| 1 | /****************************************************************************
|
|---|
| 2 | ** $Id: qfont_pm.cpp 8 2005-11-16 19:36:46Z dmik $
|
|---|
| 3 | **
|
|---|
| 4 | ** Implementation of QFont, QFontMetrics and QFontInfo classes for OS/2
|
|---|
| 5 | **
|
|---|
| 6 | ** Copyright (C) 1992-2000 Trolltech AS. All rights reserved.
|
|---|
| 7 | ** Copyright (C) 2004 Norman ASA. Initial OS/2 Port.
|
|---|
| 8 | ** Copyright (C) 2005 netlabs.org. Further OS/2 Development.
|
|---|
| 9 | **
|
|---|
| 10 | ** This file is part of the kernel module of the Qt GUI Toolkit.
|
|---|
| 11 | **
|
|---|
| 12 | ** This file may be distributed under the terms of the Q Public License
|
|---|
| 13 | ** as defined by Trolltech AS of Norway and appearing in the file
|
|---|
| 14 | ** LICENSE.QPL included in the packaging of this file.
|
|---|
| 15 | **
|
|---|
| 16 | ** This file may be distributed and/or modified under the terms of the
|
|---|
| 17 | ** GNU General Public License version 2 as published by the Free Software
|
|---|
| 18 | ** Foundation and appearing in the file LICENSE.GPL included in the
|
|---|
| 19 | ** packaging of this file.
|
|---|
| 20 | **
|
|---|
| 21 | ** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition
|
|---|
| 22 | ** licenses may use this file in accordance with the Qt Commercial License
|
|---|
| 23 | ** Agreement provided with the Software.
|
|---|
| 24 | **
|
|---|
| 25 | ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
|
|---|
| 26 | ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
|
|---|
| 27 | **
|
|---|
| 28 | ** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
|
|---|
| 29 | ** information about Qt Commercial License Agreements.
|
|---|
| 30 | ** See http://www.trolltech.com/qpl/ for QPL licensing information.
|
|---|
| 31 | ** See http://www.trolltech.com/gpl/ for GPL licensing information.
|
|---|
| 32 | **
|
|---|
| 33 | ** Contact info@trolltech.com if any conditions of this licensing are
|
|---|
| 34 | ** not clear to you.
|
|---|
| 35 | **
|
|---|
| 36 | **********************************************************************/
|
|---|
| 37 |
|
|---|
| 38 | #include "qfont.h"
|
|---|
| 39 | #include "qfontdata_p.h"
|
|---|
| 40 | #include "qfontengine_p.h"
|
|---|
| 41 | #include "qfontmetrics.h"
|
|---|
| 42 | #include "qfontinfo.h"
|
|---|
| 43 |
|
|---|
| 44 | #include "qwidget.h"
|
|---|
| 45 | #include "qpainter.h"
|
|---|
| 46 | #include "qdict.h"
|
|---|
| 47 | #include "qcache.h"
|
|---|
| 48 | #include <limits.h>
|
|---|
| 49 | #include "qt_os2.h"
|
|---|
| 50 | #include "qapplication_p.h"
|
|---|
| 51 | #include "qapplication.h"
|
|---|
| 52 | #include "qpaintdevicemetrics.h"
|
|---|
| 53 | #include <private/qunicodetables_p.h>
|
|---|
| 54 | #include <qfontdatabase.h>
|
|---|
| 55 |
|
|---|
| 56 |
|
|---|
| 57 | QString qt_pm_default_family( uint styleHint )
|
|---|
| 58 | {
|
|---|
| 59 | switch( styleHint ) {
|
|---|
| 60 | case QFont::Times:
|
|---|
| 61 | return QString::fromLatin1("Times New Roman");
|
|---|
| 62 | case QFont::Courier:
|
|---|
| 63 | return QString::fromLatin1("Courier");
|
|---|
| 64 | case QFont::Decorative:
|
|---|
| 65 | return QString::fromLatin1("Times New Roman");
|
|---|
| 66 | case QFont::Helvetica:
|
|---|
| 67 | return QString::fromLatin1("Helvetica");
|
|---|
| 68 | case QFont::System:
|
|---|
| 69 | //@@TODO (dmik): check for OS/2 ver and return the appropriate system font
|
|---|
| 70 | // (i.e. "System Proportional" for ver <= Warp 3)
|
|---|
| 71 | return QString::fromLatin1("WarpSans");
|
|---|
| 72 | default:
|
|---|
| 73 | // the family to be used when no StyleHint is set (in accordance
|
|---|
| 74 | // with the font matching algorithm stated in QFont docs)
|
|---|
| 75 | return QString::fromLatin1("Helvetica");
|
|---|
| 76 | }
|
|---|
| 77 | //@@TODO (dmik): should we also add default font substitutions to
|
|---|
| 78 | // initFontSubst()?
