[2] | 1 | /****************************************************************************
|
---|
| 2 | **
|
---|
| 3 | ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
|
---|
[561] | 4 | ** All rights reserved.
|
---|
| 5 | ** Contact: Nokia Corporation ([email protected])
|
---|
[2] | 6 | **
|
---|
| 7 | ** This file is part of the QtGui module of the Qt Toolkit.
|
---|
| 8 | **
|
---|
| 9 | ** $QT_BEGIN_LICENSE:LGPL$
|
---|
| 10 | ** Commercial Usage
|
---|
| 11 | ** Licensees holding valid Qt Commercial licenses may use this file in
|
---|
| 12 | ** accordance with the Qt Commercial License Agreement provided with the
|
---|
| 13 | ** Software or, alternatively, in accordance with the terms contained in
|
---|
| 14 | ** a written agreement between you and Nokia.
|
---|
| 15 | **
|
---|
| 16 | ** GNU Lesser General Public License Usage
|
---|
| 17 | ** Alternatively, this file may be used under the terms of the GNU Lesser
|
---|
| 18 | ** General Public License version 2.1 as published by the Free Software
|
---|
| 19 | ** Foundation and appearing in the file LICENSE.LGPL included in the
|
---|
| 20 | ** packaging of this file. Please review the following information to
|
---|
| 21 | ** ensure the GNU Lesser General Public License version 2.1 requirements
|
---|
| 22 | ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
|
---|
| 23 | **
|
---|
[561] | 24 | ** In addition, as a special exception, Nokia gives you certain additional
|
---|
| 25 | ** rights. These rights are described in the Nokia Qt LGPL Exception
|
---|
| 26 | ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
|
---|
[2] | 27 | **
|
---|
| 28 | ** GNU General Public License Usage
|
---|
| 29 | ** Alternatively, this file may be used under the terms of the GNU
|
---|
| 30 | ** General Public License version 3.0 as published by the Free Software
|
---|
| 31 | ** Foundation and appearing in the file LICENSE.GPL included in the
|
---|
| 32 | ** packaging of this file. Please review the following information to
|
---|
| 33 | ** ensure the GNU General Public License version 3.0 requirements will be
|
---|
| 34 | ** met: http://www.gnu.org/copyleft/gpl.html.
|
---|
| 35 | **
|
---|
[561] | 36 | ** If you have questions regarding the use of this file, please contact
|
---|
| 37 | ** Nokia at [email protected].
|
---|
[2] | 38 | ** $QT_END_LICENSE$
|
---|
| 39 | **
|
---|
| 40 | ****************************************************************************/
|
---|
| 41 |
|
---|
| 42 | #include "qfontengine_p.h"
|
---|
| 43 | #include "qtextengine_p.h"
|
---|
| 44 | #include <qglobal.h>
|
---|
| 45 | #include "qt_windows.h"
|
---|
| 46 | #include <private/qapplication_p.h>
|
---|
| 47 |
|
---|
| 48 | #include <qlibrary.h>
|
---|
| 49 | #include <qpaintdevice.h>
|
---|
| 50 | #include <qpainter.h>
|
---|
| 51 | #include <limits.h>
|
---|
| 52 |
|
---|
| 53 | #include <qendian.h>
|
---|
| 54 | #include <qmath.h>
|
---|
| 55 | #include <qthreadstorage.h>
|
---|
| 56 |
|
---|
| 57 | #include <private/qunicodetables_p.h>
|
---|
| 58 | #include <qbitmap.h>
|
---|
| 59 |
|
---|
| 60 | #include <private/qpainter_p.h>
|
---|
| 61 | #include <private/qpdf_p.h>
|
---|
| 62 | #include "qpaintengine.h"
|
---|
| 63 | #include "qvarlengtharray.h"
|
---|
| 64 | #include <private/qpaintengine_raster_p.h>
|
---|
| 65 | #include <private/qnativeimage_p.h>
|
---|
| 66 |
|
---|
[561] | 67 | #if defined(Q_WS_WINCE)
|
---|
[2] | 68 | #include "qguifunctions_wince.h"
|
---|
| 69 | #endif
|
---|
| 70 |
|
---|
| 71 | //### mingw needed define
|
---|
| 72 | #ifndef TT_PRIM_CSPLINE
|
---|
| 73 | #define TT_PRIM_CSPLINE 3
|
---|
| 74 | #endif
|
---|
| 75 |
|
---|
| 76 | #ifdef MAKE_TAG
|
---|
| 77 | #undef MAKE_TAG
|
---|
| 78 | #endif
|
---|
| 79 | // GetFontData expects the tags in little endian ;(
|
---|
| 80 | #define MAKE_TAG(ch1, ch2, ch3, ch4) (\
|
---|
| 81 | (((quint32)(ch4)) << 24) | \
|
---|
| 82 | (((quint32)(ch3)) << 16) | \
|
---|
| 83 | (((quint32)(ch2)) << 8) | \
|
---|
| 84 | ((quint32)(ch1)) \
|
---|
| 85 | )
|
---|
| 86 |
|
---|
| 87 | // common DC for all fonts
|
---|
| 88 |
|
---|
| 89 | QT_BEGIN_NAMESPACE
|
---|
| 90 |
|
---|
| 91 | class QtHDC
|
---|
| 92 | {
|
---|
| 93 | HDC _hdc;
|
---|
| 94 | public:
|
---|
| 95 | QtHDC()
|
---|
| 96 | {
|
---|
| 97 | HDC displayDC = GetDC(0);
|
---|
| 98 | _hdc = CreateCompatibleDC(displayDC);
|
---|
| 99 | ReleaseDC(0, displayDC);
|
---|
| 100 | }
|
---|
| 101 | ~QtHDC()
|
---|
| 102 | {
|
---|
| 103 | if (_hdc)
|
---|
| 104 | DeleteDC(_hdc);
|
---|
| 105 | }
|
---|
| 106 | HDC hdc() const
|
---|
| 107 | {
|
---|
| 108 | return _hdc;
|
---|
| 109 | }
|
---|
| 110 | };
|
---|
| 111 |
|
---|
| 112 | #ifndef QT_NO_THREAD
|
---|
| 113 | Q_GLOBAL_STATIC(QThreadStorage<QtHDC *>, local_shared_dc)
|
---|
| 114 | HDC shared_dc()
|
---|
| 115 | {
|
---|
| 116 | QtHDC *&hdc = local_shared_dc()->localData();
|
---|
| 117 | if (!hdc)
|
---|
| 118 | hdc = new QtHDC;
|
---|
| 119 | return hdc->hdc();
|
---|
| 120 | }
|
---|
| 121 | #else
|
---|
| 122 | HDC shared_dc()
|
---|
| 123 | {
|
---|
| 124 | return 0;
|
---|
| 125 | }
|
---|
| 126 | #endif
|
---|
| 127 |
|
---|
[561] | 128 | #ifndef Q_WS_WINCE
|
---|
| 129 | typedef BOOL (WINAPI *PtrGetCharWidthI)(HDC, UINT, UINT, LPWORD, LPINT);
|
---|
[2] | 130 | static PtrGetCharWidthI ptrGetCharWidthI = 0;
|
---|
| 131 | static bool resolvedGetCharWidthI = false;
|
---|
| 132 |
|
---|
| 133 | static void resolveGetCharWidthI()
|
---|
| 134 | {
|
---|
| 135 | if (resolvedGetCharWidthI)
|
---|
| 136 | return;
|
---|
| 137 | resolvedGetCharWidthI = true;
|
---|
| 138 | ptrGetCharWidthI = (PtrGetCharWidthI)QLibrary::resolve(QLatin1String("gdi32"), "GetCharWidthI");
|
---|
| 139 | }
|
---|
[561] | 140 | #endif // !defined(Q_WS_WINCE)
|
---|
[2] | 141 |
|
---|
| 142 | // defined in qtextengine_win.cpp
|
---|
| 143 | typedef void *SCRIPT_CACHE;
|
---|
| 144 | typedef HRESULT (WINAPI *fScriptFreeCache)(SCRIPT_CACHE *);
|
---|
| 145 | extern fScriptFreeCache ScriptFreeCache;
|
---|
| 146 |
|
---|
| 147 | static inline quint32 getUInt(unsigned char *p)
|
---|
| 148 | {
|
---|
| 149 | quint32 val;
|
---|
| 150 | val = *p++ << 24;
|
---|
| 151 | val |= *p++ << 16;
|
---|
| 152 | val |= *p++ << 8;
|
---|
| 153 | val |= *p;
