1 files changed, 426 insertions, 0 deletions
diff --git a/src/gui/painting/qgraphicssystem_runtime.cpp b/src/gui/painting/qgraphicssystem_runtime.cpp
new file mode 100644
index 0000000000..d1dd7ef392
--- /dev/null
+++ b/src/gui/painting/qgraphicssystem_runtime.cpp
@@ -0,0 +1,426 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtGui module 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 <private/qgraphicssystem_runtime_p.h>
+#include <private/qgraphicssystem_raster_p.h>
+#include <private/qgraphicssystemfactory_p.h>
+#include <private/qapplication_p.h>
+#include <private/qwidget_p.h>
+#include <QtCore/QDebug>
+#include <QtCore/QTimer>
+#include <QtGui/QBitmap>
+
+QT_BEGIN_NAMESPACE
+
+static int qt_pixmap_serial = 0;
+
+#define READBACK(f)                                         \
+    f                                                       \
+    readBackInfo();
+
+
+class QDeferredGraphicsSystemChange : public QObject
+{
+    Q_OBJECT
+
+public:
+    QDeferredGraphicsSystemChange(QRuntimeGraphicsSystem *gs, const QString& graphicsSystemName)
+    : m_graphicsSystem(gs), m_graphicsSystemName(graphicsSystemName)
+    {
+    }
+
+    void launch()
+    {
+        QTimer::singleShot(0, this, SLOT(doChange()));
+    }
+
+private slots:
+
+    void doChange()
+    {
+        m_graphicsSystem->setGraphicsSystem(m_graphicsSystemName);
+        deleteLater();
+    }
+
+private:
+
+    QRuntimeGraphicsSystem *m_graphicsSystem;
+    QString m_graphicsSystemName;
+};
+
+QRuntimePixmapData::QRuntimePixmapData(const QRuntimeGraphicsSystem *gs, PixelType type)
+        : QPixmapData(type, RuntimeClass), m_graphicsSystem(gs)
+{
+    setSerialNumber(++qt_pixmap_serial);
+}
+
+QRuntimePixmapData::~QRuntimePixmapData()
+{
+    if (QApplicationPrivate::graphics_system)
+        m_graphicsSystem->removePixmapData(this);
+    delete m_data;
+}
+
+void QRuntimePixmapData::readBackInfo()
+{
+    w = m_data->width();
+    h = m_data->height();
+    d = m_data->depth();
+    is_null = m_data->isNull();
+}
+
+
+QPixmapData *QRuntimePixmapData::createCompatiblePixmapData() const
+{
+    QRuntimePixmapData *rtData = new QRuntimePixmapData(m_graphicsSystem, pixelType());
+    rtData->m_data = m_data->createCompatiblePixmapData();
+    return rtData;
+}
+
+
+void QRuntimePixmapData::resize(int width, int height)
+{
+    READBACK(
+        m_data->resize(width, height);
+    )
+}
+
+
+void QRuntimePixmapData::fromImage(const QImage &image,
+                                   Qt::ImageConversionFlags flags)
+{
+    READBACK(
+        m_data->fromImage(image, flags);
+    )
+}
+
+
+bool QRuntimePixmapData::fromFile(const QString &filename, const char *format,
+                                  Qt::ImageConversionFlags flags)
+{
+    bool success(false);
+    READBACK(
+        success = m_data->fromFile(filename, format, flags);
+    )
+    return success;
+}
+
+bool QRuntimePixmapData::fromData(const uchar *buffer, uint len, const char *format,
+                                  Qt::ImageConversionFlags flags)
+{
+    bool success(false);
+    READBACK(
+        success = m_data->fromData(buffer, len, format, flags);
+    )
+    return success;
+}
+
+
+void QRuntimePixmapData::copy(const QPixmapData *data, const QRect &rect)
+{
+    if (data->runtimeData()) {
+        READBACK(
+            m_data->copy(data->runtimeData(), rect);
+        )
+    } else {
+        READBACK(
+            m_data->copy(data, rect);
+        )
+    }
+}
+
