tdesign-react/cjs/qrcode/QRCodeCanvas.js

TDesign Component for React

/**
 * tdesign v1.15.1
 * (c) 2025 tdesign
 * @license MIT
 */

'use strict';

Object.defineProperty(exports, '__esModule', { value: true });

var defineProperty = require('../_chunks/dep-0006fcfa.js');
var slicedToArray = require('../_chunks/dep-8e4d656d.js');
var objectWithoutProperties = require('../_chunks/dep-8fa3a4c2.js');
var React = require('react');
var qrcode_hooks_useQRCode = require('../_chunks/dep-f088ebdd.js');
require('../_chunks/dep-667ac7af.js');
require('../_chunks/dep-00b49251.js');
require('../_chunks/dep-69792df2.js');

function _interopDefaultLegacy (e) { return e && typeof e === 'object' && 'default' in e ? e : { 'default': e }; }

var React__default = /*#__PURE__*/_interopDefaultLegacy(React);

var _excluded = ["value", "size", "level", "bgColor", "fgColor", "includeMargin", "minVersion", "marginSize", "style", "imageSettings"];
function ownKeys(e, r) { var t = Object.keys(e); if (Object.getOwnPropertySymbols) { var o = Object.getOwnPropertySymbols(e); r && (o = o.filter(function (r) { return Object.getOwnPropertyDescriptor(e, r).enumerable; })), t.push.apply(t, o); } return t; }
function _objectSpread(e) { for (var r = 1; r < arguments.length; r++) { var t = null != arguments[r] ? arguments[r] : {}; r % 2 ? ownKeys(Object(t), !0).forEach(function (r) { defineProperty._defineProperty(e, r, t[r]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(e, Object.getOwnPropertyDescriptors(t)) : ownKeys(Object(t)).forEach(function (r) { Object.defineProperty(e, r, Object.getOwnPropertyDescriptor(t, r)); }); } return e; }
var QRCodeCanvas = /*#__PURE__*/React__default["default"].forwardRef(function (props, ref) {
  var value = props.value,
    _props$size = props.size,
    size = _props$size === void 0 ? qrcode_hooks_useQRCode.DEFAULT_SIZE : _props$size,
    _props$level = props.level,
    level = _props$level === void 0 ? qrcode_hooks_useQRCode.DEFAULT_LEVEL : _props$level,
    _props$bgColor = props.bgColor,
    bgColor = _props$bgColor === void 0 ? qrcode_hooks_useQRCode.DEFAULT_BACKGROUND_COLOR : _props$bgColor,
    _props$fgColor = props.fgColor,
    fgColor = _props$fgColor === void 0 ? qrcode_hooks_useQRCode.DEFAULT_FRONT_COLOR : _props$fgColor,
    _props$includeMargin = props.includeMargin,
    includeMargin = _props$includeMargin === void 0 ? qrcode_hooks_useQRCode.DEFAULT_NEED_MARGIN : _props$includeMargin,
    _props$minVersion = props.minVersion,
    minVersion = _props$minVersion === void 0 ? qrcode_hooks_useQRCode.DEFAULT_MINVERSION : _props$minVersion,
    marginSize = props.marginSize,
    style = props.style,
    imageSettings = props.imageSettings,
    otherProps = objectWithoutProperties._objectWithoutProperties(props, _excluded);
  var imgSrc = imageSettings === null || imageSettings === void 0 ? void 0 : imageSettings.src;
  var canvasRef = React__default["default"].useRef(null);
  var imageRef = React__default["default"].useRef(null);
  var setCanvasRef = React__default["default"].useCallback(function (node) {
    canvasRef.current = node;
    if (typeof ref === "function") {
      ref(node);
    } else if (ref) {
      ref.current = node;
    }
  }, [ref]);
  var _React$useState = React__default["default"].useState(false),
    _React$useState2 = slicedToArray._slicedToArray(_React$useState, 2),
    setIsImageLoaded = _React$useState2[1];
  var _useQRCode = qrcode_hooks_useQRCode.useQRCode({
      value: value,
      level: level,
      minVersion: minVersion,
      includeMargin: includeMargin,
      marginSize: marginSize,
      imageSettings: imageSettings,
      size: size
    }),
    margin = _useQRCode.margin,
    cells = _useQRCode.cells,
    numCells = _useQRCode.numCells,
    calculatedImageSettings = _useQRCode.calculatedImageSettings;
  React__default["default"].useEffect(function () {
    if (canvasRef.current) {
      var canvas = canvasRef.current;
      var ctx = canvas.getContext("2d");
      if (!ctx) {
        return;
      }
      var cellsToDraw = cells;
      var image = imageRef.current;
      var haveImageToRender = calculatedImageSettings != null && image !== null && image.complete && image.naturalHeight !== 0 && image.naturalWidth !== 0;
      if (haveImageToRender) {
        if (calculatedImageSettings.excavation != null) {
          cellsToDraw = qrcode_hooks_useQRCode.excavateModules(cells, calculatedImageSettings.excavation);
        }
      }
      var pixelRatio = window.devicePixelRatio || 1;
      canvas.height = size * pixelRatio;
      canvas.width = size * pixelRatio;
      var scale = size / numCells * pixelRatio;
      ctx.scale(scale, scale);
      ctx.fillStyle = bgColor;
      ctx.fillRect(0, 0, numCells, numCells);
      ctx.fillStyle = fgColor;
      if (qrcode_hooks_useQRCode.isSupportPath2d) {
        ctx.fill(new Path2D(qrcode_hooks_useQRCode.generatePath(cellsToDraw, margin)));
      } else {
        cells.forEach(function (row, rdx) {
          row.forEach(function (cell, cdx) {
            if (cell) {
              ctx.fillRect(cdx + margin, rdx + margin, 1, 1);
            }
          });
        });
      }
      if (calculatedImageSettings) {
        ctx.globalAlpha = calculatedImageSettings.opacity;
      }
      if (haveImageToRender) {
        ctx.drawImage(image, calculatedImageSettings.x + margin, calculatedImageSettings.y + margin, calculatedImageSettings.w, calculatedImageSettings.h);
      }
    }
  });
  React__default["default"].useEffect(function () {
    setIsImageLoaded(false);
  }, [imgSrc]);
  var img = null;
  if (imgSrc != null) {
    img = /* @__PURE__ */React__default["default"].createElement("img", {
      src: imgSrc,
      key: imgSrc,
      style: {
        display: "none"
      },
      onLoad: function onLoad() {
        setIsImageLoaded(true);
      },
      ref: imageRef,
      crossOrigin: calculatedImageSettings === null || calculatedImageSettings === void 0 ? void 0 : calculatedImageSettings.crossOrigin
    });
  }
  return /* @__PURE__ */React__default["default"].createElement(React__default["default"].Fragment, null, /* @__PURE__ */React__default["default"].createElement("canvas", _objectSpread({
    style: style,
    height: size,
    width: size,
    ref: setCanvasRef,
    role: "img"
  }, otherProps)), img);
});
QRCodeCanvas.displayName = "QRCodeCanvas";

exports.QRCodeCanvas = QRCodeCanvas;
//# sourceMappingURL=QRCodeCanvas.js.map