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Diffstat (limited to 'examples/server-buffer/compositor/serverbufferitem.h')
-rw-r--r-- | examples/server-buffer/compositor/serverbufferitem.h | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/examples/server-buffer/compositor/serverbufferitem.h b/examples/server-buffer/compositor/serverbufferitem.h new file mode 100644 index 00000000..9391cb94 --- /dev/null +++ b/examples/server-buffer/compositor/serverbufferitem.h @@ -0,0 +1,96 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** This file is part of the Qt Compositor. +** +** $QT_BEGIN_LICENSE:BSD$ +** You may use this file under the terms of the BSD license as follows: +** +** "Redistribution and use in source and binary forms, with or without +** modification, are permitted provided that the following conditions are +** met: +** * Redistributions of source code must retain the above copyright +** notice, this list of conditions and the following disclaimer. +** * Redistributions in binary form must reproduce the above copyright +** notice, this list of conditions and the following disclaimer in +** the documentation and/or other materials provided with the +** distribution. +** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names +** of its contributors may be used to endorse or promote products derived +** from this software without specific prior written permission. +** +** +** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef SERVERBUFFERITEM_H +#define SERVERBUFFERITEM_H + +#include <QtQuick/QQuickItem> +#include <QtQuick/qsgtexture.h> + +#include <QtQuick/qsgtextureprovider.h> + +QT_BEGIN_NAMESPACE + +class ServerBufferTextureProvider; +class QWaylandServerBuffer; + +class ServerBufferItem : public QQuickItem +{ + Q_OBJECT + Q_PROPERTY(QWaylandServerBuffer *serverBuffer READ serverBuffer CONSTANT) + Q_PROPERTY(bool useTextureAlpha READ useTextureAlpha WRITE setUseTextureAlpha NOTIFY useTextureAlphaChanged) + Q_PROPERTY(bool isYInverted READ isYInverted NOTIFY yInvertedChanged) + Q_PROPERTY(int depth READ depth CONSTANT) + +public: + ServerBufferItem(QWaylandServerBuffer *serverBuffer, QQuickItem *parent = 0); + ~ServerBufferItem(); + + QWaylandServerBuffer *serverBuffer() const { return m_server_buffer; } + + bool isYInverted() const; + int depth() const; + + bool isTextureProvider() const { return true; } + QSGTextureProvider *textureProvider() const; + + bool useTextureAlpha() const { return m_useTextureAlpha; } + void setUseTextureAlpha(bool useTextureAlpha); + + void setDamagedFlag(bool on); + +signals: + void useTextureAlphaChanged(); + void yInvertedChanged(); + void serverBufferChanged(); + +protected: + QSGNode *updatePaintNode(QSGNode *oldNode, UpdatePaintNodeData *); + +private: + void updateTexture(); + QWaylandServerBuffer *m_server_buffer; + ServerBufferTextureProvider *m_provider; + bool m_useTextureAlpha; +}; + +QT_END_NAMESPACE + +#endif |