void KisColorSelector::mouseMoveEvent(QMouseEvent* event)
{
QPointF dragPos = mapCoord(event->posF(), m_renderArea);
qint8 clickedLightPiece = getLightIndex(event->posF());
if (clickedLightPiece >= 0) {
setLight(getLight(event->posF()), m_relativeLight);
m_selectedLightPiece = clickedLightPiece;
setSelectedColor(m_selectedColor, m_selectedColorIsFgColor, true);
}
if (m_clickedRing < 0)
return;
if (getNumPieces() > 1) {
float angle = std::atan2(dragPos.x(), dragPos.y()) - std::atan2(m_clickPos.x(), m_clickPos.y());
float dist = std::sqrt(dragPos.x()*dragPos.x() + dragPos.y()*dragPos.y()) * 0.80f;
float threshold = 5.0f * (1.0f-(dist*dist));
if (qAbs(angle * TO_DEG) >= threshold || m_mouseMoved) {
bool selectedRingMoved = true;
if (m_pressedButtons & Qt::RightButton) {
selectedRingMoved = m_clickedRing == m_selectedRing;
m_colorRings[m_clickedRing].angle = m_colorRings[m_clickedRing].tmpAngle + angle;
}
else for(int i=0; i<getNumRings(); ++i)
m_colorRings[i].angle = m_colorRings[i].tmpAngle + angle;
if (selectedRingMoved) {
KisColor color = m_colorRings[m_clickedRing].tmpColor;
Radian angle = m_colorRings[m_clickedRing].getMovedAngel() + (color.getH()*PI2);
color.setH(angle.scaled(0.0f, 1.0f));
color.setX(getLight(m_light, color.getH(), m_relativeLight));
m_selectedPiece = getHueIndex(angle, m_colorRings[m_clickedRing].getShift());
setSelectedColor(color, m_selectedColorIsFgColor, true);
}
m_mouseMoved = true;
}
}
else {
Radian angle = std::atan2(dragPos.x(), dragPos.y()) - RAD_90;
m_selectedColor.setH(angle.scaled(0.0f, 1.0f));
m_selectedColor.setX(getLight(m_light, m_selectedColor.getH(), m_relativeLight));
setSelectedColor(m_selectedColor, m_selectedColorIsFgColor, true);
}
update();
}
void KisColorSelector::mousePressEvent(QMouseEvent* event)
{
m_clickPos = mapCoord(event->posF(), m_renderArea);
m_mouseMoved = false;
m_pressedButtons = event->buttons();
m_clickedRing = getSaturationIndex(m_clickPos);
qint8 clickedLightPiece = getLightIndex(event->posF());
if (clickedLightPiece >= 0) {
setLight(getLight(event->posF()), m_relativeLight);
m_selectedLightPiece = clickedLightPiece;
setSelectedColor(m_selectedColor, !(m_pressedButtons & Qt::RightButton), true);
m_mouseMoved = true;
}
else if (m_clickedRing >= 0) {
if (getNumPieces() > 1) {
for(int i=0; i<getNumRings(); ++i)
m_colorRings[i].setTemporaries(m_selectedColor);
}
else {
Radian angle = std::atan2(m_clickPos.x(), m_clickPos.y()) - RAD_90;
m_selectedColor.setH(angle.scaled(0.0f, 1.0f));
m_selectedColor.setS(getSaturation(m_clickedRing));
m_selectedColor.setX(getLight(m_light, m_selectedColor.getH(), m_relativeLight));
setSelectedColor(m_selectedColor, !(m_pressedButtons & Qt::RightButton), true);
m_selectedRing = m_clickedRing;
m_mouseMoved = true;
update();
}
}
}
void KisColorSelector::mouseReleaseEvent(QMouseEvent* /*event*/)
{
if (!m_mouseMoved && m_clickedRing >= 0) {
Radian angle = std::atan2(m_clickPos.x(), m_clickPos.y()) - RAD_90;
m_selectedRing = m_clickedRing;
m_selectedPiece = getHueIndex(angle, m_colorRings[m_clickedRing].getShift());
if (getNumPieces() > 1)
m_selectedColor.setH(getHue(m_selectedPiece, m_colorRings[m_clickedRing].getShift()));
else
m_selectedColor.setH(angle.scaled(0.0f, 1.0f));
m_selectedColor.setS(getSaturation(m_selectedRing));
m_selectedColor.setX(getLight(m_light, m_selectedColor.getH(), m_relativeLight));
setSelectedColor(m_selectedColor, !(m_pressedButtons & Qt::RightButton));
}
else if (m_mouseMoved)
setSelectedColor(m_selectedColor, m_selectedColorIsFgColor);
m_clickedRing = -1;
update();
}
qreal KisColorSelector::getHue(int hueIdx, Radian shift) const
{
Radian hue = (qreal(hueIdx) / qreal(getNumPieces())) * PI2;
hue += shift;
return hue.scaled(0.0f, 1.0f);
}
qint8 KisColorSelector::getHueIndex(Radian hue, Radian shift) const
{
hue -= shift;
qreal partSize = 1.0 / qreal(getNumPieces());
return qint8(qRound(hue.scaled(0.0f, 1.0f) / partSize) % getNumPieces());
}
