ArcGIS Engine代码共享-颜色（Color）对象函数
分类： ArcGIS Engine2012-01-16 14:36 2287人阅读 评论(0) 收藏 举报
classrandomlistmethodsbytenull 1. public class ColorHelper 2. {
3. // Fields
4. private static Random m_random = new Random(); 5.
6. // Methods
7. public static Color CreateColor(IColor esriColor) 8. {
9. Color black = Color.Black; 10. if (esriColor != null) 11. {
12. if (esriColor is IRgbColor) 13. {
14. IRgbColor color2 = esriColor as IRgbColor;
15. black = Color.FromArgb(color2.Red, color2.Green, color2.Blue); 16. } 17. else 18. {
19. int red = esriColor.RGB % 0x100;
20. int green = (esriColor.RGB / 0x100) % 0x100;
21. int blue = ((esriColor.RGB / 0x100) / 0x100) % 0x100; 22. black = Color.FromArgb(red, green, blue); 23. } 24. }
25. return black; 26. } 27.
28. public static IColor CreateColor(Color msColor) 29. {
30. return CreateColor(msColor.R, msColor.G, msColor.B); 31. } 32.
33. public static IColor CreateColor(int red, int green, int blue) 34. {
35. RgbColorClass class2 = new RgbColorClass(); 36. class2.Red = red; 37. class2.Green = green; 38. class2.Blue = blue; 39. return class2;
40. } 41.
42. public static IColor CreateColor(byte alpha, int red, int green, int blue) 43. {
44. RgbColorClass class2 = new RgbColorClass(); 45. class2.Red = red; 46. class2.Green = green; 47. class2.Blue = blue;
48. class2.Transparency = alpha; 49. return class2; 50. } 51.
52. public static IColor CreateRandomColor() 53. {
54. return CreateRandomColor(100); 55. } 56.
57. public static IColor CreateRandomColor(byte alpha) 58. {
59. int red = m_random.Next(0xff); 60. int green = m_random.Next(0xff); 61. int blue = m_random.Next(0xff);
62. return CreateColor(alpha, red, green, blue); 63. } 64.
65. public static List
67. List
71. Color item = CreateRandomMSColor(); 72. if (!list.Contains(item)) 73. {
74. list.Add(item); 75. } 76. }
77. foreach (Color color2 in list) 78. {
79. list2.Add(CreateColor(color2)); 80. }
81. return list2; 82. } 83.
84. public static Color CreateRandomMSColor() 85. {
86. int red = m_random.Next(0xff); 87. int green = m_random.Next(0xff); 88. int blue = m_random.Next(0xff);
89. return Color.FromArgb(red, green, blue); 90. } 91. }