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author | Lars Knoll <lars.knoll@nokia.com> | 2009-03-23 09:18:55 (GMT) |
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committer | Simon Hausmann <simon.hausmann@nokia.com> | 2009-03-23 09:18:55 (GMT) |
commit | e5fcad302d86d316390c6b0f62759a067313e8a9 (patch) | |
tree | c2afbf6f1066b6ce261f14341cf6d310e5595bc1 /doc/src/snippets/code/doc_src_groups.qdoc | |
download | Qt-e5fcad302d86d316390c6b0f62759a067313e8a9.zip Qt-e5fcad302d86d316390c6b0f62759a067313e8a9.tar.gz Qt-e5fcad302d86d316390c6b0f62759a067313e8a9.tar.bz2 |
Long live Qt 4.5!
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] |