author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Wed, 31 Mar 2010 21:31:03 +0300 | |
branch | RCL_3 |
changeset 13 | bcb43dc84c44 |
parent 0 | 4e91876724a2 |
permissions | -rw-r--r-- |
0
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/* |
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* Copyright (c) 2008-2009 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: Utility for creating bitmaps from video files |
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* |
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*/ |
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|
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|
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|
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/** |
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* @internal reviewed 31/07/2007 by Simon Brooks |
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*/ |
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#include "glxtnimageutility.h" |
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#include <MIHLScaler.h> // MIHLScaler |
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#include <fbs.h> |
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#include <glxtracer.h> |
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#include <glxpanic.h> |
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#include <glxthumbnail.h> |
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#include <imageconversion.h> |
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|
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#include "glxtnimagedecoderfactory.h" |
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|
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#include <ExifRead.h> |
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#include <IclExtJpegApi.h> |
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|
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// All EXIF data is within the first KGlxMaxExifSize bytes of the file |
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const TInt KGlxMaxExifSize = 0x10000; |
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// ----------------------------------------------------------------------------- |
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// Constructor |
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// ----------------------------------------------------------------------------- |
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// |
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CGlxtnImageUtility::CGlxtnImageUtility(RFs& aFs) : iFs(aFs) |
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{ |
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TRACER("CGlxtnImageUtility::CGlxtnImageUtility()"); |
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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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CGlxtnImageUtility::~CGlxtnImageUtility() |
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{ |
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TRACER("CGlxtnImageUtility::~CGlxtnImageUtility()"); |
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delete iDecoder; |
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delete iScaler; |
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delete iBitGc; |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// Cancel |
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// ----------------------------------------------------------------------------- |
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// |
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void CGlxtnImageUtility::Cancel() |
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{ |
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TRACER("void CGlxtnImageUtility::Cancel()"); |
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if ( iDecoder ) |
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{ |
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iDecoder->Cancel(); |
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} |
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if ( iScaler && iScaler->IsBusy()) |
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{ |
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iScaler->CancelProcess(); |
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} |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// AdjustSize |
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// ----------------------------------------------------------------------------- |
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// |
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void CGlxtnImageUtility::AdjustSize(TSize& aTargetSize, const TSize& aSourceSize) |
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{ |
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TRACER("void CGlxtnImageUtility::AdjustSize()"); |
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if( (aSourceSize.iWidth <= aTargetSize.iWidth ) && (aSourceSize.iHeight <= aTargetSize.iHeight )) |
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{ |
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aTargetSize.iWidth = aSourceSize.iWidth; |
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aTargetSize.iHeight = aSourceSize.iHeight; |
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} |
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else if ( aTargetSize.iHeight * aSourceSize.iWidth |
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< aTargetSize.iWidth * aSourceSize.iHeight ) |
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{ |
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// Source has taller aspect than target so reduce target width |
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aTargetSize.iWidth = ( ( aTargetSize.iHeight * aSourceSize.iWidth ) |
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/ ( aSourceSize.iHeight ) ); |
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} |
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else |
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{ |
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// Source has wider aspect than target so reduce target height |
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aTargetSize.iHeight = (aTargetSize.iWidth * aSourceSize.iHeight) |
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/ aSourceSize.iWidth; |
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} |
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104 |
} |
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105 |
|
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106 |
// ----------------------------------------------------------------------------- |
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107 |
// DecodeImageL |
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108 |
// ----------------------------------------------------------------------------- |
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109 |
// |
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110 |
CFbsBitmap* CGlxtnImageUtility::DecodeImageL(TRequestStatus& aStatus, |
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const TDesC& aFileName, RArray<TSize>& aTargetSizes, TDisplayMode aMode) |
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112 |
{ |
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TRACER("CFbsBitmap* CGlxtnImageUtility::DecodeImageL()"); |
