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This is the verbatim text of the qpaintdevice.h include file. It is provided only for illustration; the copyright remains with Trolltech.
/****************************************************************************
** $Id: qt/qpaintdevice.h 3.3.8 edited Jan 11 14:38 $
**
** Definition of TQPaintDevice class
**
** Created : 940721
**
** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
**
** This file is part of the kernel module of the TQt GUI Toolkit.
**
** This file may be used under the terms of the GNU General Public
** License versions 2.0 or 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Alternatively you may (at your option) use any
** later version of the GNU General Public License if such license has
** been publicly approved by Trolltech ASA (or its successors, if any)
** and the KDE Free TQt Foundation.
**
** Please review the following information to ensure GNU General
** Public Licensing retquirements will be met:
** http://trolltech.com/products/qt/licenses/licensing/opensource/.
** If you are unsure which license is appropriate for your use, please
** review the following information:
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** or contact the sales department at sales@trolltech.com.
**
** This file may be used under the terms of the Q Public License as
** defined by Trolltech ASA and appearing in the file LICENSE.TQPL
** included in the packaging of this file. Licensees holding valid TQt
** Commercial licenses may use this file in accordance with the TQt
** Commercial License Agreement provided with the Software.
**
** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
** herein.
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**********************************************************************/
#ifndef TQPAINTDEVICE_H
#define TQPAINTDEVICE_H
#ifndef QT_H
#include "qwindowdefs.h"
#include "qrect.h"
#endif // QT_H
#if defined(Q_WS_QWS)
class TQWSDisplay;
class TQGfx;
#endif
class TQIODevice;
class TQString;
class TQTextItem;
#if defined(Q_WS_X11)
struct TQPaintDeviceX11Data;
#endif
union TQPDevCmdParam {
int ival;
int *ivec;
TQString *str;
const TQPoint *point;
const TQRect *rect;
const TQPointArray *ptarr;
const TQPixmap *pixmap;
const TQImage *image;
const TQColor *color;
const TQFont *font;
const TQPen *pen;
const TQBrush *brush;
const TQRegion *rgn;
const TQWMatrix *matrix;
const TQTextItem *textItem;
TQIODevice *device;
};
class Q_EXPORT TQPaintDevice // device for TQPainter
{
public:
virtual ~TQPaintDevice();
int devType() const;
bool isExtDev() const;
bool paintingActive() const;
virtual void setResolution( int );
virtual int resolution() const;
// Windows: get device context
// X-Windows: get drawable
#if defined(Q_WS_WIN)
virtual HDC handle() const;
#elif defined(Q_WS_X11)
virtual TQt::HANDLE handle() const;
virtual TQt::HANDLE x11RenderHandle() const;
#elif defined(Q_WS_MAC)
virtual TQt::HANDLE handle() const;
#elif defined(Q_WS_QWS)
virtual TQt::HANDLE handle() const;
#endif
#if defined(Q_WS_X11)
Display *x11Display() const;
int x11Screen() const;
int x11Depth() const;
int x11Cells() const;
TQt::HANDLE x11Colormap() const;
bool x11DefaultColormap() const;
void *x11Visual() const;
bool x11DefaultVisual() const;
static Display *x11AppDisplay();
static int x11AppScreen();
static int x11AppDpiX();
static int x11AppDpiY();
static void x11SetAppDpiX(int);
static void x11SetAppDpiY(int);
static int x11AppDepth();
static int x11AppCells();
static TQt::HANDLE x11AppRootWindow();
static TQt::HANDLE x11AppColormap();
static bool x11AppDefaultColormap();
static void *x11AppVisual();
static bool x11AppDefaultVisual();
// ### in 4.0, the above need to go away, the below needs to take a -1 default
// argument, signifying the default screen...
static int x11AppDepth( int screen );
static int x11AppCells( int screen );
static TQt::HANDLE x11AppRootWindow( int screen );
static TQt::HANDLE x11AppColormap( int screen );
static void *x11AppVisual( int screen );
static bool x11AppDefaultColormap( int screen );
static bool x11AppDefaultVisual( int screen );
static int x11AppDpiX( int );
static int x11AppDpiY( int );
static void x11SetAppDpiX( int, int );
static void x11SetAppDpiY( int, int );
#endif
#if defined(Q_WS_QWS)
static TQWSDisplay *qwsDisplay();
virtual unsigned char * scanLine(int) const;
virtual int bytesPerLine() const;
virtual TQGfx * graphicsContext(bool clip_children=TRUE) const;
#endif
enum PDevCmd {
PdcNOP = 0, // <void>
PdcDrawPoint = 1, // point
PdcDrawFirst = PdcDrawPoint,
PdcMoveTo = 2, // point
PdcLineTo = 3, // point
PdcDrawLine = 4, // point,point
PdcDrawRect = 5, // rect
PdcDrawRoundRect = 6, // rect,ival,ival
PdcDrawEllipse = 7, // rect
PdcDrawArc = 8, // rect,ival,ival
PdcDrawPie = 9, // rect,ival,ival
PdcDrawChord = 10, // rect,ival,ival
PdcDrawLineSegments = 11, // ptarr
PdcDrawPolyline = 12, // ptarr
PdcDrawPolygon = 13, // ptarr,ival
PdcDrawCubicBezier = 14, // ptarr
PdcDrawText = 15, // point,str
PdcDrawTextFormatted = 16, // rect,ival,str
PdcDrawPixmap = 17, // rect,pixmap
PdcDrawImage = 18, // rect,image
PdcDrawText2 = 19, // point,str
PdcDrawText2Formatted = 20, // rect,ival,str
PdcDrawTextItem = 21,
PdcDrawLast = PdcDrawTextItem,
// no painting commands below PdcDrawLast.
