|
1 /* |
|
2 * Copyright (c) 2003 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: SVG Implementation source file |
|
15 * |
|
16 */ |
|
17 |
|
18 |
|
19 #include "SVGImageHashMap.h" |
|
20 |
|
21 // DECODED IMAGE STORAGE FOR IMAGE ELEMENTS TO SHARE |
|
22 // SO IMAGES WITH THE SAME XLINK-HREF don't have to decode twice |
|
23 // SVG FONT STORAGE FOR JSR 226 ONLY |
|
24 // BECAUSE WE DONT HAVE AN ENGINE AT PARSE TIME |
|
25 // FOR SVG FONTS |
|
26 |
|
27 // ========================================================================== |
|
28 // Need method description |
|
29 // ========================================================================== |
|
30 CSvgImageHashMap* CSvgImageHashMap::NewL() |
|
31 { |
|
32 CSvgImageHashMap* self = new ( ELeave ) CSvgImageHashMap; |
|
33 CleanupStack::PushL( self ); |
|
34 self->ConstructL(); |
|
35 CleanupStack::Pop(); |
|
36 |
|
37 return self; |
|
38 } |
|
39 |
|
40 // ========================================================================== |
|
41 // Need method description |
|
42 // ========================================================================== |
|
43 CSvgImageHashMap* CSvgImageHashMap::NewLC() |
|
44 { |
|
45 CSvgImageHashMap* self = new ( ELeave ) CSvgImageHashMap; |
|
46 CleanupStack::PushL( self ); |
|
47 self->ConstructL(); |
|
48 |
|
49 return self; |
|
50 } |
|
51 |
|
52 // ========================================================================== |
|
53 // Need method description |
|
54 // ========================================================================== |
|
55 void CSvgImageHashMap::ConstructL() |
|
56 { |
|
57 } |
|
58 |
|
59 // ========================================================================== |
|
60 // Need method description |
|
61 // ========================================================================== |
|
62 CSvgImageHashMap::CSvgImageHashMap() |
|
63 |
|
64 { |
|
65 } |
|
66 |
|
67 // ========================================================================== |
|
68 // Need method description |
|
69 // ========================================================================== |
|
70 CSvgImageHashMap::~CSvgImageHashMap() |
|
71 { |
|
72 iSvgImageMapItems.ResetAndDestroy(); |
|
73 iSvgImageMapItems.Close(); |
|
74 } |
|
75 |
|
76 // ========================================================================== |
|
77 // CSvgImageHashMap::AddImageL( CFbsBitmap* aImagePtr, |
|
78 // const TDesC& aImageName ) |
|
79 // return ETrue if image added |
|
80 // return EFalse if image was already in map |
|
81 // ========================================================================== |
|
82 TBool CSvgImageHashMap::AddImageL( CFbsBitmap* aImagePtr, |
|
83 const TDesC& aImageName ) |
|
84 { |
|
85 CSvgImageMapItem* lImageMapItem = GetImageMapItem( aImageName ); |
|
86 |
|
87 if (lImageMapItem) |
|
88 { |
|
89 //already a reference to this image in the image map |
|
90 lImageMapItem->IncrementReferenceCount(); |
|
91 return EFalse; |
|
92 } |
|
93 else |
|
94 { |
|
95 //didnt find that image in the image map...add it |
|
96 CSvgImageMapItem* lNewSvgImageMapItem = CSvgImageMapItem::NewL( ); |
|
97 |
|
98 lNewSvgImageMapItem->SetImagePtr( aImagePtr ); |
|
99 lNewSvgImageMapItem->CopyImageNameL( aImageName ); |
|
100 lNewSvgImageMapItem->IncrementReferenceCount(); |
|
101 |
|
102 iSvgImageMapItems.Append(lNewSvgImageMapItem); |
|
103 |
|
104 return ETrue; |
|
105 } |
|
106 } |
|
107 |
|
108 // -------------------------------------------------------------------------- |
|
109 // TBool CSvgImageHashMap::HasImageName( const TDesC& aImageName |
|
110 // --------------------------------------------------------------------------- |
|
111 TBool CSvgImageHashMap::HasImageName( const TDesC& aImageName ) |
