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1 /* | 1 /* |
2 * Copyright 2011 The Android Open Source Project | 2 * Copyright 2011 The Android Open Source Project |
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 "SkAdvancedTypefaceMetrics.h" | 8 #include "SkAdvancedTypefaceMetrics.h" |
| 9 #include "SkEndian.h" |
9 #include "SkFontDescriptor.h" | 10 #include "SkFontDescriptor.h" |
10 #include "SkFontHost.h" | 11 #include "SkFontHost.h" |
11 #include "SkLazyPtr.h" | 12 #include "SkLazyPtr.h" |
| 13 #include "SkOTTable_OS_2.h" |
12 #include "SkStream.h" | 14 #include "SkStream.h" |
13 #include "SkTypeface.h" | 15 #include "SkTypeface.h" |
14 | 16 |
15 //#define TRACE_LIFECYCLE | 17 //#define TRACE_LIFECYCLE |
16 | 18 |
17 #ifdef TRACE_LIFECYCLE | 19 #ifdef TRACE_LIFECYCLE |
18 static int32_t gTypefaceCounter; | 20 static int32_t gTypefaceCounter; |
19 #endif | 21 #endif |
20 | 22 |
21 SkTypeface::SkTypeface(Style style, SkFontID fontID, bool isFixedPitch) | 23 SkTypeface::SkTypeface(Style style, SkFontID fontID, bool isFixedPitch) |
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262 bool isLocal = false; | 264 bool isLocal = false; |
263 SkFontDescriptor desc(this->style()); | 265 SkFontDescriptor desc(this->style()); |
264 this->onGetFontDescriptor(&desc, &isLocal); | 266 this->onGetFontDescriptor(&desc, &isLocal); |
265 name->set(desc.getFamilyName()); | 267 name->set(desc.getFamilyName()); |
266 } | 268 } |
267 | 269 |
268 SkAdvancedTypefaceMetrics* SkTypeface::getAdvancedTypefaceMetrics( | 270 SkAdvancedTypefaceMetrics* SkTypeface::getAdvancedTypefaceMetrics( |
269 SkAdvancedTypefaceMetrics::PerGlyphInfo info, | 271 SkAdvancedTypefaceMetrics::PerGlyphInfo info, |
270 const uint32_t* glyphIDs, | 272 const uint32_t* glyphIDs, |
271 uint32_t glyphIDsCount) const { | 273 uint32_t glyphIDsCount) const { |
272 return this->onGetAdvancedTypefaceMetrics(info, glyphIDs, glyphIDsCount); | 274 SkAdvancedTypefaceMetrics* result = |
| 275 this->onGetAdvancedTypefaceMetrics(info, glyphIDs, glyphIDsCount); |
| 276 if (result && result->fType == SkAdvancedTypefaceMetrics::kTrueType_Font) { |
| 277 struct SkOTTableOS2 os2table; |
| 278 if (this->getTableData(SkTEndian_SwapBE32(SkOTTableOS2::TAG), 0, |
| 279 sizeof(os2table), &os2table) > 0) { |
| 280 if (os2table.version.v2.fsType.field.Bitmap || |
| 281 (os2table.version.v2.fsType.field.Restricted && |
| 282 !(os2table.version.v2.fsType.field.PreviewPrint || |
| 283 os2table.version.v2.fsType.field.Editable))) { |
| 284 result->fFlags = SkTBitOr<SkAdvancedTypefaceMetrics::FontFlags>( |
| 285 result->fFlags, |
| 286 SkAdvancedTypefaceMetrics::kNotEmbeddable_FontFlag); |
| 287 } |
| 288 if (os2table.version.v2.fsType.field.NoSubsetting) { |
| 289 result->fFlags = SkTBitOr<SkAdvancedTypefaceMetrics::FontFlags>( |
| 290 result->fFlags, |
| 291 SkAdvancedTypefaceMetrics::kNotSubsettable_FontFlag); |
| 292 } |
| 293 } |
| 294 } |
| 295 return result; |
273 } | 296 } |
274 | 297 |
275 /////////////////////////////////////////////////////////////////////////////// | 298 /////////////////////////////////////////////////////////////////////////////// |
276 | 299 |
277 bool SkTypeface::onGetKerningPairAdjustments(const uint16_t glyphs[], int count, | 300 bool SkTypeface::onGetKerningPairAdjustments(const uint16_t glyphs[], int count, |
278 int32_t adjustments[]) const { | 301 int32_t adjustments[]) const { |
279 return false; | 302 return false; |
280 } | 303 } |
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