Parameter.cs 2.4 KB

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  1. #region MIT License
  2. /*Copyright (c) 2012 Robert Rouhani <robert.rouhani@gmail.com>
  3. SharpFont based on Tao.FreeType, Copyright (c) 2003-2007 Tao Framework Team
  4. Permission is hereby granted, free of charge, to any person obtaining a copy of
  5. this software and associated documentation files (the "Software"), to deal in
  6. the Software without restriction, including without limitation the rights to
  7. use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
  8. of the Software, and to permit persons to whom the Software is furnished to do
  9. so, subject to the following conditions:
  10. The above copyright notice and this permission notice shall be included in all
  11. copies or substantial portions of the Software.
  12. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  13. IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  14. FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  15. AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  16. LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  17. OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  18. SOFTWARE.*/
  19. #endregion
  20. using System;
  21. using System.Runtime.InteropServices;
  22. using SharpFont.Internal;
  23. namespace SharpFont
  24. {
  25. /// <summary>
  26. /// A simple structure used to pass more or less generic parameters to <see cref="Library.OpenFace"/>.
  27. /// </summary>
  28. /// <remarks>
  29. /// The ID and function of parameters are driver-specific. See the various <see cref="ParamTag"/> flags for more
  30. /// information.
  31. /// </remarks>
  32. public sealed class Parameter
  33. {
  34. #region Fields
  35. private IntPtr reference;
  36. private ParameterRec rec;
  37. #endregion
  38. #region Constructors
  39. internal Parameter(IntPtr reference)
  40. {
  41. Reference = reference;
  42. }
  43. #endregion
  44. #region Properties
  45. /// <summary>
  46. /// Gets a four-byte identification tag.
  47. /// </summary>
  48. [CLSCompliant(false)]
  49. public ParamTag Tag
  50. {
  51. get
  52. {
  53. return (ParamTag)rec.tag;
  54. }
  55. }
  56. /// <summary>
  57. /// Gets a pointer to the parameter data.
  58. /// </summary>
  59. public IntPtr Data
  60. {
  61. get
  62. {
  63. return rec.data;
  64. }
  65. }
  66. internal IntPtr Reference
  67. {
  68. get
  69. {
  70. return reference;
  71. }
  72. set
  73. {
  74. reference = value;
  75. rec = PInvokeHelper.PtrToStructure<ParameterRec>(reference);
  76. }
  77. }
  78. internal ParameterRec Record
  79. {
  80. get
  81. {
  82. return rec;
  83. }
  84. }
  85. #endregion
  86. }
  87. }