ImageProcessor::TEffectLevels Class Reference

#include <imageprocessor/imageprocessoreffect.h>

Link against: imageprocessor.lib

class ImageProcessor::TEffectLevels : public ImageProcessor::TEffect

Inherits from

Public Member Functions
IMPORT_C TReal32	BlackLevelL()
IMPORT_C TReal32	GrayLevelL()
IMPORT_C void	SetWGBLevelL(TReal32, TReal32, TReal32)
IMPORT_C TReal32	WhiteLevelL()

Inherited Attributes
	ImageProcessor::TEffect::iImageProcessorImpl
	ImageProcessor::TEffect::iIsActive
	ImageProcessor::TEffect::iPluginEffect
	ImageProcessor::TEffect::iReserved
	ImageProcessor::TEffect::iUid

Inherited Enumerations
	ImageProcessor::TEffect:TEffectInputType

Inherited Functions
	ImageProcessor::TEffect::BeginL()
	ImageProcessor::TEffect::EndL()
	ImageProcessor::TEffect::Extension(TUid)
	ImageProcessor::TEffect::InputType()const
	ImageProcessor::TEffect::IsActive()const
	ImageProcessor::TEffect::LevelL(TInt &)const
	ImageProcessor::TEffect::LevelL(TReal32 &)const
	ImageProcessor::TEffect::LevelSettings(TInt &,TInt &,TInt &)const
	ImageProcessor::TEffect::LevelSettings(TReal32 &,TReal32 &,TReal32 &)const
	ImageProcessor::TEffect::PluginEffect()const
	ImageProcessor::TEffect::ResetL()
	ImageProcessor::TEffect::SetLevelL(TInt)
	ImageProcessor::TEffect::SetLevelL(TReal32)
	ImageProcessor::TEffect::TEffect(const TUid &,Plugin::MEffect &,CImageProcessorImpl &)
	ImageProcessor::TEffect::Type()const

The class provides functions to apply white, gray and black level adjustment to an image.

IMPORT_C TReal32

BlackLevelL

(

)

const

Gets the current dark saturating value.

IMPORT_C TReal32

GrayLevelL

(

)

const

Gets the current middle gray value.

Specifies the white/gray/black level.

Parameters
aWhiteLevel	The position of the bright saturating point. Range (0.0) - (1.0).
aGrayLevel	The relative position of the middle gray point. Range (0.0) - (1.0).
aBlackLevel	The position of the dark saturating point. Range (0.0) - (1.0).

Leave Codes
KErrNotReady	The effect is not active.
KErrArgument	The aWhiteLevel or aGrayLevel or aBlackLevel mode is not in the acceptable range.

IMPORT_C TReal32

WhiteLevelL

(

)

const

Gets the current bright saturating value.