import { imageResize } from "./imageResize"

export type NativeResizeMethod = "pixelated" | "low" | "medium" | "high"

/**
 * 重新调整图像大小，使用浏览器的内置的 canvas。
 */
export async function nativeResize(
    data: ImageData | Blob,
    dw: number,
    dh: number,
    options?: {
        sx?: number
        sy?: number
        sw?: number
        sh?: number
        method?: NativeResizeMethod
    }
): Promise<ImageData> {
    let canvas = <HTMLCanvasElement>(<any>await imageResize(data, dw, dh, {
        sx: options?.sx,
        sy: options?.sy,
        sw: options?.sw,
        sh: options?.sh,
        method: options?.method,
        returnCanvas: true,
    }))

    // console.log("nativeResize canvas", canvas )
    let ctx = canvas.getContext("2d")
    if (!ctx) throw new Error("Could not create canvas context")

    return ctx.getImageData(0, 0, Math.round(dw), Math.round(dh))
}