tests/arthur/shower/shower.cpp
changeset 0 1918ee327afb
child 4 3b1da2848fc7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/arthur/shower/shower.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,125 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (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 Technology Preview License Agreement accompanying
+** this package.
+**
+** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@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);
+}