1 /* |
|
2 * Copyright (c) 2004,2005 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: This file implements the SVGT Thumbnail functionality |
|
15 * to display SVGT content |
|
16 * |
|
17 */ |
|
18 |
|
19 |
|
20 |
|
21 // INCLUDE FILES |
|
22 #include <AknIconUtils.h> |
|
23 #include <e32def.h> |
|
24 #include <e32base.h> |
|
25 #include <eikenv.h> |
|
26 #include <fbs.h> |
|
27 #include <gdi.h> |
|
28 #include <bautils.h> |
|
29 #include <SVGEngineInterfaceImpl.h> |
|
30 #include <data_caging_path_literals.hrh> |
|
31 |
|
32 // User Includes |
|
33 #include "SVGTUIControlDbgFlags.hrh" |
|
34 #include "SVGTThumbnailUtil.h" |
|
35 |
|
36 // Constants |
|
37 // General Constants |
|
38 const TInt KSccConstMinusOne = -1; |
|
39 const TInt KSccConstZero = 0; |
|
40 const TUint KSccBackground = 0xffffffff; |
|
41 |
|
42 |
|
43 // SMIL Fit Value |
|
44 _LIT( KSccSmilFitValue,"meet" ); |
|
45 |
|
46 // ============================ MEMBER FUNCTIONS =============================== |
|
47 // ----------------------------------------------------------------------------- |
|
48 // CSVGTThumbnailUtil::GenerateThumbnailLD |
|
49 // Generate thumbnails for SVGT content. |
|
50 // ----------------------------------------------------------------------------- |
|
51 // |
|
52 EXPORT_C TBool CSVGTThumbnailUtil::GenerateThumbnailLD( |
|
53 RFile& aFileHandle, // Filehandle of SVGT |
|
54 CFbsBitmap& aThumbnailBitmap, // Thumbnail Bitmap |
|
55 CFbsBitmap& aThumbnailBitmapMask ) // BitMap mask |
|
56 { |
|
57 CSVGTThumbnailUtil *tnUtilPtr = CSVGTThumbnailUtil::NewLC( aFileHandle, |
|
58 aThumbnailBitmap, |
|
59 aThumbnailBitmapMask ); |
|
60 TBool retVal = tnUtilPtr->GenerateThumbnail(); |
|
61 CleanupStack::PopAndDestroy( tnUtilPtr ); |
|
62 return retVal; |
|
63 } |
|
64 |
|
65 |
|
66 |
|
67 // ----------------------------------------------------------------------------- |
|
68 // CSVGTThumbnailUtil::UpdateScreen |
|
69 // Implements MSvgRequestObserver::UpdateScreen. |
|
70 // ----------------------------------------------------------------------------- |
|
71 // |
|
72 void CSVGTThumbnailUtil::UpdateScreen() |
|
73 { |
|
74 } |
|
75 |
|
76 // ----------------------------------------------------------------------------- |
|
77 // CSVGTThumbnailUtil::ScriptCall |
|
78 // Implements MSvgRequestObserver::ScriptCall. |
|
79 // ----------------------------------------------------------------------------- |
|
80 // |
|
81 TBool CSVGTThumbnailUtil::ScriptCall( const TDesC& /*aScript*/, |
|
82 CSvgElementImpl* /*aCallerElement*/ ) |
|
83 { |
|
84 return EFalse; |
|
85 } |
|
86 |
|
87 |
|
88 // ----------------------------------------------------------------------------- |
|
89 // CSVGTThumbnailUtil::FetchImage |
|
90 // Implements MSvgRequestObserver::FetchImage. Calls the application call |
|
91 // back corresponding to this function if exists, else returns EFalse |
|
92 // indicating to the engine that the image was not retrieved. |
|
93 // ----------------------------------------------------------------------------- |
|
94 // |
|
95 TInt CSVGTThumbnailUtil::FetchImage( const TDesC& /*aUri*/, |
|
96 RFs& /*aSession*/, RFile& /*aFileHandle*/ ) |
|
97 { |
|
98 return KErrNotFound; |
|
99 } |
|
100 |
|
101 TInt CSVGTThumbnailUtil::FetchFont( const TDesC& /* aUri */, |
|
102 RFs& /* aSession */, RFile& /* aFileHandle */ ) |
|
103 { |
|
104 return KErrNotSupported; |
|
105 } |
|
106 |
|
107 // ----------------------------------------------------------------------------- |
|
108 // CSVGTThumbnailUtil:: GetSmilFitValue |
|
109 // Implements the MSvgRequestObserver::GetSmilFitValue. |
|
