diff -r 57d4cdd99204 -r edfc90759b9f imageeditor/plugins/BrightnessPlugin/src/ImageEditorBrightnessPlugin.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/imageeditor/plugins/BrightnessPlugin/src/ImageEditorBrightnessPlugin.cpp Fri Jan 29 13:53:17 2010 +0200 @@ -0,0 +1,195 @@ +/* +* 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: +* Brightness plugin plugin base class. +* +*/ + + +/// INCLUDES +#include "ImageEditorBrightnessPlugin.h" +#include "SingleParamControl.h" +#include + +/// CONSTANTS +_LIT (KPgnResourceFile, "brightness.rsc"); + +const long KParamMin = -100; +const long KParamMax = 100; +const long KParamStep = 10; +const long KParamDef = 0; +const TInt KBrightnessHSTitleIndex = 0; + +// brightness tag +_LIT (KBrightnessTag, "brightness "); +_LIT (KResourceDir, "\\resource\\apps\\"); + +//============================================================================= +EXPORT_C CImageEditorPluginBase * CreateImageEditorPlugin () +{ + CImageEditorBrightnessPlugin * plugin = new (ELeave) CImageEditorBrightnessPlugin; + CleanupStack::PushL(plugin); + plugin->ConstructL(); + CleanupStack::Pop(); // plugin + return plugin; +} + +//============================================================================= +CImageEditorBrightnessPlugin::CImageEditorBrightnessPlugin () : +CImageEditorPluginBase() +{ + +} + +//============================================================================= +void CImageEditorBrightnessPlugin::ConstructL () +{ + CImageEditorPluginBase::ConstructL (KPgnResourcePath, KPgnResourceFile); +} + +//============================================================================= +CImageEditorBrightnessPlugin::~CImageEditorBrightnessPlugin () +{ + ReleasePlugin(); +} + +//============================================================================= +TInt CImageEditorBrightnessPlugin::SetProperty ( + TInt /*aPropertyId*/, + TDesC & /*aPropertyValue*/ + ) +{ + return KErrNotSupported; +} + +//============================================================================= +TInt CImageEditorBrightnessPlugin::GetProperty ( + TInt aPropertyId, + TDes & aPropertyValue + ) +{ + // Clean buffer + aPropertyValue.Zero(); + + // Copy data + switch (aPropertyId) + { + case KCapParamStruct: + { + aPropertyValue.Copy (KBrightnessTag); + aPropertyValue.AppendNum (iBrightness); + return KErrNone; + } + default: + { + return CImageEditorPluginBase::GetProperty (aPropertyId, aPropertyValue); + } + } +} + +//============================================================================= +TInt CImageEditorBrightnessPlugin::InitPluginL ( + const TRect & aRect, + CCoeControl * aParent, + CCoeControl *& aPluginControl + ) +{ + ReleasePlugin(); + iControl = CSingleParamControl::NewL (aRect, aParent); + ((CSingleParamControl *)iControl)->SetParObserver ( (MSingleParControlObserver*)this ); + aPluginControl = iControl; + + // initialize vertical slider + ((CSingleParamControl *)iControl)->SetSliderMinimumAndMaximum(KParamMin, KParamMax); + ((CSingleParamControl *)iControl)->SetSliderStep(KParamStep); + ((CSingleParamControl *)iControl)->SetSliderPosition(KParamDef); + TFileName iconFile (KResourceDir); + TBuf<256> readbuf; + User::LeaveIfError ( GetProperty (KCapIconName, readbuf) ); + iconFile.Append(readbuf); + CEikImage* icon = new (ELeave) CEikImage; + icon->CreatePictureFromFileL(iconFile, + EMbmBrightnessQgn_indi_imed_bright_super, + EMbmBrightnessQgn_indi_imed_bright_super_mask); + ((CSingleParamControl *)iControl)->SetIcon(icon); + + // Get caption from plugin properties + User::LeaveIfError ( GetProperty (KCapPluginParamNames, readbuf) ); + TLex parser; + parser.Assign (readbuf); + TInt tempval = 0; + parser.Val ( tempval ); + CDesCArray * parameters = (CDesCArray *)tempval; + ((CSingleParamControl *)iControl)->SetCaption( (*parameters)[KBrightnessHSTitleIndex] ); + + return KErrNone; +} + +//============================================================================= +void CImageEditorBrightnessPlugin::ProcessImageL (CEditorImage * /*aImage*/ ) +{ + // Own image processing functionality here +} + +//============================================================================= +void CImageEditorBrightnessPlugin::ReleasePlugin () +{ + delete iControl; + iControl = 0; +} + +//============================================================================= +void CImageEditorBrightnessPlugin::ParamOperation (const TParamOperation aOperation) +{ + switch (aOperation) + { + case EParamOperationSubtract: + { + + iBrightness -= KParamStep; + if ( iBrightness < KParamMin ) + { + iBrightness = KParamMin; + } + break; + } + case EParamOperationAdd: + { + iBrightness += KParamStep; + if ( iBrightness > KParamMax ) + { + iBrightness = KParamMax; + } + break; + } + case EParamOperationDefault: + { + iBrightness = KParamDef; + break; + } + default: + { + break; + } + } +} + +//============================================================================= +TReal CImageEditorBrightnessPlugin::GetParam () const +{ + return (TReal)( (TReal)iBrightness / (KParamMax - KParamMin) ); +} + +// End of File