Doc: compile polygon snippets

Done-with: Nico Vertriest <nico.vertriest@qt.io>
Change-Id: I29caf1818154df3b0f2b599ac19c966e826f6287
Taks-number: QTBUG-81486
Reviewed-by: Topi Reiniö <topi.reinio@qt.io>

3 files changed, 56 insertions, 48 deletions

diff --git a/src/gui/doc/snippets/polygon/polygon.cpp b/src/gui/doc/snippets/polygon/polygon.cpp
index b387a0432e..8105ebf491 100644
--- a/src/gui/doc/snippets/polygon/polygon.cpp
+++ b/src/gui/doc/snippets/polygon/polygon.cpp
@@ -47,76 +47,76 @@
 ** $QT_END_LICENSE$
 **
 ****************************************************************************/
+#include <QPolygon>
+namespace polygon {
 
-#include <QtGui>
-
-int main()
+void wrapper() {
 {
-    {
-        // STREAM
+// STREAM
 //! [0]
-        QPolygon polygon;
-        polygon << QPoint(10, 20) << QPoint(20, 30);
+QPolygon polygon;
+polygon << QPoint(10, 20) << QPoint(20, 30);
 //! [0]
-    }
+}
 
-    {
-        // STREAMF
+{
+// STREAMF
 //! [1]
-        QPolygonF polygon;
-        polygon << QPointF(10.4, 20.5) << QPointF(20.2, 30.2);
+QPolygonF polygon;
+polygon << QPointF(10.4, 20.5) << QPointF(20.2, 30.2);
 //! [1]
-    }
+}
 
-    {
-        // SETPOINTS
+{
+// SETPOINTS
 //! [2]
-        static const int points[] = { 10, 20, 30, 40 };
-        QPolygon polygon;
-        polygon.setPoints(2, points);
+static const int points[] = { 10, 20, 30, 40 };
+QPolygon polygon;
+polygon.setPoints(2, points);
 //! [2]
-    }
+}
 
-    {
-        // SETPOINTS2
+{
+// SETPOINTS2
 //! [3]
-        QPolygon polygon;
-        polygon.setPoints(2, 10, 20, 30, 40);
+QPolygon polygon;
+polygon.setPoints(2, 10, 20, 30, 40);
 //! [3]
-    }
+}
 
-    {
-        // PUTPOINTS
+{
+// PUTPOINTS
 //! [4]
-        QPolygon polygon(1);
-        polygon[0] = QPoint(4, 5);
-        polygon.putPoints(1, 2, 6,7, 8,9);
+QPolygon polygon(1);
+polygon[0] = QPoint(4, 5);
+polygon.putPoints(1, 2, 6,7, 8,9);
 //! [4]
-    }
+}
 
-    {
-        // PUTPOINTS2
+{
+// PUTPOINTS2
 //! [5]
-        QPolygon polygon(3);
-        polygon.putPoints(0, 3, 4,5, 0,0, 8,9);
-        polygon.putPoints(1, 1, 6,7);
+QPolygon polygon(3);
+polygon.putPoints(0, 3, 4,5, 0,0, 8,9);
+polygon.putPoints(1, 1, 6,7);
 //! [5]
-    }
+}
 
-    {
-        // PUTPOINTS3
+{
+// PUTPOINTS3
 //! [6]
-        QPolygon polygon1;
-        polygon1.putPoints(0, 3, 1,2, 0,0, 5,6);
-        // polygon1 is now the three-point polygon(1,2, 0,0, 5,6);
+QPolygon polygon1;
+polygon1.putPoints(0, 3, 1,2, 0,0, 5,6);
+// polygon1 is now the three-point polygon(1,2, 0,0, 5,6);
 
-        QPolygon polygon2;
-        polygon2.putPoints(0, 3, 4,4, 5,5, 6,6);
-        // polygon2 is now (4,4, 5,5, 6,6);
+QPolygon polygon2;
+polygon2.putPoints(0, 3, 4,4, 5,5, 6,6);
+// polygon2 is now (4,4, 5,5, 6,6);
 
-        polygon1.putPoints(2, 3, polygon2);
-        // polygon1 is now the five-point polygon(1,2, 0,0, 4,4, 5,5, 6,6);
+polygon1.putPoints(2, 3, polygon2);
+// polygon1 is now the five-point polygon(1,2, 0,0, 4,4, 5,5, 6,6);
 //! [6]
-    }
-    return 0;
 }
+
+} // wrapper
+} // polygon
diff --git a/src/gui/doc/snippets/polygon/polygon.pro b/src/gui/doc/snippets/polygon/polygon.pro
new file mode 100644
index 0000000000..293502a33d
--- /dev/null
+++ b/src/gui/doc/snippets/polygon/polygon.pro
@@ -0,0 +1,7 @@
+TEMPLATE = lib
+TARGET = polygon_snippets
+QT += core gui widgets
+
+SOURCES = \
+    polygon.cpp
+
diff --git a/src/gui/doc/snippets/snippets.pro b/src/gui/doc/snippets/snippets.pro
index f0d68f5b94..98d04e400f 100644
--- a/src/gui/doc/snippets/snippets.pro
+++ b/src/gui/doc/snippets/snippets.pro
@@ -13,6 +13,7 @@ contains(QT_BUILD_PARTS, tests) {
         image \
         picture \
         plaintextlayout \
+        polygon \
         qfontdatabase \
         textblock-formats \
         textblock-fragments \