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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) 2009-2020. 博锐尚格科技股份有限公司
- * ~8888'
- * .!88~ All rights reserved.
- *
- * *********************************************************************************************************************
- */
- import { SGraphStyleItem } from "@persagy-web/graph";
- import {
- SLineCapStyle,
- SPainter,
- SPath,
- SPoint,
- SPolygonUtil,
- SRect
- } from "@persagy-web/draw";
- import { SGraphItem } from "@persagy-web/graph/lib";
- import { ItemOrder } from "../config/ItemOrder";
- import { SItemStatus } from "..";
- import { SMouseEvent } from "@persagy-web/base";
- import { SMathUtil } from "@persagy-web/graph/lib/utils/SMathUtil";
- export class SSceneMaskItem extends SGraphStyleItem {
- /** 轮廓线坐标 */
- outline: SPoint[] = [];
- /** 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;
- /** 鼠标移动点 */
- private lastPoint = new SPoint();
- /** 蒙版 */
- private mask = new SPath();
- /** 是否完成绘制 */
- protected _status: SItemStatus = SItemStatus.Normal;
- get status(): SItemStatus {
- return this._status;
- }
- set status(v: SItemStatus) {
- this._status = v;
- this.update();
- }
- /**
- * 构造函数
- *
- * @param parent 指向父对象
- * @param data 蒙版起点数据
- */
- constructor(parent: SGraphItem | null, data: SPoint);
- /**
- * 构造函数
- *
- * @param parent 指向父对象
- * @param data 蒙版轮廓线数据
- */
- constructor(parent: SGraphItem | null, data: SPoint[]);
- /**
- * 构造函数
- *
- * @param parent 指向父对象
- * @param data 蒙版起点数据 | 蒙版轮廓线数据
- */
- constructor(parent: SGraphItem | null, data: SPoint[] | SPoint) {
- super(parent);
- // 数据是数组类型
- if (data instanceof Array) {
- this.outline = data;
- this.createMask();
- this.outline.forEach(it => {
- let x = it.x,
- y = it.y;
- if (x < this.minX) {
- this.minX = x;
- }
- if (y < this.minY) {
- this.minY = y;
- }
- if (x > this.maxX) {
- this.maxX = x;
- }
- if (y > this.maxY) {
- this.maxY = y;
- }
- });
- } else {
- this.outline.push(data);
- this.lastPoint = data;
- this.minY = data.y;
- this.maxY = data.y;
- this.minX = data.x;
- this.maxX = data.x;
- }
- this.zOrder = ItemOrder.sceneMarkOrder;
- }
- /**
- * 创建蒙版
- */
- createMask(): void {
- this.status = SItemStatus.Normal;
- this.releaseItem();
- this.$emit("finishCreated");
- this.mask = new SPath();
- this.mask.moveTo(Number.MIN_SAFE_INTEGER, Number.MIN_SAFE_INTEGER);
- this.mask.lineTo(Number.MAX_SAFE_INTEGER, Number.MIN_SAFE_INTEGER);
- this.mask.lineTo(Number.MAX_SAFE_INTEGER, Number.MAX_SAFE_INTEGER);
- this.mask.lineTo(Number.MIN_SAFE_INTEGER, Number.MAX_SAFE_INTEGER);
- this.mask.lineTo(Number.MIN_SAFE_INTEGER, Number.MIN_SAFE_INTEGER);
- let antiArr = this.outline.concat([]);
- // (计算基于数学坐标系统,在绘图坐标系由于y轴方向相反结果也要取反)
- if (SPolygonUtil.clockDir(antiArr) > 0) {
- antiArr = antiArr.reverse();
- }
- this.mask.polygon(antiArr);
- this.update();
- }
- /**
- * 外接矩阵
- */
- boundingRect(): SRect {
- return new SRect(
- this.minX,
- this.minY,
- this.maxX - this.minX,
- this.maxY - this.minY
- );
- }
- /**
- * 判断点是否在区域内
- *
- * @param x
- * @param y
- */
- contains(x: number, y: number): boolean {
- let arr = this.outline;
- return !SPolygonUtil.pointIn(x, y, arr);
- }
- /**
- * 鼠标按下事件
- *
- * @param event 事件参数
- * @return boolean
- */
- onMouseDown(event: SMouseEvent): boolean {
- // 创建态且为鼠标左键
- if (this.status == SItemStatus.Create && event.buttons == 1) {
- if (
- this.lastPoint.x == this.outline[0].x &&
- this.lastPoint.y == this.outline[0].y &&
- this.outline.length >= 3
- ) {
- this.createMask();
- return true;
- }
- let p = new SPoint(event.x, event.y);
- let x = p.x,
- y = p.y;
- this.lastPoint.x = x;
- this.lastPoint.y = y;
- this.outline.push(p);
- if (x < this.minX) {
- this.minX = x;
- }
- if (y < this.minY) {
- this.minY = y;
- }
- if (x > this.maxX) {
- this.maxX = x;
- }
- if (y > this.maxY) {
- this.maxY = y;
- }
- }
- this.update();
- return true;
- } // Function onMouseDown()
- /**
- * 鼠标移动事件
- *
- * @param event 事件参数
- * @return boolean
- */
- onMouseMove(event: SMouseEvent): boolean {
- // 创建态
- if (this.status == SItemStatus.Create) {
- this.lastPoint = new SPoint(event.x, event.y);
- // 点集包含3个以上数量
- if (this.outline.length >= 3) {
- let le = SMathUtil.pointDistance(
- this.lastPoint.x,
- this.lastPoint.y,
- this.outline[0].x,
- this.outline[0].y
- );
- // @ts-ignore
- let scale = this.parent.scene.view.scale;
- if (le * scale < 30) {
- this.lastPoint.x = this.outline[0].x;
- this.lastPoint.y = this.outline[0].y;
- }
- }
- }
- this.update();
- return true;
- } // Function onMouseMove()
- /***
- * 键盘按键弹起事件
- *
- * @param event 事件参数
- */
- onKeyUp(event: KeyboardEvent): void {
- // 回车键被按下且轮廓线有3个以上点
- if (event.keyCode == 13 && this.outline.length >= 3) {
- this.createMask();
- }
- } // Function onKeyUp()
- /**
- * Item绘制操作
- *
- * @param painter painter对象
- */
- onDraw(painter: SPainter): void {
- painter.pen.lineCapStyle = SLineCapStyle.Square;
- painter.pen.color = this.strokeColor;
- painter.brush.color = this.fillColor;
- // 线宽是否需要转像素
- if (this.widthIsPx) {
- painter.pen.lineWidth = painter.toPx(this.lineWidth);
- } else {
- painter.pen.lineWidth = this.lineWidth;
- }
- //正常态
- if (this.status == SItemStatus.Normal) {
- painter.drawPath(this.mask);
- } else if (this.status == SItemStatus.Create) {
- // 创建态
- painter.drawPolyline(this.outline);
- painter.drawLine(
- this.outline[this.outline.length - 1],
- this.lastPoint
- );
- }
- }
- }
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