import { PAPER_SIZE } from './constant';

export function setCanvasSize(canvas: Canvas, paperSize: PaperSize) {
    const sizeObj = PAPER_SIZE[paperSize];
    // const { pixelRatio: dpr, windowWidth, windowHeight } = wx.getWindowInfo();
    // const printWidth = A4.width;
    // const printHeight = A4.height;
    // @ts-ignore
    // const originWidth = canvas._width || windowWidth;
    // // @ts-ignore
    // const originHeight = canvas._height || windowHeight;

    canvas.width = sizeObj.width;
    canvas.height = sizeObj.height;
    console.log('canvas----:', canvas);
    return canvas;
}

export async function getMiniCodeImagePath() {
    return getImagePath('/assets/imgs/mini-code.jpg');
}

export async function getImagePath(path: string) {
    return new Promise((resolve) => {
        // 如果是网络图片，需配置downloadFile域名
        wx.getImageInfo({
            src: path, // 本地图片路径
            success: (res) => {
                resolve(res.path);
            },
            fail: (err) => {
                console.error('图片加载失败:', err);
                resolve(''); // 可设置默认占位图
            },
        });
    });
}