vizzu/dist/plugins/canvasrenderer.d.ts

Vizzu is a free, open-source Javascript/C++ library utilizing a generic dataviz engine that generates many types of charts and seamlessly animates between them. It can be used to create static charts but more importantly it is designed for building animat

import { CColorGradient } from '../module/ccolorgradient.js';
import { Canvas } from '../module/canvas.js';
import { CRenderer } from '../module/crenderer.js';
import { Plugin, PluginHooks, RenderContext as Ctx } from '../plugins.js';
export declare class CanvasError extends Error {
    constructor();
}
export interface HtmlCanvasAlternative {
    frameBegin(): void;
    frameEnd(): void;
    context: CanvasRenderingContext2D;
}
export type RenderContext = Ctx & {
    htmlCanvas?: HtmlCanvasAlternative;
};
export declare class CanvasRenderer extends CRenderer implements Canvas, Plugin {
    private _htmlCanvas?;
    private _polygonInProgress;
    private _currentLineWidth;
    get hooks(): PluginHooks;
    private get _canvas();
    private get _context();
    frameBegin(): void;
    frameEnd(): void;
    setClipRect(x: number, y: number, sizex: number, sizey: number): void;
    setClipCircle(x: number, y: number, radius: number): void;
    setClipPolygon(): void;
    setBrushColor(r: number, g: number, b: number, a: number): void;
    setLineColor(r: number, g: number, b: number, a: number): void;
    setLineWidth(width: number): void;
    setFontStyle(font: string): void;
    beginDropShadow(): void;
    setDropShadowBlur(radius: number): void;
    setDropShadowColor(r: number, g: number, b: number, a: number): void;
    setDropShadowOffset(x: number, y: number): void;
    endDropShadow(): void;
    beginPolygon(): void;
    addPoint(x: number, y: number): void;
    addBezier(c0x: number, c0y: number, c1x: number, c1y: number, x: number, y: number): void;
    endPolygon(): void;
    rectangle(x: number, y: number, sizex: number, sizey: number): void;
    circle(x: number, y: number, radius: number): void;
    line(x1: number, y1: number, x2: number, y2: number): void;
    drawText(x: number, y: number, sizex: number, sizey: number, text: string): void;
    setGradient(x1: number, y1: number, x2: number, y2: number, gradient: CColorGradient): void;
    transform(a: number, b: number, c: number, d: number, e: number, f: number): void;
    save(): void;
    restore(): void;
}