diff options
Diffstat (limited to 'doc/src/snippets/code/doc_src_groups.qdoc')
-rw-r--r-- | doc/src/snippets/code/doc_src_groups.qdoc | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/doc/src/snippets/code/doc_src_groups.qdoc b/doc/src/snippets/code/doc_src_groups.qdoc new file mode 100644 index 0000000..51c2944 --- /dev/null +++ b/doc/src/snippets/code/doc_src_groups.qdoc @@ -0,0 +1,26 @@ +//! [0] +void QPen::setStyle(Qt::PenStyle style) +{ + detach(); // detach from common data + d->style = style; // set the style member +} + +void QPen::detach() +{ + if (d->ref != 1) { + ... // perform a deep copy + } +} +//! [0] + + +//! [1] +QPixmap p1, p2; +p1.load("image.bmp"); +p2 = p1; // p1 and p2 share data + +QPainter paint; +paint.begin(&p2); // cuts p2 loose from p1 +paint.drawText(0,50, "Hi"); +paint.end(); +//! [1] |