WebGLTextRenderer

Classes

WebGLTextRenderer

Extends

• TextRenderer

Constructors

Constructor

new WebGLTextRenderer(
   staticCanvas, 
   activeCanvas, 
   textWhizz, 
   zoom, 
   offset, 
   viewportHandler, 
   selectionStyle, 
   rgbColorParser, 
   canvasElementHandler): WebGLTextRenderer;

Parameters

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

Returns

WebGLTextRenderer

Overrides

TextRenderer.constructor

Properties

staticCanvasMargin

static staticCanvasMargin: number = 5;

Overrides

TextRenderer.staticCanvasMargin

Accessors

offset

Get Signature

get offset(): PointF;

Returns

PointF

Set Signature

set offset(value): void;

Parameters

Parameter	Type
value	PointF

Returns

void

Inherited from

TextRenderer.offset

Methods

clearText()

clearText(): void;

Returns

void

Overrides

TextRenderer.clearText

drawSelection()

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

Parameters

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

Returns

void

Overrides

TextRenderer.drawSelection

drawText()

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

Overrides

TextRenderer.drawText

getTextImage()

getTextImage(
   handler, 
   bounds, 
   previewScale): HTMLCanvasElement;

Parameters

Parameter	Type
handler	TextHandler
bounds	RectangleF
previewScale	number

Returns

HTMLCanvasElement

Overrides

TextRenderer.getTextImage

setWorkspaceSize()

setWorkspaceSize(width, height): void;

Parameters

Parameter	Type
width	number
height	number

Returns

void

Inherited from

TextRenderer.setWorkspaceSize

setZoom()

setZoom(value): void;

Parameters

Parameter	Type
value	number

Returns

void

Inherited from

TextRenderer.setZoom

transformText()

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

Overrides

TextRenderer.transformText

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

Inherited from

TextRenderer.renderTextImage