author | bdonegan |
Fri, 22 Oct 2010 11:15:40 +0100 | |
branch | bug235_bringup_0 |
changeset 205 | c7cc034fd51d |
parent 0 | 5d03bc08d59c |
permissions | -rw-r--r-- |
0
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// Copyright (c) 2003-2009 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: |
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// |
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|
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#include "offscreenbitmap.h" |
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#include "inifile.h" |
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#include "panics.h" |
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#include "ScrDev.H" |
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#include "server.h" |
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#include "wstop.h" |
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#include "rootwin.h" |
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#if defined(__WINS__) && defined(_DEBUG) |
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#include "../../debuglog/osbwin.h" |
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#endif |
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|
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GLREF_D TDisplayMode ParseDisplayMode(const TDesC& aModeName); |
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|
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CWsOffScreenBitmap* CWsOffScreenBitmap::NewL(CScreen* aScreen) |
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{ |
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CWsOffScreenBitmap* self=new(ELeave) CWsOffScreenBitmap(aScreen); |
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CleanupStack::PushL(self); |
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self->ConstructL(); |
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CleanupStack::Pop(self); |
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return self; |
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} |
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|
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inline CWsOffScreenBitmap::CWsOffScreenBitmap(CScreen* aScreen) :iScreen(aScreen) |
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{} |
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|
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CWsOffScreenBitmap::~CWsOffScreenBitmap() |
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{ |
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delete iBitmapGc; |
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delete iBitmap; |
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iObserver = NULL; |
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#if defined(__WINS__) && defined(_DEBUG) |
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delete iOsbWin; |
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#endif |
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delete iBitmapDevice; |
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} |
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|
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template <class T> |
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LOCAL_C inline void Swap(T& aLeft, T& aRight) |
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{ T temp=aLeft;aLeft=aRight;aRight=temp;} |
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template <class T> |
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LOCAL_C inline TBool SwapIfLeftIsBigger(T& aLeft, T& aRight) |
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{if (aLeft>aRight) { ::Swap(aLeft, aRight); return (aRight>aLeft);} return (aLeft>aRight);} |
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|
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void CWsOffScreenBitmap::ConstructL() |
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{ |
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_LIT(KFlickerBufferMode,"FLICKERBUFFERMODE"); |
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TPtrC flickerBufferModeName; |
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TDisplayMode displayMode = ENone; |
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if (WsIniFile->FindVar(iScreen->ScreenNumber(), KFlickerBufferMode, flickerBufferModeName)) |
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displayMode = ParseDisplayMode(flickerBufferModeName); |
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if (displayMode == ENone) |
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displayMode = iScreen->DisplayMode(); |
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|
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WS_ASSERT_DEBUG(displayMode!=ENone, EWsPanicNoDisplayModeFound); |
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iBitmap=new(ELeave) CFbsBitmap; |
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TSize screenSize=iScreen->ScreenDevice()->SizeInPixels(); |
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TBool haveSwapped=SwapIfLeftIsBigger(screenSize.iWidth, screenSize.iHeight); |
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User::LeaveIfError(iBitmap->Create(screenSize,displayMode)); |
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if (haveSwapped) |
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{ |
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iBitmap->SwapWidthAndHeight(); |
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} |
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User::LeaveIfError(iBitmap->SetDisplayMode(iScreen->DisplayMode())); |
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iBitmapDevice=CFbsBitmapDevice::NewL(iBitmap); |
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User::LeaveIfError(iBitmapDevice->CreateContext(iBitmapGc)); |
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|
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TSizeMode sizeMode = iScreen->ScreenSizeModeData(iScreen->ScreenSizeMode()); |
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TSize osbSize(iBitmap->SizeInPixels()); |
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TSize osbTwips(sizeMode.iScreenTwipsSize); |
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if (osbSize!=sizeMode.iScreenSize) |
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{ |
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// The specified screen twips size is for the specified screen pixel size, however the OSB |
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// is potentially larger as it needs to hold the maximum possible screen size, so we need |
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// to scale the twips size up correspondingly. |
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osbTwips.iWidth=sizeMode.iScreenTwipsSize.iWidth*osbSize.iWidth/sizeMode.iScreenSize.iWidth; |
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osbTwips.iHeight=sizeMode.iScreenTwipsSize.iHeight*osbSize.iHeight/sizeMode.iScreenSize.iHeight; |
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} |
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iBitmap->SetSizeInTwips(osbTwips); |
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|
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# if defined(__WINS__) && defined(_DEBUG) |
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_LIT(KDebugOsb,"DEBUGOSB"); |
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if (WsIniFile->FindVar(iScreen->ScreenNumber(),KDebugOsb)) |
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{ |
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_LIT(KDebugOsbTitleFormat, "Screen %d, offscreen bitmap"); |
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100 |
TBuf<32> title; |
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title.Format(KDebugOsbTitleFormat, iScreen->ScreenNumber()); |
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iOsbWin = CDebugOsbWin::NewL(title, iBitmap->SizeInPixels()); |
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103 |
} |
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104 |
# endif |
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105 |
} |
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106 |
|
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TInt CWsOffScreenBitmap::DisplayModeChanged(TBool aSwapWidthAndHeight) |
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108 |
{ |
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TInt err=KErrNone; |
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if (aSwapWidthAndHeight) |
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111 |
{ |
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err=iBitmapDevice->SwapWidthAndHeight(); |
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WS_ASSERT_DEBUG(err==KErrNone, EWsCreatedOffScreenBitmapInWrongDimensions); |
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iBitmapGc->Activate(iBitmapDevice); |
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115 |
} |
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return err; |
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} |
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118 |
|
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119 |
void CWsOffScreenBitmap::SetObserver(MWsFlickerFreeBufferObserver* aObserver) |
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120 |
{ |
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iObserver = aObserver; |
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122 |
} |
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123 |
|
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MWsFlickerFreeBufferObserver * CWsOffScreenBitmap::Observer() |
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125 |
{ |
