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-/****************************************************************************
-**
-** Definition of internal TQFontData struct
-**
-** Created : 941229
-**
-** Copyright (C) 2010 Timothy Pearson and (C) 1992-2008 Trolltech ASA.
-**
-** 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 files LICENSE.GPL2
-** and LICENSE.GPL3 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 requirements 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:
-** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
-** 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.
-**
-**********************************************************************/
-
-#ifndef TQFONTDATA_P_H
-#define TQFONTDATA_P_H
-
-//
-// W A R N I N G
-// -------------
-//
-// This file is not part of the TQt API. It exists for the convenience
-// of internal files. This header file may change from version to version
-// without notice, or even be removed.
-//
-// We mean it.
-//
-//
-
-#include "tqobject.h"
-#include "tqfont.h"
-#include "tqpaintdevicemetrics.h"
-
-// forwards
-class TQFontEngine;
-class TQPaintDevice;
-
-
-struct TQFontDef
-{
- inline TQFontDef()
- : pointSize( -1 ), pixelSize( -1 ),
- tqstyleHint( TQFont::AnyStyle ), styleStrategy( TQFont::PreferDefault ),
- weight( 50 ), italic( FALSE ), fixedPitch( FALSE ), stretch( 100 ),
- ignorePitch(TRUE)
-#ifdef TQ_WS_MAC
- ,fixedPitchComputed(FALSE)
-#endif
- {
- }
-
- TQString family;
-
-#ifdef TQ_WS_X11
- TQString addStyle;
-#endif // TQ_WS_X11
-
- int pointSize;
- int pixelSize;
-
- uint tqstyleHint : 8;
- uint styleStrategy : 16;
-
- uint weight : 7; // 0-99
- uint italic : 1;
- uint fixedPitch : 1;
- uint stretch : 12; // 0-400
-
- uint ignorePitch : 1;
- uint fixedPitchComputed : 1; // for Mac OS X only
- uint reserved : 14; // for future extensions
-
- bool operator==( const TQFontDef &other ) const;
- inline bool operator<( const TQFontDef &other ) const
- {
- if ( pixelSize != other.pixelSize ) return pixelSize < other.pixelSize;
- if ( weight != other.weight ) return weight < other.weight;
- if ( italic != other.italic ) return italic < other.italic;
- if ( stretch != other.stretch ) return stretch < other.stretch;
- if ( tqstyleHint != other.tqstyleHint ) return tqstyleHint < other.tqstyleHint;
- if ( styleStrategy != other.styleStrategy ) return styleStrategy < other.styleStrategy;
- if ( family != other.family ) return family < other.family;
-
-#ifdef TQ_WS_X11
- if ( addStyle != other.addStyle ) return addStyle < other.addStyle;
-#endif // TQ_WS_X11
-
- return FALSE;
- }
-};
-
-class TQFontEngineData : public TQShared
-{
-public:
- TQFontEngineData();
- ~TQFontEngineData();
-
- uint lineWidth;
-
-#if defined(TQ_WS_X11) || defined(TQ_WS_WIN)
- TQFontEngine *engines[TQFont::LastPrivateScript];
-#else
- TQFontEngine *engine;
-#endif // TQ_WS_X11 || TQ_WS_WIN
-#ifndef TQ_WS_MAC
- enum { widthCacheSize = 0x500 };
- uchar widthCache[widthCacheSize];
-#endif
-};
-
-
-class TQFontPrivate : public TQShared
-{
-public:
- static TQFont::Script defaultScript;
-#ifdef TQ_WS_X11
- static int defaultEncodingID;
-#endif // TQ_WS_X11
-
- TQFontPrivate();
- TQFontPrivate( const TQFontPrivate &other );
- ~TQFontPrivate();
-
- void load( TQFont::Script script );
- TQFontEngine *engineForScript( TQFont::Script script ) const {
- if ( script == TQFont::NoScript )
- script = TQFontPrivate::defaultScript;
-#if defined(TQ_WS_X11) || defined(TQ_WS_WIN)
- if ( ! engineData || ! engineData->engines[script] )
- ((TQFontPrivate *) this)->load( script );
- return engineData->engines[script];
-#else
- if ( ! engineData || ! engineData->engine )
- ((TQFontPrivate *) this)->load( script );
- return engineData->engine;
-#endif // TQ_WS_X11 || TQ_WS_WIN
- }
-
- TQFontDef request;
- TQFontEngineData *engineData;
- TQPaintDevice *painttqdevice;
- int screen;
-
- uint rawMode : 1;
- uint underline : 1;
- uint overline : 1;
- uint strikeOut : 1;
-
- enum {
- Family = 0x0001,
- Size = 0x0002,
- StyleHint = 0x0004,
- StyleStrategy = 0x0008,
- Weight = 0x0010,
- Italic = 0x0020,
- Underline = 0x0040,
- Overline = 0x0080,
- StrikeOut = 0x0100,
- FixedPitch = 0x0200,
- Stretch = 0x0400,
- Complete = 0x07ff
- };
-
- uint mask;
-
- void resolve( const TQFontPrivate *other );
-};
-
-
-class TQFontCache : public TQObject
-{
-public:
- static TQFontCache *instance;
-
- TQFontCache();
- ~TQFontCache();
-
-#ifdef TQ_WS_TQWS
- void clear();
-#endif
- // universal key structure. TQFontEngineDatas and TQFontEngines are cached using
- // the same keys
- struct Key {
- Key() : script(0), screen( 0 ), dpi(0) { }
- Key( const TQFontDef &d, TQFont::Script c, int s, TQPaintDevice *pdev )
- : script(c), screen(s) {
- def = d;
-#ifdef TQ_WS_X11
- dpi = pdev ? TQPaintDeviceMetrics(pdev).logicalDpiY() : 0;
-#else
- TQ_UNUSED(pdev);
- dpi = 0;
-#endif
- }
-
- TQFontDef def;
- int script;
- int screen;
- int dpi;
-
- inline bool operator<( const Key &other ) const
- {
- if ( script != other.script ) return script < other.script;
- if ( screen != other.screen ) return screen < other.screen;
- if ( dpi != other.dpi ) return dpi < other.dpi;
- return def < other.def;
- }
- inline bool operator==( const Key &other ) const
- { return def == other.def && script == other.script &&
- screen == other.screen && dpi == other.dpi; }
- };
-
- // TQFontEngineData cache
- typedef TQMap<Key,TQFontEngineData*> EngineDataCache;
- EngineDataCache engineDataCache;
-
- TQFontEngineData *findEngineData( const Key &key ) const;
- void insertEngineData( const Key &key, TQFontEngineData *engineData );
-
- // TQFontEngine cache
- struct Engine {
- Engine() : data( 0 ), timestamp( 0 ), hits( 0 ) { }
- Engine( TQFontEngine *d ) : data( d ), timestamp( 0 ), hits( 0 ) { }
-
- TQFontEngine *data;
- uint timestamp;
- uint hits;
- };
-
- typedef TQMap<Key,Engine> EngineCache;
- EngineCache engineCache;
-
- TQFontEngine *findEngine( const Key &key );
- void insertEngine( const Key &key, TQFontEngine *engine );
-
-#if defined(TQ_WS_WIN) || defined(TQ_WS_TQWS)
- void cleanupPrinterFonts();
-#endif
-
- private:
- void increaseCost( uint cost );
- void decreaseCost( uint cost );
- void timerEvent( TQTimerEvent *event );
-
- static const uint min_cost;
- uint total_cost, max_cost;
- uint current_timestamp;
- bool fast;
- int timer_id;
-};
-
-#endif // TQFONTDATA_P_H
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