|
---|
| 154 |
|
---|
| 155 | return val;
|
---|
| 156 | }
|
---|
| 157 |
|
---|
| 158 | static inline quint16 getUShort(unsigned char *p)
|
---|
| 159 | {
|
---|
| 160 | quint16 val;
|
---|
| 161 | val = *p++ << 8;
|
---|
| 162 | val |= *p;
|
---|
| 163 |
|
---|
| 164 | return val;
|
---|
| 165 | }
|
---|
| 166 |
|
---|
| 167 | // general font engine
|
---|
| 168 |
|
---|
| 169 | QFixed QFontEngineWin::lineThickness() const
|
---|
| 170 | {
|
---|
| 171 | if(lineWidth > 0)
|
---|
| 172 | return lineWidth;
|
---|
| 173 |
|
---|
| 174 | return QFontEngine::lineThickness();
|
---|
| 175 | }
|
---|
| 176 |
|
---|
[561] | 177 | static OUTLINETEXTMETRIC *getOutlineTextMetric(HDC hdc)
|
---|
[2] | 178 | {
|
---|
| 179 | int size;
|
---|
[561] | 180 | size = GetOutlineTextMetrics(hdc, 0, 0);
|
---|
| 181 | OUTLINETEXTMETRIC *otm = (OUTLINETEXTMETRIC *)malloc(size);
|
---|
| 182 | GetOutlineTextMetrics(hdc, size, otm);
|
---|
[2] | 183 | return otm;
|
---|
| 184 | }
|
---|
| 185 |
|
---|
| 186 | void QFontEngineWin::getCMap()
|
---|
| 187 | {
|
---|
[561] | 188 | ttf = (bool)(tm.tmPitchAndFamily & TMPF_TRUETYPE);
|
---|
[2] | 189 | HDC hdc = shared_dc();
|
---|
| 190 | SelectObject(hdc, hfont);
|
---|
| 191 | bool symb = false;
|
---|
| 192 | if (ttf) {
|
---|
| 193 | cmapTable = getSfntTable(qbswap<quint32>(MAKE_TAG('c', 'm', 'a', 'p')));
|
---|
| 194 | int size = 0;
|
---|
| 195 | cmap = QFontEngine::getCMap(reinterpret_cast<const uchar *>(cmapTable.constData()),
|
---|
| 196 | cmapTable.size(), &symb, &size);
|
---|
| 197 | }
|
---|
| 198 | if (!cmap) {
|
---|
| 199 | ttf = false;
|
---|
| 200 | symb = false;
|
---|
| 201 | }
|
---|
| 202 | symbol = symb;
|
---|
| 203 | designToDevice = 1;
|
---|
| 204 | _faceId.index = 0;
|
---|
| 205 | if(cmap) {
|
---|
[561] | 206 | OUTLINETEXTMETRIC *otm = getOutlineTextMetric(hdc);
|
---|
[2] | 207 | designToDevice = QFixed((int)otm->otmEMSquare)/int(otm->otmTextMetrics.tmHeight);
|
---|
| 208 | unitsPerEm = otm->otmEMSquare;
|
---|
| 209 | x_height = (int)otm->otmsXHeight;
|
---|
| 210 | loadKerningPairs(designToDevice);
|
---|
[561] | 211 | _faceId.filename = QString::fromWCharArray((wchar_t *)((char *)otm + (int)otm->otmpFullName)).toLatin1();
|
---|
[2] | 212 | lineWidth = otm->otmsUnderscoreSize;
|
---|
| 213 | fsType = otm->otmfsType;
|
---|
| 214 | free(otm);
|
---|
| 215 | } else {
|
---|
[561] | 216 | unitsPerEm = tm.tmHeight;
|
---|
[2] | 217 | }
|
---|
| 218 | }
|
---|
| 219 |
|
---|
| 220 |
|
---|
| 221 | inline unsigned int getChar(const QChar *str, int &i, const int len)
|
---|
| 222 | {
|
---|
| 223 | unsigned int uc = str[i].unicode();
|
---|
| 224 | if (uc >= 0xd800 && uc < 0xdc00 && i < len-1) {
|
---|
| 225 | uint low = str[i+1].unicode();
|
---|
| 226 | if (low >= 0xdc00 && low < 0xe000) {
|
---|
| 227 | uc = (uc - 0xd800)*0x400 + (low - 0xdc00) + 0x10000;
|
---|
| 228 | ++i;
|
---|
| 229 | }
|
---|
| 230 | }
|
---|
| 231 | return uc;
|
---|
| 232 | }
|
---|
| 233 |
|
---|
| 234 | int QFontEngineWin::getGlyphIndexes(const QChar *str, int numChars, QGlyphLayout *glyphs, bool mirrored) const
|
---|
| 235 | {
|
---|
| 236 | int i = 0;
|
---|
| 237 | int glyph_pos = 0;
|
---|
| 238 | if (mirrored) {
|
---|
[561] | 239 | #if defined(Q_WS_WINCE)
|
---|
[2] | 240 | {
|
---|
| 241 | #else
|
---|
| 242 | if (symbol) {
|
---|
| 243 | for (; i < numChars; ++i, ++glyph_pos) {
|
---|
| 244 | unsigned int uc = getChar(str, i, numChars);
|
---|
| 245 | glyphs->glyphs[glyph_pos] = getTrueTypeGlyphIndex(cmap, uc);
|
---|
| 246 | if (!glyphs->glyphs[glyph_pos] && uc < 0x100)
|
---|
| 247 | glyphs->glyphs[glyph_pos] = getTrueTypeGlyphIndex(cmap, uc + 0xf000);
|
---|
| 248 | }
|
---|
| 249 | } else if (ttf) {
|
---|
| 250 | for (; i < numChars; ++i, ++glyph_pos) {
|
---|
| 251 | unsigned int uc = getChar(str, i, numChars);
|
---|
| 252 | glyphs->glyphs[glyph_pos] = getTrueTypeGlyphIndex(cmap, QChar::mirroredChar(uc));
|
---|
| 253 | }
|
---|
| 254 | } else {
|
---|
| 255 | #endif
|
---|
[561] | 256 | wchar_t first = tm.tmFirstChar;
|
---|
| 257 | wchar_t last = tm.tmLastChar;
|
---|
| 258 |
|
---|
[2] | 259 | for (; i < numChars; ++i, ++glyph_pos) {
|
---|
| 260 | uint ucs = QChar::mirroredChar(getChar(str, i, numChars));
|
---|
| 261 | if (
|
---|
[561] | 262 | #ifdef Q_WS_WINCE
|
---|
| 263 | tm.tmFirstChar > 60000 || // see line 375
|
---|
[2] | 264 | #endif
|
---|
| 265 | ucs >= first && ucs <= last)
|
---|
| 266 | glyphs->glyphs[glyph_pos] = ucs;
|
---|
| 267 | else
|
---|
| 268 | glyphs->glyphs[glyph_pos] = 0;
|
---|
| 269 | }
|
---|
| 270 | }
|
---|
| 271 | } else {
|
---|
[561] | 272 | #if defined(Q_WS_WINCE)
|
---|
[2] | 273 | {
|
---|
| 274 | #else
|
---|
| 275 | if (symbol) {
|
---|
| 276 | for (; i < numChars; ++i, ++glyph_pos) {
|
---|
| 277 | unsigned int uc = getChar(str, i, numChars);
|
---|
| 278 | glyphs->glyphs[i] = getTrueTypeGlyphIndex(cmap, uc);
|
---|
| 279 | if(!glyphs->glyphs[glyph_pos] && uc < 0x100)
|
---|
| 280 | glyphs->glyphs[glyph_pos] = getTrueTypeGlyphIndex(cmap, uc + 0xf000);
|
---|
| 281 | }
|
---|
| 282 | } else if (ttf) {
|
---|
| 283 | for (; i < numChars; ++i, ++glyph_pos) {
|
---|
| 284 | unsigned int uc = getChar(str, i, numChars);
|
---|
| 285 | glyphs->glyphs[glyph_pos] = getTrueTypeGlyphIndex(cmap, uc);
|
---|
| 286 | }
|
---|
| 287 | } else {
|
---|
| 288 | #endif
|
---|
[561] | 289 | wchar_t first = tm.tmFirstChar;
|
---|
| 290 | wchar_t last = tm.tmLastChar;
|
---|
| 291 |
|
---|
[2] | 292 | for (; i < numChars; ++i, ++glyph_pos) {
|
---|
| 293 | uint uc = getChar(str, i, numChars);
|
---|
| 294 | if (
|
---|
[561] | 295 | #ifdef Q_WS_WINCE
|
---|
| 296 | tm.tmFirstChar > 60000 || // see comment in QFontEngineWin
|
---|
[2] | 297 | #endif
|
---|
| 298 | uc >= first && uc <= last)
|
---|
| 299 | glyphs->glyphs[glyph_pos] = uc;
|
---|
| 300 | else
|
---|
| 301 | glyphs->glyphs[glyph_pos] = 0;
|
---|
| 302 | }
|
---|
| 303 | }
|
---|
| 304 | }
|
---|
| 305 | glyphs->numGlyphs = glyph_pos;
|
---|
| 306 | return glyph_pos;
|
---|
| 307 | }
|
---|
| 308 |
|
---|
| 309 |
|
---|
| 310 | QFontEngineWin::QFontEngineWin(const QString &name, HFONT _hfont, bool stockFont, LOGFONT lf)
|
---|
| 311 | {
|
---|
| 312 | //qDebug("regular windows font engine created: font='%s', size=%d", name, lf.lfHeight);
