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IJ2KDecoder.cs 3.1 KB

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  1. /*
  2. * Copyright (c) Contributors, http://opensimulator.org/
  3. * See CONTRIBUTORS.TXT for a full list of copyright holders.
  4. *
  5. * Redistribution and use in source and binary forms, with or without
  6. * modification, are permitted provided that the following conditions are met:
  7. * * Redistributions of source code must retain the above copyright
  8. * notice, this list of conditions and the following disclaimer.
  9. * * Redistributions in binary form must reproduce the above copyright
  10. * notice, this list of conditions and the following disclaimer in the
  11. * documentation and/or other materials provided with the distribution.
  12. * * Neither the name of the OpenSimulator Project nor the
  13. * names of its contributors may be used to endorse or promote products
  14. * derived from this software without specific prior written permission.
  15. *
  16. * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
  17. * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  18. * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  19. * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
  20. * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  21. * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  22. * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  23. * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  24. * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  25. * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26. */
  27. using System.Drawing;
  28. using OpenMetaverse;
  29. using OpenMetaverse.Imaging;
  30. namespace OpenSim.Region.Framework.Interfaces
  31. {
  32. public delegate void DecodedCallback(UUID AssetId, OpenJPEG.J2KLayerInfo[] layers);
  33. public interface IJ2KDecoder
  34. {
  35. void BeginDecode(UUID assetID, byte[] j2kData, DecodedCallback callback);
  36. /// <summary>
  37. /// Provides a synchronous decode so that caller can be assured that this executes before the next line
  38. /// </summary>
  39. /// <param name="assetID"></param>
  40. /// <param name="j2kData"></param>
  41. /// <returns>true if decode was successful. false otherwise.</returns>
  42. bool Decode(UUID assetID, byte[] j2kData);
  43. /// <summary>
  44. /// Provides a synchronous decode so that caller can be assured that this executes before the next line
  45. /// </summary>
  46. /// <param name="assetID"></param>
  47. /// <param name="j2kData"></param>
  48. /// <param name="layers">layer data</param>
  49. /// <param name="components">number of components</param>
  50. /// <returns>true if decode was successful. false otherwise.</returns>
  51. bool Decode(UUID assetID, byte[] j2kData, out OpenJPEG.J2KLayerInfo[] layers, out int components);
  52. /// <summary>
  53. /// Provides a synchronous decode direct to an image object
  54. /// </summary>
  55. /// <param name="j2kData"></param>
  56. /// <returns>decoded image or 'null' of unsuccessful</returns>
  57. Image DecodeToImage(byte[] j2kData);
  58. }
  59. }