Make QQuickRenderControl public

QQuickRenderControl allows rendering Qt Quick 2 scenes into framebuffer
objects which can then be used in arbitrary ways in Qt-based or 3rd party
OpenGL renderers.

[ChangeLog][QtQuick] Introduced QQuickRenderControl as a public API.

Task-number: QTBUG-37944
Change-Id: I84262243b261b35cefdf67ec6bba8127a0f29275
Reviewed-by: Paul Olav Tvete <paul.tvete@digia.com>

1 files changed, 84 insertions, 0 deletions

diff --git a/src/quick/items/qquickrendercontrol.h b/src/quick/items/qquickrendercontrol.h
new file mode 100644
index 0000000000..e5c04fee23
--- /dev/null
+++ b/src/quick/items/qquickrendercontrol.h
@@ -0,0 +1,84 @@
+/****************************************************************************
+**
+** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the QtQuick module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** 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, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, 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.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QQUICKRENDERCONTROL_H
+#define QQUICKRENDERCONTROL_H
+
+#include <QtQuick/qtquickglobal.h>
+#include <QtGui/QImage>
+
+QT_BEGIN_NAMESPACE
+
+class QQuickWindow;
+class QOpenGLContext;
+class QQuickRenderControlPrivate;
+
+class Q_QUICK_EXPORT QQuickRenderControl : public QObject
+{
+    Q_OBJECT
+
+public:
+    QQuickRenderControl(QObject *parent = 0);
+    ~QQuickRenderControl();
+
+    void initialize(QOpenGLContext *gl);
+    void stop();
+
+    void polishItems();
+    void render();
+    bool sync();
+
+    QImage grab();
+
+    static QWindow *renderWindowFor(QQuickWindow *win, QPoint *offset = 0);
+    virtual QWindow *renderWindow(QPoint *offset) { Q_UNUSED(offset); return 0; }
+
+Q_SIGNALS:
+    void renderRequested();
+    void sceneChanged();
+
+private:
+    Q_DECLARE_PRIVATE(QQuickRenderControl)
+};
+
+QT_END_NAMESPACE
+
+#endif // QQUICKRENDERCONTROL_H