| [2] | 1 | /****************************************************************************
|
|---|
| 2 | **
|
|---|
| [846] | 3 | ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
|
|---|
| [561] | 4 | ** All rights reserved.
|
|---|
| 5 | ** Contact: Nokia Corporation ([email protected])
|
|---|
| [2] | 6 | **
|
|---|
| 7 | ** This file is part of the documentation of the Qt Toolkit.
|
|---|
| 8 | **
|
|---|
| [846] | 9 | ** $QT_BEGIN_LICENSE:FDL$
|
|---|
| [2] | 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
|
|---|
| [846] | 13 | ** Software or, alternatively, in accordance with the terms contained in a
|
|---|
| 14 | ** written agreement between you and Nokia.
|
|---|
| [2] | 15 | **
|
|---|
| [846] | 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.
|
|---|
| [2] | 21 | **
|
|---|
| [561] | 22 | ** If you have questions regarding the use of this file, please contact
|
|---|
| 23 | ** Nokia at [email protected].
|
|---|
| [2] | 24 | ** $QT_END_LICENSE$
|
|---|
| 25 | **
|
|---|
| 26 | ****************************************************************************/
|
|---|
| 27 |
|
|---|
| 28 | /*!
|
|---|
| 29 | \example painting/imagecomposition
|
|---|
| 30 | \title Image Composition Example
|
|---|
| 31 |
|
|---|
| 32 | The Image Composition example lets the user combine images
|
|---|
| 33 | together using any composition mode supported by QPainter, described
|
|---|
| 34 | in detail in \l{QPainter#Composition Modes}{Composition Modes}.
|
|---|
| 35 |
|
|---|
| 36 | \image imagecomposition-example.png
|
|---|
| 37 |
|
|---|
| 38 | \section1 Setting Up The Resource File
|
|---|
| 39 |
|
|---|
| 40 | The Image Composition example requires two source images,
|
|---|
| 41 | \e butterfly.png and \e checker.png that are embedded within
|
|---|
| 42 | \e imagecomposition.qrc. The file contains the following code:
|
|---|
| 43 |
|
|---|
| 44 | \quotefile examples/painting/imagecomposition/imagecomposition.qrc
|
|---|
| 45 |
|
|---|
| 46 | For more information on resource files, see \l{The Qt Resource System}.
|
|---|
| 47 |
|
|---|
| 48 | \section1 ImageComposer Class Definition
|
|---|
| 49 |
|
|---|
| 50 | The \c ImageComposer class is a subclass of QWidget that implements three
|
|---|
| 51 | private slots, \c chooseSource(), \c chooseDestination(), and
|
|---|
| |
|---|
