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- /*
- * *********************************************************************************************************************
- *
- * !!
- * .F88X
- * X8888Y
- * .}888888N;
- * i888888N; .:! .I$WI:
- * R888888I .'N88~ i8}+8Y&8"l8i$8>8W~'>W8}8]KW+8IIN"8&
- * .R888888I .;N8888~ .X8' "8I.!,/8" !%NY8`"8I8~~8>,88I
- * +888888N; .8888888Y "&&8Y.}8,
- * ./888888N; .R888888Y .'}~ .>}'.`+> i}! "i' +/' .'i~ !11,.:">, .~]! .i}i
- * ~888888%: .I888888l .]88~`1/iY88Ii+1'.R$8$8]"888888888> Y8$ W8E X8E W8888'188Il}Y88$*
- * 18888888 E8888881 .]W%8$`R8X'&8%++N8i,8N%N8+l8%` .}8N:.R$RE%N88N%N$K$R 188,FE$8%~Y88I
- * .E888888I .i8888888' .:$8I;88+`E8R:/8N,.>881.`$8E/1/]N8X.Y8N`"KF&&FK!'88*."88K./$88%RN888+~
- * 8888888I .,N888888~ ~88i"8W,!N8*.I88.}888%F,i$88"F88" 888:E8X.>88!i88>`888*.}Fl1]*}1YKi'
- * i888888N' I888Y ]88;/EX*IFKFK88X K8R .l8W 88Y ~88}'88E&%8W.X8N``]88!.$8K .:W8I
- * .i888888N; I8Y .&8$ .X88! i881.:%888>I88 ;88] +88+.';;;;:.Y88X 18N.,88l .+88/
- * .:R888888I
- * .&888888I Copyright (c) 2009-2021. 博锐尚格科技股份有限公司
- * ~8888'
- * .!88~ All rights reserved.
- *
- * *********************************************************************************************************************
- */
- import {
- SGraphItem,
- SGraphStyleItem,
- SLineStyle
- } from "@persagy-web/graph/lib";
- import { SPoint, SPainter, SRect, SPath } from "@persagy-web/draw";
- /**
- * 圆角折线 item
- *
- * @author 郝建龙 <haojianlong@sagacloud.com>
- */
- export default class SCircleCornerPolylineItem extends SGraphStyleItem {
- /** X 坐标最小值 */
- private minX = Number.MAX_SAFE_INTEGER;
- /** X 坐标最大值 */
- private maxX = Number.MIN_SAFE_INTEGER;
- /** Y 坐标最小值 */
- private minY = Number.MAX_SAFE_INTEGER;
- /** Y 坐标最大值 */
- private maxY = Number.MIN_SAFE_INTEGER;
- /** 折点信息 */
- pointList: SPoint[] = [];
- /** 圆角半径 */
- private _radius: number = 5;
- get radius(): number {
- return this._radius;
- }
- set radius(v: number) {
- if (v === this._radius) {
- return;
- }
- this._radius = v;
- this.update();
- }
- /** 圆角半径是否需要转像素值 */
- radiusIsPx: boolean = false;
- /** path 对象 */
- path: SPath = new SPath();
- /**
- * 构造函数
- */
- constructor(parent: SGraphItem | null, list: SPoint[]) {
- super(parent);
- this.pointList = list;
- }
- /**
- * Item 对象边界区域
- *
- * @return 外接矩阵
- */
- boundingRect(): SRect {
- if (this.pointList.length) {
- this.minX = this.pointList[0].x;
- this.maxX = this.pointList[0].x;
- this.minY = this.pointList[0].y;
- this.maxY = this.pointList[0].y;
- this.pointList.forEach((it): void => {
- let x = it.x,
- y = it.y;
- // 如果数据 x 坐标小于 x 坐标最小值
- if (x < this.minX) {
- this.minX = x;
- }
- // 如果数据 y 坐标小于 y 坐标最小值
- if (y < this.minY) {
- this.minY = y;
- }
- // 如果数据 x 坐标大于 x 坐标最小值
- if (x > this.maxX) {
- this.maxX = x;
- }
- // 如果数据 y 坐标大于 y 坐标最小值
- if (y > this.maxY) {
- this.maxY = y;
- }
- });
- }
- return new SRect(
- this.minX,
- this.minY,
- this.maxX - this.minX,
- this.maxY - this.minY
- );
- }
- /**
- * 根据点集生成 path 对象
- *
- * @param list 需要生成的点击
- * @param r 拐点处圆角半径
- */
- generatePath(list: SPoint[], r: number = 0): void {
- const len = list.length;
- if (len) {
- this.path = new SPath();
- this.path.moveTo(list[0].x, list[0].y);
- for (let i = 1; i < len - 1; i++) {
- const temp = list[i];
- const next = list[i + 1];
- this.path.arcTo(temp.x, temp.y, next.x, next.y, r);
- }
- const last = list[len - 1];
- this.path.lineTo(last.x, last.y);
- }
- }
- /**
- * Item 绘制操作
- *
- * @param painter 绘制对象
- */
- onDraw(painter: SPainter): void {
- // 绘制基本图形
- painter.pen.color = this.strokeColor;
- // 线宽是否缩放
- if (this.widthIsPx) {
- painter.pen.lineWidth = painter.toPx(this.lineWidth);
- } else {
- painter.pen.lineWidth = this.lineWidth;
- }
- // 虚线
- if (this.lineStyle == SLineStyle.Dashed) {
- painter.pen.lineDash = [
- painter.toPx(this.lineWidth * 3),
- painter.toPx(this.lineWidth * 7)
- ];
- } else if (this.lineStyle == SLineStyle.Dotted) {
- // 点线
- painter.pen.lineDash = [
- painter.toPx(this.lineWidth),
- painter.toPx(this.lineWidth)
- ];
- }
- const temp = JSON.parse(JSON.stringify(this.pointList));
- // 折线点数2个以上
- if (temp.length > 2) {
- let radius = this.radius;
- if (this.radiusIsPx) {
- radius = painter.toPx(this.radius);
- }
- this.generatePath(temp, radius);
- painter.drawPath(this.path);
- } else {
- // 否则
- painter.drawPolyline(temp);
- }
- }
- }
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