diff options
| author | Casper van Donderen <casper.vandonderen@nokia.com> | 2011-06-29 12:15:06 +0200 |
|---|---|---|
| committer | Qt by Nokia <qt-info@nokia.com> | 2011-07-01 15:03:33 +0200 |
| commit | 640c5d8a992f4ac6f9068aea9ec51a99a40dfc16 (patch) | |
| tree | 703035f95b240303f3e42ab2a0c2397d1ca11ecc /doc/src/examples | |
| parent | df515ded6096a3c24df7bc9307a12790a6f474e1 (diff) | |
Move the composition example in the docs.
Change-Id: I63e906e78de75466b9c9bf99d553691c8335f9b2
Reviewed-on: http://codereview.qt.nokia.com/903
Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: Kevin Wright <kevin.wright@nokia.com>
Diffstat (limited to 'doc/src/examples')
| -rw-r--r-- | doc/src/examples/composition.qdoc | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/doc/src/examples/composition.qdoc b/doc/src/examples/composition.qdoc new file mode 100644 index 0000000000..53ca3dbf7a --- /dev/null +++ b/doc/src/examples/composition.qdoc @@ -0,0 +1,44 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the documentation of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:FDL$ +** GNU Free Documentation License +** Alternatively, this file may be used under the terms of the GNU Free +** Documentation License version 1.3 as published by the Free Software +** Foundation and appearing in the file included in the packaging of +** this file. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms +** and conditions contained in a signed written agreement between you +** and Nokia. +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +/*! + \example painting/composition + \title Composition Modes + + This demo shows some of the more advanced composition modes supported by Qt. + + \image composition-demo.png + + The two most common forms of composition are \bold{Source} and \bold{SourceOver}. + \bold{Source} is used to draw opaque objects onto a paint device. In this mode, + each pixel in the source replaces the corresponding pixel in the destination. + In \bold{SourceOver} composition mode, the source object is transparent and is + drawn on top of the destination. + + In addition to these standard modes, Qt defines the complete set of composition modes + as defined by X. Porter and Y. Duff. See the QPainter documentation for details. +*/ |