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added option to read linear polygons, and some small fixes in the drawing

This commit is contained in:
Baruch Zukerman 2006-11-22 13:45:33 +00:00
parent d989c7971e
commit ca95218f00
1 changed files with 75 additions and 20 deletions
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95
Boolean_set_operations_2/demo/Boolean_set_operations_2/boolean_operations_2.cpp
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@ -111,10 +111,12 @@ public:
// this method overrides the virtual method 'draw()' of Qt_widget_layer
void draw()
{
widget->lock(); // widget have to be locked before drawing
widget->lock(); // widget have to be locked before drawing
RasterOp old_rasterop = widget->rasterOp();
widget->get_painter().setRasterOp(XorROP);
widget->setFilled (true);
widget->setFillColor (CGAL::RED);
*widget << CGAL::RED; // color for the polygons
*widget << CGAL::BLACK;
std::list<Polygon_with_holes> red_pgns_list;
red_set.polygons_with_holes(std::back_inserter(red_pgns_list));
std::list<Polygon_with_holes>::iterator itpgn1 = red_pgns_list.begin();
@ -123,7 +125,6 @@ public:
{
const Polygon_with_holes& pgn_with_hole = *itpgn1;
const Polygon_2& outer_boundary = pgn_with_hole.outer_boundary();
widget->setFillColor (CGAL::RED);
if(outer_boundary.is_empty())
{
// no boundary -> unbounded polygon
@ -133,7 +134,7 @@ public:
}
else
*widget << outer_boundary;
widget->setFillColor (CGAL::BLACK);
for(Hole_const_iterator hit = pgn_with_hole.holes_begin();
hit != pgn_with_hole.holes_end();
++hit)
@ -146,10 +147,7 @@ public:
widget->setFilled (true);
widget->setFillColor (CGAL::BLUE);
*widget << CGAL::BLUE; // color of polygon
RasterOp old_rasterop = widget->rasterOp();
widget->get_painter().setRasterOp(XorROP);
std::list<Polygon_with_holes> blue_pgns_list;
blue_set.polygons_with_holes(std::back_inserter(blue_pgns_list));
std::list<Polygon_with_holes>::iterator itpgn2 = blue_pgns_list.begin();
@ -158,7 +156,6 @@ public:
{
const Polygon_with_holes& pgn_with_hole = *itpgn2;
const Polygon_2& outer_boundary = pgn_with_hole.outer_boundary();
widget->setFillColor (CGAL::BLUE);
if(outer_boundary.is_empty())
{
// no boundary -> unbounded polygon
@ -170,8 +167,8 @@ public:
{
*widget << outer_boundary;
}
widget->setFillColor ( CGAL::BLUE);
for(Hole_const_iterator hit = pgn_with_hole.holes_begin();
for(Hole_const_iterator hit = pgn_with_hole.holes_begin();
hit != pgn_with_hole.holes_end();
++hit)
{
@ -222,7 +219,8 @@ public:
file->insertItem("&New", this, SLOT(new_instance()), CTRL+Key_N);
file->insertItem("New &Window", this, SLOT(new_window()), CTRL+Key_W);
file->insertSeparator();
file->insertItem("&Open DXF file", this, SLOT(open_file()),CTRL+Key_O);
file->insertItem("&Open Linear Polygon file", this, SLOT(open_linear_polygon_file()),CTRL+Key_O);
file->insertItem("&Open DXF file", this, SLOT(open_dxf_file()),CTRL+Key_D);
file->insertSeparator();
//file->insertItem("&Save",this ,SLOT(save_file()),CTRL+Key_S);
//file->insertItem("&Save as",this ,SLOT(save_file_as()));
@ -513,7 +511,7 @@ private:
public slots:
void open_file()
void open_dxf_file()
{
QString s = QFileDialog::getOpenFileName("./",
@ -611,6 +609,62 @@ public slots:
widget->setCursor(old);
}
void open_linear_polygon_file()
{
QString s = QFileDialog::getOpenFileName("./",
QString::null,
this,
"open file dialog",
"Choose a file" );
if(s==QString::null)
return;
std::ifstream in_file(s);
if(!in_file.is_open())
{
QMessageBox::warning( widget,"Open","Can't open file");
return ;
}
CGAL::Bbox_2 box = CGAL::Bbox_2 (widget->x_min(), widget->y_min(),
widget->x_max(), widget->y_max());
QCursor old = widget->cursor();
widget->setCursor(Qt::WaitCursor);
widget->lock();
widget->clear_history();
Linear_polygon_2 pgn;
in_file >> pgn;
if(pgn.is_empty())
{
widget->unlock();
widget->setCursor(old);
return;
}
if(pgn.orientation() != CGAL::COUNTERCLOCKWISE)
pgn.reverse_orientation();
const Polygon_2& circ_pgn = linear_2_circ(pgn);
if(red_active)
red_set.join(circ_pgn);
else
blue_set.join(circ_pgn);
box = box + circ_pgn.bbox();
widget->set_window(box.xmin(),
box.xmax(),
box.ymin(),
box.ymax());
widget->unlock();
newtoolbar->reset();
something_changed();
widget->setCursor(old);
}
/*void save_file()
{
@ -818,7 +872,7 @@ public slots:
if(red_set.number_of_polygons_with_holes() > 1 ||
blue_set.number_of_polygons_with_holes() > 1)
{
mink_wum_warning();
mink_sum_warning();
return;
}
@ -827,7 +881,7 @@ public slots:
red_set.polygons_with_holes(oi1);
if(red_p_wh.has_holes() || red_p_wh.is_unbounded())
{
mink_wum_warning();
mink_sum_warning();
return;
}
const Polygon_2& red_p = red_p_wh.outer_boundary();
@ -837,7 +891,7 @@ public slots:
blue_set.polygons_with_holes(oi2);
if(blue_p_wh.has_holes() || blue_p_wh.is_unbounded())
{
mink_wum_warning();
mink_sum_warning();
return;
}
QCursor old = widget->cursor();
@ -890,17 +944,18 @@ public slots:
}
else
{
mink_wum_warning();
mink_sum_warning();
widget->setCursor(old);
return;
}
}
void mink_wum_warning()
void mink_sum_warning()
{
QMessageBox::warning(this,
"Minkowski Sum",
QString( "Minkowsky sum can be performed on two linear polygons without holes\n\
or on a linear polygon without holes and a disc\n" ),
QString( "Minkowski sum can be performed on two linear polygons without holes\n\
or on a linear polygon without holes and a disc\n" ),
"&Ok");
mink_sum_but->setDown(FALSE);
}