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author | Lars Knoll <lars.knoll@nokia.com> | 2009-03-23 09:18:55 (GMT) |
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committer | Simon Hausmann <simon.hausmann@nokia.com> | 2009-03-23 09:18:55 (GMT) |
commit | e5fcad302d86d316390c6b0f62759a067313e8a9 (patch) | |
tree | c2afbf6f1066b6ce261f14341cf6d310e5595bc1 /doc/src/snippets/qlineargradient | |
download | Qt-e5fcad302d86d316390c6b0f62759a067313e8a9.zip Qt-e5fcad302d86d316390c6b0f62759a067313e8a9.tar.gz Qt-e5fcad302d86d316390c6b0f62759a067313e8a9.tar.bz2 |
Long live Qt 4.5!
Diffstat (limited to 'doc/src/snippets/qlineargradient')
-rw-r--r-- | doc/src/snippets/qlineargradient/main.cpp | 51 | ||||
-rw-r--r-- | doc/src/snippets/qlineargradient/paintwidget.cpp | 68 | ||||
-rw-r--r-- | doc/src/snippets/qlineargradient/paintwidget.h | 60 | ||||
-rw-r--r-- | doc/src/snippets/qlineargradient/qlineargradient.pro | 3 |
4 files changed, 182 insertions, 0 deletions
diff --git a/doc/src/snippets/qlineargradient/main.cpp b/doc/src/snippets/qlineargradient/main.cpp new file mode 100644 index 0000000..69384c4 --- /dev/null +++ b/doc/src/snippets/qlineargradient/main.cpp @@ -0,0 +1,51 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the documentation of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** 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 qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <QtGui> +#include "paintwidget.h" + +int main(int argc, char *argv[]) +{ + QApplication app(argc, argv); + PaintWidget window; + window.show(); + return app.exec(); +} diff --git a/doc/src/snippets/qlineargradient/paintwidget.cpp b/doc/src/snippets/qlineargradient/paintwidget.cpp new file mode 100644 index 0000000..79d77c6 --- /dev/null +++ b/doc/src/snippets/qlineargradient/paintwidget.cpp @@ -0,0 +1,68 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the documentation of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** 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 qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#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(); +} diff --git a/doc/src/snippets/qlineargradient/paintwidget.h b/doc/src/snippets/qlineargradient/paintwidget.h new file mode 100644 index 0000000..642f1c3 --- /dev/null +++ b/doc/src/snippets/qlineargradient/paintwidget.h @@ -0,0 +1,60 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the documentation of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** 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 qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef PAINTWIDGET_H +#define PAINTWIDGET_H + +#include <QWidget> + +class QPaintEvent; + +class PaintWidget : public QWidget +{ + Q_OBJECT + +public: + PaintWidget(QWidget *parent = 0); + +protected: + void paintEvent(QPaintEvent *event); +}; + +#endif diff --git a/doc/src/snippets/qlineargradient/qlineargradient.pro b/doc/src/snippets/qlineargradient/qlineargradient.pro new file mode 100644 index 0000000..48c7d9e --- /dev/null +++ b/doc/src/snippets/qlineargradient/qlineargradient.pro @@ -0,0 +1,3 @@ +HEADERS = paintwidget.h +SOURCES = main.cpp \ + paintwidget.cpp |