void transform(const quint8 *srcU8, quint8 *dstU8, qint32 nPixels) const
{
KisColorBalanceMath *bal = new KisColorBalanceMath();
const RGBPixel* src = reinterpret_cast<const RGBPixel*>(srcU8);
RGBPixel* dst = reinterpret_cast<RGBPixel*>(dstU8);
float value_red, value_green, value_blue, hue, saturation, lightness;
while(nPixels > 0) {
float red = SCALE_TO_FLOAT(src->red);
float green = SCALE_TO_FLOAT(src->green);
float blue = SCALE_TO_FLOAT(src->blue);
RGBToHSL(red, green, blue, &hue, &saturation, &lightness);
value_red = bal->colorBalanceTransform(red, lightness, m_cyan_shadows, m_cyan_midtones, m_cyan_highlights);
value_green = bal->colorBalanceTransform(green, lightness, m_magenta_shadows, m_magenta_midtones, m_magenta_highlights);
value_blue = bal->colorBalanceTransform(blue, lightness, m_yellow_shadows, m_yellow_midtones, m_yellow_highlights);
if(m_preserve_luminosity)
{
float h1, s1, l1, h2, s2, l2;
RGBToHSL(SCALE_TO_FLOAT(src->red), SCALE_TO_FLOAT(src->green), SCALE_TO_FLOAT(src->blue), &h1, &s1, &l1);
RGBToHSL(value_red, value_green, value_blue, &h2, &s2, &l2);
HSLToRGB(h2, s2, l1, &value_red, &value_green, &value_blue);
}
dst->red = SCALE_FROM_FLOAT(value_red);
dst->green = SCALE_FROM_FLOAT(value_green);
dst->blue = SCALE_FROM_FLOAT(value_blue);
dst->alpha = src->alpha;
--nPixels;
++src;
++dst;
}
}
void CColour::SetHSL(int h,int s,int l)
{
double hd = (h / 240.0);
double sd = (s / 240.0);
double ld = (l / 240.0);
double r,g,b;
HSLToRGB(hd,sd,ld,r,g,b);
SetRGB((int)(r*255.0),(int)(g*255.0),(int)(b*255.0));
}
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;
}
void transform(const quint8 *srcU8, quint8 *dstU8, qint32 nPixels) const
{
//if (m_model="RGBA" || m_colorize) {
/*It'd be nice to have LCH automatically selector for LAB in the future, but I don't know how to select LAB
* */
const RGBPixel* src = reinterpret_cast<const RGBPixel*>(srcU8);
RGBPixel* dst = reinterpret_cast<RGBPixel*>(dstU8);
float h, s, v, r, g, b;
qreal lumaR, lumaG, lumaB;
//Default to rec 709 when there's no coefficients given//
if (m_lumaRed<=0 || m_lumaGreen<=0 || m_lumaBlue<=0) {
lumaR = 0.2126;
lumaG = 0.7152;
lumaB = 0.0722;
} else {
lumaR = m_lumaRed;
lumaG = m_lumaGreen;
lumaB = m_lumaBlue;
}
while (nPixels > 0) {
if (m_colorize) {
h = m_adj_h * 360;
if (h >= 360.0) h = 0;
s = m_adj_s;
r = SCALE_TO_FLOAT(src->red);
g = SCALE_TO_FLOAT(src->green);
b = SCALE_TO_FLOAT(src->blue);
float luminance = r * lumaR + g * lumaG + b * lumaB;
if (m_adj_v > 0) {
luminance *= (1.0 - m_adj_v);
luminance += 1.0 - (1.0 - m_adj_v);
}
else if (m_adj_v < 0 ){
luminance *= (m_adj_v + 1.0);
}
v = luminance;
HSLToRGB(h, s, v, &r, &g, &b);
}
else {
if (m_type == 0) {
RGBToHSV(SCALE_TO_FLOAT(src->red), SCALE_TO_FLOAT(src->green), SCALE_TO_FLOAT(src->blue), &h, &s, &v);
h += m_adj_h * 180;
if (h > 360) h -= 360;
if (h < 0) h += 360;
s += m_adj_s;
v += m_adj_v;
HSVToRGB(h, s, v, &r, &g, &b);
} else if (m_type == 1) {
