void QwtPlotZoomer::zoom( const QRectF &rect )
{
if ( d_data->maxStackDepth >= 0 &&
int( d_data->zoomRectIndex ) >= d_data->maxStackDepth )
{
return;
}
const QRectF zoomRect = rect.normalized();
if ( zoomRect != d_data->zoomStack[d_data->zoomRectIndex] )
{
for ( uint i = d_data->zoomStack.count() - 1;
i > d_data->zoomRectIndex; i-- )
{
( void )d_data->zoomStack.pop();
}
d_data->zoomStack.push( zoomRect );
d_data->zoomRectIndex++;
rescale();
Q_EMIT zoomed( zoomRect );
}
}
/*!
\return Bounding rectangle of the data
\sa QwtPlotRasterItem::interval()
*/
QRectF QwtPlotRasterItem::boundingRect() const
{
const QwtInterval intervalX = interval( Qt::XAxis );
const QwtInterval intervalY = interval( Qt::YAxis );
if ( !intervalX.isValid() && !intervalY.isValid() )
return QRectF(); // no bounding rect
QRectF r;
if ( intervalX.isValid() )
{
r.setLeft( intervalX.minValue() );
r.setRight( intervalX.maxValue() );
}
else
{
r.setLeft(-0.5 * FLT_MAX);
r.setWidth(FLT_MAX);
}
if ( intervalY.isValid() )
{
r.setTop( intervalY.minValue() );
r.setBottom( intervalY.maxValue() );
}
else
{
r.setTop(-0.5 * FLT_MAX);
r.setHeight(FLT_MAX);
}
return r.normalized();
}
void ImageScene::mouseMoveEvent(QGraphicsSceneMouseEvent* in_mEvent) {
if (m_pPixmap == NULL) {
return;
}
qreal x = in_mEvent->scenePos().x(), y = in_mEvent->scenePos().y();
if ( x < m_pPixmap->offset().x() ) {
x = m_pPixmap->offset().x();
} else if ( x - m_pPixmap->offset().x() >= m_pPixmap->pixmap().rect().width() ) {
x = m_pPixmap->pixmap().rect().width() + m_pPixmap->offset().x() - 1;
}
if ( y < m_pPixmap->offset().y() ) {
y = m_pPixmap->offset().y();
} else if ( y - m_pPixmap->offset().y() >= m_pPixmap->pixmap().rect().height() ) {
y = m_pPixmap->pixmap().rect().height() + m_pPixmap->offset().y() - 1;
}
if (m_pSelection != NULL) {
QRectF rect;
rect.setCoords ( m_SelectionPosition.x(),
m_SelectionPosition.y(),
x,y );
m_pSelection->setRect ( rect.normalized());
} else {
m_pSelection = QGraphicsScene::addRect (x,y,0,0, m_SelectionPen, m_SelectionBrush);
m_pSelection->setParentItem (m_pPixmap);
m_SelectionPosition = m_pSelection->rect().topLeft();
}
if ( m_pSelection->rect().width() < 1 ||
m_pSelection->rect().height() < 1 )
{
m_pSelection->setVisible(false);
} else {
m_pSelection->setVisible(true);
}
}
TShape::TShape(const enum TShapeType ShapeType_, const QRectF &Rect_, const QString& Name_,
const unsigned FillColor_, const unsigned BorderColor_, const unsigned BorderWidth_)
: TGeometry(Name_), m_ShapeType(ShapeType_), m_FillColor(FillColor_),
m_BorderColor(BorderColor_), m_BorderWidth(BorderWidth_)
{
setGeometryType("Shape");
m_BoundingBoxF = Rect_.normalized();
m_TextPosition = Middle;
}
//! \brief Return bounding rectangle arround a wireline
QRectF WireLine::boundingRect() const
{
QRectF rect;
rect.setTopLeft(p1());
rect.setBottomRight(p2());
rect = rect.normalized();
rect.adjust(-m_adjust, -m_adjust, +m_adjust, +m_adjust);
return rect;
}
void CartesianRenderItem::paintRelations(QPainter *painter) {
QRectF normalRect = rect();
normalRect = normalRect.normalized();
painter->save();
painter->translate(normalRect.x(), normalRect.y());
foreach (RelationPtr relation, relationList()) {
//FIXME static_cast to kstvcurve and take advantage of extra api
CurveRenderContext context;
context.painter = painter;
context.window = QRect(); //no idea if this should be floating point
context.penWidth = painter->pen().width(); //floating point??
