Added feature for computing area and perimeter from selection

src/edt/edt/AreaAndPerimeterDialog.ui

@@ -0,0 +1,130 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>AreaAndPerimeterDialog</class>
+ <widget class="QDialog" name="AreaAndPerimeterDialog">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>367</width>
+    <height>205</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Area And Perimeter</string>
+  </property>
+  <layout class="QGridLayout" name="gridLayout">
+   <item row="4" column="0" colspan="3">
+    <spacer name="verticalSpacer">
+     <property name="orientation">
+      <enum>Qt::Vertical</enum>
+     </property>
+     <property name="sizeHint" stdset="0">
+      <size>
+       <width>10</width>
+       <height>11</height>
+      </size>
+     </property>
+    </spacer>
+   </item>
+   <item row="1" column="1">
+    <widget class="QLineEdit" name="perimeter_le">
+     <property name="readOnly">
+      <bool>true</bool>
+     </property>
+    </widget>
+   </item>
+   <item row="0" column="0">
+    <widget class="QLabel" name="label">
+     <property name="text">
+      <string>Area</string>
+     </property>
+    </widget>
+   </item>
+   <item row="1" column="2">
+    <widget class="QLabel" name="label_6">
+     <property name="text">
+      <string>µm</string>
+     </property>
+    </widget>
+   </item>
+   <item row="0" column="2">
+    <widget class="QLabel" name="label_5">
+     <property name="text">
+      <string>µm²</string>
+     </property>
+    </widget>
+   </item>
+   <item row="1" column="0">
+    <widget class="QLabel" name="label_3">
+     <property name="text">
+      <string>Perimeter</string>
+     </property>
+    </widget>
+   </item>
+   <item row="0" column="1">
+    <widget class="QLineEdit" name="area_le">
+     <property name="readOnly">
+      <bool>true</bool>
+     </property>
+    </widget>
+   </item>
+   <item row="5" column="0" colspan="3">
+    <widget class="QDialogButtonBox" name="buttonBox">
+     <property name="orientation">
+      <enum>Qt::Horizontal</enum>
+     </property>
+     <property name="standardButtons">
+      <set>QDialogButtonBox::Ok</set>
+     </property>
+    </widget>
+   </item>
+   <item row="3" column="0" colspan="3">
+    <widget class="QLabel" name="label_2">
+     <property name="text">
+      <string>Note: area and perimeter are computed in &quot;merged mode&quot;. This means, overlapping shapes are counted once for area calculation.
+The perimeter calculation only takes true outside edges into account. Internal edges are ignored.</string>
+     </property>
+     <property name="wordWrap">
+      <bool>true</bool>
+     </property>
+    </widget>
+   </item>
+   <item row="2" column="0" colspan="3">
+    <spacer name="verticalSpacer_2">
+     <property name="orientation">
+      <enum>Qt::Vertical</enum>
+     </property>
+     <property name="sizeType">
+      <enum>QSizePolicy::Fixed</enum>
+     </property>
+     <property name="sizeHint" stdset="0">
+      <size>
+       <width>20</width>
+       <height>5</height>
+      </size>
+     </property>
+    </spacer>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections>
+  <connection>
+   <sender>buttonBox</sender>
+   <signal>accepted()</signal>
+   <receiver>AreaAndPerimeterDialog</receiver>
+   <slot>accept()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>303</x>
+     <y>185</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>311</x>
+     <y>201</y>
+    </hint>
+   </hints>
+  </connection>
+ </connections>
+</ui>

src/edt/edt/edt.pro

@@ -27,7 +27,8 @@ DEFINES += MAKE_EDT_LIBRARY
     RoundCornerOptionsDialog.ui \
     TextPropertiesPage.ui \
     DistributeOptionsDialog.ui \
-    EditorOptionsInstPCellParam.ui
+    EditorOptionsInstPCellParam.ui \
+    AreaAndPerimeterDialog.ui
 
 }
 

src/edt/edt/edtDialogs.cc

@@ -683,6 +683,29 @@ BEGIN_PROTECTED;
 END_PROTECTED;
 }
 
+// --------------------------------------------------------------------------------
+//  AreaAndPerimeterDialog implementation
+
+AreaAndPerimeterDialog::AreaAndPerimeterDialog (QWidget *parent)
+  : QDialog (parent)
+{
+  setupUi (this);
+}
+
+AreaAndPerimeterDialog::~AreaAndPerimeterDialog ()
+{
+  //  .. nothing yet ..
+}
+
+bool
+AreaAndPerimeterDialog::exec_dialog (double area, double perimeter)
+{
+  area_le->setText (tl::to_qstring (tl::sprintf ("%.12g", area)));
+  perimeter_le->setText (tl::to_qstring (tl::sprintf ("%.12g", perimeter)));
+
+  return exec () != 0;
+}
+
 }
 
