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1 /* | 1 /* |
2 * Copyright 2013 Google Inc. | 2 * Copyright 2013 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 #include "SkFontMgr.h" | 8 #include "SkFontMgr.h" |
9 #include "SkFontStyle.h" | 9 #include "SkFontStyle.h" |
10 #include "SkFontConfigInterface.h" | 10 #include "SkFontConfigInterface.h" |
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43 gFCMutex.release(); | 43 gFCMutex.release(); |
44 } | 44 } |
45 } | 45 } |
46 | 46 |
47 private: | 47 private: |
48 bool fUnlock; | 48 bool fUnlock; |
49 }; | 49 }; |
50 | 50 |
51 } // namespace | 51 } // namespace |
52 | 52 |
53 | |
54 // Defined in SkFontHost_FreeType.cpp | |
55 bool find_name_and_attributes(SkStream* stream, SkString* name, | |
56 SkTypeface::Style* style, bool* isFixedWidth); | |
57 | |
58 // borrow this global from SkFontHost_fontconfig. eventually that file should | 53 // borrow this global from SkFontHost_fontconfig. eventually that file should |
59 // go away, and be replaced with this one. | 54 // go away, and be replaced with this one. |
60 extern SkFontConfigInterface* SkFontHost_fontconfig_ref_global(); | 55 extern SkFontConfigInterface* SkFontHost_fontconfig_ref_global(); |
61 static SkFontConfigInterface* RefFCI() { | 56 static SkFontConfigInterface* RefFCI() { |
62 return SkFontHost_fontconfig_ref_global(); | 57 return SkFontHost_fontconfig_ref_global(); |
63 } | 58 } |
64 | 59 |
65 // look for the last substring after a '/' and return that, or return null. | 60 // look for the last substring after a '/' and return that, or return null. |
66 static const char* find_just_name(const char* str) { | 61 static const char* find_just_name(const char* str) { |
67 const char* last = strrchr(str, '/'); | 62 const char* last = strrchr(str, '/'); |
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300 if (!length) { | 295 if (!length) { |
301 return NULL; | 296 return NULL; |
302 } | 297 } |
303 if (length >= 1024 * 1024 * 1024) { | 298 if (length >= 1024 * 1024 * 1024) { |
304 return NULL; // don't accept too large fonts (>= 1GB) for safety. | 299 return NULL; // don't accept too large fonts (>= 1GB) for safety. |
305 } | 300 } |
306 | 301 |
307 // TODO should the caller give us the style or should we get it from fre
etype? | 302 // TODO should the caller give us the style or should we get it from fre
etype? |
308 SkTypeface::Style style = SkTypeface::kNormal; | 303 SkTypeface::Style style = SkTypeface::kNormal; |
309 bool isFixedWidth = false; | 304 bool isFixedWidth = false; |
310 if (!find_name_and_attributes(stream, NULL, &style, &isFixedWidth)) { | 305 if (!SkTypeface_FreeType::ScanFont(stream, 0, NULL, &style, &isFixedWidt
h)) { |
311 return NULL; | 306 return NULL; |
312 } | 307 } |
313 | 308 |
314 SkTypeface* face = FontConfigTypeface::Create(style, isFixedWidth, strea
m); | 309 SkTypeface* face = FontConfigTypeface::Create(style, isFixedWidth, strea
m); |
315 return face; | 310 return face; |
316 } | 311 } |
317 | 312 |
318 virtual SkTypeface* onCreateFromFile(const char path[], int ttcIndex) const
SK_OVERRIDE { | 313 virtual SkTypeface* onCreateFromFile(const char path[], int ttcIndex) const
SK_OVERRIDE { |
319 SkAutoTUnref<SkStream> stream(SkStream::NewFromFile(path)); | 314 SkAutoTUnref<SkStream> stream(SkStream::NewFromFile(path)); |
320 return stream.get() ? this->createFromStream(stream, ttcIndex) : NULL; | 315 return stream.get() ? this->createFromStream(stream, ttcIndex) : NULL; |
321 } | 316 } |
322 | 317 |
323 virtual SkTypeface* onLegacyCreateTypeface(const char familyName[], | 318 virtual SkTypeface* onLegacyCreateTypeface(const char familyName[], |
324 unsigned styleBits) const SK_OVER
RIDE { | 319 unsigned styleBits) const SK_OVER
RIDE { |
325 FCLocker lock; | 320 FCLocker lock; |
326 return FontConfigTypeface::LegacyCreateTypeface(NULL, familyName, | 321 return FontConfigTypeface::LegacyCreateTypeface(NULL, familyName, |
327 (SkTypeface::Style)styleBits); | 322 (SkTypeface::Style)styleBits); |
328 } | 323 } |
329 }; | 324 }; |
330 | 325 |
331 SkFontMgr* SkFontMgr::Factory() { | 326 SkFontMgr* SkFontMgr::Factory() { |
332 SkFontConfigInterface* fci = RefFCI(); | 327 SkFontConfigInterface* fci = RefFCI(); |
333 return fci ? SkNEW_ARGS(SkFontMgr_fontconfig, (fci)) : NULL; | 328 return fci ? SkNEW_ARGS(SkFontMgr_fontconfig, (fci)) : NULL; |
334 } | 329 } |
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