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delete iDecoder; |
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iDecoder = NULL; |
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//Get Exif Metadata and the orientation tag from the file first |
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TUint16 orientation = GetOrientationL(aFileName); |
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TInt isExtDecoderUsed = 0; |
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iDecoder = GlxtnImageDecoderFactory::NewL( iFs, aFileName, isExtDecoderUsed ); |
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iOriginalSize = iDecoder->FrameInfo().iOverallSizeInPixels; |
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//Get the orientation and set rotation on the decoder |
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//as well as update the original size |
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if (isExtDecoderUsed) |
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124 |
{ |
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TInt rotAngle = 0; |
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TBool flip = EFalse; |
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GetRotationParameters(orientation,rotAngle,flip); |
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CExtJpegDecoder* extDecoder = (CExtJpegDecoder*)iDecoder; |
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extDecoder->SetRotationL(rotAngle); |
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if(flip) |
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131 |
{ |
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extDecoder->SetMirroringL(); |
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133 |
} |
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134 |
} |
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135 |
if ( 0 == iOriginalSize.iWidth || 0 == iOriginalSize.iHeight ) |
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136 |
{ |
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User::Leave(KErrCorrupt); |
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138 |
} |
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139 |
|
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TInt count = aTargetSizes.Count(); |
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141 |
TSize testSize; |
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142 |
TSize targetSize; |
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for ( TInt i = 0 ; i < count ; i++ ) |
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144 |
{ |
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testSize = aTargetSizes[i]; |
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AdjustSize(testSize, iOriginalSize); |
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if( ( testSize.iWidth > targetSize.iWidth ) || ( testSize.iHeight > targetSize.iHeight ) ) |
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148 |
{ |
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149 |
targetSize = testSize; |
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150 |
} |
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151 |
} |
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152 |
|
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// Find max scaling factor which won't make image smaller than target size |
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TInt shift = 3; |
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while ( shift |
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&& ((iOriginalSize.iWidth >> shift) < targetSize.iWidth |
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|| (iOriginalSize.iHeight >> shift) < targetSize.iHeight ) ) |
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158 |
{ |
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shift--; |
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160 |
} |
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TInt roundUp = (1 << shift) - 1; |
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TSize loadSize((iOriginalSize.iWidth + roundUp) >> shift, |
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163 |
(iOriginalSize.iHeight + roundUp) >> shift); |
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164 |
|
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165 |
CFbsBitmap* image = new (ELeave) CFbsBitmap; |
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166 |
CleanupStack::PushL(image); |
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167 |
User::LeaveIfError(image->Create(loadSize, aMode)); |
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168 |
|
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169 |
iDecoder->Convert(&aStatus, *image); |
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170 |
|
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171 |
CleanupStack::Pop(image); |
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172 |
return image; |
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173 |
} |
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174 |
|
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175 |
// ----------------------------------------------------------------------------- |
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176 |
// FreeDecoder |
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177 |
// ----------------------------------------------------------------------------- |
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178 |
// |
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179 |
void CGlxtnImageUtility::FreeDecoder() |
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180 |
{ |
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181 |
TRACER("void CGlxtnImageUtility::FreeDecoder()"); |
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182 |
delete iDecoder; |
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183 |
iDecoder = NULL; |
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184 |
} |
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185 |
|
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186 |
// ----------------------------------------------------------------------------- |
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187 |
// OriginalSize |
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188 |
// ----------------------------------------------------------------------------- |
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189 |
// |
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190 |
const TSize& CGlxtnImageUtility::OriginalSize() const |
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191 |
{ |
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192 |
TRACER("TSize& CGlxtnImageUtility::OriginalSize()"); |
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193 |
return iOriginalSize; |
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194 |
} |
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195 |
|
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196 |
//--------------------------------------------------------------------------- |
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197 |
/** |
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198 |
K-Nearest neighbour scaling for EColor64K. |
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199 |
Code originally inherited from t_display.cpp by Toni Hemminki. |
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200 |
