Krita Source Code Documentation
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CmykF32ColorSpace Class Reference

#include <CmykF32ColorSpace.h>

+ Inheritance diagram for CmykF32ColorSpace:

Public Member Functions

virtual KoColorSpaceclone () const
 
 CmykF32ColorSpace (const QString &name, KoColorProfile *p)
 
KoID colorDepthId () const override
 
void colorFromXML (quint8 *pixel, const QDomElement &elt) const override
 
KoID colorModelId () const override
 
void colorToXML (const quint8 *pixel, QDomDocument &doc, QDomElement &colorElt) const override
 
QVector< double > fromHSY (qreal *hue, qreal *sat, qreal *luma) const override
 
QVector< double > fromYUV (qreal *y, qreal *u, qreal *v) const override
 
bool hasHighDynamicRange () const override
 
void toHSY (const QVector< double > &channelValues, qreal *hue, qreal *sat, qreal *luma) const override
 
void toYUV (const QVector< double > &channelValues, qreal *y, qreal *u, qreal *v) const override
 
bool willDegrade (ColorSpaceIndependence independence) const override
 
- Public Member Functions inherited from LcmsColorSpace< KoCmykF32Traits >
KoColorTransformationcreateBrightnessContrastAdjustment (const quint16 *transferValues) const override
 
KoColorTransformationcreatePerChannelAdjustment (const quint16 *const *transferValues) const override
 
quint8 difference (const quint8 *src1, const quint8 *src2) const override
 
quint8 differenceA (const quint8 *src1, const quint8 *src2) const override
 
void fromQColor (const QColor &color, quint8 *dst) const override
 
bool hasHighDynamicRange () const override
 
const KoColorProfileprofile () const override
 
bool profileIsCompatible (const KoColorProfile *profile) const override
 
void toQColor (const quint8 *src, QColor *color) const override
 
void toQColor16 (const quint8 *src, QColor *color) const override
 
- Public Member Functions inherited from KoColorSpaceAbstract< _CSTrait >
quint32 alphaPos () const override
 
void applyAlphaNormedFloatMask (quint8 *pixels, const float *alpha, qint32 nPixels) const override
 
void applyAlphaU8Mask (quint8 *pixels, const quint8 *alpha, qint32 nPixels) const override
 
void applyInverseAlphaU8Mask (quint8 *pixels, const quint8 *alpha, qint32 nPixels) const override
 
void applyInverseNormedFloatMask (quint8 *pixels, const float *alpha, qint32 nPixels) const override
 
quint32 channelCount () const override
 
QString channelValueText (const quint8 *pixel, quint32 channelIndex) const override
 
quint32 colorChannelCount () const override
 
void convertChannelToVisualRepresentation (const quint8 *src, quint8 *dst, quint32 nPixels, const QBitArray selectedChannels) const override
 
void convertChannelToVisualRepresentation (const quint8 *src, quint8 *dst, quint32 nPixels, const qint32 selectedChannelIndex) const override
 
void copyOpacityU8 (quint8 *src, quint8 *dst, qint32 nPixels) const override
 
KoColorTransformationcreateDarkenAdjustment (qint32 shade, bool compensate, qreal compensation) const override
 
KoColorTransformationcreateInvertTransformation () const override
 
void fillGrayBrushWithColor (quint8 *dst, const QRgb *brush, quint8 *brushColor, qint32 nPixels) const override
 
void fillInverseAlphaNormedFloatMaskWithColor (quint8 *pixels, const float *alpha, const quint8 *brushColor, qint32 nPixels) const override
 
void fromNormalisedChannelsValue (quint8 *pixel, const QVector< float > &values) const override
 
quint8 intensity8 (const quint8 *src) const override
 
qreal intensityF (const quint8 *src) const override
 
 KoColorSpaceAbstract (const QString &id, const QString &name)
 
void multiplyAlpha (quint8 *pixels, quint8 alpha, qint32 nPixels) const override
 
void normalisedChannelsValue (const quint8 *pixel, QVector< float > &channels) const override
 
