|
1 /* |
|
2 * Copyright (c) 2004-2008 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: Class for providing effect context for effect plugins. |
|
15 * |
|
16 */ |
|
17 |
|
18 |
|
19 // INCLUDE FILES |
|
20 #include "AknsRlErr.h" |
|
21 #include "AknsAlEffectContext.h" |
|
22 |
|
23 // ----------------------------------------------------------------------------- |
|
24 // CAknsAlEffectContext::CAknsAlEffectContext |
|
25 // ----------------------------------------------------------------------------- |
|
26 // |
|
27 CAknsAlEffectContext::CAknsAlEffectContext() |
|
28 { |
|
29 // Derived from CBase -> all data is zeroed |
|
30 } |
|
31 |
|
32 // ----------------------------------------------------------------------------- |
|
33 // CAknsAlEffectContext::NewL |
|
34 // ----------------------------------------------------------------------------- |
|
35 // |
|
36 CAknsAlEffectContext* CAknsAlEffectContext::NewL() |
|
37 { |
|
38 CAknsAlEffectContext* self = new(ELeave) CAknsAlEffectContext(); |
|
39 return self; |
|
40 } |
|
41 |
|
42 // ----------------------------------------------------------------------------- |
|
43 // CAknsAlEffectContext::~CAknsAlEffectContext |
|
44 // ----------------------------------------------------------------------------- |
|
45 // |
|
46 CAknsAlEffectContext::~CAknsAlEffectContext() |
|
47 { |
|
48 ReleaseLayers(); //lint !e1551 No exception thrown |
|
49 } |
|
50 |
|
51 // ----------------------------------------------------------------------------- |
|
52 // CAknsAlEffectContext::ConfigureL |
|
53 // ----------------------------------------------------------------------------- |
|
54 // |
|
55 void CAknsAlEffectContext::ConfigureL( const TSize& aSize, |
|
56 TDisplayMode aRgbMode, |
|
57 TInt aInputLayerIndex, |
|
58 TInt aInputLayerMode ) |
|
59 { |
|
60 iLayerSize = aSize; |
|
61 iRgbMode = aRgbMode; |
|
62 |
|
63 ReleaseLayers(); |
|
64 |
|
65 if( aInputLayerIndex < 0 ) // Input layer is set to none |
|
66 { |
|
67 return; |
|
68 } |
|
69 |
|
70 CreateIfNeededL( aInputLayerIndex, aInputLayerMode, ETrue ); |
|
71 } |
|
72 |
|
73 // ----------------------------------------------------------------------------- |
|
74 // CAknsAlEffectContext::RgbBitmap |
|
75 // ----------------------------------------------------------------------------- |
|
76 // |
|
77 CFbsBitmap* CAknsAlEffectContext::RgbBitmap( TInt aLayerIndex ) const |
|
78 { |
|
79 if( aLayerIndex < 0 || aLayerIndex >= KAknsAlEffectContextLayerN ) |
|
80 return NULL; |
|
81 |
|
82 return iLayers[aLayerIndex].iRGBBitmap; |
|
83 } |
|
84 |
|
85 // ----------------------------------------------------------------------------- |
|
86 // CAknsAlEffectContext::AlphaBitmap |
|
87 // ----------------------------------------------------------------------------- |
|
88 // |
|
89 CFbsBitmap* CAknsAlEffectContext::AlphaBitmap( TInt aLayerIndex ) const |
|
90 { |
|
91 if( aLayerIndex < 0 || aLayerIndex >= KAknsAlEffectContextLayerN ) |
|
92 return NULL; |
|
93 |
|
94 return iLayers[aLayerIndex].iAlphaBitmap; |
|
95 } |
|
96 |
|
97 // ----------------------------------------------------------------------------- |
|
98 // CAknsAlEffectContext::RgbGc |
|
99 // ----------------------------------------------------------------------------- |
|
100 // |
|
101 CFbsBitGc* CAknsAlEffectContext::RgbGc( TInt aIndex ) const |
|
102 { |
|
103 if( aIndex < 0 || aIndex >= KAknsAlEffectContextLayerN ) |
|
104 return NULL; |
|
105 |
|
106 return iLayers[aIndex].iRGBGc; |
|
107 } |
|
108 |
|
109 // ----------------------------------------------------------------------------- |
|
110 // CAknsAlEffectContext::AlphaGc |
|
111 // ----------------------------------------------------------------------------- |
|
112 // |
|
113 CFbsBitGc* CAknsAlEffectContext::AlphaGc( TInt aIndex ) const |