Added windowing and further optimized by Jarmo Nikula 2006-2007. |
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201 |
|
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202 |
@param aSrc Source buffer pointer |
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203 |
@param aSrcStride Source buffer stride in bytes |
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@param aSrcCols Source columns |
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205 |
@param aSrcRows Source rows |
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206 |
@param aX Source window top-left X-coordinate |
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207 |
@param aY Source window top-left Y-coordinate |
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@param aW Source window width |
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@param aH Source window height |
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@param aDst Destination buffer pointer |
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@param aDstStride Destination buffer stride in bytes |
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@param aDstCols Destination columns, must be even |
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@param aDstRows Destination rows |
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*/ |
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// OPTION's for MMP file: |
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// Interleave assembly code with C, output can be found on txt-files on some BUILD directory: |
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// OPTION ARMCC --asm --interleave |
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// Modify optimization for ARM insturcion set and for maximum speed |
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// OPTION_REPLACE ARMCC --arm -Otime |
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|
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void CGlxtnImageUtility::FilterImageL(TRequestStatus* aStatus, CFbsBitmap* aSource, CFbsBitmap*& aFilteredSource, CFbsBitmap* aTarget) |
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{ |
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TRACER("void CGlxtnImageUtility::FilterImageL()"); |
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TSize sourceSize(aSource->SizeInPixels()); |
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TSize targetSize(aTarget->SizeInPixels()); |
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|
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//Fix for EKLG-7PTET2:mpxcollectionserver.exe crash in thumbnailcreator because of div by zero event |
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if (targetSize.iWidth <= 0) |
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{ |
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User::Leave(KErrDivideByZero); |
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} |
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|
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TInt scalePercent = ((100*sourceSize.iWidth)/targetSize.iWidth) - 100; |
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|
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// no need to filter if close enough or smaller |
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if ( scalePercent >= 2 && ( aTarget->DisplayMode() == EColor64K ) ) |
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{ |
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FilterL(aSource, aFilteredSource, scalePercent); |
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} |
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240 |
|
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*aStatus = KRequestPending; |
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User::RequestComplete(aStatus, KErrNone); |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// ScaleImageL |
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// ----------------------------------------------------------------------------- |
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// |
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void CGlxtnImageUtility::ScaleImageL(TRequestStatus& aStatus, CFbsBitmap& aSrcBitmap, |
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const TRect& aSrcRect, CFbsBitmap& aDstBitmap, |
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const TRect& aDstRect) |
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{ |
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TRACER("void CGlxtnImageUtility::ScaleImageL(IHL)"); |
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if (!iScaler) |
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{ |
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iScaler = IHLScaler::CreateL(); |
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} |
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User::LeaveIfError(iScaler->Scale(aStatus, aSrcBitmap, aSrcRect, aDstBitmap, aDstRect)); |
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} |
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|
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void CGlxtnImageUtility::ScaleImage64kL(TRequestStatus* aStatus, CFbsBitmap* aSource, CFbsBitmap* aFilteredSource, CFbsBitmap* aTarget) |
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{ |
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TRACER("void CGlxtnImageUtility::ScaleImage64kL()"); |
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TSize sourceSize(aSource->SizeInPixels()); |
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TSize targetSize(aTarget->SizeInPixels()); |
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TInt scalePercent = ((100*sourceSize.iWidth)/targetSize.iWidth) - 100; |
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TRect targetRect(targetSize); |
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TRect sourceRect(sourceSize); |
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|
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CFbsBitmap* sourceImage = aFilteredSource; |
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if ( !aFilteredSource ) |
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{ |
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sourceImage = aSource; |
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} |
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if ( scalePercent < 2 ) |
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{ |
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if ( scalePercent > 0 ) |
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{ |
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sourceRect = targetRect; |
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} |
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sourceImage = aSource; |
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} |
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sourceImage->LockHeap(); |
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TUint16* sourceAddress = (TUint16*)sourceImage->DataAddress(); |
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sourceImage->UnlockHeap(); |
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aTarget->LockHeap(); |
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TUint16* targetAddress = (TUint16*)aTarget->DataAddress(); |
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aTarget->UnlockHeap(); |
