//------------------------------------------------------------------------------
// rgb2hsv() -- converts a Red, Gree, Blue (RGB) color value to an
// Hue, Saturation, Value (HSV) value.
//
// This code is based on '/usr/people/4Dgifts/iristools/libgutil/colormod.c'
//------------------------------------------------------------------------------
void Hsv::rgb2hsv(osg::Vec3& hsv, const osg::Vec3& rgb)
{
LCreal cmax = lcMax( rgb[RED], lcMax(rgb[GREEN],rgb[BLUE]) );
LCreal cmin = lcMin( rgb[RED], lcMin(rgb[GREEN],rgb[BLUE]) );
LCreal cdelta = cmax - cmin;
LCreal h = 0;
LCreal s = 0;
if ( cmax != 0.0 )
s = cdelta / cmax;
if ( s != 0.0 )
{
LCreal rc = (cmax - rgb[RED]) / cdelta;
LCreal gc = (cmax - rgb[GREEN]) / cdelta;
LCreal bc = (cmax - rgb[BLUE]) / cdelta;
if ( rgb[RED] == cmax )
h = bc - gc;
else if ( rgb[GREEN] == cmax )
h = 2.0f + rc - bc;
else if ( rgb[BLUE] == cmax )
h = 4.0f + gc - rc;
h *= 60.0f;
if ( h < 0.0 )
h += 360.0f;
}
hsv[HUE] = h;
hsv[VALUE] = cmax;
hsv[SATURATION] = s;
}
void lcTimelineWidget::ItemSelectionChanged()
{
lcArray<lcObject*> Selection;
lcStep LastStep = 1;
foreach (QTreeWidgetItem* PieceItem, selectedItems())
{
lcPiece* Piece = (lcPiece*)PieceItem->data(0, Qt::UserRole).value<uintptr_t>();
LastStep = lcMax(LastStep, Piece->GetStepShow());
Selection.Add(Piece);
}
void lcTimelineWidget::Update(bool Clear, bool UpdateItems)
{
if (mIgnoreUpdates)
return;
lcModel* Model = lcGetActiveModel();
if (!Model)
{
mItems.clear();
clear();
return;
}
bool Blocked = blockSignals(true);
if (Clear)
{
mItems.clear();
clear();
}
lcStep LastStep = lcMax(Model->GetLastStep(), Model->GetCurrentStep());
for (int TopLevelItemIdx = LastStep; TopLevelItemIdx < topLevelItemCount(); )
{
QTreeWidgetItem* StepItem = topLevelItem(TopLevelItemIdx);
while (StepItem->childCount())
{
QTreeWidgetItem* PieceItem = StepItem->child(0);
lcPiece* Piece = (lcPiece*)PieceItem->data(0, Qt::UserRole).value<uintptr_t>();
mItems.remove(Piece);
delete PieceItem;
}
delete StepItem;
}
for (unsigned int TopLevelItemIdx = topLevelItemCount(); TopLevelItemIdx < LastStep; TopLevelItemIdx++)
{
QTreeWidgetItem* StepItem = new QTreeWidgetItem(this, QStringList(tr("Step %1").arg(TopLevelItemIdx + 1)));
StepItem->setFlags(Qt::ItemIsEnabled | Qt::ItemIsDropEnabled);
addTopLevelItem(StepItem);
StepItem->setExpanded(true);
}
const lcArray<lcPiece*>& Pieces = Model->GetPieces();
QTreeWidgetItem* StepItem = NULL;
int PieceItemIndex = 0;
lcStep Step = 0;
for (int PieceIdx = 0; PieceIdx != Pieces.GetSize(); PieceIdx++)
{
lcPiece* Piece = Pieces[PieceIdx];
while (Step != Piece->GetStepShow())
{
if (StepItem)
{
while (PieceItemIndex < StepItem->childCount())
{
QTreeWidgetItem* PieceItem = StepItem->child(PieceItemIndex);
lcPiece* RemovePiece = (lcPiece*)PieceItem->data(0, Qt::UserRole).value<uintptr_t>();
if (Pieces.FindIndex(RemovePiece) == -1)
{
mItems.remove(RemovePiece);
delete PieceItem;
}
else
{
PieceItem->parent()->removeChild(PieceItem);
topLevelItem(RemovePiece->GetStepShow() - 1)->addChild(PieceItem);
}
}
}
Step++;
StepItem = topLevelItem(Step - 1);
PieceItemIndex = 0;
}
QTreeWidgetItem* PieceItem = mItems.value(Piece);
bool UpdateItem = UpdateItems;
if (!PieceItem)
{
PieceItem = new QTreeWidgetItem();
PieceItem->setFlags(Qt::ItemIsSelectable | Qt::ItemIsEnabled | Qt::ItemIsDragEnabled);
PieceItem->setData(0, Qt::UserRole, qVariantFromValue<uintptr_t>((uintptr_t)Piece));
StepItem->insertChild(PieceItemIndex, PieceItem);
mItems[Piece] = PieceItem;
UpdateItem = true;
}
else
{
if (PieceItemIndex >= StepItem->childCount() || PieceItem != StepItem->child(PieceItemIndex))
{
QTreeWidgetItem* PieceParent = PieceItem->parent();
if (PieceParent)
PieceParent->removeChild(PieceItem);
StepItem->insertChild(PieceItemIndex, PieceItem);
}
}
if (UpdateItem)
{
PieceItem->setText(0, Piece->mPieceInfo->m_strDescription);
int ColorIndex = Piece->mColorIndex;
if (!mIcons.contains(ColorIndex))
{
int Size = rowHeight(indexFromItem(PieceItem));
QImage Image(Size, Size, QImage::Format_ARGB32);
Image.fill(QColor::fromRgbF(1.0, 1.0, 1.0, 0.0));
float* Color = gColorList[ColorIndex].Value;
QPainter Painter(&Image);
Painter.setPen(Qt::NoPen);
Painter.setBrush(QColor::fromRgbF(Color[0], Color[1], Color[2]));
Painter.drawEllipse(QPoint(Size / 2, Size / 2), Size / 2, Size / 2);
mIcons[ColorIndex] = QIcon(QPixmap::fromImage(Image));
}
PieceItem->setIcon(0, mIcons[ColorIndex]);
QColor Color = palette().text().color();
if (Piece->IsHidden())
Color.setAlpha(128);
PieceItem->setTextColor(0, Color);
}
PieceItem->setSelected(Piece->IsSelected());
PieceItemIndex++;
}
if (Step == 0)
{
Step = 1;
StepItem = topLevelItem(0);
}
while (Step <= LastStep)
{
while (PieceItemIndex < StepItem->childCount())
{
QTreeWidgetItem* PieceItem = StepItem->child(PieceItemIndex);
lcPiece* RemovePiece = (lcPiece*)PieceItem->data(0, Qt::UserRole).value<uintptr_t>();
mItems.remove(RemovePiece);
delete PieceItem;
}
Step++;
StepItem = topLevelItem(Step - 1);
PieceItemIndex = 0;
}
blockSignals(Blocked);
}