 #endif

src/edt/edt/edtDialogs.h

@@ -43,6 +43,7 @@
 #include "ui_MakeCellOptionsDialog.h"
 #include "ui_MakeArrayOptionsDialog.h"
 #include "ui_RoundCornerOptionsDialog.h"
+#include "ui_AreaAndPerimeterDialog.h"
 
 namespace lay
 {
@@ -205,6 +206,22 @@ private:
   bool m_has_extracted;
 };
 
+/**
+ *  @brief Result dialog for "area and perimeter"
+ */
+class AreaAndPerimeterDialog
+  : public QDialog,
+    private Ui::AreaAndPerimeterDialog
+{
+Q_OBJECT
+
+public:
+  AreaAndPerimeterDialog (QWidget *parent);
+  ~AreaAndPerimeterDialog ();
+
+  bool exec_dialog (double area, double perimeter);
+};
+
 } // namespace edt
 
 #endif

src/edt/edt/edtMainService.cc

@@ -25,6 +25,7 @@
 #include "dbPolygonTools.h"
 #include "dbLibrary.h"
 #include "dbLibraryManager.h"
+#include "dbRegion.h"
 #include "tlExceptions.h"
 #include "layLayoutView.h"
 #include "laySelector.h"
@@ -82,6 +83,7 @@ MainService::MainService (db::Manager *manager, lay::LayoutViewBase *view, lay::
 {
 #if defined(HAVE_QT)
   mp_round_corners_dialog = 0;
+  mp_area_and_perimeter_dialog = 0;
   mp_align_options_dialog = 0;
   mp_distribute_options_dialog = 0;
   mp_flatten_inst_options_dialog = 0;
@@ -106,6 +108,15 @@ MainService::round_corners_dialog ()
   return mp_round_corners_dialog;
 }
 
+edt::AreaAndPerimeterDialog *
+MainService::area_and_perimeter_dialog ()
+{
+  if (! mp_area_and_perimeter_dialog) {
+    mp_area_and_perimeter_dialog = new edt::AreaAndPerimeterDialog (lay::widget_from_view (view ()));
+  }
+  return mp_area_and_perimeter_dialog;
+}
+
 edt::AlignOptionsDialog *
 MainService::align_options_dialog ()
 {
@@ -168,6 +179,8 @@ MainService::menu_activated (const std::string &symbol)
     cm_tap ();
   } else if (symbol == "edt::sel_round_corners") {
     cm_round_corners ();
+  } else if (symbol == "edt::sel_area_perimeter") {
+    cm_area_perimeter ();
   } else if (symbol == "edt::sel_convert_to_pcell") {
     cm_convert_to_pcell ();
   } else if (symbol == "edt::sel_convert_to_cell") {
@@ -1346,6 +1359,67 @@ MainService::cm_convert_to_pcell ()
   }
 }
 
+void MainService::cm_area_perimeter ()
+{
+#if ! defined(HAVE_QT)
+  tl_assert (false); // see TODO
+#endif
+
+  double dbu = 0.0;
+
+  std::vector<edt::Service *> edt_services = view ()->get_plugins <edt::Service> ();
+
+  db::Region region;
+
+  //  get (common) cellview index of the primary selection
+  for (std::vector<edt::Service *>::const_iterator es = edt_services.begin (); es != edt_services.end (); ++es) {
+
+    for (edt::Service::obj_iterator s = (*es)->selection ().begin (); s != (*es)->selection ().end (); ++s) {
+
+      if (s->is_cell_inst ()) {
+        continue;
+      }
+
+      db::Polygon poly;
+      if (!s->shape ().polygon (poly)) {
+        continue;
+      }
+
+      double shape_dbu = view ()->cellview (s->cv_index ())->layout ().dbu ();
+
+      if (dbu == 0.0) {
+        //  first CV is used for reference DBU
+        dbu = shape_dbu;
+      }
+
+      if (fabs (shape_dbu - dbu) < db::epsilon) {
+        region.insert (s->trans () * poly);
+      } else {
+        region.insert ((db::ICplxTrans (shape_dbu / dbu) * s->trans ()) * poly);
+      }
+
+    }
+
+  }
+
+#if defined(HAVE_QT)
+  if (region.count () > 100000) {
+    if (QMessageBox::warning (lay::widget_from_view (view ()), tr ("Warning: Big Selection"),
+                                    tr ("The selection contains many shapes. Area and perimeter computation may take a long time.\nContinue anyway?"),
+                                    QMessageBox::Yes, QMessageBox::No) == QMessageBox::No) {
+      return;
+    }
+  }
+#endif
+
+  double area = region.area () * dbu * dbu;
+  double perimeter = region.perimeter () * dbu;
+
+#if defined(HAVE_QT)
+  area_and_perimeter_dialog ()->exec_dialog (area, perimeter);
+#endif
+}
+
 static bool extract_rad (std::vector <db::Polygon> &poly, double &rinner, double &router, unsigned int &n)
 {
   std::vector <db::Point> new_pts;
@@ -1356,7 +1430,7 @@ static bool extract_rad (std::vector <db::Polygon> &poly, double &rinner, double
     db::Polygon new_poly;
 
