points.js
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var _util = require("zrender/lib/core/util");
var map = _util.map;
var createRenderPlanner = require("../chart/helper/createRenderPlanner");
var _dataStackHelper = require("../data/helper/dataStackHelper");
var isDimensionStacked = _dataStackHelper.isDimensionStacked;
/*
* 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.
*/
function _default(seriesType) {
return {
seriesType: seriesType,
plan: createRenderPlanner(),
reset: function (seriesModel) {
var data = seriesModel.getData();
var coordSys = seriesModel.coordinateSystem;
var pipelineContext = seriesModel.pipelineContext;
var isLargeRender = pipelineContext.large;
if (!coordSys) {
return;
}
var dims = map(coordSys.dimensions, function (dim) {
return data.mapDimension(dim);
}).slice(0, 2);
var dimLen = dims.length;
var stackResultDim = data.getCalculationInfo('stackResultDimension');
if (isDimensionStacked(data, dims[0]
/*, dims[1]*/
)) {
dims[0] = stackResultDim;
}
if (isDimensionStacked(data, dims[1]
/*, dims[0]*/
)) {
dims[1] = stackResultDim;
}
function progress(params, data) {
var segCount = params.end - params.start;
var points = isLargeRender && new Float32Array(segCount * dimLen);
for (var i = params.start, offset = 0, tmpIn = [], tmpOut = []; i < params.end; i++) {
var point;
if (dimLen === 1) {
var x = data.get(dims[0], i);
point = !isNaN(x) && coordSys.dataToPoint(x, null, tmpOut);
} else {
var x = tmpIn[0] = data.get(dims[0], i);
var y = tmpIn[1] = data.get(dims[1], i); // Also {Array.<number>}, not undefined to avoid if...else... statement
point = !isNaN(x) && !isNaN(y) && coordSys.dataToPoint(tmpIn, null, tmpOut);
}
if (isLargeRender) {
points[offset++] = point ? point[0] : NaN;
points[offset++] = point ? point[1] : NaN;
} else {
data.setItemLayout(i, point && point.slice() || [NaN, NaN]);
}
}
isLargeRender && data.setLayout('symbolPoints', points);
}
return dimLen && {
progress: progress
};
}
};
}
module.exports = _default;