QRectF ObjectGroup::objectsBoundingRect() const
{
QRectF boundingRect;
foreach (const MapObject *object, mObjects)
boundingRect = boundingRect.united(object->bounds());
return boundingRect;
}
static QRectF calculate_extent(QRectF r)
{
// 确保image的大小，从左上角的(0,0)位置位起点。
return r.united(QRectF(0, 0, 1, 1));
// 测试的范围
//return QRectF(0, 0, 1000, 10000);
}
void TemplateSCgObjectsBuilder::buildObjects(const TypeToObjectsMap& objects)
{
mDecoratedBuilder->buildObjects(objects);
QList<SCgObject*> l = mDecoratedBuilder->objects();
foreach(SCgObject* obj, l)
if(! obj->parentItem())
obj->setDead(true);
QRectF bounds;
foreach(SCgObject* obj, l)
bounds = bounds.united(obj->sceneBoundingRect());
foreach(SCgObject* obj, l)
{
if(! obj->parentItem())
obj->setPos(obj->scenePos() - bounds.topLeft());
}
foreach(SCgObject* obj, l)
{
if( obj->type() == QGraphicsItem::UserType + 3 ) // type SCgPair
obj->positionChanged();
}
}
void QgsComposerArrow::setSceneRect( const QRectF& rectangle )
{
//update rect for data defined size and position
QRectF evaluatedRect = evalItemRect( rectangle );
if ( evaluatedRect.width() < 0 )
{
mStartXIdx = 1 - mStartXIdx;
}
if ( evaluatedRect.height() < 0 )
{
mStartYIdx = 1 - mStartYIdx;
}
double margin = computeMarkerMargin();
// Ensure the rectangle is at least as large as needed to include the markers
QRectF rect = rectangle.united( QRectF( evaluatedRect.x(), evaluatedRect.y(), 2. * margin, 2. * margin ) );
// Compute new start and stop positions
double x[2] = {rect.x(), rect.x() + rect.width()};
double y[2] = {rect.y(), rect.y() + rect.height()};
double xsign = x[mStartXIdx] < x[1 - mStartXIdx] ? 1.0 : -1.0;
double ysign = y[mStartYIdx] < y[1 - mStartYIdx] ? 1.0 : -1.0;
mStartPoint = QPointF( x[mStartXIdx] + xsign * margin, y[mStartYIdx] + ysign * margin );
mStopPoint = QPointF( x[1 - mStartXIdx] - xsign * margin, y[1 - mStartYIdx] - ysign * margin );
QgsComposerItem::setSceneRect( rect );
}
void MFreestyleLayoutPolicy::relayout()
{
Q_D(MFreestyleLayoutPolicy);
QPointF topLeft = contentsArea().topLeft();
QList<QRectF> new_geometries;
const int size = count();
for (int i = 0; i < size; ++i) {
new_geometries << itemGeometry(i);
d->placeItem(i, new_geometries, topLeft, contentsArea().width());
}
QRectF area = contentsArea();
for (int i = 0; i < size; ++i) {
area = area.united(new_geometries.at(i));
setItemGeometry(i, new_geometries.at(i));
}
//if we have moved items outside of the bounding box, we need to invalidate the layout
//causing another relayout, but we have to be careful that we don't end up in an
//infinite loop because of this.