     new_pts.clear ();
-    if (! extract_rad_from_contour (p->begin_hull (), p->end_hull (), rinner, router, n, &new_pts) && 
+    if (! extract_rad_from_contour (p->begin_hull (), p->end_hull (), rinner, router, n, &new_pts) &&
         ! extract_rad_from_contour (p->begin_hull (), p->end_hull (), rinner, router, n, &new_pts, true)) {
       //  ultimate fallback: assign original contour
       new_poly.assign_hull (p->begin_hull (), p->end_hull (), false /*don't compress*/);
@@ -1368,7 +1442,7 @@ static bool extract_rad (std::vector <db::Polygon> &poly, double &rinner, double
     for (unsigned int h = 0; h < p->holes (); ++h) {
 
       new_pts.clear ();
-      if (! extract_rad_from_contour (p->begin_hole (h), p->end_hole (h), rinner, router, n, &new_pts) && 
+      if (! extract_rad_from_contour (p->begin_hole (h), p->end_hole (h), rinner, router, n, &new_pts) &&
           ! extract_rad_from_contour (p->begin_hole (h), p->end_hole (h), rinner, router, n, &new_pts, true)) {
         //  ultimate fallback: assign original contour
         new_poly.insert_hole (p->begin_hole (h), p->end_hole (h), false /*don't compress*/);

src/edt/edt/edtMainService.h

@@ -48,6 +48,7 @@ class Service;
 class EditorOptionsPages;
 class EditorOptionsPage;
 class RoundCornerOptionsDialog;
+class AreaAndPerimeterDialog;
 class MakeCellOptionsDialog;
 class MakeArrayOptionsDialog;
 class AlignOptionsDialog;
@@ -104,6 +105,11 @@ public:
    */
   void cm_round_corners ();
 
+  /**
+   *  @brief Show area and perimeter of selection
+   */
+  void cm_area_perimeter ();
+
   /**
    *  @brief Convert selection to PCell
    */
@@ -223,6 +229,7 @@ private:
   bool m_undo_before_apply;
 #if defined(HAVE_QT)
   edt::RoundCornerOptionsDialog *mp_round_corners_dialog;
+  edt::AreaAndPerimeterDialog *mp_area_and_perimeter_dialog;
   edt::AlignOptionsDialog *mp_align_options_dialog;
   edt::DistributeOptionsDialog *mp_distribute_options_dialog;
   lay::FlattenInstOptionsDialog *mp_flatten_inst_options_dialog;
@@ -234,6 +241,7 @@ private:
   void check_no_guiding_shapes ();
 #if defined(HAVE_QT)
   edt::RoundCornerOptionsDialog *round_corners_dialog ();
+  edt::AreaAndPerimeterDialog *area_and_perimeter_dialog ();
   edt::AlignOptionsDialog *align_options_dialog ();
   edt::DistributeOptionsDialog *distribute_options_dialog ();
   lay::FlattenInstOptionsDialog *flatten_inst_options_dialog ();

src/edt/edt/edtPlugin.cc

@@ -342,6 +342,8 @@ public:
     menu_entries.push_back (lay::menu_item ("edt::sel_make_cell_variants", "make_cell_variants:edit_mode", "edit_menu.selection_menu.end", tl::to_string (tr ("Make Cell Variants"))));
     menu_entries.push_back (lay::menu_item ("edt::sel_convert_to_pcell", "convert_to_pcell:edit_mode", "edit_menu.selection_menu.end", tl::to_string (tr ("Convert To PCell"))));
     menu_entries.push_back (lay::menu_item ("edt::sel_convert_to_cell", "convert_to_cell:edit_mode", "edit_menu.selection_menu.end", tl::to_string (tr ("Convert To Static Cell"))));
+    menu_entries.push_back (lay::separator ("hier_group:edit_info", "edit_menu.selection_menu.end"));
+    menu_entries.push_back (lay::menu_item ("edt::sel_area_perimeter", "area_perimeter", "edit_menu.selection_menu.end", tl::to_string (tr ("Area and Perimeter"))));
 
     menu_entries.push_back (lay::menu_item ("edt::combine_mode", "combine_mode:edit_mode", "@toolbar.end_modes", tl::to_string (tr ("Combine{Select background combination mode}"))));
   }