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| ** |
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| ** GNU General Public License Usage |
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| ****************************************************************************/ |
| |
| #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/qpixmap.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| typedef void (*_qt_image_cleanup_hook_64)(qint64); |
| typedef void (*_qt_pixmap_cleanup_hook_pmd)(QPixmapData*); |
| |
| |
| 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(QPixmapData *pixmapData); |
| |
| static bool isImageCached(const QImage &image); |
| static bool isPixmapCached(const QPixmap &pixmap); |
| |
| // Gets called when a pixmap data is about to be modified: |
| void addPixmapDataModificationHook(_qt_pixmap_cleanup_hook_pmd); |
| |
| // Gets called when a pixmap data is about to be destroyed: |
| void addPixmapDataDestructionHook(_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 removePixmapDataModificationHook(_qt_pixmap_cleanup_hook_pmd); |
| void removePixmapDataDestructionHook(_qt_pixmap_cleanup_hook_pmd); |
| void removeImageHook(_qt_image_cleanup_hook_64); |
| |
| static void executePixmapDataModificationHooks(QPixmapData*); |
| static void executePixmapDataDestructionHooks(QPixmapData*); |
| 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 |