|
112 { |
|
113 TBool lHaveImage = EFalse; |
|
114 |
|
115 TInt svgImageMapItemsCnt = iSvgImageMapItems.Count(); |
|
116 for (TInt i=0; i < svgImageMapItemsCnt; i++) |
|
117 { |
|
118 if ( aImageName == ((CSvgImageMapItem*)iSvgImageMapItems[i])->GetImageName() ) |
|
119 { |
|
120 lHaveImage = ETrue; |
|
121 } |
|
122 } |
|
123 |
|
124 return lHaveImage; |
|
125 |
|
126 } |
|
127 |
|
128 // -------------------------------------------------------------------------- |
|
129 // CSvgImageMapItem* CSvgImageHashMap::GetImageMapItem( const TDesC& aImageName |
|
130 // --------------------------------------------------------------------------- |
|
131 CSvgImageMapItem* CSvgImageHashMap::GetImageMapItem( const TDesC& aImageName ) |
|
132 { |
|
133 TInt svgImageMapItemsCnt = iSvgImageMapItems.Count(); |
|
134 for ( TInt i = 0; i < svgImageMapItemsCnt; i++ ) |
|
135 { |
|
136 CSvgImageMapItem* lImageMap = (CSvgImageMapItem*)iSvgImageMapItems[i]; |
|
137 |
|
138 TInt result = aImageName.Compare( lImageMap->GetImageName() ); |
|
139 |
|
140 if ( result == 0 ) |
|
141 { |
|
142 return lImageMap; |
|
143 } |
|
144 } |
|
145 |
|
146 return NULL; |
|
147 } |
|
148 |
|
149 // -------------------------------------------------------------------------- |
|
150 // TBool CSvgDocumentImpl::RemoveReferenceFromImageL( const TDesC& aImageName ) |
|
151 // returns True if there aren't any left |
|
152 // returns False if there are references to that image left |
|
153 // --------------------------------------------------------------------------- |
|
154 TBool CSvgImageHashMap::RemoveReferenceFromImageL( const TDesC& aImageName ) |
|
155 { |
|
156 |
|
157 CSvgImageMapItem* lImageMapItem = GetImageMapItem( aImageName ); |
|
158 |
|
159 if (lImageMapItem != NULL) |
|
160 { |
|
161 //we have this lImageMapElement |
|
162 TInt aReferenceCount = lImageMapItem->DecrementReferenceCount(); |
|
163 |
|
164 if (aReferenceCount <= 0) |
|
165 { |
|
166 //no more references to this image remove it from the map |
|
167 iSvgImageMapItems.Remove(iSvgImageMapItems.Find(lImageMapItem)); |
|
168 delete lImageMapItem; |
|
169 return ETrue; |
|
170 } |
|
171 } |
|
172 |
|
173 return EFalse; |
|
174 } |
|
175 |
|
176 // -------------------------------------------------------------------------- |
|
177 // CFbsBitmap* CSvgDocumentImpl::GetImagePtr( const TDesC& aImageName ) |
|
178 // --------------------------------------------------------------------------- |
|
179 CFbsBitmap* CSvgImageHashMap::GetImagePtr( const TDesC& aImageName ) |
|
180 { |
|
181 |
|
182 CSvgImageMapItem* lImageMapItem = GetImageMapItem( aImageName ); |
|
183 |
|
184 if (lImageMapItem) |
|
185 { |
|
186 return (lImageMapItem->GetImagePtr()); |
|
187 } |
|
188 |
|
189 return NULL; |
|
190 |
|
191 } |
|
192 |
|
193 // ========================================================================== |
|
194 // Need method description |
|
195 // ========================================================================== |
|
196 CSvgImageMapItem* CSvgImageMapItem::NewL() |
|
197 { |
|
198 CSvgImageMapItem* self = new ( ELeave ) CSvgImageMapItem; |
|
199 CleanupStack::PushL( self ); |
|
200 self->ConstructL(); |
|
201 CleanupStack::Pop(); |
|
202 |
|
203 return self; |
|
204 } |
|
205 |
|
206 // ========================================================================== |
|
207 // Need method description |
|
208 // ========================================================================== |
|
209 CSvgImageMapItem* CSvgImageMapItem::NewLC() |
|
210 { |
|
211 CSvgImageMapItem* self = new ( ELeave ) CSvgImageMapItem; |
|
212 CleanupStack::PushL( self ); |
|
213 self->ConstructL(); |
|
214 |
|
215 return self; |
|