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ScaleColor64K(sourceAddress, sourceImage->DataStride(), |
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sourceImage->SizeInPixels().iWidth, |
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sourceImage->SizeInPixels().iHeight, 0, 0, |
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sourceImage->SizeInPixels().iWidth, |
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sourceImage->SizeInPixels().iHeight, targetAddress, |
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aTarget->DataStride(), targetSize.iWidth, targetSize.iHeight); |
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|
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*aStatus = KRequestPending; |
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User::RequestComplete(aStatus, KErrNone); |
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} |
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|
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void CGlxtnImageUtility::ScaleColor64K( TUint16* aSrc, TInt aSrcStride, TInt /*aSrcCols*/, TInt /*aSrcRows*/, |
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TInt aX, TInt aY, TInt aW, TInt aH, |
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TUint16* aDst, TInt aDstStride, TInt aDstCols, TInt aDstRows ) |
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{ |
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TRACER("void CGlxtnImageUtility::ScaleColor64K()"); |
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const TUint KPrecision = 16; |
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TUint hInc = ( aW<< KPrecision ) / aDstCols; |
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TUint vInc = ( aH << KPrecision ) / aDstRows; |
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TUint v = 0; |
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309 |
for ( TUint row = aDstRows; row > 0; --row ) |
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310 |
{ |
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TInt h = hInc * (aDstCols - 1); |
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312 |
TUint linestart = aSrcStride * ( aY + ( v >> KPrecision ) ) / sizeof(TUint16) + aX; |
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TUint16* src = &aSrc[ linestart ]; |
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TUint32* dst = (TUint32*)aDst + aDstCols / 2; |
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315 |
TUint32 pxl2x; |
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// This loop generates 11 assembly instructions per round |
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// when using "--arm --Otime" options. Since two pixels are handled per round, |
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// it means 5.5 instructions per pixel on average. |
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319 |
do { |
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pxl2x = src[ h >> KPrecision ]<<16; |
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h -= hInc; |
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pxl2x |= src[ h >> KPrecision ]; |
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323 |
*--dst = pxl2x; |
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324 |
// Compiler eliminates CMP instruction when substraction |
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// is done inside the while () statement. |
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} while ( ( h -= hInc ) >= 0 ); |
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v += vInc; |
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aDst += aDstStride / sizeof(TUint16); |
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329 |
} |
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330 |
} |
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331 |
|
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332 |
void CGlxtnImageUtility::FilterL( CFbsBitmap* aSource, CFbsBitmap*& aFilteredSource, TInt aFilterPercent ) |
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333 |
{ |
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TRACER("void CGlxtnImageUtility::FilterL()"); |
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if ( !aFilteredSource ) |
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336 |
{ |
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TSize imageSize = aSource->SizeInPixels(); |
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aFilteredSource = new (ELeave) CFbsBitmap; |
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aFilteredSource->Create(imageSize, aSource->DisplayMode()); |
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340 |
|
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341 |
CFbsBitmapDevice *bitmapDevice = CFbsBitmapDevice::NewL(aFilteredSource); |
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342 |
if ( !iBitGc ) |
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343 |
{ |
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iBitGc = CFbsBitGc::NewL(); |
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345 |
} |
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iBitGc->Activate(bitmapDevice); |
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iBitGc->BitBlt(TPoint(), aSource, imageSize); |
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348 |
delete bitmapDevice; |
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349 |
} |
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350 |
|
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351 |
TSize imageSize = aFilteredSource->SizeInPixels(); |
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352 |
aFilteredSource->LockHeap(); |
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TUint16* sourceAddress = (TUint16*)aFilteredSource->DataAddress(); |
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aFilteredSource->UnlockHeap(); |
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const TInt KGlxScalingNeeds4Filtering = 80; // if scaling more than 1.8 need to filter by 4 |
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const TInt KGlxScalingNeeds8Filtering = 260; // if scaling more than 3.6 need to filter by 8 |
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if ( KGlxScalingNeeds8Filtering < aFilterPercent ) |
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358 |
{ |
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359 |
FIRFiltering8( |
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sourceAddress, aFilteredSource->DataStride() / sizeof(TUint16), |
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361 |
imageSize.iWidth, imageSize.iHeight ); |
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362 |
} |
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363 |
else if ( KGlxScalingNeeds4Filtering < aFilterPercent ) |
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|
364 |
{ |
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365 |
FIRFiltering4( |
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366 |
sourceAddress, aFilteredSource->DataStride() / sizeof(TUint16), |
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|
367 |
imageSize.iWidth, imageSize.iHeight ); |
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|
368 |
} |
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369 |
else |
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|
370 |
{ |
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|
371 |
