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/IronPython_Main/Languages/Ruby/Samples/Tutorial/wpf/SplashScreen.cs

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C# | 59 lines | 26 code | 4 blank | 29 comment | 1 complexity | e7d56e782694c407e6e9b295ddb95bad MD5 | raw file
Possible License(s): GPL-2.0, MPL-2.0-no-copyleft-exception, CPL-1.0, CC-BY-SA-3.0, BSD-3-Clause, ISC, AGPL-3.0, LGPL-2.1, Apache-2.0
  1. /* ****************************************************************************
  2. *
  3. * Copyright (c) Microsoft Corporation.
  4. *
  5. * This source code is subject to terms and conditions of the Apache License, Version 2.0. A
  6. * copy of the license can be found in the License.html file at the root of this distribution. If
  7. * you cannot locate the Apache License, Version 2.0, please send an email to
  8. * ironruby@microsoft.com. By using this source code in any fashion, you are agreeing to be bound
  9. * by the terms of the Apache License, Version 2.0.
  10. *
  11. * You must not remove this notice, or any other, from this software.
  12. *
  13. *
  14. * ***************************************************************************/
  15. using System;
  16. using System.Diagnostics;
  17. using System.IO;
  18. using System.Resources;
  19. using System.Windows;
  20. /// <summary>
  21. /// This assembly is used to embed a splash screen image. System.Windows.SplashScreen only supports
  22. /// embedded images. We could avoid the need to use compiled C# code and instead generate a Ref.Emit
  23. /// on the fly to hold the embedded image resource, but it might affect start up time.
  24. ///
  25. /// Run the following commands to create SplashScreen.dll:
  26. /// csc /t:library /r:WindowsBase.dll SplashScreen.cs
  27. /// rbx -e "require 'SplashScreen.dll'; SplashScreen::SplashScreen.write_image_resource 'SplashScreen.png', 'SplashScreen.g.resources'"
  28. /// csc /t:library /r:WindowsBase.dll /resource:SplashScreen.g.resources SplashScreen.cs
  29. /// </summary>
  30. namespace SplashScreen {
  31. public class SplashScreen {
  32. /// <summary>
  33. /// Creates a resources file with an image
  34. /// </summary>
  35. /// <param name="imageSourcePath"></param>
  36. /// <param name="outputPath"></param>
  37. public static void WriteImageResource(string imageSourcePath, string outputPath) {
  38. Debug.Assert(imageSourcePath.EndsWith(".png"));
  39. Debug.Assert(outputPath.EndsWith(".resources"));
  40. FileInfo fileInfo = new FileInfo(imageSourcePath);
  41. FileStream fsSource = fileInfo.OpenRead();
  42. byte[] bytes = new byte[fileInfo.Length + 1];
  43. int bytesRead = fsSource.Read(bytes, 0, bytes.Length);
  44. Debug.Assert(bytesRead == fileInfo.Length);
  45. MemoryStream memoryStream = new MemoryStream(bytes, 0, bytesRead);
  46. ResourceWriter resw = new ResourceWriter(outputPath);
  47. resw.AddResource(imageSourcePath.ToLowerInvariant(), memoryStream);
  48. resw.Close();
  49. }
  50. public static void Show() {
  51. var s = new System.Windows.SplashScreen(typeof(SplashScreen).Assembly, "splashscreen.png");
  52. s.Show(true);
  53. }
  54. }
  55. }