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Diffstat (limited to 'src/gui/image/qpixmap_mac_p.h')
| -rw-r--r-- | src/gui/image/qpixmap_mac_p.h | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/src/gui/image/qpixmap_mac_p.h b/src/gui/image/qpixmap_mac_p.h new file mode 100644 index 0000000..75525c4 --- /dev/null +++ b/src/gui/image/qpixmap_mac_p.h @@ -0,0 +1,136 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the QtGui module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain +** additional rights. These rights are described in the Nokia Qt LGPL +** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this +** package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#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(); + + void resize(int width, int height); + void fromImage(const QImage &image, Qt::ImageConversionFlags flags); + void copy(const QPixmapData *data, 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: + int w, h, d; + + 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; + quint32 *pixelsToFree; + uint bytesPerRow; + QRectF cg_mask_rect; + CGImageRef cg_data, cg_dataBeingReleased, cg_mask; +#ifndef QT_MAC_NO_QUICKDRAW + GWorldPtr qd_data, qd_alpha; + void macQDDisposeAlpha(); + void macQDUpdateAlpha(); +#endif + 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 |