FIRFiltering( |
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|
372 |
sourceAddress, aFilteredSource->DataStride() / sizeof(TUint16), |
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|
373 |
imageSize.iWidth, imageSize.iHeight ); |
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|
374 |
} |
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|
375 |
} |
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|
376 |
|
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Revision: 200949
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|
377 |
#define rmask565 0xf800 |
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|
378 |
#define gmask565 0x07e0 |
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|
379 |
#define bmask565 0x001f |
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#define rbmask565 (rmask565|bmask565) |
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381 |
#define rm565( rgb ) ((rgb) & rmask565) |
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382 |
#define gm565( rgb ) ((rgb) & gmask565) |
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383 |
#define bm565( rgb ) ((rgb) & bmask565) |
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|
384 |
#define rbm565( rgb ) ((rgb) & rbmask565) |
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385 |
#define r565( rgb ) ((rgb)>>11) |
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386 |
#define g565( rgb ) (gm565(rgb)>>5) |
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387 |
#define b565( rgb ) (bm565(rgb)) |
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|
388 |
#define rgb565( r, g, b ) (((r)<<11)|((g)<<5)|(b)) |
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|
389 |
|
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Revision: 200949
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|
390 |
#define mask32gbr655 0x07e0f81f |
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Revision: 200949
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|
391 |
|
13
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Revision: 201011
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0
diff
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|
392 |
// Keep below three defs in sync with each other |
0
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Revision: 200949
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|
393 |
#define KFIRLen 2 |
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Revision: 200949
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|
394 |
#define KFIRCen (KFIRLen / 2) |
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Revision: 200949
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|
395 |
#define incFIRIndex( i ) i = (i + 1) & (KFIRLen - 1) |
13
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|
396 |
// Keep above three defs in sync with each other |
0
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|
397 |
|
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Revision: 200949
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|
398 |
void CGlxtnImageUtility::FIRFiltering( |
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Revision: 200949
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|
399 |
TUint16* aDst, TUint aDstStridep, TUint aDstCols, TUint aDstRows ) |
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|
400 |
{ |
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Revision: 200949
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|
401 |
TRACER("void CGlxtnImageUtility::FIRFiltering( )"); |
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Revision: 200949
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|
402 |
TUint firFifo[ KFIRLen ]; |
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Revision: 200949
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|
403 |
TUint i; // index for fifo in&out |
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Revision: 200949
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|
404 |
TUint16 *p; |
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Revision: 200949
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|
405 |
TUint32 px; |
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Revision: 200949
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|
406 |
TInt row, col; |
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Revision: 200949
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diff
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|
407 |
TUint FIRsum; |
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Revision: 200949
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diff
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|
408 |
// Horizontal scan. |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
409 |
p = aDst; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
410 |
for ( row = aDstRows - 1; row >= 0; row-- ) |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
411 |
{ |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
412 |
// Fill in the FIR first. |
13
bcb43dc84c44
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
413 |
// TODO: Fill in with extrapolated values at edges |
0
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
414 |
FIRsum = ((KFIRLen / 2)<<21) | ((KFIRLen / 2)<<11) | (KFIRLen / 2); // for correct rounding |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
415 |
i = 0; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
416 |
TUint32 mask1 = mask32gbr655; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
417 |
for ( col = 0; col < KFIRLen; col++ ) |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
418 |
{ |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
419 |
px = p[ col ]; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
420 |
px = ((px<<16) | px) & mask1; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
421 |
firFifo[ i ] = px; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
422 |
FIRsum += px; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
423 |
incFIRIndex( i ); |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
424 |
} |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
425 |
TUint32 ave; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
426 |
for ( ; col < aDstCols; col++ ) |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
427 |
{ |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
428 |
ave = ( FIRsum / KFIRLen ) & mask1; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
429 |
p[ col - KFIRCen ] = TUint16( ave | (ave>>16) ); |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
430 |
FIRsum -= firFifo[ i ]; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
431 |
px = p[ col ]; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
432 |
px = ((px<<16) | px) & mask1; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
433 |
firFifo[ i ] = px; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
434 |
FIRsum += px; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
435 |
incFIRIndex( i ); |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
436 |
} |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
437 |
p += aDstStridep; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
438 |
} |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
439 |
// Vertical scan. |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
440 |
for ( col = aDstCols - 1; col >= 0; col-- ) |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
441 |
{ |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
442 |
