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| ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). |
| ** All rights reserved. |
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| ** |
| ** This file is part of the QtGui module of the Qt Toolkit. |
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| ** $QT_BEGIN_LICENSE:LGPL$ |
| ** GNU Lesser General Public License Usage |
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| ** rights. These rights are described in the Nokia Qt LGPL Exception |
| ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
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| ** GNU General Public License Usage |
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| ** Public License version 3.0 as published by the Free Software Foundation |
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| ** file. Please review the following information to ensure the GNU General |
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| ****************************************************************************/ |
| |
| #ifndef QPIXMAP_MAC_P_H |
| #define QPIXMAP_MAC_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/qpixmapdata_p.h> |
| #include <QtGui/private/qpixmapdatafactory_p.h> |
| #include <QtGui/private/qt_mac_p.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| class QMacPixmapData : public QPixmapData |
| { |
| public: |
| QMacPixmapData(PixelType type); |
| ~QMacPixmapData(); |
| |
| QPixmapData *createCompatiblePixmapData() const; |
| |
| void resize(int width, int height); |
| void fromImage(const QImage &image, Qt::ImageConversionFlags flags); |
| void copy(const QPixmapData *data, const QRect &rect); |
| bool scroll(int dx, int dy, const QRect &rect); |
| |
| int metric(QPaintDevice::PaintDeviceMetric metric) const; |
| void fill(const QColor &color); |
| QBitmap mask() const; |
| void setMask(const QBitmap &mask); |
| bool hasAlphaChannel() const; |
| // QPixmap transformed(const QTransform &matrix, |
| // Qt::TransformationMode mode) const; |
| void setAlphaChannel(const QPixmap &alphaChannel); |
| QPixmap alphaChannel() const; |
| QImage toImage() const; |
| QPaintEngine* paintEngine() const; |
| |
| private: |
| |
| uint has_alpha : 1, has_mask : 1, uninit : 1; |
| |
| void macSetHasAlpha(bool b); |
| void macGetAlphaChannel(QMacPixmapData *, bool asMask) const; |
| void macSetAlphaChannel(const QMacPixmapData *, bool asMask); |
| void macCreateCGImageRef(); |
| void macCreatePixels(); |
| void macReleaseCGImageRef(); |
| /* |
| pixels stores the pixmap data. pixelsToFree is either 0 or some memory |
| block that was bound to a CGImageRef and released, and for which the |
| release callback has been called. There are two uses to pixelsToFree: |
| |
| 1. If pixels == pixelsToFree, then we know that the CGImageRef is done\ |
| with the data and we can modify pixels without breaking CGImageRef's |
| mutability invariant. |
| |
| 2. If pixels != pixelsToFree and pixelsToFree != 0, then we can reuse |
| pixelsToFree later on instead of malloc'ing memory. |
| */ |
| quint32 *pixels; |
| uint pixelsSize; |
| quint32 *pixelsToFree; |
| uint bytesPerRow; |
| QRectF cg_mask_rect; |
| CGImageRef cg_data, cg_dataBeingReleased, cg_mask; |
| static QSet<QMacPixmapData*> validDataPointers; |
| |
| QPaintEngine *pengine; |
| |
| friend class QPixmap; |
| friend class QRasterBuffer; |
| friend class QRasterPaintEngine; |
| friend class QCoreGraphicsPaintEngine; |
| friend CGImageRef qt_mac_create_imagemask(const QPixmap&, const QRectF&); |
| friend quint32 *qt_mac_pixmap_get_base(const QPixmap*); |
| friend int qt_mac_pixmap_get_bytes_per_line(const QPixmap*); |
| friend void qt_mac_cgimage_data_free(void *, const void*, size_t); |
| friend IconRef qt_mac_create_iconref(const QPixmap&); |
| friend CGContextRef qt_mac_cg_context(const QPaintDevice*); |
| friend QColor qcolorForThemeTextColor(ThemeTextColor themeColor); |
| }; |
| |
| QT_END_NAMESPACE |
| |
| #endif // QPIXMAP_MAC_P_H |