Line data Source code
1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 : #include "cairotextrender.hxx"
21 :
22 : #include <basegfx/polygon/b2dpolypolygon.hxx>
23 : #include <vcl/settings.hxx>
24 : #include <vcl/sysdata.hxx>
25 : #include <vcl/svapp.hxx>
26 :
27 : #include "generic/printergfx.hxx"
28 : #include "generic/genpspgraphics.h"
29 : #include "generic/geninst.h"
30 : #include "generic/glyphcache.hxx"
31 : #include "PhysicalFontFace.hxx"
32 : #include "impfont.hxx"
33 :
34 : #include <config_graphite.h>
35 : #if ENABLE_GRAPHITE
36 : #include <graphite_layout.hxx>
37 : #include <graphite_serverfont.hxx>
38 : #endif
39 :
40 : #include <cairo.h>
41 : #include <cairo-ft.h>
42 : #include <cairo-xlib.h>
43 : #include <cairo-xlib-xrender.h>
44 :
45 208 : CairoTextRender::CairoTextRender()
46 208 : : mnTextColor(MAKE_SALCOLOR(0x00, 0x00, 0x00)) //black
47 : {
48 3536 : for( int i = 0; i < MAX_FALLBACK; ++i )
49 3328 : mpServerFont[i] = NULL;
50 :
51 : #if ENABLE_GRAPHITE
52 : // check if graphite fonts have been disabled
53 208 : static const char* pDisableGraphiteStr = getenv( "SAL_DISABLE_GRAPHITE" );
54 208 : bDisableGraphite_ = pDisableGraphiteStr && (pDisableGraphiteStr[0]!='0');
55 : #endif
56 208 : }
57 :
58 518 : bool CairoTextRender::setFont( const FontSelectPattern *pEntry, int nFallbackLevel )
59 : {
60 : // release all no longer needed font resources
61 8806 : for( int i = nFallbackLevel; i < MAX_FALLBACK; ++i )
62 : {
63 8288 : if( mpServerFont[i] != NULL )
64 : {
65 : // old server side font is no longer referenced
66 114 : GlyphCache::GetInstance().UncacheFont( *mpServerFont[i] );
67 114 : mpServerFont[i] = NULL;
68 : }
69 : }
70 :
71 : // return early if there is no new font
72 518 : if( !pEntry )
73 399 : return false;
74 :
75 : // return early if this is not a valid font for this graphics
76 119 : if( !pEntry->mpFontData )
77 0 : return false;
78 :
79 : // handle the request for a non-native X11-font => use the GlyphCache
80 119 : ServerFont* pServerFont = GlyphCache::GetInstance().CacheFont( *pEntry );
81 119 : if( pServerFont != NULL )
82 : {
83 : // ignore fonts with e.g. corrupted font files
84 119 : if( !pServerFont->TestFont() )
85 : {
86 0 : GlyphCache::GetInstance().UncacheFont( *pServerFont );
87 0 : return false;
88 : }
89 :
90 : // register to use the font
91 119 : mpServerFont[ nFallbackLevel ] = pServerFont;
92 :
93 : // apply font specific-hint settings
94 119 : ImplServerFontEntry* pSFE = static_cast<ImplServerFontEntry*>( pEntry->mpFontEntry );
95 119 : pSFE->HandleFontOptions();
96 :
97 119 : return true;
98 : }
99 :
100 0 : return false;
101 : }
102 :
103 : ImplFontOptions* GetFCFontOptions( const ImplFontAttributes& rFontAttributes, int nSize);
104 :
105 119 : void ImplServerFontEntry::HandleFontOptions()
106 : {
107 119 : if( !mpServerFont )
108 136 : return;
109 102 : if( !mbGotFontOptions )
110 : {
111 : // get and cache the font options
112 37 : mbGotFontOptions = true;
