3
|
1 |
/*
|
|
2 |
* Copyright (c) 2006 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: Definition of TFrameFormatExt and CVisualFrameImpl
|
|
15 |
*
|
|
16 |
*/
|
|
17 |
|
|
18 |
#ifndef _ICLEXTJPEGAPIFRAMEIMPL_
|
|
19 |
#define _ICLEXTJPEGAPIFRAMEIMPL_
|
|
20 |
|
|
21 |
#include <icl/icl_propertyuids.h>
|
|
22 |
#include "IclExtJpegApiConst.h"
|
|
23 |
|
|
24 |
class CVisualFrame::TFrameLayout;
|
|
25 |
|
|
26 |
#include "imageframe.h"
|
|
27 |
|
|
28 |
/**
|
|
29 |
* TFrameFormatExt
|
|
30 |
* @lib IclExtJpegApi.lib
|
|
31 |
* @since 3.2
|
|
32 |
*/
|
|
33 |
class TFrameFormatExt : public TFrameFormatBase
|
|
34 |
{
|
|
35 |
public:
|
|
36 |
|
|
37 |
/**
|
|
38 |
* C++ default constructor.
|
|
39 |
*/
|
|
40 |
TFrameFormatExt( TInt aFormatCode ) :
|
|
41 |
TFrameFormatBase( KUidExtIclImageFrameFormat ),
|
|
42 |
iFormatCode( aFormatCode )
|
|
43 |
{
|
|
44 |
Constructor();
|
|
45 |
};
|
|
46 |
|
|
47 |
/**
|
|
48 |
* Duplicate
|
|
49 |
* @since 3.2
|
|
50 |
* @return TFrameFormatExt
|
|
51 |
*/
|
|
52 |
TFrameFormatBase* DuplicateL() const
|
|
53 |
{
|
|
54 |
return new ( ELeave ) TFrameFormatExt( iFormatCode );
|
|
55 |
};
|
|
56 |
|
|
57 |
/**
|
|
58 |
* Colour space
|
|
59 |
* @since 3.2
|
|
60 |
* @return TUid
|
|
61 |
*/
|
|
62 |
TUid ColourSpace() const;
|
|
63 |
|
|
64 |
/**
|
|
65 |
* Sampling
|
|
66 |
* @since 3.2
|
|
67 |
* @return TUid
|
|
68 |
*/
|
|
69 |
TUid Sampling() const;
|
|
70 |
|
|
71 |
/**
|
|
72 |
* Format code
|
|
73 |
* @since 3.2
|
|
74 |
* @return TInt
|
|
75 |
*/
|
|
76 |
TInt FormatCode() const;
|
|
77 |
|
|
78 |
/**
|
|
79 |
* Set colour space
|
|
80 |
* @since 3.2
|
|
81 |
* @param aColourSpace
|
|
82 |
* @return void
|
|
83 |
*/
|
|
84 |
void SetColourSpace( TUid aColourSpace );
|
|
85 |
|
|
86 |
|
|
87 |
protected:
|
|
88 |
|
|
89 |
/**
|
|
90 |
* constructor.
|
|
91 |
*/
|
|
92 |
void Constructor();
|
|
93 |
|
|
94 |
protected: // Data
|
|
95 |
|
|
96 |
// The image frame colour space
|
|
97 |
TUid iColourSpace;
|
|
98 |
// The frame sampling
|
|
99 |
TUid iSampling;
|
|
100 |
// The image frame format code which uniquely identifies all other parameters.
|
|
101 |
TInt iFormatCode;
|
|
102 |
|
|
103 |
};
|
|
104 |
|
|
105 |
|
|
106 |
/**
|
|
107 |
* CVisualFrameImpl
|
|
108 |
* @lib IclExtJpegApi.lib
|
|
109 |
* @since 3.2
|
|
110 |
*/
|
|
111 |
class CVisualFrameImpl : public CImageFrame
|
|
112 |
{
|
|
113 |
public:
|
|
114 |
|
|
115 |
/**
|
|
116 |
* Two-phased constructor.
|
|
117 |
* @since 3.2
|
|
118 |
* @param aBuffer A descriptor reference to buffer containing the image data.
|
|
119 |
* @param aDimension The dimensions of the corresponding image data.
|
|
120 |
* @param aFrameFormat The frame format of the corresponding image data.
|
|
121 |
*/
|
|
122 |
static CVisualFrameImpl* NewL(
|
|
123 |
TDes8& aBuffer,
|
|
124 |
const TSize& aDimension,
|
|
125 |
TInt aFrameFormat );
|
|
126 |
|
|
127 |
/**
|
|
128 |
* Two-phased constructor.
|
|
129 |
* @param aChunk An RChunk reference to buffer containing the image data.
|
|
130 |
* @param aSize The amount of image data in bytes.
|
|
131 |
* @param amaxSize The maximum size of the memory reserved in the chunk.
|
|
132 |
* @param aDataOffset The offset value specifying the location of the image
|
|
133 |
* data in the chunk.
|
|
134 |
* @param aDimension The dimensions of the corresponding image data.
|
|
135 |
* @param aFrameFormat The frame format of the corresponding image data.
|
|
136 |
*/
|
|
137 |
static CVisualFrameImpl* NewL(
|
|
138 |
RChunk& aChunk,
|
|
139 |
TInt aSize,
|
|
140 |
TInt aMaxSize,
|
|
141 |
TInt aDataOffset,
|
|
142 |
const TSize& aDimension,
|
|
143 |
TInt aFrameFormat );
|
|
144 |
/**
|
|
145 |
* Two-phased constructor.