QString normalisedChannelValueText (const quint8 *pixel, quint32 channelIndex) const override
 
qreal opacityF (const quint8 *U8_pixel) const override
 
quint8 opacityU8 (const quint8 *U8_pixel) const override
 
quint32 pixelSize () const override
 
quint8 scaleToU8 (const quint8 *srcPixel, qint32 channelIndex) const override
 
void setOpacity (quint8 *pixels, qreal alpha, qint32 nPixels) const override
 
void setOpacity (quint8 *pixels, quint8 alpha, qint32 nPixels) const override
 
void singleChannelPixel (quint8 *dstPixel, const quint8 *srcPixel, quint32 channelIndex) const override
 
- Public Member Functions inherited from KoColorSpace
virtual void addCompositeOp (const KoCompositeOp *op)
 
virtual void addDitherOp (KisDitherOp *op)
 
virtual void bitBlt (const KoColorSpace *srcSpace, const KoCompositeOp::ParameterInfo &params, const KoCompositeOp *op, KoColorConversionTransformation::Intent renderingIntent, KoColorConversionTransformation::ConversionFlags conversionFlags) const
 
QBitArray channelFlags (bool color=true, bool alpha=false) const
 
QList< KoChannelInfo * > channels () const
 
const KoCompositeOpcompositeOp (const QString &id, const KoColorSpace *srcSpace=nullptr) const
 
virtual QList< KoCompositeOp * > compositeOps () const
 
virtual bool convertPixelsTo (const quint8 *src, quint8 *dst, const KoColorSpace *dstColorSpace, quint32 numPixels, KoColorConversionTransformation::Intent renderingIntent, KoColorConversionTransformation::ConversionFlags conversionFlags) const
 
virtual QImage convertToQImage (const quint8 *data, qint32 width, qint32 height, const KoColorProfile *dstProfile, KoColorConversionTransformation::Intent renderingIntent, KoColorConversionTransformation::ConversionFlags conversionFlags) const
 
virtual KoConvolutionOpconvolutionOp () const
 
virtual KoColorConversionTransformationcreateColorConverter (const KoColorSpace *dstColorSpace, KoColorConversionTransformation::Intent renderingIntent, KoColorConversionTransformation::ConversionFlags conversionFlags) const
 
KoColorTransformationcreateColorTransformation (const QString &id, const QHash< QString, QVariant > &parameters) const
 
virtual KoColorConversionTransformationcreateProofingTransform (const KoColorSpace *dstColorSpace, const KoColorSpace *proofingSpace, KoColorConversionTransformation::Intent renderingIntent, KoColorConversionTransformation::Intent proofingIntent, bool bpcFirstTransform, quint8 *gamutWarning, KoColorConversionTransformation::ConversionFlags displayConversionFlags) const
 createProofingTransform Create a proofing transform. This is a two part transform that can also do gamut checks. The first transform is from source -> proofing space. Here the gamut checks are performed. The second is the proofing to destination space.
 
virtual void decreaseHue (quint8 *pixel, qreal step) const
 
virtual void decreaseLuminosity (quint8 *pixel, qreal step) const
 
virtual void decreaseSaturation (quint8 *pixel, qreal step) const
 
virtual const KisDitherOpditherOp (const QString &depth, DitherType type) const
 
QPolygonF estimatedTRCXYY () const
 
virtual void fillGrayBrushWithColorAndLightnessOverlay (quint8 *dst, const QRgb *brush, quint8 *brushColor, qint32 nPixels) const
 
virtual void fillGrayBrushWithColorAndLightnessWithStrength (quint8 *dst, const QRgb *brush, quint8 *brushColor, qreal strength, qint32 nPixels) const
 
virtual void fromLabA16 (const quint8 *src, quint8 *dst, quint32 nPixels) const
 
virtual void fromRgbA16 (const quint8 *src, quint8 *dst, quint32 nPixels) const
 
QPolygonF gamutXYY () const
 
virtual bool hasCompositeOp (const QString &id, const KoColorSpace *srcSpace=nullptr) const
 