if (area.isValid() && !contentsArea().adjusted(-0.0000001, -0.0000001, 0.0000001, 0.0000001).contains(area)) //adjust for rounding errors
updateGeometry();
}
QSizeF MFreestyleLayoutPolicy::sizeHint(Qt::SizeHint which, const QSizeF &constraint) const
{
Q_D(const MFreestyleLayoutPolicy);
if (which == Qt::MaximumSize) {
// maximum size is the QWIDGETSIZE_MAX
QSizeF new_size = constraint;
if (new_size.width() < 0)
new_size.setWidth(QWIDGETSIZE_MAX);
if (new_size.height() < 0)
new_size.setHeight(QWIDGETSIZE_MAX);
return new_size;
}
// minimum and preferred size of a layout is the bounding box of the children
int i = count();
QRectF boundingBox;
while (--i >= 0) {
// iterate through children
boundingBox = boundingBox.united(itemGeometry(i));
}
qreal right, bottom;
d->layout->getContentsMargins(NULL, NULL, &right, &bottom);
return QSizeF(boundingBox.right() + right - d->layout->geometry().left(), boundingBox.bottom() + bottom - d->layout->geometry().top());
}
QRectF QgsLayout::pageItemBounds( int page, bool visibleOnly ) const
{
//start with an empty rectangle
QRectF bounds;
//add all QgsLayoutItems on page
const QList<QGraphicsItem *> itemList = items();
for ( QGraphicsItem *item : itemList )
{
const QgsLayoutItem *layoutItem = dynamic_cast<const QgsLayoutItem *>( item );
if ( layoutItem && layoutItem->type() != QgsLayoutItemRegistry::LayoutPage && layoutItem->page() == page )
{
if ( visibleOnly && !layoutItem->isVisible() )
continue;
//expand bounds with current item's bounds
if ( bounds.isValid() )
bounds = bounds.united( item->sceneBoundingRect() );
else
bounds = item->sceneBoundingRect();
}
}
return bounds;
}
QRectF ShadowEffect::boundingRectFor(const QRectF &rect) const
{
qreal padding = m_blurRadius * 2;
return rect.united(
rect.translated(m_xOffset, m_yOffset)
.adjusted(-padding, -padding, padding, padding)
);
}
QRectF CopyFilterGUIConnectionItem::boundingRect() const
{
QRectF rect = QGraphicsLineItem::boundingRect();
QPointF p2 = line().p2();
QRectF rect2 = QRectF(p2.x() - maxArrowSize, p2.y() - maxArrowSize, 2 * maxArrowSize, 2 * maxArrowSize);
return rect.united(rect2);
}
void RuntimeController::Private::updateActiveRegion()
{
Configuration configuration = q->activeConfiguration();
// Calculate the bounding rect of all states in that are currently active
QRectF activeRegion;
foreach (State* state, configuration) {
activeRegion = activeRegion.united(state->boundingRect());
}
void StitcherWorkspace::onStitchClicked() {
QList<QGraphicsItem *> it = _stitcherView->items();
if(it.size() < 2) {
return;
}
QRectF combined;
for(int i = 0; i < it.size(); i++) {
if(QString("ImageItem") == it[i]->data(0)) {
/* we have an image item */
ImageItem * ii = qgraphicsitem_cast<ImageItem *>(it[i]);
combined = combined.united(ii->sceneBoundingRect());
}
}
/* we're gonna assume they all have the same scaling */
combined = _stitcherView->selectedImage()->mapRectFromScene(combined);
qDebug("Combined with relative positions:");
Image * a = sp_image_alloc(combined.width(),combined.height(),1);
for(int i = 0; i < it.size(); i++) {
if(QString("ImageItem") == it[i]->data(0)) {
QPointF p = it[i]->mapToScene(0,0);
QPointF local_p = _stitcherView->selectedImage()->mapFromScene(p);
qDebug("x = %f y = %f",local_p.x()-combined.x(),local_p.y()-combined.y());
}
}
for(int x = 0; x<sp_image_x(a); x++) {
for(int y = 0; y<sp_image_y(a); y++) {
int mask = 0;
Complex value = sp_cinit(0,0);
QPointF p = _stitcherView->selectedImage()->mapToScene(QPointF(combined.x()+x,combined.y()+y));
for(int i = 0; i < it.size(); i++) {
if(QString("ImageItem") == it[i]->data(0)) {
/* we have an image item */
