QVector <double> RgbF16ColorSpace::fromHSY(qreal *hue, qreal *sat, qreal *luma) const
{
QVector <double> channelValues(4);
HSYToRGB(*hue, *sat, *luma, &channelValues[0],&channelValues[1],&channelValues[2], lumaCoefficients()[0], lumaCoefficients()[1], lumaCoefficients()[2]);
channelValues[3]=1.0;
return channelValues;
}
KoColor KisVisualColorSelectorShape::convertShapeCoordinateToKoColor(QPointF coordinates, bool cursor)
{
//qDebug() << this << ">>>>>>>>> convertShapeCoordinateToKoColor()" << coordinates;
KoColor c = m_d->currentColor;
QVector <float> channelValues (c.colorSpace()->channelCount());
channelValues.fill(1.0);
c.colorSpace()->normalisedChannelsValue(c.data(), channelValues);
QVector <float> channelValuesDisplay = channelValues;
QVector <qreal> maxvalue(c.colorSpace()->channelCount());
maxvalue.fill(1.0);
if (m_d->displayRenderer
&& (m_d->colorSpace->colorDepthId() == Float16BitsColorDepthID
|| m_d->colorSpace->colorDepthId() == Float32BitsColorDepthID
|| m_d->colorSpace->colorDepthId() == Float64BitsColorDepthID)
&& m_d->colorSpace->colorModelId() != LABAColorModelID
&& m_d->colorSpace->colorModelId() != CMYKAColorModelID) {
for (int ch = 0; ch < maxvalue.size(); ch++) {
KoChannelInfo *channel = m_d->colorSpace->channels()[ch];
maxvalue[ch] = m_d->displayRenderer->maxVisibleFloatValue(channel);
channelValues[ch] = channelValues[ch]/(maxvalue[ch]);
channelValuesDisplay[KoChannelInfo::displayPositionToChannelIndex(ch, m_d->colorSpace->channels())] = channelValues[ch];
}
}
else {
for (int i =0; i < channelValues.size();i++) {
channelValuesDisplay[KoChannelInfo::displayPositionToChannelIndex(i, m_d->colorSpace->channels())] = qBound((float)0.0,channelValues[i], (float)1.0);
}
}
qreal huedivider = 1.0;
qreal huedivider2 = 1.0;
if (m_d->channel1 == 0) {
huedivider = 360.0;
}
if (m_d->channel2 == 0) {
huedivider2 = 360.0;
}
if (m_d->model != ColorModel::Channel && c.colorSpace()->colorModelId().id() == "RGBA") {
if (m_d->model == ColorModel::HSV) {
/*
* RGBToHSV has a undefined hue possibility. This means that hue will be -1.
* This can be annoying for dealing with a selector, but I understand it is being
* used for the KoColorSelector... For now implement a qMax here.
*/
QVector <float> inbetween(3);
RGBToHSV(channelValuesDisplay[0],channelValuesDisplay[1], channelValuesDisplay[2], &inbetween[0], &inbetween[1], &inbetween[2]);
inbetween = convertvectorqrealTofloat(getHSX(convertvectorfloatToqreal(inbetween)));
inbetween[m_d->channel1] = coordinates.x()*huedivider;
if (m_d->dimension == Dimensions::twodimensional) {
inbetween[m_d->channel2] = coordinates.y()*huedivider2;
}
if (cursor) {
setHSX(convertvectorfloatToqreal(inbetween));
Q_EMIT sigHSXchange();
}
HSVToRGB(qMax(inbetween[0],(float)0.0), inbetween[1], inbetween[2], &channelValuesDisplay[0], &channelValuesDisplay[1], &channelValuesDisplay[2]);
}
else if (m_d->model == ColorModel::HSL) {
/*
* HSLToRGB can give negative values on the grey. I fixed the fromNormalisedChannel function to clamp,
* but you might want to manually clamp for floating point values.
*/
QVector <float> inbetween(3);
RGBToHSL(channelValuesDisplay[0],channelValuesDisplay[1], channelValuesDisplay[2], &inbetween[0], &inbetween[1], &inbetween[2]);
inbetween = convertvectorqrealTofloat(getHSX(convertvectorfloatToqreal(inbetween)));
inbetween[m_d->channel1] = fmod(coordinates.x()*huedivider, 360.0);
if (m_d->dimension == Dimensions::twodimensional) {
inbetween[m_d->channel2] = coordinates.y()*huedivider2;
}
if (cursor) {
setHSX(convertvectorfloatToqreal(inbetween));
Q_EMIT sigHSXchange();
}
HSLToRGB(qMax(inbetween[0], (float)0.0), inbetween[1], inbetween[2], &channelValuesDisplay[0], &channelValuesDisplay[1], &channelValuesDisplay[2]);
}
else if (m_d->model == ColorModel::HSI) {
/*
* HSI is a modified HSY function.
*/
QVector <qreal> chan2 = convertvectorfloatToqreal(channelValuesDisplay);
QVector <qreal> inbetween(3);
RGBToHSI(chan2[0],chan2[1], chan2[2], &inbetween[0], &inbetween[1], &inbetween[2]);
inbetween = getHSX(inbetween);
inbetween[m_d->channel1] = coordinates.x();
if (m_d->dimension == Dimensions::twodimensional) {
inbetween[m_d->channel2] = coordinates.y();
}
if (cursor) {
setHSX(inbetween);
Q_EMIT sigHSXchange();
}
HSIToRGB(inbetween[0], inbetween[1], inbetween[2],&chan2[0],&chan2[1], &chan2[2]);
channelValuesDisplay = convertvectorqrealTofloat(chan2);
}
else /*if (m_d->model == ColorModel::HSY)*/ {
/*
* HSY is pretty slow to render due being a pretty over-the-top function.
* Might be worth investigating whether HCY can be used instead, but I have had
* some weird results with that.
*/
QVector <qreal> luma= m_d->colorSpace->lumaCoefficients();
QVector <qreal> chan2 = convertvectorfloatToqreal(channelValuesDisplay);
QVector <qreal> inbetween(3);
RGBToHSY(chan2[0],chan2[1], chan2[2], &inbetween[0], &inbetween[1], &inbetween[2],
luma[0], luma[1], luma[2]);
inbetween = getHSX(inbetween);
inbetween[m_d->channel1] = coordinates.x();
if (m_d->dimension == Dimensions::twodimensional) {
inbetween[m_d->channel2] = coordinates.y();
}
if (cursor) {
setHSX(inbetween);
Q_EMIT sigHSXchange();
}
HSYToRGB(inbetween[0], inbetween[1], inbetween[2],&chan2[0],&chan2[1], &chan2[2],
luma[0], luma[1], luma[2]);
channelValuesDisplay = convertvectorqrealTofloat(chan2);
}
}
else {
channelValuesDisplay[m_d->channel1] = coordinates.x();
if (m_d->dimension == Dimensions::twodimensional) {
channelValuesDisplay[m_d->channel2] = coordinates.y();
}
}
for (int i=0; i<channelValues.size();i++) {
channelValues[i] = channelValuesDisplay[KoChannelInfo::displayPositionToChannelIndex(i, m_d->colorSpace->channels())]*(maxvalue[i]);
}
c.colorSpace()->fromNormalisedChannelsValue(c.data(), channelValues);
return c;
}