+bool QRuntimePixmapData::scroll(int dx, int dy, const QRect &rect)
+{
+    return m_data->scroll(dx, dy, rect);
+}
+
+
+int QRuntimePixmapData::metric(QPaintDevice::PaintDeviceMetric metric) const
+{
+    return m_data->metric(metric);
+}
+
+void QRuntimePixmapData::fill(const QColor &color)
+{
+    return m_data->fill(color);
+}
+
+QBitmap QRuntimePixmapData::mask() const
+{
+    return m_data->mask();
+}
+
+void QRuntimePixmapData::setMask(const QBitmap &mask)
+{
+    READBACK(
+        m_data->setMask(mask);
+    )
+}
+
+bool QRuntimePixmapData::hasAlphaChannel() const
+{
+    return m_data->hasAlphaChannel();
+}
+
+QPixmap QRuntimePixmapData::transformed(const QTransform &matrix,
+                                        Qt::TransformationMode mode) const
+{
+    return m_data->transformed(matrix, mode);
+}
+
+void QRuntimePixmapData::setAlphaChannel(const QPixmap &alphaChannel)
+{
+    READBACK(
+        m_data->setAlphaChannel(alphaChannel);
+    )
+}
+
+QPixmap QRuntimePixmapData::alphaChannel() const
+{
+    return m_data->alphaChannel();
+}
+
+QImage QRuntimePixmapData::toImage() const
+{
+    return m_data->toImage();
+}
+
+QPaintEngine* QRuntimePixmapData::paintEngine() const
+{
+    return m_data->paintEngine();
+}
+
+QImage* QRuntimePixmapData::buffer()
+{
+    return m_data->buffer();
+}
+
+#if defined(Q_OS_SYMBIAN)
+void* QRuntimePixmapData::toNativeType(NativeType type)
+{
+    return m_data->toNativeType(type);
+}
+
+void QRuntimePixmapData::fromNativeType(void *pixmap, NativeType type)
+{
+    m_data->fromNativeType(pixmap, type);
+    readBackInfo();
+}
+#endif
+
+QPixmapData* QRuntimePixmapData::runtimeData() const
+{
+    return m_data;
+}
+
+QRuntimeWindowSurface::QRuntimeWindowSurface(const QRuntimeGraphicsSystem *gs, QWidget *window)
+    : QWindowSurface(window), m_graphicsSystem(gs)
+{
+
+}
+
+QRuntimeWindowSurface::~QRuntimeWindowSurface()
+{
+    if (QApplicationPrivate::graphics_system)
+        m_graphicsSystem->removeWindowSurface(this);
+}
+
+QPaintDevice *QRuntimeWindowSurface::paintDevice()
+{
+    return m_windowSurface->paintDevice();
+}
+
+void QRuntimeWindowSurface::flush(QWidget *widget, const QRegion &region,
+                                  const QPoint &offset)
+{
+    m_windowSurface->flush(widget, region, offset);
+
+    int destroyPolicy = m_graphicsSystem->windowSurfaceDestroyPolicy();
+    if(m_pendingWindowSurface &&
+        destroyPolicy == QRuntimeGraphicsSystem::DestroyAfterFirstFlush) {
+#ifdef QT_DEBUG
+        qDebug() << "QRuntimeWindowSurface::flush() - destroy pending window surface";
+#endif
+        m_pendingWindowSurface.reset();
+    }
+}
+
+void QRuntimeWindowSurface::setGeometry(const QRect &rect)
+{
+    QWindowSurface::setGeometry(rect);
+    m_windowSurface->setGeometry(rect);
+}
+
+bool QRuntimeWindowSurface::scroll(const QRegion &area, int dx, int dy)
+{
+    return m_windowSurface->scroll(area, dx, dy);
+}
+
+void QRuntimeWindowSurface::beginPaint(const QRegion &rgn)
+{
+    m_windowSurface->beginPaint(rgn);
+}
+
+void QRuntimeWindowSurface::endPaint(const QRegion &rgn)
+{
+    m_windowSurface->endPaint(rgn);
+}
+
+QImage* QRuntimeWindowSurface::buffer(const QWidget *widget)
+{
+    return m_windowSurface->buffer(widget);
+}
+
+QPixmap QRuntimeWindowSurface::grabWidget(const QWidget *widget, const QRect& rectangle) const
+{
+    return m_windowSurface->grabWidget(widget, rectangle);
+}
+
+QPoint QRuntimeWindowSurface::offset(const QWidget *widget) const
+{
+    return m_windowSurface->offset(widget);