// Fill in the FIR first. |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
443 |
FIRsum = ((KFIRLen / 2)<<21) | ((KFIRLen / 2)<<11) | (KFIRLen / 2); // for correct rounding |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
444 |
TUint32 mask1 = mask32gbr655; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
445 |
i = 0; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
446 |
p = aDst + col; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
447 |
for ( row = 0; row < KFIRLen; row++ ) |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
448 |
{ |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
449 |
px = *p; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
450 |
px = ((px<<16) | px) & mask1; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
451 |
firFifo[ i ] = px; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
452 |
FIRsum += px; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
453 |
incFIRIndex( i ); |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
454 |
p += aDstStridep; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
455 |
} |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
456 |
TUint32 ave; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
457 |
p -= aDstStridep * KFIRCen; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
458 |
for ( ; row < aDstRows; row++ ) |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
459 |
{ |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
460 |
ave = ( FIRsum / KFIRLen ) & mask1; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
461 |
p[0] = TUint16( ave | (ave>>16) ); |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
462 |
FIRsum -= firFifo[ i ]; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
463 |
px = p[ aDstStridep * KFIRCen ]; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
464 |
px = ((px<<16) | px) & mask1; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
465 |
firFifo[ i ] = px; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
466 |
FIRsum += px; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
467 |
incFIRIndex( i ); |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
468 |
p += aDstStridep; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
469 |
} |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
470 |
} |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
471 |
} |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
472 |
// |
13
bcb43dc84c44
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
473 |
// NOTE: Keep below three defs in sync with each other |
0
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
474 |
#define KFIRLen4 4 |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
475 |
#define KFIRCen4 (KFIRLen4 / 2) |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
476 |
#define incFIRIndex4( i ) i = (i + 1) & (KFIRLen4 - 1) |
13
bcb43dc84c44
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
477 |
// NOTE: Keep above three defs in sync with each other |
0
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
478 |
|
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
479 |
void CGlxtnImageUtility::FIRFiltering4( |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
480 |
TUint16* aDst, TUint aDstStridep, TUint aDstCols, TUint aDstRows ) |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
481 |
{ |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
482 |
TRACER("void CGlxtnImageUtility::FIRFiltering4()"); |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
483 |
TUint firFifo[ KFIRLen4 ]; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
484 |
TUint i; // index for fifo in&out |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
485 |
TUint16 *p; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
486 |
TUint32 px; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
487 |
TInt row, col; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
488 |
TUint FIRsum; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
489 |
// Horizontal scan. |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
490 |
p = aDst; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
491 |
for ( row = aDstRows - 1; row >= 0; row-- ) |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
492 |
{ |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
493 |
// Fill in the FIR first. |
13
bcb43dc84c44
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
494 |
// TODO: Fill in with extrapolated values at edges |
0
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
495 |
FIRsum = ((KFIRLen4 / 2)<<21) | ((KFIRLen4 / 2)<<11) | (KFIRLen4 / 2); // for correct rounding |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
496 |
i = 0; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
497 |
TUint32 mask1 = mask32gbr655; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
498 |
for ( col = 0; col < KFIRLen4; col++ ) |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
499 |
{ |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
500 |
px = p[ col ]; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
501 |
px = ((px<<16) | px) & mask1; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
502 |
firFifo[ i ] = px; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
503 |
FIRsum += px; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
504 |
incFIRIndex4( i ); |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
505 |
} |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
506 |
TUint32 ave; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
507 |
for ( ; col < aDstCols; col++ ) |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
508 |
{ |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
509 |
ave = ( FIRsum / KFIRLen4 ) & mask1; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
510 |
p[ col - KFIRCen4 ] = TUint16( ave | (ave>>16) ); |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
511 |
FIRsum -= firFifo[ i ]; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
512 |
px = p[ col ]; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
513 |
px = ((px<<16) | px) & mask1; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
514 |
firFifo[ i ] = px; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
515 |
FIRsum += px; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
516 |
incFIRIndex4( i ); |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
517 |
} |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
518 |
p += aDstStridep; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
519 |
} |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
520 |
// Vertical scan. |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
521 |
for ( col = aDstCols - 1; col >= 0; col-- ) |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
522 |
{ |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
523 |
// Fill in the FIR first. |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
524 |
FIRsum = ((KFIRLen4 / 2)<<21) | ((KFIRLen4 / 2)<<11) | (KFIRLen4 / 2); // for correct rounding |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
525 |
TUint32 mask1 = mask32gbr655; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
526 |
i = 0; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
527 |
p = aDst + col; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
528 |
for ( row = 0; row < KFIRLen4; row++ ) |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
529 |
{ |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
530 |
px = *p; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
531 |
px = ((px<<16) | px) & mask1; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
