author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Fri, 16 Apr 2010 15:50:13 +0300 | |
changeset 18 | 2f34d5167611 |
parent 3 | 41300fa6a67c |
child 30 | 5dc02b23752f |
permissions | -rw-r--r-- |
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/**************************************************************************** |
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** |
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2f34d5167611
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). |
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** All rights reserved. |
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** Contact: Nokia Corporation (qt-info@nokia.com) |
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** |
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** This file is part of the QtGui module of the Qt Toolkit. |
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** |
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** $QT_BEGIN_LICENSE:LGPL$ |
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** No Commercial Usage |
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** This file contains pre-release code and may not be distributed. |
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** You may use this file in accordance with the terms and conditions |
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** contained in the Technology Preview License Agreement accompanying |
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** this package. |
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** |
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** GNU Lesser General Public License Usage |
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** Alternatively, this file may be used under the terms of the GNU Lesser |
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** General Public License version 2.1 as published by the Free Software |
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** Foundation and appearing in the file LICENSE.LGPL included in the |
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** packaging of this file. Please review the following information to |
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** ensure the GNU Lesser General Public License version 2.1 requirements |
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
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** |
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** In addition, as a special exception, Nokia gives you certain additional |
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** rights. These rights are described in the Nokia Qt LGPL Exception |
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
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** |
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** If you have questions regarding the use of this file, please contact |
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** Nokia at qt-info@nokia.com. |
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** |
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** |
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** |
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** |
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** |
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** |
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** |
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** |
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** $QT_END_LICENSE$ |
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** |
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****************************************************************************/ |
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#ifndef QPIXMAP_H |
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#define QPIXMAP_H |
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#include <QtGui/qpaintdevice.h> |
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#include <QtGui/qcolor.h> |
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#include <QtCore/qnamespace.h> |
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#include <QtCore/qstring.h> // char*->QString conversion |
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#include <QtCore/qsharedpointer.h> |
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#include <QtGui/qimage.h> |
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#include <QtGui/qtransform.h> |
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QT_BEGIN_HEADER |
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#if defined(Q_OS_SYMBIAN) |
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class CFbsBitmap; |
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class RSgImage; |
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#endif |
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QT_BEGIN_NAMESPACE |
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QT_MODULE(Gui) |
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class QImageWriter; |
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class QColor; |
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class QVariant; |
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class QX11Info; |
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class QPixmapData; |
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class Q_GUI_EXPORT QPixmap : public QPaintDevice |
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{ |
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public: |
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QPixmap(); |
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explicit QPixmap(QPixmapData *data); |
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QPixmap(int w, int h); |
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QPixmap(const QSize &); |
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QPixmap(const QString& fileName, const char *format = 0, Qt::ImageConversionFlags flags = Qt::AutoColor); |
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#ifndef QT_NO_IMAGEFORMAT_XPM |
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QPixmap(const char * const xpm[]); |
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#endif |
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QPixmap(const QPixmap &); |
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~QPixmap(); |
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QPixmap &operator=(const QPixmap &); |
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operator QVariant() const; |
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bool isNull() const; // ### Qt 5: make inline |
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int devType() const; |
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int width() const; // ### Qt 5: make inline |
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int height() const; // ### Qt 5: make inline |
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QSize size() const; |
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QRect rect() const; |
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int depth() const; |
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static int defaultDepth(); |
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void fill(const QColor &fillColor = Qt::white); |
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void fill(const QWidget *widget, const QPoint &ofs); |
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inline void fill(const QWidget *widget, int xofs, int yofs) { fill(widget, QPoint(xofs, yofs)); } |
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QBitmap mask() const; |
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void setMask(const QBitmap &); |
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QPixmap alphaChannel() const; |
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void setAlphaChannel(const QPixmap &); |
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bool hasAlpha() const; |
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bool hasAlphaChannel() const; |
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#ifndef QT_NO_IMAGE_HEURISTIC_MASK |
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QBitmap createHeuristicMask(bool clipTight = true) const; |
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#endif |
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QBitmap createMaskFromColor(const QColor &maskColor) const; // ### Qt 5: remove |
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QBitmap createMaskFromColor(const QColor &maskColor, Qt::MaskMode mode) const; |
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static QPixmap grabWindow(WId, int x=0, int y=0, int w=-1, int h=-1); |
