327

---

recycle

▸ recycle(clearBounds?): void

Parameters

Name	Type
clearBounds?	IBoundsData

Returns

void

Implementation of

ILeaferCanvas.recycle

Defined in

src/leafer/packages/canvas/canvas/src/LeaferCanvasBase.ts:338

---

updateRender

▸ updateRender(_bounds?): void

Parameters

Name	Type
_bounds?	IBoundsData

Returns

void

Implementation of

ILeaferCanvas.updateRender

Defined in

src/leafer/packages/canvas/canvas/src/LeaferCanvasBase.ts:346

---

unrealCanvas

▸ unrealCanvas(): void

Returns

void

Implementation of

ILeaferCanvas.unrealCanvas

Defined in

src/leafer/packages/canvas/canvas/src/LeaferCanvasBase.ts:348

---

destroy

▸ destroy(): void

Returns

void

Implementation of

ILeaferCanvas.destroy

Overrides

Canvas.destroy

Defined in

src/leafer/packages/canvas/canvas/src/LeaferCanvasBase.ts:350