context.xLog = isXAxisLog();
context.yLog = isYAxisLog();
context.xLogBase = xLogBase();
context.yLogBase = yLogBase();
context.foregroundColor = painter->pen().color();
context.backgroundColor = painter->brush().color();
//FIXME rename these methods in kstvcurve
//FIXME Completely refactor KstCurveRenderContext now that we know what these are
//Set the projection box...
context.XMin = projectionRect().left();
context.XMax = projectionRect().right();
context.YMin = projectionRect().top();
context.YMax = projectionRect().bottom();
//Set the log box...
context.x_max = isXAxisLog() ? logXHi(context.XMax, context.xLogBase) : context.XMax;
context.y_max = isYAxisLog() ? logXHi(context.YMax, context.yLogBase) : context.YMax;
context.x_min = isXAxisLog() ? logXLo(context.XMin, context.xLogBase) : context.XMin;
context.y_min = isYAxisLog() ? logXLo(context.YMin, context.yLogBase) : context.YMin;
//These are the bounding box in regular QGV coord
context.Lx = plotRect().left();
context.Hx = plotRect().right();
context.Ly = plotRect().top();
context.Hy = plotRect().bottom();
//To convert between the last two...
double m_X = double(plotRect().width()-1)/(context.x_max - context.x_min);
double m_Y = -double(plotRect().height()-1)/(context.y_max - context.y_min);
double b_X = context.Lx - m_X * context.x_min;
double b_Y = context.Ly - m_Y * context.y_max;
context.m_X = m_X;
context.m_Y = m_Y;
context.b_X = b_X;
context.b_Y = b_Y;
relation->paint(context);
}
/*!
Transform a rectangle from paint to scale coordinates
\param xMap X map
\param yMap Y map
\param rect Rectangle in paint coordinates
\return Rectangle in scale coordinates
\sa transform()
*/
QRectF QwtScaleMap::invTransform( const QwtScaleMap &xMap,
const QwtScaleMap &yMap, const QRectF &rect )
{
const double x1 = xMap.invTransform( rect.left() );
const double x2 = xMap.invTransform( rect.right() - 1 );
const double y1 = yMap.invTransform( rect.top() );
const double y2 = yMap.invTransform( rect.bottom() - 1 );
const QRectF r( x1, y1, x2 - x1, y2 - y1 );
return r.normalized();
}
void MapHelperUniversal::move(const QRectF &rgn)
{
Q_D(MapHelperUniversal);
if (d->states.testFlag(stMove))
return;
MapSubHelperMove *sub = new MapSubHelperMove(d->map);
d->addSubhelper(sub);
if (!rgn.isEmpty())
sub->initData(rgn.normalized());
}
/***********************************************************************
*Funtion : Get the handle rect
*Return : QRectF handle rect.
*Parameter: handle id.
**********************************************************************/
QRectF SamDrawItemBase::getHandleRect(int iHandleID, QRectF &qrcBondingRect)
{
QRectF qrRect;
// get the center of the handle in logical coords
QPointF qpPoint = getHandle(iHandleID, qrcBondingRect);
/*Set the rect and normalize it*/
qrRect.setRect(qpPoint.rx()-SAMDRAW_TRACKER_POS_OFT, qpPoint.ry()-SAMDRAW_TRACKER_POS_OFT, SAMDRAW_TRACKER_SIZE, SAMDRAW_TRACKER_SIZE);
qrRect = qrRect.normalized();
return qrRect;
}
/**
* @brief GridItem::firstDataInterval Determins the first grid interval in data space.