PdcBegin = 30, // <void>
PdcEnd = 31, // <void>
PdcSave = 32, // <void>
PdcRestore = 33, // <void>
PdcSetdev = 34, // device - PRIVATE
PdcSetBkColor = 40, // color
PdcSetBkMode = 41, // ival
PdcSetROP = 42, // ival
PdcSetBrushOrigin = 43, // point
PdcSetFont = 45, // font
PdcSetPen = 46, // pen
PdcSetBrush = 47, // brush
PdcSetTabStops = 48, // ival
PdcSetTabArray = 49, // ival,ivec
PdcSetUnit = 50, // ival
PdcSetVXform = 51, // ival
PdcSetWindow = 52, // rect
PdcSetViewport = 53, // rect
PdcSetWXform = 54, // ival
PdcSetWMatrix = 55, // matrix,ival
PdcSaveWMatrix = 56,
PdcRestoreWMatrix = 57,
PdcSetClip = 60, // ival
PdcSetClipRegion = 61, // rgn
PdcReservedStart = 0, // codes 0-199 are reserved
PdcReservedStop = 199 // for TQt
};
protected:
TQPaintDevice( uint devflags );
#if defined(Q_WS_WIN)
HDC hdc; // device context
#elif defined(Q_WS_X11)
TQt::HANDLE hd; // handle to drawable
TQt::HANDLE rendhd; // handle to RENDER pict
void copyX11Data( const TQPaintDevice * );
void cloneX11Data( const TQPaintDevice * );
virtual void setX11Data( const TQPaintDeviceX11Data* );
TQPaintDeviceX11Data* getX11Data( bool def=FALSE ) const;
#elif defined(Q_WS_MAC)
#if !defined( TQMAC_NO_QUARTZ )
CGContextRef ctx;
#endif
void * hd;
#elif defined(Q_WS_QWS)
TQt::HANDLE hd;
#endif
virtual bool cmd( int, TQPainter *, TQPDevCmdParam * );
virtual int metric( int ) const;
virtual int fontMet( TQFont *, int, const char * = 0, int = 0 ) const;
virtual int fontInf( TQFont *, int ) const;
ushort devFlags; // device flags
ushort painters; // refcount
friend class TQPainter;
friend class TQPaintDeviceMetrics;
#if defined(Q_WS_MAC)
#ifndef TQMAC_NO_QUARTZ
virtual CGContextRef macCGContext(bool clipped=TRUE) const;
#endif
friend Q_EXPORT void unclippedScaledBitBlt( TQPaintDevice *, int, int, int, int,
const TQPaintDevice *, int, int, int, int, TQt::RasterOp, bool, bool );
#else
friend Q_EXPORT void bitBlt( TQPaintDevice *, int, int,
const TQPaintDevice *,
int, int, int, int, TQt::RasterOp, bool );
#endif
#if defined(Q_WS_X11)
friend void qt_init_internal( int *, char **, Display *, TQt::HANDLE, TQt::HANDLE );
friend void qt_cleanup();
#endif
private:
#if defined(Q_WS_X11)
static Display *x_appdisplay;
static int x_appscreen;
static int x_appdepth;
static int x_appcells;
static TQt::HANDLE x_approotwindow;
static TQt::HANDLE x_appcolormap;
static bool x_appdefcolormap;
static void *x_appvisual;
static bool x_appdefvisual;
// ### in 4.0, remove the above, and replace with the below
static int *x_appdepth_arr;
static int *x_appcells_arr;
static TQt::HANDLE *x_approotwindow_arr;
static TQt::HANDLE *x_appcolormap_arr;
static bool *x_appdefcolormap_arr;
static void **x_appvisual_arr;
static bool *x_appdefvisual_arr;
TQPaintDeviceX11Data* x11Data;
#endif
private: // Disabled copy constructor and operator=
#if defined(Q_DISABLE_COPY)
TQPaintDevice( const TQPaintDevice & );
TQPaintDevice &operator=( const TQPaintDevice & );
#endif
};
Q_EXPORT
void bitBlt( TQPaintDevice *dst, int dx, int dy,
const TQPaintDevice *src, int sx=0, int sy=0, int sw=-1, int sh=-1,
TQt::RasterOp = TQt::CopyROP, bool ignoreMask=FALSE );
Q_EXPORT
void bitBlt( TQPaintDevice *dst, int dx, int dy,
const TQImage *src, int sx=0, int sy=0, int sw=-1, int sh=-1,
int conversion_flags=0 );
#if defined(Q_WS_X11)
struct Q_EXPORT TQPaintDeviceX11Data : public TQShared {
