137 lines
3.1 KiB
Java
137 lines
3.1 KiB
Java
/**
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* @fileOverview line shapes
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* @author dxq613@gmail.com
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* @author sima.zhang1990@gmail.com
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* @author huangtonger@aliyun.com
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# @author liuye10@yahoo.com
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*/
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var Util = require('../../util');
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var Shape = require('./shape');
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var ShapeUtil = require('../util/shape');
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var Global = require('../../global');
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function getAttrs(cfg) {
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var defaultCfg = Global.shape.polygon;
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var pathAttrs = Util.mix({}, defaultCfg, cfg.style);
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ShapeUtil.addFillAttrs(pathAttrs, cfg);
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return pathAttrs;
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}
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function getHollowAttrs(cfg) {
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var defaultCfg = Global.shape.hollowPolygon;
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var pathAttrs = Util.mix({}, defaultCfg, cfg.style);
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ShapeUtil.addStrokeAttrs(pathAttrs, cfg);
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return pathAttrs;
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}
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function getPath(points) {
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var flag = points[0];
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var i = 1;
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var path = [['M', flag.x, flag.y]];
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while (i < points.length) {
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var c = points[i];
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if (c.x !== points[i - 1].x || c.y !== points[i - 1].y) {
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path.push(['L', c.x, c.y]);
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if (c.x === flag.x && c.y === flag.y && i < points.length - 1) {
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flag = points[i + 1];
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path.push(['Z']);
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path.push(['M', flag.x, flag.y]);
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i++;
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}
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}
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i++;
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}
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if (!Util.isEqual(path[path.length - 1], flag)) {
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path.push(['L', flag.x, flag.y]);
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}
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path.push(['Z']);
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return path;
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} // regist line geom
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var Polygon = Shape.registerFactory('polygon', {
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defaultShapeType: 'polygon',
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getDefaultPoints: function getDefaultPoints(pointInfo) {
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var points = [];
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Util.each(pointInfo.x, function (subX, index) {
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var subY = pointInfo.y[index];
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points.push({
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x: subX,
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y: subY
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});
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});
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return points;
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},
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getActiveCfg: function getActiveCfg(type, cfg) {
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var lineWidth = cfg.lineWidth || 1;
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if (type === 'hollow') {
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return {
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lineWidth: lineWidth + 1
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};
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}
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var opacity = cfg.fillOpacity || cfg.opacity || 1;
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return {
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// lineWidth,
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fillOpacity: opacity - 0.08
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};
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},
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getSelectedCfg: function getSelectedCfg(type, cfg) {
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if (cfg && cfg.style) {
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return cfg.style;
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}
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return this.getActiveCfg(type, cfg);
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}
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});
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Shape.registerShape('polygon', 'polygon', {
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draw: function draw(cfg, container) {
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if (!Util.isEmpty(cfg.points)) {
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var attrs = getAttrs(cfg);
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var path = getPath(cfg.points);
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path = this.parsePath(path);
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return container.addShape('path', {
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attrs: Util.mix(attrs, {
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path: path
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})
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});
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}
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},
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getMarkerCfg: function getMarkerCfg(cfg) {
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return Util.mix({
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symbol: 'square',
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radius: 4
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}, getAttrs(cfg));
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}
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});
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Shape.registerShape('polygon', 'hollow', {
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draw: function draw(cfg, container) {
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if (!Util.isEmpty(cfg.points)) {
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var attrs = getHollowAttrs(cfg);
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var path = getPath(cfg.points);
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path = this.parsePath(path);
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return container.addShape('path', {
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attrs: Util.mix(attrs, {
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path: path
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})
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});
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}
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},
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getMarkerCfg: function getMarkerCfg(cfg) {
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return Util.mix({
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symbol: 'square',
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radius: 4
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}, getAttrs(cfg));
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}
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});
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module.exports = Polygon; |