|
|---|
| 79 | }
|
|---|
| 80 |
|
|---|
| 81 | //@@TODO (dmik): remove
|
|---|
| 82 | //extern HDC shared_dc; // common dc for all fonts
|
|---|
| 83 |
|
|---|
| 84 | //@@TODO (dmik): remove?
|
|---|
| 85 | //// ### maybe move to qapplication_win
|
|---|
| 86 | //QFont qt_LOGFONTtoQFont(LOGFONT& lf, bool /*scale*/)
|
|---|
| 87 | //{
|
|---|
| 88 | // QString family = QT_WA_INLINE( QString::fromUcs2((ushort*)lf.lfFaceName),
|
|---|
| 89 | // QString::fromLocal8Bit((char*)lf.lfFaceName) );
|
|---|
| 90 | // QFont qf(family);
|
|---|
| 91 | // qf.setItalic(lf.lfItalic);
|
|---|
| 92 | // if (lf.lfWeight != FW_DONTCARE) {
|
|---|
| 93 | // int weight;
|
|---|
| 94 | // if ( lf.lfWeight < 400 )
|
|---|
| 95 | // weight = QFont::Light;
|
|---|
| 96 | // else if ( lf.lfWeight < 600 )
|
|---|
| 97 | // weight = QFont::Normal;
|
|---|
| 98 | // else if ( lf.lfWeight < 700 )
|
|---|
| 99 | // weight = QFont::DemiBold;
|
|---|
| 100 | // else if ( lf.lfWeight < 800 )
|
|---|
| 101 | // weight = QFont::Bold;
|
|---|
| 102 | // else
|
|---|
| 103 | // weight = QFont::Black;
|
|---|
| 104 | // qf.setWeight(weight);
|
|---|
| 105 | // }
|
|---|
| 106 | // int lfh = QABS( lf.lfHeight );
|
|---|
| 107 | // Q_ASSERT(shared_dc);
|
|---|
| 108 | // qf.setPointSizeFloat( lfh * 72.0 / GetDeviceCaps(shared_dc,LOGPIXELSY) );
|
|---|
| 109 | // qf.setUnderline(FALSE);
|
|---|
| 110 | // qf.setOverline(FALSE);
|
|---|
| 111 | // qf.setStrikeOut(FALSE);
|
|---|
| 112 | // return qf;
|
|---|
| 113 | //}
|
|---|
| 114 |
|
|---|
| 115 |
|
|---|
| 116 | //@@TODO (dmik): need these two funcs?
