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Unified Diff: core/src/fpdfapi/fpdf_font/fpdf_font_cid.cpp

Issue 1800523005: Move core/src/ up to core/. (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@master
Patch Set: Created 4 years, 9 months ago
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Index: core/src/fpdfapi/fpdf_font/fpdf_font_cid.cpp
diff --git a/core/src/fpdfapi/fpdf_font/fpdf_font_cid.cpp b/core/src/fpdfapi/fpdf_font/fpdf_font_cid.cpp
deleted file mode 100644
index b86c2778db7aaae5e85a7783bf4adc4ad9e13faa..0000000000000000000000000000000000000000
--- a/core/src/fpdfapi/fpdf_font/fpdf_font_cid.cpp
+++ /dev/null
@@ -1,1754 +0,0 @@
-// Copyright 2014 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-
-#include "core/src/fpdfapi/fpdf_font/font_int.h"
-
-#include "core/include/fpdfapi/cpdf_array.h"
-#include "core/include/fpdfapi/cpdf_dictionary.h"
-#include "core/include/fpdfapi/cpdf_simple_parser.h"
-#include "core/include/fpdfapi/fpdf_module.h"
-#include "core/include/fpdfapi/fpdf_page.h"
-#include "core/include/fpdfapi/fpdf_resource.h"
-#include "core/include/fxcrt/fx_ext.h"
-#include "core/include/fxge/fx_freetype.h"
-#include "core/include/fxge/fx_ge.h"
-#include "core/src/fpdfapi/fpdf_cmaps/cmap_int.h"
-#include "core/src/fpdfapi/fpdf_font/ttgsubtable.h"
-
-namespace {
-
-const FX_CHAR* const g_CharsetNames[CIDSET_NUM_SETS] =
- {nullptr, "GB1", "CNS1", "Japan1", "Korea1", "UCS"};
-
-const int g_CharsetCPs[CIDSET_NUM_SETS] = {0, 936, 950, 932, 949, 1200};
-
-class CPDF_PredefinedCMap {
- public:
- const FX_CHAR* m_pName;
- CIDSet m_Charset;
- int m_Coding;
- CPDF_CMap::CodingScheme m_CodingScheme;
- FX_DWORD m_LeadingSegCount;
- uint8_t m_LeadingSegs[4];
-};
-
-const CPDF_PredefinedCMap g_PredefinedCMaps[] = {
- {"GB-EUC",
- CIDSET_GB1,
- CIDCODING_GB,
- CPDF_CMap::MixedTwoBytes,
- 1,
- {0xa1, 0xfe}},
- {"GBpc-EUC",
- CIDSET_GB1,
- CIDCODING_GB,
- CPDF_CMap::MixedTwoBytes,
- 1,
- {0xa1, 0xfc}},
- {"GBK-EUC",
- CIDSET_GB1,
- CIDCODING_GB,
- CPDF_CMap::MixedTwoBytes,
- 1,
- {0x81, 0xfe}},
- {"GBKp-EUC",
- CIDSET_GB1,
- CIDCODING_GB,
- CPDF_CMap::MixedTwoBytes,
- 1,
- {0x81, 0xfe}},
- {"GBK2K-EUC",
- CIDSET_GB1,
- CIDCODING_GB,
- CPDF_CMap::MixedTwoBytes,
- 1,
- {0x81, 0xfe}},
- {"GBK2K",
- CIDSET_GB1,
- CIDCODING_GB,
- CPDF_CMap::MixedTwoBytes,
- 1,
- {0x81, 0xfe}},
- {"UniGB-UCS2", CIDSET_GB1, CIDCODING_UCS2, CPDF_CMap::TwoBytes, 0, {}},
- {"UniGB-UTF16", CIDSET_GB1, CIDCODING_UTF16, CPDF_CMap::TwoBytes, 0, {}},
- {"B5pc",
- CIDSET_CNS1,
- CIDCODING_BIG5,
- CPDF_CMap::MixedTwoBytes,
- 1,
- {0xa1, 0xfc}},
- {"HKscs-B5",
- CIDSET_CNS1,
- CIDCODING_BIG5,
- CPDF_CMap::MixedTwoBytes,
- 1,
- {0x88, 0xfe}},
- {"ETen-B5",
