diff options
Diffstat (limited to 'doc/codesnippets/doc/src/snippets/code/src_gui_painting_qregion_unix.cpp')
-rw-r--r-- | doc/codesnippets/doc/src/snippets/code/src_gui_painting_qregion_unix.cpp | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/doc/codesnippets/doc/src/snippets/code/src_gui_painting_qregion_unix.cpp b/doc/codesnippets/doc/src/snippets/code/src_gui_painting_qregion_unix.cpp new file mode 100644 index 000000000..9b6e31805 --- /dev/null +++ b/doc/codesnippets/doc/src/snippets/code/src_gui_painting_qregion_unix.cpp @@ -0,0 +1,18 @@ +//! [0] +r1 = QRegion(10, 10, 20, 20) +r1.isNull() // false +r1.isEmpty() // false + +r2 = QRegion(40, 40, 20, 20) +r3 = QRegion() +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] |