RGBToHSL(SCALE_TO_FLOAT(src->red), SCALE_TO_FLOAT(src->green), SCALE_TO_FLOAT(src->blue), &h, &s, &v);
h += m_adj_h * 180;
if (h > 360) h -= 360;
if (h < 0) h += 360;
s *= (m_adj_s + 1.0);
if (s < 0.0) s = 0.0;
if (s > 1.0) s = 1.0;
if (m_adj_v < 0)
v *= (m_adj_v + 1.0);
else
v += (m_adj_v * (1.0 - v));
HSLToRGB(h, s, v, &r, &g, &b);
} else if (m_type == 2){
qreal red = SCALE_TO_FLOAT(src->red);
qreal green = SCALE_TO_FLOAT(src->green);
qreal blue = SCALE_TO_FLOAT(src->blue);
qreal hue, sat, intensity;
RGBToHCI(red, green, blue, &hue, &sat, &intensity);
hue *=360.0;
hue += m_adj_h * 180;
//if (intensity+m_adj_v>1.0){hue+=180.0;}
if (hue < 0) hue += 360;
hue = fmod(hue, 360.0);
sat *= (m_adj_s + 1.0);
//sat = qBound(0.0, sat, 1.0);
intensity += (m_adj_v);
HCIToRGB(hue/360.0, sat, intensity, &red, &green, &blue);
r = red;
g = green;
b = blue;
} else if (m_type == 3){
qreal red = SCALE_TO_FLOAT(src->red);
qreal green = SCALE_TO_FLOAT(src->green);
qreal blue = SCALE_TO_FLOAT(src->blue);
qreal hue, sat, luma;
RGBToHCY(red, green, blue, &hue, &sat, &luma, lumaR, lumaG, lumaB);
hue *=360.0;
hue += m_adj_h * 180;
//if (luma+m_adj_v>1.0){hue+=180.0;}
if (hue < 0) hue += 360;
hue = fmod(hue, 360.0);
sat *= (m_adj_s + 1.0);
//sat = qBound(0.0, sat, 1.0);
luma += m_adj_v;
HCYToRGB(hue/360.0, sat, luma, &red, &green, &blue, lumaR, lumaG, lumaB);
r = red;
g = green;
b = blue;
} else if (m_type == 4){
qreal red = SCALE_TO_FLOAT(src->red);
qreal green = SCALE_TO_FLOAT(src->green);
qreal blue = SCALE_TO_FLOAT(src->blue);
qreal y, cb, cr;
RGBToYUV(red, green, blue, &y, &cb, &cr, lumaR, lumaG, lumaB);
cb *= (m_adj_h + 1.0);
//cb = qBound(0.0, cb, 1.0);
cr *= (m_adj_s + 1.0);
//cr = qBound(0.0, cr, 1.0);
y += (m_adj_v);
YUVToRGB(y, cb, cr, &red, &green, &blue, lumaR, lumaG, lumaB);
r = red;
g = green;
b = blue;
}
}
clamp< _channel_type_ >(&r, &g, &b);
dst->red = SCALE_FROM_FLOAT(r);
dst->green = SCALE_FROM_FLOAT(g);
dst->blue = SCALE_FROM_FLOAT(b);
dst->alpha = src->alpha;
--nPixels;
++src;
++dst;
}
/*} else if (m_model="LABA"){
const LABPixel* src = reinterpret_cast<const LABPixel*>(srcU8);
LABPixel* dst = reinterpret_cast<LABPixel*>(dstU8);
qreal lightness = SCALE_TO_FLOAT(src->L);
qreal a = SCALE_TO_FLOAT(src->a);
qreal b = SCALE_TO_FLOAT(src->b);
qreal L, C, H;
while (nPixels > 0) {
if (m_type = 4) {
a *= (m_adj_h + 1.0);
a = qBound(0.0, a, 1.0);
b *= (m_adj_s + 1.0);
b = qBound(0.0, b, 1.0);
if (m_adj_v < 0)
lightness *= (m_adj_v + 1.0);
else
lightness += (m_adj_v * (1.0 - lightness));
} else {//lch
LABToLCH(lightness, a, b, &L, &C, &H);
H *=360;
H += m_adj_h * 180;
if (H > 360) h -= 360;
if (H < 0) h += 360;
C += m_adj_s;
C = qBound(0.0,C,1.0);
L += m_adj_v;
L = qBound(0.0,L,1.0);
LCHToLAB(L, C, H/360.0, &lightness, &a, &b);
}
clamp< _channel_type_ >(&lightness, &a, &b);
dst->L = SCALE_FROM_FLOAT(lightness);
dst->a = SCALE_FROM_FLOAT(a);
dst->b = SCALE_FROM_FLOAT(b);
dst->alpha = src->alpha;
--nPixels;
++src;
++dst;
}
}*/
}
