author | hgs |
Thu, 14 Oct 2010 18:35:08 +0300 | |
changeset 60 | 5dafecb0892a |
parent 0 | 15bf7259bb7c |
permissions | -rw-r--r-- |
0
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/* |
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* Copyright (c) 2006-2008 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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|
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|
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|
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#include "uiacceltk/HuiCanvasCmdBufferReader.h" |
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#include "uiacceltk/HuiUtil.h" |
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|
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// --------------------------------------------------------------------------- |
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// Constructor |
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// --------------------------------------------------------------------------- |
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// |
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CHuiCanvasCmdBufferReader::CHuiCanvasCmdBufferReader() |
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{ |
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} |
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|
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// --------------------------------------------------------------------------- |
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// Destructor |
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// --------------------------------------------------------------------------- |
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// |
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CHuiCanvasCmdBufferReader::~CHuiCanvasCmdBufferReader() |
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{ |
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iStream.Close(); |
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delete iCachedText; |
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} |
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// --------------------------------------------------------------------------- |
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// InitL |
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// --------------------------------------------------------------------------- |
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// |
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void CHuiCanvasCmdBufferReader::Init( TPtr8& aDes,TInt aLength) |
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{ |
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iStream.Close(); |
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if (aDes.Ptr()) |
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{ |
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iStream.Open( aDes.Ptr(), aLength ); |
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delete iCachedText; |
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iCachedText = NULL; |
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iBasePtr = &aDes; |
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#ifdef _DEBUG |
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iBufferIndex = 0; |
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iBufferLength = aLength; |
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#endif |
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} |
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} |
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// --------------------------------------------------------------------------- |
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// ReadInt32L |
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// --------------------------------------------------------------------------- |
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// |
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void CHuiCanvasCmdBufferReader::ReadInt32L( TInt& aValue ) |
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{ |
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aValue = iStream.ReadInt32L(); |
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#ifdef _DEBUG |
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iBufferIndex += sizeof(TInt32); |
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#endif |
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} |
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// --------------------------------------------------------------------------- |
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// ReadPointL |
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// --------------------------------------------------------------------------- |
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// |
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void CHuiCanvasCmdBufferReader::ReadPointL( TPoint& aPoint ) |
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{ |
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iStream.ReadL( (TUint8*)&(aPoint.iX), sizeof( TInt32 ) * 2 ); |
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} |
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// --------------------------------------------------------------------------- |
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// ReadRectL |
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// --------------------------------------------------------------------------- |
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// |
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void CHuiCanvasCmdBufferReader::ReadRectL( TRect& aRect ) |
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{ |
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iStream.ReadL( (TUint8*)&(aRect.iTl.iX), sizeof( TInt32) * 4 ); |
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} |
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// --------------------------------------------------------------------------- |
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// ReadBitmapLC |
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// --------------------------------------------------------------------------- |
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// |
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void CHuiCanvasCmdBufferReader::ReadBitmapLC( CFbsBitmap*& aBitmap ) |
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{ |
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TInt uid; |
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ReadInt32L( uid ); |
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aBitmap = new(ELeave)CFbsBitmap; |
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CleanupStack::PushL( aBitmap ); |
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|
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//TODO:Bitmap cache, check if bitmap is already in cache. Avoid call to Duplicate |
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//TODO: Cache needs to remove stuff, if not used. |
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aBitmap->Duplicate( uid ); |
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} |
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// --------------------------------------------------------------------------- |
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// ReadBitmapHandleL |
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// --------------------------------------------------------------------------- |
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// |
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void CHuiCanvasCmdBufferReader::ReadBitmapHandleL( TInt& aBitmapHandle ) |
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{ |
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aBitmapHandle = iStream.ReadInt32L(); |
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} |
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|
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// --------------------------------------------------------------------------- |
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// ReadTextL |
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// --------------------------------------------------------------------------- |
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// |
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TBool CHuiCanvasCmdBufferReader::ReadTextL( TPtr& aText , THuiCanvasTextParameters& aTextParameters ) |
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122 |
{ |
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TInt length = 0; |
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TBool useCachedText = iStream.ReadInt8L(); |
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if ( !useCachedText ) |
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{ |
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length = iStream.ReadInt32L() / 2 ; |
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TInt startPadding = iStream.ReadInt8L(); |
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TInt endPadding = iStream.ReadInt8L(); |
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130 |
|
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TInt offset = iStream.Source()->TellL( MStreamBuf::ERead ).Offset() + startPadding; |
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TPtr16 ptr = TPtr16( (TUint16*)( (TInt)iBasePtr->Ptr() + offset ), length, length ); |
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aText.Set( ptr ); |
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134 |
|
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iStream.Source()->SeekL( MStreamBuf::ERead, TStreamPos( offset + length * 2 + endPadding )); |
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if ( !iCachedText ) |
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{ |
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iCachedText = new(ELeave)TPtr16( ptr ); |
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139 |
} |
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140 |
else |
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141 |
{ |
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iCachedText->Set( ptr ); |
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143 |
} |