|
|---|
| 117 | //static inline float pixelSize( const QFontDef &request, QPaintDevice *paintdevice,
|
|---|
| 118 | // int )
|
|---|
| 119 | //{
|
|---|
| 120 | // float pSize;
|
|---|
| 121 | // if ( request.pointSize != -1 ) {
|
|---|
| 122 | // if ( paintdevice ) {
|
|---|
| 123 | // pSize = request.pointSize *
|
|---|
| 124 | // QPaintDeviceMetrics( paintdevice ).logicalDpiY() / 720.;
|
|---|
| 125 | // } else {
|
|---|
| 126 | // LONG dpi;
|
|---|
| 127 | // DevQueryCaps( GpiQueryDevice( qt_display_ps() ),
|
|---|
| 128 | // CAPS_VERTICAL_FONT_RES, 1, &val );
|
|---|
| 129 | // pSize = (request.pointSize*dpi + 360) / 720;
|
|---|
| 130 | // }
|
|---|
| 131 | // } else {
|
|---|
| 132 | // pSize = request.pixelSize;
|
|---|
| 133 | // }
|
|---|
| 134 | // return pSize;
|
|---|
| 135 | //}
|
|---|
| 136 | //
|
|---|
| 137 | //static inline float pointSize( const QFontDef &fd, QPaintDevice *paintdevice,
|
|---|
| 138 | // int )
|
|---|
| 139 | //{
|
|---|
| 140 | // float pSize;
|
|---|
| 141 | // if ( fd.pointSize == -1 ) {
|
|---|
| 142 | // if ( paintdevice ) {
|
|---|
| 143 | // pSize = fd.pixelSize * 720. /
|
|---|
| 144 | // QPaintDeviceMetrics( paintdevice ).logicalDpiY();
|
|---|
| 145 | // } else {
|
|---|
| 146 | // LONG dpi;
|
|---|
| 147 | // DevQueryCaps( GpiQueryDevice( qt_display_ps() ),
|
|---|
| 148 | // CAPS_VERTICAL_FONT_RES, 1, &val );
|
|---|
| 149 | // pSize = fd.pixelSize * 72.0 / dpi;
|
|---|
| 150 | // }
|
|---|
| 151 | // } else {
|
|---|
| 152 | // pSize = fd.pointSize;
|
|---|
| 153 | // }
|
|---|
| 154 | // return pSize;
|
|---|
| 155 | //}
|
|---|
| 156 |
|
|---|
| 157 | /*****************************************************************************
|
|---|
| 158 | QFont member functions
|
|---|
| 159 | *****************************************************************************/
|
|---|
| 160 |
|
|---|
| 161 | QFont::Script QFontPrivate::defaultScript = QFont::UnknownScript;
|
|---|
| 162 |
|
|---|
| 163 | void QFont::initialize()
|
|---|
| 164 | {
|
|---|
| 165 | if ( QFontCache::instance )
|
|---|
| 166 | return;
|
|---|
| 167 | //@@TODO (dmik): remove
|
|---|
| 168 | // shared_dc = CreateCompatibleDC( qt_display_dc() );
|
|---|
| 169 | //#if defined(QT_CHECK_RANGE)
|
|---|
| 170 | // if ( !shared_dc )
|
|---|
| 171 | // qSystemWarning( "QFont::initialize() (qfont_win.cpp, 163): couldn't create device context" );
|
|---|
| 172 | //#endif
|
|---|
| 173 | new QFontCache();
|
|---|
| 174 |
|
|---|
| 175 | // #########
|
|---|
| 176 | QFontPrivate::defaultScript = QFont::Latin;
|
|---|
| 177 | }
|
|---|
| 178 |
|
|---|
| 179 | void QFont::cleanup()
|
|---|
| 180 | {
|
|---|
| 181 | delete QFontCache::instance;
|
|---|
| 182 | //@@TODO (dmik): remove
|
|---|
| 183 | // DeleteDC( shared_dc );
|
|---|
| 184 | // shared_dc = 0;
|
|---|
| 185 | }
|
|---|
| 186 |
|
|---|
| 187 | void QFontPrivate::load( QFont::Script script )
|
|---|
| 188 | {
|
|---|
| 189 | // NOTE: the OS/2 implementation of this function is similar to
|
|---|
| 190 | // X11 and Windows implementations (which are identical). if they
|
|---|
| 191 | // change, probably, changes should come here as well...
