--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/imageeditorengine/filters/FilterBrightness/src/CFilterBrightness.cpp Fri Jan 29 13:53:17 2010 +0200
@@ -0,0 +1,191 @@
+/*
+* Copyright (c) 2010 Ixonos Plc.
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - Initial contribution
+*
+* Contributors:
+* Ixonos Plc
+*
+* Description:
+*
+*/
+
+
+#include <e32math.h>
+#include "CFilterBrightness.h"
+
+const TInt KBrightnessScale = 80;
+
+EXPORT_C TInt CFilterBrightness::Create()
+ {
+ CFilterBrightness* ptr = NULL;
+ TRAPD( error, ptr = NewL(); );
+ if( error != KErrNone )
+ {
+ ptr = NULL;
+ }
+ return (TInt)((MImageFilter*)ptr);
+ }
+
+
+
+CFilterBrightness* CFilterBrightness::NewL()
+ {
+ CFilterBrightness* self = new( ELeave )CFilterBrightness();
+ CleanupStack::PushL( self );
+ self->ConstructL();
+ CleanupStack::Pop( self );
+ return self;
+ }
+
+
+
+CFilterBrightness::~CFilterBrightness()
+ {
+ }
+
+
+
+CFilterBrightness::CFilterBrightness()
+ {
+
+ }
+
+
+
+void CFilterBrightness::ConstructL()
+ {
+
+ }
+
+
+
+TRect CFilterBrightness::Rect()
+ {
+ return iChild->Rect();
+ }
+
+TReal CFilterBrightness::Scale()
+ {
+ return iChild->Scale();
+ }
+
+TSize CFilterBrightness::ViewPortSize()
+{
+ return iChild->ViewPortSize();
+}
+
+TBlock * CFilterBrightness::GetBlockL ( const TRect & aRect )
+{
+ TBlock * pB = iChild->GetBlockL (aRect);
+ if (!pB) return NULL;
+ TUint32 * pD = pB->iData;
+ for (TInt i = 0; i < pB->iDataLength; ++i)
+ {
+ TUint32 c = *pD;
+
+ TInt r = c & 0xFF0000;
+ r += iAdjR;
+ if (r > 0xFF0000)
+ {
+ r = 0xFF0000;
+ }
+ else if (r < 0)
+ {
+ r = 0;
+ }
+
+ TInt g = c & 0xFF00;
+ g += iAdjG;
+ if (g > 0xFF00)
+ {
+ g = 0xFF00;
+ }
+ else if (g < 0)
+ {
+ g = 0;
+ }
+
+ TInt b = c & 0xFF;
+ b += iAdjB;
+ if (b > 0xFF)
+ {
+ b = 0xFF;
+ }
+ if (b < 0)
+ {
+ b = 0;
+ }
+ *pD++ = 0 | r | g | b;
+ }
+ return pB;
+}
+
+
+
+void CFilterBrightness::SetParent( MImageFilter* aParent )
+ {
+ iParent = aParent;
+ }
+
+
+
+
+void CFilterBrightness::SetChild( MImageFilter* aChild )
+ {
+ iChild = aChild;
+ }
+
+
+
+TInt CFilterBrightness::CmdL( const TDesC16& aCmd )
+{
+
+ TLex lex (aCmd);
+
+ // Get brightness parameter [-100,100]
+ while ( ! lex.Eos() )
+ {
+ TPtrC token = lex.NextToken();
+
+ if ( token.Compare( _L("brightness") ) == 0)
+ {
+ TInt bpar = 0;
+ lex.Inc();
+ lex.Val (bpar);
+ if (bpar < - 100)
+ {
+ bpar = -100;
+ }
+ else if (bpar > 100)
+ {
+ bpar = 100;
+ }
+
+ iBrightness = ((bpar * KBrightnessScale) / 100);
+ iAdjR = iBrightness << 16;
+ iAdjG = iBrightness << 8;
+ iAdjB = iBrightness;
+ }
+ }
+ return 0;
+}
+
+const char* CFilterBrightness::Type()
+ {
+ return "brightness";
+ }
+
+#if !defined(EKA2)
+GLDEF_C TInt E32Dll( TDllReason )
+ {
+ return KErrNone;
+ }
+
+#endif