QColor ScColorEngine::getDisplayColor(const ScColor& color, const ScribusDoc* doc, double level)
{
QColor tmp;
if (color.getColorModel() == colorModelRGB)
{
RGBColorF rgb;
rgb.r = color.m_values[0];
rgb.g = color.m_values[1];
rgb.b = color.m_values[2];
getShadeColorRGB(color, doc, rgb, level);
tmp = getDisplayColor(rgb, doc, color.isSpotColor());
}
else if (color.getColorModel() == colorModelCMYK)
{
CMYKColorF cmyk;
cmyk.c = color.m_values[0];
cmyk.m = color.m_values[1];
cmyk.y = color.m_values[2];
cmyk.k = color.m_values[3];
getShadeColorCMYK(color, doc, cmyk, level);
tmp = getDisplayColor(cmyk, doc, color.isSpotColor());
}
else if (color.getColorModel() == colorModelLab)
{
ScColorTransform trans = doc ? doc->stdLabToScreenTrans : ScCore->defaultLabToRGBTrans;
double inC[3];
inC[0] = 100 - (100 - color.m_L_val) * (level / 100.0);
inC[1] = color.m_a_val * (level / 100.0);
inC[2] = color.m_b_val * (level / 100.0);
quint16 outC[3];
trans.apply(inC, outC, 1);
tmp = QColor(outC[0] / 257, outC[1] / 257, outC[2] / 257);
}
return tmp;
}
QColor ScColorEngine::getDisplayColor(const ScColor& color, const ScribusDoc* doc)
{
QColor tmp;
if (color.getColorModel() == colorModelRGB)
{
RGBColor rgb;
rgb.r = color.CR;
rgb.g = color.MG;
rgb.b = color.YB;
tmp = getDisplayColor(rgb, doc, color.isSpotColor());
}
else if (color.getColorModel() == colorModelCMYK)
{
CMYKColor cmyk;
cmyk.c = color.CR;
cmyk.m = color.MG;
cmyk.y = color.YB;
cmyk.k = color.K;
tmp = getDisplayColor(cmyk, doc, color.isSpotColor());
}
else if (color.getColorModel() == colorModelLab)
{
ScColorTransform trans = doc ? doc->stdLabToRGBTrans : ScCore->defaultLabToRGBTrans;
double inC[3];
inC[0] = color.L_val;
inC[1] = color.a_val;
inC[2] = color.b_val;
quint16 outC[3];
trans.apply(inC, outC, 1);
tmp = QColor(outC[0] / 257, outC[1] / 257, outC[2] / 257);
}
return tmp;
}
static quint64 code64(const ScColor & col) {
int C, M, Y, K, R, G, B;
quint64 result=0;
if (col.getColorModel() == colorModelRGB)
{
col.getRGB( &R, &G, &B );
QColor color = QColor(R, G, B);
color.getCmyk(&C, &M, &Y, &K);
}
else
{
col.getCMYK( &C, &M, &Y, &K );
R = 255-qMin(255, C + K);
G = 255-qMin(255, M + K);
B = 255-qMin(255, Y + K);
}
result |= col.getColorModel() == colorModelRGB ? 1 : 0;
result |= col.isSpotColor() ? 64 : 0;
result |= col.isRegistrationColor() ? 32 : 0;
result <<= 8;
result |= C;
result <<= 8;
result |= M;
result <<= 8;
result |= Y;
result <<= 8;
result |= K;
result <<= 8;
result |= R;
result <<= 8;
result |= G;
result <<= 8;
result |= B;
return result;
}
QColor ScColorEngine::getColorProof(const ScColor& color, const ScribusDoc* doc, bool gamutCheck)
{
QColor tmp;
bool gamutChkEnabled = doc ? doc->Gamut : false;