|
|---|
| 192 |
|
|---|
| 193 | #ifdef QT_CHECK_STATE
|
|---|
| 194 | // sanity checks
|
|---|
| 195 | if (!QFontCache::instance)
|
|---|
| 196 | qWarning("Must construct a QApplication before a QFont");
|
|---|
| 197 | Q_ASSERT( script >= 0 && script < QFont::LastPrivateScript );
|
|---|
| 198 | #endif // QT_CHECK_STATE
|
|---|
| 199 |
|
|---|
| 200 | QFontDef req = request;
|
|---|
| 201 | int dpi;
|
|---|
| 202 | if ( paintdevice ) {
|
|---|
| 203 | dpi = QPaintDeviceMetrics( paintdevice ).logicalDpiY();
|
|---|
| 204 | } else {
|
|---|
| 205 | DevQueryCaps( GpiQueryDevice( qt_display_ps() ),
|
|---|
| 206 | CAPS_VERTICAL_FONT_RES, 1, (PLONG) &dpi );
|
|---|
| 207 | }
|
|---|
| 208 | if (req.pointSize != -1)
|
|---|
| 209 | req.pixelSize = (req.pointSize * dpi + 360) / 720;
|
|---|
| 210 | else // assuming (req.pixelSize != -1)
|
|---|
| 211 | req.pointSize = 0;
|
|---|
| 212 |
|
|---|
| 213 | if ( ! engineData ) {
|
|---|
| 214 | QFontCache::Key key( req, QFont::NoScript, (int)paintdevice );
|
|---|
| 215 |
|
|---|
| 216 | // look for the requested font in the engine data cache
|
|---|
| 217 | engineData = QFontCache::instance->findEngineData( key );
|
|---|
| 218 |
|
|---|
| 219 | if ( ! engineData) {
|
|---|
| 220 | // create a new one
|
|---|
| 221 | engineData = new QFontEngineData;
|
|---|
| 222 | QFontCache::instance->insertEngineData( key, engineData );
|
|---|
| 223 | } else {
|
|---|
| 224 | engineData->ref();
|
|---|
| 225 | }
|
|---|
| 226 | }
|
|---|
| 227 |
|
|---|
| 228 | // the cached engineData could have already loaded the engine we want
|
|---|
| 229 | //@@TODO (dmik): remove?
|
|---|
| 230 | // if ( engineData->engines[script] ) return;
|
|---|
| 231 | if ( engineData->engine ) return;
|
|---|
| 232 |
|
|---|
| 233 | // load the font
|
|---|
| 234 | QFontEngine *engine = 0;
|
|---|
| 235 | // double scale = 1.0; // ### TODO: fix the scale calculations
|
|---|
| 236 |
|
|---|
| 237 | // list of families to try
|
|---|
| 238 | QStringList family_list;
|
|---|
| 239 |
|
|---|
| 240 | if (!req.family.isEmpty()) {
|
|---|
| 241 | family_list = QStringList::split( ',', req.family );
|
|---|
| 242 |
|
|---|
| 243 | // append the substitute list for each family in family_list
|
|---|
| 244 | QStringList subs_list;
|
|---|
| 245 | QStringList::ConstIterator it = family_list.begin(), end = family_list.end();
|
|---|
| 246 | for ( ; it != end; ++it )
|
|---|
| 247 | subs_list += QFont::substitutes( *it );
|
|---|
| 248 | family_list += subs_list;
|
|---|
| 249 |
|
|---|
| 250 | //@@TODO (dmik): need something here?
|
|---|
| 251 | // append the default fallback font for the specified script
|
|---|
| 252 | // family_list << ... ; ###########
|
|---|
| 253 |
|
|---|
| 254 | // add the family corresponding to font's styleHint
|
|---|
| 255 | QString hintFamily = qt_pm_default_family( request.styleHint );
|
|---|
| 256 | if ( ! family_list.contains( hintFamily ) )
|
|---|
| 257 | family_list << hintFamily;
|
|---|
| 258 |
|
|---|
| 259 | //@@TODO (dmik): should we also add QFont::lastResortFamily() and
|
|---|
| 260 | // QFont::lastResortFont() to the list as stated in QFont docs about the
|
|---|
| 261 | // font matching algorithm? Also it's not clear why QApplication font is
|
|---|
| 262 | // below added to the list.