113 : mxFontOptions.reset(GetFCFontOptions( *maFontSelData.mpFontData,
114 37 : maFontSelData.mnHeight ));
115 : }
116 : // apply the font options
117 102 : mpServerFont->SetFontOptions(mxFontOptions);
118 : }
119 :
120 267 : CairoFontsCache::LRUFonts CairoFontsCache::maLRUFonts;
121 : int CairoFontsCache::mnRefCount = 0;
122 :
123 208 : CairoFontsCache::CairoFontsCache()
124 : {
125 208 : ++mnRefCount;
126 208 : }
127 :
128 196 : CairoFontsCache::~CairoFontsCache()
129 : {
130 196 : --mnRefCount;
131 196 : if (!mnRefCount && !maLRUFonts.empty())
132 : {
133 0 : LRUFonts::iterator aEnd = maLRUFonts.end();
134 0 : for (LRUFonts::iterator aI = maLRUFonts.begin(); aI != aEnd; ++aI)
135 0 : cairo_font_face_destroy(static_cast<cairo_font_face_t*>(aI->first));
136 : }
137 196 : }
138 :
139 1 : void CairoFontsCache::CacheFont(void *pFont, const CairoFontsCache::CacheId &rId)
140 : {
141 1 : maLRUFonts.push_front( std::pair<void*, CairoFontsCache::CacheId>(pFont, rId) );
142 1 : if (maLRUFonts.size() > 8)
143 : {
144 0 : cairo_font_face_destroy(static_cast<cairo_font_face_t*>(maLRUFonts.back().first));
145 0 : maLRUFonts.pop_back();
146 : }
147 1 : }
148 :
149 3 : void* CairoFontsCache::FindCachedFont(const CairoFontsCache::CacheId &rId)
150 : {
151 3 : LRUFonts::iterator aEnd = maLRUFonts.end();
152 3 : for (LRUFonts::iterator aI = maLRUFonts.begin(); aI != aEnd; ++aI)
153 2 : if (aI->second == rId)
154 2 : return aI->first;
155 1 : return NULL;
156 : }
157 :
158 : namespace
159 : {
160 54 : bool hasRotation(int nRotation)
161 : {
162 54 : return nRotation != 0;
163 : }
164 :
165 0 : double toRadian(int nDegree10th)
166 : {
167 0 : return (3600 - (nDegree10th)) * M_PI / 1800.0;
168 : }
169 : }
170 :
171 3 : void CairoTextRender::DrawServerFontLayout( const ServerFontLayout& rLayout )
172 : {
173 3 : std::vector<cairo_glyph_t> cairo_glyphs;
174 6 : std::vector<int> glyph_extrarotation;
175 3 : cairo_glyphs.reserve( 256 );
176 :
177 3 : Point aPos;
178 : sal_GlyphId aGlyphId;
179 63 : for( int nStart = 0; rLayout.GetNextGlyphs( 1, &aGlyphId, aPos, nStart ); )
180 : {
181 : cairo_glyph_t aGlyph;
182 57 : aGlyph.index = aGlyphId & GF_IDXMASK;
183 57 : aGlyph.x = aPos.X();
184 57 : aGlyph.y = aPos.Y();
185 57 : cairo_glyphs.push_back(aGlyph);
186 :
187 57 : switch (aGlyphId & GF_ROTMASK)
188 : {
189 : case GF_ROTL: // left
190 0 : glyph_extrarotation.push_back(1);
191 0 : break;
192 : case GF_ROTR: // right
193 0 : glyph_extrarotation.push_back(-1);
194 0 : break;
195 : default:
196 57 : glyph_extrarotation.push_back(0);
197 57 : break;
198 : }
199 : }
200 :
201 3 : if (cairo_glyphs.empty())
202 0 : return;
203 :
204 : /*
205 : * It might be ideal to cache surface and cairo context between calls and
206 : * only destroy it when the drawable changes, but to do that we need to at
207 : * least change the SalFrame etc impls to dtor the SalGraphics *before* the
208 : * destruction of the windows they reference
209 : */
