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# kpixmapio.h

    00001 /* vi: ts=8 sts=4 sw=4
    00002  *
    00003  *
    00004  * This file is part of the KDE project, module kdeui.
    00005  * Copyright (C) 2000 Geert Jansen <jansen@kde.org>
    00006  *
    00007  * You can Freely distribute this program under the GNU Library General
    00008  * Public License. See the file "COPYING.LIB" for the exact licensing terms.
    00009  */
    00010
    00011 #ifndef __KPixmapIO_h_Included__
    00012 #define __KPixmapIO_h_Included__
    00013
    00014 #include <kdelibs_export.h>
    00015
    00016 class QPixmap;
    00017 class QImage;
    00018 class QPoint;
    00019 class QRect;
    00020 struct KPixmapIOPrivate;
    00087 class KDEUI_EXPORT KPixmapIO
    00088 {
    00089 public:
    00090     KPixmapIO();
    00091     ~KPixmapIO();
    00092
    00098     QPixmap convertToPixmap(const QImage &image);
    00099
    00105     QImage convertToImage(const QPixmap &pixmap);
    00106
    00114     void putImage(QPixmap *dst, int dx, int dy, const QImage *src);
    00115
    00120     void putImage(QPixmap *dst, const QPoint &offset, const QImage *src);
    00121
    00131     QImage getImage(const QPixmap *src, int sx, int sy, int sw, int sh);
    00132
    00137     QImage getImage(const QPixmap *src, const QRect &rect);
    00138
    00142     enum ShmPolicies {
    00143     ShmDontKeep,
    00144     ShmKeepAndGrow
    00145     };
    00146
    00152     void setShmPolicy(int policy);
    00153
    00159     void preAllocShm(int size);
    00160
    00161 private:
    00162     /*
    00163      * Supported XImage byte orders. The notation ARGB means bytes
    00164      * containing A:R:G:B succeed in memory.
    00165      */
    00166     enum ByteOrders {
    00167     bo32_ARGB, bo32_BGRA, bo24_RGB, bo24_BGR,
    00168     bo16_RGB_565, bo16_BGR_565, bo16_RGB_555,
    00169     bo16_BGR_555, bo8
    00170     };
    00171
    00172     bool m_bShm;
    00173     bool initXImage(int w, int h);
    00174     void doneXImage();
    00175     bool createXImage(int w, int h);
    00176     void destroyXImage();
    00177     bool createShmSegment(int size);
    00178     void destroyShmSegment();
    00179     void convertToXImage(const QImage &);
    00180     QImage convertFromXImage();
    00181 private:
    00182     KPixmapIOPrivate* d;
    00183 };
    00184
    00185 #endif // __KPixmapIO_h_Included__

This file is part of the documentation for kdeui Library Version 3.4.1.
Documentation copyright © 1996-2004 the KDE developers.
Generated on Sat Jun 11 20:20:20 2005 by doxygen 1.4.1 written by Dimitri van Heesch, © 1997-2003