ImageItem * ii = qgraphicsitem_cast<ImageItem *>(it[i]);
QPointF local_p = it[i]->mapFromScene(p);
if(it[i]->contains(local_p)) {
/* we're in business */
value = sp_cadd(value,sp_image_get(ii->getImage(),local_p.x(),local_p.y(),0));
mask++;
}
}
}
if(mask) {
sp_cscale(value,1.0/mask);
}
a->detector->image_center[0] = -combined.x();
a->detector->image_center[1] = -combined.y();
a->detector->image_center[2] = 0;
sp_image_set(a,x,y,0,value);
sp_image_mask_set(a,x,y,0,mask);
}
}
ImageItem * item = new ImageItem(a,QString(),_stitcherView,NULL);
_stitcherView->addImage(item);
item->update();
}
void ChatLog::updateMultiSelectionRect()
{
if (selectionMode == Multi && selFirstRow >= 0 && selLastRow >= 0)
{
QRectF selBBox;
selBBox = selBBox.united(lines[selFirstRow]->sceneBoundingRect());
selBBox = selBBox.united(lines[selLastRow]->sceneBoundingRect());
if (selGraphItem->rect() != selBBox)
scene->invalidate(selGraphItem->rect());
selGraphItem->setRect(selBBox);
selGraphItem->show();
}
else
{
selGraphItem->hide();
}
}
QRectF PolyQtAnnotation::boundingRect() const {
QRectF bRect;
if (_annotation) {
QRectF cpRect = _currentPath.controlPointRect();
QPointF tl = cpRect.topLeft() - QPointF(3 * _lineAnnotationSelectedThickness, 3 * _lineAnnotationSelectedThickness);
QPointF br = cpRect.bottomRight() + QPointF(3 * _lineAnnotationSelectedThickness, 3 * _lineAnnotationSelectedThickness);
bRect = bRect.united(QRectF(tl, br));
}
return bRect;
}
QRectF UBGraphicsProtractor::boundingRect() const
{
QPointF center = rect().center();
qreal centerX = center.x();
qreal centerY = center.y();
QRectF bounds = resizeButtonRect().adjusted(centerX, centerY, centerX, centerY);
bounds = bounds.united(closeButtonRect().adjusted(centerX, centerY, centerX, centerY));
bounds = bounds.united(resetButtonRect().adjusted(centerX, centerY, centerX, centerY));
QTransform t;
t.translate(centerX, centerY);
t.rotate(-mStartAngle);
t.translate(-centerX, -centerY);
bounds = t.mapRect(bounds);
bounds = bounds.united(QGraphicsEllipseItem::boundingRect());
return bounds;
}
QRectF NonPdfCropping::frameRect () const
{
// The x(), y(), pos(), rect() and boundingRect() will return coordinates assuming origin at the initial position of
// each handle. So to get the coordinates in the window reference frame it takes a two step process like
// QGraphicsRectItem::mapRectToScene (QGraphicsRectItem::rect())
QRectF rectTL = m_handleTL->mapRectToScene (m_handleTL->boundingRect());
QRectF rectBR = m_handleBR->mapRectToScene (m_handleBR->boundingRect());
QRectF rectUnited = rectTL.united (rectBR);
return rectUnited;
}
QRectF KoShapeLayer::boundingRect() const
{
QRectF bb;
Q_FOREACH (KoShape* shape, shapes()) {
if (bb.isEmpty())
bb = shape->boundingRect();
else
bb = bb.united(shape->boundingRect());
}
return bb;
}
QRectF QgsFillSymbolV2::polygonBounds( const QPolygonF& points, const QList<QPolygonF>* rings ) const
{
QRectF bounds = points.boundingRect();
if ( rings )
{
QList<QPolygonF>::const_iterator it = rings->constBegin();
for ( ; it != rings->constEnd(); ++it )
{
bounds = bounds.united(( *it ).boundingRect() );
}
}
return bounds;
}
QRectF DrawViewCollection::getRect() const
{
QRectF result;
for (auto& v:Views.getValues()) {
TechDraw::DrawView *view = dynamic_cast<TechDraw::DrawView *>(v);
if (!view) {
throw Base::Exception("DrawViewCollection::getRect bad View\n");
}
result = result.united(view->getRect().translated(view->X.getValue(),view->Y.getValue()));
}
return QRectF(0,0,Scale.getValue() * result.width(),Scale.getValue() * result.height());
}
//!
//! Changes the viewing transformation so that the selected items are visible
//! at maximum zoom level.
