singleAxisHelper.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.
*/
import * as zrUtil from 'zrender/src/core/util';
/**
* @param {Object} opt {labelInside}
* @return {Object} {
* position, rotation, labelDirection, labelOffset,
* tickDirection, labelRotate, z2
* }
*/
export function layout(axisModel, opt) {
opt = opt || {};
var single = axisModel.coordinateSystem;
var axis = axisModel.axis;
var layout = {};
var axisPosition = axis.position;
var orient = axis.orient;
var rect = single.getRect();
var rectBound = [rect.x, rect.x + rect.width, rect.y, rect.y + rect.height];
var positionMap = {
horizontal: {top: rectBound[2], bottom: rectBound[3]},
vertical: {left: rectBound[0], right: rectBound[1]}
};
layout.position = [
orient === 'vertical'
? positionMap.vertical[axisPosition]
: rectBound[0],
orient === 'horizontal'
? positionMap.horizontal[axisPosition]
: rectBound[3]
];
var r = {horizontal: 0, vertical: 1};
layout.rotation = Math.PI / 2 * r[orient];
var directionMap = {top: -1, bottom: 1, right: 1, left: -1};
layout.labelDirection = layout.tickDirection
= layout.nameDirection
= directionMap[axisPosition];
if (axisModel.get('axisTick.inside')) {
layout.tickDirection = -layout.tickDirection;
}
if (zrUtil.retrieve(opt.labelInside, axisModel.get('axisLabel.inside'))) {
layout.labelDirection = -layout.labelDirection;
}
var labelRotation = opt.rotate;
labelRotation == null && (labelRotation = axisModel.get('axisLabel.rotate'));
layout.labelRotation = axisPosition === 'top' ? -labelRotation : labelRotation;
layout.z2 = 1;
return layout;
}