Class TextRenderer

Package: @aurigma/design-atoms

Constructors

(constructor)(_staticCanvas, _activeCanvas, _textWhizz, _zoom, _offset, _viewportHandler, _selectionStyle, _rgbColorParser, _canvasFactory)

Constructs a new instance of the TextRenderer class

Declaration

constructor(_staticCanvas: HTMLCanvasElement, _activeCanvas: HTMLCanvasElement, _textWhizz: typeof TextWhizz, _zoom: number, _offset: PointF, _viewportHandler: IViewportHandler, _selectionStyle: ITextSelectionStyleConfig, _rgbColorParser: IRgbColorParser, _canvasFactory: ICanvasFactory);

Parameters

Type	Name	Description
HTMLCanvasElement	_staticCanvas
HTMLCanvasElement	_activeCanvas
typeof TextWhizz	_textWhizz
number	_zoom
PointF	_offset
IViewportHandler	_viewportHandler
ITextSelectionStyleConfig	_selectionStyle
IRgbColorParser	_rgbColorParser
ICanvasFactory	_canvasFactory

Properties

_activeCanvas

Declaration

protected _activeCanvas: HTMLCanvasElement;

Property Value

Type	Description
HTMLCanvasElement

_colorPreviewService

Declaration

protected _colorPreviewService: IColorPreviewService;

Property Value

Type	Description
IColorPreviewService

_offset

Declaration

protected _offset: PointF;

Property Value

Type	Description
PointF

_rgbColorParser

Declaration

protected _rgbColorParser: IRgbColorParser;

Property Value

Type	Description
IRgbColorParser

_scale

Declaration

protected get _scale(): number;

Property Value

Type	Description
number

_selectionStyle

Declaration

protected _selectionStyle: ITextSelectionStyleConfig;

Property Value

Type	Description
ITextSelectionStyleConfig

_staticCanvas

Declaration

protected _staticCanvas: HTMLCanvasElement;

Property Value

Type	Description
HTMLCanvasElement

_textWhizz

Declaration

protected _textWhizz: typeof TextWhizz;

Property Value

Type	Description
typeof TextWhizz

_viewportHandler

Declaration

protected _viewportHandler: IViewportHandler;

Property Value

Type	Description
IViewportHandler

_workspaceHeight

Declaration

protected _workspaceHeight: number;

Property Value

Type	Description
number

_workspaceWidth

Declaration

protected _workspaceWidth: number;

Property Value

Type	Description
number

_zoom

Declaration

protected _zoom: number;

Property Value

Type	Description
number

offset

Declaration

set offset(value: PointF);

Property Value

Type	Description
PointF

staticCanvasMargin

Declaration

static staticCanvasMargin: number;

Property Value

Type	Description
number

Methods

_colorToTextWhizz(color)

Declaration

protected _colorToTextWhizz(color: RgbColor): TextWhizz.Color;

Parameters

Type	Name	Description
RgbColor	color

Returns

Type	Description
TextWhizz.Color

_copyCanvas(source, size)

Declaration

protected _copyCanvas(source: HTMLCanvasElement, size: Size): HTMLCanvasElement;

Parameters

Type	Name	Description
HTMLCanvasElement	source
Size	size

Returns

Type	Description
HTMLCanvasElement

_createCanvas(size)

Declaration

protected _createCanvas(size: Size): HTMLCanvasElement;

Parameters

Type	Name	Description
Size	size

Returns

Type	Description
HTMLCanvasElement

_getScaledBounds(bounds)

Declaration

protected _getScaledBounds(bounds: RectangleF): RectangleF;

Parameters

Type	Name	Description
RectangleF	bounds

Returns

Type	Description
RectangleF

_getScaledBoundsWithoutRound(bounds)

Declaration

protected _getScaledBoundsWithoutRound(bounds: RectangleF): RectangleF;

Parameters

Type	Name	Description
RectangleF	bounds

Returns

Type	Description
RectangleF

clearText()

Declaration

abstract clearText(): void;

Returns

Type	Description
void

drawSelection(handler, selection, transform, center, previewScale)

Declaration

abstract drawSelection(handler: TextWhizz.TextHandler, selection: TextWhizz.TextRange, transform: Transform, center: PointF, previewScale: number): void;

Parameters

Type	Name	Description
TextWhizz.TextHandler	handler
TextWhizz.TextRange	selection
Transform	transform
PointF	center
number	previewScale

Returns

Type	Description
void

drawText(handler, transform, center, previewScale, opacity, clippingPath)

Declaration

abstract drawText(handler: TextWhizz.TextHandler, transform: Transform, center: PointF, previewScale: number, opacity: number, clippingPath: Path): void;

Parameters

Type	Name	Description
TextWhizz.TextHandler	handler
Transform	transform
PointF	center
number	previewScale
number	opacity
Path	clippingPath

Returns

Type	Description
void

getTextImage(handler, bounds, previewScale)

Declaration

abstract getTextImage(handler: TextWhizz.TextHandler, bounds: RectangleF, previewScale: number): HTMLCanvasElement;

Parameters

Type	Name	Description
TextWhizz.TextHandler	handler
RectangleF	bounds
number	previewScale

Returns

Type	Description
HTMLCanvasElement

renderTextImage(handler, imageContainer, imageContainerRect, itemHandlerCtx, opacityMultiplier, increaseImageRect)

Declaration

static renderTextImage(handler: BaseTextItemHandler | NewBaseTextItemHandler, imageContainer: ImageContainer, imageContainerRect: RectangleF, itemHandlerCtx: CanvasRenderingContext2D, opacityMultiplier: number, increaseImageRect: number): void;

Parameters

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

Returns

Type	Description
void

setWorkspaceSize(width, height)

Declaration

setWorkspaceSize(width: number, height: number): void;

Parameters

Type	Name	Description
number	width
number	height

Returns

Type	Description
void

setZoom(value)

Declaration

setZoom(value: number): void;

Parameters

Type	Name	Description
number	value

Returns

Type	Description
void

transformText(handler, transform, center, previewScale, opacity, clippingPath)

Declaration

abstract transformText(handler: TextWhizz.TextHandler, transform: Transform, center: PointF, previewScale: number, opacity: number, clippingPath: Path): void;

Parameters

Type	Name	Description
TextWhizz.TextHandler	handler
Transform	transform
PointF	center
number	previewScale
number	opacity
Path	clippingPath

Returns

Type	Description
void