|
114 { |
|
115 if( aIndex < 0 || aIndex >= KAknsAlEffectContextLayerN ) |
|
116 return NULL; |
|
117 |
|
118 return iLayers[aIndex].iAlphaGc; |
|
119 } |
|
120 |
|
121 // ----------------------------------------------------------------------------- |
|
122 // CAknsAlEffectContext::ReleaseInputLayers |
|
123 // ----------------------------------------------------------------------------- |
|
124 // |
|
125 void CAknsAlEffectContext::ReleaseInputLayers( TInt aOutputLayerIndex ) |
|
126 { |
|
127 // It is possible that output layer is also one of the input layers -> |
|
128 // delete all layers that are not output layer. |
|
129 for( int i=0; i < KAknsAlEffectContextLayerN; i++ ) |
|
130 { |
|
131 if( i != aOutputLayerIndex ) |
|
132 { |
|
133 ReleaseLayer( i ); |
|
134 } |
|
135 } |
|
136 } |
|
137 |
|
138 // ----------------------------------------------------------------------------- |
|
139 // CAknsAlEffectContext::SetSkinSrvSession |
|
140 // ----------------------------------------------------------------------------- |
|
141 // |
|
142 void CAknsAlEffectContext::SetSkinSrvSession( RAknsSrvSession* aSession ) |
|
143 { |
|
144 iSession = aSession; |
|
145 } |
|
146 |
|
147 // ----------------------------------------------------------------------------- |
|
148 // CAknsAlEffectContext::LayerSize |
|
149 // ----------------------------------------------------------------------------- |
|
150 // |
|
151 const TSize CAknsAlEffectContext::LayerSize() |
|
152 { |
|
153 return iLayerSize; |
|
154 } |
|
155 |
|
156 // ----------------------------------------------------------------------------- |
|
157 // CAknsAlEffectContext::GetLayerDataL |
|
158 // ----------------------------------------------------------------------------- |
|
159 // |
|
160 void CAknsAlEffectContext::GetLayerDataL( TAknsRlLayerData& aData, |
|
161 const TInt aLayerIndex, |
|
162 const TInt aLayerStatus, |
|
163 const TBool aInitialize ) |
|
164 { |
|
165 if( ( aLayerIndex < 0 ) || ( aLayerIndex >= KAknsAlEffectContextLayerN ) ) |
|
166 { |
|
167 User::Leave( KAknsRlErrBadLayerIndex ); |
|
168 } |
|
169 |
|
170 CreateIfNeededL( aLayerIndex, aLayerStatus, aInitialize ); |
|
171 |
|
172 /*lint -save -e661 */ // Index is boundary checked above |
|
173 if( (aLayerStatus==KAknsRlLayerRGBOnly) || |
|
174 (aLayerStatus==KAknsRlLayerRGBA) ) |
|
175 { |
|
176 aData.iRGBBitmap = iLayers[aLayerIndex].iRGBBitmap; |
|
177 aData.iRGBDevice = iLayers[aLayerIndex].iRGBDevice; |
|
178 aData.iRGBGc = iLayers[aLayerIndex].iRGBGc; |
|
179 } |
|
180 |
|
181 if( (aLayerStatus==KAknsRlLayerAlphaOnly) || |
|
182 (aLayerStatus==KAknsRlLayerRGBA) ) |
|
183 { |
|
184 aData.iAlphaBitmap = iLayers[aLayerIndex].iAlphaBitmap; |
|
185 aData.iAlphaDevice = iLayers[aLayerIndex].iAlphaDevice; |
|
186 aData.iAlphaGc = iLayers[aLayerIndex].iAlphaGc; |
|
187 } |
|
188 /*lint -restore */ |
|
189 } |
|
190 |
|
191 // ----------------------------------------------------------------------------- |
|
192 // CAknsAlEffectContext::GetSkinSrvSession |
|
193 // ----------------------------------------------------------------------------- |
|
194 // |
|
195 RAknsSrvSession* CAknsAlEffectContext::GetSkinSrvSession() |
|
196 { |
|
197 return iSession; |
|
198 } |
|
199 |
|
200 // ----------------------------------------------------------------------------- |
|
201 // CAknsAlEffectContext::CreateIfNeededL |
|
202 // ----------------------------------------------------------------------------- |
|
203 // |
|
204 void CAknsAlEffectContext::CreateIfNeededL( const TInt aLayerIndex, |
|
205 const TInt aLayerStatus, const TBool aInitialize ) |
|
206 { |
|
207 if( ( aLayerIndex < 0 ) || ( aLayerIndex >= KAknsAlEffectContextLayerN ) ) |
|
208 { |
|
209 User::Leave( KAknsRlErrBadLayerIndex ); |
