import { _ as _define_property } from "@swc/helpers/_/_define_property";
import { _ as _object_spread } from "@swc/helpers/_/_object_spread";
import { _ as _object_spread_props } from "@swc/helpers/_/_object_spread_props";
import { _ as _sliced_to_array } from "@swc/helpers/_/_sliced_to_array";
import React, { useState, useEffect } from "react";
import classNames from "classnames";
import { useConfig } from "../configprovider";
import { ComponentDefaults } from "../../utils/typings";
var defaultProps = _object_spread_props(_object_spread({}, ComponentDefaults), {
    content: '',
    fullPage: true,
    zIndex: 2000,
    gapX: 24,
    gapY: 48,
    width: 120,
    height: 64,
    startX: 0,
    startY: 0,
    image: '',
    imageWidth: 120,
    imageHeight: 64,
    rotate: -22,
    color: 'rgba(0,0,0,.15)',
    fontStyle: 'normal',
    fontWeight: 'normal',
    fontSize: 14
});
export var WaterMark = function(props) {
    var locale = useConfig().locale;
    var _$_object_spread = _object_spread({}, defaultProps, props), content = _$_object_spread.content, fullPage = _$_object_spread.fullPage, zIndex = _$_object_spread.zIndex, className = _$_object_spread.className, gapX = _$_object_spread.gapX, gapY = _$_object_spread.gapY, startX = _$_object_spread.startX, startY = _$_object_spread.startY, width = _$_object_spread.width, height = _$_object_spread.height, image = _$_object_spread.image, imageWidth = _$_object_spread.imageWidth, imageHeight = _$_object_spread.imageHeight, rotate = _$_object_spread.rotate, color = _$_object_spread.color, fontStyle = _$_object_spread.fontStyle, fontFamily = _$_object_spread.fontFamily, fontWeight = _$_object_spread.fontWeight, fontSize = _$_object_spread.fontSize, style = _$_object_spread.style;
    var _useState = _sliced_to_array(useState(''), 2), base64Url = _useState[0], setBase64Url = _useState[1];
    var classPrefix = 'nut-watermark';
    var classes = classNames(classPrefix, _define_property({}, "".concat(classPrefix, "-full-page"), fullPage));
    var cls = classNames(classes, className);
    useEffect(function() {
        init();
    }, []);
    var init = function() {
        var canvas = document.createElement('canvas');
        var ratio = window.devicePixelRatio;
        var ctx = canvas.getContext('2d');
        var canvasWidth = "".concat((gapX + width) * ratio, "px");
        var canvasHeight = "".concat((gapY + height) * ratio, "px");
        var markWidth = width * ratio;
        var markHeight = height * ratio;
        canvas.setAttribute('width', canvasWidth);
        canvas.setAttribute('height', canvasHeight);
        if (ctx) {
            if (image) {
                ctx.translate(markWidth / 2, markHeight / 2);
                ctx.rotate(Math.PI / 180 * Number(rotate));
                var img = new Image();
                img.crossOrigin = 'anonymous';
                img.referrerPolicy = 'no-referrer';
                img.src = image;
                img.onload = function() {
                    ctx.drawImage(img, -imageWidth * ratio / 2, -imageHeight * ratio / 2, imageWidth * ratio, imageHeight * ratio);
                    ctx.restore();
                    setBase64Url(canvas.toDataURL());
                };
            } else if (content) {
                ctx.textBaseline = 'middle' // 设置或返回在绘制文本时使用的当前文本基线。(正中)
                ;
                ctx.textAlign = 'center' // 设置或返回文本内容的当前对齐方式。
                ;
                // 文字绕中间旋转
                ctx.translate(markWidth / 2, markHeight / 2);
                ctx.rotate(Math.PI / 180 * Number(rotate));
                var markSize = Number(fontSize) * ratio;
                ctx.font = "".concat(fontStyle, " normal ").concat(fontWeight, " ").concat(markSize, "px/").concat(markHeight, "px ").concat(fontFamily);
                ctx.fillStyle = color;
                ctx.fillText(content, startX, startY) // 在画布上绘制"被填充的"文本。
                ;
                ctx.restore() // 返回之前保存过的路径状态和属性。
                ;
                setBase64Url(canvas.toDataURL());
            }
        } else {
            throw new Error(locale.watermark.errorCanvasTips);
        }
    };
    return /*#__PURE__*/ React.createElement("div", {
        className: cls,
        style: _object_spread({
            zIndex: zIndex,
            backgroundSize: "".concat(gapX + width, "px"),
            backgroundImage: "url('".concat(base64Url, "')")
        }, style)
    });
};
WaterMark.displayName = 'NutWaterMark';