210 3 : cairo_t *cr = getCairoContext();
211 3 : if (!cr)
212 : {
213 : SAL_WARN("vcl", "no cairo context for text");
214 0 : return;
215 : }
216 :
217 3 : if (const void *pOptions = Application::GetSettings().GetStyleSettings().GetCairoFontOptions())
218 3 : cairo_set_font_options(cr, static_cast<const cairo_font_options_t*>(pOptions));
219 :
220 : double nDX, nDY;
221 3 : getSurfaceOffset(nDX, nDY);
222 3 : cairo_translate(cr, nDX, nDY);
223 :
224 3 : clipRegion(cr);
225 :
226 : cairo_set_source_rgb(cr,
227 3 : SALCOLOR_RED(mnTextColor)/255.0,
228 3 : SALCOLOR_GREEN(mnTextColor)/255.0,
229 9 : SALCOLOR_BLUE(mnTextColor)/255.0);
230 :
231 3 : ServerFont& rFont = rLayout.GetServerFont();
232 :
233 3 : FT_Face aFace = rFont.GetFtFace();
234 : CairoFontsCache::CacheId aId;
235 3 : aId.maFace = aFace;
236 3 : aId.mpOptions = rFont.GetFontOptions().get();
237 3 : aId.mbEmbolden = rFont.NeedsArtificialBold();
238 :
239 : cairo_matrix_t m;
240 3 : const FontSelectPattern& rFSD = rFont.GetFontSelData();
241 3 : int nHeight = rFSD.mnHeight;
242 3 : int nWidth = rFSD.mnWidth ? rFSD.mnWidth : nHeight;
243 :
244 3 : std::vector<int>::const_iterator aEnd = glyph_extrarotation.end();
245 3 : std::vector<int>::const_iterator aStart = glyph_extrarotation.begin();
246 3 : std::vector<int>::const_iterator aI = aStart;
247 9 : while (aI != aEnd)
248 : {
249 3 : int nGlyphRotation = *aI;
250 :
251 3 : std::vector<int>::const_iterator aNext = std::find_if(aI+1, aEnd, hasRotation);
252 :
253 3 : size_t nStartIndex = std::distance(aStart, aI);
254 3 : size_t nLen = std::distance(aI, aNext);
255 :
256 3 : aId.mbVerticalMetrics = nGlyphRotation != 0.0;
257 3 : cairo_font_face_t* font_face = static_cast<cairo_font_face_t*>(CairoFontsCache::FindCachedFont(aId));
258 3 : if (!font_face)
259 : {
260 1 : const ImplFontOptions *pOptions = rFont.GetFontOptions().get();
261 1 : void *pPattern = pOptions ? pOptions->GetPattern(aFace, aId.mbEmbolden, aId.mbVerticalMetrics) : NULL;
262 1 : if (pPattern)
263 1 : font_face = cairo_ft_font_face_create_for_pattern(static_cast<FcPattern*>(pPattern));
264 1 : if (!font_face)
265 0 : font_face = cairo_ft_font_face_create_for_ft_face(reinterpret_cast<FT_Face>(aFace), rFont.GetLoadFlags());
266 1 : CairoFontsCache::CacheFont(font_face, aId);
267 : }
268 3 : cairo_set_font_face(cr, font_face);
269 :
270 3 : cairo_set_font_size(cr, nHeight);
271 :
272 3 : cairo_matrix_init_identity(&m);
273 :
274 3 : if (rLayout.GetOrientation())
275 0 : cairo_matrix_rotate(&m, toRadian(rLayout.GetOrientation()));
276 :
277 3 : cairo_matrix_scale(&m, nWidth, nHeight);
278 :
279 3 : if (nGlyphRotation)
280 : {
281 0 : cairo_matrix_rotate(&m, toRadian(nGlyphRotation*900));
282 :
283 : cairo_matrix_t em_square;
284 0 : cairo_matrix_init_identity(&em_square);
285 0 : cairo_get_matrix(cr, &em_square);
286 :
287 : cairo_matrix_scale(&em_square, aFace->units_per_EM,
288 0 : aFace->units_per_EM);
289 0 : cairo_set_matrix(cr, &em_square);
290 :