bool spot = color.isSpotColor();
if (color.getColorModel() == colorModelRGB)
{
// Match 133x behavior (RGB greys map to cmyk greys) until we are able to make rgb profiled output
if ( color.CR == color.MG && color.MG == color.YB )
gamutChkEnabled = false;
RGBColor rgb;
rgb.r = color.CR;
rgb.g = color.MG;
rgb.b = color.YB;
tmp = getColorProof(rgb, doc, spot, gamutCheck & gamutChkEnabled);
}
else
{
CMYKColor cmyk;
cmyk.c = color.CR;
cmyk.m = color.MG;
cmyk.y = color.YB;
cmyk.k = color.K;
tmp = getColorProof(cmyk, doc, spot, gamutCheck & gamutChkEnabled);
}
return tmp;
}
void CMYKChoose::selFromSwatch(QListWidgetItem* c)
{
disconnect( ComboBox1, SIGNAL(activated(const QString&)), this, SLOT(selModel(const QString&)));
ScColor tmp = CurrSwatch[c->text()];
if (isRegistration)
{
if (tmp.getColorModel() != colorModelCMYK)
tmp = ScColorEngine::convertToModel(tmp, m_doc, colorModelCMYK);
selModel( tr("CMYK"));
}
else
{
if (tmp.getColorModel() == colorModelCMYK)
{
ComboBox1->setCurrentIndex( 0 );
selModel( tr("CMYK"));
}
else
{
ComboBox1->setCurrentIndex( 1 );
selModel( tr("RGB"));
}
}
imageN.fill( ScColorEngine::getDisplayColor(tmp, m_doc) );
if ( ScColorEngine::isOutOfGamut(tmp, m_doc) )
paintAlert(alertIcon, imageN, 2, 2, false);
NewC->setPixmap( imageN );
Farbe = tmp;
setValues();
Separations->setChecked(tmp.isSpotColor());
if ((isNew) && (!ColorName->isModified()))
ColorName->setText(c->text());
connect( ComboBox1, SIGNAL(activated(const QString&)), this, SLOT(selModel(const QString&)));
}
QColor ScColorEngine::getColorProof(const ScColor& color, const ScribusDoc* doc, bool gamutCheck)
{
QColor tmp;
bool gamutChkEnabled = doc ? doc->Gamut : false;
bool spot = color.isSpotColor();
if (color.getColorModel() == colorModelRGB)
{
// Match 133x behavior (RGB greys map to cmyk greys) until we are able to make rgb profiled output
if (color.m_values[0] == color.m_values[1] && color.m_values[1] == color.m_values[2])
gamutChkEnabled = false;
RGBColor rgb;
rgb.r = qRound(color.m_values[0] * 255.0);
rgb.g = qRound(color.m_values[1] * 255.0);
rgb.b = qRound(color.m_values[2] * 255.0);
tmp = getColorProof(rgb, doc, spot, gamutCheck & gamutChkEnabled);
}
else
{
CMYKColor cmyk;
cmyk.c = qRound(color.m_values[0] * 255.0);
cmyk.m = qRound(color.m_values[1] * 255.0);
cmyk.y = qRound(color.m_values[2] * 255.0);
cmyk.k = qRound(color.m_values[3] * 255.0);
tmp = getColorProof(cmyk, doc, spot, gamutCheck & gamutChkEnabled);
}
return tmp;
}
bool ScColorEngine::isOutOfGamut(const ScColor& color, const ScribusDoc* doc)
{
bool outOfGamutFlag = false;
if (color.isSpotColor())
return false;
unsigned short inC[4];
unsigned short outC[4];
bool cmsUse = doc ? doc->HasCMS : false;
