SGraphShape.ts 5.0 KB

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  1. /*
  2. * *********************************************************************************************************************
  3. *
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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 } from "@persagy-web/draw";
  28. import { Style } from "..";
  29. import {
  30. SColor,
  31. SGradient,
  32. SLinearGradient,
  33. SRadialGradient
  34. } from "@persagy-web/draw/lib";
  35. /**
  36. * 图形item基类
  37. *
  38. * @author 郝建龙
  39. */
  40. export class SGraphShape extends SGraphItem {
  41. /** 当前item的风格 */
  42. style: Style | undefined;
  43. /**
  44. * 构造函数
  45. *
  46. * @param parent 父类
  47. * @param style item各种状态的样式
  48. * */
  49. constructor(parent: SGraphItem | null, style?: Style) {
  50. super(parent);
  51. this.style = style;
  52. } // Constructor
  53. /**
  54. * 绘制前设置绘制样式
  55. *
  56. * */
  57. setStyle(): string {
  58. let status = "default";
  59. if (this.style) {
  60. if (this.enabled) {
  61. if (this.selected) {
  62. status = "selected";
  63. }
  64. } else {
  65. status = "disabled";
  66. }
  67. }
  68. return status;
  69. } // Function setStyle()
  70. /**
  71. * 解析渐变样式
  72. *
  73. * @param str 渐变存储的字符串
  74. * @return SGradient
  75. * */
  76. parseFill(str: string): SGradient | undefined {
  77. const index1 = str.indexOf("{");
  78. const index2 = str.indexOf("}");
  79. const temp = str.substring(index1 + 1, index2 - 1);
  80. const dataArr = temp.split(";");
  81. if (str.indexOf("SLinearGradient") > -1) {
  82. try {
  83. // @ts-ignore
  84. const grad = new SLinearGradient(
  85. ...dataArr[0].split(","),
  86. // @ts-ignore
  87. ...dataArr[1].split(",")
  88. );
  89. for (let i = 2; i < dataArr.length; i++) {
  90. const cur = dataArr[i].split(",");
  91. grad.addColorStop(Number(cur[0]), new SColor(cur[1]));
  92. }
  93. return grad;
  94. } catch (e) {
  95. console.log("渐变颜色格式有误", e, str);
  96. }
  97. } else if (str.indexOf("SRadialGradient") > -1) {
  98. try {
  99. // @ts-ignore
  100. const grad = new SRadialGradient(
  101. ...dataArr[0].split(","),
  102. // @ts-ignore
  103. ...dataArr[1].split(",")
  104. );
  105. for (let i = 2; i < dataArr.length; i++) {
  106. const cur = dataArr[i].split(",");
  107. grad.addColorStop(Number(cur[0]), new SColor(cur[1]));
  108. }
  109. return grad;
  110. } catch (e) {
  111. console.log("渐变颜色格式有误", e, str);
  112. }
  113. }
  114. return undefined;
  115. } // parseFill()
  116. /**
  117. * 绘制
  118. *
  119. * @param painter painter对象
  120. * */
  121. onDraw(painter: SPainter): void {
  122. const status = this.setStyle();
  123. if (this.style && this.style[status]) {
  124. const grad = this.parseFill(this.style[status].fill);
  125. if (grad) {
  126. painter.brush.gradient = grad;
  127. } else {
  128. painter.brush.color = new SColor(this.style[status].fill);
  129. }
  130. painter.pen.color = new SColor(this.style[status].stroke);
  131. painter.pen.lineWidth = this.style[status].lineWidth;
  132. } else {
  133. painter.brush.color = SColor.White;
  134. }
  135. } // Function onDraw()
  136. } // Class SGraphShape()