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1 // Copyright 2014 PDFium Authors. All rights reserved. | 1 // Copyright 2014 PDFium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com | 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
6 | 6 |
7 #include "../../../../third_party/base/nonstd_unique_ptr.h" | 7 #include "../../../../third_party/base/nonstd_unique_ptr.h" |
8 #include "../../../include/fxge/fx_ge.h" | 8 #include "../../../include/fxge/fx_ge.h" |
9 #include "../../../include/fxge/fx_freetype.h" | 9 #include "../../../include/fxge/fx_freetype.h" |
10 #include "ttgsubtable.h" | 10 #include "ttgsubtable.h" |
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41 low = mid + 1; | 41 low = mid + 1; |
42 } else if (buf[mid].key > key) { | 42 } else if (buf[mid].key > key) { |
43 high = mid - 1; | 43 high = mid - 1; |
44 } else { | 44 } else { |
45 buf[mid].value = value; | 45 buf[mid].value = value; |
46 return; | 46 return; |
47 } | 47 } |
48 } | 48 } |
49 m_Buffer.InsertBlock(low * sizeof(_IntPair), &pair, sizeof(_IntPair)); | 49 m_Buffer.InsertBlock(low * sizeof(_IntPair), &pair, sizeof(_IntPair)); |
50 } | 50 } |
51 FX_BOOL CFX_GlyphMap::Lookup(int key, int &value) | 51 bool CFX_GlyphMap::Lookup(int key, int &value) |
52 { | 52 { |
53 void* pResult = FXSYS_bsearch(&key, m_Buffer.GetBuffer(), m_Buffer.GetSize()
/ sizeof(_IntPair), | 53 void* pResult = FXSYS_bsearch(&key, m_Buffer.GetBuffer(), m_Buffer.GetSize()
/ sizeof(_IntPair), |
54 sizeof(_IntPair), _CompareInt); | 54 sizeof(_IntPair), _CompareInt); |
55 if (pResult == NULL) { | 55 if (pResult == NULL) { |
56 return FALSE; | 56 return false; |
57 } | 57 } |
58 value = ((FX_DWORD*)pResult)[1]; | 58 value = ((FX_DWORD*)pResult)[1]; |
59 return TRUE; | 59 return true; |
60 } | 60 } |
61 bool CFX_CTTGSUBTable::LoadGSUBTable(FT_Bytes gsub) | 61 bool CFX_CTTGSUBTable::LoadGSUBTable(FT_Bytes gsub) |
62 { | 62 { |
63 header.Version = gsub[0] << 24 | gsub[1] << 16 | gsub[2] << 8 | gsub[3]; | 63 header.Version = gsub[0] << 24 | gsub[1] << 16 | gsub[2] << 8 | gsub[3]; |
64 if(header.Version != 0x00010000) { | 64 if(header.Version != 0x00010000) { |
65 return false; | 65 return false; |
66 } | 66 } |
67 header.ScriptList = gsub[4] << 8 | gsub[5]; | 67 header.ScriptList = gsub[4] << 8 | gsub[5]; |
68 header.FeatureList = gsub[6] << 8 | gsub[7]; | 68 header.FeatureList = gsub[6] << 8 | gsub[7]; |
69 header.LookupList = gsub[8] << 8 | gsub[9]; | 69 header.LookupList = gsub[8] << 8 | gsub[9]; |
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101 if (!m_featureMap.GetStartPosition()) { | 101 if (!m_featureMap.GetStartPosition()) { |
102 for (int i = 0; i < FeatureList.FeatureCount; i ++) { | 102 for (int i = 0; i < FeatureList.FeatureCount; i ++) { |
103 if (FeatureList.FeatureRecord[i].FeatureTag == tag[0] || Feature
List.FeatureRecord[i].FeatureTag == tag[1]) { | 103 if (FeatureList.FeatureRecord[i].FeatureTag == tag[0] || Feature
List.FeatureRecord[i].FeatureTag == tag[1]) { |
104 FX_DWORD value; | 104 FX_DWORD value; |
105 if (!m_featureMap.Lookup(i, value)) { | 105 if (!m_featureMap.Lookup(i, value)) { |
106 m_featureMap.SetAt(i, i); | 106 m_featureMap.SetAt(i, i); |
107 } | 107 } |
108 } | 108 } |
109 } | 109 } |
110 } | 110 } |
111 m_bFeautureMapLoad = TRUE; | 111 m_bFeautureMapLoad = true; |
112 } | 112 } |