QString id () const
 
virtual void increaseBlue (quint8 *pixel, qreal step) const
 
virtual void increaseGreen (quint8 *pixel, qreal step) const
 
virtual void increaseHue (quint8 *pixel, qreal step) const
 
virtual void increaseLuminosity (quint8 *pixel, qreal step) const
 
virtual void increaseRed (quint8 *pixel, qreal step) const
 
virtual void increaseSaturation (quint8 *pixel, qreal step) const
 
virtual void increaseYellow (quint8 *pixel, qreal step) const
 
 KoColorSpace (const QString &id, const QString &name, KoMixColorsOp *mixColorsOp, KoConvolutionOp *convolutionOp)
 Should be called by real color spaces.
 
QVector< qreal > lumaCoefficients () const
 
virtual KoMixColorsOpmixColorsOp () const
 
virtual void modulateLightnessByGrayBrush (quint8 *dst, const QRgb *brush, qreal strength, qint32 nPixels) const
 
QString name () const
 
virtual bool operator== (const KoColorSpace &rhs) const
 
virtual bool proofPixelsTo (const quint8 *src, quint8 *dst, quint32 numPixels, KoColorConversionTransformation *proofingTransform) const
 proofPixelsTo
 
virtual void toLabA16 (const quint8 *src, quint8 *dst, quint32 nPixels) const
 
virtual void toRgbA16 (const quint8 *src, quint8 *dst, quint32 nPixels) const
 
virtual void transparentColor (quint8 *dst, quint32 nPixels) const
 
- Public Member Functions inherited from Private
 Private (KisCanvas2 *c)
 
- Public Member Functions inherited from KoLcmsInfo
virtual cmsColorSpaceSignature colorSpaceSignature () const
 
virtual quint32 colorSpaceType () const
 
 KoLcmsInfo (cmsUInt32Number cmType, cmsColorSpaceSignature colorSpaceSignature)
 
virtual ~KoLcmsInfo ()
 

Static Public Member Functions

static QString colorSpaceId ()
 

Additional Inherited Members

- Public Types inherited from KoColorSpaceAbstract< _CSTrait >
typedef _CSTrait ColorSpaceTraits
 
- Public Attributes inherited from KoColorSpace
ThreadLocalCache channelFlagsApplicationCache
 
QList< KoChannelInfo * > channels
 
QVector< qreal > colorants
 
QHash< QString, KoCompositeOp * > compositeOps
 
ThreadLocalCache conversionCache
 
KoConvolutionOpconvolutionOp
 
Deletability deletability
 
QHash< QString, QMap< DitherType, KisDitherOp * > > ditherOps
 
QPolygonF gamutXYY
 
KoColorSpaceEngineiccEngine
 
QString id
 
quint32 idNumber
 
QVector< qreal > lumaCoefficients
 
KoMixColorsOpmixColorsOp
 
QString name
 
KoColorConversionTransformationtransfoFromLABA16
 
KoColorConversionTransformationtransfoFromRGBA16
 
KoColorConversionTransformationtransfoToLABA16
 
KoColorConversionTransformationtransfoToRGBA16
 
QPolygonF TRCXYY
 
- Public Attributes inherited from Private
KisCanvas2canvas
 
int displayedFrame
 
int intendedFrame
 
- Protected Member Functions inherited from LcmsColorSpace< KoCmykF32Traits >
void init ()
 
 LcmsColorSpace (const QString &id, const QString &name, cmsUInt32Number cmType, cmsColorSpaceSignature colorSpaceSignature, KoColorProfile *p)
 