//!
void BaseGraphicsView::frameSelected ()
{
// make sure there is a selection
QList<QGraphicsItem *> selectedItems = scene()->selectedItems();
if (selectedItems.size() == 0)
return;
// obtain the bounding rectangle that encompasses all selected items
QRectF boundingRect;
foreach (QGraphicsItem *item, selectedItems)
boundingRect = boundingRect.united(item->sceneBoundingRect());
frame(boundingRect);
}
FlipMapObjects::FlipMapObjects(MapDocument *mapDocument,
const QList<MapObject *> &mapObjects,
FlipDirection flipDirection)
: mMapDocument(mapDocument)
, mMapObjects(mapObjects)
, mFlipDirection(flipDirection)
{
setText(QCoreApplication::translate("Undo Commands",
"Flip %n Object(s)",
nullptr, mapObjects.size()));
//computing objects center
QRectF boundaryObjectsRect;
for (MapObject *object : mMapObjects) {
QTransform objectTransform;
objectTransform.translate(object->x(), object->y());
objectTransform.rotate(object->rotation());
objectTransform.translate(-object->x(), -object->y());
if (!object->cell().isEmpty()) { //computing bound rect for cell
QRectF cellRect = QRectF(object->x(),
object->y(),
object->width(), -object->height()).normalized();
boundaryObjectsRect = boundaryObjectsRect.united(objectTransform.mapRect(cellRect));
} else if (!object->polygon().empty()) { //computing bound rect for polygon
const QPolygonF &objectPolygon = object->polygon();
QTransform polygonToMapTransform;
polygonToMapTransform.translate(object->x(),
object->y());
polygonToMapTransform.rotate(object->rotation());
boundaryObjectsRect = boundaryObjectsRect.united(polygonToMapTransform.mapRect(QRectF(objectPolygon.boundingRect())));
} else { //computing bound rect for other
boundaryObjectsRect = boundaryObjectsRect.united(objectTransform.mapRect(object->bounds()));
}
}
mObjectsCenter = boundaryObjectsRect.center();
}
QRectF QGIView::customChildrenBoundingRect() {
QList<QGraphicsItem*> children = childItems();
int dimItemType = QGraphicsItem::UserType + 106; // TODO: Magic number warning.
int borderItemType = QGraphicsItem::UserType + 136; // TODO: Magic number warning
int labelItemType = QGraphicsItem::UserType + 135; // TODO: Magic number warning
QRectF result;
for (QList<QGraphicsItem*>::iterator it = children.begin(); it != children.end(); ++it) {
if ( ((*it)->type() != dimItemType) &&
((*it)->type() != borderItemType) &&
((*it)->type() != labelItemType) ) {
result = result.united((*it)->boundingRect());
}
}
return result;
}
void KateTextAnimation::nextFrame(qreal value)
{
// cache previous rect for update
const QRectF prevRect = rectForText();
m_value = value;
// next rect is used to draw the text
const QRectF nextRect = rectForText();
// due to rounding errors, increase the rect 1px to avoid artifacts
const QRect updateRect = nextRect.united(prevRect).adjusted(-1, -1, 1, 1).toRect();
// request repaint
m_view->update(updateRect);
}
void RotationWidgetItem::mouseMoveEvent(QGraphicsSceneMouseEvent * event)
{
if (d->elipse_pressed)
{
QPointF dif = event->scenePos() - event->lastScenePos();
moveBy(dif.x(), dif.y());
d->rotation_point_offset += dif;
d->rotated_shape.translate(-dif);
}
else
{
// Calculate movement parameters
QRectF refreshRect = this->boundingRect();
QPointF itemPos = d->viewportToItemPosition(event->screenPos(), event->widget());
QPointF currentPos = d->viewportToItemPosition(event->buttonDownScreenPos(Qt::LeftButton), event->widget());
qreal currentLength = qSqrt(currentPos.rx()*currentPos.rx()+currentPos.ry()*currentPos.ry());
qreal newLength = qSqrt(itemPos.rx()*itemPos.rx()+itemPos.ry()*itemPos.ry());