*/
QRectF GridItem::firstDataInterval(QRectF dataRect) const
{
QSizeF interval(m_minDistance, m_minDistance);
interval = m_transform->sceneToData(interval);
interval = niceInterval(interval);
if (m_useManualInterval) {
interval.setWidth(std::max(m_manualInterval.width(), interval.width()));
interval.setHeight(std::max(m_manualInterval.height(), interval.height()));
}
QPointF start = intervalStart(dataRect.normalized().topLeft(), interval, QPointF());
return QRectF(start, interval);
}
void QgsLayoutItemGroup::attemptResize( const QgsLayoutSize &size, bool includesFrame )
{
if ( !mLayout )
return;
if ( !shouldBlockUndoCommands() )
mLayout->undoStack()->beginMacro( tr( "Resize Group" ) );
QRectF oldRect = rect();
QSizeF newSizeLayoutUnits = mLayout->convertToLayoutUnits( size );
QRectF newRect;
newRect.setSize( newSizeLayoutUnits );
//also resize all items within the group
for ( QgsLayoutItem *item : qgis::as_const( mItems ) )
{
if ( !item )
continue;
std::unique_ptr< QgsAbstractLayoutUndoCommand > command;
if ( !shouldBlockUndoCommands() )
{
command.reset( createCommand( QString(), 0 ) );
command->saveBeforeState();
}
QRectF itemRect = mapRectFromItem( item, item->rect() );
QgsLayoutUtils::relativeResizeRect( itemRect, oldRect, newRect );
itemRect = itemRect.normalized();
QPointF newPos = mapToScene( itemRect.topLeft() );
QgsLayoutSize itemSize = mLayout->convertFromLayoutUnits( itemRect.size(), item->sizeWithUnits().units() );
item->attemptResize( itemSize, includesFrame );
// translate new position to current item units
QgsLayoutPoint itemPos = mLayout->convertFromLayoutUnits( newPos, item->positionWithUnits().units() );
item->attemptMove( itemPos, false );
if ( command )
{
command->saveAfterState();
mLayout->undoStack()->push( command.release() );
}
}
QgsLayoutItem::attemptResize( size );
if ( !shouldBlockUndoCommands() )
mLayout->undoStack()->endMacro();
resetBoundingRect();
}
/**
* @brief GridItem::firstSceneInterval Determins the first grid interval in scene space
*/
QRectF GridItem::firstSceneInterval(QRectF sceneRect) const
{
QSizeF interval(m_minDistance, m_minDistance);
interval = m_transform->sceneToData(interval);
interval = niceInterval(interval);
if (m_useManualInterval) {
interval.setWidth(std::max(m_manualInterval.width(), interval.width()));
interval.setHeight(std::max(m_manualInterval.height(), interval.height()));
}
interval = m_transform->dataToScene(interval);
interval = QSizeF(std::fabs(interval.width()), std::fabs(interval.height()));
QPointF start = intervalStart(sceneRect.normalized().topLeft(), interval, m_transform->origin());
return QRectF(start, interval);
}
void LensItem::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
{
QRectF r = rect();
double dx = (mousePoint.x() - event->screenPos().x()) / scaling;
if (handle == 0)
{
QPointF tl = r.topLeft();
tl = tl - QPointF(dx, dx);
r.setTopLeft(tl);
setRect(r.normalized());
}
else if (handle == 1)
{
QPointF tl = r.topRight();
tl = tl - QPointF(dx, -dx);
r.setTopRight(tl);
setRect(r.normalized());
}
else if (handle == 2)
{
QPointF tl = r.bottomRight();
tl = tl - QPointF(dx, dx);
r.setBottomRight(tl);
setRect(r.normalized());
}
else if (handle == 3)
{
QPointF tl = r.bottomLeft();
tl = tl - QPointF(dx, -dx);
r.setBottomLeft(tl);
setRect(r.normalized());
}
else
QGraphicsItem::mouseMoveEvent(event);
mousePoint = event->screenPos();
dialog->lensSelected(this);
}
/*! Find a minimal rectangle that encapsulates the polygon. The
rectangle is returned in the QRectF object.
*/
QRectF Polygon2D::GetSurroundingRectangle() const
{
QRectF rc;
if(m_vecV.size()) {
Point2D pt1, pt2;
GetSurroundingRectangle(pt1, pt2);
rc.setCoords(
pt1.GetX(), pt2.GetY(), // left, top
pt2.GetX(), pt1.GetY() // right, bottom.
);
}
return rc.normalized();
}
/*!
\return Normalized bounding rectangle of the axes
\sa QwtPlot::autoReplot(), QwtPlot::replot().