110 // ----------------------------------------------------------------------------- |
|
111 // |
|
112 void CSVGTThumbnailUtil::GetSmilFitValue( TDes& aSmilValue ) |
|
113 { |
|
114 aSmilValue.Copy( KSccSmilFitValue ); |
|
115 } |
|
116 |
|
117 // ----------------------------------------------------------------------------- |
|
118 // CSVGTThumbnailUtil::UpdatePresentation |
|
119 // Implements MSvgRequestObserver::UpdatePresentation. |
|
120 // ----------------------------------------------------------------------------- |
|
121 // |
|
122 void CSVGTThumbnailUtil::UpdatePresentation( const TInt32& |
|
123 /* aNoOfAnimation */ ) |
|
124 { |
|
125 } |
|
126 |
|
127 // ----------------------------------------------------------------------------- |
|
128 // CSVGTThumbnailUtil::InitializeEngineL |
|
129 // Initiliazes the interface with the SVG engine. |
|
130 // ----------------------------------------------------------------------------- |
|
131 // |
|
132 void CSVGTThumbnailUtil::InitializeEngineL() |
|
133 { |
|
134 if ( !iSvgModule ) |
|
135 { |
|
136 TFontSpec spec; |
|
137 |
|
138 if ( !iSVGTBitMapDummy ) |
|
139 { |
|
140 // For thumbnails, the user provided bitmap is used, |
|
141 // Have to give some dummy bitmap to the engine in the constructor. |
|
142 iSVGTBitMapDummy = new( ELeave ) CFbsBitmap; |
|
143 User::LeaveIfError( iSVGTBitMapDummy->Create( |
|
144 TSize( KSccConstZero, KSccConstZero ), EGray2 ) ); |
|
145 } |
|
146 |
|
147 iSvgModule = CSvgEngineInterfaceImpl::NewL( iSVGTBitMapDummy, |
|
148 this, spec ); |
|
149 iSvgModule->SetBackgroundColor( KSccBackground ); |
|
150 } |
|
151 } |
|
152 |
|
153 // ----------------------------------------------------------------------------- |
|
154 // CSVGTThumbnailUtil::GenerateThumbnail |
|
155 // Helper function that generates Thumbnail for the SVG content. |
|
156 // ----------------------------------------------------------------------------- |
|
157 // |
|
158 TBool CSVGTThumbnailUtil::GenerateThumbnail() |
|
159 { |
|
160 if ( iSvgModule ) |
|
161 { |
|
162 MSvgError* result; |
|
163 result = iSvgModule->PrepareDom( iContentFileHandle, iThumbnailHandle ); |
|
164 |
|
165 // NULL is returned, possible out of memory when create error object. |
|
166 if ( ( !result ) || ( result->HasError() ) ) |
|
167 { |
|
168 return EFalse; |
|
169 } |
|
170 #ifdef SVGTUICONTROL_DBG_DRM_THUMBNAIL_API_ENABLE |
|
171 // Set thumbnail mode On |
|
172 iSvgModule->SetThumbNailMode( ETrue ); |
|
173 #endif // SVGTUICONTROL_DBG_DRM_THUMBNAIL_API_ENABLE |
|
174 |
|
175 // Setup the engine to use the DOM |
|
176 result = iSvgModule->UseDom( iThumbnailHandle, iThumbnailBitmap ); |
|
177 if ( result->HasError() && !result->IsWarning() ) |
|
178 { |
|
179 return EFalse; |
|
180 } |
|
181 |
|
182 // View Box define for Dom associated frame |
|
183 iSvgModule->ChooseViewBoxIfNotSet(iThumbnailHandle); |
|
184 iSvgModule->InitializeEngine(); |
|
185 iSvgModule->RenderFrame( NULL, 0); |
|
186 |
|
187 // Render the Mask Bitmap |
|
188 iSvgModule->GenerateMask( iThumbnailBitmapMask ); |
|
189 #ifdef SVGTUICONTROL_DBG_DRM_THUMBNAIL_API_ENABLE |
|
190 // Set thumbnail mode Off |
|
191 iSvgModule->SetThumbNailMode( EFalse ); |
|
192 #endif // SVGTUICONTROL_DBG_DRM_THUMBNAIL_API_ENABLE |
|
193 |
|
194 return ETrue; |
|
195 } |
|
196 else |
|
197 { |
|
198 return EFalse; |
|
199 } |
|
200 |
|
201 } |
|
202 |
|
203 // ----------------------------------------------------------------------------- |
|
204 // CSVGTThumbnailUtil::CSVGTThumbnailUtil |
|
205 // C++ default constructor. |
|
206 // ----------------------------------------------------------------------------- |
|
207 // |
|
