author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Mon, 22 Feb 2010 17:57:49 +0200 | |
branch | RCL_3 |
changeset 3 | d8a3531bc6b8 |
parent 0 | 15bf7259bb7c |
child 8 | 10534483575f |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2006-2007 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: ?Description |
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* |
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*/ |
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|
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#include <uiacceltk/huigifanimationtexture.h> |
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#include <uiacceltk/HuiStatic.h> |
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#include <driveinfo.h> |
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CHuiGifAnimationTexture::TAnimationState SetFlag(TInt aValue, TInt aFlag) |
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{ |
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return CHuiGifAnimationTexture::TAnimationState(aValue|aFlag); |
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} |
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CHuiGifAnimationTexture::TAnimationState ClearFlag(TInt aValue, TInt aFlag) |
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{ |
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return CHuiGifAnimationTexture::TAnimationState(aValue^aFlag); |
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} |
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EXPORT_C CHuiGifAnimationTexture* CHuiGifAnimationTexture::NewL(const TDesC& aFilename, |
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CHuiTextureManager& aManager, |
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TInt aID, |
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THuiTextureUploadFlags aFlags) |
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{ |
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CHuiGifAnimationTexture* self = new(ELeave) CHuiGifAnimationTexture(aManager,aFlags, aID); |
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CleanupStack::PushL(self); |
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self->ConstructL(aFilename); |
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CleanupStack::Pop(); // self |
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return self; |
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} |
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EXPORT_C void CHuiGifAnimationTexture::Start() |
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{ |
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iAnimationState = SetFlag(TInt(iAnimationState), TInt(ERunning)); |
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if (iAnimationState&EStopped) |
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{ |
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iAnimationState=ClearFlag(TInt(iAnimationState), TInt(EStopped)); |
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} |
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if (iTexture) |
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{ |
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iTexture->SetTextureChanged(ETrue); |
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} |
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} |
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EXPORT_C void CHuiGifAnimationTexture::Stop() |
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{ |
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if (iAnimationState&ERunning) |
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{ |
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iAnimationState=ClearFlag(TInt(iAnimationState), TInt(ERunning)); |
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} |
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iAnimationState = SetFlag(TInt(iAnimationState), TInt(EStopped)); |
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} |
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EXPORT_C void CHuiGifAnimationTexture::EnableAnimation(TBool aEnable) |
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{ |
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if (aEnable) |
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{ |
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iAnimationState = SetFlag(TInt(iAnimationState), TInt(EEnabled)); |
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} |
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else |
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{ |
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iAnimationState = ClearFlag(TInt(iAnimationState), TInt(EEnabled)); |
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} |
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} |
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EXPORT_C TInt CHuiGifAnimationTexture::Id() |
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{ |
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return iId; |
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} |
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void CHuiGifAnimationTexture::AdvanceTime(TReal32 aElapsedTime) __SOFTFP |
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{ |
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if (((iAnimationState & EInitializing) || (iFrameInterval == -1)) || (iAnimationState & EStopped) |
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|| !(iAnimationState & EEnabled)) |
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{ |
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return; |
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} |
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iElapsedTime+=aElapsedTime; |
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TReal32 time = (TReal(iFrameInterval))/1000000.0f; |
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if (iElapsedTime >= time) |
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{ |
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const TInt loadingTextureId = iCurrentTexture ? iTextureId1 : iTextureId2; |
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if ( !iManager.IsLoaded( loadingTextureId ) ) |
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{ |
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return; |
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105 |
} |
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|
106 |
|
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107 |
iCurrentTexture^=1; |
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|
108 |
|
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109 |
if (iCurrentTexture) |
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110 |
// use texture 2 |
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111 |
{ |
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112 |
iTexture = iTexture2; |
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113 |
TInt nextToLoad = iTexture2->iFrameNumber+1; |
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114 |
if (nextToLoad >= iFrameCount) |
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115 |
{ |
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116 |
nextToLoad = 0; |
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117 |
} |
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118 |
|
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119 |
delete iTexture1; |
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iTexture1 = 0; |
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121 |
|
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122 |
TRAP_IGNORE(iTexture1 = &iManager.LoadTextureL(*iFilename,EHuiTextureUploadFlagDefault, iTextureId1, nextToLoad)) |
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123 |
} |
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124 |
else |
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125 |
// use texture 1 |
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126 |
{ |
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127 |
iTexture = iTexture1; |
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TInt nextToLoad = iTexture1->iFrameNumber+1; |
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129 |
if (nextToLoad >= iFrameCount) |
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130 |
{ |
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131 |
nextToLoad = 0; |
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132 |
} |
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133 |
|
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134 |
delete iTexture2; |
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iTexture2 = 0; |
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136 |
|
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137 |
TRAP_IGNORE(iTexture2 = &iManager.LoadTextureL(*iFilename,EHuiTextureUploadFlagDefault, iTextureId2, nextToLoad)) |
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138 |
|
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139 |
} |
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140 |
iElapsedTime = 0.0f; |
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|
141 |
|
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142 |
} |
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143 |
} |
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|
144 |
|
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|
145 |
|
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146 |
void CHuiGifAnimationTexture::TextureLoadingCompleted(CHuiTexture& aTexture, |
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147 |
TInt aTextureId, |
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148 |