+}
+
+QWindowSurface::WindowSurfaceFeatures QRuntimeWindowSurface::features() const
+{
+    return m_windowSurface->features();
+}
+
+QRuntimeGraphicsSystem::QRuntimeGraphicsSystem()
+    : m_windowSurfaceDestroyPolicy(DestroyImmediately),
+      m_graphicsSystem(0)
+{
+    QApplicationPrivate::runtime_graphics_system = true;
+
+#ifdef QT_DEFAULT_RUNTIME_SYSTEM
+    m_graphicsSystemName = QLatin1String(QT_DEFAULT_RUNTIME_SYSTEM);
+    if (m_graphicsSystemName.isNull())
+#endif
+        m_graphicsSystemName = QLatin1String("raster");
+
+#ifdef Q_OS_SYMBIAN
+    m_windowSurfaceDestroyPolicy = DestroyAfterFirstFlush;
+#endif
+
+    m_graphicsSystem = QGraphicsSystemFactory::create(m_graphicsSystemName);
+
+    QApplicationPrivate::graphics_system_name = QLatin1String("runtime");
+}
+
+
+QPixmapData *QRuntimeGraphicsSystem::createPixmapData(QPixmapData::PixelType type) const
+{
+    Q_ASSERT(m_graphicsSystem);
+    QPixmapData *data = m_graphicsSystem->createPixmapData(type);
+
+    QRuntimePixmapData *rtData = new QRuntimePixmapData(this, type);
+    rtData->m_data = data;
+    m_pixmapDatas << rtData;
+
+    return rtData;
+}
+
+QWindowSurface *QRuntimeGraphicsSystem::createWindowSurface(QWidget *widget) const
+{
+    Q_ASSERT(m_graphicsSystem);
+    QRuntimeWindowSurface *rtSurface = new QRuntimeWindowSurface(this, widget);
+    rtSurface->m_windowSurface.reset(m_graphicsSystem->createWindowSurface(widget));
+    widget->setWindowSurface(rtSurface);
+    m_windowSurfaces << rtSurface;
+    return rtSurface;
+}
+
+void QRuntimeGraphicsSystem::setGraphicsSystem(const QString &name)
+{
+    if (m_graphicsSystemName == name)
+        return;
+#ifdef QT_DEBUG
+    qDebug() << "QRuntimeGraphicsSystem::setGraphicsSystem( " << name << " )";
+#endif
+    QGraphicsSystem *oldSystem = m_graphicsSystem;
+    m_graphicsSystem = QGraphicsSystemFactory::create(name);
+    m_graphicsSystemName = name;
+
+    Q_ASSERT(m_graphicsSystem);
+
+    m_pendingGraphicsSystemName = QString();
+
+    for (int i = 0; i < m_pixmapDatas.size(); ++i) {
+        QRuntimePixmapData *proxy = m_pixmapDatas.at(i);
+        QPixmapData *newData = m_graphicsSystem->createPixmapData(proxy->m_data);
+        newData->fromImage(proxy->m_data->toImage(), Qt::NoOpaqueDetection);
+        delete proxy->m_data;
+        proxy->m_data = newData;
+        proxy->readBackInfo();
+    }
+
+    for (int i = 0; i < m_windowSurfaces.size(); ++i) {
+        QRuntimeWindowSurface *proxy = m_windowSurfaces.at(i);
+        QWidget *widget = proxy->m_windowSurface->window();
+
+        if(m_windowSurfaceDestroyPolicy == DestroyAfterFirstFlush)
+            proxy->m_pendingWindowSurface.reset(proxy->m_windowSurface.take());
+
+        QWindowSurface *newWindowSurface = m_graphicsSystem->createWindowSurface(widget);
+        newWindowSurface->setGeometry(proxy->geometry());
+
+        proxy->m_windowSurface.reset(newWindowSurface);
+        qt_widget_private(widget)->invalidateBuffer(widget->rect());
+    }
+
+    delete oldSystem;
+}
+
+void QRuntimeGraphicsSystem::removePixmapData(QRuntimePixmapData *pixmapData) const
+{
+    int index = m_pixmapDatas.lastIndexOf(pixmapData);
+    m_pixmapDatas.removeAt(index);
+}
+
+void QRuntimeGraphicsSystem::removeWindowSurface(QRuntimeWindowSurface *windowSurface) const
+{
+    int index = m_windowSurfaces.lastIndexOf(windowSurface);
+    m_windowSurfaces.removeAt(index);
+}
+
+#include "qgraphicssystem_runtime.moc"
+
+QT_END_NAMESPACE