*/
QRectF QwtPlotPicker::scaleRect() const
{
QRectF rect;
if ( plot() )
{
const QwtScaleDiv &xs = plot()->axisScaleDiv( xAxis() );
const QwtScaleDiv &ys = plot()->axisScaleDiv( yAxis() );
rect = QRectF( xs.lowerBound(), ys.lowerBound(),
xs.range(), ys.range() );
rect = rect.normalized();
}
return rect;
}
QRect CanvasBase::viewToCellCoordinates(const QRectF& viewRect) const
{
register Sheet * const sheet = activeSheet();
if (!sheet)
return QRect();
// NOTE Stefan: Do not consider the layout direction in this case.
const QRectF rect = viewConverter()->viewToDocument(viewRect.normalized()).translated(offset());
qreal tmp;
const int left = sheet->leftColumn(rect.left(), tmp);
const int right = sheet->rightColumn(rect.right());
const int top = sheet->topRow(rect.top(), tmp);
const int bottom = sheet->bottomRow(rect.bottom());
return QRect(left, top, right - left + 1, bottom - top + 1);
}
/**
* Draws a 3D cuboid by extending a 2D rectangle in the z-axis
*
* @param rect The rectangle to draw
* @param brush The brush fill the surfaces of the cuboid with
* @param pen The pen to draw the edges with
* @param props The 3D properties to use for drawing the cuboid
* @return The drawn cuboid as a polygon
*/
QPolygonF StockDiagram::Private::ThreeDPainter::drawThreeDRect( const QRectF &rect, const QBrush &brush,
const QPen &pen, const ThreeDProperties &props )
{
// Restores the painting properties when destroyed
PainterSaver painterSaver( painter );
// Make sure that the top really is the top
const QRectF normalizedRect = rect.normalized();
// Calculate all the four sides of the rectangle
const QLineF topSide = QLineF( normalizedRect.topLeft(), normalizedRect.topRight() );
const QLineF bottomSide = QLineF( normalizedRect.bottomLeft(), normalizedRect.bottomRight() );
const QLineF leftSide = QLineF( normalizedRect.topLeft(), normalizedRect.bottomLeft() );
const QLineF rightSide = QLineF( normalizedRect.topRight(), normalizedRect.bottomRight() );
QPolygonF drawnPolygon;
// Shorter names are easier on the eyes
const qreal angle = props.angle;
// Only top and right side is visible
if ( angle >= 0.0 && angle < 90.0 ) {
drawnPolygon = drawnPolygon.united( drawThreeDLine( topSide, brush, pen, props ) );
drawnPolygon = drawnPolygon.united( drawThreeDLine( rightSide, brush, pen, props ) );
// Only top and left side is visible
} else if ( angle >= 90.0 && angle < 180.0 ) {
drawnPolygon = drawnPolygon.united( drawThreeDLine( topSide, brush, pen, props ) );
drawnPolygon = drawnPolygon.united( drawThreeDLine( leftSide, brush, pen, props ) );
// Only bottom and left side is visible
} else if ( angle >= 180.0 && angle < 270.0 ) {
drawnPolygon = drawnPolygon.united( drawThreeDLine( bottomSide, brush, pen, props ) );
drawnPolygon = drawnPolygon.united( drawThreeDLine( leftSide, brush, pen, props ) );
// Only bottom and right side is visible
} else if ( angle >= 270.0 && angle <= 360.0 ) {
drawnPolygon = drawnPolygon.united( drawThreeDLine( bottomSide, brush, pen, props ) );
drawnPolygon = drawnPolygon.united( drawThreeDLine( rightSide, brush, pen, props ) );
}
// Draw the front side
painter->setPen( pen );
painter->setBrush( brush );