if (ScCore->haveCMS() && cmsUse)
{
bool alert = true;
ScColorTransform xformProof;
if (color.getColorModel() == colorModelRGB)
{
inC[0] = qRound(color.m_values[0] * 65535.0);
inC[1] = qRound(color.m_values[1] * 65535.0);
inC[2] = qRound(color.m_values[2] * 65535.0);
xformProof = doc->stdProofGC;
if ((color.m_values[0] == 0) && (color.m_values[1] == 0) && (color.m_values[2] == 1.0))
alert = false;
if ((color.m_values[0] == color.m_values[1] && color.m_values[1] == color.m_values[2]))
alert = false;
}
else if (color.getColorModel() == colorModelCMYK)
{
inC[0] = qRound(color.m_values[0] * 65535.0);
inC[1] = qRound(color.m_values[1] * 65535.0);
inC[2] = qRound(color.m_values[2] * 65535.0);
inC[3] = qRound(color.m_values[3] * 65535.0);
xformProof = doc->stdProofCMYKGC;
if ((color.m_values[0] == 1.0) && (color.m_values[1] == 0) && (color.m_values[3] == 0) && (color.m_values[2] == 1.0))
alert = false;
if ((color.m_values[0] == 0.0) && (color.m_values[1] == 0) && (color.m_values[2] == 0))
alert = false;
if ((color.m_values[0] == color.m_values[1]) && (color.m_values[0] == color.m_values[2]) && (color.m_values[2] == color.m_values[3]))
alert = false;
}
else if (color.getColorModel() == colorModelLab)
{
double inC[3];
inC[0] = color.m_L_val;
inC[1] = color.m_a_val;
inC[2] = color.m_b_val;
xformProof = doc->stdProofLabGC;
xformProof.apply(inC, outC, 1);
if ((outC[0]/257 == 0) && (outC[1]/257 == 255) && (outC[2]/257 == 0))
outOfGamutFlag = true;
alert = false;
}
if (alert)
{
xformProof.apply(inC, outC, 1);
if ((outC[0]/257 == 0) && (outC[1]/257 == 255) && (outC[2]/257 == 0))
outOfGamutFlag = true;
}
}
return outOfGamutFlag;
}
bool ScColorEngine::isOutOfGamut(const ScColor& color, const ScribusDoc* doc)
{
bool outOfGamutFlag = false;
if (color.isSpotColor())
return false;
unsigned short inC[4];
unsigned short outC[4];
bool cmsUse = doc ? doc->HasCMS : false;
if (ScCore->haveCMS() && cmsUse)
{
bool alert = true;
ScColorTransform xformProof;
if (color.getColorModel() == colorModelRGB)
{
inC[0] = color.CR * 257;
inC[1] = color.MG * 257;
inC[2] = color.YB * 257;
xformProof = doc->stdProofGC;
if ((color.CR == 0) && (color.YB == 0) && (color.MG == 255))
alert = false;
if ((color.CR == color.MG && color.MG == color.YB))
alert = false;
}
else if (color.getColorModel() == colorModelCMYK)
{
inC[0] = color.CR * 257;
inC[1] = color.MG * 257;
inC[2] = color.YB * 257;
inC[3] = color.K * 257;
xformProof = doc->stdProofCMYKGC;
if ((color.MG == 0) && (color.K == 0) && (color.CR == 255) && (color.YB == 255))
alert = false;
if ((color.MG == 0) && (color.CR == 0) && (color.YB == 0))
alert = false;
if ((color.MG == color.CR) && (color.CR == color.YB) && (color.YB == color.K))
