aboutsummaryrefslogtreecommitdiffstats
path: root/doc/codesnippets/doc/src/snippets/qlineargradient/paintwidget.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'doc/codesnippets/doc/src/snippets/qlineargradient/paintwidget.cpp')
-rw-r--r--doc/codesnippets/doc/src/snippets/qlineargradient/paintwidget.cpp68
1 files changed, 68 insertions, 0 deletions
diff --git a/doc/codesnippets/doc/src/snippets/qlineargradient/paintwidget.cpp b/doc/codesnippets/doc/src/snippets/qlineargradient/paintwidget.cpp
new file mode 100644
index 000000000..c951af97b
--- /dev/null
+++ b/doc/codesnippets/doc/src/snippets/qlineargradient/paintwidget.cpp
@@ -0,0 +1,68 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the documentation of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial Usage
+** Licensees holding valid Qt Commercial licenses may use this file in
+** accordance with the Qt Commercial License Agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Nokia.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at http://www.qtsoftware.com/contact.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtGui>
+#include "paintwidget.h"
+
+PaintWidget::PaintWidget(QWidget *parent)
+ : QWidget(parent)
+{
+}
+
+void PaintWidget::paintEvent(QPaintEvent *event)
+{
+ QLinearGradient gradient1(rect().topLeft(), rect().bottomRight());
+ gradient1.setColorAt(0, QColor("#ffffcc"));
+ gradient1.setColorAt(1, QColor("#ccccff"));
+
+ QRectF ellipseRect(width()*0.25, height()*0.25, width()*0.5, height()*0.5);
+ QLinearGradient gradient2(ellipseRect.topLeft(), ellipseRect.bottomRight());
+ gradient2.setColorAt(0, QColor("#ccccff"));
+ gradient2.setColorAt(1, QColor("#ffffcc"));
+
+ QPainter painter;
+ painter.begin(this);
+ painter.setRenderHint(QPainter::Antialiasing);
+ painter.fillRect(rect(), QBrush(gradient1));
+ painter.setBrush(QBrush(gradient2));
+ painter.drawEllipse(ellipseRect);
+ painter.end();
+}