home *** CD-ROM | disk | FTP | other *** search
- /****************************************************************************
- ** $Id: qpixmap.h,v 2.22 1998/07/03 00:09:37 hanord Exp $
- **
- ** Definition of QPixmap class
- **
- ** Created : 940501
- **
- ** Copyright (C) 1992-1998 Troll Tech AS. All rights reserved.
- **
- ** This file is part of Qt Free Edition, version 1.40.
- **
- ** See the file LICENSE included in the distribution for the usage
- ** and distribution terms, or http://www.troll.no/free-license.html.
- **
- ** IMPORTANT NOTE: You may NOT copy this file or any part of it into
- ** your own programs or libraries.
- **
- ** Please see http://www.troll.no/pricing.html for information about
- ** Qt Professional Edition, which is this same library but with a
- ** license which allows creation of commercial/proprietary software.
- **
- *****************************************************************************/
-
- #ifndef QPIXMAP_H
- #define QPIXMAP_H
-
- #ifndef QT_H
- #include "qpaintdevice.h"
- #include "qcolor.h"
- #include "qstring.h"
- #endif // QT_H
-
-
- class QPixmap : public QPaintDevice // pixmap class
- {
- friend class QPaintDevice;
- friend class QPainter;
- public:
- enum ColorMode { Auto, Color, Mono };
-
- QPixmap();
- QPixmap( int w, int h, int depth=-1 );
- QPixmap( const QSize &, int depth=-1 );
- QPixmap( const char *fileName, const char *format=0, ColorMode mode=Auto );
- QPixmap( const char *fileName, const char *format, int conversion_flags );
- QPixmap( const char *xpm[] );
- QPixmap( const QPixmap & );
- ~QPixmap();
-
- QPixmap &operator=( const QPixmap & );
- QPixmap &operator=( const QImage & );
-
- bool isNull() const;
-
- int width() const { return data->w; }
- int height() const { return data->h; }
- QSize size() const { return QSize(data->w,data->h); }
- QRect rect() const { return QRect(0,0,data->w,data->h); }
- int depth() const { return data->d; }
- static int defaultDepth();
-
- void fill( const QColor &fillColor=white );
- void fill( const QWidget *, int xofs, int yofs );
- void fill( const QWidget *, const QPoint &ofs );
- void resize( int width, int height );
- void resize( const QSize & );
-
- const QBitmap *mask() const;
- void setMask( const QBitmap & );
- bool selfMask() const;
- QBitmap createHeuristicMask( bool clipTight = TRUE ) const;
-
- static QPixmap grabWindow( WId, int x=0, int y=0, int w=-1, int h=-1 );
-
- QPixmap xForm( const QWMatrix & ) const;
- static QWMatrix trueMatrix( const QWMatrix &, int w, int h );
-
- QImage convertToImage() const;
- bool convertFromImage( const QImage &, ColorMode mode=Auto );
- bool convertFromImage( const QImage &, int conversion_flags );
-
- static const char *imageFormat( const char *fileName );
- bool load( const char *fileName, const char *format=0,
- ColorMode mode=Auto );
- bool load( const char *fileName, const char *format,
- int conversion_flags );
- bool loadFromData( const uchar *buf, uint len,
- const char *format=0,
- ColorMode mode=Auto );
- bool loadFromData( const uchar *buf, uint len,
- const char *format,
- int conversion_flags );
- bool loadFromData( QByteArray data,
- const char *format=0,
- int conversion_flags=0 );
- bool save( const char *fileName, const char *format ) const;
-
- #if defined(_WS_WIN_) || defined(_WS_PM_)
- HANDLE hbm() const;
- #endif
-
- int serialNumber() const;
-
- enum Optimization { NoOptim, NormalOptim, BestOptim };
-
- Optimization optimization() const;
- void setOptimization( Optimization );
- static Optimization defaultOptimization();
- static void setDefaultOptimization( Optimization );
-
- #if 1
- bool isOptimized() const;
- void optimize( bool );
- static bool isGloballyOptimized();
- static void optimizeGlobally( bool );
- #endif
-
- virtual void detach();
-
- bool isQBitmap() const;
-
- protected:
- QPixmap( int w, int h, const uchar *data, bool isXbitmap );
- int metric( int ) const;
-
- #if defined(_WS_WIN_)
- HANDLE allocMemDC();
- void freeMemDC();
- #endif
-
- struct QPixmapData : public QShared { // internal pixmap data
- QCOORD w, h;
- short d;
- uint unused : 1;
- uint optim : 1;
- uint uninit : 1;
- uint bitmap : 1;
- uint selfmask : 1;
- int ser_no;
- QBitmap *mask;
- #if defined(_WS_WIN_)
- HANDLE hbm;
- void *bits;
- QPixmap *maskpm;
- #elif defined(_WS_PM_)
- HANDLE hdcmem;
- HANDLE hbm;
- #elif defined(_WS_X11_)
- void *ximage;
- void *maskgc;
- #endif
- Optimization opt;
- } *data;
-
- private:
- void init( int, int, int );
- void deref();
- QPixmap copy() const;
- static bool optimAll;
- static Optimization defOpt;
- friend void bitBlt( QPaintDevice *, int, int, const QPaintDevice *,
- int, int, int, int, RasterOp, bool );
- friend void bitBlt( QPaintDevice *, int, int, const QImage* src,
- int, int, int, int, int conversion_flags );
- };
-
-
- inline bool QPixmap::isNull() const
- {
- #if defined(_WS_X11_)
- return hd == 0;
- #else
- return data->hbm == 0;
- #endif
- }
-
- inline void QPixmap::fill( const QWidget *w, const QPoint &ofs )
- {
- fill( w, ofs.x(), ofs.y() );
- }
-
- inline void QPixmap::resize( const QSize &s )
- {
- resize( s.width(), s.height() );
- }
-
- inline const QBitmap *QPixmap::mask() const
- {
- return data->mask;
- }
-
- inline bool QPixmap::selfMask() const
- {
- return data->selfmask;
- }
-
- #if defined(_WS_WIN_) || defined(_WS_PM_)
- inline HANDLE QPixmap::hbm() const
- {
- return data->hbm;
- }
- #endif
-
- inline int QPixmap::serialNumber() const
- {
- return data->ser_no;
- }
-
- inline QPixmap::Optimization QPixmap::optimization() const
- {
- return data->opt;
- }
-
- inline bool QPixmap::isOptimized() const
- {
- return data->optim;
- }
-
- inline bool QPixmap::isQBitmap() const
- {
- return data->bitmap;
- }
-
-
- /*****************************************************************************
- QPixmap stream functions
- *****************************************************************************/
-
- QDataStream &operator<<( QDataStream &, const QPixmap & );
- QDataStream &operator>>( QDataStream &, QPixmap & );
-
-
- #endif // QPIXMAP_H
-