SPen.ts 3.5 KB

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  1. /*
  2. * *********************************************************************************************************************
  3. *
  4. * !!
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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 { SColor, SLineCapStyle, SLineJoinStyle } from "./";
  27. /**
  28. * 画笔
  29. *
  30. * @author 庞利祥 <sybotan@126.com>
  31. */
  32. export class SPen {
  33. /** 画笔颜色 */
  34. color = SColor.Black;
  35. /** 线宽 */
  36. lineWidth = 1;
  37. /** 线段端点样式 */
  38. lineCapStyle = SLineCapStyle.Butt;
  39. /** 线段与线段间接合处的样式 */
  40. lineJoinStyle = SLineJoinStyle.Miter;
  41. /** 限制当两条线相交时交接处最大长度 (默认值是10.0) */
  42. miterLimit = 10;
  43. /** 虚线样式 */
  44. lineDash: number[] | null = null;
  45. /** 虚线样式的起始偏移量 */
  46. dashOffset = 0;
  47. /**
  48. * 构造函数
  49. */
  50. constructor();
  51. /**
  52. * 构造函数
  53. *
  54. * @param pen 画笔
  55. */
  56. constructor(pen: SPen);
  57. /**
  58. * 构造函数
  59. *
  60. * @param color 颜色
  61. * @param lineWidth 线宽
  62. */
  63. constructor(color: SColor, lineWidth?: number);
  64. /**
  65. * 构造函数
  66. *
  67. * @param color 颜色 | 画笔
  68. * @param lineWidth 线宽
  69. */
  70. constructor(color?: SColor | SPen, lineWidth?: number) {
  71. // 重载 constructor();
  72. if (color == undefined) {
  73. return;
  74. }
  75. // 重载 constructor(pen: SPen);
  76. if (color instanceof SPen) {
  77. this.color = new SColor(color.color);
  78. this.lineWidth = color.lineWidth;
  79. this.lineCapStyle = color.lineCapStyle;
  80. this.lineJoinStyle = color.lineJoinStyle;
  81. this.miterLimit = color.miterLimit;
  82. this.dashOffset = color.dashOffset;
  83. this.lineDash =
  84. color.lineDash != null ? color.lineDash.slice() : null;
  85. } else { // 重载 constructor(color: SColor, lineWidth?: number);
  86. this.color = new SColor(color);
  87. this.lineWidth = lineWidth != undefined ? lineWidth : 1;
  88. }
  89. }
  90. }