|
|
146 |
* @param aBuffer A descriptor reference to buffer containing the image data.
|
|
147 |
* @param aDimension The dimensions of the corresponding image data.
|
|
148 |
* @param aFrameLayout The layout of the image color components.
|
|
149 |
*/
|
|
150 |
static CVisualFrameImpl* NewL(
|
|
151 |
TDes8& aBuffer,
|
|
152 |
const TSize& aDimension,
|
|
153 |
TInt aFrameFormat,
|
|
154 |
const CVisualFrame::TFrameLayout& aFrameLayout );
|
|
155 |
|
|
156 |
/**
|
|
157 |
* Two-phased constructor.
|
|
158 |
* @param aChunk An RChunk reference to buffer containing the image data.
|
|
159 |
* @param aSize The amount of image data in bytes.
|
|
160 |
* @param aMaxSize The maximum size of the memory reserved in the chunk for
|
|
161 |
* the image data.
|
|
162 |
* @param aDimension The dimensions of the corresponding image data.
|
|
163 |
* @param aFrameFormat The frame format of the corresponding image data.
|
|
164 |
* @param aFrameLayout The layout of the image color components. TFrameLayout
|
|
165 |
* contains the scan line lengths and offsets for each component
|
|
166 |
* in planar YUV case
|
|
167 |
*/
|
|
168 |
static CVisualFrameImpl* NewL(
|
|
169 |
RChunk& aChunk,
|
|
170 |
TInt aSize,
|
|
171 |
TInt aMaxSize,
|
|
172 |
const TSize& aDimension,
|
|
173 |
TInt aFrameFormat,
|
|
174 |
const CVisualFrame::TFrameLayout& aFrameLayout );
|
|
175 |
|
|
176 |
static CVisualFrameImpl* NewL( const CImageFrame* aImageFrame );
|
|
177 |
|
|
178 |
/**
|
|
179 |
* Get image frame
|
|
180 |
* @since 3.2
|
|
181 |
* @return CImageFrame
|
|
182 |
*/
|
|
183 |
CImageFrame* GetImageFrameL();
|
|
184 |
|
|
185 |
/**
|
|
186 |
* Returns a constant reference to the chunk containing
|
|
187 |
* the image data, if exists.
|
|
188 |
* @since 3.2
|
|
189 |
* @return RChunk
|
|
190 |
*/
|
|
191 |
const RChunk& DataChunkL() const;
|
|
192 |
|
|
193 |
/**
|
|
194 |
* Returns a descriptor pointer to the image data location, if exists
|
|
195 |
* @since 3.2
|
|
196 |
* @return TPtr8
|
|
197 |
*/
|
|
198 |
TPtr8 DataPtrL() const;
|
|
199 |
|
|
200 |
/**
|
|
201 |
* Returns the dimensions of the image.
|
|
202 |
* @since 3.2
|
|
203 |
* @return TSize
|
|
204 |
*/
|
|
205 |
TSize Dimension() const;
|
|
206 |
|
|
207 |
/**
|
|
208 |
* Return the image data format.
|
|
209 |
* @since 3.2
|
|
210 |
* @return TInt
|
|
211 |
*/
|
|
212 |
TInt FrameFormat2() const;
|
|
213 |
|
|
214 |
/**
|
|
215 |
* Returns the offset of the image data for non-planar,
|
|
216 |
* single-component or compressed images.
|
|
217 |
* @since 3.2
|
|
218 |
* @return TInt
|
|
219 |
*/
|
|
220 |
TInt DataOffset() const;
|
|
221 |
|
|
222 |
/**
|
|
223 |
* Returns the amount of stored image data in bytes.
|
|
224 |
* @since 3.2
|
|
225 |
* @return TInt
|
|
226 |
*/
|
|
227 |
TInt Size() const;
|
|
228 |
|
|
229 |
/**
|
|
230 |
* Sets the amount of image data to the given value.
|
|
231 |
* Should be called when the image data amount is modified explicitly.
|
|
232 |
* @since 3.2
|
|
233 |
* @param
|
|
234 |
* @return void
|
|
235 |
*/
|
|
236 |
void SetSizeL( TInt aSize );
|
|
237 |
|
|
238 |
/**
|
|
239 |
* Returns the maximum size of the memory space reserved for image data
|
|
240 |
* @since 3.2
|
|
241 |
* @return TInt
|
|
242 |
*/
|
|
243 |
TInt MaxSize() const;
|
|
244 |
|
|
245 |
/**
|
|
246 |
* Returns the storage type of the image data.
|
|
247 |
* @since 3.2
|
|
248 |
* @return TInt
|
|
249 |
*/
|
|
250 |
TInt DataContainer() const;
|
|
251 |
|
|
252 |
/**
|
|
253 |
* Returns the layout of the image data for planar compressed images.
|
|
254 |
* @since 3.2
|
|
255 |
* @param
|
|
256 |
* @return CVisualFrame::TFrameLayout
|
|
257 |
*/
|
|
258 |
const CVisualFrame::TFrameLayout& FrameLayout2() const;
|
|
259 |
|
|
260 |
/**
|
|
261 |
* Destructor.
|
|
262 |
*/
|
|
263 |
virtual ~CVisualFrameImpl();
|
|
264 |
|
|
265 |
private: // Data
|
|
266 |
|
|
267 |
CVisualFrame::TFrameLayout iFrameLayout2;
|
|
268 |
|
|
269 |
TInt iSize;
|
|
270 |
};
|
|
271 |
|
|
272 |
|
|
273 |
#endif // _ICLEXTJPEGAPIFRAMEIMPL_
|
|
274 |
|
|
275 |
|
|
276 |
// End of File
|