291 : cairo_font_extents_t font_extents;
292 0 : cairo_font_extents(cr, &font_extents);
293 :
294 0 : cairo_matrix_init_identity(&em_square);
295 0 : cairo_set_matrix(cr, &em_square);
296 :
297 : //gives the same positions as pre-cairo conversion, but I don't
298 : //like them
299 0 : double xdiff = 0.0;
300 0 : double ydiff = 0.0;
301 0 : if (nGlyphRotation == 1)
302 : {
303 0 : ydiff = font_extents.ascent/nHeight;
304 0 : xdiff = -font_extents.descent/nHeight;
305 : }
306 0 : else if (nGlyphRotation == -1)
307 : {
308 : cairo_text_extents_t text_extents;
309 0 : cairo_glyph_extents(cr, &cairo_glyphs[nStartIndex], nLen,
310 0 : &text_extents);
311 :
312 0 : xdiff = -text_extents.x_advance/nHeight;
313 : //to restore an apparent bug in the original X11 impl, replace
314 : //nHeight with nWidth below
315 0 : xdiff += font_extents.descent/nHeight;
316 : }
317 0 : cairo_matrix_translate(&m, xdiff, ydiff);
318 : }
319 :
320 3 : if (rFont.NeedsArtificialItalic())
321 : {
322 : cairo_matrix_t shear;
323 0 : cairo_matrix_init_identity(&shear);
324 0 : shear.xy = -shear.xx * 0x6000L / 0x10000L;
325 0 : cairo_matrix_multiply(&m, &shear, &m);
326 : }
327 :
328 3 : cairo_set_font_matrix(cr, &m);
329 3 : cairo_show_glyphs(cr, &cairo_glyphs[nStartIndex], nLen);
330 :
331 : #if OSL_DEBUG_LEVEL > 2
332 : //draw origin
333 : cairo_save (cr);
334 : cairo_rectangle (cr, cairo_glyphs[nStartIndex].x, cairo_glyphs[nStartIndex].y, 5, 5);
335 : cairo_set_source_rgba (cr, 1, 0, 0, 0.80);
336 : cairo_fill (cr);
337 : cairo_restore (cr);
338 : #endif
339 :
340 3 : aI = aNext;
341 : }
342 :
343 3 : cairo_surface_flush(cairo_get_target(cr));
344 3 : drawSurface(cr);
345 6 : cairo_destroy(cr);
346 : }
347 :
348 0 : const FontCharMapPtr CairoTextRender::GetFontCharMap() const
349 : {
350 0 : if( !mpServerFont[0] )
351 0 : return NULL;
352 :
353 0 : const FontCharMapPtr pFCMap = mpServerFont[0]->GetFontCharMap();
354 0 : return pFCMap;
355 : }
356 :
357 0 : bool CairoTextRender::GetFontCapabilities(vcl::FontCapabilities &rGetImplFontCapabilities) const
358 : {
359 0 : if (!mpServerFont[0])
360 0 : return false;
361 0 : return mpServerFont[0]->GetFontCapabilities(rGetImplFontCapabilities);
362 : }
363 :
364 : // SalGraphics
365 :
366 518 : sal_uInt16 CairoTextRender::SetFont( FontSelectPattern *pEntry, int nFallbackLevel )
367 : {
368 518 : sal_uInt16 nRetVal = 0;
369 518 : if (!setFont(pEntry, nFallbackLevel))
370 399 : nRetVal |= SAL_SETFONT_BADFONT;
371 518 : if (mpServerFont[nFallbackLevel])
372 119 : nRetVal |= SAL_SETFONT_USEDRAWTEXTARRAY;
373 518 : return nRetVal;
374 : }
375 :
376 : void
377 3 : CairoTextRender::SetTextColor( SalColor nSalColor )
378 : {
379 3 : if( mnTextColor != nSalColor )
380 : {
381 0 : mnTextColor = nSalColor;
382 : }
383 3 : }
384 :
385 0 : bool CairoTextRender::AddTempDevFont( PhysicalFontCollection* pFontCollection,
386 : const OUString& rFileURL,
387 : const OUString& rFontName )
388 : {
389 : // inform PSP font manager
