wit-uniapp/node_modules/echarts/lib/chart/lines/linesLayout.js

/*
* 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.
*/

/* global Float32Array */
import createRenderPlanner from '../helper/createRenderPlanner.js';
import { error } from '../../util/log.js';
var linesLayout = {
  seriesType: 'lines',
  plan: createRenderPlanner(),
  reset: function (seriesModel) {
    var coordSys = seriesModel.coordinateSystem;

    if (!coordSys) {
      if (process.env.NODE_ENV !== 'production') {
        error('The lines series must have a coordinate system.');
      }

      return;
    }

    var isPolyline = seriesModel.get('polyline');
    var isLarge = seriesModel.pipelineContext.large;
    return {
      progress: function (params, lineData) {
        var lineCoords = [];

        if (isLarge) {
          var points = void 0;
          var segCount = params.end - params.start;

          if (isPolyline) {
            var totalCoordsCount = 0;

            for (var i = params.start; i < params.end; i++) {
              totalCoordsCount += seriesModel.getLineCoordsCount(i);
            }

            points = new Float32Array(segCount + totalCoordsCount * 2);
          } else {
            points = new Float32Array(segCount * 4);
          }

          var offset = 0;
          var pt = [];

          for (var i = params.start; i < params.end; i++) {
            var len = seriesModel.getLineCoords(i, lineCoords);

            if (isPolyline) {
              points[offset++] = len;
            }

            for (var k = 0; k < len; k++) {
              pt = coordSys.dataToPoint(lineCoords[k], false, pt);
              points[offset++] = pt[0];
              points[offset++] = pt[1];
            }
          }

          lineData.setLayout('linesPoints', points);
        } else {
          for (var i = params.start; i < params.end; i++) {
            var itemModel = lineData.getItemModel(i);
            var len = seriesModel.getLineCoords(i, lineCoords);
            var pts = [];

            if (isPolyline) {
              for (var j = 0; j < len; j++) {
                pts.push(coordSys.dataToPoint(lineCoords[j]));
              }
            } else {
              pts[0] = coordSys.dataToPoint(lineCoords[0]);
              pts[1] = coordSys.dataToPoint(lineCoords[1]);
              var curveness = itemModel.get(['lineStyle', 'curveness']);

              if (+curveness) {
                pts[2] = [(pts[0][0] + pts[1][0]) / 2 - (pts[0][1] - pts[1][1]) * curveness, (pts[0][1] + pts[1][1]) / 2 - (pts[1][0] - pts[0][0]) * curveness];
              }
            }

            lineData.setItemLayout(i, pts);
          }
        }
      }
    };
  }
};
export default linesLayout;