1 files changed, 18 insertions, 0 deletions
diff --git a/doc/src/snippets/code/src_gui_painting_qregion_unix.cpp b/doc/src/snippets/code/src_gui_painting_qregion_unix.cpp
new file mode 100644
index 0000000..50771ef
--- /dev/null
+++ b/doc/src/snippets/code/src_gui_painting_qregion_unix.cpp
@@ -0,0 +1,18 @@
+//! [0]
+QRegion r1(10, 10, 20, 20);
+r1.isNull();                // false
+r1.isEmpty();               // false
+
+QRegion r2(40, 40, 20, 20);
+QRegion r3;
+r3.isNull();                // true
+r3.isEmpty();               // true
+
+r3 = r1.intersected(r2);    // r3: intersection of r1 and r2
+r3.isNull();                // false
+r3.isEmpty();               // true
+
+r3 = r1.united(r2);         // r3: union of r1 and r2
+r3.isNull();                // false
+r3.isEmpty();               // false
+//! [0]