qreal scalar = currentPos.rx()*itemPos.rx()+currentPos.ry()*itemPos.ry();
// Calculate angle
qreal cos = scalar/(currentLength*newLength);
qreal prev_rotation_angle = d->rotation_angle;
if (currentPos.rx()*itemPos.ry()-currentPos.ry()*itemPos.rx()>0)
d->rotation_angle = 180*qAcos(cos)/M_PI;
else
d->rotation_angle = -180*qAcos(cos)/M_PI;
// Rotation with 15 deegres step - Shift modifier
if (event->modifiers() & Qt::ShiftModifier)
d->rotation_angle = qRound(d->rotation_angle / 15) * 15.0;
if (d->rotation_angle == prev_rotation_angle)
return;
QTransform transform;
transform.rotate(d->rotation_angle-prev_rotation_angle);
d->rotated_shape = transform.map(d->rotated_shape);
// Updates widgets view
refreshRect = refreshRect.united(this->boundingRect());
this->scene()->invalidate(d->itemToViewportRect(refreshRect, event->widget()));
// Emits rotation signal
emit rotationChanged(d->rotation_point+d->rotation_point_offset, d->rotation_angle-prev_rotation_angle);
}
event->accept();
}
void KisShapeSelectionModel::childChanged(KoShape * child, KoShape::ChangeType type)
{
if (!m_shapeSelection) return;
if (type == KoShape::ParentChanged) return;
QRectF changedRect = m_shapeMap[child];
changedRect = changedRect.united(child->boundingRect());
m_shapeMap[child] = child->boundingRect();
if (m_image.isValid()) {
QTransform matrix;
matrix.scale(m_image->xRes(), m_image->yRes());
changedRect = matrix.mapRect(changedRect);
}
requestUpdate(changedRect.toAlignedRect());
}
void CanvasMode_EditPolygon::applyValues(int polyC, double polyF, bool polyUseCF, double polyR, double polyCur, double polyIRot, double polyOCur)
{
PageItem *currItem = m_doc->m_Selection->itemAt(0);
PageItem_RegularPolygon* item = currItem->asRegularPolygon();
QRectF oldRect = item->getBoundingRect();
polyCorners = polyC;
polyFactor = polyF;
polyRotation = polyR;
polyCurvature = polyCur;
polyInnerRot = polyIRot;
polyOuterCurvature = polyOCur;
if (UndoManager::undoEnabled())
{
SimpleState *ss = new SimpleState(Um::EditPolygon,"",Um::IPolygon);
ss->set("POLYGON","polygon");
ss->set("NEW_CORNER",polyC);
ss->set("NEW_USEFACTOR",polyUseCF);
ss->set("NEW_FACTOR",polyFactor);
ss->set("NEW_ROTATION",polyRotation);
ss->set("NEW_CURV",polyCurvature);
ss->set("NEW_INNER",polyInnerRot);
ss->set("NEW_OUTER",polyOuterCurvature);
ss->set("OLD_CORNER",item->polyCorners);
ss->set("OLD_USEFACTOR",item->polyUseFactor);
ss->set("OLD_FACTOR",item->polyFactor);
ss->set("OLD_ROTATION",item->polyRotation);
ss->set("OLD_CURV",item->polyCurvature);
ss->set("OLD_INNER",item->polyInnerRot);
ss->set("OLD_OUTER",item->polyOuterCurvature);
undoManager->action(currItem,ss);
}
item->polyCorners = polyC;
item->polyUseFactor = polyUseCF;
item->polyFactor = polyFactor;
item->polyRotation = polyRotation;
item->polyCurvature = polyCurvature;
item->polyInnerRot = polyInnerRot;
item->polyOuterCurvature = polyOuterCurvature;
item->recalcPath();
updateFromItem();
QTransform itemMatrix = currItem->getTransform();
QPainterPath path = itemMatrix.map(RegularPolygonPath(item->width(), item->height(), polyCorners, polyUseFactor, polyFactor, polyRotation, polyCurvature, polyInnerRot, polyOuterCurvature));
QRectF updateRect = oldRect.united(path.boundingRect());
m_doc->regionsChanged()->update(updateRect.adjusted(-5, -5, 10, 10));
}
QRectF DSBBranch::getBbox()
{
// layout should have already been called
QRectF rect = QRectF(0,0,0,0);
QList<DSBNode*> own = getOwnNodes();
if (!own.empty())
{
DSBNode *n = own.first();
rect = n->getBbox();
for (int i = 1; i < own.size(); i++)
{
n = own.at(i);