|
|---|
| 263 |
|
|---|
| 264 | // add the default family
|
|---|
| 265 | QString defaultFamily = QApplication::font().family();
|
|---|
| 266 | if ( ! family_list.contains( defaultFamily ) )
|
|---|
| 267 | family_list << defaultFamily;
|
|---|
| 268 |
|
|---|
| 269 | // add QFont::defaultFamily() to the list, for compatibility with
|
|---|
| 270 | // previous versions
|
|---|
| 271 | family_list << QApplication::font().defaultFamily();
|
|---|
| 272 | }
|
|---|
| 273 |
|
|---|
| 274 | // null family means find the first font matching the specified script
|
|---|
| 275 | family_list << QString::null;
|
|---|
| 276 |
|
|---|
| 277 | QStringList::ConstIterator it = family_list.begin(), end = family_list.end();
|
|---|
| 278 | for ( ; ! engine && it != end; ++it ) {
|
|---|
| 279 | req.family = *it;
|
|---|
| 280 |
|
|---|
| 281 | engine = QFontDatabase::findFont( script, this, req );
|
|---|
| 282 | if ( engine ) {
|
|---|
| 283 | if ( engine->type() != QFontEngine::Box )
|
|---|
| 284 | break;
|
|---|
| 285 |
|
|---|
| 286 | if ( ! req.family.isEmpty() )
|
|---|
| 287 | engine = 0;
|
|---|
| 288 |
|
|---|
| 289 | continue;
|
|---|
| 290 | }
|
|---|
| 291 | }
|
|---|
| 292 |
|
|---|
| 293 | engine->ref();
|
|---|
| 294 | //@@TODO (dmik): remove?
|
|---|
| 295 | // engineData->engines[script] = engine;
|
|---|
| 296 | engineData->engine = engine;
|
|---|
| 297 | }
|
|---|
| 298 |
|
|---|
| 299 | //@@TODO (dmik): do we actually need any handle?
|
|---|
| 300 | //PFATTRS QFont::handle() const
|
|---|
| 301 | //{
|
|---|
| 302 | // QFontEngine *engine = d->engineForScript( QFont::NoScript );
|
|---|
| 303 | // return &engine->fa;
|
|---|
| 304 | //}
|
|---|
| 305 |
|
|---|
| 306 | void QFont::selectTo( HPS hps ) const
|
|---|
| 307 | {
|
|---|
| 308 | QFontEngine *engine = d->engineForScript( QFont::NoScript );
|
|---|
| 309 | #ifdef QT_CHECK_STATE
|
|---|
| 310 | Q_ASSERT( engine != 0 );
|
|---|
| 311 | #endif // QT_CHECK_STATE
|
|---|
| 312 | engine->selectTo( hps );
|
|---|
| 313 | }
|
|---|
| 314 |
|
|---|
| 315 | QString QFont::rawName() const
|
|---|
| 316 | {
|
|---|
| 317 | //@@TODO (dmik): use szFacename here?
|
|---|
| 318 | return family();
|
|---|
| 319 | }
|
|---|
| 320 |
|
|---|
| 321 | void QFont::setRawName( const QString &name )
|
|---|
| 322 | {
|
|---|
| 323 | setFamily( name );
|
|---|
| 324 | }
|
|---|
| 325 |
|
|---|
| 326 |
|
|---|
| 327 | bool QFont::dirty() const
|
|---|
| 328 | {
|
|---|
| 329 | return !d->engineData;
|
|---|
| 330 | }
|
|---|
| 331 |
|
|---|
| 332 |
|
|---|
| 333 | QString QFont::defaultFamily() const
|
|---|
| 334 | {
|
|---|
| 335 | return qt_pm_default_family( d->request.styleHint );
|
|---|
| 336 | }
|
|---|
| 337 |
|
|---|
| 338 | QString QFont::lastResortFamily() const
|
|---|
| 339 | {
|
|---|
| 340 | return qt_pm_default_family( QFont::AnyStyle );
|
|---|
| 341 | }
|
|---|
| 342 |
|
|---|
| 343 | QString QFont::lastResortFont() const
|
|---|
| 344 | {
|
|---|
| 345 | return QString::fromLatin1("System Proportional");
|
|---|
| 346 | }
|
|---|
| 347 |
|
|---|
| 348 |
|
|---|
| 349 |
|
|---|
| 350 | /*****************************************************************************
|
|---|
| 351 | QFontMetrics member functions
|
|---|
| 352 | *****************************************************************************/
|
|---|
| 353 |
|
|---|
| 354 | //@@TODO (dmik): remove
|
|---|
| 355 | //#define IS_TRUETYPE (QT_WA_INLINE( engine->tm.w.tmPitchAndFamily, engine->tm.a.tmPitchAndFamily ) & TMPF_TRUETYPE)
|
|---|
| 356 | //#define TMX engine->tm.w
|
|---|
| 357 | //#define TMW engine->tm.w
|
|---|
| 358 | //#define TMA engine->tm.a
|
|---|
| 359 |
|
|---|
| 360 | //@@TODO (dmik): do we need a separate (other than in qfont.cpp)
|
|---|
| 361 | // implementation of this func?
