type Callback = (err: any, buffer: any) => any;

declare enum Format {
  jpeg = 'jpeg',
  jpg = 'jpg',
  png = 'png',
}

export interface svg2imgOptions {
  resvg?: ResvgRenderOptions;
  format?: Format;
  quality?: number;
}

// See https://github.com/yisibl/resvg-js/blob/main/index.d.ts
export type ResvgRenderOptions = {
  font?: {
    loadSystemFonts?: boolean
    fontFiles?: string[]
    fontDirs?: string[]
    defaultFontFamily?: string
    defaultFontSize?: number
    serifFamily?: string
    sansSerifFamily?: string
    cursiveFamily?: string
    fantasyFamily?: string
    monospaceFamily?: string
  }
  dpi?: number
  languages?: string[]
  shapeRendering?:
    | 0 // optimizeSpeed
    | 1 // crispEdges
    | 2 // geometricPrecision
  textRendering?:
    | 0 // optimizeSpeed
    | 1 // optimizeLegibility
    | 2 // geometricPrecision'
  imageRendering?:
    | 0 // optimizeQuality
    | 1 // optimizeSpeed
  fitTo?:
    | { mode: 'original' }
    | { mode: 'width'; value: number }
    | { mode: 'height'; value: number }
    | { mode: 'zoom'; value: number }
  background?: string // Support CSS3 color, e.g. rgba(255, 255, 255, .8)
  crop?: {
    left: number
    top: number
    right?: number
    bottom?: number
  }
  logLevel?: 'off' | 'error' | 'warn' | 'info' | 'debug' | 'trace'
}

declare function svg2img(svg: string, options?: svg2imgOptions, callback?: Callback): void;
declare function svg2img(svg: string, callback: Callback): void;
export default svg2img;