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Diffstat (limited to 'src/widgets/platforms/mac/qpixmap_mac_p.h')
-rw-r--r-- | src/widgets/platforms/mac/qpixmap_mac_p.h | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/src/widgets/platforms/mac/qpixmap_mac_p.h b/src/widgets/platforms/mac/qpixmap_mac_p.h new file mode 100644 index 0000000000..4f53160074 --- /dev/null +++ b/src/widgets/platforms/mac/qpixmap_mac_p.h @@ -0,0 +1,134 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtGui module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** GNU Lesser General Public License Usage +** 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 1.1, 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. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#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/qplatformpixmap_qpa.h> +#include <QtGui/qplatformpixmapfactory_p.h> +#include <QtGui/private/qt_mac_p.h> + +QT_BEGIN_NAMESPACE + +class QMacPlatformPixmap : public QPlatformPixmap +{ +public: + QMacPlatformPixmap(PixelType type); + ~QMacPlatformPixmap(); + + QPlatformPixmap *createCompatiblePlatformPixmap() const; + + void resize(int width, int height); + void fromImage(const QImage &image, Qt::ImageConversionFlags flags); + void copy(const QPlatformPixmap *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(QMacPlatformPixmap *, bool asMask) const; + void macSetAlphaChannel(const QMacPlatformPixmap *, 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<QMacPlatformPixmap*> 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 |