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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (qt-info@nokia.com)
**
** This file is part of the test suite 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 "shower.h"
#include "qengines.h"
#include <QApplication>
#include <QSvgRenderer>
#include <QPainter>
#include <QPaintEvent>
#include <QFile>
#include <QTextStream>
#include <QTemporaryFile>
#include <QDir>
#include <QtDebug>
static QString loadFile(const QString &name)
{
QFile file(name);
if (!file.open(QFile::ReadOnly)) {
qDebug("Can't open file '%s'", qPrintable(name));
return QString();
}
QTextStream str(&file);
return str.readAll();
}
Shower::Shower(const QString &file,
const QString &engineName)
: QWidget(0)
{
foreach(QEngine *qengine, QtEngines::self()->engines()) {
if (qengine->name() == engineName) {
engine = qengine;
break;
}
}
QFileInfo fi(file);
baseDataDir = fi.absolutePath();
if (file.endsWith("svg")) {
renderer = new QSvgRenderer(this);
renderer->load(file);
} else {
qps = QFileInfo(file);
QString script = loadFile(qps.absoluteFilePath());
qpsScript = script.split("\n", QString::SkipEmptyParts);
renderer = 0;
if (qpsScript.isEmpty()) {
printf("failed to read file: '%s'\n", qPrintable(qps.fileName()));
return;
}
}
}
QSize Shower::sizeHint() const
{
return QSize(600, 600);
}
void Shower::paintEvent(QPaintEvent *)
{
if (buffer.size() != size()) {
buffer = QImage(size(), QImage::Format_ARGB32_Premultiplied);
QPainter p(&buffer);
p.setViewport(0, 0, width(), height());
p.eraseRect(0, 0, width(), height());
engine->prepare(size());
if (renderer) {
engine->render(renderer, QString("sample"));
} else {
engine->render(qpsScript, qps.absoluteFilePath());
}
if (!engine->drawOnPainter(&p)) {
QString tempFileName = QString("%1sample.png").arg(QDir::tempPath());
engine->save(tempFileName);
QImage img(tempFileName);
engine->cleanup();
QFile::remove(tempFileName);
p.drawImage(0, 0, img);
}
}
QPainter pt(this);
pt.drawImage(0, 0, buffer);
}
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