113 FX_POSITION pos = m_featureMap.GetStartPosition(); | 113 FX_POSITION pos = m_featureMap.GetStartPosition(); |
114 while (pos) { | 114 while (pos) { |
115 FX_DWORD index, value; | 115 FX_DWORD index, value; |
116 m_featureMap.GetNextAssoc(pos, index, value); | 116 m_featureMap.GetNextAssoc(pos, index, value); |
117 if(GetVerticalGlyphSub(glyphnum, vglyphnum, &FeatureList.FeatureReco
rd[value].Feature)) { | 117 if(GetVerticalGlyphSub(glyphnum, vglyphnum, &FeatureList.FeatureReco
rd[value].Feature)) { |
118 return true; | 118 return true; |
119 } | 119 } |
120 } | 120 } |
121 return false; | 121 return false; |
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413 &rec->Coverage); | 413 &rec->Coverage); |
414 rec->GlyphCount = GetUInt16(sp); | 414 rec->GlyphCount = GetUInt16(sp); |
415 if(rec->GlyphCount <= 0) { | 415 if(rec->GlyphCount <= 0) { |
416 return; | 416 return; |
417 } | 417 } |
418 rec->Substitute = new TT_uint16_t[rec->GlyphCount]; | 418 rec->Substitute = new TT_uint16_t[rec->GlyphCount]; |
419 for(i = 0; i < rec->GlyphCount; i++) { | 419 for(i = 0; i < rec->GlyphCount; i++) { |
420 rec->Substitute[i] = GetUInt16(sp); | 420 rec->Substitute[i] = GetUInt16(sp); |
421 } | 421 } |
422 } | 422 } |
423 FX_BOOL CFX_GSUBTable::GetVerticalGlyph(FX_DWORD glyphnum, FX_DWORD* vglyphnum) | 423 bool CFX_GSUBTable::GetVerticalGlyph(FX_DWORD glyphnum, FX_DWORD* vglyphnum) |
424 { | 424 { |
425 return m_GsubImp.GetVerticalGlyph(glyphnum, vglyphnum); | 425 return m_GsubImp.GetVerticalGlyph(glyphnum, vglyphnum); |
426 } | 426 } |
427 // static | 427 // static |
428 IFX_GSUBTable* IFX_GSUBTable::Create(CFX_Font* pFont) | 428 IFX_GSUBTable* IFX_GSUBTable::Create(CFX_Font* pFont) |
429 { | 429 { |
430 if (!pFont) { | 430 if (!pFont) { |
431 return NULL; | 431 return NULL; |
432 } | 432 } |
433 if (NULL == pFont->m_pGsubData) { | 433 if (NULL == pFont->m_pGsubData) { |
434 unsigned long length = 0; | 434 unsigned long length = 0; |
435 int error = FXFT_Load_Sfnt_Table(pFont->m_Face, FT_MAKE_TAG('G', 'S', 'U
', 'B'), 0, NULL, &length); | 435 int error = FXFT_Load_Sfnt_Table(pFont->m_Face, FT_MAKE_TAG('G', 'S', 'U
', 'B'), 0, NULL, &length); |
436 if (!error) { | 436 if (!error) { |
437 pFont->m_pGsubData = (unsigned char*)FX_Alloc(uint8_t, length); | 437 pFont->m_pGsubData = (unsigned char*)FX_Alloc(uint8_t, length); |
438 } | 438 } |
439 if (!pFont->m_pGsubData) { | 439 if (!pFont->m_pGsubData) { |
440 return NULL; | 440 return NULL; |
441 } | 441 } |
442 } | 442 } |
443 int error = FXFT_Load_Sfnt_Table(pFont->m_Face, FT_MAKE_TAG('G', 'S', 'U', '
B'), 0, pFont->m_pGsubData, NULL); | 443 int error = FXFT_Load_Sfnt_Table(pFont->m_Face, FT_MAKE_TAG('G', 'S', 'U', '
B'), 0, pFont->m_pGsubData, NULL); |
444 if (!error && pFont->m_pGsubData) { | 444 if (!error && pFont->m_pGsubData) { |
445 nonstd::unique_ptr<CFX_GSUBTable> pGsubTable(new CFX_GSUBTable); | 445 nonstd::unique_ptr<CFX_GSUBTable> pGsubTable(new CFX_GSUBTable); |
446 if (pGsubTable->m_GsubImp.LoadGSUBTable((FT_Bytes)pFont->m_pGsubData)) { | 446 if (pGsubTable->m_GsubImp.LoadGSUBTable((FT_Bytes)pFont->m_pGsubData)) { |
447 return pGsubTable.release(); | 447 return pGsubTable.release(); |
448 } | 448 } |
449 } | 449 } |
450 return NULL; | 450 return NULL; |
451 } | 451 } |
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