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return iObserver; |
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127 |
} |
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128 |
|
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129 |
CFbsBitmap* CWsOffScreenBitmap::Bitmap() |
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130 |
{ |
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CFbsBitmap* bmp = iRedirectBuffer? iRedirectBuffer->GetBitmap() : iBitmap; |
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WS_ASSERT_DEBUG(bmp!=NULL, EWsPanicTemp); |
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return bmp; |
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134 |
} |
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135 |
|
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136 |
CFbsDevice* CWsOffScreenBitmap::BitmapDevice() |
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137 |
{ |
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CFbsDevice* device = static_cast<CFbsDevice*>(GetBitGcCurrent()->Device()); |
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WS_ASSERT_DEBUG(device!=NULL, EWsPanicNullDeviceHandle); |
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140 |
return device; |
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141 |
} |
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142 |
|
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143 |
// This function updates the OffScreenBitmap and TransparencyManager's device and GC |
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// Note: Here the OffScreenBitmap's scale is not considered. |
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145 |
void CWsOffScreenBitmap::UpdateGc(const TBool aSwapWidthAndHeight) |
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146 |
{ |
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if (aSwapWidthAndHeight) |
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148 |
{ |
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149 |
iBitmapDevice->SwapWidthAndHeight(); |
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150 |
} |
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151 |
iBitmapDevice->SetScalingFactor(iScreen->CurrentScreenModeScaledOrigin(),1,1,1,1); |
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iBitmapGc->Activate(iBitmapDevice); |
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153 |
} |
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154 |
|
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155 |
#if defined(__WINS__) && defined(_DEBUG) |
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156 |
void CWsOffScreenBitmap::Update() |
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157 |
{ |
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158 |
if (iOsbWin) |
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159 |
{ |
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160 |
iBitmap->LockHeap(); |
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161 |
iOsbWin->Refresh(iBitmap->SizeInPixels(), iBitmap->DisplayMode(), iBitmap->DataAddress()); |
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162 |
iBitmap->UnlockHeap(); |
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163 |
} |
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164 |
} |
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165 |
#endif |
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166 |
|
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167 |
/** |
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168 |
Implementing MWsBackBuffer interface |
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169 |
*/ |
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170 |
CFbsBitmap* CWsOffScreenBitmap::GetBitmap() |
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171 |
{ |
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172 |
return iBitmap; |
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173 |
} |
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174 |
|
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175 |
CFbsBitGc* CWsOffScreenBitmap::GetBitGc() |
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176 |
{ |
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177 |
return iBitmapGc; |
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178 |
} |
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179 |
|
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180 |
CFbsBitGc* CWsOffScreenBitmap::GetBitGcCurrent() |
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181 |
{ |
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182 |
CFbsBitGc* gc = iRedirectGc? iRedirectGc : (iRedirectBuffer? iRedirectBuffer->GetBitGc() : iBitmapGc); |
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WS_ASSERT_DEBUG(gc!=NULL, EWsPanicTemp); |
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184 |
return gc; |
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185 |
} |
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186 |
|
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187 |
TInt CWsOffScreenBitmap::SetBitGc(CFbsBitGc* aBitGc) |
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188 |
{ |
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189 |
if (iRedirectBuffer) |
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190 |
return KErrInUse; |
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191 |
|
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192 |
if (aBitGc && (aBitGc==iBitmapGc || aBitGc==iRedirectGc)) |
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193 |
return KErrAlreadyExists; |
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194 |
|
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195 |
if (aBitGc && !aBitGc->Device()) |
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196 |
return KErrArgument; |
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197 |
|
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iRedirectGc = aBitGc; |
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199 |
return KErrNone; |
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200 |
} |
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201 |
|
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202 |
TInt CWsOffScreenBitmap::RedirectTo(MWsBackBuffer* aTarget) |
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203 |
{ |
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204 |
if (iRedirectGc) |
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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205 |
return KErrInUse; |
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Revision: 201003
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206 |
|
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Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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207 |
if (aTarget && aTarget==iRedirectBuffer) |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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208 |
return KErrAlreadyExists; |
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209 |
|
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Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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210 |
if ( aTarget && iScreen->HasVisibleDirectOnQueue() ) |
5d03bc08d59c
Revision: 201003
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211 |
return KErrInUse; |
5d03bc08d59c
Revision: 201003
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212 |
if (aTarget && |
5d03bc08d59c
Revision: 201003
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213 |
( |
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Revision: 201003
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214 |
!aTarget->GetBitmap()|| |
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Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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215 |
!aTarget->GetBitGc() || |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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(aTarget->GetBitGc() && !aTarget->GetBitGc()->Device()) |
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217 |
) |
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218 |
) |
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Revision: 201003
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219 |
return KErrArgument; |
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Revision: 201003
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220 |
|
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Revision: 201003
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221 |
iRedirectBuffer = aTarget; |
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Revision: 201003
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222 |
return KErrNone; |
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223 |
} |
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224 |
|
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Revision: 201003
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225 |
TAny* CWsOffScreenBitmap::ResolveObjectInterface(TUint aTypeId) |
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226 |
{ |
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Revision: 201003
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switch (aTypeId) |
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228 |
{ |
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229 |
case MWsBackBuffer::EWsObjectInterfaceId: |
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Revision: 201003
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return static_cast<MWsBackBuffer *>(this); |
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231 |
} |
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return NULL; |
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233 |
} |