ScColor ScColorEngine::convertToModel(const ScColor& color, const ScribusDoc* doc, colorModel model)
{
colorModel oldModel = color.getColorModel();
if (oldModel == model)
return ScColor(color);
ScColor newCol;
if (model == colorModelRGB)
{
RGBColorF rgb;
getRGBValues(color, doc, rgb);
newCol.setRgbColorF(rgb.r, rgb.g, rgb.b);
}
else if (model == colorModelCMYK)
{
CMYKColorF cmyk;
getCMYKValues(color, doc, cmyk);
newCol.setColorF(cmyk.c, cmyk.m, cmyk.y, cmyk.k);
}
else if (model == colorModelLab)
{
ScColorMgmtEngine engine(ScCore->defaultEngine);
if (oldModel == colorModelRGB)
{
ScColorProfile profRGB = doc ? doc->DocInputRGBProf : ScCore->defaultRGBProfile;
ScColorProfile profLab = ScCore->defaultLabProfile;
ScColorTransform trans = engine.createTransform(profRGB, Format_RGB_16, profLab, Format_Lab_Dbl, Intent_Perceptual, 0);
double outC[3];
unsigned short inC[3];
inC[0] = qRound(color.m_values[0] * 65535);
inC[1] = qRound(color.m_values[1] * 65535);
inC[2] = qRound(color.m_values[2] * 65535);
trans.apply(inC, outC, 1);
newCol.setLabColor(outC[0], outC[1], outC[2]);
}
else
{
ScColorProfile profCMYK = doc ? doc->DocInputCMYKProf : ScCore->defaultCMYKProfile;
ScColorProfile profLab = ScCore->defaultLabProfile;
ScColorTransform trans = engine.createTransform(profCMYK, Format_CMYK_16, profLab, Format_Lab_Dbl, Intent_Perceptual, 0);
double outC[3];
unsigned short inC[4];
inC[0] = qRound(color.m_values[0] * 65535);
inC[1] = qRound(color.m_values[1] * 65535);
inC[2] = qRound(color.m_values[2] * 65535);
inC[3] = qRound(color.m_values[3] * 65535);
trans.apply(inC, outC, 1);
newCol.setLabColor(outC[0], outC[1], outC[2]);
}
}
return newCol;
}
ScColor ScColorEngine::convertToModel(const ScColor& color, const ScribusDoc* doc, colorModel model)
{
colorModel oldModel = color.getColorModel();
if( oldModel == model )
return ScColor(color);
ScColor newCol;
if( model == colorModelRGB )
{
RGBColor rgb;
getRGBValues(color, doc, rgb);
newCol.setColorRGB(rgb.r, rgb.g, rgb.b);
}
else
{
CMYKColor cmyk;
getCMYKValues(color, doc, cmyk);
newCol.setColor(cmyk.c, cmyk.m, cmyk.y, cmyk.k);
}
return newCol;
}
void ScColorEngine::getShadeColorRGB(const ScColor& color, const ScribusDoc* doc, RGBColorF& rgb, double level)
{
if (color.getColorModel() == colorModelCMYK)
{
CMYKColorF cmyk;
getShadeColorCMYK(color, doc, cmyk, level);
ScColor tmpC;
tmpC.setColorF(cmyk.c, cmyk.m, cmyk.y, cmyk.k);
getRGBValues(tmpC, doc, rgb);
}
else if (color.getColorModel() == colorModelRGB)
{
HSVColorF hsv;
color.getRawRGBColor(&rgb);
rgb.toHsv(hsv);
hsv.s = hsv.s * (level / 100.0);
hsv.v = 1.0 - (1.0 - hsv.v) * (level / 100.0);
hsv.toRgb(rgb);
//We could also compute rgb shade using rgb directly
/*rgb.r = 1.0 - ((1.0 - color.m_values[0]) * level / 100);
rgb.g = 1.0 - ((1.0 - color.m_values[1]) * level / 100);
rgb.b = 1.0 - ((1.0 - color.m_values[2]) * level / 100);*/
}
else if (color.getColorModel() == colorModelLab)
{
ScColorTransform trans = doc ? doc->stdLabToRGBTrans : 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);
rgb.r = outC[0] / 65535.0;
rgb.g = outC[1] / 65535.0;
rgb.b = outC[2] / 65535.0;
}
}
void ScColorEngine::getShadeColorRGB(const ScColor& color, const ScribusDoc* doc, RGBColor& rgb, double level)
{
if (color.getColorModel() == colorModelCMYK)
{
CMYKColor cmyk;
getShadeColorCMYK(color, doc, cmyk, level);
ScColor tmpC(cmyk.c, cmyk.m, cmyk.y, cmyk.k);
getRGBValues(tmpC, doc, rgb);
}
else if (color.getColorModel() == colorModelRGB)
{
int h, s, v, snew, vnew;
QColor tmpR(color.CR, color.MG, color.YB);
tmpR.getHsv(&h, &s, &v);
snew = qRound(s * level / 100.0);
vnew = 255 - qRound(((255 - v) * level / 100.0));
tmpR.setHsv(h, snew, vnew);
tmpR.getRgb(&rgb.r, &rgb.g, &rgb.b);
//We could also compute rgb shade using rgb directly
/*rgb.CR = 255 - ((255 - color.CR) * level / 100);
rgb.MG = 255 - ((255 - color.MG) * level / 100);
rgb.YB = 255 - ((255 - color.YB) * level / 100);*/
}
else if (color.getColorModel() == colorModelLab)
{
ScColorTransform trans = doc ? doc->stdLabToRGBTrans : ScCore->defaultLabToRGBTrans;
double inC[3];
inC[0] = color.L_val * (level / 100.0);
inC[1] = color.a_val;
inC[2] = color.b_val;
quint16 outC[3];
trans.apply(inC, outC, 1);
rgb.r = outC[0] / 257;
rgb.g = outC[1] / 257;
rgb.b = outC[2] / 257;
}
}
void ScColorEngine::getShadeColorRGB(const ScColor& color, const ScribusDoc* doc, RGBColor& rgb, double level)
{
if (color.getColorModel() == colorModelCMYK)
{
CMYKColor cmyk;
getShadeColorCMYK(color, doc, cmyk, level);
ScColor tmpC(cmyk.c, cmyk.m, cmyk.y, cmyk.k);
getRGBValues(tmpC, doc, rgb);
}
else
{
int h, s, v, snew, vnew;
QColor tmpR(color.CR, color.MG, color.YB);
tmpR.getHsv(&h, &s, &v);
snew = qRound(s * level / 100.0);
vnew = 255 - qRound(((255 - v) * level / 100.0));
tmpR.setHsv(h, snew, vnew);
tmpR.getRgb(&rgb.r, &rgb.g, &rgb.b);
//We could also compute rgb shade using rgb directly
/*rgb.CR = 255 - ((255 - color.CR) * level / 100);
rgb.MG = 255 - ((255 - color.MG) * level / 100);
rgb.YB = 255 - ((255 - color.YB) * level / 100);*/
}
}
QColor ScColorEngine::getRGBColor(const ScColor& color, const ScribusDoc* doc)
{
RGBColor rgb;
getRGBValues(color, doc, rgb);
return QColor(rgb.r, rgb.g, rgb.b);
}