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node_modules/echarts/lib/component/visualMap/visualEncoding.js 4.21 KB
aaac7fed   liuqimichale   add
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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.
  */
  
  var echarts = require("../../echarts");
  
  var zrUtil = require("zrender/lib/core/util");
  
  var visualSolution = require("../../visual/visualSolution");
  
  var VisualMapping = require("../../visual/VisualMapping");
  
  /*
  * 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.
  */
  var VISUAL_PRIORITY = echarts.PRIORITY.VISUAL.COMPONENT;
  echarts.registerVisual(VISUAL_PRIORITY, {
    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.getDataDimension(seriesModel.getData())));
      });
      return resetDefines;
    }
  }); // Only support color.
  
  echarts.registerVisual(VISUAL_PRIORITY, {
    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 concreteDim = visualMapModel.getDataDimension(data);
          var dimInfo = data.getDimensionInfo(concreteDim);
  
          if (dimInfo != null) {
            // visualMeta.dimension should be dimension index, but not concrete dimension.
            visualMeta.dimension = dimInfo.index;
            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: seriesModel.getData().getVisual('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;
    }
  }