|
210 } |
|
211 |
|
212 /*lint -save -e661 */ // Index is boundary checked above |
|
213 if( iLayers[aLayerIndex].iRGBBitmap && |
|
214 iLayers[aLayerIndex].iAlphaBitmap ) return; |
|
215 |
|
216 if( iLayers[aLayerIndex].iRGBBitmap || |
|
217 iLayers[aLayerIndex].iAlphaBitmap ) |
|
218 User::Leave( KAknsRlErrInternalState ); |
|
219 |
|
220 TSize size = LayerSize(); |
|
221 |
|
222 CFbsBitmap* bitmap = new (ELeave) CFbsBitmap(); |
|
223 CleanupStack::PushL( bitmap ); |
|
224 User::LeaveIfError( bitmap->Create( size, iRgbMode ) ); |
|
225 |
|
226 CFbsBitmapDevice* dev = CFbsBitmapDevice::NewL( bitmap ); |
|
227 CleanupStack::PushL( dev ); |
|
228 |
|
229 CFbsBitGc* gc = CFbsBitGc::NewL(); |
|
230 CleanupStack::PushL( gc ); |
|
231 gc->Activate( dev ); |
|
232 |
|
233 iLayers[aLayerIndex].iRGBBitmap = bitmap; |
|
234 iLayers[aLayerIndex].iRGBDevice = dev; |
|
235 iLayers[aLayerIndex].iRGBGc = gc; |
|
236 CleanupStack::Pop(3); // gc, dev, bitmap |
|
237 |
|
238 bitmap = new (ELeave) CFbsBitmap(); |
|
239 CleanupStack::PushL( bitmap ); |
|
240 User::LeaveIfError( bitmap->Create( size, EGray256 ) ); |
|
241 |
|
242 dev = CFbsBitmapDevice::NewL( bitmap ); |
|
243 CleanupStack::PushL( dev ); |
|
244 |
|
245 gc = CFbsBitGc::NewL(); |
|
246 CleanupStack::PushL( gc ); |
|
247 gc->Activate( dev ); |
|
248 |
|
249 iLayers[aLayerIndex].iAlphaBitmap = bitmap; |
|
250 iLayers[aLayerIndex].iAlphaDevice = dev; |
|
251 iLayers[aLayerIndex].iAlphaGc = gc; |
|
252 CleanupStack::Pop(3); // gc, dev, bitmap |
|
253 |
|
254 if( aInitialize ) |
|
255 { |
|
256 switch( aLayerStatus ) |
|
257 { |
|
258 case KAknsRlLayerRGBOnly: |
|
259 iLayers[aLayerIndex].iRGBGc->SetBrushColor( KRgbBlack ); |
|
260 iLayers[aLayerIndex].iRGBGc->Clear(); |
|
261 iLayers[aLayerIndex].iAlphaGc->SetBrushColor( KRgbWhite ); |
|
262 iLayers[aLayerIndex].iAlphaGc->Clear(); |
|
263 break; |
|
264 default: |
|
265 iLayers[aLayerIndex].iRGBGc->SetBrushColor( KRgbBlack ); |
|
266 iLayers[aLayerIndex].iRGBGc->Clear(); |
|
267 iLayers[aLayerIndex].iAlphaGc->SetBrushColor( KRgbBlack ); |
|
268 iLayers[aLayerIndex].iAlphaGc->Clear(); |
|
269 break; |
|
270 } |
|
271 } |
|
272 /*lint -restore */ |
|
273 }//lint !e661 Layer index is boundary checked |
|
274 |
|
275 // ----------------------------------------------------------------------------- |
|
276 // CAknsAlEffectContext::ReleaseLayers |
|
277 // ----------------------------------------------------------------------------- |
|
278 // |
|
279 void CAknsAlEffectContext::ReleaseLayers() |
|
280 { |
|
281 for( TInt i=0; i < KAknsAlEffectContextLayerN; i++ ) |
|
282 { |
|
283 ReleaseLayer( i ); |
|
284 } |
|
285 } |
|
286 // ----------------------------------------------------------------------------- |
|
287 // CAknsAlEffectContext::ReleaseLayer |
|
288 // ----------------------------------------------------------------------------- |
|
289 // |
|
290 void CAknsAlEffectContext::ReleaseLayer( const TInt aLayerIndex ) |
|
291 { |
|
292 ASSERT( aLayerIndex >= 0 && aLayerIndex < KAknsAlEffectContextLayerN ); |
|
293 |
|
294 /*lint -save -e661 */ // Never called with invalid index |
|
295 delete iLayers[aLayerIndex].iRGBBitmap; |
|
296 delete iLayers[aLayerIndex].iRGBDevice; |
|
297 delete iLayers[aLayerIndex].iRGBGc; |
|
298 delete iLayers[aLayerIndex].iAlphaBitmap; |
|
299 delete iLayers[aLayerIndex].iAlphaDevice; |
|
300 delete iLayers[aLayerIndex].iAlphaGc; |
|
301 |
|
302 iLayers[aLayerIndex].iRGBBitmap = NULL; |
|
303 iLayers[aLayerIndex].iRGBDevice = NULL; |
|
304 iLayers[aLayerIndex].iRGBGc = NULL; |
|
305 iLayers[aLayerIndex].iAlphaBitmap = NULL; |
|
306 iLayers[aLayerIndex].iAlphaDevice = NULL; |
|
307 iLayers[aLayerIndex].iAlphaGc = NULL; |
|
308 /*lint -restore */ |
|
309 } |
|
310 |
|
311 // End of File |