390 0 : OUString aUSystemPath;
391 0 : OSL_VERIFY( !osl::FileBase::getSystemPathFromFileURL( rFileURL, aUSystemPath ) );
392 0 : rtl_TextEncoding aEncoding = osl_getThreadTextEncoding();
393 0 : OString aOFileName( OUStringToOString( aUSystemPath, aEncoding ) );
394 0 : psp::PrintFontManager& rMgr = psp::PrintFontManager::get();
395 0 : std::vector<psp::fontID> aFontIds = rMgr.addFontFile( aOFileName );
396 0 : if( aFontIds.empty() )
397 0 : return false;
398 :
399 0 : GlyphCache& rGC = getPlatformGlyphCache();
400 :
401 0 : for (std::vector<psp::fontID>::iterator aI = aFontIds.begin(), aEnd = aFontIds.end(); aI != aEnd; ++aI)
402 : {
403 : // prepare font data
404 0 : psp::FastPrintFontInfo aInfo;
405 0 : rMgr.getFontFastInfo( *aI, aInfo );
406 0 : aInfo.m_aFamilyName = rFontName;
407 :
408 : // inform glyph cache of new font
409 0 : ImplDevFontAttributes aDFA = GenPspGraphics::Info2DevFontAttributes( aInfo );
410 0 : aDFA.mnQuality += 5800;
411 :
412 0 : int nFaceNum = rMgr.getFontFaceNumber( aInfo.m_nID );
413 :
414 0 : const OString& rFileName = rMgr.getFontFileSysPath( aInfo.m_nID );
415 0 : rGC.AddFontFile( rFileName, nFaceNum, aInfo.m_nID, aDFA );
416 0 : }
417 :
418 : // announce new font to device's font list
419 0 : rGC.AnnounceFonts( pFontCollection );
420 0 : return true;
421 : }
422 :
423 0 : void CairoTextRender::ClearDevFontCache()
424 : {
425 0 : GlyphCache& rGC = getPlatformGlyphCache();
426 0 : rGC.ClearFontCache();
427 0 : }
428 :
429 3 : void CairoTextRender::GetDevFontList( PhysicalFontCollection* pFontCollection )
430 : {
431 : // prepare the GlyphCache using psprint's font infos
432 3 : GlyphCache& rGC = getPlatformGlyphCache();
433 :
434 3 : psp::PrintFontManager& rMgr = psp::PrintFontManager::get();
435 3 : ::std::list< psp::fontID > aList;
436 3 : ::std::list< psp::fontID >::iterator it;
437 6 : psp::FastPrintFontInfo aInfo;
438 3 : rMgr.getFontList( aList );
439 708 : for( it = aList.begin(); it != aList.end(); ++it )
440 : {
441 705 : if( !rMgr.getFontFastInfo( *it, aInfo ) )
442 0 : continue;
443 :
444 : // normalize face number to the GlyphCache
445 705 : int nFaceNum = rMgr.getFontFaceNumber( aInfo.m_nID );
446 :
447 : // inform GlyphCache about this font provided by the PsPrint subsystem
448 705 : ImplDevFontAttributes aDFA = GenPspGraphics::Info2DevFontAttributes( aInfo );
449 705 : aDFA.mnQuality += 4096;
450 1410 : const OString& rFileName = rMgr.getFontFileSysPath( aInfo.m_nID );
451 705 : rGC.AddFontFile( rFileName, nFaceNum, aInfo.m_nID, aDFA );
452 705 : }
453 :
454 : // announce glyphcache fonts
455 3 : rGC.AnnounceFonts( pFontCollection );
456 :
457 : // register platform specific font substitutions if available
458 3 : SalGenericInstance::RegisterFontSubstitutors( pFontCollection );
459 :
460 6 : ImplGetSVData()->maGDIData.mbNativeFontConfig = true;
461 3 : }
462 :
463 37 : void cairosubcallback(void* pPattern)
464 : {
465 37 : const StyleSettings& rStyleSettings = Application::GetSettings().GetStyleSettings();