TInt /*aErrorCode*/) |
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149 |
{ |
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150 |
if ((iAnimationState & EInitializing) && aTexture.iFrameCount > 1 && aTextureId == iTextureId1) |
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151 |
{ |
3
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152 |
delete iTexture; |
0
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153 |
iTexture = iTexture1; |
3
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154 |
delete iTexture2; |
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|
155 |
iTexture2 = NULL; |
0
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156 |
TRAP_IGNORE(iTexture2 = &iManager.LoadTextureL(*iFilename,EHuiTextureUploadFlagDefault, iTextureId2, 1)) |
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157 |
iFrameInterval = aTexture.iFrameInterval; |
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|
158 |
iFrameCount = aTexture.iFrameCount; |
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159 |
return; |
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160 |
} |
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161 |
if ((iAnimationState & EInitializing) && aTextureId == iTextureId2) |
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|
162 |
{ |
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163 |
iAnimationState = SetFlag(TInt(iAnimationState),TInt(ERunning)); |
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164 |
iAnimationState = ClearFlag(TInt(iAnimationState), TInt(EInitializing)); |
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165 |
} |
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|
166 |
} |
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|
167 |
|
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|
168 |
|
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|
169 |
CHuiGifAnimationTexture::CHuiGifAnimationTexture(CHuiTextureManager& aManager,THuiTextureUploadFlags aFlags,TInt aId) : |
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170 |
CHuiAnimatedTexture(aManager), |
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|
171 |
iTexture2(NULL), |
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|
172 |
iCurrentTexture(0), |
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|
173 |
iAnimationState(EInitializing), |
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|
174 |
iFrameInterval(-1), |
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|
175 |
iFrameCount(0), |
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|
176 |
iFlags(aFlags), |
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|
177 |
iId(aId) |
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|
178 |
{ |
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|
179 |
} |
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|
180 |
|
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|
181 |
void CHuiGifAnimationTexture::ConstructL(const TDesC& aFilename) |
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|
182 |
{ |
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|
183 |
CHuiAnimatedTexture::BaseConstructL(); |
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|
184 |
iTextureId1 = CHuiStatic::GenerateId(); |
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|
185 |
iTextureId2 = CHuiStatic::GenerateId(); |
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|
186 |
|
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|
187 |
// To load GIF animation, you should load textures in sequence - |
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Revision: 201003
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|
188 |
// previous state is needed. Thus, this group indicates that |
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Revision: 201003
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|
189 |
// previous state can be shared between these textures. |
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|
190 |
RArray<TInt> groupIds; |
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|
191 |
CleanupClosePushL( groupIds ); |
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|
192 |
groupIds.AppendL( iTextureId1 ); |
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|
193 |
groupIds.AppendL( iTextureId2 ); |
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|
194 |
iAnimatedTextureGroupId = iManager.AddAnimatedTextureGroupL( groupIds ); |
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|
195 |
CleanupStack::PopAndDestroy( &groupIds ); |
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|
196 |
|
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|
197 |
// Alf locks the file while drawing textures hence preventing any other operations on this file |
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|
198 |
// so copy file to RAM and use that instead. |
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|
199 |
TParse parse; |
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|
200 |
parse.Set(aFilename, NULL, NULL); |
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|
201 |
parse.NameAndExt(); |
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|
202 |
|
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|
203 |
TChar drive; |
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|
204 |
User::LeaveIfError( DriveInfo::GetDefaultDrive(DriveInfo::EDefaultRam, drive ) ); |
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|
205 |
|
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|
206 |
iFilename = HBufC::NewL(parse.NameAndExt().Size() + 4); |
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Revision: 201003
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|
207 |
TPtr ptr = iFilename->Des(); |
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|
208 |
|
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|
209 |
ptr.Append(drive); |
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ptr.Append(_L(":\\")); |
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ptr.Append(parse.NameAndExt()); |
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RFs fs; |
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User::LeaveIfError(fs.Connect()); |
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CFileMan* fileman = CFileMan::NewL(fs); |
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CleanupStack::PushL(fileman); |
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TInt err = fileman->Copy(aFilename, iFilename->Des()); |
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|
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CleanupStack::PopAndDestroy(); |
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|
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if(err != KErrNone) |
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{ |
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delete iFilename; |
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iFilename = aFilename.AllocL(); |
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} |
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|
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|
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iTexture1 = &iManager.LoadTextureL( |
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*iFilename,EHuiTextureUploadFlagDefault, iTextureId1, 0); |
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iManager.iLoadObservers.AppendL(*this); |
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|
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iAnimationState = SetFlag(TInt(iAnimationState), TInt(EEnabled)); |
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} |
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|
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EXPORT_C CHuiGifAnimationTexture::~CHuiGifAnimationTexture() |
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{ |
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if ( iAnimatedTextureGroupId ) |
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{ |
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iManager.RemoveAnimatedTextureGroup( iAnimatedTextureGroupId ); |
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} |
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iManager.iLoadObservers.RemoveIfFound(*this); |
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|
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delete iTexture1; |
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delete iTexture2; |
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|
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iTexture = 0; |
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|
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RFs fs; |
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TInt err = fs.Connect(); |
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if(err == KErrNone) |
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{ |
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CFileMan* fileman = 0; |
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TRAP(err, fileman = CFileMan::NewL(fs)); |
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if(err == KErrNone) |
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{ |
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fileman->Delete(iFilename->Des()); |
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} |
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} |
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|
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|
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delete iFilename; |
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} |
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265 |