Long live Qt 4.5!

4 files changed, 381 insertions, 0 deletions

diff --git a/src/plugins/imageformats/svg/main.cpp b/src/plugins/imageformats/svg/main.cpp
new file mode 100644
index 0000000..978ae40
--- /dev/null
+++ b/src/plugins/imageformats/svg/main.cpp
@@ -0,0 +1,102 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the plugins 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 <qimageiohandler.h>
+#include <qstringlist.h>
+
+#if !defined(QT_NO_IMAGEFORMATPLUGIN) && !defined(QT_NO_SVGRENDERER)
+
+#include "qsvgiohandler.h"
+
+#include <qiodevice.h>
+#include <qbytearray.h>
+#include <qdebug.h>
+
+QT_BEGIN_NAMESPACE
+
+class QSvgPlugin : public QImageIOPlugin
+{
+public:
+    QStringList keys() const;
+    Capabilities capabilities(QIODevice *device, const QByteArray &format) const;
+    QImageIOHandler *create(QIODevice *device, const QByteArray &format = QByteArray()) const;
+};
+
+QStringList QSvgPlugin::keys() const
+{
+    return QStringList() << QLatin1String("svg");
+}
+
+QImageIOPlugin::Capabilities QSvgPlugin::capabilities(QIODevice *device, const QByteArray &format) const
+{
+    //### canRead disabled for now because it's hard to detect
+    //    whether the file is actually svg without parsing it
+    //if (device->isReadable() && QSvgIOHandler::canRead(device))
+
+    if (format == "svg")
+        return Capabilities(CanRead);
+    else
+        return 0;
+
+
+    if (!device->isOpen())
+        return 0;
+
+    Capabilities cap;
+    if (device->isReadable())
+        cap |= CanRead;
+    return cap;
+}
+
+QImageIOHandler *QSvgPlugin::create(QIODevice *device, const QByteArray &format) const
+{
+    QSvgIOHandler *hand = new QSvgIOHandler();
+    hand->setDevice(device);
+    hand->setFormat(format);
+    return hand;
+}
+
+Q_EXPORT_STATIC_PLUGIN(QSvgPlugin)
+Q_EXPORT_PLUGIN2(qsvg, QSvgPlugin)
+
+QT_END_NAMESPACE
+
+#endif // !QT_NO_IMAGEFORMATPLUGIN
diff --git a/src/plugins/imageformats/svg/qsvgiohandler.cpp b/src/plugins/imageformats/svg/qsvgiohandler.cpp
new file mode 100644
index 0000000..41b247b
--- /dev/null
+++ b/src/plugins/imageformats/svg/qsvgiohandler.cpp
@@ -0,0 +1,191 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the plugins 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 "qsvgiohandler.h"
+
+#ifndef QT_NO_SVGRENDERER
+
+#include "qsvgrenderer.h"
+#include "qimage.h"
+#include "qpixmap.h"
+#include "qpainter.h"
+#include "qvariant.h"
+#include "qdebug.h"
+
+QT_BEGIN_NAMESPACE
+
+class QSvgIOHandlerPrivate
+{
+public:
+    QSvgIOHandlerPrivate()
+        : r(new QSvgRenderer()), loaded(false)
+    {}
+    ~QSvgIOHandlerPrivate()
+    {
+        delete r;
+    }
+
+    bool load(QIODevice *device);
+
+    QSvgRenderer *r;
+    QSize         defaultSize;
+    QSize         currentSize;
+    bool          loaded;
+};
+
+bool QSvgIOHandlerPrivate::load(QIODevice *device)
+{
+    if (loaded)
+        return true;
+
+    if (r->load(device->readAll())) {
+        defaultSize = QSize(r->viewBox().width(), r->viewBox().height());
+        if (currentSize.isEmpty())
+            currentSize = defaultSize;
+    }
+    loaded = r->isValid();
+
+    return loaded;
+}
+
+QSvgIOHandler::QSvgIOHandler()
+    : d(new QSvgIOHandlerPrivate())
+{
+
+}
+
+
+QSvgIOHandler::~QSvgIOHandler()
+{
+    delete d;
+}
+
+
+bool QSvgIOHandler::canRead() const
+{