alert = false;
}
else if (color.getColorModel() == colorModelLab)
{
double inC[3];
inC[0] = color.L_val;
inC[1] = color.a_val;
inC[2] = color.b_val;
xformProof = doc->stdProofLabGC;
xformProof.apply(inC, outC, 1);
if ((outC[0]/257 == 0) && (outC[1]/257 == 255) && (outC[2]/257 == 0))
outOfGamutFlag = true;
alert = false;
}
if (alert)
{
xformProof.apply(inC, outC, 1);
if ((outC[0]/257 == 0) && (outC[1]/257 == 255) && (outC[2]/257 == 0))
outOfGamutFlag = true;
}
}
return outOfGamutFlag;
}
QColor ScColorEngine::getShadeColorProof(const ScColor& color, const ScribusDoc* doc, double level)
{
QColor tmp;
bool doGC = doc ? doc->Gamut : false;
bool cmsUse = doc ? doc->HasCMS : false;
bool softProof = doc ? doc->SoftProofing : false;
if (color.getColorModel() == colorModelRGB)
{
RGBColor rgb;
rgb.r = color.CR;
rgb.g = color.MG;
rgb.b = color.YB;
getShadeColorRGB(color, doc, rgb, level);
// Match 133x behavior for rgb grey until we are able to make rgb profiled output
// (RGB greys map to cmyk greys)
if ((cmsUse && softProof) && (rgb.r == rgb.g && rgb.g == rgb.b))
{
doGC = false;
CMYKColor cmyk;
cmyk.c = cmyk.m = cmyk.y = 0;
cmyk.k = 255 - rgb.g;
tmp = getColorProof(cmyk, doc, color.isSpotColor(), doGC);
}
else
tmp = getColorProof(rgb, doc, color.isSpotColor(), doGC);
}
else
{
CMYKColor cmyk;
cmyk.c = color.CR;
cmyk.m = color.MG;
cmyk.y = color.YB;
cmyk.k = color.K;
getShadeColorCMYK(color, doc, cmyk, level);
tmp = getColorProof(cmyk, doc, color.isSpotColor(), doGC);
}
return tmp;
}
QColor ScColorEngine::getDisplayColor(const ScColor& color, const ScribusDoc* doc)
{
QColor tmp;
if (color.getColorModel() == colorModelRGB)
{
RGBColor rgb;
rgb.r = color.CR;
rgb.g = color.MG;
rgb.b = color.YB;
tmp = getDisplayColor(rgb, doc, color.isSpotColor());
}
else
{
CMYKColor cmyk;
cmyk.c = color.CR;
cmyk.m = color.MG;
cmyk.y = color.YB;
cmyk.k = color.K;
tmp = getDisplayColor(cmyk, doc, color.isSpotColor());
}
return tmp;
}
static quint64 code64(const ScColor & col)
{
int C = 0;
int M = 0;
int Y = 0;
int K = 0;
int R = 0;
int G = 0;
int B = 0;
quint64 result = 0;
if (col.getColorModel() == colorModelRGB)
{
col.getRGB( &R, &G, &B );
QColor color = QColor(R, G, B);
color.getCmyk(&C, &M, &Y, &K);
}
else if (col.getColorModel() == colorModelCMYK)
{
col.getCMYK( &C, &M, &Y, &K );
R = 255-qMin(255, C + K);
G = 255-qMin(255, M + K);
B = 255-qMin(255, Y + K);
}
else
{
double L, a, b;
col.getLab(&L, &a, &b);
R = qRound(L);
G = qRound(a);
B = qRound(b);
}
result |= col.getColorModel() == colorModelRGB ? 1 : 0;
result |= col.isSpotColor() ? 64 : 0;
result |= col.isRegistrationColor() ? 32 : 0;
result <<= 8;
result |= C;
result <<= 8;
result |= M;
result <<= 8;
result |= Y;