 ~LcmsColorSpace () override
 
- Protected Member Functions inherited from KoColorSpace
virtual void addChannel (KoChannelInfo *ci)
 
const KoColorConversionTransformationfromLabA16Converter () const
 
const KoColorConversionTransformationfromRgbA16Converter () const
 
 KoColorSpace ()
 Only for use by classes that serve as baseclass for real color spaces.
 
virtual bool preferCompositionInSourceColorSpace () const
 
const KoColorConversionTransformationtoLabA16Converter () const
 
const KoColorConversionTransformationtoRgbA16Converter () const
 
virtual ~KoColorSpace ()
 
- Protected Attributes inherited from KoColorSpace
Private *const d
 

Detailed Description

Definition at line 18 of file CmykF32ColorSpace.h.

Constructor & Destructor Documentation

◆ CmykF32ColorSpace()

CmykF32ColorSpace::CmykF32ColorSpace ( const QString & name,
KoColorProfile * p )

Definition at line 19 of file CmykF32ColorSpace.cpp.

21{
22 const IccColorProfile *icc_p = dynamic_cast<const IccColorProfile *>(p);
23 Q_ASSERT(icc_p);
25 Q_ASSERT(uiRanges.size() == 4);
26
27 addChannel(new KoChannelInfo(i18n("Cyan"), 0 * sizeof(float), 0, KoChannelInfo::COLOR, KoChannelInfo::FLOAT32, sizeof(float), Qt::cyan, uiRanges[0]));
28 addChannel(new KoChannelInfo(i18n("Magenta"), 1 * sizeof(float), 1, KoChannelInfo::COLOR, KoChannelInfo::FLOAT32, sizeof(float), Qt::magenta, uiRanges[1]));
29 addChannel(new KoChannelInfo(i18n("Yellow"), 2 * sizeof(float), 2, KoChannelInfo::COLOR, KoChannelInfo::FLOAT32, sizeof(float), Qt::yellow, uiRanges[2]));
30 addChannel(new KoChannelInfo(i18n("Black"), 3 * sizeof(float), 3, KoChannelInfo::COLOR, KoChannelInfo::FLOAT32, sizeof(float), Qt::black, uiRanges[3]));
31 addChannel(new KoChannelInfo(i18n("Alpha"), 4 * sizeof(float), 4, KoChannelInfo::ALPHA, KoChannelInfo::FLOAT32, sizeof(float)));
32
33 init();
34
35 dbgPlugins << "CMYK (float) profile bounds for: " << icc_p->name();
36 dbgPlugins << "C: " << uiRanges[0].minVal << uiRanges[0].maxVal;
37 dbgPlugins << "M: " << uiRanges[1].minVal << uiRanges[1].maxVal;
38 dbgPlugins << "Y: " << uiRanges[2].minVal << uiRanges[2].maxVal;
39 dbgPlugins << "K: " << uiRanges[3].minVal << uiRanges[3].maxVal;
40
41 addStandardCompositeOps<KoCmykF32Traits>(this);
42 addStandardDitherOps<KoCmykF32Traits>(this);
43}
#define TYPE_CMYKA_FLT
const Params2D p
static QString colorSpaceId()
const QVector< KoChannelInfo::DoubleRange > & getFloatUIMinMax(void) const
@ ALPHA
The channel represents the opacity of a pixel.
@ COLOR
The channel represents a color.
@ FLOAT32
use this for a float 32bits channel
virtual void addChannel(KoChannelInfo *ci)
#define dbgPlugins
Definition kis_debug.h:51

References KoColorSpace::addChannel(), KoChannelInfo::ALPHA, KoChannelInfo::COLOR, dbgPlugins, KoChannelInfo::FLOAT32, IccColorProfile::getFloatUIMinMax(), LcmsColorSpace< KoCmykF32Traits >::init(), KoColorProfile::name, and p.

Member Function Documentation

◆ clone()

KoColorSpace * CmykF32ColorSpace::clone ( ) const
virtual

Definition at line 54 of file CmykF32ColorSpace.cpp.

