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1 // Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // This is Image Transform extension for Rotate/Flip Transformations |
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15 // |
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16 // |
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17 |
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18 /** |
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19 @file |
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20 @publishedAll |
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21 @released |
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22 */ |
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23 |
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24 #ifndef __ORIENTATIONTRANFORMEEXTENSION_H__ |
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25 #define __ORIENTATIONTRANFORMEEXTENSION_H__ |
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26 |
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27 #include <e32base.h> |
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28 #include <icl/imagetransformpluginext.h> |
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29 #include <icl/icl_uids.hrh> |
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30 |
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31 /** |
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32 @publishedAll |
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33 @released |
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34 |
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35 The Orientation Extension to the ImageTransform plugin. |
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36 |
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37 The class provides the methods to set the image orientation and is intended to be implemented |
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38 by the plugins supporting the rotation of the image based on the orientation. The plugin |
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39 supporting this extension must use the opaque_data v2 format in RSS file and also the orientation flag |
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40 must be set in the opaque_data. The client must retrieve this extension implementation from |
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41 the plugin using its extension UID. |
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42 */ |
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43 class COrientationTransformExtension : public CImageTransformPluginExtension |
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44 { |
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45 public: |
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46 /** |
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47 The possible orientations of the image. Similar to the EXIF orientation tag |
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48 */ |
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49 enum TOrientation |
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50 { |
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51 /** |
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52 No rotation done |
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53 */ |
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54 ERotationNone = 1, |
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55 /** |
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56 Rotate the image clockwise through 90 degrees. |
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57 */ |
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58 ERotation90DegreesClockwise = 6, |
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59 /** |
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60 Rotate the image clockwise through 180 degrees. |
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61 */ |
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62 ERotation180DegreesClockwise = 3, |
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63 /** |
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64 Rotate the image clockwise through 270 degrees. |
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65 */ |
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66 ERotation270DegreesClockwise = 8, |
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67 /** |
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68 Mirror the image over its vertical axis |
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69 */ |
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70 EMirrorVerticalAxis = 2, |
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71 /** |
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72 Mirror the image over its horizontal axis |
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73 */ |
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74 EMirrorHorizontalAxis = 4, |
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75 /** |
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76 Transpose (or mirror) the image across a diagonal running from top-left to lower-right. |
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77 */ |
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78 ETransposeOverMainDiagonal = 5, |
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79 /** |
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80 Transpose (or mirror) the image across a diagonal running from top-right to lower-left. |
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81 */ |
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82 ETransposeOverMinorDiagonal = 7 |
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83 }; |
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84 |
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85 IMPORT_C void SetOrientationL(TOrientation aOrientation ) ; |
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86 |
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87 protected: |
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88 virtual void DoSetOrientationL(TOrientation aOrientation) = 0; |
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89 |
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90 private: |
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91 IMPORT_C virtual void ReservedVirtual5(); |
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92 |
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93 private: |
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94 // Future proofing |
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95 TAny* iPad; |
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96 }; |
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97 |
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98 #endif // __ORIENTATIONTRANFORMEEXTENSION_H__ |