|
---|
| 313 |
|
---|
| 314 | _name = name;
|
---|
| 315 |
|
---|
| 316 | cmap = 0;
|
---|
| 317 | hfont = _hfont;
|
---|
| 318 | logfont = lf;
|
---|
| 319 | HDC hdc = shared_dc();
|
---|
| 320 | SelectObject(hdc, hfont);
|
---|
| 321 | this->stockFont = stockFont;
|
---|
| 322 | fontDef.pixelSize = -lf.lfHeight;
|
---|
| 323 |
|
---|
| 324 | lbearing = SHRT_MIN;
|
---|
| 325 | rbearing = SHRT_MIN;
|
---|
| 326 | synthesized_flags = -1;
|
---|
| 327 | lineWidth = -1;
|
---|
| 328 | x_height = -1;
|
---|
| 329 |
|
---|
[561] | 330 | BOOL res = GetTextMetrics(hdc, &tm);
|
---|
| 331 | fontDef.fixedPitch = !(tm.tmPitchAndFamily & TMPF_FIXED_PITCH);
|
---|
| 332 | if (!res) {
|
---|
[2] | 333 | qErrnoWarning("QFontEngineWin: GetTextMetrics failed");
|
---|
[561] | 334 | ZeroMemory(&tm, sizeof(TEXTMETRIC));
|
---|
| 335 | }
|
---|
[2] | 336 |
|
---|
[561] | 337 | cache_cost = tm.tmHeight * tm.tmAveCharWidth * 2000;
|
---|
[2] | 338 | getCMap();
|
---|
| 339 |
|
---|
| 340 | widthCache = 0;
|
---|
| 341 | widthCacheSize = 0;
|
---|
| 342 | designAdvances = 0;
|
---|
| 343 | designAdvancesSize = 0;
|
---|
| 344 |
|
---|
[561] | 345 | #ifndef Q_WS_WINCE
|
---|
[2] | 346 | if (!resolvedGetCharWidthI)
|
---|
| 347 | resolveGetCharWidthI();
|
---|
[561] | 348 | #endif
|
---|
[2] | 349 | }
|
---|
| 350 |
|
---|
| 351 | QFontEngineWin::~QFontEngineWin()
|
---|
| 352 | {
|
---|
| 353 | if (designAdvances)
|
---|
| 354 | free(designAdvances);
|
---|
| 355 |
|
---|
| 356 | if (widthCache)
|
---|
| 357 | free(widthCache);
|
---|
| 358 |
|
---|
| 359 | // make sure we aren't by accident still selected
|
---|
[561] | 360 | SelectObject(shared_dc(), (HFONT)GetStockObject(SYSTEM_FONT));
|
---|
[2] | 361 |
|
---|
| 362 | if (!stockFont) {
|
---|
| 363 | if (!DeleteObject(hfont))
|
---|
| 364 | qErrnoWarning("QFontEngineWin: failed to delete non-stock font...");
|
---|
| 365 | }
|
---|
| 366 | }
|
---|
| 367 |
|
---|
[561] | 368 | HGDIOBJ QFontEngineWin::selectDesignFont() const
|
---|
[2] | 369 | {
|
---|
| 370 | LOGFONT f = logfont;
|
---|
| 371 | f.lfHeight = unitsPerEm;
|
---|
[561] | 372 | HFONT designFont = CreateFontIndirect(&f);
|
---|
| 373 | return SelectObject(shared_dc(), designFont);
|
---|
[2] | 374 | }
|
---|
| 375 |
|
---|
| 376 | bool QFontEngineWin::stringToCMap(const QChar *str, int len, QGlyphLayout *glyphs, int *nglyphs, QTextEngine::ShaperFlags flags) const
|
---|
| 377 | {
|
---|
| 378 | if (*nglyphs < len) {
|
---|
| 379 | *nglyphs = len;
|
---|
| 380 | return false;
|
---|
| 381 | }
|
---|
| 382 |
|
---|
| 383 | *nglyphs = getGlyphIndexes(str, len, glyphs, flags & QTextEngine::RightToLeft);
|
---|
| 384 |
|
---|
| 385 | if (flags & QTextEngine::GlyphIndicesOnly)
|
---|
| 386 | return true;
|
---|
| 387 |
|
---|
[561] | 388 | recalcAdvances(glyphs, flags);
|
---|
| 389 | return true;
|
---|
| 390 | }
|
---|
[2] | 391 |
|
---|
[561] | 392 | inline void calculateTTFGlyphWidth(HDC hdc, UINT glyph, int &width)
|
---|
| 393 | {
|
---|
| 394 | #if defined(Q_WS_WINCE)
|
---|
| 395 | GetCharWidth32(hdc, glyph, glyph, &width);
|
---|
[2] | 396 | #else
|
---|
[561] | 397 | if (ptrGetCharWidthI)
|
---|
| 398 | ptrGetCharWidthI(hdc, glyph, 1, 0, &width);
|
---|
[2] | 399 | #endif
|
---|
| 400 | }
|
---|
| 401 |
|
---|
| 402 | void QFontEngineWin::recalcAdvances(QGlyphLayout *glyphs, QTextEngine::ShaperFlags flags) const
|
---|
| 403 | {
|
---|
| 404 | HGDIOBJ oldFont = 0;
|
---|
| 405 | HDC hdc = shared_dc();
|
---|
| 406 | if (ttf && (flags & QTextEngine::DesignMetrics)) {
|
---|
| 407 | for(int i = 0; i < glyphs->numGlyphs; i++) {
|
---|
| 408 | unsigned int glyph = glyphs->glyphs[i];
|
---|
| 409 | if(int(glyph) >= designAdvancesSize) {
|
---|
| 410 | int newSize = (glyph + 256) >> 8 << 8;
|
---|
[561] | 411 | designAdvances = q_check_ptr((QFixed *)realloc(designAdvances,
|
---|
| 412 | newSize*sizeof(QFixed)));
|
---|
[2] | 413 | for(int i = designAdvancesSize; i < newSize; ++i)
|
---|
| 414 | designAdvances[i] = -1000000;
|
---|
| 415 | designAdvancesSize = newSize;
|
---|
| 416 | }
|
---|
[561] | 417 | if (designAdvances[glyph] < -999999) {
|
---|
| 418 | if (!oldFont)
|
---|
| 419 | oldFont = selectDesignFont();
|
---|
[2] | 420 |
|
---|
[561] | 421 | int width = 0;
|
---|
| 422 | calculateTTFGlyphWidth(hdc, glyph, width);
|
---|
| 423 | designAdvances[glyph] = QFixed(width) / designToDevice;
|
---|
[2] | 424 | }
|
---|
| 425 | glyphs->advances_x[i] = designAdvances[glyph];
|
---|
| 426 | glyphs->advances_y[i] = 0;
|
---|
| 427 | }
|
---|
| 428 | if(oldFont)
|
---|
| 429 | DeleteObject(SelectObject(hdc, oldFont));
|
---|
| 430 | } else {
|
---|
| 431 | for(int i = 0; i < glyphs->numGlyphs; i++) {
|
---|
| 432 | unsigned int glyph = glyphs->glyphs[i];
|
---|
| 433 |
|
---|
| 434 | glyphs->advances_y[i] = 0;
|
---|
| 435 |
|
---|
| 436 | if (glyph >= widthCacheSize) {
|
---|
| 437 | int newSize = (glyph + 256) >> 8 << 8;
|
---|
[561] | 438 | widthCache = q_check_ptr((unsigned char *)realloc(widthCache,
|
---|
| 439 | newSize*sizeof(QFixed)));
|
---|
[2] | 440 | memset(widthCache + widthCacheSize, 0, newSize - widthCacheSize);
|
---|
| 441 | widthCacheSize = newSize;
|
---|
| 442 | }
|
---|
| 443 | glyphs->advances_x[i] = widthCache[glyph];
|
---|
| 444 | // font-width cache failed
|
---|
| 445 | if (glyphs->advances_x[i] == 0) {
|
---|
| 446 | int width = 0;
|
---|
| 447 | if (!oldFont)
|
---|
| 448 | oldFont = SelectObject(hdc, hfont);
|
---|
| 449 |
|
---|
| 450 | if (!ttf) {
|
---|
| 451 | QChar ch[2] = { ushort(glyph), 0 };
|
---|
| 452 | int chrLen = 1;
|
---|
| 453 | if (glyph > 0xffff) {
|
---|
| 454 | ch[0] = QChar::highSurrogate(glyph);
|
---|
| 455 | ch[1] = QChar::lowSurrogate(glyph);
|
---|
| 456 | ++chrLen;
|
---|
| 457 | }
|
---|
| 458 | SIZE size = {0, 0};
|
---|
[561] | 459 | GetTextExtentPoint32(hdc, (wchar_t *)ch, chrLen, &size);
|
---|
[2] | 460 | width = size.cx;
|
---|
| 461 | } else {
|
---|
[561] | 462 | calculateTTFGlyphWidth(hdc, glyph, width);
|
---|
[2] | 463 | }
|
---|
| 464 | glyphs->advances_x[i] = width;
|
---|
| 465 | // if glyph's within cache range, store it for later
|
---|
| 466 | if (width > 0 && width < 0x100)
|
---|
| 467 | widthCache[glyph] = width;
|
---|
| 468 | }
|
