--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/gui/image/qpixmap.h Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,326 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 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.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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 Technology Preview License Agreement accompanying
+** this package.
+**
+** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QPIXMAP_H
+#define QPIXMAP_H
+
+#include <QtGui/qpaintdevice.h>
+#include <QtGui/qcolor.h>
+#include <QtCore/qnamespace.h>
+#include <QtCore/qstring.h> // char*->QString conversion
+#include <QtCore/qsharedpointer.h>
+#include <QtGui/qimage.h>
+#include <QtGui/qtransform.h>
+
+QT_BEGIN_HEADER
+
+#if defined(Q_OS_SYMBIAN)
+class CFbsBitmap;
+class RSgImage;
+#endif
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Gui)
+
+class QImageWriter;
+class QColor;
+class QVariant;
+class QX11Info;
+class QPixmapData;
+
+class Q_GUI_EXPORT QPixmap : public QPaintDevice
+{
+public:
+ QPixmap();
+ explicit QPixmap(QPixmapData *data);
+ QPixmap(int w, int h);
+ QPixmap(const QSize &);
+ QPixmap(const QString& fileName, const char *format = 0, Qt::ImageConversionFlags flags = Qt::AutoColor);
+#ifndef QT_NO_IMAGEFORMAT_XPM
+ QPixmap(const char * const xpm[]);
+#endif
+ QPixmap(const QPixmap &);
+ ~QPixmap();
+
+ QPixmap &operator=(const QPixmap &);
+ operator QVariant() const;
+
+ bool isNull() const; // ### Qt 5: make inline
+ int devType() const;
+
+ int width() const; // ### Qt 5: make inline
+ int height() const; // ### Qt 5: make inline
+ QSize size() const;
+ QRect rect() const;
+ int depth() const;
+
+ static int defaultDepth();
+
+ void fill(const QColor &fillColor = Qt::white);
+ void fill(const QWidget *widget, const QPoint &ofs);
+ inline void fill(const QWidget *widget, int xofs, int yofs) { fill(widget, QPoint(xofs, yofs)); }
+
+ QBitmap mask() const;
+ void setMask(const QBitmap &);
+
+ QPixmap alphaChannel() const;
+ void setAlphaChannel(const QPixmap &);
+
+ bool hasAlpha() const;
+ bool hasAlphaChannel() const;
+
+#ifndef QT_NO_IMAGE_HEURISTIC_MASK
+ QBitmap createHeuristicMask(bool clipTight = true) const;
+#endif
+ QBitmap createMaskFromColor(const QColor &maskColor) const; // ### Qt 5: remove
+ QBitmap createMaskFromColor(const QColor &maskColor, Qt::MaskMode mode) const;
+
+ static QPixmap grabWindow(WId, int x=0, int y=0, int w=-1, int h=-1);
+ static QPixmap grabWidget(QWidget *widget, const QRect &rect);
+ static inline QPixmap grabWidget(QWidget *widget, int x=0, int y=0, int w=-1, int h=-1)
+ { return grabWidget(widget, QRect(x, y, w, h)); }
+
+
+ inline QPixmap scaled(int w, int h, Qt::AspectRatioMode aspectMode = Qt::IgnoreAspectRatio,
+ Qt::TransformationMode mode = Qt::FastTransformation) const
+ { return scaled(QSize(w, h), aspectMode, mode); }
+ QPixmap scaled(const QSize &s, Qt::AspectRatioMode aspectMode = Qt::IgnoreAspectRatio,
+ Qt::TransformationMode mode = Qt::FastTransformation) const;
+ QPixmap scaledToWidth(int w, Qt::TransformationMode mode = Qt::FastTransformation) const;
+ QPixmap scaledToHeight(int h, Qt::TransformationMode mode = Qt::FastTransformation) const;
+ QPixmap transformed(const QMatrix &, Qt::TransformationMode mode = Qt::FastTransformation) const;
+ static QMatrix trueMatrix(const QMatrix &m, int w, int h);
+ QPixmap transformed(const QTransform &, Qt::TransformationMode mode = Qt::FastTransformation) const;