55{
56 return new CmykF32ColorSpace(name(), profile()->clone());
57}
CmykF32ColorSpace(const QString &name, KoColorProfile *p)
virtual KoColorSpace * clone() const
const KoColorProfile * profile() const override

References clone(), CmykF32ColorSpace(), KoColorSpace::name, and LcmsColorSpace< KoCmykF32Traits >::profile().

◆ colorDepthId()

KoID CmykF32ColorSpace::colorDepthId ( ) const
inlineoverridevirtual
Returns
a string that identify the bit depth (for instance "U8" or "F16" ...)
See also
KoColorModelStandardIds.h

Implements KoColorSpace.

Definition at line 30 of file CmykF32ColorSpace.h.

31 {
33 }
const KoID Float32BitsColorDepthID("F32", ki18n("32-bit float/channel"))

References Float32BitsColorDepthID.

◆ colorFromXML()

void CmykF32ColorSpace::colorFromXML ( quint8 * pixel,
const QDomElement & elt ) const
overridevirtual

Unserialize a color following Create's swatch color specification available at https://web.archive.org/web/20110826002520/http://create.freedesktop.org/wiki/Swatches_-_color_file_format/Draft

Parameters
pixelbuffer where the color will be unserialized
eltthe element to unserialize (<CMYK />, <sRGB />, <RGB />)
Returns
the unserialize color, or an empty color object if the function failed to unserialize the color

Implements KoColorSpace.

Definition at line 76 of file CmykF32ColorSpace.cpp.

77{
78 KoCmykF32Traits::Pixel *p = reinterpret_cast<KoCmykF32Traits::Pixel *>(pixel);
80
81 p->cyan = channels[0]->getUIMin() + KoColorSpaceMaths< qreal, KoCmykF32Traits::channels_type >::scaleToA(KisDomUtils::toDouble(elt.attribute("c"))) * channels[0]->getUIUnitValue();
82 p->magenta = channels[1]->getUIMin() + KoColorSpaceMaths< qreal, KoCmykF32Traits::channels_type >::scaleToA(KisDomUtils::toDouble(elt.attribute("m"))) * channels[1]->getUIUnitValue();
83 p->yellow = channels[2]->getUIMin() + KoColorSpaceMaths< qreal, KoCmykF32Traits::channels_type >::scaleToA(KisDomUtils::toDouble(elt.attribute("y"))) * channels[2]->getUIUnitValue();
84 p->black = channels[3]->getUIMin() + KoColorSpaceMaths< qreal, KoCmykF32Traits::channels_type >::scaleToA(KisDomUtils::toDouble(elt.attribute("k"))) * channels[3]->getUIUnitValue();
85 p->alpha = 1.0;
86}
static _Tdst scaleToA(_T a)
QList< KoChannelInfo * > channels
double toDouble(const QString &str, bool *ok=nullptr)

References KoColorSpace::channels, p, KoColorSpaceMaths< _T, _Tdst >::scaleToA(), and KisDomUtils::toDouble().

◆ colorModelId()

KoID CmykF32ColorSpace::colorModelId ( ) const
inlineoverridevirtual
Returns
a string that identify the color model (for instance "RGB" or "CMYK" ...)
See also
KoColorModelStandardIds.h

Implements KoColorSpace.

Definition at line 25 of file CmykF32ColorSpace.h.

26 {
27 return CMYKAColorModelID;
28 }
const KoID CMYKAColorModelID("CMYKA", ki18n("CMYK/Alpha"))

References CMYKAColorModelID.

◆ colorSpaceId()

static QString CmykF32ColorSpace::colorSpaceId ( )
inlinestatic

Definition at line 46 of file CmykF32ColorSpace.h.