---|
| 469 | }
|
---|
| 470 |
|
---|
| 471 | if (oldFont)
|
---|
| 472 | SelectObject(hdc, oldFont);
|
---|
| 473 | }
|
---|
| 474 | }
|
---|
| 475 |
|
---|
| 476 | glyph_metrics_t QFontEngineWin::boundingBox(const QGlyphLayout &glyphs)
|
---|
| 477 | {
|
---|
| 478 | if (glyphs.numGlyphs == 0)
|
---|
| 479 | return glyph_metrics_t();
|
---|
| 480 |
|
---|
| 481 | QFixed w = 0;
|
---|
| 482 | for (int i = 0; i < glyphs.numGlyphs; ++i)
|
---|
| 483 | w += glyphs.effectiveAdvance(i);
|
---|
| 484 |
|
---|
[561] | 485 | return glyph_metrics_t(0, -tm.tmAscent, w, tm.tmHeight, w, 0);
|
---|
[2] | 486 | }
|
---|
| 487 |
|
---|
[561] | 488 | #ifndef Q_WS_WINCE
|
---|
| 489 | bool QFontEngineWin::getOutlineMetrics(glyph_t glyph, const QTransform &t, glyph_metrics_t *metrics) const
|
---|
| 490 | {
|
---|
| 491 | Q_ASSERT(metrics != 0);
|
---|
[2] | 492 |
|
---|
[561] | 493 | HDC hdc = shared_dc();
|
---|
[2] | 494 |
|
---|
[561] | 495 | GLYPHMETRICS gm;
|
---|
| 496 | DWORD res = 0;
|
---|
| 497 | MAT2 mat;
|
---|
| 498 | mat.eM11.value = mat.eM22.value = 1;
|
---|
| 499 | mat.eM11.fract = mat.eM22.fract = 0;
|
---|
| 500 | mat.eM21.value = mat.eM12.value = 0;
|
---|
| 501 | mat.eM21.fract = mat.eM12.fract = 0;
|
---|
[2] | 502 |
|
---|
[561] | 503 | if (t.type() > QTransform::TxTranslate) {
|
---|
| 504 | // We need to set the transform using the HDC's world
|
---|
| 505 | // matrix rather than using the MAT2 above, because the
|
---|
| 506 | // results provided when transforming via MAT2 does not
|
---|
| 507 | // match the glyphs that are drawn using a WorldTransform
|
---|
| 508 | XFORM xform;
|
---|
| 509 | xform.eM11 = t.m11();
|
---|
| 510 | xform.eM12 = t.m12();
|
---|
| 511 | xform.eM21 = t.m21();
|
---|
| 512 | xform.eM22 = t.m22();
|
---|
| 513 | xform.eDx = 0;
|
---|
| 514 | xform.eDy = 0;
|
---|
| 515 | SetGraphicsMode(hdc, GM_ADVANCED);
|
---|
| 516 | SetWorldTransform(hdc, &xform);
|
---|
| 517 | }
|
---|
| 518 |
|
---|
| 519 | uint format = GGO_METRICS;
|
---|
| 520 | if (ttf)
|
---|
| 521 | format |= GGO_GLYPH_INDEX;
|
---|
| 522 | res = GetGlyphOutline(hdc, glyph, format, &gm, 0, 0, &mat);
|
---|
| 523 |
|
---|
| 524 | if (t.type() > QTransform::TxTranslate) {
|
---|
| 525 | XFORM xform;
|
---|
| 526 | xform.eM11 = xform.eM22 = 1;
|
---|
| 527 | xform.eM12 = xform.eM21 = xform.eDx = xform.eDy = 0;
|
---|
| 528 | SetWorldTransform(hdc, &xform);
|
---|
| 529 | SetGraphicsMode(hdc, GM_COMPATIBLE);
|
---|
| 530 | }
|
---|
| 531 |
|
---|
| 532 | if (res != GDI_ERROR) {
|
---|
| 533 | *metrics = glyph_metrics_t(gm.gmptGlyphOrigin.x, -gm.gmptGlyphOrigin.y,
|
---|
| 534 | (int)gm.gmBlackBoxX, (int)gm.gmBlackBoxY, gm.gmCellIncX, gm.gmCellIncY);
|
---|
| 535 | return true;
|
---|
| 536 | } else {
|
---|
| 537 | return false;
|
---|
| 538 | }
|
---|
| 539 | }
|
---|
[2] | 540 | #endif
|
---|
| 541 |
|
---|
| 542 | glyph_metrics_t QFontEngineWin::boundingBox(glyph_t glyph, const QTransform &t)
|
---|
| 543 | {
|
---|
[561] | 544 | #ifndef Q_WS_WINCE
|
---|
[2] | 545 | HDC hdc = shared_dc();
|
---|
| 546 | SelectObject(hdc, hfont);
|
---|
| 547 |
|
---|
[561] | 548 | glyph_metrics_t glyphMetrics;
|
---|
| 549 | bool success = getOutlineMetrics(glyph, t, &glyphMetrics);
|
---|
[2] | 550 |
|
---|
[561] | 551 | if (!ttf && !success) {
|
---|
| 552 | // Bitmap fonts
|
---|
| 553 | wchar_t ch = glyph;
|
---|
| 554 | ABCFLOAT abc;
|
---|
| 555 | GetCharABCWidthsFloat(hdc, ch, ch, &abc);
|
---|
| 556 | int width = qRound(abc.abcfB);
|
---|
[2] | 557 |
|
---|
[561] | 558 | return glyph_metrics_t(QFixed::fromReal(abc.abcfA), -tm.tmAscent, width, tm.tmHeight, width, 0).transformed(t);
|
---|
| 559 | }
|
---|
[2] | 560 |
|
---|
[561] | 561 | return glyphMetrics;
|
---|
[2] | 562 | #else
|
---|
| 563 | HDC hdc = shared_dc();
|
---|
| 564 | HGDIOBJ oldFont = SelectObject(hdc, hfont);
|
---|
| 565 |
|
---|
| 566 | ABC abc;
|
---|
| 567 | int width;
|
---|
| 568 | int advance;
|
---|
| 569 | #ifdef GWES_MGTT // true type fonts
|
---|
| 570 | if (GetCharABCWidths(hdc, glyph, glyph, &abc)) {
|
---|
| 571 | width = qAbs(abc.abcA) + abc.abcB + qAbs(abc.abcC);
|
---|
| 572 | advance = abc.abcA + abc.abcB + abc.abcC;
|
---|
| 573 | }
|
---|
| 574 | else
|
---|
| 575 | #endif
|
---|
| 576 | #if defined(GWES_MGRAST) || defined(GWES_MGRAST2) // raster fonts
|
---|
| 577 | if (GetCharWidth32(hdc, glyph, glyph, &width)) {
|
---|
| 578 | advance = width;
|
---|
| 579 | }
|
---|
| 580 | else
|
---|
| 581 | #endif
|
---|
| 582 | { // fallback
|
---|
[561] | 583 | width = tm.tmMaxCharWidth;
|
---|
[2] | 584 | advance = width;
|
---|
| 585 | }
|
---|
| 586 |
|
---|
| 587 | SelectObject(hdc, oldFont);
|
---|
[561] | 588 | return glyph_metrics_t(0, -tm.tmAscent, width, tm.tmHeight, advance, 0).transformed(t);
|
---|
[2] | 589 | #endif
|
---|
| 590 | }
|
---|
| 591 |
|
---|
| 592 | QFixed QFontEngineWin::ascent() const
|
---|
| 593 | {
|
---|
[561] | 594 | return tm.tmAscent;
|
---|
[2] | 595 | }
|
---|
| 596 |
|
---|
| 597 | QFixed QFontEngineWin::descent() const
|
---|
| 598 | {
|
---|
[561] | 599 | // ### we substract 1 to even out the historical +1 in QFontMetrics's
|
---|
| 600 | // ### height=asc+desc+1 equation. Fix in Qt5.
|
---|
| 601 | return tm.tmDescent - 1;
|
---|
[2] | 602 | }
|
---|
| 603 |
|
---|
| 604 | QFixed QFontEngineWin::leading() const
|
---|
| 605 | {
|
---|
[561] | 606 | return tm.tmExternalLeading;
|
---|
[2] | 607 | }
|
---|
| 608 |
|
---|
| 609 |
|
---|
| 610 | QFixed QFontEngineWin::xHeight() const
|
---|
| 611 | {
|
---|
| 612 | if(x_height >= 0)
|
---|
| 613 | return x_height;
|
---|
| 614 | return QFontEngine::xHeight();
|
---|
| 615 | }
|
---|
| 616 |
|
---|
| 617 | QFixed QFontEngineWin::averageCharWidth() const
|
---|
| 618 | {
|
---|
[561] | 619 | return tm.tmAveCharWidth;
|
---|
[2] | 620 | }
|
---|
| 621 |
|
---|
| 622 | qreal QFontEngineWin::maxCharWidth() const
|
---|
| 623 | {
|
---|
[561] | 624 | return tm.tmMaxCharWidth;
|
---|
[2] | 625 | }
|
---|
| 626 |
|
---|
| 627 | enum { max_font_count = 256 };
|
---|
| 628 | static const ushort char_table[] = {
|
---|
| 629 | 40,
|
---|
| 630 | 67,
|
---|
| 631 | 70,
|
---|
| 632 | 75,
|
---|
| 633 | 86,
|
---|
| 634 | 88,
|
---|
| 635 | 89,
|
---|
| 636 | 91,
|
---|
| 637 | 102,
|
---|