466 37 : const void* pFontOptions = rStyleSettings.GetCairoFontOptions();
467 37 : if( !pFontOptions )
468 37 : return;
469 : cairo_ft_font_options_substitute(static_cast<const cairo_font_options_t*>(pFontOptions),
470 37 : static_cast<FcPattern*>(pPattern));
471 : }
472 :
473 37 : ImplFontOptions* GetFCFontOptions( const ImplFontAttributes& rFontAttributes, int nSize)
474 : {
475 37 : psp::FastPrintFontInfo aInfo;
476 :
477 37 : aInfo.m_aFamilyName = rFontAttributes.GetFamilyName();
478 37 : aInfo.m_eItalic = rFontAttributes.GetSlant();
479 37 : aInfo.m_eWeight = rFontAttributes.GetWeight();
480 37 : aInfo.m_eWidth = rFontAttributes.GetWidthType();
481 :
482 37 : return psp::PrintFontManager::getFontOptions(aInfo, nSize, cairosubcallback);
483 : }
484 :
485 : void
486 48 : CairoTextRender::GetFontMetric( ImplFontMetricData *pMetric, int nFallbackLevel )
487 : {
488 48 : if( nFallbackLevel >= MAX_FALLBACK )
489 48 : return;
490 :
491 48 : if( mpServerFont[nFallbackLevel] != NULL )
492 : {
493 : long rDummyFactor;
494 48 : mpServerFont[nFallbackLevel]->FetchFontMetric( *pMetric, rDummyFactor );
495 : }
496 : }
497 :
498 256 : bool CairoTextRender::GetGlyphBoundRect( sal_GlyphId aGlyphId, Rectangle& rRect )
499 : {
500 256 : const int nLevel = aGlyphId >> GF_FONTSHIFT;
501 256 : if( nLevel >= MAX_FALLBACK )
502 0 : return false;
503 :
504 256 : ServerFont* pSF = mpServerFont[ nLevel ];
505 256 : if( !pSF )
506 0 : return false;
507 :
508 256 : aGlyphId &= GF_IDXMASK;
509 256 : const GlyphMetric& rGM = pSF->GetGlyphMetric(aGlyphId);
510 256 : Rectangle aRect( rGM.GetOffset(), rGM.GetSize() );
511 :
512 256 : if ( pSF->mnCos != 0x10000 && pSF->mnSin != 0 )
513 : {
514 0 : double nCos = pSF->mnCos / 65536.0;
515 0 : double nSin = pSF->mnSin / 65536.0;
516 0 : rRect.Left() = nCos*aRect.Left() + nSin*aRect.Top();
517 0 : rRect.Top() = -nSin*aRect.Left() - nCos*aRect.Top();
518 :
519 0 : rRect.Right() = nCos*aRect.Right() + nSin*aRect.Bottom();
520 0 : rRect.Bottom() = -nSin*aRect.Right() - nCos*aRect.Bottom();
521 : }
522 : else
523 256 : rRect = aRect;
524 :
525 256 : return true;
526 : }
527 :
528 0 : bool CairoTextRender::GetGlyphOutline( sal_GlyphId aGlyphId,
529 : ::basegfx::B2DPolyPolygon& rPolyPoly )
530 : {
531 0 : const int nLevel = aGlyphId >> GF_FONTSHIFT;
532 0 : if( nLevel >= MAX_FALLBACK )
533 0 : return false;
534 :
535 0 : ServerFont* pSF = mpServerFont[ nLevel ];
536 0 : if( !pSF )
537 0 : return false;
538 :
539 0 : aGlyphId &= GF_IDXMASK;
540 0 : if( pSF->GetGlyphOutline( aGlyphId, rPolyPoly ) )
541 0 : return true;
542 :
543 0 : return false;
544 : }
545 :
546 313 : SalLayout* CairoTextRender::GetTextLayout( ImplLayoutArgs& rArgs, int nFallbackLevel )
547 : {
548 313 : SalLayout* pLayout = NULL;
549 :
550 940 : if( mpServerFont[ nFallbackLevel ]
551 1251 : && !(rArgs.mnFlags & SalLayoutFlags::DisableGlyphProcessing) )
552 : {
553 : #if ENABLE_GRAPHITE
554 : // Is this a Graphite font?
