123 lines
4.1 KiB
C++
123 lines
4.1 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of the plugins of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 3 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL3 included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 3 requirements
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** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 2.0 or (at your option) the GNU General
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** Public license version 3 or any later version approved by the KDE Free
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** Qt Foundation. The licenses are as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-2.0.html and
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** https://www.gnu.org/licenses/gpl-3.0.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QBACKINGSTORE_COCOA_H
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#define QBACKINGSTORE_COCOA_H
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#include <QtGui/private/qrasterbackingstore_p.h>
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#include <private/qcore_mac_p.h>
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#include <QScopedPointer>
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#include "qiosurfacegraphicsbuffer.h"
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#include <unordered_map>
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QT_BEGIN_NAMESPACE
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class QCocoaBackingStore : public QPlatformBackingStore
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{
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protected:
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QCocoaBackingStore(QWindow *window);
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QCFType<CGColorSpaceRef> colorSpace() const;
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};
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class QCALayerBackingStore : public QObject, public QCocoaBackingStore
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{
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Q_OBJECT
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public:
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QCALayerBackingStore(QWindow *window);
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~QCALayerBackingStore();
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void resize(const QSize &size, const QRegion &staticContents) override;
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void beginPaint(const QRegion ®ion) override;
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QPaintDevice *paintDevice() override;
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void endPaint() override;
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void flush(QWindow *, const QRegion &, const QPoint &) override;
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#ifndef QT_NO_OPENGL
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void composeAndFlush(QWindow *window, const QRegion ®ion, const QPoint &offset,
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QPlatformTextureList *textures, bool translucentBackground) override;
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#endif
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QImage toImage() const override;
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QPlatformGraphicsBuffer *graphicsBuffer() const override;
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private:
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void observeBackingPropertiesChanges();
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bool eventFilter(QObject *watched, QEvent *event) override;
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QSize m_requestedSize;
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QRegion m_paintedRegion;
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class GraphicsBuffer : public QIOSurfaceGraphicsBuffer
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{
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public:
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GraphicsBuffer(const QSize &size, qreal devicePixelRatio,
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const QPixelFormat &format, QCFType<CGColorSpaceRef> colorSpace);
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QRegion dirtyRegion; // In unscaled coordinates
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QImage *asImage();
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qreal devicePixelRatio() const { return m_devicePixelRatio; }
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private:
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qreal m_devicePixelRatio;
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QImage m_image;
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};
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void ensureBackBuffer();
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bool recreateBackBufferIfNeeded();
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bool prepareForFlush();
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void backingPropertiesChanged();
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QMacNotificationObserver m_backingPropertiesObserver;
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std::list<std::unique_ptr<GraphicsBuffer>> m_buffers;
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void flushSubWindow(QWindow *window);
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std::unordered_map<QWindow*, std::unique_ptr<QCALayerBackingStore>> m_subWindowBackingstores;
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void windowDestroyed(QObject *object);
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bool m_clearSurfaceOnPaint = true;
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};
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QT_END_NAMESPACE
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#endif
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