result <<= 8;
result |= K;
result <<= 8;
result |= R;
result <<= 8;
result |= G;
result <<= 8;
result |= B;
return result;
}
static quint64 code64(const ScColor & col) {
int C, M, Y, K, R, G, B;
quint64 result=0;
col.getRGB( &R, &G, &B );
col.getCMYK( &C, &M, &Y, &K );
result |= col.getColorModel() == colorModelRGB ? 1 : 0;
result |= col.isSpotColor() ? 64 : 0;
result |= col.isRegistrationColor() ? 32 : 0;
result <<= 8;
result |= C;
result <<= 8;
result |= M;
result <<= 8;
result |= Y;
result <<= 8;
result |= K;
result <<= 8;
result |= R;
result <<= 8;
result |= G;
result <<= 8;
result |= B;
return result;
}
CMYKChoose::CMYKChoose( QWidget* parent, ScribusDoc* doc, ScColor orig, QString name, ColorList *Colors, bool newCol )
: QDialog( parent ), CurrSwatch(doc)
{
setModal(true);
m_doc = doc;
isNew = newCol;
dynamic = true;
Wsave = false;
isHLC = false;
EColors = Colors;
CurrSwatch.clear();
alertIcon = IconManager::instance()->loadPixmap("alert.png");
imageA = QPixmap(50,50);
imageA.fill( ScColorEngine::getDisplayColor(orig, m_doc) );
if ( ScColorEngine::isOutOfGamut(orig, m_doc) )
paintAlert(alertIcon,imageA, 2, 2, false);
imageN = QPixmap(50,50);
imageN.fill( ScColorEngine::getDisplayColor(orig, m_doc) );
if ( ScColorEngine::isOutOfGamut(orig, m_doc) )
paintAlert(alertIcon, imageN, 2, 2, false);
Farbe = orig;
resize( 498, 306 );
setWindowTitle( tr( "Edit Color" ) );
setWindowIcon(IconManager::instance()->loadIcon("AppIcon.png"));
setupUi(this);
ColorMap->setDoc(doc);
ColorName->setText( name );
ComboBox1->addItem( tr( "CMYK" ) );
ComboBox1->addItem( tr( "RGB" ) );
ComboBox1->addItem( tr( "Web Safe RGB" ) );
ComboBox1->addItem( tr( "Lab" ) );
ComboBox1->addItem( tr( "HLC" ) );
Separations->setChecked(orig.isSpotColor());
OldC->setPixmap( imageA );
NewC->setPixmap( imageN );
buttonOK->setText(CommonStrings::tr_OK);
buttonOK->setDefault( true );
buttonCancel->setText(CommonStrings::tr_Cancel);
hsvSelector = Swatches->addTopLevelItem( tr( "HSV Color Map" ) );
hsvSelector->setFlags(Qt::ItemIsSelectable | Qt::ItemIsUserCheckable | Qt::ItemIsEnabled);
csm.findPaletteLocations();
systemSwatches = Swatches->addTopLevelItem( tr("Scribus Swatches"));
csm.findPalettes(systemSwatches);
Swatches->addSubItem("Scribus Small", systemSwatches);
systemSwatches->setExpanded(true);
userSwatches = Swatches->addTopLevelItem( tr("User Swatches"));
csm.findUserPalettes(userSwatches);
customColSet = csm.userPaletteNames();
userSwatches->setExpanded(true);
// Swatches combo uses elided text strings, so we cannot
// set default combo item in constructor: at that point
// the swatch combo widget does not know its width yet.
// We set it in the dialog showEvent().
