Long live Qt!

4 files changed, 260 insertions, 0 deletions

diff --git a/examples/qws/dbscreen/dbscreen.cpp b/examples/qws/dbscreen/dbscreen.cpp
new file mode 100644
index 0000000..bd26848
--- /dev/null
+++ b/examples/qws/dbscreen/dbscreen.cpp
@@ -0,0 +1,99 @@
+ /****************************************************************************
+ **
+ ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+ **
+ ** This file is part of the examples 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.
+** $QT_END_LICENSE$
+ **
+ ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+ ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ **
+ ****************************************************************************/
+
+#include "dbscreen.h"
+#include <QApplication>
+
+//! [0]
+bool DBScreen::initDevice()
+{
+    if (!QLinuxFbScreen::initDevice())
+        return false;
+
+    QScreenCursor::initSoftwareCursor();
+    image = new QImage(deviceWidth(), deviceHeight(), pixelFormat());
+    painter = new QPainter(image);
+
+    return true;
+}
+//! [0]
+
+//! [1]
+void DBScreen::shutdownDevice()
+{
+    QLinuxFbScreen::shutdownDevice();
+    delete painter;
+    delete image;
+}
+//! [1]
+
+//! [2]
+void DBScreen::solidFill(const QColor &color, const QRegion &region)
+{
+    QVector<QRect> rects = region.rects();
+    for (int i = 0; i  < rects.size(); i++)
+        painter->fillRect(rects.at(i), color);
+}
+//! [2]
+
+//! [3]
+void DBScreen::blit(const QImage &image, const QPoint &topLeft, const QRegion &region)
+{
+    QVector<QRect> rects = region.rects();
+    for (int i = 0; i < rects.size(); i++) {
+        QRect destRect = rects.at(i);
+        QRect srcRect(destRect.x()-topLeft.x(), destRect.y()-topLeft.y(), destRect.width(), destRect.height());
+        painter->drawImage(destRect.topLeft(), image, srcRect);
+    }
+}
+//! [3]
+
+//! [4]
+void DBScreen::exposeRegion(QRegion region, int changing)
+{
+    QLinuxFbScreen::exposeRegion(region, changing);
+    QLinuxFbScreen::blit(*image, QPoint(0, 0), region);
+}
+//! [4]
+
diff --git a/examples/qws/dbscreen/dbscreen.h b/examples/qws/dbscreen/dbscreen.h
new file mode 100644
index 0000000..00221e9
--- /dev/null
+++ b/examples/qws/dbscreen/dbscreen.h
@@ -0,0 +1,70 @@
+ /****************************************************************************
+ **
+ ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+ **
+ ** This file is part of the examples 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.
+** $QT_END_LICENSE$
+ **
+ ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+ ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ **
+ ****************************************************************************/
+
+#ifndef DBSCREEN_H
+#define DBSCREEN_H
+
+#include <QLinuxFbScreen>
+#include <QPainter>
+
+//! [0]
+class DBScreen : public QLinuxFbScreen
+{
+public:
+    DBScreen(int displayId) : QLinuxFbScreen(displayId) {};
+    ~DBScreen() {}
+    bool initDevice();
+    void shutdownDevice();
+    void blit(const QImage &image, const QPoint &topLeft, const QRegion &region);
+    void solidFill(const QColor &color, const QRegion &region);
+    void exposeRegion(QRegion region, int changing);
+
+private:
+    QPainter *painter;
+    QImage *image;
+};
+//! [0]
+
+#endif // DBSCREEN_H
+
diff --git a/examples/qws/dbscreen/dbscreen.pro b/examples/qws/dbscreen/dbscreen.pro
new file mode 100644
index 0000000..172a02a
--- /dev/null
+++ b/examples/qws/dbscreen/dbscreen.pro
@@ -0,0 +1,11 @@
+TEMPLATE    = lib
+CONFIG     += plugin
+
+TARGET      = dbscreen
+target.path += $$[QT_INSTALL_PLUGINS]/gfxdrivers
+INSTALLS    += target
+
+HEADERS     = dbscreen.h 
+SOURCES     = dbscreendriverplugin.cpp \
+              dbscreen.cpp 
+
diff --git a/examples/qws/dbscreen/dbscreendriverplugin.cpp b/examples/qws/dbscreen/dbscreendriverplugin.cpp
new file mode 100644
index 0000000..36587a1
--- /dev/null
+++ b/examples/qws/dbscreen/dbscreendriverplugin.cpp
@@ -0,0 +1,80 @@
+ /****************************************************************************
+ **
+ ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+ **
+ ** This file is part of the examples 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.
+** $QT_END_LICENSE$
+ **
+ ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+ ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ **
+ ****************************************************************************/
+ 
+#include <QScreenDriverPlugin>
+#include "dbscreen.h"
+
+//! [0]
+class DBScreenDriverPlugin : public QScreenDriverPlugin
+{
+public:
+    DBScreenDriverPlugin();
+    QScreen* create(const QString& key, int displayId);
+    QStringList keys () const;
+};
+//! [0]
+
+DBScreenDriverPlugin::DBScreenDriverPlugin() : QScreenDriverPlugin()
+{
+}
+
+//! [1]
+QScreen* DBScreenDriverPlugin::create(const QString& key, int displayId)
+{
+    if (key.toLower() != "dbscreen")
+        return 0;
+
+    return new DBScreen(displayId);
+}
+//! [1]
+
+//! [2]
+QStringList DBScreenDriverPlugin::keys() const
+{
+    return QStringList() << "dbscreen";
+}
+//! [2] //! [3]
+
+Q_EXPORT_PLUGIN2(dbscreen, DBScreenDriverPlugin)
+//! [3]