painter->drawRect( normalizedRect );
return drawnPolygon;
}
void setCornerRects( const QPainterPath &path )
{
QPointF pos( 0.0, 0.0 );
for ( int i = 0; i < path.elementCount(); i++ )
{
QPainterPath::Element el = path.elementAt(i);
switch( el.type )
{
case QPainterPath::MoveToElement:
case QPainterPath::LineToElement:
{
pos.setX( el.x );
pos.setY( el.y );
break;
}
case QPainterPath::CurveToElement:
{
QRectF r( pos, QPointF( el.x, el.y ) );
clipRects += r.normalized();
pos.setX( el.x );
pos.setY( el.y );
break;
}
case QPainterPath::CurveToDataElement:
{
if ( clipRects.size() > 0 )
{
QRectF r = clipRects.last();
r.setCoords(
qMin( r.left(), el.x ),
qMin( r.top(), el.y ),
qMax( r.right(), el.x ),
qMax( r.bottom(), el.y )
);
clipRects.last() = r.normalized();
}
break;
}
}
}
}
void BaseFrameGraphicsView::mouseReleaseEvent(QMouseEvent * event)
{
float scale, offset_x, offset_y;
this->computeScaleOffsets(scale, offset_x, offset_y);
qDebug() << "Release X : " << (event->pos().x()-offset_x)/scale << " Y : " << (event->pos().y()-offset_y)/scale;
if(event->button() == Qt::LeftButton)
{
if(!correct_bb && drag && !m_item_rect->isSelected())
{
QRectF rect = m_item_rect->rect();
emit sig_bb_set(rect);
rect.normalized();
drag = false;
}
}
QGraphicsView::mouseReleaseEvent(event);
}
void QgsMapCanvasItem::setRect( const QgsRectangle& rect )
{
mRect = rect;
//updatePosition();
QRectF r; // empty rect by default
if ( !mRect.isEmpty() )
{
r = toCanvasCoordinates( mRect.toRectF() );
r = r.normalized();
}
// set position in canvas where the item will have coordinate (0,0)
prepareGeometryChange();
setPos( r.topLeft() ); // TODO: compute from (0,0) using toMapCoordinates ?
mItemSize = QSizeF( r.width() + 2, r.height() + 2 );
// QgsDebugMsg(QString("[%1,%2]-[%3x%4]").arg((int) r.left()).arg((int) r.top()).arg((int) r.width()).arg((int) r.height()));
update();
}
MarkerItem::MarkerItem(const QRectF& Rect, int type, QGraphicsItem* parent):
QGraphicsItemGroup(parent), rect(Rect.normalized()), myType(type)
{
mode = Rectangle;
_isSinglePoint = false;
arrow = new ArrowItem(QLineF(rect.center(), rect.bottomRight()));
arrow->setArrowhead(ArrowHead::Start);
box = new RectItem(rect);
circle = new EllipseItem(rect);
arrow->setIsMarker(true);
box->setIsMarker(true);
circle->setIsMarker(true);
text = new SimpleTextItem("");
setFlag(QGraphicsItem::ItemIsSelectable);
addToGroup(arrow);
addToGroup(box);
addToGroup(circle);
addToGroup(text);
setType(type);
HasContainer = false;
}
void QgsMapCanvasItem::setRect( const QgsRectangle& rect )
{
mRect = rect;
//updatePosition();
QRectF r; // empty rect by default
if ( !mRect.isEmpty() )
{
r.setTopLeft( toCanvasCoordinates( QgsPoint( mRect.xMinimum(), mRect.yMinimum() ) ) );
r.setBottomRight( toCanvasCoordinates( QgsPoint( mRect.xMaximum(), mRect.yMaximum() ) ) );
r = r.normalized();
}
// set position in canvas where the item will have coordinate (0,0)
prepareGeometryChange();
setPos( r.topLeft() );
mItemSize = QSizeF( r.width() + 2, r.height() + 2 );
// QgsDebugMsg(QString("[%1,%2]-[%3x%4]").arg((int) r.left()).arg((int) r.top()).arg((int) r.width()).arg((int) r.height()));
update();
}
/*!