555 624 : if (!bDisableGraphite_ &&
556 312 : GraphiteServerFontLayout::IsGraphiteEnabledFont(*mpServerFont[nFallbackLevel]))
557 : {
558 0 : pLayout = new GraphiteServerFontLayout(*mpServerFont[nFallbackLevel]);
559 : }
560 : else
561 : #endif
562 312 : pLayout = new ServerFontLayout( *mpServerFont[ nFallbackLevel ] );
563 : }
564 :
565 313 : return pLayout;
566 : }
567 :
568 0 : SystemFontData CairoTextRender::GetSysFontData( int nFallbackLevel ) const
569 : {
570 0 : SystemFontData aSysFontData;
571 :
572 0 : if (nFallbackLevel >= MAX_FALLBACK) nFallbackLevel = MAX_FALLBACK - 1;
573 0 : if (nFallbackLevel < 0 ) nFallbackLevel = 0;
574 :
575 0 : if (mpServerFont[nFallbackLevel] != NULL)
576 : {
577 0 : ServerFont* rFont = mpServerFont[nFallbackLevel];
578 0 : aSysFontData.nFontId = rFont->GetFtFace();
579 0 : aSysFontData.nFontFlags = rFont->GetLoadFlags();
580 0 : aSysFontData.bFakeBold = rFont->NeedsArtificialBold();
581 0 : aSysFontData.bFakeItalic = rFont->NeedsArtificialItalic();
582 0 : aSysFontData.bAntialias = rFont->GetAntialiasAdvice();
583 0 : aSysFontData.bVerticalCharacterType = rFont->GetFontSelData().mbVertical;
584 : }
585 :
586 0 : return aSysFontData;
587 : }
588 :
589 0 : bool CairoTextRender::CreateFontSubset(
590 : const OUString& rToFile,
591 : const PhysicalFontFace* pFont,
592 : const sal_GlyphId* pGlyphIds,
593 : const sal_uInt8* pEncoding,
594 : sal_Int32* pWidths,
595 : int nGlyphCount,
596 : FontSubsetInfo& rInfo
597 : )
598 : {
599 : // in this context the pFont->GetFontId() is a valid PSP
600 : // font since they are the only ones left after the PDF
601 : // export has filtered its list of subsettable fonts (for
602 : // which this method was created). The correct way would
603 : // be to have the GlyphCache search for the PhysicalFontFace pFont
604 0 : psp::fontID aFont = pFont->GetFontId();
605 :
606 0 : psp::PrintFontManager& rMgr = psp::PrintFontManager::get();
607 : bool bSuccess = rMgr.createFontSubset( rInfo,
608 : aFont,
609 : rToFile,
610 : pGlyphIds,
611 : pEncoding,
612 : pWidths,
613 0 : nGlyphCount );
614 0 : return bSuccess;
615 : }
616 :
617 0 : const void* CairoTextRender::GetEmbedFontData( const PhysicalFontFace* pFont, const sal_Ucs* pUnicodes, sal_Int32* pWidths, size_t nLen, FontSubsetInfo& rInfo, long* pDataLen )
618 : {
619 : // in this context the pFont->GetFontId() is a valid PSP
620 : // font since they are the only ones left after the PDF
621 : // export has filtered its list of subsettable fonts (for
622 : // which this method was created). The correct way would
623 : // be to have the GlyphCache search for the PhysicalFontFace pFont
624 0 : psp::fontID aFont = pFont->GetFontId();
625 0 : return GenPspGraphics::DoGetEmbedFontData( aFont, pUnicodes, pWidths, nLen, rInfo, pDataLen );
626 : }
627 :
628 0 : void CairoTextRender::FreeEmbedFontData( const void* pData, long nLen )
629 : {
630 0 : GenPspGraphics::DoFreeEmbedFontData( pData, nLen );
631 0 : }
632 :
633 0 : const Ucs2SIntMap* CairoTextRender::GetFontEncodingVector( const PhysicalFontFace* pFont, const Ucs2OStrMap** pNonEncoded, std::set<sal_Unicode> const** ppPriority)
634 : {
635 : // in this context the pFont->GetFontId() is a valid PSP
636 : // font since they are the only ones left after the PDF
637 : // export has filtered its list of subsettable fonts (for
638 : // which this method was created). The correct way would
639 : // be to have the GlyphCache search for the PhysicalFontFace pFont
640 0 : psp::fontID aFont = pFont->GetFontId();
641 0 : return GenPspGraphics::DoGetFontEncodingVector(aFont, pNonEncoded, ppPriority);
642 : }
643 :
644 0 : void CairoTextRender::GetGlyphWidths( const PhysicalFontFace* pFont,
645 : bool bVertical,
646 : Int32Vector& rWidths,
647 : Ucs2UIntMap& rUnicodeEnc )
648 : {
649 : // in this context the pFont->GetFontId() is a valid PSP
650 : // font since they are the only ones left after the PDF
651 : // export has filtered its list of subsettable fonts (for
652 : // which this method was created). The correct way would
653 : // be to have the GlyphCache search for the PhysicalFontFace pFont
654 0 : psp::fontID aFont = pFont->GetFontId();
655 0 : GenPspGraphics::DoGetGlyphWidths( aFont, bVertical, rWidths, rUnicodeEnc );
656 801 : }
657 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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