TextRenderer

Classes

abstract TextRenderer

Extended by

• Ctx2dTextRenderer
• WebGLTextRenderer

Constructors

Constructor

new TextRenderer(
   staticCanvas,
   activeCanvas,
   textWhizz,
   zoom,
   offset,
   viewportHandler,
   selectionStyle,
   rgbColorParser,
   canvasFactory): TextRenderer;

Parameters

Parameter	Type
staticCanvas	HTMLCanvasElement
activeCanvas	HTMLCanvasElement
textWhizz	any
zoom	number
offset	PointF
viewportHandler	IViewportHandler
selectionStyle	ITextSelectionStyleConfig
rgbColorParser	IRgbColorParser
canvasFactory	ICanvasFactory

Returns

TextRenderer

Properties

staticCanvasMargin

static staticCanvasMargin: number = 10;

Accessors

offset

Get Signature

get offset(): PointF;

Returns

PointF

Set Signature

set offset(value): void;

Parameters

Parameter	Type
value	PointF

Returns

void

Methods

clearText()

abstract clearText(): void;

Returns

void

drawSelection()

abstract drawSelection(
   handler,
   selection,
   transform,
   center,
   previewScale): void;

Parameters

Parameter	Type
handler	TextHandler
selection	TextRange
transform	Transform
center	PointF
previewScale	number

Returns

void

drawText()

abstract drawText(
   handler,
   transform,
   center,
   previewScale,
   opacity,
   clippingPath): void;

Parameters

Parameter	Type
handler	TextHandler
transform	Transform
center	PointF
previewScale	number
opacity	number
clippingPath	Path

Returns

void

getTextImage()

abstract getTextImage(
   handler,
   bounds,
   previewScale): HTMLCanvasElement;

Parameters

Parameter	Type
handler	TextHandler
bounds	RectangleF
previewScale	number

Returns

HTMLCanvasElement

setWorkspaceSize()

setWorkspaceSize(width, height): void;

Parameters

Parameter	Type
width	number
height	number

Returns

void

setZoom()

setZoom(value): void;

Parameters

Parameter	Type
value	number

Returns

void

transformText()

abstract transformText(
   handler,
   transform,
   center,
   previewScale,
   opacity,
   clippingPath): void;

Parameters

Parameter	Type
handler	TextHandler
transform	Transform
center	PointF
previewScale	number
opacity	number
clippingPath	Path

Returns

void

renderTextImage()

static renderTextImage(
   handler,
   imageContainer,
   imageContainerRect,
   itemHandlerCtx,
   opacityMultiplier,
   increaseImageRect): void;

Parameters

Parameter	Type
handler	| NewBaseTextItemHandler | BaseTextItemHandler
imageContainer	ImageContainer
imageContainerRect	RectangleF
itemHandlerCtx	CanvasRenderingContext2D
opacityMultiplier	number
increaseImageRect	number

Returns

void

Interfaces

ICanvasFactory

Methods

createCanvas()

createCanvas(size): HTMLCanvasElement;

Parameters

Parameter	Type
size	Size

Returns

HTMLCanvasElement

---

ITextSelectionStyleConfig

Properties

color

color: string;

textColor

textColor: string;