+ static QTransform trueMatrix(const QTransform &m, int w, int h);
+
+ QImage toImage() const;
+ static QPixmap fromImage(const QImage &image, Qt::ImageConversionFlags flags = Qt::AutoColor);
+
+ bool load(const QString& fileName, const char *format = 0, Qt::ImageConversionFlags flags = Qt::AutoColor);
+ bool loadFromData(const uchar *buf, uint len, const char* format = 0, Qt::ImageConversionFlags flags = Qt::AutoColor);
+ inline bool loadFromData(const QByteArray &data, const char* format = 0, Qt::ImageConversionFlags flags = Qt::AutoColor);
+ bool save(const QString& fileName, const char* format = 0, int quality = -1) const;
+ bool save(QIODevice* device, const char* format = 0, int quality = -1) const;
+
+#if defined(Q_WS_WIN)
+ enum HBitmapFormat {
+ NoAlpha,
+ PremultipliedAlpha,
+ Alpha
+ };
+
+ HBITMAP toWinHBITMAP(HBitmapFormat format = NoAlpha) const;
+ HICON toWinHICON() const;
+
+ static QPixmap fromWinHBITMAP(HBITMAP hbitmap, HBitmapFormat format = NoAlpha);
+ static QPixmap fromWinHICON(HICON hicon);
+#endif
+
+#if defined(Q_WS_MAC)
+ CGImageRef toMacCGImageRef() const;
+ static QPixmap fromMacCGImageRef(CGImageRef image);
+#endif
+
+#if defined(Q_OS_SYMBIAN)
+ CFbsBitmap *toSymbianCFbsBitmap() const;
+ static QPixmap fromSymbianCFbsBitmap(CFbsBitmap *bitmap);
+ RSgImage* toSymbianRSgImage() const;
+ static QPixmap fromSymbianRSgImage(RSgImage *sgImage);
+#endif
+
+ inline QPixmap copy(int x, int y, int width, int height) const;
+ QPixmap copy(const QRect &rect = QRect()) const;
+
+ inline void scroll(int dx, int dy, int x, int y, int width, int height, QRegion *exposed = 0);
+ void scroll(int dx, int dy, const QRect &rect, QRegion *exposed = 0);
+
+ int serialNumber() const;
+ qint64 cacheKey() const;
+
+ bool isDetached() const;
+ void detach();
+
+ bool isQBitmap() const;
+
+#if defined(Q_WS_QWS)
+ const uchar *qwsBits() const;
+ int qwsBytesPerLine() const;
+ QRgb *clut() const;
+ int numCols() const;
+#elif defined(Q_WS_MAC)
+ Qt::HANDLE macQDHandle() const;
+ Qt::HANDLE macQDAlphaHandle() const;
+ Qt::HANDLE macCGHandle() const;
+#elif defined(Q_WS_X11)
+ enum ShareMode { ImplicitlyShared, ExplicitlyShared };
+
+ static QPixmap fromX11Pixmap(Qt::HANDLE pixmap, ShareMode mode = ImplicitlyShared);
+ static int x11SetDefaultScreen(int screen);
+ void x11SetScreen(int screen);
+ const QX11Info &x11Info() const;
+ Qt::HANDLE x11PictureHandle() const;
+#endif
+
+#if defined(Q_WS_X11) || defined(Q_WS_QWS)
+ Qt::HANDLE handle() const;
+#endif
+
+ QPaintEngine *paintEngine() const;
+
+ inline bool operator!() const { return isNull(); }
+
+protected:
+ int metric(PaintDeviceMetric) const;
+
+#ifdef QT3_SUPPORT
+public:
+ enum ColorMode { Auto, Color, Mono };
+ QT3_SUPPORT_CONSTRUCTOR QPixmap(const QString& fileName, const char *format, ColorMode mode);
+ QT3_SUPPORT bool load(const QString& fileName, const char *format, ColorMode mode);
+ QT3_SUPPORT bool loadFromData(const uchar *buf, uint len, const char* format, ColorMode mode);
+ QT3_SUPPORT_CONSTRUCTOR QPixmap(const QImage& image);
+ QT3_SUPPORT QPixmap &operator=(const QImage &);
+ inline QT3_SUPPORT QImage convertToImage() const { return toImage(); }
+ QT3_SUPPORT bool convertFromImage(const QImage &, ColorMode mode);
+ QT3_SUPPORT bool convertFromImage(const QImage &img, Qt::ImageConversionFlags flags = Qt::AutoColor)
+ { (*this) = fromImage(img, flags); return !isNull(); }
+ inline QT3_SUPPORT operator QImage() const { return toImage(); }
