逐步完成前后端服务器

frontend/node_modules/echarts/lib/component/helper/brushHelper.js

@@ -0,0 +1,71 @@
+
+/*
+* Licensed to the Apache Software Foundation (ASF) under one
+* or more contributor license agreements.  See the NOTICE file
+* distributed with this work for additional information
+* regarding copyright ownership.  The ASF licenses this file
+* to you under the Apache License, Version 2.0 (the
+* "License"); you may not use this file except in compliance
+* with the License.  You may obtain a copy of the License at
+*
+*   http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing,
+* software distributed under the License is distributed on an
+* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+* KIND, either express or implied.  See the License for the
+* specific language governing permissions and limitations
+* under the License.
+*/
+
+
+/**
+ * AUTO-GENERATED FILE. DO NOT MODIFY.
+ */
+
+/*
+* Licensed to the Apache Software Foundation (ASF) under one
+* or more contributor license agreements.  See the NOTICE file
+* distributed with this work for additional information
+* regarding copyright ownership.  The ASF licenses this file
+* to you under the Apache License, Version 2.0 (the
+* "License"); you may not use this file except in compliance
+* with the License.  You may obtain a copy of the License at
+*
+*   http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing,
+* software distributed under the License is distributed on an
+* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+* KIND, either express or implied.  See the License for the
+* specific language governing permissions and limitations
+* under the License.
+*/
+import BoundingRect from 'zrender/lib/core/BoundingRect.js';
+import { onIrrelevantElement } from './cursorHelper.js';
+import * as graphicUtil from '../../util/graphic.js';
+export function makeRectPanelClipPath(rect) {
+  rect = normalizeRect(rect);
+  return function (localPoints) {
+    return graphicUtil.clipPointsByRect(localPoints, rect);
+  };
+}
+export function makeLinearBrushOtherExtent(rect, specifiedXYIndex) {
+  rect = normalizeRect(rect);
+  return function (xyIndex) {
+    var idx = specifiedXYIndex != null ? specifiedXYIndex : xyIndex;
+    var brushWidth = idx ? rect.width : rect.height;
+    var base = idx ? rect.x : rect.y;
+    return [base, base + (brushWidth || 0)];
+  };
+}
+export function makeRectIsTargetByCursor(rect, api, targetModel) {
+  var boundingRect = normalizeRect(rect);
+  return function (e, localCursorPoint) {
+    return boundingRect.contain(localCursorPoint[0], localCursorPoint[1]) && !onIrrelevantElement(e, api, targetModel);
+  };
+}
+// Consider width/height is negative.
+function normalizeRect(rect) {
+  return BoundingRect.create(rect);
+}