js-draw
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Draw pictures using a pen, touchscreen, or mouse! JS-draw is a drawing library for JavaScript and TypeScript.
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TypeScript
import AbstractRenderer from '../../rendering/renderers/AbstractRenderer';
import RenderablePathSpec from '../../rendering/RenderablePathSpec';
import { Rect2 } from '@js-draw/math';
import Stroke from '../Stroke';
import Viewport from '../../Viewport';
import { StrokeDataPoint } from '../../types';
import { ComponentBuilder, ComponentBuilderFactory } from './types';
import RenderingStyle from '../../rendering/RenderingStyle';
/**
* Creates a freehand line builder that creates strokes from line segments
* rather than Bézier curves.
*
* Example:
* [[include:doc-pages/inline-examples/changing-pen-types.md]]
*/
export declare const makePolylineBuilder: ComponentBuilderFactory;
export default class PolylineBuilder implements ComponentBuilder {
private minFitAllowed;
private viewport;
private parts;
private bbox;
private averageWidth;
private widthAverageNumSamples;
private lastPoint;
private startPoint;
private lastLineSegment;
constructor(startPoint: StrokeDataPoint, minFitAllowed: number, viewport: Viewport);
getBBox(): Rect2;
protected getRenderingStyle(): RenderingStyle;
protected previewCurrentPath(): RenderablePathSpec;
protected previewFullPath(): RenderablePathSpec[];
preview(renderer: AbstractRenderer): void;
build(): Stroke;
private getMinFit;
private roundPoint;
private roundDistance;
addPoint(newPoint: StrokeDataPoint): void;
}