73 lines
3.4 KiB
TypeScript
73 lines
3.4 KiB
TypeScript
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import { RenderingContext2D } from '../types';
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import PathParser, { CommandType } from '../PathParser';
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import Document from './Document';
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import TextElement from './TextElement';
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import PathElement from './PathElement';
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export interface IPoint {
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x: number;
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y: number;
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}
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export interface IPathCommand {
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type: CommandType;
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points: number[];
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start?: IPoint;
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pathLength: number;
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}
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interface ICachedPoint extends IPoint {
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distance: number;
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}
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interface IGlyphInfo {
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text: string;
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rotation: number;
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p0: ICachedPoint;
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p1: ICachedPoint;
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}
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export default class TextPathElement extends TextElement {
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type: string;
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protected textWidth: number;
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protected textHeight: number;
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protected pathLength: number;
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protected glyphInfo: IGlyphInfo[];
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protected readonly text: string;
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protected readonly dataArray: IPathCommand[];
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private letterSpacingCache;
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private equidistantCache;
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private readonly measuresCache;
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constructor(document: Document, node: HTMLElement, captureTextNodes?: boolean);
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getText(): string;
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path(ctx: RenderingContext2D): void;
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renderChildren(ctx: RenderingContext2D): void;
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protected getLetterSpacingAt(idx?: number): number;
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protected findSegmentToFitChar(ctx: RenderingContext2D, anchor: string, textFullWidth: number, fullPathWidth: number, spacesNumber: number, inputOffset: number, dy: number, c: string, charI: number): {
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offset: number;
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segment: {
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p0: ICachedPoint;
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p1: ICachedPoint;
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};
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rotation: number;
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};
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protected measureText(ctx: RenderingContext2D, text?: string): number;
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protected setTextData(ctx: RenderingContext2D): void;
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protected parsePathData(path: PathElement): IPathCommand[];
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protected pathM(pathParser: PathParser, points: number[]): void;
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protected pathL(pathParser: PathParser, points: number[]): 16;
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protected pathH(pathParser: PathParser, points: number[]): 16;
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protected pathV(pathParser: PathParser, points: number[]): 16;
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protected pathC(pathParser: PathParser, points: number[]): void;
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protected pathS(pathParser: PathParser, points: number[]): 32;
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protected pathQ(pathParser: PathParser, points: number[]): void;
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protected pathT(pathParser: PathParser, points: number[]): 128;
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protected pathA(pathParser: PathParser): number[];
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protected calcLength(x: number, y: number, commandType: CommandType, points: number[]): number;
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protected getPointOnLine(dist: number, p1x: number, p1y: number, p2x: number, p2y: number, fromX?: number, fromY?: number): IPoint;
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protected getPointOnPath(distance: number): IPoint;
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protected getLineLength(x1: number, y1: number, x2: number, y2: number): number;
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protected getPathLength(): number;
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protected getPointOnCubicBezier(pct: number, p1x: number, p1y: number, p2x: number, p2y: number, p3x: number, p3y: number, p4x: number, p4y: number): IPoint;
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protected getPointOnQuadraticBezier(pct: number, p1x: number, p1y: number, p2x: number, p2y: number, p3x: number, p3y: number): IPoint;
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protected getPointOnEllipticalArc(cx: number, cy: number, rx: number, ry: number, theta: number, psi: number): IPoint;
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protected buildEquidistantCache(inputStep: number, inputPrecision: number): void;
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protected getEquidistantPointOnPath(targetDistance: number, step?: number, precision?: number): ICachedPoint;
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}
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export {};
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//# sourceMappingURL=TextPathElement.d.ts.map
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