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authorLars Knoll <lars.knoll@nokia.com>2009-03-23 09:18:55 (GMT)
committerSimon Hausmann <simon.hausmann@nokia.com>2009-03-23 09:18:55 (GMT)
commite5fcad302d86d316390c6b0f62759a067313e8a9 (patch)
treec2afbf6f1066b6ce261f14341cf6d310e5595bc1 /doc/src/snippets/code/doc_src_groups.qdoc
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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.qdoc26
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]