| 638 | 114,
|
---|
| 639 | 124,
|
---|
| 640 | 127,
|
---|
| 641 | 205,
|
---|
| 642 | 645,
|
---|
| 643 | 884,
|
---|
| 644 | 922,
|
---|
| 645 | 1070,
|
---|
| 646 | 12386,
|
---|
| 647 | 0
|
---|
| 648 | };
|
---|
| 649 |
|
---|
| 650 | static const int char_table_entries = sizeof(char_table)/sizeof(ushort);
|
---|
| 651 |
|
---|
| 652 |
|
---|
| 653 | qreal QFontEngineWin::minLeftBearing() const
|
---|
| 654 | {
|
---|
| 655 | if (lbearing == SHRT_MIN)
|
---|
| 656 | minRightBearing(); // calculates both
|
---|
| 657 |
|
---|
| 658 | return lbearing;
|
---|
| 659 | }
|
---|
| 660 |
|
---|
| 661 | qreal QFontEngineWin::minRightBearing() const
|
---|
| 662 | {
|
---|
[561] | 663 | #ifdef Q_WS_WINCE
|
---|
[2] | 664 | if (rbearing == SHRT_MIN) {
|
---|
| 665 | int ml = 0;
|
---|
| 666 | int mr = 0;
|
---|
| 667 | HDC hdc = shared_dc();
|
---|
| 668 | SelectObject(hdc, hfont);
|
---|
| 669 | if (ttf) {
|
---|
| 670 | ABC *abc = 0;
|
---|
[561] | 671 | int n = tm.tmLastChar - tm.tmFirstChar;
|
---|
[2] | 672 | if (n <= max_font_count) {
|
---|
| 673 | abc = new ABC[n+1];
|
---|
[561] | 674 | GetCharABCWidths(hdc, tm.tmFirstChar, tm.tmLastChar, abc);
|
---|
[2] | 675 | } else {
|
---|
| 676 | abc = new ABC[char_table_entries+1];
|
---|
| 677 | for(int i = 0; i < char_table_entries; i++)
|
---|
| 678 | GetCharABCWidths(hdc, char_table[i], char_table[i], abc+i);
|
---|
| 679 | n = char_table_entries;
|
---|
| 680 | }
|
---|
| 681 | ml = abc[0].abcA;
|
---|
| 682 | mr = abc[0].abcC;
|
---|
| 683 | for (int i = 1; i < n; i++) {
|
---|
| 684 | if (abc[i].abcA + abc[i].abcB + abc[i].abcC != 0) {
|
---|
| 685 | ml = qMin(ml,abc[i].abcA);
|
---|
| 686 | mr = qMin(mr,abc[i].abcC);
|
---|
| 687 | }
|
---|
| 688 | }
|
---|
| 689 | delete [] abc;
|
---|
| 690 | }
|
---|
| 691 | lbearing = ml;
|
---|
| 692 | rbearing = mr;
|
---|
| 693 | }
|
---|
| 694 |
|
---|
| 695 | return rbearing;
|
---|
| 696 | #else
|
---|
| 697 | if (rbearing == SHRT_MIN) {
|
---|
| 698 | int ml = 0;
|
---|
| 699 | int mr = 0;
|
---|
| 700 | HDC hdc = shared_dc();
|
---|
| 701 | SelectObject(hdc, hfont);
|
---|
| 702 | if (ttf) {
|
---|
| 703 | ABC *abc = 0;
|
---|
[561] | 704 | int n = tm.tmLastChar - tm.tmFirstChar;
|
---|
[2] | 705 | if (n <= max_font_count) {
|
---|
| 706 | abc = new ABC[n+1];
|
---|
[561] | 707 | GetCharABCWidths(hdc, tm.tmFirstChar, tm.tmLastChar, abc);
|
---|
[2] | 708 | } else {
|
---|
| 709 | abc = new ABC[char_table_entries+1];
|
---|
[561] | 710 | for(int i = 0; i < char_table_entries; i++)
|
---|
| 711 | GetCharABCWidths(hdc, char_table[i], char_table[i], abc + i);
|
---|
[2] | 712 | n = char_table_entries;
|
---|
| 713 | }
|
---|
| 714 | ml = abc[0].abcA;
|
---|
| 715 | mr = abc[0].abcC;
|
---|
| 716 | for (int i = 1; i < n; i++) {
|
---|
| 717 | if (abc[i].abcA + abc[i].abcB + abc[i].abcC != 0) {
|
---|
| 718 | ml = qMin(ml,abc[i].abcA);
|
---|
| 719 | mr = qMin(mr,abc[i].abcC);
|
---|
| 720 | }
|
---|
| 721 | }
|
---|
| 722 | delete [] abc;
|
---|
| 723 | } else {
|
---|
[561] | 724 | ABCFLOAT *abc = 0;
|
---|
| 725 | int n = tm.tmLastChar - tm.tmFirstChar+1;
|
---|
| 726 | if (n <= max_font_count) {
|
---|
| 727 | abc = new ABCFLOAT[n];
|
---|
| 728 | GetCharABCWidthsFloat(hdc, tm.tmFirstChar, tm.tmLastChar, abc);
|
---|
| 729 | } else {
|
---|
| 730 | abc = new ABCFLOAT[char_table_entries];
|
---|
| 731 | for(int i = 0; i < char_table_entries; i++)
|
---|
| 732 | GetCharABCWidthsFloat(hdc, char_table[i], char_table[i], abc+i);
|
---|
| 733 | n = char_table_entries;
|
---|
| 734 | }
|
---|
| 735 | float fml = abc[0].abcfA;
|
---|
| 736 | float fmr = abc[0].abcfC;
|
---|
| 737 | for (int i=1; i<n; i++) {
|
---|
| 738 | if (abc[i].abcfA + abc[i].abcfB + abc[i].abcfC != 0) {
|
---|
| 739 | fml = qMin(fml,abc[i].abcfA);
|
---|
| 740 | fmr = qMin(fmr,abc[i].abcfC);
|
---|
[2] | 741 | }
|
---|
[561] | 742 | }
|
---|
| 743 | ml = int(fml - 0.9999);
|
---|
| 744 | mr = int(fmr - 0.9999);
|
---|
| 745 | delete [] abc;
|
---|
[2] | 746 | }
|
---|
| 747 | lbearing = ml;
|
---|
| 748 | rbearing = mr;
|
---|
| 749 | }
|
---|
| 750 |
|
---|
| 751 | return rbearing;
|
---|
| 752 | #endif
|
---|
| 753 | }
|
---|
| 754 |
|
---|
| 755 |
|
---|
| 756 | const char *QFontEngineWin::name() const
|
---|
| 757 | {
|
---|
| 758 | return 0;
|
---|
| 759 | }
|
---|
| 760 |
|
---|
| 761 | bool QFontEngineWin::canRender(const QChar *string, int len)
|
---|
| 762 | {
|
---|
| 763 | if (symbol) {
|
---|
| 764 | for (int i = 0; i < len; ++i) {
|
---|
| 765 | unsigned int uc = getChar(string, i, len);
|
---|
| 766 | if (getTrueTypeGlyphIndex(cmap, uc) == 0) {
|
---|
| 767 | if (uc < 0x100) {
|
---|
| 768 | if (getTrueTypeGlyphIndex(cmap, uc + 0xf000) == 0)
|
---|
| 769 | return false;
|
---|
| 770 | } else {
|
---|
| 771 | return false;
|
---|
| 772 | }
|
---|
| 773 | }
|
---|
| 774 | }
|
---|
| 775 | } else if (ttf) {
|
---|
| 776 | for (int i = 0; i < len; ++i) {
|
---|
| 777 | unsigned int uc = getChar(string, i, len);
|
---|
| 778 | if (getTrueTypeGlyphIndex(cmap, uc) == 0)
|
---|
| 779 | return false;
|
---|
| 780 | }
|
---|
| 781 | } else {
|
---|
[561] | 782 | while(len--) {
|
---|
| 783 | if (tm.tmFirstChar > string->unicode() || tm.tmLastChar < string->unicode())
|
---|
| 784 | return false;
|
---|
| 785 | }
|
---|
[2] | 786 | }
|
---|
| 787 | return true;
|
---|
| 788 | }
|
---|
| 789 |
|
---|
| 790 | QFontEngine::Type QFontEngineWin::type() const
|
---|
| 791 | {
|
---|
| 792 | return QFontEngine::Win;
|
---|
| 793 | }
|
---|
| 794 |
|
---|
| 795 | static inline double qt_fixed_to_double(const FIXED &p) {
|
---|
| 796 | return ((p.value << 16) + p.fract) / 65536.0;
|
---|
| 797 | }
|
---|
| 798 |
|
---|
| 799 | static inline QPointF qt_to_qpointf(const POINTFX &pt, qreal scale) {
|
---|
| 800 | return QPointF(qt_fixed_to_double(pt.x) * scale, -qt_fixed_to_double(pt.y) * scale);
|
---|
| 801 | }
|
---|
| 802 |
|
---|
| 803 | #ifndef GGO_UNHINTED
|
---|
| 804 | #define GGO_UNHINTED 0x0100
|
---|
| 805 | #endif
|
---|
| 806 |
|
---|
| 807 | static bool addGlyphToPath(glyph_t glyph, const QFixedPoint &position, HDC hdc,
|
---|
| 808 | QPainterPath *path, bool ttf, glyph_metrics_t *metric = 0, qreal scale = 1)
|
---|
| 809 | {
|
---|
[561] | 810 | #if defined(Q_WS_WINCE)
