逐步完成前后端服务器

frontend/node_modules/echarts/lib/component/visualMap/visualEncoding.js

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+
+/*
+* 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 * as zrUtil from 'zrender/lib/core/util.js';
+import * as visualSolution from '../../visual/visualSolution.js';
+import VisualMapping from '../../visual/VisualMapping.js';
+import { getVisualFromData } from '../../visual/helper.js';
+export var visualMapEncodingHandlers = [{
+  createOnAllSeries: true,
+  reset: function (seriesModel, ecModel) {
+    var resetDefines = [];
+    ecModel.eachComponent('visualMap', function (visualMapModel) {
+      var pipelineContext = seriesModel.pipelineContext;
+      if (!visualMapModel.isTargetSeries(seriesModel) || pipelineContext && pipelineContext.large) {
+        return;
+      }
+      resetDefines.push(visualSolution.incrementalApplyVisual(visualMapModel.stateList, visualMapModel.targetVisuals, zrUtil.bind(visualMapModel.getValueState, visualMapModel), visualMapModel.getDataDimensionIndex(seriesModel.getData())));
+    });
+    return resetDefines;
+  }
+},
+// Only support color.
+{
+  createOnAllSeries: true,
+  reset: function (seriesModel, ecModel) {
+    var data = seriesModel.getData();
+    var visualMetaList = [];
+    ecModel.eachComponent('visualMap', function (visualMapModel) {
+      if (visualMapModel.isTargetSeries(seriesModel)) {
+        var visualMeta = visualMapModel.getVisualMeta(zrUtil.bind(getColorVisual, null, seriesModel, visualMapModel)) || {
+          stops: [],
+          outerColors: []
+        };
+        var dimIdx = visualMapModel.getDataDimensionIndex(data);
+        if (dimIdx >= 0) {
+          // visualMeta.dimension should be dimension index, but not concrete dimension.
+          visualMeta.dimension = dimIdx;
+          visualMetaList.push(visualMeta);
+        }
+      }
+    });
+    // console.log(JSON.stringify(visualMetaList.map(a => a.stops)));
+    seriesModel.getData().setVisual('visualMeta', visualMetaList);
+  }
+}];
+// FIXME
+// performance and export for heatmap?
+// value can be Infinity or -Infinity
+function getColorVisual(seriesModel, visualMapModel, value, valueState) {
+  var mappings = visualMapModel.targetVisuals[valueState];
+  var visualTypes = VisualMapping.prepareVisualTypes(mappings);
+  var resultVisual = {
+    color: getVisualFromData(seriesModel.getData(), 'color') // default color.
+  };
+  for (var i = 0, len = visualTypes.length; i < len; i++) {
+    var type = visualTypes[i];
+    var mapping = mappings[type === 'opacity' ? '__alphaForOpacity' : type];
+    mapping && mapping.applyVisual(value, getVisual, setVisual);
+  }
+  return resultVisual.color;
+  function getVisual(key) {
+    return resultVisual[key];
+  }
+  function setVisual(key, value) {
+    resultVisual[key] = value;
+  }
+}