Display* x_display;
int x_screen;
int x_depth;
int x_cells;
TQt::HANDLE x_colormap;
bool x_defcolormap;
void* x_visual;
bool x_defvisual;
};
#endif
/*****************************************************************************
Inline functions
*****************************************************************************/
inline int TQPaintDevice::devType() const
{ return devFlags & TQInternal::DeviceTypeMask; }
inline bool TQPaintDevice::isExtDev() const
{ return (devFlags & TQInternal::ExternalDevice) != 0; }
inline bool TQPaintDevice::paintingActive() const
{ return painters != 0; }
#if defined(Q_WS_X11)
inline Display *TQPaintDevice::x11Display() const
{ return x11Data ? x11Data->x_display : x_appdisplay; }
inline int TQPaintDevice::x11Screen() const
{ return x11Data ? x11Data->x_screen : x_appscreen; }
inline int TQPaintDevice::x11Depth() const
{ return x11Data ? x11Data->x_depth : x_appdepth; }
inline int TQPaintDevice::x11Cells() const
{ return x11Data ? x11Data->x_cells : x_appcells; }
inline TQt::HANDLE TQPaintDevice::x11Colormap() const
{ return x11Data ? x11Data->x_colormap : x_appcolormap; }
inline bool TQPaintDevice::x11DefaultColormap() const
{ return x11Data ? x11Data->x_defcolormap : x_appdefcolormap; }
inline void *TQPaintDevice::x11Visual() const
{ return x11Data ? x11Data->x_visual : x_appvisual; }
inline bool TQPaintDevice::x11DefaultVisual() const
{ return x11Data ? x11Data->x_defvisual : x_appdefvisual; }
inline Display *TQPaintDevice::x11AppDisplay()
{ return x_appdisplay; }
inline int TQPaintDevice::x11AppScreen()
{ return x_appscreen; }
inline int TQPaintDevice::x11AppDepth( int screen )
{ return x_appdepth_arr[ screen == -1 ? x_appscreen : screen ]; }
inline int TQPaintDevice::x11AppCells( int screen )
{ return x_appcells_arr[ screen == -1 ? x_appscreen : screen ]; }
inline TQt::HANDLE TQPaintDevice::x11AppRootWindow( int screen )
{ return x_approotwindow_arr[ screen == -1 ? x_appscreen : screen ]; }
inline TQt::HANDLE TQPaintDevice::x11AppColormap( int screen )
{ return x_appcolormap_arr[ screen == -1 ? x_appscreen : screen ]; }
inline bool TQPaintDevice::x11AppDefaultColormap( int screen )
{ return x_appdefcolormap_arr[ screen == -1 ? x_appscreen : screen ]; }
inline void *TQPaintDevice::x11AppVisual( int screen )
{ return x_appvisual_arr[ screen == -1 ? x_appscreen : screen ]; }
inline bool TQPaintDevice::x11AppDefaultVisual( int screen )
{ return x_appdefvisual_arr[ screen == -1 ? x_appscreen : screen ]; }
inline int TQPaintDevice::x11AppDepth()
{ return x_appdepth; }
inline int TQPaintDevice::x11AppCells()
{ return x_appcells; }
inline TQt::HANDLE TQPaintDevice::x11AppRootWindow()
{ return x_approotwindow; }
inline TQt::HANDLE TQPaintDevice::x11AppColormap()
{ return x_appcolormap; }
inline bool TQPaintDevice::x11AppDefaultColormap()
{ return x_appdefcolormap; }
inline void *TQPaintDevice::x11AppVisual()
{ return x_appvisual; }
inline bool TQPaintDevice::x11AppDefaultVisual()
{ return x_appdefvisual; }
#endif // Q_WS_X11
Q_EXPORT
inline void bitBlt( TQPaintDevice *dst, const TQPoint &dp,
const TQPaintDevice *src, const TQRect &sr =TQRect(0,0,-1,-1),
TQt::RasterOp rop=TQt::CopyROP, bool ignoreMask=FALSE )
{
bitBlt( dst, dp.x(), dp.y(), src, sr.x(), sr.y(), sr.width(), sr.height(),
rop, ignoreMask );
}
#endif // TQPAINTDEVICE_H
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