Added conversion between QgsRectangle and QRectF. And tests.

Author: homann

python/core/qgsrectangle.sip

@@ -16,6 +16,9 @@ class QgsRectangle
     QgsRectangle(double xmin=0, double ymin=0, double xmax=0, double ymax=0);
     //! Construct a rectangle from two points. The rectangle is normalized after construction.
     QgsRectangle(const QgsPoint & p1, const QgsPoint & p2);
+    //! Construct a rectangle from a QRectF. The rectangle is normalized after construction.
+    //@note added in 2.0
+    QgsRectangle(const QRectF & qRectF );
     //! Copy constructor
     QgsRectangle(const QgsRectangle &other);
     //! Destructor
@@ -77,8 +80,11 @@ class QgsRectangle
     //! returns string representation in Wkt form
     QString asWktCoordinates() const;
     //! returns string representation as WKT Polygon
-    //@note added om 2.0
+    //@note added in 2.0
     QString asWktPolygon() const;
+    //! returns a QRectF with same coordinates.
+    //@note added in 2.0
+    QRectF QgsRectangle::toRectF() const;
     //! returns string representation of form xmin,ymin xmax,ymax
     QString toString(bool automaticPrecision = false) const;
     //! overloaded toString that allows precision of numbers to be set

src/core/qgsrectangle.cpp

@@ -18,6 +18,7 @@
 #include <algorithm>
 #include <cmath>
 #include <limits>
+#include <QRectF>
 #include <QString>
 #include <QTextStream>
 #include <qnumeric.h>
@@ -37,6 +38,14 @@ QgsRectangle::QgsRectangle( QgsPoint const & p1, QgsPoint const & p2 )
   set( p1, p2 );
 }
 
+QgsRectangle::QgsRectangle( QRectF const & qRectF )
+{
+  xmin = qRectF.topLeft().x();
+  ymin = qRectF.topLeft().y();
+  xmax = qRectF.bottomRight().x();
+  ymax = qRectF.bottomRight().y();
+}
+
 QgsRectangle::QgsRectangle( const QgsRectangle &r )
 {
   xmin = r.xMinimum();
@@ -203,6 +212,13 @@ QString QgsRectangle::asWktPolygon() const
   return rep;
 }
 
+//! returns a QRectF with same coordinates.
+//@note added in 2.0
+QRectF QgsRectangle::toRectF() const
+{
+  return QRectF( (qreal)xmin, (qreal)ymin, (qreal)xmax - xmin, (qreal)ymax - ymin );
+}
+
 // Return a string representation of the rectangle with automatic or high precision
 QString QgsRectangle::toString( bool automaticPrecision ) const
 {

src/core/qgsrectangle.h

@@ -21,7 +21,7 @@
 #include <iosfwd>
 
 class QString;
-
+class QRectF;
 #include "qgspoint.h"
 
 
@@ -38,6 +38,9 @@ class CORE_EXPORT QgsRectangle
     QgsRectangle( double xmin = 0, double ymin = 0, double xmax = 0, double ymax = 0 );
     //! Construct a rectangle from two points. The rectangle is normalized after construction.
     QgsRectangle( QgsPoint const & p1, QgsPoint const & p2 );
+    //! Construct a rectangle from a QRectF. The rectangle is normalized after construction.
+    //@note added in 2.0
+    QgsRectangle( const QRectF & qRectF );
     //! Copy constructor
     QgsRectangle( const QgsRectangle &other );
     //! Destructor
@@ -98,8 +101,11 @@ class CORE_EXPORT QgsRectangle
     //! returns string representation in Wkt form
     QString asWktCoordinates() const;
     //! returns string representation as WKT Polygon
-    //@note added om 2.0
+    //@note added in 2.0
     QString asWktPolygon() const;
+    //! returns a QRectF with same coordinates.
+    //@note added in 2.0
+    QRectF toRectF() const;
     //! returns string representation of form xmin,ymin xmax,ymax
     QString toString( bool automaticPrecision = false ) const;
     //! overloaded toString that allows precision of numbers to be set

tests/src/core/testqgsrectangle.cpp

@@ -59,6 +59,15 @@ void TestQgsRectangle::regression6194()
   // 100 wide, 200 high
   QgsRectangle rect1 = QgsRectangle( 10.0, 20.0, 110.0, 220.0 );
 
+  // Test conversion to QRectF and back
+  QRectF qRectF = rect1.toRectF();
+  QCOMPARE( qRectF.width(), 100.0 );
+  QCOMPARE( qRectF.height(), 200.0 );
+  QCOMPARE( qRectF.x(), 10.0 );
+  QCOMPARE( qRectF.y(), 20.0 );
+  QgsRectangle rect4 = QgsRectangle( qRectF );
+  QCOMPARE( rect4.toString( 2 ), QString( "10.00,20.00 : 110.00,220.00" ) );
+
   // 250 wide, 500 high
   QgsRectangle rect2;
   rect2.setXMinimum( 10.0 );