|
---|
[2] | 811 | Q_UNUSED(glyph);
|
---|
| 812 | Q_UNUSED(hdc);
|
---|
| 813 | #endif
|
---|
| 814 | MAT2 mat;
|
---|
| 815 | mat.eM11.value = mat.eM22.value = 1;
|
---|
| 816 | mat.eM11.fract = mat.eM22.fract = 0;
|
---|
| 817 | mat.eM21.value = mat.eM12.value = 0;
|
---|
| 818 | mat.eM21.fract = mat.eM12.fract = 0;
|
---|
| 819 | uint glyphFormat = GGO_NATIVE;
|
---|
| 820 |
|
---|
| 821 | if (ttf)
|
---|
| 822 | glyphFormat |= GGO_GLYPH_INDEX;
|
---|
| 823 |
|
---|
| 824 | GLYPHMETRICS gMetric;
|
---|
| 825 | memset(&gMetric, 0, sizeof(GLYPHMETRICS));
|
---|
| 826 | int bufferSize = GDI_ERROR;
|
---|
[561] | 827 | #if !defined(Q_WS_WINCE)
|
---|
| 828 | bufferSize = GetGlyphOutline(hdc, glyph, glyphFormat, &gMetric, 0, 0, &mat);
|
---|
[2] | 829 | #endif
|
---|
| 830 | if ((DWORD)bufferSize == GDI_ERROR) {
|
---|
| 831 | return false;
|
---|
| 832 | }
|
---|
| 833 |
|
---|
| 834 | void *dataBuffer = new char[bufferSize];
|
---|
| 835 | DWORD ret = GDI_ERROR;
|
---|
[561] | 836 | #if !defined(Q_WS_WINCE)
|
---|
| 837 | ret = GetGlyphOutline(hdc, glyph, glyphFormat, &gMetric, bufferSize, dataBuffer, &mat);
|
---|
[2] | 838 | #endif
|
---|
| 839 | if (ret == GDI_ERROR) {
|
---|
| 840 | delete [](char *)dataBuffer;
|
---|
| 841 | return false;
|
---|
| 842 | }
|
---|
| 843 |
|
---|
| 844 | if(metric) {
|
---|
| 845 | // #### obey scale
|
---|
| 846 | *metric = glyph_metrics_t(gMetric.gmptGlyphOrigin.x, -gMetric.gmptGlyphOrigin.y,
|
---|
| 847 | (int)gMetric.gmBlackBoxX, (int)gMetric.gmBlackBoxY,
|
---|
| 848 | gMetric.gmCellIncX, gMetric.gmCellIncY);
|
---|
| 849 | }
|
---|
| 850 |
|
---|
| 851 | int offset = 0;
|
---|
| 852 | int headerOffset = 0;
|
---|
| 853 | TTPOLYGONHEADER *ttph = 0;
|
---|
| 854 |
|
---|
| 855 | QPointF oset = position.toPointF();
|
---|
| 856 | while (headerOffset < bufferSize) {
|
---|
| 857 | ttph = (TTPOLYGONHEADER*)((char *)dataBuffer + headerOffset);
|
---|
| 858 |
|
---|
| 859 | QPointF lastPoint(qt_to_qpointf(ttph->pfxStart, scale));
|
---|
| 860 | path->moveTo(lastPoint + oset);
|
---|
| 861 | offset += sizeof(TTPOLYGONHEADER);
|
---|
| 862 | TTPOLYCURVE *curve;
|
---|
| 863 | while (offset<int(headerOffset + ttph->cb)) {
|
---|
| 864 | curve = (TTPOLYCURVE*)((char*)(dataBuffer) + offset);
|
---|
| 865 | switch (curve->wType) {
|
---|
| 866 | case TT_PRIM_LINE: {
|
---|
| 867 | for (int i=0; i<curve->cpfx; ++i) {
|
---|
| 868 | QPointF p = qt_to_qpointf(curve->apfx[i], scale) + oset;
|
---|
| 869 | path->lineTo(p);
|
---|
| 870 | }
|
---|
| 871 | break;
|
---|
| 872 | }
|
---|
| 873 | case TT_PRIM_QSPLINE: {
|
---|
| 874 | const QPainterPath::Element &elm = path->elementAt(path->elementCount()-1);
|
---|
| 875 | QPointF prev(elm.x, elm.y);
|
---|
| 876 | QPointF endPoint;
|
---|
| 877 | for (int i=0; i<curve->cpfx - 1; ++i) {
|
---|
| 878 | QPointF p1 = qt_to_qpointf(curve->apfx[i], scale) + oset;
|
---|
| 879 | QPointF p2 = qt_to_qpointf(curve->apfx[i+1], scale) + oset;
|
---|
| 880 | if (i < curve->cpfx - 2) {
|
---|
| 881 | endPoint = QPointF((p1.x() + p2.x()) / 2, (p1.y() + p2.y()) / 2);
|
---|
| 882 | } else {
|
---|
| 883 | endPoint = p2;
|
---|
| 884 | }
|
---|
| 885 |
|
---|
| 886 | path->quadTo(p1, endPoint);
|
---|
| 887 | prev = endPoint;
|
---|
| 888 | }
|
---|
| 889 |
|
---|
| 890 | break;
|
---|
| 891 | }
|
---|
| 892 | case TT_PRIM_CSPLINE: {
|
---|
| 893 | for (int i=0; i<curve->cpfx; ) {
|
---|
| 894 | QPointF p2 = qt_to_qpointf(curve->apfx[i++], scale) + oset;
|
---|
| 895 | QPointF p3 = qt_to_qpointf(curve->apfx[i++], scale) + oset;
|
---|
| 896 | QPointF p4 = qt_to_qpointf(curve->apfx[i++], scale) + oset;
|
---|
| 897 | path->cubicTo(p2, p3, p4);
|
---|
| 898 | }
|
---|
| 899 | break;
|
---|
| 900 | }
|
---|
| 901 | default:
|
---|
| 902 | qWarning("QFontEngineWin::addOutlineToPath, unhandled switch case");
|
---|
| 903 | }
|
---|
| 904 | offset += sizeof(TTPOLYCURVE) + (curve->cpfx-1) * sizeof(POINTFX);
|
---|
| 905 | }
|
---|
| 906 | path->closeSubpath();
|
---|
| 907 | headerOffset += ttph->cb;
|
---|
| 908 | }
|
---|
| 909 | delete [] (char*)dataBuffer;
|
---|
| 910 |
|
---|
| 911 | return true;
|
---|
| 912 | }
|
---|
| 913 |
|
---|
| 914 | void QFontEngineWin::addGlyphsToPath(glyph_t *glyphs, QFixedPoint *positions, int nglyphs,
|
---|
| 915 | QPainterPath *path, QTextItem::RenderFlags)
|
---|
| 916 | {
|
---|
| 917 | LOGFONT lf = logfont;
|
---|
| 918 | // The sign must be negative here to make sure we match against character height instead of
|
---|
| 919 | // hinted cell height. This ensures that we get linear matching, and we need this for
|
---|
| 920 | // paths since we later on apply a scaling transform to the glyph outline to get the
|
---|
| 921 | // font at the correct pixel size.
|
---|
| 922 | lf.lfHeight = -unitsPerEm;
|
---|
| 923 | lf.lfWidth = 0;
|
---|
[561] | 924 | HFONT hf = CreateFontIndirect(&lf);
|
---|
[2] | 925 | HDC hdc = shared_dc();
|
---|
| 926 | HGDIOBJ oldfont = SelectObject(hdc, hf);
|
---|
| 927 |
|
---|
| 928 | for(int i = 0; i < nglyphs; ++i) {
|
---|
| 929 | if (!addGlyphToPath(glyphs[i], positions[i], hdc, path, ttf, /*metric*/0,
|
---|
| 930 | qreal(fontDef.pixelSize) / unitsPerEm)) {
|
---|
| 931 | // Some windows fonts, like "Modern", are vector stroke
|
---|
| 932 | // fonts, which are reported as TMPF_VECTOR but do not
|
---|
| 933 | // support GetGlyphOutline, and thus we set this bit so
|
---|
| 934 | // that addOutLineToPath can check it and return safely...
|
---|
| 935 | hasOutline = false;
|
---|
| 936 | break;
|
---|
| 937 | }
|
---|
| 938 | }
|
---|
| 939 | DeleteObject(SelectObject(hdc, oldfont));
|
---|
| 940 | }
|
---|
| 941 |
|
---|
| 942 | void QFontEngineWin::addOutlineToPath(qreal x, qreal y, const QGlyphLayout &glyphs,
|
---|
| 943 | QPainterPath *path, QTextItem::RenderFlags flags)
|
---|
| 944 | {
|
---|
[561] | 945 | #if !defined(Q_WS_WINCE)
|
---|
| 946 | if(tm.tmPitchAndFamily & (TMPF_TRUETYPE | TMPF_VECTOR)) {
|
---|
[2] | 947 | hasOutline = true;
|
---|
| 948 | QFontEngine::addOutlineToPath(x, y, glyphs, path, flags);
|
---|
| 949 | if (hasOutline) {
|
---|
| 950 | // has_outline is set to false if addGlyphToPath gets
|
---|
| 951 | // false from GetGlyphOutline, meaning its not an outline
|
---|
| 952 | // font.