208 CSVGTThumbnailUtil::CSVGTThumbnailUtil( RFile& aFileHandle ) : |
|
209 // Thumbnail Variables |
|
210 iThumbnailHandle( KSccConstMinusOne ), |
|
211 iContentFileHandle( aFileHandle ) |
|
212 { |
|
213 } |
|
214 |
|
215 // ----------------------------------------------------------------------------- |
|
216 // CSVGTThumbnailUtil::ConstructL |
|
217 // Symbian 2nd phase constructor. |
|
218 // ----------------------------------------------------------------------------- |
|
219 // |
|
220 void CSVGTThumbnailUtil::ConstructL( |
|
221 CFbsBitmap& aThumbnailBitmap, // Bitmap on which content is to be |
|
222 // rendered |
|
223 CFbsBitmap& aThumbnailBitmapMask )// Bitmap Mask |
|
224 { |
|
225 // Save the user parameters for later access. |
|
226 iSvgModule = NULL; |
|
227 iSVGTBitMapDummy = NULL; |
|
228 iThumbnailBitmap = &aThumbnailBitmap; |
|
229 iThumbnailBitmapMask = &aThumbnailBitmapMask; |
|
230 InitializeEngineL(); |
|
231 } |
|
232 |
|
233 // ----------------------------------------------------------------------------- |
|
234 // CSVGTThumbnailUtil::NewL |
|
235 // Factory function for creating CSVGTThumbnailUtil objects for thumbnail |
|
236 // generation. |
|
237 // Returns: CSVGTThumbnailUtil* ; Pointer to the created object. |
|
238 // Leaves if error occurs during creation. |
|
239 // ----------------------------------------------------------------------------- |
|
240 // |
|
241 CSVGTThumbnailUtil* CSVGTThumbnailUtil::NewL( |
|
242 RFile& aFileHandle, // File handle of SVGT Content |
|
243 CFbsBitmap& aThumbnailBitmap, // Bitmap on which content is to be |
|
244 // rendered |
|
245 CFbsBitmap& aThumbnailBitmapMask )// Bitmap Mask |
|
246 { |
|
247 CSVGTThumbnailUtil* self = CSVGTThumbnailUtil::NewLC( aFileHandle, |
|
248 aThumbnailBitmap, |
|
249 aThumbnailBitmapMask ); |
|
250 CleanupStack::Pop( self ); |
|
251 return self; |
|
252 } |
|
253 |
|
254 // ----------------------------------------------------------------------------- |
|
255 // CSVGTThumbnailUtil::NewLC |
|
256 // Factory function for creating CSVGTThumbnailUtil objects for thumbnail |
|
257 // generation. |
|
258 // Returns: CSVGTThumbnailUtil* ; Pointer to the created object. |
|
259 // Leaves if error occurs during creation. |
|
260 // ----------------------------------------------------------------------------- |
|
261 // |
|
262 CSVGTThumbnailUtil* CSVGTThumbnailUtil::NewLC( |
|
263 RFile& aFileHandle, // File Handle of SVGT Content |
|
264 CFbsBitmap& aThumbnailBitmap, // Bitmap on which content is to be |
|
265 // rendered |
|
266 CFbsBitmap& aThumbnailBitmapMask) // Bitmap Mask |
|
267 { |
|
268 CSVGTThumbnailUtil* self = new ( ELeave ) CSVGTThumbnailUtil( |
|
269 aFileHandle ); |
|
270 CleanupStack::PushL( self ); |
|
271 self->ConstructL( aThumbnailBitmap, aThumbnailBitmapMask ); |
|
272 return self; |
|
273 } |
|
274 |
|
275 |
|
276 // ----------------------------------------------------------------------------- |
|
277 // CSVGTThumbnailUtil::~CSVGTThumbnailUtil |
|
278 // Destructor |
|
279 // ----------------------------------------------------------------------------- |
|
280 // |
|
281 CSVGTThumbnailUtil::~CSVGTThumbnailUtil() |
|
282 { |
|
283 if ( iThumbnailHandle != KSccConstMinusOne ) |
|
284 { |
|
285 if ( iSvgModule ) |
|
286 { |
|
287 iSvgModule->DeleteDom( iThumbnailHandle ); |
|
288 } |
|
289 } |
|
290 |
|
291 // Dummy bitmap |
|
292 delete iSVGTBitMapDummy; |
|
293 |
|
294 // SVG Engine |
|
295 delete iSvgModule; |
|
296 |
|
297 // Reset the Thumbnail and Mask as this is owned by the caller |
|
298 iThumbnailBitmap = NULL; |
|
299 iThumbnailBitmapMask = NULL; |
|
300 } |
|
301 |
|
302 |
|
303 // End of File |
|