- CIDSET_CNS1,
- CIDCODING_BIG5,
- CPDF_CMap::MixedTwoBytes,
- 1,
- {0xa1, 0xfe}},
- {"ETenms-B5",
- CIDSET_CNS1,
- CIDCODING_BIG5,
- CPDF_CMap::MixedTwoBytes,
- 1,
- {0xa1, 0xfe}},
- {"UniCNS-UCS2", CIDSET_CNS1, CIDCODING_UCS2, CPDF_CMap::TwoBytes, 0, {}},
- {"UniCNS-UTF16", CIDSET_CNS1, CIDCODING_UTF16, CPDF_CMap::TwoBytes, 0, {}},
- {"83pv-RKSJ",
- CIDSET_JAPAN1,
- CIDCODING_JIS,
- CPDF_CMap::MixedTwoBytes,
- 2,
- {0x81, 0x9f, 0xe0, 0xfc}},
- {"90ms-RKSJ",
- CIDSET_JAPAN1,
- CIDCODING_JIS,
- CPDF_CMap::MixedTwoBytes,
- 2,
- {0x81, 0x9f, 0xe0, 0xfc}},
- {"90msp-RKSJ",
- CIDSET_JAPAN1,
- CIDCODING_JIS,
- CPDF_CMap::MixedTwoBytes,
- 2,
- {0x81, 0x9f, 0xe0, 0xfc}},
- {"90pv-RKSJ",
- CIDSET_JAPAN1,
- CIDCODING_JIS,
- CPDF_CMap::MixedTwoBytes,
- 2,
- {0x81, 0x9f, 0xe0, 0xfc}},
- {"Add-RKSJ",
- CIDSET_JAPAN1,
- CIDCODING_JIS,
- CPDF_CMap::MixedTwoBytes,
- 2,
- {0x81, 0x9f, 0xe0, 0xfc}},
- {"EUC",
- CIDSET_JAPAN1,
- CIDCODING_JIS,
- CPDF_CMap::MixedTwoBytes,
- 2,
- {0x8e, 0x8e, 0xa1, 0xfe}},
- {"H", CIDSET_JAPAN1, CIDCODING_JIS, CPDF_CMap::TwoBytes, 1, {0x21, 0x7e}},
- {"V", CIDSET_JAPAN1, CIDCODING_JIS, CPDF_CMap::TwoBytes, 1, {0x21, 0x7e}},
- {"Ext-RKSJ",
- CIDSET_JAPAN1,
- CIDCODING_JIS,
- CPDF_CMap::MixedTwoBytes,
- 2,
- {0x81, 0x9f, 0xe0, 0xfc}},
- {"UniJIS-UCS2", CIDSET_JAPAN1, CIDCODING_UCS2, CPDF_CMap::TwoBytes, 0, {}},
- {"UniJIS-UCS2-HW",
- CIDSET_JAPAN1,
- CIDCODING_UCS2,
- CPDF_CMap::TwoBytes,
- 0,
- {}},
- {"UniJIS-UTF16",
- CIDSET_JAPAN1,
- CIDCODING_UTF16,
- CPDF_CMap::TwoBytes,
- 0,
- {}},
- {"KSC-EUC",
- CIDSET_KOREA1,
- CIDCODING_KOREA,
- CPDF_CMap::MixedTwoBytes,
- 1,
- {0xa1, 0xfe}},
- {"KSCms-UHC",
- CIDSET_KOREA1,
- CIDCODING_KOREA,
- CPDF_CMap::MixedTwoBytes,
- 1,
- {0x81, 0xfe}},
- {"KSCms-UHC-HW",
- CIDSET_KOREA1,
- CIDCODING_KOREA,
- CPDF_CMap::MixedTwoBytes,
- 1,
- {0x81, 0xfe}},
- {"KSCpc-EUC",
- CIDSET_KOREA1,
- CIDCODING_KOREA,
- CPDF_CMap::MixedTwoBytes,
- 1,
- {0xa1, 0xfd}},
- {"UniKS-UCS2", CIDSET_KOREA1, CIDCODING_UCS2, CPDF_CMap::TwoBytes, 0, {}},
- {"UniKS-UTF16", CIDSET_KOREA1, CIDCODING_UTF16, CPDF_CMap::TwoBytes, 0, {}},
-};
-
-CIDSet CIDSetFromSizeT(size_t index) {
- if (index >= CIDSET_NUM_SETS) {
- NOTREACHED();
- return CIDSET_UNKNOWN;
- }
- return static_cast<CIDSet>(index);
-}
-
-CIDSet CharsetFromOrdering(const CFX_ByteString& ordering) {
- for (size_t charset = 1; charset < FX_ArraySize(g_CharsetNames); ++charset) {
- if (ordering == CFX_ByteStringC(g_CharsetNames[charset]))
- return CIDSetFromSizeT(charset);
- }
- return CIDSET_UNKNOWN;
-}
-
-CFX_ByteString CMap_GetString(const CFX_ByteStringC& word) {
- return word.Mid(1, word.GetLength() - 2);
-}
-
-int CompareDWORD(const void* data1, const void* data2) {