QRectF r = n->getBbox();
rect = rect.united(r);
}
}
return rect;
}
QRectF QgsGCPCanvasItem::boundingRect() const
{
double residualLeft, residualRight, residualTop, residualBottom;
QPointF residual;
if ( mDataPoint )
{
residual = mDataPoint->residual();
}
//only considering screen resolution is ok for the bounding box function
double rf = residualToScreenFactor();
if ( residual.x() > 0 )
{
residualRight = residual.x() * rf + mResidualPen.widthF();
residualLeft = -mResidualPen.widthF();
}
else
{
residualLeft = residual.x() * rf - mResidualPen.widthF();
residualRight = mResidualPen.widthF();
}
if ( residual.y() > 0 )
{
residualBottom = residual.y() * rf + mResidualPen.widthF();
residualTop = -mResidualPen.widthF();
}
else
{
residualBottom = mResidualPen.widthF();
residualTop = residual.y() * rf - mResidualPen.widthF();
}
QRectF residualArrowRect( QPointF( residualLeft, residualTop ), QPointF( residualRight, residualBottom ) );
QRectF markerRect( -2, -2, mTextBounds.width() + 6, mTextBounds.height() + 6 );
QRectF boundingRect = residualArrowRect.united( markerRect );
if ( !mTextBoxRect.isNull() )
{
boundingRect = boundingRect.united( mTextBoxRect );
}
return boundingRect;
}
QRectF QgsLayout::layoutBounds( bool ignorePages, double margin ) const
{
//start with an empty rectangle
QRectF bounds;
//add all layout items and pages which are in the layout
Q_FOREACH ( const QGraphicsItem *item, items() )
{
const QgsLayoutItem *layoutItem = dynamic_cast<const QgsLayoutItem *>( item );
if ( !layoutItem )
continue;
bool isPage = layoutItem->type() == QgsLayoutItemRegistry::LayoutPage;
if ( !isPage || !ignorePages )
{
//expand bounds with current item's bounds
QRectF itemBounds;
if ( isPage )
{
// for pages we only consider the item's rect - not the bounding rect
// as the bounding rect contains extra padding
itemBounds = layoutItem->mapToScene( layoutItem->rect() ).boundingRect();
}
else
itemBounds = item->sceneBoundingRect();
if ( bounds.isValid() )
bounds = bounds.united( itemBounds );
else
bounds = itemBounds;
}
}
if ( bounds.isValid() && margin > 0.0 )
{
//finally, expand bounds out by specified margin of page size
double maxWidth = mPageCollection->maximumPageWidth();
bounds.adjust( -maxWidth * margin, -maxWidth * margin, maxWidth * margin, maxWidth * margin );
}
return bounds;
}
void Selection::finalize()
{
QRectF boundingRect;
for (int i = 0; i < m_strokes.size(); ++i)
{
boundingRect = boundingRect.united(m_strokes[i].boundingRectSansPenWidth());
}
// boundingRect.adjust(-m_ad, -m_ad, m_ad, m_ad);
boundingRect.adjust(-m_x_padding, -m_y_padding, m_x_padding, m_y_padding);
m_selectionPolygon = QPolygonF(boundingRect);
setWidth(boundingRect.width());
setHeight(boundingRect.height());
m_angle = 0.0;
m_finalized = true;
}
void SGI_NetLabel::updateCacheAndRepaint() noexcept
{
prepareGeometryChange();
mRotate180 = (mNetLabel.getRotation().mappedTo180deg() <= -Angle::deg90()
|| mNetLabel.getRotation().mappedTo180deg() > Angle::deg90());
mStaticText.setText(mNetLabel.getNetSignal().getName());
mStaticText.prepare(QTransform(), mFont);
mTextOrigin.setX(mRotate180 ? -mStaticText.size().width() : 0);
mTextOrigin.setY(mRotate180 ? 0 : -0.5-mStaticText.size().height());
mStaticText.prepare(QTransform().rotate(mRotate180 ? 180 : 0)
.translate(mTextOrigin.x(), mTextOrigin.y()), mFont);
QRectF rect = QRectF(0, 0, mStaticText.size().width(), -mStaticText.size().height()).normalized();
qreal len = sOriginCrossLines[0].length();
mBoundingRect = rect.united(QRectF(-len/2, -len/2, len, len)).normalized();
update();
}