|
---|
| 953 | return;
|
---|
| 954 | }
|
---|
| 955 | }
|
---|
| 956 | #endif
|
---|
| 957 | QFontEngine::addBitmapFontToPath(x, y, glyphs, path, flags);
|
---|
| 958 | }
|
---|
| 959 |
|
---|
| 960 | QFontEngine::FaceId QFontEngineWin::faceId() const
|
---|
| 961 | {
|
---|
| 962 | return _faceId;
|
---|
| 963 | }
|
---|
| 964 |
|
---|
| 965 | QT_BEGIN_INCLUDE_NAMESPACE
|
---|
| 966 | #include <qdebug.h>
|
---|
| 967 | QT_END_INCLUDE_NAMESPACE
|
---|
| 968 |
|
---|
| 969 | int QFontEngineWin::synthesized() const
|
---|
| 970 | {
|
---|
| 971 | if(synthesized_flags == -1) {
|
---|
| 972 | synthesized_flags = 0;
|
---|
| 973 | if(ttf) {
|
---|
| 974 | const DWORD HEAD = MAKE_TAG('h', 'e', 'a', 'd');
|
---|
| 975 | HDC hdc = shared_dc();
|
---|
| 976 | SelectObject(hdc, hfont);
|
---|
| 977 | uchar data[4];
|
---|
| 978 | GetFontData(hdc, HEAD, 44, &data, 4);
|
---|
| 979 | USHORT macStyle = getUShort(data);
|
---|
[561] | 980 | if (tm.tmItalic && !(macStyle & 2))
|
---|
[2] | 981 | synthesized_flags = SynthesizedItalic;
|
---|
| 982 | if (fontDef.stretch != 100 && ttf)
|
---|
| 983 | synthesized_flags |= SynthesizedStretch;
|
---|
[561] | 984 | if (tm.tmWeight >= 500 && !(macStyle & 1))
|
---|
[2] | 985 | synthesized_flags |= SynthesizedBold;
|
---|
| 986 | //qDebug() << "font is" << _name <<
|
---|
| 987 | // "it=" << (macStyle & 2) << fontDef.style << "flags=" << synthesized_flags;
|
---|
| 988 | }
|
---|
| 989 | }
|
---|
| 990 | return synthesized_flags;
|
---|
| 991 | }
|
---|
| 992 |
|
---|
| 993 | QFixed QFontEngineWin::emSquareSize() const
|
---|
| 994 | {
|
---|
| 995 | return unitsPerEm;
|
---|
| 996 | }
|
---|
| 997 |
|
---|
| 998 | QFontEngine::Properties QFontEngineWin::properties() const
|
---|
| 999 | {
|
---|
| 1000 | LOGFONT lf = logfont;
|
---|
| 1001 | lf.lfHeight = unitsPerEm;
|
---|
[561] | 1002 | HFONT hf = CreateFontIndirect(&lf);
|
---|
[2] | 1003 | HDC hdc = shared_dc();
|
---|
| 1004 | HGDIOBJ oldfont = SelectObject(hdc, hf);
|
---|
[561] | 1005 | OUTLINETEXTMETRIC *otm = getOutlineTextMetric(hdc);
|
---|
[2] | 1006 | Properties p;
|
---|
| 1007 | p.emSquare = unitsPerEm;
|
---|
| 1008 | p.italicAngle = otm->otmItalicAngle;
|
---|
[561] | 1009 | p.postscriptName = QString::fromWCharArray((wchar_t *)((char *)otm + (int)otm->otmpFamilyName)).toLatin1();
|
---|
| 1010 | p.postscriptName += QString::fromWCharArray((wchar_t *)((char *)otm + (int)otm->otmpStyleName)).toLatin1();
|
---|
[2] | 1011 | #ifndef QT_NO_PRINTER
|
---|
| 1012 | p.postscriptName = QPdf::stripSpecialCharacters(p.postscriptName);
|
---|
| 1013 | #endif
|
---|
| 1014 | p.boundingBox = QRectF(otm->otmrcFontBox.left, -otm->otmrcFontBox.top,
|
---|
| 1015 | otm->otmrcFontBox.right - otm->otmrcFontBox.left,
|
---|
| 1016 | otm->otmrcFontBox.top - otm->otmrcFontBox.bottom);
|
---|
| 1017 | p.ascent = otm->otmAscent;
|
---|
| 1018 | p.descent = -otm->otmDescent;
|
---|
| 1019 | p.leading = (int)otm->otmLineGap;
|
---|
| 1020 | p.capHeight = 0;
|
---|
| 1021 | p.lineWidth = otm->otmsUnderscoreSize;
|
---|
| 1022 | free(otm);
|
---|
| 1023 | DeleteObject(SelectObject(hdc, oldfont));
|
---|
| 1024 | return p;
|
---|
| 1025 | }
|
---|
| 1026 |
|
---|
| 1027 | void QFontEngineWin::getUnscaledGlyph(glyph_t glyph, QPainterPath *path, glyph_metrics_t *metrics)
|
---|
| 1028 | {
|
---|
| 1029 | LOGFONT lf = logfont;
|
---|
| 1030 | lf.lfHeight = unitsPerEm;
|
---|
| 1031 | int flags = synthesized();
|
---|
| 1032 | if(flags & SynthesizedItalic)
|
---|
| 1033 | lf.lfItalic = false;
|
---|
| 1034 | lf.lfWidth = 0;
|
---|
[561] | 1035 | HFONT hf = CreateFontIndirect(&lf);
|
---|
[2] | 1036 | HDC hdc = shared_dc();
|
---|
| 1037 | HGDIOBJ oldfont = SelectObject(hdc, hf);
|
---|
| 1038 | QFixedPoint p;
|
---|
| 1039 | p.x = 0;
|
---|
| 1040 | p.y = 0;
|
---|
| 1041 | addGlyphToPath(glyph, p, hdc, path, ttf, metrics);
|
---|
| 1042 | DeleteObject(SelectObject(hdc, oldfont));
|
---|
| 1043 | }
|
---|
| 1044 |
|
---|
| 1045 | bool QFontEngineWin::getSfntTableData(uint tag, uchar *buffer, uint *length) const
|
---|
| 1046 | {
|
---|
| 1047 | if (!ttf)
|
---|
| 1048 | return false;
|
---|
| 1049 | HDC hdc = shared_dc();
|
---|
| 1050 | SelectObject(hdc, hfont);
|
---|
| 1051 | DWORD t = qbswap<quint32>(tag);
|
---|
| 1052 | *length = GetFontData(hdc, t, 0, buffer, *length);
|
---|
| 1053 | return *length != GDI_ERROR;
|
---|
| 1054 | }
|
---|
| 1055 |
|
---|
| 1056 | #if !defined(CLEARTYPE_QUALITY)
|
---|
| 1057 | # define CLEARTYPE_QUALITY 5
|
---|
| 1058 | #endif
|
---|
| 1059 |
|
---|
[561] | 1060 | extern bool qt_cleartype_enabled;
|
---|
[2] | 1061 |
|
---|
| 1062 | QNativeImage *QFontEngineWin::drawGDIGlyph(HFONT font, glyph_t glyph, int margin,
|
---|
[561] | 1063 | const QTransform &t, QImage::Format mask_format)
|
---|
[2] | 1064 | {
|
---|
[561] | 1065 | Q_UNUSED(mask_format)
|
---|
[2] | 1066 | glyph_metrics_t gm = boundingBox(glyph);
|
---|
| 1067 |
|
---|
| 1068 | // printf(" -> for glyph %4x\n", glyph);
|
---|
| 1069 |
|
---|
| 1070 | int gx = gm.x.toInt();
|
---|
| 1071 | int gy = gm.y.toInt();
|
---|
| 1072 | int iw = gm.width.toInt();
|
---|
| 1073 | int ih = gm.height.toInt();
|
---|
| 1074 |
|
---|
| 1075 | if (iw <= 0 || iw <= 0)
|
---|
| 1076 | return 0;
|
---|
| 1077 |
|
---|
| 1078 | bool has_transformation = t.type() > QTransform::TxTranslate;
|
---|
| 1079 |
|
---|
[561] | 1080 | #ifndef Q_WS_WINCE
|
---|
[2] | 1081 | unsigned int options = ttf ? ETO_GLYPH_INDEX : 0;
|
---|
| 1082 | XFORM xform;
|
---|
| 1083 |
|
---|
| 1084 | if (has_transformation) {
|
---|
| 1085 | xform.eM11 = t.m11();
|
---|
| 1086 | xform.eM12 = t.m12();
|
---|
| 1087 | xform.eM21 = t.m21();
|
---|
| 1088 | xform.eM22 = t.m22();
|
---|
| 1089 | xform.eDx = margin;
|
---|
| 1090 | xform.eDy = margin;
|
---|
| 1091 |
|
---|
| 1092 | QtHDC qthdc;
|
---|
| 1093 | HDC hdc = qthdc.hdc();
|
---|
| 1094 |
|
---|
| 1095 | SetGraphicsMode(hdc, GM_ADVANCED);
|
---|
| 1096 | SetWorldTransform(hdc, &xform);
|
---|
| 1097 | HGDIOBJ old_font = SelectObject(hdc, font);
|
---|
| 1098 |
|
---|
| 1099 | int ggo_options = GGO_METRICS | (ttf ? GGO_GLYPH_INDEX : 0);
|
---|
| 1100 | GLYPHMETRICS tgm;
|
---|
| 1101 | MAT2 mat;
|
---|
| 1102 | memset(&mat, 0, sizeof(mat));
|
---|
| 1103 | mat.eM11.value = mat.eM22.value = 1;
|
---|
| 1104 |
|
---|
[561] | 1105 | if (GetGlyphOutline(hdc, glyph, ggo_options, &tgm, 0, 0, &mat) == GDI_ERROR) {
|
---|
[2] | 1106 | qWarning("QWinFontEngine: unable to query transformed glyph metrics...");
|
---|
| 1107 | return 0;
|
---|
| 1108 | }
|
---|
| 1109 |
|
---|
| 1110 | iw = tgm.gmBlackBoxX;
|
---|
| 1111 | ih = tgm.gmBlackBoxY;
|
---|
| 1112 |
|
---|
| 1113 | xform.eDx -= tgm.gmptGlyphOrigin.x;
|
---|
| 1114 | xform.eDy += tgm.gmptGlyphOrigin.y;
|
---|
| 1115 |
|
---|
| 1116 | SetGraphicsMode(hdc, GM_COMPATIBLE);
|
---|
| 1117 | SelectObject(hdc, old_font);
|
---|
| 1118 | }
|
---|
| 1119 | #else // else winc
|
---|
| 1120 | unsigned int options = 0;
|
---|
| 1121 | #ifdef DEBUG
|
---|
| 1122 | Q_ASSERT(!has_transformation);
|
---|
| 1123 | #else
|
---|
| 1124 | Q_UNUSED(has_transformation);
|
---|
| 1125 | #endif
|
---|
| 1126 | #endif
|
---|
| 1127 |
|
---|
[561] | 1128 | QNativeImage *ni = new QNativeImage(iw + 2 * margin + 4,
|
---|
| 1129 | ih + 2 * margin + 4,
|
---|
| 1130 | QNativeImage::systemFormat(), !qt_cleartype_enabled);
|
---|
| 1131 |
|
---|
| 1132 | /*If cleartype is enabled we use the standard system format even on Windows CE
|
---|
| 1133 | and not the special textbuffer format we have to use if cleartype is disabled*/
|
---|
| 1134 |
|
---|
[2] | 1135 | ni->image.fill(0xffffffff);
|
---|
| 1136 |
|
---|
| 1137 | HDC hdc = ni->hdc;
|
---|
| 1138 |
|
---|
| 1139 | SelectObject(hdc, GetStockObject(NULL_BRUSH));
|
---|
| 1140 | SelectObject(hdc, GetStockObject(BLACK_PEN));
|
---|
| 1141 | SetTextColor(hdc, RGB(0,0,0));
|
---|
| 1142 | SetBkMode(hdc, TRANSPARENT);
|
---|
| 1143 | SetTextAlign(hdc, TA_BASELINE);
|
---|
| 1144 |
|
---|
| 1145 | HGDIOBJ old_font = SelectObject(hdc, font);
|
---|
| 1146 |
|
---|
| 1147 | #ifndef Q_OS_WINCE
|
---|
| 1148 | if (has_transformation) {
|
---|
| 1149 | SetGraphicsMode(hdc, GM_ADVANCED);
|
---|
| 1150 | SetWorldTransform(hdc, &xform);
|
---|
[561] | 1151 | ExtTextOut(hdc, 0, 0, options, 0, (LPCWSTR) &glyph, 1, 0);
|
---|
[2] | 1152 | } else
|
---|
| 1153 | #endif
|
---|
| 1154 | {
|
---|
[561] | 1155 | ExtTextOut(hdc, -gx + margin, -gy + margin, options, 0, (LPCWSTR) &glyph, 1, 0);
|
---|
[2] | 1156 | }
|
---|
[561] | 1157 |
|
---|
[2] | 1158 | SelectObject(hdc, old_font);
|
---|
| 1159 | return ni;
|
---|
| 1160 | }
|
---|
| 1161 |
|
---|
| 1162 |
|
---|
| 1163 | extern uint qt_pow_gamma[256];
|
---|
| 1164 |
|
---|
| 1165 | QImage QFontEngineWin::alphaMapForGlyph(glyph_t glyph, const QTransform &xform)
|
---|
| 1166 | {
|
---|
| 1167 | HFONT font = hfont;
|
---|
| 1168 | if (qt_cleartype_enabled) {
|
---|
| 1169 | LOGFONT lf = logfont;
|
---|
| 1170 | lf.lfQuality = ANTIALIASED_QUALITY;
|
---|
[561] | 1171 | font = CreateFontIndirect(&lf);
|
---|
[2] | 1172 | }
|
---|
[561] | 1173 | QImage::Format mask_format = QNativeImage::systemFormat();
|
---|
| 1174 | #ifndef Q_OS_WINCE
|
---|
| 1175 | mask_format = QImage::Format_RGB32;
|
---|
| 1176 | #endif
|
---|
[2] | 1177 |
|
---|
[561] | 1178 | QNativeImage *mask = drawGDIGlyph(font, glyph, 0, xform, mask_format);
|
---|
[2] | 1179 | if (mask == 0)
|
---|
| 1180 | return QImage();
|
---|
| 1181 |
|
---|
| 1182 | QImage indexed(mask->width(), mask->height(), QImage::Format_Indexed8);
|
---|
| 1183 |
|
---|
| 1184 | // ### This part is kinda pointless, but we'll crash later if we dont because some
|
---|
| 1185 | // code paths expects there to be colortables for index8-bit...