- return (*(FX_DWORD*)data1) - (*(FX_DWORD*)data2);
-}
-
-int CompareCID(const void* key, const void* element) {
- if ((*(FX_DWORD*)key) < (*(FX_DWORD*)element)) {
- return -1;
- }
- if ((*(FX_DWORD*)key) >
- (*(FX_DWORD*)element) + ((FX_DWORD*)element)[1] / 65536) {
- return 1;
- }
- return 0;
-}
-
-int CheckCodeRange(uint8_t* codes,
- int size,
- CMap_CodeRange* pRanges,
- int nRanges) {
- int iSeg = nRanges - 1;
- while (iSeg >= 0) {
- if (pRanges[iSeg].m_CharSize < size) {
- --iSeg;
- continue;
- }
- int iChar = 0;
- while (iChar < size) {
- if (codes[iChar] < pRanges[iSeg].m_Lower[iChar] ||
- codes[iChar] > pRanges[iSeg].m_Upper[iChar]) {
- break;
- }
- ++iChar;
- }
- if (iChar == pRanges[iSeg].m_CharSize)
- return 2;
-
- if (iChar)
- return (size == pRanges[iSeg].m_CharSize) ? 2 : 1;
- iSeg--;
- }
- return 0;
-}
-
-int GetCharSizeImpl(FX_DWORD charcode,
- CMap_CodeRange* pRanges,
- int iRangesSize) {
- if (!iRangesSize)
- return 1;
-
- uint8_t codes[4];
- codes[0] = codes[1] = 0x00;
- codes[2] = (uint8_t)(charcode >> 8 & 0xFF);
- codes[3] = (uint8_t)charcode;
- int offset = 0;
- int size = 4;
- for (int i = 0; i < 4; ++i) {
- int iSeg = iRangesSize - 1;
- while (iSeg >= 0) {
- if (pRanges[iSeg].m_CharSize < size) {
- --iSeg;
- continue;
- }
- int iChar = 0;
- while (iChar < size) {
- if (codes[offset + iChar] < pRanges[iSeg].m_Lower[iChar] ||
- codes[offset + iChar] > pRanges[iSeg].m_Upper[iChar]) {
- break;
- }
- ++iChar;
- }
- if (iChar == pRanges[iSeg].m_CharSize)
- return size;
- --iSeg;
- }
- --size;
- ++offset;
- }
- return 1;
-}
-
-bool IsValidEmbeddedCharcodeFromUnicodeCharset(CIDSet charset) {
- switch (charset) {
- case CIDSET_GB1:
- case CIDSET_CNS1:
- case CIDSET_JAPAN1:
- case CIDSET_KOREA1:
- return true;
-
- default:
- return false;
- }
-}
-
-#if _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_
-FX_DWORD EmbeddedCharcodeFromUnicode(const FXCMAP_CMap* pEmbedMap,
- CIDSet charset,
- FX_WCHAR unicode) {
- if (!IsValidEmbeddedCharcodeFromUnicodeCharset(charset))
- return 0;
-
- CPDF_FontGlobals* pFontGlobals =
- CPDF_ModuleMgr::Get()->GetPageModule()->GetFontGlobals();
- const FX_WORD* pCodes = pFontGlobals->m_EmbeddedToUnicodes[charset].m_pMap;
- if (!pCodes)
- return 0;
-
- int nCodes = pFontGlobals->m_EmbeddedToUnicodes[charset].m_Count;
- for (int i = 0; i < nCodes; ++i) {
- if (pCodes[i] == unicode) {
- FX_DWORD CharCode = FPDFAPI_CharCodeFromCID(pEmbedMap, i);
- if (CharCode != 0) {
- return CharCode;
- }
- }
- }
- return 0;
-}
-#endif // _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_
-
-FX_WCHAR EmbeddedUnicodeFromCharcode(const FXCMAP_CMap* pEmbedMap,
- CIDSet charset,
- FX_DWORD charcode) {
