source: trunk/examples/widgets/scribble/scribblearea.cpp@ 5

Last change on this file since 5 was 2, checked in by Dmitry A. Kuminov, 16 years ago

Initially imported qt-all-opensource-src-4.5.1 from Trolltech.

File size: 5.7 KB
Line 
1/****************************************************************************
2**
3** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
4** Contact: Qt Software Information ([email protected])
5**
6** This file is part of the examples of the Qt Toolkit.
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40****************************************************************************/
41
42#include <QtGui>
43
44#include "scribblearea.h"
45
46//! [0]
47ScribbleArea::ScribbleArea(QWidget *parent)
48 : QWidget(parent)
49{
50 setAttribute(Qt::WA_StaticContents);
51 modified = false;
52 scribbling = false;
53 myPenWidth = 1;
54 myPenColor = Qt::blue;
55}
56//! [0]
57
58//! [1]
59bool ScribbleArea::openImage(const QString &fileName)
60//! [1] //! [2]
61{
62 QImage loadedImage;
63 if (!loadedImage.load(fileName))
64 return false;
65
66 QSize newSize = loadedImage.size().expandedTo(size());
67 resizeImage(&loadedImage, newSize);
68 image = loadedImage;
69 modified = false;
70 update();
71 return true;
72}
73//! [2]
74
75//! [3]
76bool ScribbleArea::saveImage(const QString &fileName, const char *fileFormat)
77//! [3] //! [4]
78{
79 QImage visibleImage = image;
80 resizeImage(&visibleImage, size());
81
82 if (visibleImage.save(fileName, fileFormat)) {
83 modified = false;
84 return true;
85 } else {
86 return false;
87 }
88}
89//! [4]
90
91//! [5]
92void ScribbleArea::setPenColor(const QColor &newColor)
93//! [5] //! [6]
94{
95 myPenColor = newColor;
96}
97//! [6]
98
99//! [7]