|
|---|
| 362 | //int QFontMetrics::leftBearing(QChar ch) const
|
|---|
| 363 | //{
|
|---|
| 364 | //#ifdef Q_OS_TEMP
|
|---|
| 365 | // return 0;
|
|---|
| 366 | //#else
|
|---|
| 367 | // QFontEngine *engine = d->engineForScript( (QFont::Script) fscript );
|
|---|
| 368 | //#ifdef QT_CHECK_STATE
|
|---|
| 369 | // Q_ASSERT( engine != 0 );
|
|---|
| 370 | //#endif // QT_CHECK_STATE
|
|---|
| 371 | //
|
|---|
| 372 | // if ( IS_TRUETYPE ) {
|
|---|
| 373 | // ABC abc;
|
|---|
| 374 | // QT_WA( {
|
|---|
| 375 | // uint ch16 = ch.unicode();
|
|---|
| 376 | // GetCharABCWidths(engine->dc(),ch16,ch16,&abc);
|
|---|
| 377 | // } , {
|
|---|
| 378 | // uint ch8;
|
|---|
| 379 | // if ( ch.row() || ch.cell() > 127 ) {
|
|---|
| 380 | // QCString w = QString(ch).local8Bit();
|
|---|
| 381 | // if ( w.length() != 1 )
|
|---|
| 382 | // return 0;
|
|---|
| 383 | // ch8 = (uchar)w[0];
|
|---|
| 384 | // } else {
|
|---|
| 385 | // ch8 = ch.cell();
|
|---|
| 386 | // }
|
|---|
| 387 | // GetCharABCWidthsA(engine->dc(),ch8,ch8,&abc);
|
|---|
| 388 | // } );
|
|---|
| 389 | // return abc.abcA;
|
|---|
| 390 | // } else {
|
|---|
| 391 | // QT_WA( {
|
|---|
| 392 | // uint ch16 = ch.unicode();
|
|---|
| 393 | // ABCFLOAT abc;
|
|---|
| 394 | // GetCharABCWidthsFloat(engine->dc(),ch16,ch16,&abc);
|
|---|
| 395 | // return int(abc.abcfA);
|
|---|
| 396 | // } , {
|
|---|
| 397 | // return 0;
|
|---|
| 398 | // } );
|
|---|
| 399 | // }
|
|---|
| 400 | // return 0;
|
|---|
| 401 | //#endif
|
|---|
| 402 | //}
|
|---|
| 403 |
|
|---|
| 404 |
|
|---|
| 405 | //@@TODO (dmik): do we need a separate (other than in qfont.cpp)
|
|---|
| 406 | // implementation of this func?
