tdesign-vue/lib/watermark/watermark.js

tdesign-vue

/**
 * tdesign v1.15.0
 * (c) 2026 tdesign
 * @license MIT
 */

import { defineComponent, ref, computed, watch, onMounted } from '@vue/composition-api';
import generateBase64Url from '../_common/js/watermark/generateBase64Url.js';
import randomMovingStyle from '../_common/js/watermark/randomMovingStyle.js';
import injectStyle from '../_common/js/utils/injectStyle.js';
import { usePrefixClass } from '../hooks/useConfig.js';
import { useContent } from '../hooks/tnode.js';
import { useMutationObserver } from './hooks.js';
import props from './props.js';
import setStyle from '../_common/js/utils/setStyle.js';
import { useVariables } from '../hooks/useVariables.js';
import '@babel/runtime/helpers/defineProperty';
import '../config-provider/useConfig.js';
import '../config-provider/context.js';
import 'lodash-es';
import '../_common/js/global-config/default-config.js';
import '../_common/js/global-config/locale/zh_CN.js';
import '../_chunks/dep-e5d497fb.js';
import '@babel/runtime/helpers/typeof';
import '../_chunks/dep-1618e1d6.js';
import 'dayjs';
import '../_common/js/global-config/t.js';
import '@babel/runtime/helpers/slicedToArray';
import '../hooks/render-tnode.js';
import '@babel/runtime/helpers/objectWithoutProperties';
import '../_common/js/utils/getColorTokenColor.js';
import '../_common/js/common.js';
import '../hooks/useMutationObservable.js';

var _Watermark = defineComponent({
  name: "TWatermark",
  props: props,
  setup: function setup(props2) {
    var backgroundImage = ref("");
    var watermarkRef = ref();
    var watermarkContentRef = ref();
    var parent = ref();
    var gapX = computed(function () {
      return props2.movable ? 0 : props2.x;
    });
    var gapY = computed(function () {
      return props2.movable ? 0 : props2.y;
    });
    var rotate = computed(function () {
      return props2.movable ? 0 : props2.rotate;
    });
    var backgroundRepeat = computed(function () {
      if (props2.movable) {
        return "no-repeat";
      }
      return props2.isRepeat ? "repeat" : "no-repeat";
    });
    var offsetLeft = computed(function () {
      var _props2$offset;
      return ((_props2$offset = props2.offset) === null || _props2$offset === void 0 ? void 0 : _props2$offset[0]) || gapX.value / 2;
    });
    var offsetTop = computed(function () {
      var _props2$offset2;
      return ((_props2$offset2 = props2.offset) === null || _props2$offset2 === void 0 ? void 0 : _props2$offset2[1]) || gapY.value / 2;
    });
    var _useVariables = useVariables({
        fontColor: "--td-text-color-watermark"
      }),
      fontColor = _useVariables.fontColor;
    var bgImageOptions = computed(function () {
      return {
        width: props2.width,
        height: props2.height,
        rotate: rotate.value,
        lineSpace: props2.lineSpace,
        alpha: props2.alpha,
        gapX: gapX.value,
        gapY: gapY.value,
        watermarkContent: props2.watermarkContent,
        offsetLeft: offsetLeft.value,
        offsetTop: offsetTop.value,
        fontColor: fontColor.value,
        layout: props2.layout
      };
    });
    var removeWaterMark = function removeWaterMark() {
      if (!watermarkContentRef.value) return;
      watermarkContentRef.value.remove();
      watermarkContentRef.value = null;
    };
    var injectWaterMark = function injectWaterMark() {
      generateBase64Url(bgImageOptions.value, function (base64Url, backgroundSize) {
        var _watermarkRef$value;
        removeWaterMark();
        backgroundImage.value = base64Url;
        watermarkContentRef.value = document.createElement("div");
        setStyle(watermarkContentRef.value, {
          zIndex: props2.zIndex,
          position: "absolute",
          left: 0,
          right: 0,
          top: 0,
          bottom: 0,
          width: "100%",
          height: "100%",
          backgroundSize: "".concat((backgroundSize === null || backgroundSize === void 0 ? void 0 : backgroundSize.width) || gapX.value + props2.width, "px"),
          pointerEvents: "none",
          backgroundRepeat: backgroundRepeat.value,
          backgroundImage: "url('".concat(backgroundImage.value, "')"),
          animation: props2.movable ? "watermark infinite ".concat(props2.moveInterval * 4 / 60, "s") : "none"
        });
        (_watermarkRef$value = watermarkRef.value) === null || _watermarkRef$value === void 0 || _watermarkRef$value.append(watermarkContentRef.value);
      });
      if (props2.movable) {
        var keyframesStyle = randomMovingStyle();
        injectStyle(keyframesStyle);
      }
    };
    watch(function () {
      return [props2, fontColor.value];
    }, injectWaterMark, {
      deep: true
    });
    onMounted(function () {
      injectWaterMark();
      useMutationObserver(parent.value, function (mutations) {
        if (props2.removable) return;
        mutations.forEach(function (mutation) {
          if (mutation.type === "childList") {
            var removeNodes = mutation.removedNodes;
            removeNodes.forEach(function (node) {
              var element = node;
              if (element === watermarkRef.value) {
                parent.value.appendChild(element);
              }
              if (element === watermarkContentRef.value) {
                watermarkRef.value.appendChild(element);
              }
            });
          }
        });
      }, {
        attributes: true,
        childList: true,
        characterData: true,
        subtree: true
      });
    });
    return {
      gapX: gapX,
      gapY: gapY,
      backgroundRepeat: backgroundRepeat,
      backgroundImage: backgroundImage,
      watermarkRef: watermarkRef,
      watermarkContentRef: watermarkContentRef
    };
  },
  render: function render() {
    var h = arguments[0];
    var COMPONENT_NAME = usePrefixClass("watermark");
    var renderContent = useContent();
    return h("div", {
      "style": {
        position: "relative",
        overflow: "hidden",
        width: "100%"
      },
      "class": COMPONENT_NAME.value,
      "ref": "watermarkRef"
    }, [renderContent("default", "content")]);
  }
});

export { _Watermark as default };
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