|
1 /* |
|
2 * Copyright (c) 2004 Nokia Corporation and/or its subsidiary(-ies). |
|
3 * All rights reserved. |
|
4 * This component and the accompanying materials are made available |
|
5 * under the terms of "Eclipse Public License v1.0" |
|
6 * which accompanies this distribution, and is available |
|
7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
|
8 * |
|
9 * Initial Contributors: |
|
10 * Nokia Corporation - initial contribution. |
|
11 * |
|
12 * Contributors: |
|
13 * |
|
14 * Description: Image Transforms subsystem. |
|
15 * |
|
16 */ |
|
17 |
|
18 |
|
19 |
|
20 |
|
21 #ifndef CVTIMAGEROTATORIMPLMIRRORFLIP_H |
|
22 #define CVTIMAGEROTATORIMPLMIRRORFLIP_H |
|
23 |
|
24 // INCLUDE FILES |
|
25 |
|
26 #include "CVtImageRotatorImpl.h" |
|
27 |
|
28 // FORWARD DECLARATIONS |
|
29 |
|
30 class CVtImage; |
|
31 class CVtImageIYUV; |
|
32 |
|
33 // CLASS DECLARATIONS |
|
34 |
|
35 /** |
|
36 * Image scaler implementation. |
|
37 * |
|
38 * @lib videosource.lib |
|
39 */ |
|
40 class CVtImageRotatorImplMirrorFlip : public CVtImageRotatorImpl |
|
41 { |
|
42 public: |
|
43 /** |
|
44 * C++ constructor |
|
45 * @param "aAngle" Selected rotation angle. |
|
46 */ |
|
47 CVtImageRotatorImplMirrorFlip( const CVtImageRotator::TRotationAngle& aAngle ); |
|
48 |
|
49 /** |
|
50 * Rotates the image. |
|
51 * @param "aContinue" When method returns, this parameter will contain |
|
52 * ETrue if new call is needed (i.e. scaling is not yet finished) or |
|
53 * EFalse if scaling is complete. |
|
54 * @return KErrNone or one of the system wide error codes. |
|
55 */ |
|
56 TInt Rotate( TBool& aContinue ); |
|
57 |
|
58 /** |
|
59 * Source and target image validation method. |
|
60 * @param "aSource" Constant reference to source image. |
|
61 * @param "aTarget" Constant reference to target image. |
|
62 * @exception If source or target is not valid, this method leaves |
|
63 * with KErrNotSupported. |
|
64 */ |
|
65 void ValidateSourceTargetL( |
|
66 const CVtImage& aSource, |
|
67 CVtImage& aTarget ); |
|
68 |
|
69 /** |
|
70 * Method for checking specific rotation angle support. |
|
71 * @param "aAngle" Rotation type that will be needed. |
|
72 * @return ETrue if aAngle is one of the supported rotation types |
|
73 * EFalse otherwise. |
|
74 */ |
|
75 TBool SupportsRotationAngle( const CVtImageRotator::TRotationAngle& aAngle ); |
|
76 |
|
77 private: |
|
78 |
|
79 /** |
|
80 * Mirrors image horizontally from iSource to iTarget. |
|
81 */ |
|
82 void Mirror(); |
|
83 |
|
84 /** |
|
85 * Mirrors image horizontally from aTarget to aTarget. |
|
86 */ |
|
87 void Mirror( CVtImage& aTarget ); |
|
88 |
|
89 /** |
|
90 * Mirrors IYUV image from iSource to iTarget. |
|
91 */ |
|
92 void MirrorIYUV |
|
93 ( |
|
94 const CVtImageIYUV& aSource, |
|
95 CVtImageIYUV& aTarget |
|
96 ); |
|
97 |
|
98 /** |
|
99 * Mirrors one plane of IYUV image from iSource to iTarget. |
|
100 */ |
|
101 void MirrorPlane |
|
102 ( |
|
103 TUint8* aSource, |
|
104 TUint8* aTarget, |
|
105 TInt aWidth, |
|
106 TInt aHeight, |
|
107 TInt aBytesPerRow |
|
108 ); |
|
109 |
|
110 /** |
|
111 * Flips image vertically from iSource to iTarget. |
|
112 */ |
|
113 void Flip(); |
|
114 |
|
115 /** |
|
116 * Flips image vertically from aTarget to aTarget. |
|
117 */ |
|
118 void Flip( CVtImage& aTarget ); |
|
119 |
|
120 /** |
|
121 * Flips IYUV image vertically from iSource to iTarget. |
|
122 */ |
|
123 void FlipIYUV |
|
124 ( |
|
125 const CVtImageIYUV& aSource, |
|
126 CVtImageIYUV& aTarget |
|
127 ); |
|
128 |
|
129 /** |
|
130 * Flips one plane of IYUV. |
|
131 */ |
|
132 void FlipPlane |
|
133 ( |
|
134 TUint8* aSource, |
|
135 TUint8* aTarget, |
|
136 TInt aHeight, |
|
137 TInt aBytesPerRow |
|
138 ); |
|
139 }; |
|
140 |
|
141 #endif // CVTIMAGEROTATORIMPLMIRRORFLIP_H |
|
142 |
|
143 // End of File |
|
144 |
|
145 |