/* * ********************************************************************************************************************* * * !! * .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 ); } } }