// Swatches->setCurrentComboItem( tr( "HSV Color Map" ));
slidersLayout->setSpacing(5);
slidersLayout->setMargin(0);
CyanSp->setNewUnit(0);
CyanSp->setMinimum(0);
CyanSp->setMaximum(100);
CyanSp->setSuffix( tr(" %"));
CyanSL->setAutoFillBackground(true);
CyanSL->setMinimumSize(QSize(255, 16));
CyanSL->setMinimum(0);
CyanSL->setMaximum(100);
CyanSL->setPalette(sliderPix(180));
MagentaSp->setNewUnit(0);
MagentaSp->setMinimum(0);
MagentaSp->setMaximum(100);
MagentaSp->setSuffix( tr(" %"));
MagentaSL->setAutoFillBackground(true);
MagentaSL->setMinimumSize(QSize(255, 16));
MagentaSL->setMinimum(0);
MagentaSL->setMaximum(100);
MagentaSL->setPalette(sliderPix(300));
YellowSp->setNewUnit(0);
YellowSp->setMinimum(0);
YellowSp->setMaximum(100);
YellowSp->setSuffix( tr(" %"));
YellowSL->setAutoFillBackground(true);
YellowSL->setMinimumSize(QSize(255, 16));
YellowSL->setMinimum(0);
YellowSL->setMaximum(100);
YellowSL->setPalette(sliderPix(60));
BlackSp->setNewUnit(0);
BlackSp->setMinimum(0);
BlackSp->setMaximum(100);
BlackSp->setSuffix( tr(" %"));
BlackSL->setAutoFillBackground(true);
BlackSL->setMinimumSize(QSize(255, 16));
BlackSL->setMinimum(0);
BlackSL->setMaximum(100);
BlackSL->setPalette(sliderBlack());
if (orig.getColorModel () == colorModelCMYK)
{
double ccd, cmd, cyd, ckd;
CMYKColor cmyk;
ScColorEngine::getCMYKValues(orig, m_doc, cmyk);
ccd = cmyk.c / 2.55;
cmd = cmyk.m / 2.55;
cyd = cmyk.y / 2.55;
ckd = cmyk.k / 2.55;
CyanSp->setValue(ccd);
CyanSL->setValue(qRound(ccd * 1000));
MagentaSp->setValue(cmd);
MagentaSL->setValue(qRound(cmd * 1000));
YellowSp->setValue(cyd);
YellowSL->setValue(qRound(cyd * 1000));
BlackSp->setValue(ckd);
BlackSL->setValue(qRound(ckd * 1000));
BlackComp = cmyk.k;
}
int h, s, v;
ScColorEngine::getRGBColor(orig, m_doc).getHsv(&h, &s, &v);
ColorMap->setFixedWidth(180);
ColorMap->drawPalette(v);
ColorMap->setMark(h, s);
Fnam = name;
ColorName->selectAll();
ColorName->setFocus();
TabStack->setCurrentIndex(0);
setFixedSize(minimumSizeHint());
setContextMenuPolicy(Qt::CustomContextMenu);
if (orig.getColorModel () == colorModelRGB)
{
ComboBox1->setCurrentIndex(1);
selModel ( tr( "RGB" ));
}
else if (orig.getColorModel() == colorModelCMYK)
{
ComboBox1->setCurrentIndex(0);
selModel ( tr( "CMYK" ));
}
else if (orig.getColorModel() == colorModelLab)
{
ComboBox1->setCurrentIndex(3);
selModel ( tr( "Lab" ));
}
isRegistration = Farbe.isRegistrationColor();
if (Farbe.isRegistrationColor())
{
ComboBox1->setEnabled(false);
Separations->setEnabled(false);
}
// signals and slots connections
// Regist->setToolTip( "<qt>" + tr( "Choosing this will enable printing this on all plates. Registration colors are used for printer marks such as crop marks, registration marks and the like. These are not typically used in the layout itself." ) + "</qt>");
Separations->setToolTip( "<qt>" + tr( "Choosing this will make this color a spot color, thus creating another spot when creating plates or separations. This is used most often when a logo or other color needs exact representation or cannot be replicated with CMYK inks. Metallic and fluorescent inks are good examples which cannot be easily replicated with CMYK inks." ) + "</qt>");
