SGraphPolyGroupItem.ts 4.3 KB

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  1. /*
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  19. * .:R888888I
  20. * .&888888I Copyright (c) 2009-2020. 博锐尚格科技股份有限公司
  21. * ~8888'
  22. * .!88~ All rights reserved.
  23. *
  24. * *********************************************************************************************************************
  25. */
  26. import { SGraphItem } from "../SGraphItem";
  27. import { SPainter, SPoint, SPolygonUtil, SRect } from "@persagy-web/draw/lib";
  28. import { SGraphShape } from "./SGraphShape";
  29. import { PolyGroup } from "../types/PolyGroup";
  30. /**
  31. * 多边形组
  32. *
  33. * @author 郝建龙
  34. */
  35. export class SGraphPolyGroupItem extends SGraphShape {
  36. /** X坐标最小值 */
  37. private minX = Number.MAX_SAFE_INTEGER;
  38. /** X坐标最大值 */
  39. private maxX = Number.MIN_SAFE_INTEGER;
  40. /** Y坐标最小值 */
  41. private minY = Number.MAX_SAFE_INTEGER;
  42. /** Y坐标最大值 */
  43. private maxY = Number.MIN_SAFE_INTEGER;
  44. /** 墙轮廓线坐标list */
  45. private readonly pointList: SPoint[][] = [];
  46. /**
  47. * 构造函数
  48. *
  49. * @param parent 父类
  50. * @param data 轮廓线及风格数据
  51. * */
  52. constructor(parent: SGraphItem | null, data: PolyGroup) {
  53. super(parent, data.Style);
  54. this.minX = data.Outline[0][0].X;
  55. this.maxX = this.minX;
  56. this.minY = -data.Outline[0][0].Y;
  57. this.maxY = this.minY;
  58. this.pointList = data.Outline.map((t): SPoint[] => {
  59. return t.map(
  60. (it): SPoint => {
  61. let x = it.X,
  62. y = -it.Y;
  63. if (x < this.minX) {
  64. this.minX = x;
  65. }
  66. if (y < this.minY) {
  67. this.minY = y;
  68. }
  69. if (x > this.maxX) {
  70. this.maxX = x;
  71. }
  72. if (y > this.maxY) {
  73. this.maxY = y;
  74. }
  75. return new SPoint(x, y);
  76. }
  77. );
  78. });
  79. } // Constructor
  80. /**
  81. * Item对象边界区域
  82. *
  83. * @return SRect
  84. */
  85. boundingRect(): SRect {
  86. return new SRect(
  87. this.minX,
  88. this.minY,
  89. this.maxX - this.minX,
  90. this.maxY - this.minY
  91. );
  92. } // Function boundingRect()
  93. /**
  94. * 判断点是否在区域内
  95. *
  96. * @param x
  97. * @param y
  98. * @return boolean
  99. */
  100. contains(x: number, y: number): boolean {
  101. let arr = this.pointList;
  102. for (let i = 0; i < arr.length; i++) {
  103. if (SPolygonUtil.pointIn(x, y, arr[i])) {
  104. return true;
  105. }
  106. }
  107. return false;
  108. } // Function contains()
  109. /**
  110. * Item绘制操作
  111. *
  112. * @param painter painter对象
  113. */
  114. onDraw(painter: SPainter): void {
  115. super.onDraw(painter);
  116. this.pointList.forEach((t): void => {
  117. painter.drawPolygon(t);
  118. });
  119. } // Function onDraw()
  120. } // Class SGraphPolyGroupItem