+    QByteArray contents = device()->peek(80);
+
+    return contents.contains("<svg");
+}
+
+
+QByteArray QSvgIOHandler::name() const
+{
+    return "svg";
+}
+
+
+bool QSvgIOHandler::read(QImage *image)
+{
+    if (d->load(device())) {
+        *image = QImage(d->currentSize, QImage::Format_ARGB32_Premultiplied);
+        if (!d->currentSize.isEmpty()) {
+            image->fill(0x00000000);
+            QPainter p(image);
+            d->r->render(&p);
+            p.end();
+        }
+        return true;
+    }
+
+    return false;
+}
+
+
+QVariant QSvgIOHandler::option(ImageOption option) const
+{
+    switch(option) {
+    case ImageFormat:
+        return QImage::Format_ARGB32_Premultiplied;
+        break;
+    case Size:
+        d->load(device());
+        return d->defaultSize;
+        break;
+    case ScaledSize:
+        return d->currentSize;
+        break;
+    default:
+        break;
+    }
+    return QVariant();
+}
+
+
+void QSvgIOHandler::setOption(ImageOption option, const QVariant & value)
+{
+    switch(option) {
+    case Size:
+        d->defaultSize = value.toSize();
+        d->currentSize = value.toSize();
+        break;
+    case ScaledSize:
+        d->currentSize = value.toSize();
+        break;
+    default:
+        break;
+    }
+}
+
+
+bool QSvgIOHandler::supportsOption(ImageOption option) const
+{
+    switch(option)
+    {
+    case ImageFormat:
+    case Size:
+    case ScaledSize:
+        return true;
+    default:
+        break;
+    }
+    return false;
+}
+
+bool QSvgIOHandler::canRead(QIODevice *device)
+{
+    QByteArray contents = device->peek(80);
+    return contents.contains("<svg");
+}
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_SVGRENDERER
diff --git a/src/plugins/imageformats/svg/qsvgiohandler.h b/src/plugins/imageformats/svg/qsvgiohandler.h
new file mode 100644
index 0000000..a7a5528
--- /dev/null
+++ b/src/plugins/imageformats/svg/qsvgiohandler.h
@@ -0,0 +1,77 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the plugins 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 QSVGIOHANDLER_H
+#define QSVGIOHANDLER_H
+
+#include <QtGui/qimageiohandler.h>
+
+#ifndef QT_NO_SVGRENDERER
+
+QT_BEGIN_NAMESPACE
+
+class QImage;
+class QByteArray;
+class QIODevice;
+class QVariant;
+class QSvgIOHandlerPrivate;
+
+class QSvgIOHandler : public QImageIOHandler
+{
+public:
+    QSvgIOHandler();
+    ~QSvgIOHandler();
+    virtual bool canRead() const;
+    virtual QByteArray name() const;
+    virtual bool read(QImage *image);
+    static bool canRead(QIODevice *device);
+    virtual QVariant option(ImageOption option) const;
+    virtual void setOption(ImageOption option, const QVariant & value);
+    virtual bool supportsOption(ImageOption option) const;
+
+private:
+    QSvgIOHandlerPrivate *d;
+};
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_SVGRENDERER
+#endif // QSVGIOHANDLER_H
diff --git a/src/plugins/imageformats/svg/svg.pro b/src/plugins/imageformats/svg/svg.pro
new file mode 100644
index 0000000..747d556
--- /dev/null
+++ b/src/plugins/imageformats/svg/svg.pro
@@ -0,0 +1,11 @@
+TARGET  = qsvg
+include(../../qpluginbase.pri)
+
+HEADERS += qsvgiohandler.h
+SOURCES += main.cpp \
+           qsvgiohandler.cpp
+QT += xml svg
+
+QTDIR_build:DESTDIR = $$QT_BUILD_TREE/plugins/imageformats
+target.path += $$[QT_INSTALL_PLUGINS]/imageformats
+INSTALLS += target