|
1 /* |
|
2 * Copyright (c) 2007 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: Implementation of CCamBuffer class. |
|
15 * Temporary own implementation of MCameraBuffer. |
|
16 * To be replaced by ECam CCameraBuffer. |
|
17 * |
|
18 */ |
|
19 |
|
20 |
|
21 |
|
22 #include <fbs.h> |
|
23 |
|
24 #include "camlogging.h" |
|
25 #include "cambuffer.h" |
|
26 |
|
27 |
|
28 // --------------------------------------------------------------------------- |
|
29 // NewL |
|
30 // Takes ownership of aData, but not aBitmap |
|
31 // --------------------------------------------------------------------------- |
|
32 // |
|
33 CCamBuffer* |
|
34 CCamBuffer::NewL( const CFbsBitmap& aBitmap, |
|
35 HBufC8* aData ) |
|
36 { |
|
37 CCamBuffer* self = CCamBuffer::NewLC( aBitmap, aData ); |
|
38 CleanupStack::Pop( self ); |
|
39 return self; |
|
40 } |
|
41 |
|
42 // --------------------------------------------------------------------------- |
|
43 // NewLC |
|
44 // Takes ownership of aData, but not aBitmap |
|
45 // --------------------------------------------------------------------------- |
|
46 // |
|
47 CCamBuffer* |
|
48 CCamBuffer::NewLC( const CFbsBitmap& aBitmap, |
|
49 HBufC8* aData ) |
|
50 { |
|
51 CCamBuffer* self = new (ELeave) CCamBuffer; |
|
52 CleanupStack::PushL( self ); |
|
53 self->ConstructL( aBitmap, aData ); |
|
54 return self; |
|
55 } |
|
56 |
|
57 |
|
58 // --------------------------------------------------------------------------- |
|
59 // NewL |
|
60 // Takes ownership of both objects. |
|
61 // --------------------------------------------------------------------------- |
|
62 // |
|
63 CCamBuffer* |
|
64 CCamBuffer::NewL( CFbsBitmap* aBitmap, |
|
65 HBufC8* aData ) |
|
66 { |
|
67 CCamBuffer* self = CCamBuffer::NewLC( aBitmap, aData ); |
|
68 CleanupStack::Pop( self ); |
|
69 return self; |
|
70 } |
|
71 |
|
72 // --------------------------------------------------------------------------- |
|
73 // NewLC |
|
74 // Takes ownership of both objects. |
|
75 // --------------------------------------------------------------------------- |
|
76 // |
|
77 CCamBuffer* |
|
78 CCamBuffer::NewLC( CFbsBitmap* aBitmap, |
|
79 HBufC8* aData ) |
|
80 { |
|
81 CCamBuffer* self = new (ELeave) CCamBuffer; |
|
82 CleanupStack::PushL( self ); |
|
83 self->ConstructL( aBitmap, aData ); |
|
84 return self; |
|
85 } |
|
86 |
|
87 |
|
88 // --------------------------------------------------------------------------- |
|
89 // NumFrames |
|
90 // |
|
91 // Number of frames available in the buffer. |
|
92 // --------------------------------------------------------------------------- |
|
93 // |
|
94 TInt |
|
95 CCamBuffer::NumFrames() |
|
96 { |
|
97 return 1; |
|
98 } |
|
99 |
|
100 |
|
101 // --------------------------------------------------------------------------- |
|
102 // DataL |
|
103 // |
|
104 // Frame data as descriptor. |
|
105 // *not supported here* |
|
106 // --------------------------------------------------------------------------- |
|
107 // |
|
108 TDesC8* |
|
109 CCamBuffer::DataL( TInt aFrameIndex ) |
|
110 { |
|
111 if( aFrameIndex != 0 || !iImageData ) |
|
112 User::Leave( KErrNotSupported ); |
|
113 |
|
114 return iImageData; |
|
115 } |
|
116 |
|
117 // --------------------------------------------------------------------------- |
|
118 // BitmapL |
|
119 // |
|
120 // Frame data as bitmap. |
|
121 // --------------------------------------------------------------------------- |
|
122 // |
|
123 CFbsBitmap& |
|
124 CCamBuffer::BitmapL( TInt aFrameIndex ) |
|
125 { |
|
126 if( aFrameIndex != 0 || !iBitmap ) |
|
127 User::Leave( KErrNotFound ); |
|
128 |
|
129 return *iBitmap; |
|
130 } |
|
131 |
|
132 // --------------------------------------------------------------------------- |
|
133 // DataL |
|
134 // |
|
135 // Frame data as chunk. |
|
136 // *not supported here* |
|
137 // --------------------------------------------------------------------------- |