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144 |
} |
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145 |
else |
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146 |
{ |
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aText.Set( *iCachedText ); |
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} |
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149 |
TInt8 textParameters = iStream.ReadInt8L(); |
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150 |
switch ( textParameters ) |
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151 |
{ |
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152 |
case 1: |
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153 |
{ |
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// Is there text parameters |
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aTextParameters.iStart = iStream.ReadInt32L(); |
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aTextParameters.iEnd = iStream.ReadInt32L(); |
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aTextParameters.iFlags = iStream.ReadUint16L(); |
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if ( aTextParameters.iStart >= aTextParameters.iEnd ) |
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159 |
{ |
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return EFalse; |
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161 |
} |
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162 |
break; |
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163 |
} |
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164 |
case 2: |
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165 |
{ |
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aTextParameters.iStart = 0; |
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aTextParameters.iEnd = length / 2; |
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aTextParameters.iFlags = 0; |
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169 |
break; |
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170 |
} |
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default: // 0 |
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172 |
{ |
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aTextParameters.iStart = 0; |
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aTextParameters.iEnd = KMaxTInt; |
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|
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aTextParameters.iFlags = 0; |
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176 |
break; |
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177 |
} |
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178 |
} |
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return ETrue; |
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180 |
} |
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181 |
|
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// --------------------------------------------------------------------------- |
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// ReadPointArrayL, NOT TESTED |
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// --------------------------------------------------------------------------- |
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185 |
// |
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void CHuiCanvasCmdBufferReader::ReadPointArrayL( CArrayFix<TPoint>*& aPointArray ) |
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187 |
{ |
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TInt count = iStream.ReadInt32L(); |
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TInt index = 0; |
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aPointArray = new(ELeave)CArrayFixFlat<TPoint>(count); |
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191 |
CleanupStack::PushL( aPointArray ); |
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192 |
while( index < count ) |
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193 |
{ |
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194 |
TPoint point = TPoint(0,0); |
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195 |
ReadPointL( point ); |
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196 |
aPointArray->AppendL( point ); |
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197 |
index++; |
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198 |
} |
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199 |
CleanupStack::Pop( aPointArray ); |
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200 |
} |
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|
201 |
|
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202 |
// --------------------------------------------------------------------------- |
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203 |
// ReadPointArrayL, NOT TESTED |
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204 |
// --------------------------------------------------------------------------- |
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205 |
// |
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206 |
void CHuiCanvasCmdBufferReader::ReadPointArrayL( TPoint*& aPointArray, TInt& aNumPoints ) |
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207 |
{ |
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208 |
ReadInt32L( aNumPoints ); |
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209 |
TInt index = 0; |
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210 |
aPointArray = new(ELeave)TPoint[aNumPoints]; |
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211 |
CleanupStack::PushL( aPointArray ); |
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212 |
|
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213 |
while( index < aNumPoints ) |
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{ |
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TPoint* point = new(ELeave)TPoint(); |
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CleanupStack::PushL( point ); |
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ReadPointL( *point ); |
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aPointArray[index]= *point; |
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CleanupStack::Pop( point ); |
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index++; |
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} |
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CleanupStack::Pop( aPointArray ); |
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} |
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// --------------------------------------------------------------------------- |
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// ReadPointArrayL - NOT TESTED |
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// --------------------------------------------------------------------------- |
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// |
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void CHuiCanvasCmdBufferReader::DeletePointArrayL( TPoint*& aPointArray, TInt& aNumPoints ) |
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{ |
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TInt index = 0; |
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while( index < aNumPoints ) |
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{ |
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delete &(aPointArray[index]); |
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index++; |
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} |
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delete aPointArray; |
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aPointArray = NULL; |
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} |
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// --------------------------------------------------------------------------- |
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// ReadRegionL |
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// --------------------------------------------------------------------------- |
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// |
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void CHuiCanvasCmdBufferReader::ReadRegionL( RRegion& aRegion ) |
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{ |
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aRegion.Clear(); |
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TRect rect; |
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TInt count; |
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ReadInt32L( count );// rect count |
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for (TInt i = 0 ; i < count ; i++ ) |
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{ |
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ReadRectL( rect ); |
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aRegion.AddRect( rect ); |
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} |
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} |
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// --------------------------------------------------------------------------- |
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// ReadColorL |
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// --------------------------------------------------------------------------- |
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// |
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void CHuiCanvasCmdBufferReader::ReadColorL( TRgb& aColor ) |
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{ |
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aColor.SetInternal( iStream.ReadUint32L()); |
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} |
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|
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// --------------------------------------------------------------------------- |
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// Stream |
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// --------------------------------------------------------------------------- |
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// |
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RMemReadStream& CHuiCanvasCmdBufferReader::Stream() |
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{ |
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return iStream; |
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} |
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