SGradient.ts 3.4 KB

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  1. /*
  2. * *********************************************************************************************************************
  3. *
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  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, SGradientStop, SPoint } from "./";
  27. /**
  28. * 渐变颜色节点
  29. *
  30. * @author 庞利祥 <sybotan@126.com>
  31. */
  32. export abstract class SGradient {
  33. ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
  34. // 属性定义
  35. /** 起点 */
  36. start = new SPoint();
  37. /** 结束点 */
  38. end = new SPoint();
  39. /** 起点 X 坐标 */
  40. get x1(): number {
  41. return this.start.x;
  42. }
  43. set x1(value: number) {
  44. this.start.x = value;
  45. }
  46. /** 起点 Y 坐标 */
  47. get y1(): number {
  48. return this.start.y;
  49. }
  50. set y1(value: number) {
  51. this.start.y = value;
  52. }
  53. /** 终点 X 坐标 */
  54. get x2(): number {
  55. return this.end.x;
  56. }
  57. set x2(value: number) {
  58. this.end.x = value;
  59. }
  60. /** 终点 Y 坐标 */
  61. get y2(): number {
  62. return this.end.y;
  63. }
  64. set y2(value: number) {
  65. this.end.y = value;
  66. }
  67. /** 渐变颜色节点列表 */
  68. stopList: SGradientStop[] = [];
  69. /**
  70. * 添加渐变颜色节点
  71. *
  72. * @param pos 位置[0 - 1]
  73. * @param color 颜色
  74. */
  75. addColorStop(pos: number, color: SColor): void {
  76. this.stopList.push(new SGradientStop(pos, color));
  77. }
  78. /**
  79. * 设置起点坐标
  80. *
  81. * @param x X 坐标
  82. * @param y Y 坐标
  83. */
  84. setStart(x: number, y: number): void {
  85. this.start.x = x;
  86. this.start.y = y;
  87. }
  88. /**
  89. * 设置终点坐标
  90. *
  91. * @param x X 坐标
  92. * @param y Y 坐标
  93. */
  94. setEnd(x: number, y: number): void {
  95. this.end.x = x;
  96. this.end.y = y;
  97. }
  98. /**
  99. * 转为字符串保存
  100. *
  101. * @return 转为字符串保存
  102. */
  103. abstract value(): string;
  104. }