source: trunk/doc/src/demos/affine.qdoc@ 1147

Last change on this file since 1147 was 846, checked in by Dmitry A. Kuminov, 14 years ago

trunk: Merged in qt 4.7.2 sources from branches/vendor/nokia/qt.

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1/****************************************************************************
2**
3** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
4** All rights reserved.
5** Contact: Nokia Corporation (qt-info@nokia.com)
6**
7** This file is part of the documentation of the Qt Toolkit.
8**
9** $QT_BEGIN_LICENSE:FDL$
10** Commercial Usage
11** Licensees holding valid Qt Commercial licenses may use this file in
12** accordance with the Qt Commercial License Agreement provided with the
13** Software or, alternatively, in accordance with the terms contained in a
14** written agreement between you and Nokia.
15**
16** GNU Free Documentation License
17** Alternatively, this file may be used under the terms of the GNU Free
18** Documentation License version 1.3 as published by the Free Software
19** Foundation and appearing in the file included in the packaging of this
20** file.
21**
22** If you have questions regarding the use of this file, please contact
23** Nokia at qt-info@nokia.com.
24** $QT_END_LICENSE$
25**
26****************************************************************************/
27
28/*!
29 \example demos/affine
30 \title Affine Transformations
31
32 In this demo we show Qt's ability to perform affine transformations
33 on painting operations.
34
35 \image affine-demo.png
36
37 Transformations can be performed on any kind of graphics drawn using QPainter.
38 The transformations used to display the vector graphics, images, and text can be adjusted
39 in the following ways:
40
41 \list
42 \o Dragging the red circle in the centre of each drawing moves it to a new position.
43 \o Dragging the displaced red circle causes the current drawing to be rotated about the
44 central circle. Rotation can also be controlled with the \key Rotate slider.
45 \o Scaling is controlled with the \key Scale slider.
46 \o Each drawing can be sheared with the \key Shear slider.
47 \endlist
48*/
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