126 lines
3.6 KiB
C++
126 lines
3.6 KiB
C++
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/****************************************************************************
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**
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** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the test suite of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** No Commercial Usage
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** This file contains pre-release code and may not be distributed.
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** You may use this file in accordance with the terms and conditions
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** contained in the Technology Preview License Agreement accompanying
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** this package.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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**
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**
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "shower.h"
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#include "qengines.h"
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#include <QApplication>
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#include <QSvgRenderer>
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#include <QPainter>
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#include <QPaintEvent>
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#include <QFile>
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#include <QTextStream>
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#include <QTemporaryFile>
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#include <QDir>
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#include <QtDebug>
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static QString loadFile(const QString &name)
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{
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QFile file(name);
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if (!file.open(QFile::ReadOnly)) {
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qDebug("Can't open file '%s'", qPrintable(name));
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return QString();
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}
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QTextStream str(&file);
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return str.readAll();
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}
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Shower::Shower(const QString &file,
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const QString &engineName)
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: QWidget(0)
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{
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foreach(QEngine *qengine, QtEngines::self()->engines()) {
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if (qengine->name() == engineName) {
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engine = qengine;
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break;
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}
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}
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QFileInfo fi(file);
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baseDataDir = fi.absolutePath();
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if (file.endsWith("svg")) {
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renderer = new QSvgRenderer(this);
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renderer->load(file);
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} else {
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qps = QFileInfo(file);
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QString script = loadFile(qps.absoluteFilePath());
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qpsScript = script.split("\n", QString::SkipEmptyParts);
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renderer = 0;
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if (qpsScript.isEmpty()) {
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printf("failed to read file: '%s'\n", qPrintable(qps.fileName()));
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return;
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}
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}
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}
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QSize Shower::sizeHint() const
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{
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return QSize(600, 600);
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}
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void Shower::paintEvent(QPaintEvent *)
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{
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if (buffer.size() != size()) {
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buffer = QImage(size(), QImage::Format_ARGB32_Premultiplied);
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QPainter p(&buffer);
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p.setViewport(0, 0, width(), height());
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p.eraseRect(0, 0, width(), height());
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engine->prepare(size());
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if (renderer) {
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engine->render(renderer, QString("sample"));
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} else {
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engine->render(qpsScript, qps.absoluteFilePath());
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}
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if (!engine->drawOnPainter(&p)) {
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QString tempFileName = QString("%1sample.png").arg(QDir::tempPath());
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engine->save(tempFileName);
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QImage img(tempFileName);
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engine->cleanup();
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QFile::remove(tempFileName);
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p.drawImage(0, 0, img);
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}
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}
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QPainter pt(this);
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pt.drawImage(0, 0, buffer);
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}
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