connect( buttonCancel, SIGNAL( clicked() ), this, SLOT( reject() ) );
connect( buttonOK, SIGNAL( clicked() ), this, SLOT( leave() ) );
connect( CyanSp, SIGNAL( valueChanged(double) ), this, SLOT( setValSLiders(double) ) );
connect( MagentaSp, SIGNAL( valueChanged(double) ), this, SLOT( setValSLiders(double) ) );
connect( YellowSp, SIGNAL( valueChanged(double) ), this, SLOT( setValSLiders(double) ) );
connect( BlackSp, SIGNAL( valueChanged(double) ), this, SLOT( setValSLiders(double) ) );
connect( CyanSL, SIGNAL( valueChanged(int) ), this, SLOT( setValueS(int) ) );
connect( MagentaSL, SIGNAL( valueChanged(int) ), this, SLOT( setValueS(int) ) );
connect( YellowSL, SIGNAL( valueChanged(int) ), this, SLOT( setValueS(int) ) );
connect( BlackSL, SIGNAL( valueChanged(int) ), this, SLOT( setValueS(int) ) );
connect( CyanSL, SIGNAL( valueChanged(int) ), this, SLOT( setColor() ) );
connect( MagentaSL, SIGNAL( valueChanged(int) ), this, SLOT( setColor() ) );
connect( YellowSL, SIGNAL( valueChanged(int) ), this, SLOT( setColor() ) );
connect( BlackSL, SIGNAL( valueChanged(int) ), this, SLOT( setColor() ) );
connect( ColorMap, SIGNAL( ColorVal(int, int, bool)), this, SLOT( setColor2(int, int, bool)));
connect( ComboBox1, SIGNAL(activated(const QString&)), this, SLOT(selModel(const QString&)));
// connect( Swatches, SIGNAL(activated(int)), this, SLOT(selSwatch(int)));
connect(Swatches, SIGNAL(activated(const QString &)), this, SLOT(selSwatch()));
connect(ColorSwatch, SIGNAL( itemClicked(QListWidgetItem*) ), this, SLOT( selFromSwatch(QListWidgetItem*) ) );
connect(Separations, SIGNAL(clicked()), this, SLOT(setSpot()));
// connect(Regist, SIGNAL(clicked()), this, SLOT(setRegist()));
connect(this, SIGNAL(customContextMenuRequested (const QPoint &)), this, SLOT(slotRightClick()));
layout()->activate();
}
QColor ScColorEngine::getShadeColorProof(const ScColor& color, const ScribusDoc* doc, double level)
{
QColor tmp;
bool doGC = doc ? doc->Gamut : false;
bool cmsUse = doc ? doc->HasCMS : false;
bool softProof = doc ? doc->SoftProofing : false;
if (color.getColorModel() == colorModelRGB)
{
RGBColorF rgb;
rgb.r = color.m_values[0];
rgb.g = color.m_values[1];
rgb.b = color.m_values[2];
getShadeColorRGB(color, doc, rgb, level);
// Match 133x behavior for rgb grey until we are able to make rgb profiled output
// (RGB greys map to cmyk greys)
if ((cmsUse && softProof) && (rgb.r == rgb.g && rgb.g == rgb.b))
{
doGC = false;
CMYKColorF cmyk;
cmyk.c = cmyk.m = cmyk.y = 0;
cmyk.k = 1.0 - rgb.g;
tmp = getColorProof(cmyk, doc, color.isSpotColor(), doGC);
}
else
tmp = getColorProof(rgb, doc, color.isSpotColor(), doGC);
}
else if (color.getColorModel() == colorModelCMYK)
{
CMYKColorF cmyk;
cmyk.c = color.m_values[0];
cmyk.m = color.m_values[1];
cmyk.y = color.m_values[2];
cmyk.k = color.m_values[3];
getShadeColorCMYK(color, doc, cmyk, level);
