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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QIMAGEPIXMAP_CLEANUPHOOKS_P_H
#define QIMAGEPIXMAP_CLEANUPHOOKS_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <QtGui/private/qtguiglobal_p.h>
#include <QtGui/qpixmap.h>
QT_BEGIN_NAMESPACE
typedef void (*_qt_image_cleanup_hook_64)(qint64);
typedef void (*_qt_pixmap_cleanup_hook_pmd)(QPlatformPixmap*);
class QImagePixmapCleanupHooks;
class Q_GUI_EXPORT QImagePixmapCleanupHooks
{
public:
static QImagePixmapCleanupHooks *instance();
static void enableCleanupHooks(const QImage &image);
static void enableCleanupHooks(const QPixmap &pixmap);
static void enableCleanupHooks(QPlatformPixmap *handle);
static bool isImageCached(const QImage &image);
static bool isPixmapCached(const QPixmap &pixmap);
// Gets called when a pixmap data is about to be modified:
void addPlatformPixmapModificationHook(_qt_pixmap_cleanup_hook_pmd);
// Gets called when a pixmap data is about to be destroyed:
void addPlatformPixmapDestructionHook(_qt_pixmap_cleanup_hook_pmd);
// Gets called when an image is about to be modified or destroyed:
void addImageHook(_qt_image_cleanup_hook_64);
void removePlatformPixmapModificationHook(_qt_pixmap_cleanup_hook_pmd);
void removePlatformPixmapDestructionHook(_qt_pixmap_cleanup_hook_pmd);
void removeImageHook(_qt_image_cleanup_hook_64);
static void executePlatformPixmapModificationHooks(QPlatformPixmap*);
static void executePlatformPixmapDestructionHooks(QPlatformPixmap*);
static void executeImageHooks(qint64 key);
private:
QList<_qt_image_cleanup_hook_64> imageHooks;
QList<_qt_pixmap_cleanup_hook_pmd> pixmapModificationHooks;
QList<_qt_pixmap_cleanup_hook_pmd> pixmapDestructionHooks;
};
QT_END_NAMESPACE
#endif // QIMAGEPIXMAP_CLEANUPHOOKS_P_H
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