532 |
firFifo[ i ] = px; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
533 |
FIRsum += px; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
534 |
incFIRIndex4( i ); |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
535 |
p += aDstStridep; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
536 |
} |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
537 |
TUint32 ave; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
538 |
p -= aDstStridep * KFIRCen4; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
539 |
for ( ; row < aDstRows; row++ ) |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
540 |
{ |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
541 |
ave = ( FIRsum / KFIRLen4 ) & mask1; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
542 |
p[0] = TUint16( ave | (ave>>16) ); |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
543 |
FIRsum -= firFifo[ i ]; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
544 |
px = p[ aDstStridep * KFIRCen4 ]; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
545 |
px = ((px<<16) | px) & mask1; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
546 |
firFifo[ i ] = px; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
547 |
FIRsum += px; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
548 |
incFIRIndex4( i ); |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
549 |
p += aDstStridep; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
550 |
} |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
551 |
} |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
552 |
} |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
553 |
|
13
bcb43dc84c44
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
554 |
// Keep below three defs in sync with each other |
0
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
555 |
#define KFIRLen8 8 |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
556 |
#define KFIRCen8 (KFIRLen8 / 2) |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
557 |
#define incFIRIndex8( i ) i = (i + 1) & (KFIRLen8 - 1) |
13
bcb43dc84c44
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
558 |
// Keep above three defs in sync with each other |
0
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
559 |
|
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
560 |
void CGlxtnImageUtility::FIRFiltering8( |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
561 |
TUint16* aDst, TUint aDstStridep, TUint aDstCols, TUint aDstRows ) |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
562 |
{ |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
563 |
TRACER("void CGlxtnImageUtility::FIRFiltering8()"); |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
564 |
TUint firFifo[ KFIRLen8 ]; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
565 |
TUint i; // index for fifo in&out |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
566 |
TUint16 *p; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
567 |
TUint32 px; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
568 |
TInt row, col; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
569 |
TUint FIRsum; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
570 |
// Horizontal scan. |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
571 |
p = aDst; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
572 |
for ( row = aDstRows - 1; row >= 0; row-- ) |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
573 |
{ |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
574 |
// Fill in the FIR first. |
13
bcb43dc84c44
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
575 |
// TODO: Fill in with extrapolated values at edges |
0
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
576 |
FIRsum = ((KFIRLen8 / 2)<<21) | ((KFIRLen8 / 2)<<11) | (KFIRLen8 / 2); // for correct rounding |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
577 |
i = 0; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
578 |
TUint32 mask1 = mask32gbr655; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
579 |
for ( col = 0; col < KFIRLen8; col++ ) |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
580 |
{ |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
581 |
px = p[ col ]; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
582 |
px = ((px<<16) | px) & mask1; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
583 |
firFifo[ i ] = px; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
584 |
FIRsum += px; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
585 |
incFIRIndex8( i ); |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
586 |
} |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
587 |
TUint32 ave; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
588 |
for ( ; col < aDstCols; col++ ) |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
589 |
{ |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
590 |
ave = ( FIRsum / KFIRLen8 ) & mask1; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
591 |
p[ col - KFIRCen8 ] = TUint16( ave | (ave>>16) ); |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
592 |
FIRsum -= firFifo[ i ]; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
593 |
px = p[ col ]; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
594 |
px = ((px<<16) | px) & mask1; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
595 |
firFifo[ i ] = px; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
596 |
FIRsum += px; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
597 |
incFIRIndex8( i ); |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
598 |
} |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
599 |
p += aDstStridep; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
600 |
} |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
601 |
// Vertical scan. |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
602 |
for ( col = aDstCols - 1; col >= 0; col-- ) |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
603 |
{ |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
604 |
// Fill in the FIR first. |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
605 |
FIRsum = ((KFIRLen8 / 2)<<21) | ((KFIRLen8 / 2)<<11) | (KFIRLen8 / 2); // for correct rounding |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
606 |
TUint32 mask1 = mask32gbr655; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
607 |
i = 0; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
608 |
p = aDst + col; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
609 |
for ( row = 0; row < KFIRLen8; row++ ) |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
610 |
{ |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
611 |
px = *p; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
612 |
px = ((px<<16) | px) & mask1; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
613 |
firFifo[ i ] = px; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
614 |
FIRsum += px; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
615 |
incFIRIndex8( i ); |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
616 |
p += aDstStridep; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
617 |
} |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
618 |
TUint32 ave; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
619 |
p -= aDstStridep * KFIRCen8; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
620 |
for ( ; row < aDstRows; row++ ) |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
621 |
{ |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
622 |