216 } |
|
217 |
|
218 // ========================================================================== |
|
219 // Need method description |
|
220 // ========================================================================== |
|
221 void CSvgImageMapItem::ConstructL() |
|
222 { |
|
223 } |
|
224 |
|
225 // ========================================================================== |
|
226 // Need method description |
|
227 // ========================================================================== |
|
228 CSvgImageMapItem::CSvgImageMapItem(): iImageDecodingStatus(EFalse) |
|
229 |
|
230 { |
|
231 } |
|
232 |
|
233 // ========================================================================== |
|
234 // Need method description |
|
235 // ========================================================================== |
|
236 CSvgImageMapItem::~CSvgImageMapItem() |
|
237 { |
|
238 if (iImageName->Length()) |
|
239 { |
|
240 //delete the xlink-href (base64 image data |
|
241 delete iImageName; |
|
242 iImageName = NULL; |
|
243 } |
|
244 /*if (iImagePtr) |
|
245 { |
|
246 //delete the bitmap |
|
247 delete iImagePtr; |
|
248 }*/ |
|
249 } |
|
250 |
|
251 // --------------------------------------------------------------------------- |
|
252 // |
|
253 // --------------------------------------------------------------------------- |
|
254 CFbsBitmap* CSvgImageMapItem::GetImagePtr() |
|
255 { |
|
256 return iImagePtr; |
|
257 } |
|
258 |
|
259 |
|
260 // --------------------------------------------------------------------------- |
|
261 // |
|
262 // --------------------------------------------------------------------------- |
|
263 const TDesC& CSvgImageMapItem::GetImageName() |
|
264 { |
|
265 return ( const TDesC & ) *iImageName; |
|
266 } |
|
267 |
|
268 // --------------------------------------------------------------------------- |
|
269 // |
|
270 // --------------------------------------------------------------------------- |
|
271 void CSvgImageMapItem::SetImagePtr( CFbsBitmap* aImagePtr ) |
|
272 { |
|
273 iImagePtr = aImagePtr; |
|
274 } |
|
275 |
|
276 |
|
277 // --------------------------------------------------------------------------- |
|
278 // |
|
279 // --------------------------------------------------------------------------- |
|
280 void CSvgImageMapItem::CopyImageNameL( const TDesC& aImageName ) |
|
281 { |
|
282 iImageName = aImageName.AllocL(); |
|
283 } |
|
284 |
|
285 //---------------------------------------------------------------------- |
|
286 // |
|
287 //----------------------------------------------------------------------- |
|
288 void CSvgImageMapItem::SetImageDecodingStatus( TBool aThisImageIsDecoding ) |
|
289 { |
|
290 iImageDecodingStatus = aThisImageIsDecoding; |
|
291 } |
|
292 |
|
293 //---------------------------------------------------------------------- |
|
294 // |
|
295 //---------------------------------------------------------------------- |
|
296 TBool CSvgImageMapItem::GetImageDecodingStatus( ) |
|
297 { |
|
298 return iImageDecodingStatus; |
|
299 } |
|
300 |
|
301 //----------------------------------------------------------------------- |
|
302 // |
|
303 //----------------------------------------------------------------------- |
|
304 TInt CSvgImageMapItem::IncrementReferenceCount( ) |
|
305 { |
|
306 iImageReferenceCount++; |
|
307 return iImageReferenceCount; |
|
308 } |
|
309 |
|
310 //----------------------------------------------------------------------- |
|
311 // |
|
312 //----------------------------------------------------------------------- |
|
313 TInt CSvgImageMapItem::DecrementReferenceCount() |
|
314 { |
|
315 iImageReferenceCount--; |
|
316 return iImageReferenceCount; |
|
317 } |
|
318 |
|
319 |