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Largest_empty_iso_rectangle: Improve Demo

This commit is contained in:
Andreas Fabri 2023-01-13 10:48:28 +00:00
parent 1d6830501d
commit 8c0d5bd59b
2 changed files with 54 additions and 2 deletions
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48
GraphicsView/demo/Largest_empty_rect_2/Largest_empty_rectangle_2.cpp
View File

@ -98,6 +98,8 @@ public Q_SLOTS:
void on_actionClear_triggered();
void on_actionOpen_triggered();
void processInput(CGAL::Object);
void on_actionRecenter_triggered();
@ -105,7 +107,7 @@ public Q_SLOTS:
void on_actionGeneratePointsInSquare_triggered();
void on_actionGeneratePointsInDisc_triggered();
void clear();
void open(QString fileName);
void update_largest_empty_rectangle();
Q_SIGNALS:
@ -229,6 +231,50 @@ MainWindow::on_actionClear_triggered()
Q_EMIT( changed());
}
void
MainWindow::on_actionOpen_triggered()
{
QString fileName = QFileDialog::getOpenFileName(this,
tr("Open points file"),
"."
,tr("xy files (*.xy)")
);
if(! fileName.isEmpty()){
open(fileName);
}
}
void
MainWindow::open(QString fileName)
{
// wait cursor
QApplication::setOverrideCursor(Qt::WaitCursor);
std::ifstream ifs(qPrintable(fileName));
clear();
Point_2 p;
while(ifs >> p){
points.push_back(p);
}
CGAL::Bbox_2 bbox = CGAL::bbox_2(points.begin(), points.end());
square = Iso_rectangle_2(bbox);
ler = Largest_empty_iso_rectangle_2(square);
ler.insert(points.begin(), points.end());
frame[0]->setLine(convert(Segment_2(square.vertex(0),square.vertex(1))));
frame[1]->setLine(convert(Segment_2(square.vertex(1), square.vertex(2))));
frame[2]->setLine(convert(Segment_2(square.vertex(2), square.vertex(3))));
frame[3]->setLine(convert(Segment_2(square.vertex(3), square.vertex(0))));
QApplication::restoreOverrideCursor();
on_actionRecenter_triggered();
Q_EMIT( changed());
}
void
MainWindow::on_actionRecenter_triggered()
{

8
GraphicsView/demo/Largest_empty_rect_2/Largest_empty_rectangle_2.ui
View File

@ -80,7 +80,7 @@
<x>0</x>
<y>0</y>
<width>500</width>
<height>26</height>
<height>22</height>
</rect>
</property>
<widget class="QMenu" name="menuFile">
@ -90,6 +90,7 @@
<addaction name="separator"/>
<addaction name="actionClear"/>
<addaction name="separator"/>
<addaction name="actionOpen"/>
<addaction name="actionQuit"/>
</widget>
<widget class="QMenu" name="menuTools">
@ -199,6 +200,11 @@
<string>Generate Segment Fans</string>
</property>
</action>
<action name="actionOpen">
<property name="text">
<string>Open</string>
</property>
</action>
</widget>
<resources>
<include location="Largest_empty_rectangle_2.qrc"/>