ave = ( FIRsum / KFIRLen8 ) & mask1; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
623 |
p[0] = TUint16( ave | (ave>>16) ); |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
624 |
FIRsum -= firFifo[ i ]; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
625 |
px = p[ aDstStridep * KFIRCen8 ]; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
626 |
px = ((px<<16) | px) & mask1; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
627 |
firFifo[ i ] = px; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
628 |
FIRsum += px; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
629 |
incFIRIndex8( i ); |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
630 |
p += aDstStridep; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
631 |
} |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
632 |
} |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
633 |
} |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
634 |
// ----------------------------------------------------------------------------- |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
635 |
// GetOrientation |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
636 |
// ----------------------------------------------------------------------------- |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
637 |
// |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
638 |
TUint16 CGlxtnImageUtility::GetOrientationL(const TDesC& aFileName) |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
639 |
{ |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
640 |
//Get Exif Metadata and the orientation tag from the file first |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
641 |
RFile file; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
642 |
CleanupClosePushL(file); |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
643 |
User::LeaveIfError(file.Open(iFs, |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
644 |
aFileName, EFileRead)); |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
645 |
TInt size; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
646 |
User::LeaveIfError(file.Size(size)); |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
647 |
if ( KGlxMaxExifSize < size ) |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
648 |
{ |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
649 |
size = KGlxMaxExifSize; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
650 |
} |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
651 |
TUint16 orientation = 9; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
652 |
HBufC8* exifData = HBufC8::NewLC(size); |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
653 |
TPtr8 ptr(exifData->Des()); |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
654 |
User::LeaveIfError(file.Read(ptr)); |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
655 |
CExifRead* exifReader = NULL; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
656 |
TRAPD(exifErr,exifReader = CExifRead::NewL(*exifData, CExifRead::ENoJpeg)); |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
657 |
if(exifErr == KErrNone) |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
658 |
{ |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
659 |
CleanupStack::PushL(exifReader); |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
660 |
|
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
661 |
TInt readErr = exifReader->GetOrientation(orientation); |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
662 |
if(readErr != KErrNone) |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
663 |
{ |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
664 |
orientation = 9; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
665 |
} |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
666 |
CleanupStack::PopAndDestroy(exifReader); |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
667 |
} |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
668 |
CleanupStack::PopAndDestroy(exifData); |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
669 |
//Close and pop file Session |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
670 |
CleanupStack::PopAndDestroy(&file); |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
671 |
return orientation; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
672 |
} |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
673 |
|
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
674 |
// ----------------------------------------------------------------------------- |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
675 |
// GetRotationParameters |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
676 |
// ----------------------------------------------------------------------------- |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
677 |
// |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
678 |
void CGlxtnImageUtility::GetRotationParameters(TUint16 aOrientation, |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
679 |
TInt& aRotAngle, TBool& aFlipStatus) |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
680 |
{ |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
681 |
//Get the orientation and set rotation on the decoder |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
682 |
//as well as update the original size |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
683 |
aRotAngle = 0; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
684 |
aFlipStatus = EFalse; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
685 |
TInt isOrientationOdd = aOrientation%2; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
686 |
if(aOrientation>8) |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
687 |
{ |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
688 |
return; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
689 |
} |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
690 |
if(aOrientation >= 3 && aOrientation < 5) |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
691 |
{ |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
692 |
aRotAngle = 180; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
693 |
} |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
694 |
else if(aOrientation >= 5 && aOrientation < 7) |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
695 |
{ |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
696 |
aRotAngle = 90; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
697 |
|
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
698 |
} |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
699 |
else if(aOrientation >= 7 && aOrientation <= 8) |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
700 |
{ |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
701 |
aRotAngle = 270; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
702 |
} |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
703 |
if(aOrientation>4 ) |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
704 |
{ |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
705 |
iOriginalSize.SetSize(iOriginalSize.iHeight,iOriginalSize.iWidth); //Switch Height and width |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
706 |
if(isOrientationOdd ) |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
707 |
{ |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
708 |
aFlipStatus = ETrue; |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
709 |
} |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
710 |
} |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
711 |
} |