|
138 // |
|
139 RChunk& |
|
140 CCamBuffer::ChunkL() |
|
141 { |
|
142 User::Leave( KErrNotSupported ); |
|
143 |
|
144 return iChunk; |
|
145 } |
|
146 |
|
147 // --------------------------------------------------------------------------- |
|
148 // ChunkOffsetL |
|
149 // |
|
150 // Frame data offset in chunk. |
|
151 // *not supported here* |
|
152 // --------------------------------------------------------------------------- |
|
153 // |
|
154 TInt |
|
155 CCamBuffer::ChunkOffsetL( TInt /*aFrameIndex*/ ) |
|
156 { |
|
157 User::Leave( KErrNotSupported ); |
|
158 |
|
159 return 0; |
|
160 } |
|
161 |
|
162 // --------------------------------------------------------------------------- |
|
163 // FrameSize |
|
164 // |
|
165 // Frame data size. |
|
166 // *not supported here, as only bitmap supported* |
|
167 // --------------------------------------------------------------------------- |
|
168 // |
|
169 TInt |
|
170 CCamBuffer::FrameSize( TInt /*aFrameIndex*/ ) |
|
171 { |
|
172 return -1; |
|
173 } |
|
174 |
|
175 // --------------------------------------------------------------------------- |
|
176 // Release |
|
177 // |
|
178 // Release this buffer. |
|
179 // Simply deletes this object. |
|
180 // --------------------------------------------------------------------------- |
|
181 // |
|
182 void |
|
183 CCamBuffer::Release() |
|
184 { |
|
185 delete this; |
|
186 } |
|
187 |
|
188 // =========================================================================== |
|
189 |
|
190 // --------------------------------------------------------------------------- |
|
191 // ConstructL |
|
192 // |
|
193 // --------------------------------------------------------------------------- |
|
194 // |
|
195 void |
|
196 CCamBuffer::ConstructL( const CFbsBitmap& aBitmap, |
|
197 HBufC8* aData ) |
|
198 { |
|
199 PRINT( _L("CamTest => CCamBuffer::ConstructL") ); |
|
200 |
|
201 |
|
202 iBitmap = new (ELeave) CFbsBitmap; |
|
203 TInt error = iBitmap->Duplicate( aBitmap.Handle() ); |
|
204 |
|
205 iImageData = aData; |
|
206 |
|
207 PRINT1( _L("CamTest <> duplicate bitmap status(%d)"), error ); |
|
208 |
|
209 User::LeaveIfError( error ); |
|
210 |
|
211 PRINT( _L("CamTest <= CCamBuffer::ConstructL") ); |
|
212 } |
|
213 |
|
214 // --------------------------------------------------------------------------- |
|
215 // ConstructL |
|
216 // |
|
217 // --------------------------------------------------------------------------- |
|
218 // |
|
219 void |
|
220 CCamBuffer::ConstructL( CFbsBitmap* aBitmap, |
|
221 HBufC8* aData ) |
|
222 { |
|
223 PRINT( _L("CamTest => CCamBuffer::ConstructL") ); |
|
224 |
|
225 iImageData = aData; |
|
226 iBitmap = aBitmap; |
|
227 |
|
228 PRINT( _L("CamTest <= CCamBuffer::ConstructL") ); |
|
229 } |
|
230 |
|
231 |
|
232 // --------------------------------------------------------------------------- |
|
233 // Constructor |
|
234 // |
|
235 // --------------------------------------------------------------------------- |
|
236 // |
|
237 CCamBuffer::CCamBuffer() |
|
238 : iBitmap( NULL ), |
|
239 iImageData( NULL ), |
|
240 iOwnBitmap( ETrue ), |
|
241 iOwnData( ETrue ) |
|
242 { |
|
243 } |
|
244 |
|
245 // --------------------------------------------------------------------------- |
|
246 // Destructor |
|
247 // *private, because Release() is supposed to be used.* |
|
248 // --------------------------------------------------------------------------- |
|
249 // |
|
250 CCamBuffer::~CCamBuffer() |
|
251 { |
|
252 PRINT( _L("CamTest => ~CCamBuffer") ); |
|
253 |
|
254 PRINT( _L("CamTest <> ~CCamBuffer: Close RChunk..") ); |
|
255 iChunk.Close(); |
|
256 PRINT( _L("CamTest <> ~CCamBuffer: delete CFbsBitmap..") ); |
|
257 delete iBitmap; |
|
258 PRINT( _L("CamTest <> ~CCamBuffer: delete HBufC8*..") ); |
|
259 delete iImageData; |
|
260 |
|
261 PRINT( _L("CamTest <= ~CCamBuffer") ); |
|
262 } |
|
263 |
|
264 |
|
265 // end of file |