lepu-test-platform-web/node_modules/echarts/lib/chart/helper/createClipPathFromCoordSys.js

124 lines
3.8 KiB
JavaScript

/*
* 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 graphic = require("../../util/graphic");
var _number = require("../../util/number");
var round = _number.round;
/*
* 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 createGridClipPath(cartesian, hasAnimation, seriesModel) {
var rect = cartesian.getArea();
var isHorizontal = cartesian.getBaseAxis().isHorizontal();
var x = rect.x;
var y = rect.y;
var width = rect.width;
var height = rect.height;
var lineWidth = seriesModel.get('lineStyle.width') || 2; // Expand the clip path a bit to avoid the border is clipped and looks thinner
x -= lineWidth / 2;
y -= lineWidth / 2;
width += lineWidth;
height += lineWidth; // fix: https://github.com/apache/incubator-echarts/issues/11369
x = Math.floor(x);
width = Math.round(width);
var clipPath = new graphic.Rect({
shape: {
x: x,
y: y,
width: width,
height: height
}
});
if (hasAnimation) {
clipPath.shape[isHorizontal ? 'width' : 'height'] = 0;
graphic.initProps(clipPath, {
shape: {
width: width,
height: height
}
}, seriesModel);
}
return clipPath;
}
function createPolarClipPath(polar, hasAnimation, seriesModel) {
var sectorArea = polar.getArea(); // Avoid float number rounding error for symbol on the edge of axis extent.
var clipPath = new graphic.Sector({
shape: {
cx: round(polar.cx, 1),
cy: round(polar.cy, 1),
r0: round(sectorArea.r0, 1),
r: round(sectorArea.r, 1),
startAngle: sectorArea.startAngle,
endAngle: sectorArea.endAngle,
clockwise: sectorArea.clockwise
}
});
if (hasAnimation) {
clipPath.shape.endAngle = sectorArea.startAngle;
graphic.initProps(clipPath, {
shape: {
endAngle: sectorArea.endAngle
}
}, seriesModel);
}
return clipPath;
}
function createClipPath(coordSys, hasAnimation, seriesModel) {
if (!coordSys) {
return null;
} else if (coordSys.type === 'polar') {
return createPolarClipPath(coordSys, hasAnimation, seriesModel);
} else if (coordSys.type === 'cartesian2d') {
return createGridClipPath(coordSys, hasAnimation, seriesModel);
}
return null;
}
exports.createGridClipPath = createGridClipPath;
exports.createPolarClipPath = createPolarClipPath;
exports.createClipPath = createClipPath;