\return Bounding rectangle of the data
\sa QwtPlotRasterItem::interval()
*/
QRectF QwtPlotRasterItem::boundingRect() const
{
const QwtInterval intervalX = interval( Qt::XAxis );
const QwtInterval intervalY = interval( Qt::YAxis );
if ( !intervalX.isValid() && !intervalY.isValid() )
return QRectF(); // no bounding rect
QRectF r;
if ( intervalX.isValid() )
{
r.setLeft( intervalX.minValue() );
r.setRight( intervalX.maxValue() );
}
else
{
const float max = std::numeric_limits<float>::max();
r.setLeft( -0.5 * max );
r.setWidth( max );
}
if ( intervalY.isValid() )
{
r.setTop( intervalY.minValue() );
r.setBottom( intervalY.maxValue() );
}
else
{
const float max = std::numeric_limits<float>::max();
r.setTop( -0.5 * max );
r.setHeight( max );
}
return r.normalized();
}
static void qtmDrawRoundedRect(QPainter *p, const QRectF &rect, qreal xRadius, qreal yRadius,
Qt::SizeMode mode)
{
QRectF r = rect.normalized();
if (r.isNull())
return;
if (mode == Qt::AbsoluteSize) {
qreal w = r.width() / 2;
qreal h = r.height() / 2;
xRadius = 100 * qMin(xRadius, w) / w;
yRadius = 100 * qMin(yRadius, h) / h;
} else {
if (xRadius > 100) // fix ranges
xRadius = 100;
if (yRadius > 100)
yRadius = 100;
}
QPainterPath path;
if (xRadius <= 0 || yRadius <= 0) { // add normal rectangle
path.addRect(r);
} else {
qreal x = r.x();
qreal y = r.y();
qreal w = r.width();
qreal h = r.height();
qreal rxx2 = w*xRadius/100;
qreal ryy2 = h*yRadius/100;
#ifdef Q_WS_X11
// There is a bug (probably in arcTo) for small sizes.
// We use a rough linear approx.
rxx2 /= 4;
ryy2 /= 4;
path.moveTo(x+rxx2,y);
path.lineTo(x+w-rxx2, y);
path.lineTo(x+w, y+ryy2);
path.lineTo(x+w, y+h-ryy2);
path.lineTo(x+w-rxx2, y+h);
path.lineTo(x+rxx2, y+h);
path.lineTo(x, y+h-ryy2);
path.lineTo(x, y+ryy2);
path.closeSubpath();
#else
path.moveTo(x+rxx2,y);
path.arcMoveTo(x, y, rxx2, ryy2, 90);
path.arcTo(x, y, rxx2, ryy2, 90, 90);
path.arcTo(x, y+h-ryy2, rxx2, ryy2, 2*90, 90);
path.arcTo(x+w-rxx2, y+h-ryy2, rxx2, ryy2, 3*90, 90);
path.arcTo(x+w-rxx2, y, rxx2, ryy2, 0, 90);
path.closeSubpath();
#endif
}
p->drawPath(path);
}
void QcMultiSlider::paintEvent( QPaintEvent *e )
{
using namespace QtCollider::Style;
using QtCollider::Style::Ellipse;
using QtCollider::Style::RoundRect;
Q_UNUSED(e);
QPainter p(this);
p.setRenderHint( QPainter::Antialiasing, true );
RoundRect frame(rect(), 2);
drawSunken( &p, palette(), frame, background(), hasFocus() ? focusColor() : QColor() );
if( !_values.count() ) return;
p.setRenderHint( QPainter::Antialiasing, false );
bool horiz = ort == Qt::Horizontal;
QRect bounds( contentsRect() );
p.setClipRect( bounds );
if( horiz ) {
p.translate( bounds.topLeft() );
p.rotate(90);
p.scale(1.0, -1.0);
bounds.setSize( QSize( bounds.height(), bounds.width() ) );
}
else {
p.translate( bounds.left(), bounds.top() + bounds.height() );
p.scale(1.0, -1.0);
}
int count = _values.count() - startIndex;
double spacing, width, yscale;
spacing = elastic ? (double) bounds.width() / count : thumbSize.width() + gap;
width = elastic ? qMin( spacing, (double) thumbSize.width() ) : thumbSize.width();
yscale = bounds.height();
if( !isFilled ) yscale -= thumbSize.height();
const QColor & fillClr = fillColor();
// selection
if( highlight ) {
int i = _currentIndex - startIndex;