47 {
48 return QStringLiteral("CMYKAF32");
49 }

◆ colorToXML()

void CmykF32ColorSpace::colorToXML ( const quint8 * pixel,
QDomDocument & doc,
QDomElement & colorElt ) const
overridevirtual

Serialize this color following Create's swatch color specification available at https://web.archive.org/web/20110826002520/http://create.freedesktop.org/wiki/Swatches_-_color_file_format/Draft

This function doesn't create the <color /> element but rather the <CMYK />, <sRGB />, <RGB /> ... elements. It is assumed that colorElt is the <color /> element.

Parameters
pixelbuffer to serialized
colorEltroot element for the serialization, it is assumed that this element is <color />
docis the document containing colorElt

Implements KoColorSpace.

Definition at line 59 of file CmykF32ColorSpace.cpp.

60{
61 const KoCmykF32Traits::Pixel *p = reinterpret_cast<const KoCmykF32Traits::Pixel *>(pixel);
62 QDomElement labElt = doc.createElement("CMYK");
63
65
66 // XML expects 0-1, we need 0-100
67 // Get the bounds from the channels and adjust the calculations
68 labElt.setAttribute("c", KisDomUtils::toString(KoColorSpaceMaths< KoCmykF32Traits::channels_type, qreal>::scaleToA((1.f / channels[0]->getUIUnitValue()) * (p->cyan - channels[0]->getUIMin()))));
69 labElt.setAttribute("m", KisDomUtils::toString(KoColorSpaceMaths< KoCmykF32Traits::channels_type, qreal>::scaleToA((1.f / channels[1]->getUIUnitValue()) * (p->magenta - channels[1]->getUIMin()))));
70 labElt.setAttribute("y", KisDomUtils::toString(KoColorSpaceMaths< KoCmykF32Traits::channels_type, qreal>::scaleToA((1.f / channels[2]->getUIUnitValue()) * (p->yellow - channels[2]->getUIMin()))));
71 labElt.setAttribute("k", KisDomUtils::toString(KoColorSpaceMaths< KoCmykF32Traits::channels_type, qreal>::scaleToA((1.f / channels[3]->getUIUnitValue()) * (p->black - channels[3]->getUIMin()))));
72 labElt.setAttribute("space", profile()->name());
73 colorElt.appendChild(labElt);
74}
QString toString(const QString &value)

References KoColorSpace::channels, KoColorSpace::name, p, LcmsColorSpace< KoCmykF32Traits >::profile(), and KisDomUtils::toString().

◆ fromHSY()

QVector< double > CmykF32ColorSpace::fromHSY ( qreal * hue,
qreal * sat,
qreal * luma ) const
overridevirtual

Implements KoColorSpace.

Definition at line 102 of file CmykF32ColorSpace.cpp.

103{
104 QVector <double> channelValues(5);
105 channelValues.fill(1.0);
106 HSIToRGB(*hue, *sat, *luma, &channelValues[0],&channelValues[1],&channelValues[2]);
107 channelValues[0] = qBound(0.0,1.0-channelValues[0],1.0);
108 channelValues[1] = qBound(0.0,1.0-channelValues[1],1.0);
109 channelValues[2] = qBound(0.0,1.0-channelValues[2],1.0);
110 CMYToCMYK(&channelValues[0],&channelValues[1],&channelValues[2],&channelValues[3]);
111 return channelValues;
112}
void HSIToRGB(const qreal h, const qreal s, const qreal i, qreal *red, qreal *green, qreal *blue)
void CMYToCMYK(qreal *c, qreal *m, qreal *y, qreal *k)

References CMYToCMYK(), and HSIToRGB().

◆ fromYUV()

QVector< double > CmykF32ColorSpace::fromYUV ( qreal * y,
qreal * u,
qreal * v ) const
overridevirtual

Implements KoColorSpace.

Definition at line 127 of file CmykF32ColorSpace.cpp.

