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| Rev | Author | Line No. | Line |
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| 2526 | - | 1 | using System; |
| 2 | using System.Collections.Generic; |
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| 3 | using System.Linq; |
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| 4 | using System.Text; |
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| 5 | using System.Runtime.InteropServices; |
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| 6 | using System.ComponentModel.Composition; |
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| 7 | |||
| 8 | namespace Touchless.Vision.Camera |
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| 9 | { |
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| 10 | public static class CameraService |
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| 11 | { |
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| 12 | private static WebCamLib.CameraMethods _cameraMethods; |
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| 13 | |||
| 14 | private static WebCamLib.CameraMethods CameraMethods |
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| 15 | { |
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| 16 | get |
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| 17 | { |
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| 18 | if (_cameraMethods == null) |
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| 19 | { |
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| 20 | try |
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| 21 | { |
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| 22 | _cameraMethods = new WebCamLib.CameraMethods(); |
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| 23 | |||
| 24 | } |
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| 25 | catch (Exception) |
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| 26 | { |
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| 27 | } |
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| 28 | |||
| 29 | } |
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| 30 | |||
| 31 | return _cameraMethods; |
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| 32 | } |
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| 33 | } |
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| 34 | |||
| 35 | [Export(ExportInterfaceNames.DefaultCamera)] |
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| 36 | public static Camera DefaultCamera |
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| 37 | { |
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| 38 | get { return AvailableCameras.FirstOrDefault(); } |
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| 39 | } |
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| 40 | |||
| 41 | private static List<Camera> _availableCameras; |
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| 42 | public static IList<Camera> AvailableCameras |
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| 43 | { |
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| 44 | get |
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| 45 | { |
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| 46 | try |
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| 47 | { |
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| 48 | if (_availableCameras == null && CameraMethods != null) |
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| 49 | { |
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| 50 | _availableCameras = BuildCameraList().ToList(); |
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| 51 | } |
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| 52 | |||
| 53 | } |
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| 54 | catch (Exception) |
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| 55 | { |
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| 56 | |||
| 57 | } |
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| 58 | |||
| 59 | |||
| 60 | return _availableCameras; |
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| 61 | } |
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| 62 | } |
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| 63 | public static void ClearCameraList() |
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| 64 | { |
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| 65 | _availableCameras = null; |
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| 66 | _cameraMethods = null; |
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| 67 | } |
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| 68 | |||
| 69 | private static IEnumerable<Camera> BuildCameraList() |
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| 70 | { |
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| 71 | if (CameraMethods != null) |
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| 72 | { |
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| 73 | for (int i = 0; i < CameraMethods.Count; i++) |
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| 74 | { |
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| 75 | WebCamLib.CameraInfo cameraInfo = CameraMethods.GetCameraInfo(i); |
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| 76 | yield return new Camera(CameraMethods, cameraInfo.Name, cameraInfo.Index); |
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| 77 | } |
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| 78 | } |
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| 79 | } |
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| 80 | } |
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| 81 | } |