int c = qMin( count - i, _selectionSize );
if(c) {
QRect r;
r.setHeight( bounds.height() );
r.setWidth( c * spacing );
r.moveLeft( i * spacing );
QColor hlColor = fillClr;
hlColor.setAlpha( 70 );
p.fillRect( r, hlColor );
}
}
p.setPen( strokeColor() );
// lines
if( drawLines ) {
bool fill = isFilled & !drawRects;
p.save();
p.setRenderHint( QPainter::Antialiasing, true );
p.translate( spacing * 0.5, isFilled ? 0.0 : thumbSize.height() * 0.5 );
p.scale( 1.0, (qreal) yscale );
if( fill ) p.setBrush( fillClr );
QPainterPath path;
// value line
path.moveTo( 0, _values[startIndex] );
for( int i = 1; i < count; ++i )
path.lineTo( (qreal) i * spacing, _values[i + startIndex] );
// reference line
int refcount = _ref.count() - startIndex;
if( refcount > 0 || fill ) {
qreal x, y;
int i = count - 1;
x = i * spacing;
y = i < refcount ? _ref[i + startIndex] : 0.f;
if( fill ) path.lineTo(x, y);
else path.moveTo(x, y);
while( --i >= 0 ) {
x = i * spacing;
y = i < refcount ? _ref[i + startIndex] : 0.f;
path.lineTo(x, y);
}
if( fill ) path.closeSubpath();
}
p.drawPath( path );
p.restore();
}
// rects
if( drawRects ) {
p.setRenderHint( QPainter::Antialiasing, false );
p.translate( (spacing - width) * 0.5, 0 );
p.setBrush( fillClr );
QRectF r;
r.setWidth( width );
if( isFilled ) {
int refcount = _ref.count() - startIndex;
for( int i = 0; i < count; ++i ) {
int ref = (i < refcount ? _ref[i + startIndex] : 0.f) * yscale;
int val = _values[i + startIndex] * yscale;
r.moveLeft( i * spacing );
r.moveTop( ref );
r.setHeight( val - ref );
if(horiz) p.drawRect(r.normalized().adjusted(0,0,-1,-1));
else p.drawRect(r.normalized().adjusted(0,1,-1,0));
}
}
else {
r.setHeight( thumbSize.height() );
for( int i = 0; i < count; ++i ) {
r.moveLeft( i * spacing );
r.moveTop( _values[i + startIndex] * yscale );
if(horiz) p.drawRect(r.adjusted(0,0,-1,-1));
else p.drawRect(r.adjusted(0,1,-1,0));
}
}
}
}
QRectF GraphicsMultiLineItem::boundingRect() const {
QGraphicsPolygonItem dummy(myPoly);
int extra = 5;
QRectF rect = dummy.boundingRect();
return rect.normalized().adjusted(-extra, -extra, extra, extra);
}
static inline QPainterPath headerPath( const QRectF& r, int roundness,
int headerHeight = 10 )
{
QPainterPath path;
int xRnd = roundness;
int yRnd = roundness;
if( r.width() > r.height() )
{
xRnd = int ( roundness * r.height() / r.width() );
}
else
{
yRnd = int ( roundness * r.width() / r.height() );
}
if( xRnd >= 100 ) // fix ranges
{
xRnd = 99;
}
if( yRnd >= 100 )
{
yRnd = 99;
}
if( xRnd <= 0 || yRnd <= 0 ) // add normal rectangle
{
path.addRect( r );
return path;
}
QRectF rect = r.normalized();
if( rect.isNull() )
{
return path;
}
qreal x = rect.x();
qreal y = rect.y();
qreal w = rect.width();
qreal h = rect.height();
qreal rxx = w * xRnd / 200;
qreal ryy = h * yRnd / 200;
// were there overflows?
if( rxx < 0 )
{
rxx = w / 200 * xRnd;
}
if( ryy < 0 )
{
ryy = h / 200 * yRnd;
}
qreal rxx2 = 2 * rxx;
qreal ryy2 = 2 * ryy;
path.arcMoveTo( x, y, rxx2, ryy2, 90 );
path.arcTo( x, y, rxx2, ryy2, 90, 90 );
QPointF pt = path.currentPosition();
path.lineTo( x, pt.y() + headerHeight );
path.lineTo( x + w, pt.y() + headerHeight );
path.lineTo( x + w, pt.y() );
path.arcTo( x + w - rxx2, y, rxx2, ryy2, 0, 90 );
path.closeSubpath();
return path;
}