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static QPixmap grabWidget(QWidget *widget, const QRect &rect); |
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static inline QPixmap grabWidget(QWidget *widget, int x=0, int y=0, int w=-1, int h=-1) |
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{ return grabWidget(widget, QRect(x, y, w, h)); } |
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inline QPixmap scaled(int w, int h, Qt::AspectRatioMode aspectMode = Qt::IgnoreAspectRatio, |
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Qt::TransformationMode mode = Qt::FastTransformation) const |
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{ return scaled(QSize(w, h), aspectMode, mode); } |
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QPixmap scaled(const QSize &s, Qt::AspectRatioMode aspectMode = Qt::IgnoreAspectRatio, |
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Qt::TransformationMode mode = Qt::FastTransformation) const; |
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QPixmap scaledToWidth(int w, Qt::TransformationMode mode = Qt::FastTransformation) const; |
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QPixmap scaledToHeight(int h, Qt::TransformationMode mode = Qt::FastTransformation) const; |
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QPixmap transformed(const QMatrix &, Qt::TransformationMode mode = Qt::FastTransformation) const; |
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static QMatrix trueMatrix(const QMatrix &m, int w, int h); |
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QPixmap transformed(const QTransform &, Qt::TransformationMode mode = Qt::FastTransformation) const; |
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static QTransform trueMatrix(const QTransform &m, int w, int h); |
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QImage toImage() const; |
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static QPixmap fromImage(const QImage &image, Qt::ImageConversionFlags flags = Qt::AutoColor); |
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bool load(const QString& fileName, const char *format = 0, Qt::ImageConversionFlags flags = Qt::AutoColor); |
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bool loadFromData(const uchar *buf, uint len, const char* format = 0, Qt::ImageConversionFlags flags = Qt::AutoColor); |
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inline bool loadFromData(const QByteArray &data, const char* format = 0, Qt::ImageConversionFlags flags = Qt::AutoColor); |
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bool save(const QString& fileName, const char* format = 0, int quality = -1) const; |
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bool save(QIODevice* device, const char* format = 0, int quality = -1) const; |
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#if defined(Q_WS_WIN) |
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enum HBitmapFormat { |
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NoAlpha, |
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PremultipliedAlpha, |
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Alpha |
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}; |
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HBITMAP toWinHBITMAP(HBitmapFormat format = NoAlpha) const; |
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HICON toWinHICON() const; |
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static QPixmap fromWinHBITMAP(HBITMAP hbitmap, HBitmapFormat format = NoAlpha); |
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static QPixmap fromWinHICON(HICON hicon); |
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#endif |
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#if defined(Q_WS_MAC) |
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CGImageRef toMacCGImageRef() const; |
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static QPixmap fromMacCGImageRef(CGImageRef image); |
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#endif |
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#if defined(Q_OS_SYMBIAN) |
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CFbsBitmap *toSymbianCFbsBitmap() const; |
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static QPixmap fromSymbianCFbsBitmap(CFbsBitmap *bitmap); |
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RSgImage* toSymbianRSgImage() const; |
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static QPixmap fromSymbianRSgImage(RSgImage *sgImage); |
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#endif |
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inline QPixmap copy(int x, int y, int width, int height) const; |
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QPixmap copy(const QRect &rect = QRect()) const; |
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inline void scroll(int dx, int dy, int x, int y, int width, int height, QRegion *exposed = 0); |
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void scroll(int dx, int dy, const QRect &rect, QRegion *exposed = 0); |
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int serialNumber() const; |
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qint64 cacheKey() const; |
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bool isDetached() const; |
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void detach(); |
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bool isQBitmap() const; |
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#if defined(Q_WS_QWS) |
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const uchar *qwsBits() const; |
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int qwsBytesPerLine() const; |
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QRgb *clut() const; |
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41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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#ifdef QT_DEPRECATED |
41300fa6a67c
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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QT_DEPRECATED int numCols() const; |
41300fa6a67c
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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#endif |
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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int colorCount() const; |
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#elif defined(Q_WS_MAC) |
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Qt::HANDLE macQDHandle() const; |
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Qt::HANDLE macQDAlphaHandle() const; |
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Qt::HANDLE macCGHandle() const; |
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#elif defined(Q_WS_X11) |
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enum ShareMode { ImplicitlyShared, ExplicitlyShared }; |
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static QPixmap fromX11Pixmap(Qt::HANDLE pixmap, ShareMode mode = ImplicitlyShared); |
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static int x11SetDefaultScreen(int screen); |
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void x11SetScreen(int screen); |
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const QX11Info &x11Info() const; |
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Qt::HANDLE x11PictureHandle() const; |
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#endif |
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#if defined(Q_WS_X11) || defined(Q_WS_QWS) |
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Qt::HANDLE handle() const; |
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#endif |
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QPaintEngine *paintEngine() const; |
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inline bool operator!() const { return isNull(); } |
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protected: |
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int metric(PaintDeviceMetric) const; |
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#ifdef QT3_SUPPORT |
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public: |
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enum ColorMode { Auto, Color, Mono }; |
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QT3_SUPPORT_CONSTRUCTOR QPixmap(const QString& fileName, const char *format, ColorMode mode); |
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QT3_SUPPORT bool load(const QString& fileName, const char *format, ColorMode mode); |
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QT3_SUPPORT bool loadFromData(const uchar *buf, uint len, const char* format, ColorMode mode); |
