source: trunk/doc/src/snippets/qlineargradient/paintwidget.cpp@ 561

Last change on this file since 561 was 561, checked in by Dmitry A. Kuminov, 15 years ago

trunk: Merged in qt 4.6.1 sources.

File size: 2.7 KB
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1/****************************************************************************
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3** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
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41
42#include <QtGui>
43#include "paintwidget.h"
44
45PaintWidget::PaintWidget(QWidget *parent)
46 : QWidget(parent)
47{
48}
49
50void PaintWidget::paintEvent(QPaintEvent *event)
51{
52 QLinearGradient gradient1(rect().topLeft(), rect().bottomRight());
53 gradient1.setColorAt(0, QColor("#ffffcc"));
54 gradient1.setColorAt(1, QColor("#ccccff"));
55
56 QRectF ellipseRect(width()*0.25, height()*0.25, width()*0.5, height()*0.5);
57 QLinearGradient gradient2(ellipseRect.topLeft(), ellipseRect.bottomRight());
58 gradient2.setColorAt(0, QColor("#ccccff"));
59 gradient2.setColorAt(1, QColor("#ffffcc"));
60
61 QPainter painter;
62 painter.begin(this);
63 painter.setRenderHint(QPainter::Antialiasing);
64 painter.fillRect(rect(), QBrush(gradient1));
65 painter.setBrush(QBrush(gradient2));
66 painter.drawEllipse(ellipseRect);
67 painter.end();
68}
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