|
---|
| 1186 | QVector<QRgb> colors(256);
|
---|
| 1187 | for (int i=0; i<256; ++i)
|
---|
| 1188 | colors[i] = qRgba(0, 0, 0, i);
|
---|
| 1189 | indexed.setColorTable(colors);
|
---|
| 1190 |
|
---|
| 1191 | // Copy data... Cannot use QPainter here as GDI has messed up the
|
---|
| 1192 | // Alpha channel of the ni.image pixels...
|
---|
| 1193 | for (int y=0; y<mask->height(); ++y) {
|
---|
| 1194 | uchar *dest = indexed.scanLine(y);
|
---|
[561] | 1195 | if (mask->image.format() == QImage::Format_RGB16) {
|
---|
[2] | 1196 | const qint16 *src = (qint16 *) ((const QImage &) mask->image).scanLine(y);
|
---|
[561] | 1197 | for (int x=0; x<mask->width(); ++x)
|
---|
[2] | 1198 | dest[x] = 255 - qGray(src[x]);
|
---|
| 1199 | } else {
|
---|
| 1200 | const uint *src = (uint *) ((const QImage &) mask->image).scanLine(y);
|
---|
| 1201 | for (int x=0; x<mask->width(); ++x) {
|
---|
| 1202 | #ifdef Q_OS_WINCE
|
---|
| 1203 | dest[x] = 255 - qGray(src[x]);
|
---|
| 1204 | #else
|
---|
[561] | 1205 | if (QNativeImage::systemFormat() == QImage::Format_RGB16)
|
---|
| 1206 | dest[x] = 255 - qGray(src[x]);
|
---|
| 1207 | else
|
---|
| 1208 | dest[x] = 255 - (qt_pow_gamma[qGray(src[x])] * 255. / 2047.);
|
---|
[2] | 1209 | #endif
|
---|
| 1210 | }
|
---|
| 1211 | }
|
---|
| 1212 | }
|
---|
| 1213 |
|
---|
| 1214 | // Cleanup...
|
---|
| 1215 | delete mask;
|
---|
| 1216 | if (qt_cleartype_enabled) {
|
---|
| 1217 | DeleteObject(font);
|
---|
| 1218 | }
|
---|
| 1219 |
|
---|
| 1220 | return indexed;
|
---|
| 1221 | }
|
---|
| 1222 |
|
---|
| 1223 | #define SPI_GETFONTSMOOTHINGCONTRAST 0x200C
|
---|
| 1224 | #define SPI_SETFONTSMOOTHINGCONTRAST 0x200D
|
---|
| 1225 |
|
---|
| 1226 | QImage QFontEngineWin::alphaRGBMapForGlyph(glyph_t glyph, int margin, const QTransform &t)
|
---|
| 1227 | {
|
---|
| 1228 | HFONT font = hfont;
|
---|
| 1229 |
|
---|
| 1230 | int contrast;
|
---|
| 1231 | SystemParametersInfo(SPI_GETFONTSMOOTHINGCONTRAST, 0, &contrast, 0);
|
---|
| 1232 | SystemParametersInfo(SPI_SETFONTSMOOTHINGCONTRAST, 0, (void *) 1000, 0);
|
---|
| 1233 |
|
---|
[561] | 1234 | QNativeImage *mask = drawGDIGlyph(font, glyph, margin, t, QImage::Format_RGB32);
|
---|
[2] | 1235 | SystemParametersInfo(SPI_SETFONTSMOOTHINGCONTRAST, 0, (void *) contrast, 0);
|
---|
| 1236 |
|
---|
| 1237 | if (mask == 0)
|
---|
| 1238 | return QImage();
|
---|
| 1239 |
|
---|
| 1240 | // Gracefully handle the odd case when the display is 16-bit
|
---|
| 1241 | const QImage source = mask->image.depth() == 32
|
---|
| 1242 | ? mask->image
|
---|
| 1243 | : mask->image.convertToFormat(QImage::Format_RGB32);
|
---|
| 1244 |
|
---|
| 1245 | QImage rgbMask(mask->width(), mask->height(), QImage::Format_RGB32);
|
---|
| 1246 | for (int y=0; y<mask->height(); ++y) {
|
---|
| 1247 | uint *dest = (uint *) rgbMask.scanLine(y);
|
---|
| 1248 | const uint *src = (uint *) source.scanLine(y);
|
---|
| 1249 | for (int x=0; x<mask->width(); ++x) {
|
---|
| 1250 | dest[x] = 0xffffffff - (0x00ffffff & src[x]);
|
---|
| 1251 | }
|
---|
| 1252 | }
|
---|
| 1253 |
|
---|
| 1254 | delete mask;
|
---|
| 1255 |
|
---|
| 1256 | return rgbMask;
|
---|
| 1257 | }
|
---|
| 1258 |
|
---|
| 1259 | // -------------------------------------- Multi font engine
|
---|
| 1260 |
|
---|
| 1261 | QFontEngineMultiWin::QFontEngineMultiWin(QFontEngineWin *first, const QStringList &fallbacks)
|
---|
| 1262 | : QFontEngineMulti(fallbacks.size()+1),
|
---|
| 1263 | fallbacks(fallbacks)
|
---|
| 1264 | {
|
---|
| 1265 | engines[0] = first;
|
---|
| 1266 | first->ref.ref();
|
---|
| 1267 | fontDef = engines[0]->fontDef;
|
---|
| 1268 | }
|
---|
| 1269 |
|
---|
| 1270 | void QFontEngineMultiWin::loadEngine(int at)
|
---|
| 1271 | {
|
---|
| 1272 | Q_ASSERT(at < engines.size());
|
---|
| 1273 | Q_ASSERT(engines.at(at) == 0);
|
---|
| 1274 |
|
---|
| 1275 | QString fam = fallbacks.at(at-1);
|
---|
| 1276 |
|
---|
| 1277 | LOGFONT lf = static_cast<QFontEngineWin *>(engines.at(0))->logfont;
|
---|
[561] | 1278 | memcpy(lf.lfFaceName, fam.utf16(), sizeof(wchar_t) * qMin(fam.length() + 1, 32)); // 32 = Windows hard-coded
|
---|
| 1279 | HFONT hfont = CreateFontIndirect(&lf);
|
---|
| 1280 |
|
---|
[2] | 1281 | bool stockFont = false;
|
---|
| 1282 | if (hfont == 0) {
|
---|
| 1283 | hfont = (HFONT)GetStockObject(ANSI_VAR_FONT);
|
---|
| 1284 | stockFont = true;
|
---|
| 1285 | }
|
---|
| 1286 | engines[at] = new QFontEngineWin(fam, hfont, stockFont, lf);
|
---|
| 1287 | engines[at]->ref.ref();
|
---|
| 1288 | engines[at]->fontDef = fontDef;
|
---|
| 1289 | }
|
---|
| 1290 |
|
---|
| 1291 | QT_END_NAMESPACE
|
---|