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QT3_SUPPORT_CONSTRUCTOR QPixmap(const QImage& image); |
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QT3_SUPPORT QPixmap &operator=(const QImage &); |
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inline QT3_SUPPORT QImage convertToImage() const { return toImage(); } |
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QT3_SUPPORT bool convertFromImage(const QImage &, ColorMode mode); |
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QT3_SUPPORT bool convertFromImage(const QImage &img, Qt::ImageConversionFlags flags = Qt::AutoColor) |
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{ (*this) = fromImage(img, flags); return !isNull(); } |
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inline QT3_SUPPORT operator QImage() const { return toImage(); } |
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inline QT3_SUPPORT QPixmap xForm(const QMatrix &matrix) const { return transformed(QTransform(matrix)); } |
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inline QT3_SUPPORT bool selfMask() const { return false; } |
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private: |
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void resize_helper(const QSize &s); |
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public: |
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inline QT3_SUPPORT void resize(const QSize &s) { resize_helper(s); } |
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inline QT3_SUPPORT void resize(int width, int height) { resize_helper(QSize(width, height)); } |
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#endif |
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private: |
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QExplicitlySharedDataPointer<QPixmapData> data; |
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bool doImageIO(QImageWriter *io, int quality) const; |
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// ### Qt5: remove the following three lines |
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enum Type { PixmapType, BitmapType }; // must match QPixmapData::PixelType |
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QPixmap(const QSize &s, Type); |
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void init(int, int, Type = PixmapType); |
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QPixmap(const QSize &s, int type); |
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void init(int, int, int); |
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void deref(); |
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#if defined(Q_WS_WIN) |
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void initAlphaPixmap(uchar *bytes, int length, struct tagBITMAPINFO *bmi); |
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#endif |
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Q_DUMMY_COMPARISON_OPERATOR(QPixmap) |
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#ifdef Q_WS_MAC |
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friend CGContextRef qt_mac_cg_context(const QPaintDevice*); |
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friend CGImageRef qt_mac_create_imagemask(const QPixmap&, const QRectF&); |
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friend IconRef qt_mac_create_iconref(const QPixmap&); |
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friend quint32 *qt_mac_pixmap_get_base(const QPixmap*); |
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friend int qt_mac_pixmap_get_bytes_per_line(const QPixmap*); |
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#endif |
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friend class QPixmapData; |
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friend class QX11PixmapData; |
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friend class QMacPixmapData; |
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friend class QS60PixmapData; |
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friend class QBitmap; |
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friend class QPaintDevice; |
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friend class QPainter; |
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friend class QGLWidget; |
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friend class QX11PaintEngine; |
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friend class QCoreGraphicsPaintEngine; |
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friend class QWidgetPrivate; |
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friend class QRasterPaintEngine; |
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friend class QRasterBuffer; |
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friend class QPixmapCacheEntry; |
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#if !defined(QT_NO_DATASTREAM) |
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friend Q_GUI_EXPORT QDataStream &operator>>(QDataStream &, QPixmap &); |
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#endif |
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friend Q_GUI_EXPORT qint64 qt_pixmap_id(const QPixmap &pixmap); |
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public: |
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QPixmapData* pixmapData() const; |
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public: |
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typedef QExplicitlySharedDataPointer<QPixmapData> DataPtr; |
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inline DataPtr &data_ptr() { return data; } |
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}; |
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Q_DECLARE_SHARED(QPixmap) |
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inline QPixmap QPixmap::copy(int ax, int ay, int awidth, int aheight) const |
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{ |
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return copy(QRect(ax, ay, awidth, aheight)); |
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} |
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inline void QPixmap::scroll(int dx, int dy, int ax, int ay, int awidth, int aheight, QRegion *exposed) |
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{ |
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scroll(dx, dy, QRect(ax, ay, awidth, aheight), exposed); |
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} |
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inline bool QPixmap::loadFromData(const QByteArray &buf, const char *format, |
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Qt::ImageConversionFlags flags) |
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{ |
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return loadFromData(reinterpret_cast<const uchar *>(buf.constData()), buf.size(), format, flags); |
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} |
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/***************************************************************************** |
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QPixmap stream functions |
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*****************************************************************************/ |
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#if !defined(QT_NO_DATASTREAM) |
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Q_GUI_EXPORT QDataStream &operator<<(QDataStream &, const QPixmap &); |
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Q_GUI_EXPORT QDataStream &operator>>(QDataStream &, QPixmap &); |
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#endif |
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/***************************************************************************** |
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QPixmap (and QImage) helper functions |
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*****************************************************************************/ |
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#ifdef QT3_SUPPORT |
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QT3_SUPPORT Q_GUI_EXPORT void copyBlt(QPixmap *dst, int dx, int dy, const QPixmap *src, |
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int sx=0, int sy=0, int sw=-1, int sh=-1); |
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#endif // QT3_SUPPORT |
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QT_END_NAMESPACE |
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QT_END_HEADER |
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#endif // QPIXMAP_H |