|
|---|
| 407 | //int QFontMetrics::rightBearing(QChar ch) const
|
|---|
| 408 | //{
|
|---|
| 409 | // return 0;
|
|---|
| 410 | //#ifdef Q_OS_TEMP
|
|---|
| 411 | // return 0;
|
|---|
| 412 | //#else
|
|---|
| 413 | // QFontEngine *engine = d->engineForScript( (QFont::Script) fscript );
|
|---|
| 414 | //#ifdef QT_CHECK_STATE
|
|---|
| 415 | // Q_ASSERT( engine != 0 );
|
|---|
| 416 | //#endif // QT_CHECK_STATE
|
|---|
| 417 | //
|
|---|
| 418 | // if ( IS_TRUETYPE ) {
|
|---|
| 419 | // ABC abc;
|
|---|
| 420 | // QT_WA( {
|
|---|
| 421 | // uint ch16 = ch.unicode();
|
|---|
| 422 | // GetCharABCWidths(engine->dc(),ch16,ch16,&abc);
|
|---|
| 423 | // return abc.abcC;
|
|---|
| 424 | // } , {
|
|---|
| 425 | // uint ch8;
|
|---|
| 426 | // if ( ch.row() || ch.cell() > 127 ) {
|
|---|
| 427 | // QCString w = QString(ch).local8Bit();
|
|---|
| 428 | // if ( w.length() != 1 )
|
|---|
| 429 | // return 0;
|
|---|
| 430 | // ch8 = (uchar)w[0];
|
|---|
| 431 | // } else {
|
|---|
| 432 | // ch8 = ch.cell();
|
|---|
| 433 | // }
|
|---|
| 434 | // GetCharABCWidthsA(engine->dc(),ch8,ch8,&abc);
|
|---|
| 435 | // } );
|
|---|
| 436 | // return abc.abcC;
|
|---|
| 437 | // } else {
|
|---|
| 438 | // QT_WA( {
|
|---|
| 439 | // uint ch16 = ch.unicode();
|
|---|
| 440 | // ABCFLOAT abc;
|
|---|
| 441 | // GetCharABCWidthsFloat(engine->dc(),ch16,ch16,&abc);
|
|---|
| 442 | // return int(abc.abcfC);
|
|---|
| 443 | // } , {
|
|---|
| 444 | // return -TMW.tmOverhang;
|
|---|
| 445 | // } );
|
|---|
| 446 | // }
|
|---|
| 447 | //
|
|---|
| 448 | // return 0;
|
|---|
| 449 | //#endif
|
|---|
| 450 | //}
|
|---|
| 451 |
|
|---|
| 452 |
|
|---|
| 453 | int QFontMetrics::width( QChar ch ) const
|
|---|
| 454 | {
|
|---|
| 455 | if ( ::category( ch ) == QChar::Mark_NonSpacing )
|
|---|
| 456 | return 0;
|
|---|
| 457 |
|
|---|
| 458 | QFont::Script script;
|
|---|
| 459 | SCRIPT_FOR_CHAR( script, ch );
|
|---|
| 460 |
|
|---|
| 461 | QFontEngine *engine = d->engineForScript( script );
|
|---|
| 462 | #ifdef QT_CHECK_STATE
|
|---|
| 463 | Q_ASSERT( engine != 0 );
|
|---|
| 464 | #endif // QT_CHECK_STATE
|
|---|
| 465 |
|
|---|
| 466 | if ( painter )
|
|---|
| 467 | painter->setNativeXForm( FALSE /* assumeYNegation */);
|
|---|
| 468 |
|
|---|
| 469 | glyph_t glyphs[8];
|
|---|
| 470 | advance_t advances[8];
|
|---|
| 471 |
|
|---|
| 472 | int nglyphs = 7;
|
|---|
| 473 | engine->stringToCMap( &ch, 1, glyphs, advances, &nglyphs, FALSE );
|
|---|
| 474 |
|
|---|
| 475 | if ( painter )
|
|---|
| 476 | painter->clearNativeXForm();
|
|---|
| 477 |
|
|---|
| 478 | return advances[0];
|
|---|
| 479 | }
|
|---|
| 480 |
|
|---|
| 481 |
|
|---|
| 482 | int QFontMetrics::charWidth( const QString &str, int pos ) const
|
|---|
| 483 | {
|
|---|
| 484 | if ( pos < 0 || pos > (int)str.length() )
|
|---|
| 485 | return 0;
|
|---|
| 486 |
|
|---|
| 487 | if ( painter )
|
|---|
| 488 | painter->setNativeXForm( FALSE /* assumeYNegation */);
|
|---|
| 489 |
|
|---|
| 490 | QTextEngine layout( str, d );
|
|---|
| 491 | layout.itemize( QTextEngine::WidthOnly );
|
|---|
| 492 | int w = layout.width( pos, 1 );
|
|---|
| 493 |
|
|---|
| 494 | if ( painter )
|
|---|
| 495 | painter->clearNativeXForm();
|
|---|
| 496 |
|
|---|
| 497 | return w;
|
|---|
| 498 | }
|
|---|
