KoCompositeOpCopyChannel< Traits, channel_pos > Class Template Reference

#include <KoCompositeOpCopyChannel.h>

Inheritance diagram for KoCompositeOpCopyChannel< Traits, channel_pos >:

Public Member Functions
	KoCompositeOpCopyChannel (const KoColorSpace *cs, const QString &id, const QString &category)
Public Member Functions inherited from KoCompositeOpBase< Traits, KoCompositeOpCopyChannel< Traits, channel_pos > >
void	composite (const KoCompositeOp::ParameterInfo &params) const override
virtual void	composite (const ParameterInfo &params) const
void	composite (quint8 *dstRowStart, qint32 dstRowStride, const quint8 *srcRowStart, qint32 srcRowStride, const quint8 *maskRowStart, qint32 maskRowStride, qint32 rows, qint32 numColumns, float opacity, const QBitArray &channelFlags=QBitArray()) const
	KoCompositeOpBase (const KoColorSpace *cs, const QString &id, const QString &category)
Public Member Functions inherited from KoCompositeOp
QString	category () const
const KoColorSpace *	colorSpace () const
void	composite (quint8 *dstRowStart, qint32 dstRowStride, const quint8 *srcRowStart, qint32 srcRowStride, const quint8 *maskRowStart, qint32 maskRowStride, qint32 rows, qint32 numColumns, float opacity, const QBitArray &channelFlags=QBitArray()) const
QString	description () const
QString	id () const
	KoCompositeOp (const KoColorSpace *cs, const QString &id, const QString &category=KoCompositeOp::categoryMisc())
virtual	~KoCompositeOp ()
Public Member Functions inherited from Private
	Private (KisCanvas2 *c)

Static Public Member Functions
template<bool alphaLocked, bool allChannelFlags>
static channels_type	composeColorChannels (const channels_type *src, channels_type srcAlpha, channels_type *dst, channels_type dstAlpha, channels_type maskAlpha, channels_type opacity, const QBitArray &channelFlags)
Static Public Member Functions inherited from KoCompositeOp
static QString	categoryArithmetic ()
static QString	categoryBinary ()
static QString	categoryDark ()
static QString	categoryHSI ()
static QString	categoryHSL ()
static QString	categoryHSV ()
static QString	categoryHSY ()
static QString	categoryLight ()
static QString	categoryMisc ()
static QString	categoryMix ()
static QString	categoryModulo ()
static QString	categoryNegative ()
static QString	categoryQuadratic ()

Private Types
typedef KoCompositeOpBase< Traits, KoCompositeOpCopyChannel< Traits, channel_pos > >	base_class
typedef Traits::channels_type	channels_type
typedef KoColorSpaceMathsTraits< channels_type >::compositetype	composite_type

Static Private Attributes
static const qint32	alpha_pos = Traits::alpha_pos

Additional Inherited Members
Public Attributes inherited from KoCompositeOp
QString	category
const KoColorSpace *	colorSpace
QBitArray	defaultChannelFlags
QString	description
QString	id
Public Attributes inherited from Private
KisCanvas2 *	canvas
int	displayedFrame
int	intendedFrame

Detailed Description

template<class Traits, qint32 channel_pos>
class KoCompositeOpCopyChannel< Traits, channel_pos >

KoCompositeOpCopyChannel class

This class creates a CompositeOp that will just copy/blend a source channel to a destination channel

Parameters

channel_pos

the channel to copy/blend

Definition at line 21 of file KoCompositeOpCopyChannel.h.

Member Typedef Documentation

base_class

template<class Traits , qint32 channel_pos>

typedef KoCompositeOpBase< Traits, KoCompositeOpCopyChannel<Traits,channel_pos> > KoCompositeOpCopyChannel< Traits, channel_pos >::base_class

private

Definition at line 23 of file KoCompositeOpCopyChannel.h.

channels_type

template<class Traits , qint32 channel_pos>

typedef Traits::channels_type KoCompositeOpCopyChannel< Traits, channel_pos >::channels_type

private

Definition at line 24 of file KoCompositeOpCopyChannel.h.

composite_type

template<class Traits , qint32 channel_pos>

typedef KoColorSpaceMathsTraits<channels_type>::compositetype KoCompositeOpCopyChannel< Traits, channel_pos >::composite_type

private

Definition at line 25 of file KoCompositeOpCopyChannel.h.

Constructor & Destructor Documentation

KoCompositeOpCopyChannel()

template<class Traits , qint32 channel_pos>

KoCompositeOpCopyChannel< Traits, channel_pos >::KoCompositeOpCopyChannel ( const KoColorSpace * cs, const QString & id, const QString & category )

inline

Definition at line 30 of file KoCompositeOpCopyChannel.h.

        : base_class(cs, id, category) { }

Member Function Documentation

composeColorChannels()

template<class Traits , qint32 channel_pos>

template<bool alphaLocked, bool allChannelFlags>

static channels_type KoCompositeOpCopyChannel< Traits, channel_pos >::composeColorChannels ( const channels_type * src, channels_type srcAlpha, channels_type * dst, channels_type dstAlpha, channels_type maskAlpha, channels_type opacity, const QBitArray & channelFlags )

inlinestatic

Definition at line 35 of file KoCompositeOpCopyChannel.h.

                                                                                                           {
        using namespace Arithmetic;
        opacity = mul(opacity, maskAlpha);
        
        if(allChannelFlags || channelFlags.testBit(channel_pos)) {
            if(channel_pos == alpha_pos)
                return lerp(dstAlpha, srcAlpha, opacity);
            
            srcAlpha = mul(srcAlpha, opacity);
            dst[channel_pos] = lerp(dst[channel_pos], src[channel_pos], srcAlpha);
        }
        
        return dstAlpha;
    }

References KoCompositeOpCopyChannel< Traits, channel_pos >::alpha_pos, and lerp().

Member Data Documentation

alpha_pos

template<class Traits , qint32 channel_pos>

const qint32 KoCompositeOpCopyChannel< Traits, channel_pos >::alpha_pos = Traits::alpha_pos

staticprivate

Definition at line 27 of file KoCompositeOpCopyChannel.h.

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The documentation for this class was generated from the following file:

• libs/pigment/compositeops/KoCompositeOpCopyChannel.h