+ inline QT3_SUPPORT QPixmap xForm(const QMatrix &matrix) const { return transformed(QTransform(matrix)); }
+ inline QT3_SUPPORT bool selfMask() const { return false; }
+private:
+ void resize_helper(const QSize &s);
+public:
+ inline QT3_SUPPORT void resize(const QSize &s) { resize_helper(s); }
+ inline QT3_SUPPORT void resize(int width, int height) { resize_helper(QSize(width, height)); }
+#endif
+
+private:
+ QExplicitlySharedDataPointer<QPixmapData> data;
+
+ bool doImageIO(QImageWriter *io, int quality) const;
+
+ // ### Qt5: remove the following three lines
+ enum Type { PixmapType, BitmapType }; // must match QPixmapData::PixelType
+ QPixmap(const QSize &s, Type);
+ void init(int, int, Type = PixmapType);
+
+ QPixmap(const QSize &s, int type);
+ void init(int, int, int);
+ void deref();
+#if defined(Q_WS_WIN)
+ void initAlphaPixmap(uchar *bytes, int length, struct tagBITMAPINFO *bmi);
+#endif
+ Q_DUMMY_COMPARISON_OPERATOR(QPixmap)
+#ifdef Q_WS_MAC
+ friend CGContextRef qt_mac_cg_context(const QPaintDevice*);
+ friend CGImageRef qt_mac_create_imagemask(const QPixmap&, const QRectF&);
+ friend IconRef qt_mac_create_iconref(const QPixmap&);
+ friend quint32 *qt_mac_pixmap_get_base(const QPixmap*);
+ friend int qt_mac_pixmap_get_bytes_per_line(const QPixmap*);
+#endif
+ friend class QPixmapData;
+ friend class QX11PixmapData;
+ friend class QMacPixmapData;
+ friend class QS60PixmapData;
+ friend class QBitmap;
+ friend class QPaintDevice;
+ friend class QPainter;
+ friend class QGLWidget;
+ friend class QX11PaintEngine;
+ friend class QCoreGraphicsPaintEngine;
+ friend class QWidgetPrivate;
+ friend class QRasterPaintEngine;
+ friend class QRasterBuffer;
+ friend class QPixmapCacheEntry;
+#if !defined(QT_NO_DATASTREAM)
+ friend Q_GUI_EXPORT QDataStream &operator>>(QDataStream &, QPixmap &);
+#endif
+ friend Q_GUI_EXPORT qint64 qt_pixmap_id(const QPixmap &pixmap);
+
+public:
+ QPixmapData* pixmapData() const;
+
+public:
+ typedef QExplicitlySharedDataPointer<QPixmapData> DataPtr;
+ inline DataPtr &data_ptr() { return data; }
+};
+
+Q_DECLARE_SHARED(QPixmap)
+
+inline QPixmap QPixmap::copy(int ax, int ay, int awidth, int aheight) const
+{
+ return copy(QRect(ax, ay, awidth, aheight));
+}
+
+inline void QPixmap::scroll(int dx, int dy, int ax, int ay, int awidth, int aheight, QRegion *exposed)
+{
+ scroll(dx, dy, QRect(ax, ay, awidth, aheight), exposed);
+}
+
+inline bool QPixmap::loadFromData(const QByteArray &buf, const char *format,
+ Qt::ImageConversionFlags flags)
+{
+ return loadFromData(reinterpret_cast<const uchar *>(buf.constData()), buf.size(), format, flags);
+}
+
+/*****************************************************************************
+ QPixmap stream functions
+*****************************************************************************/
+
+#if !defined(QT_NO_DATASTREAM)
+Q_GUI_EXPORT QDataStream &operator<<(QDataStream &, const QPixmap &);
+Q_GUI_EXPORT QDataStream &operator>>(QDataStream &, QPixmap &);
+#endif
+
+/*****************************************************************************
+ QPixmap (and QImage) helper functions
+*****************************************************************************/
+#ifdef QT3_SUPPORT
+QT3_SUPPORT Q_GUI_EXPORT void copyBlt(QPixmap *dst, int dx, int dy, const QPixmap *src,
+ int sx=0, int sy=0, int sw=-1, int sh=-1);
+#endif // QT3_SUPPORT
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QPIXMAP_H