tmp = getColorProof(cmyk, doc, color.isSpotColor(), doGC);
}
else if (color.getColorModel() == colorModelLab)
{
double inC[3];
inC[0] = 100 - (100 - color.m_L_val) * (level / 100.0);
inC[1] = color.m_a_val * (level / 100.0);
inC[2] = color.m_b_val * (level / 100.0);
quint16 outC[3];
ScColorTransform trans = doc ? doc->stdLabToScreenTrans : ScCore->defaultLabToRGBTrans;
ScColorTransform transProof = doc ? doc->stdProofLab : ScCore->defaultLabToRGBTrans;
ScColorTransform transProofGC = doc ? doc->stdProofLabGC : ScCore->defaultLabToRGBTrans;
if (cmsUse && doc && doc->SoftProofing)
{
ScColorTransform xform = doGC ? transProofGC : transProof;
xform.apply(inC, outC, 1);
tmp = QColor(outC[0] / 257, outC[1] / 257, outC[2] / 257);
}
else
{
trans.apply(inC, outC, 1);
tmp = QColor(outC[0] / 257, outC[1] / 257, outC[2] / 257);
}
}
return tmp;
}
QColor ScColorEngine::getDisplayColor(const ScColor& color, const ScribusDoc* doc)
{
QColor tmp;
if (color.getColorModel() == colorModelRGB)
{
RGBColorF rgb;
rgb.r = color.m_values[0];
rgb.g = color.m_values[1];
rgb.b = color.m_values[2];
tmp = getDisplayColor(rgb, doc, color.isSpotColor());
}
else if (color.getColorModel() == colorModelCMYK)
{
CMYKColorF cmyk;
cmyk.c = color.m_values[0];
cmyk.m = color.m_values[1];
cmyk.y = color.m_values[2];
cmyk.k = color.m_values[3];
tmp = getDisplayColor(cmyk, doc, color.isSpotColor());
}
else if (color.getColorModel() == colorModelLab)
{
bool cmsUse = doc ? doc->HasCMS : false;
ScColorTransform trans = doc ? doc->stdLabToScreenTrans : ScCore->defaultLabToRGBTrans;
if (cmsUse && trans)
{
double inC[3];
inC[0] = color.m_L_val;
inC[1] = color.m_a_val;
inC[2] = color.m_b_val;
quint16 outC[3];
trans.apply(inC, outC, 1);
tmp = QColor(outC[0] / 257, outC[1] / 257, outC[2] / 257);
}
else
{
// First step: Lab -> XYZ
double var_Y = (color.m_L_val + 16) / 116.0;
double var_X = color.m_a_val / 500.0 + var_Y;
double var_Z = var_Y - color.m_b_val / 200.0;
if (pow(var_Y, 3) > 0.008856)
var_Y = pow(var_Y, 3);
else
var_Y = (var_Y - 16.0 / 116.0) / 7.787;
if (pow(var_X, 3) > 0.008856)
var_X = pow(var_X, 3);
else
var_X = (var_X - 16.0 / 116.0) / 7.787;
if (pow(var_Z, 3) > 0.008856)
var_Z = pow(var_Z, 3);
else
var_Z = (var_Z - 16.0 / 116.0) / 7.787;
// Second step: XYZ -> RGB
// Whitepoint D50
var_X = 0.990720 * var_X;
var_Y = 1.00000 * var_Y;
var_Z = 0.825210 * var_Z;
double var_R = var_X * 3.2406 + var_Y * -1.5372 + var_Z * -0.4986;
double var_G = var_X * -0.9689 + var_Y * 1.8758 + var_Z * 0.0415;
double var_B = var_X * 0.0557 + var_Y * -0.2040 + var_Z * 1.0570;
if (var_R > 0.0031308)
var_R = 1.055 * (pow(var_R, (1.0 / 2.4))) - 0.055;
else
var_R = 12.92 * var_R;
if (var_G > 0.0031308)
var_G = 1.055 * (pow(var_G, (1.0 / 2.4))) - 0.055;
else
var_G = 12.92 * var_G;
if (var_B > 0.0031308)
var_B = 1.055 * (pow(var_B, (1.0 / 2.4))) - 0.055;
else
var_B = 12.92 * var_B;
tmp = QColor(0, 0, 0, 0);
var_R = qMax(qMin(var_R, 1.0), 0.0);
var_G = qMax(qMin(var_G, 1.0), 0.0);
var_B = qMax(qMin(var_B, 1.0), 0.0);
tmp.setRgbF(var_R, var_G, var_B);
}
}
return tmp;
}