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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);
+}