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Rev | Author | Line No. | Line |
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2484 | - | 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 | _cameraMethods = new WebCamLib.CameraMethods(); |
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21 | } |
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22 | |||
23 | return _cameraMethods; |
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24 | } |
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25 | } |
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26 | |||
27 | [Export(ExportInterfaceNames.DefaultCamera)] |
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28 | public static Camera DefaultCamera |
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29 | { |
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30 | get { return AvailableCameras.FirstOrDefault(); } |
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31 | } |
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32 | |||
33 | private static List<Camera> _availableCameras; |
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34 | public static IList<Camera> AvailableCameras |
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35 | { |
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36 | get |
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37 | { |
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38 | if (_availableCameras == null) |
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39 | { |
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40 | _availableCameras = BuildCameraList().ToList(); |
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41 | } |
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42 | |||
43 | return _availableCameras; |
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44 | } |
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45 | } |
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46 | public static void ClearCameraList() |
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47 | { |
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48 | _availableCameras = null; |
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49 | _cameraMethods = null; |
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50 | } |
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51 | |||
52 | private static IEnumerable<Camera> BuildCameraList() |
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53 | { |
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54 | for (int i = 0; i < CameraMethods.Count; i++) |
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55 | { |
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56 | WebCamLib.CameraInfo cameraInfo = CameraMethods.GetCameraInfo(i); |
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57 | yield return new Camera(CameraMethods, cameraInfo.Name, cameraInfo.Index); |
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58 | } |
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59 | } |
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60 | } |
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61 | } |