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| 1 /* | 1 /* |
| 2 * Copyright (c) 2012 Google Inc. All rights reserved. | 2 * Copyright (c) 2012 Google Inc. All rights reserved. |
| 3 * Copyright (C) 2013 BlackBerry Limited. All rights reserved. | 3 * Copyright (C) 2013 BlackBerry Limited. All rights reserved. |
| 4 * | 4 * |
| 5 * Redistribution and use in source and binary forms, with or without | 5 * Redistribution and use in source and binary forms, with or without |
| 6 * modification, are permitted provided that the following conditions are | 6 * modification, are permitted provided that the following conditions are |
| 7 * met: | 7 * met: |
| 8 * | 8 * |
| 9 * * Redistributions of source code must retain the above copyright | 9 * * Redistributions of source code must retain the above copyright |
| 10 * notice, this list of conditions and the following disclaimer. | 10 * notice, this list of conditions and the following disclaimer. |
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| 24 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | 24 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 25 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | 25 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 29 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 29 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 30 */ | 30 */ |
| 31 | 31 |
| 32 #include "platform/fonts/shaping/HarfBuzzShaper.h" | 32 #include "platform/fonts/shaping/HarfBuzzShaper.h" |
| 33 | 33 |
| 34 #include <hb.h> |
| 35 #include <unicode/uchar.h> |
| 36 #include <unicode/uscript.h> |
| 37 #include <algorithm> |
| 38 #include <memory> |
| 34 #include "platform/fonts/Font.h" | 39 #include "platform/fonts/Font.h" |
| 35 #include "platform/fonts/FontDescription.h" | 40 #include "platform/fonts/FontDescription.h" |
| 36 #include "platform/fonts/FontFallbackIterator.h" | 41 #include "platform/fonts/FontFallbackIterator.h" |
| 37 #include "platform/fonts/GlyphBuffer.h" | 42 #include "platform/fonts/GlyphBuffer.h" |
| 38 #include "platform/fonts/SmallCapsIterator.h" | 43 #include "platform/fonts/SmallCapsIterator.h" |
| 39 #include "platform/fonts/UTF16TextIterator.h" | 44 #include "platform/fonts/UTF16TextIterator.h" |
| 40 #include "platform/fonts/opentype/OpenTypeCapsSupport.h" | 45 #include "platform/fonts/opentype/OpenTypeCapsSupport.h" |
| 41 #include "platform/fonts/shaping/CaseMappingHarfBuzzBufferFiller.h" | 46 #include "platform/fonts/shaping/CaseMappingHarfBuzzBufferFiller.h" |
| 42 #include "platform/fonts/shaping/HarfBuzzFace.h" | 47 #include "platform/fonts/shaping/HarfBuzzFace.h" |
| 43 #include "platform/fonts/shaping/ShapeResultInlineHeaders.h" | 48 #include "platform/fonts/shaping/ShapeResultInlineHeaders.h" |
| 44 #include "platform/text/TextBreakIterator.h" | 49 #include "platform/text/TextBreakIterator.h" |
| 45 #include "wtf/Compiler.h" | 50 #include "wtf/Compiler.h" |
| 46 #include "wtf/MathExtras.h" | 51 #include "wtf/MathExtras.h" |
| 47 #include "wtf/PtrUtil.h" | 52 #include "wtf/PtrUtil.h" |
| 48 #include "wtf/text/Unicode.h" | 53 #include "wtf/text/Unicode.h" |
| 49 #include <algorithm> | |
| 50 #include <hb.h> | |
| 51 #include <memory> | |
| 52 #include <unicode/uchar.h> | |
| 53 #include <unicode/uscript.h> | |
| 54 | 54 |
| 55 namespace blink { | 55 namespace blink { |
| 56 enum HolesQueueItemAction { HolesQueueNextFont, HolesQueueRange }; | 56 enum HolesQueueItemAction { HolesQueueNextFont, HolesQueueRange }; |
| 57 | 57 |
| 58 struct HolesQueueItem { | 58 struct HolesQueueItem { |
| 59 DISALLOW_NEW_EXCEPT_PLACEMENT_NEW(); | 59 DISALLOW_NEW_EXCEPT_PLACEMENT_NEW(); |
| 60 HolesQueueItemAction m_action; | 60 HolesQueueItemAction m_action; |
| 61 unsigned m_startIndex; | 61 unsigned m_startIndex; |
| 62 unsigned m_numCharacters; | 62 unsigned m_numCharacters; |
| 63 HolesQueueItem(HolesQueueItemAction action, unsigned start, unsigned num) | 63 HolesQueueItem(HolesQueueItemAction action, unsigned start, unsigned num) |
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| 701 shapeSegment(&rangeData, segmentRange, result.get()); | 701 shapeSegment(&rangeData, segmentRange, result.get()); |
| 702 } | 702 } |
| 703 return result.release(); | 703 return result.release(); |
| 704 } | 704 } |
| 705 | 705 |
| 706 PassRefPtr<ShapeResult> HarfBuzzShaper::shape(const Font* font, | 706 PassRefPtr<ShapeResult> HarfBuzzShaper::shape(const Font* font, |
| 707 TextDirection direction) const { | 707 TextDirection direction) const { |
| 708 return shape(font, direction, 0, m_textLength); | 708 return shape(font, direction, 0, m_textLength); |
| 709 } | 709 } |
| 710 } // namespace blink | 710 } // namespace blink |
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