128{
129 QVector <double> channelValues(5);
130 channelValues.fill(1.0);
131 YUVToRGB(*y, *u, *v, &channelValues[0],&channelValues[1],&channelValues[2], 0.33, 0.33, 0.33);
132 channelValues[0] = qBound(0.0,1.0-channelValues[0],1.0);
133 channelValues[1] = qBound(0.0,1.0-channelValues[1],1.0);
134 channelValues[2] = qBound(0.0,1.0-channelValues[2],1.0);
135 CMYToCMYK(&channelValues[0],&channelValues[1],&channelValues[2],&channelValues[3]);
136 return channelValues;
137}
qreal v
qreal u
void YUVToRGB(const qreal y, const qreal u, const qreal v, qreal *r, qreal *g, qreal *b, qreal R, qreal G, qreal B)

References CMYToCMYK(), u, v, and YUVToRGB().

◆ hasHighDynamicRange()

bool CmykF32ColorSpace::hasHighDynamicRange ( ) const
inlineoverridevirtual

Returns true if the colorspace supports channel values outside the (normalised) range 0 to 1.

Implements KoColorSpace.

Definition at line 51 of file CmykF32ColorSpace.h.

52 {
53 return true;
54 }

◆ toHSY()

void CmykF32ColorSpace::toHSY ( const QVector< double > & channelValues,
qreal * hue,
qreal * sat,
qreal * luma ) const
overridevirtual

Implements KoColorSpace.

Definition at line 88 of file CmykF32ColorSpace.cpp.

89{
90 qreal c0 = channelValues[0];
91 qreal c1 = channelValues[1];
92 qreal c2 = channelValues[2];
93 qreal c3 = channelValues[3];
94 //we use HSI here because we can't linearise CMYK, and HSY doesn't work right with...
95 CMYKToCMY(&c0, &c1, &c2, &c3);
96 c0 = 1.0 - c0;
97 c1 = 1.0 - c1;
98 c2 = 1.0 - c2;
99 RGBToHSI(c0, c1, c2, hue, sat, luma);
100}
void RGBToHSI(qreal r, qreal g, qreal b, qreal *h, qreal *s, qreal *i)
void CMYKToCMY(qreal *c, qreal *m, qreal *y, qreal *k)

References CMYKToCMY(), and RGBToHSI().

◆ toYUV()

void CmykF32ColorSpace::toYUV ( const QVector< double > & channelValues,
qreal * y,
qreal * u,
qreal * v ) const
overridevirtual

Implements KoColorSpace.

Definition at line 114 of file CmykF32ColorSpace.cpp.

115{
116 qreal c0 = channelValues[0];
117 qreal c1 = channelValues[1];
118 qreal c2 = channelValues[2];
119 qreal c3 = channelValues[3];
120 CMYKToCMY(&c0, &c1, &c2, &c3);
121 c0 = 1.0 - c0;
122 c1 = 1.0 - c1;
123 c2 = 1.0 - c2;
124 RGBToYUV(c0, c1, c2, y, u, v, (1.0 - 0.299),(1.0 - 0.587), (1.0 - 0.114));
125}
void RGBToYUV(const qreal r, const qreal g, const qreal b, qreal *y, qreal *u, qreal *v, qreal R, qreal G, qreal B)

References CMYKToCMY(), RGBToYUV(), u, and v.

◆ willDegrade()

bool CmykF32ColorSpace::willDegrade ( ColorSpaceIndependence independence) const
overridevirtual

If false, images in this colorspace will degrade considerably by functions, tools and filters that have the given measure of colorspace independence.

Parameters
independencethe measure to which this colorspace will suffer from the manipulations of the tool or filter asking
Returns
false if no degradation will take place, true if degradation will take place

Implements KoColorSpace.

Definition at line 45 of file CmykF32ColorSpace.cpp.

46{
47 if (independence == TO_RGBA16) {
48 return true;
49 } else {
50 return false;
51 }
52}
@ TO_RGBA16

References TO_RGBA16.


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