- if (!IsValidEmbeddedCharcodeFromUnicodeCharset(charset))
- return 0;
-
- FX_WORD cid = FPDFAPI_CIDFromCharCode(pEmbedMap, charcode);
- if (cid == 0)
- return 0;
-
- CPDF_FontGlobals* pFontGlobals =
- CPDF_ModuleMgr::Get()->GetPageModule()->GetFontGlobals();
- const FX_WORD* pCodes = pFontGlobals->m_EmbeddedToUnicodes[charset].m_pMap;
- if (!pCodes)
- return 0;
-
- if (cid < pFontGlobals->m_EmbeddedToUnicodes[charset].m_Count)
- return pCodes[cid];
- return 0;
-}
-
-void FT_UseCIDCharmap(FXFT_Face face, int coding) {
- int encoding;
- switch (coding) {
- case CIDCODING_GB:
- encoding = FXFT_ENCODING_GB2312;
- break;
- case CIDCODING_BIG5:
- encoding = FXFT_ENCODING_BIG5;
- break;
- case CIDCODING_JIS:
- encoding = FXFT_ENCODING_SJIS;
- break;
- case CIDCODING_KOREA:
- encoding = FXFT_ENCODING_JOHAB;
- break;
- default:
- encoding = FXFT_ENCODING_UNICODE;
- }
- int err = FXFT_Select_Charmap(face, encoding);
- if (err) {
- err = FXFT_Select_Charmap(face, FXFT_ENCODING_UNICODE);
- }
- if (err && FXFT_Get_Face_Charmaps(face)) {
- FXFT_Set_Charmap(face, *FXFT_Get_Face_Charmaps(face));
- }
-}
-
-const struct CIDTransform {
- FX_WORD CID;
- uint8_t a, b, c, d, e, f;
-} g_Japan1_VertCIDs[] = {
- {97, 129, 0, 0, 127, 55, 0},
- {7887, 127, 0, 0, 127, 76, 89},
- {7888, 127, 0, 0, 127, 79, 94},
- {7889, 0, 129, 127, 0, 17, 127},
- {7890, 0, 129, 127, 0, 17, 127},
- {7891, 0, 129, 127, 0, 17, 127},
- {7892, 0, 129, 127, 0, 17, 127},
- {7893, 0, 129, 127, 0, 17, 127},
- {7894, 0, 129, 127, 0, 17, 127},
- {7895, 0, 129, 127, 0, 17, 127},
- {7896, 0, 129, 127, 0, 17, 127},
- {7897, 0, 129, 127, 0, 17, 127},
- {7898, 0, 129, 127, 0, 17, 127},
- {7899, 0, 129, 127, 0, 17, 104},
- {7900, 0, 129, 127, 0, 17, 127},
- {7901, 0, 129, 127, 0, 17, 104},
- {7902, 0, 129, 127, 0, 17, 127},
- {7903, 0, 129, 127, 0, 17, 127},
- {7904, 0, 129, 127, 0, 17, 127},
- {7905, 0, 129, 127, 0, 17, 114},
- {7906, 0, 129, 127, 0, 17, 127},
- {7907, 0, 129, 127, 0, 17, 127},
- {7908, 0, 129, 127, 0, 17, 127},
- {7909, 0, 129, 127, 0, 17, 127},
- {7910, 0, 129, 127, 0, 17, 127},
- {7911, 0, 129, 127, 0, 17, 127},
- {7912, 0, 129, 127, 0, 17, 127},
- {7913, 0, 129, 127, 0, 17, 127},
- {7914, 0, 129, 127, 0, 17, 127},
- {7915, 0, 129, 127, 0, 17, 114},
- {7916, 0, 129, 127, 0, 17, 127},
- {7917, 0, 129, 127, 0, 17, 127},
- {7918, 127, 0, 0, 127, 18, 25},
- {7919, 127, 0, 0, 127, 18, 25},
- {7920, 127, 0, 0, 127, 18, 25},
- {7921, 127, 0, 0, 127, 18, 25},
- {7922, 127, 0, 0, 127, 18, 25},
- {7923, 127, 0, 0, 127, 18, 25},
- {7924, 127, 0, 0, 127, 18, 25},
- {7925, 127, 0, 0, 127, 18, 25},
- {7926, 127, 0, 0, 127, 18, 25},
- {7927, 127, 0, 0, 127, 18, 25},
- {7928, 127, 0, 0, 127, 18, 25},
- {7929, 127, 0, 0, 127, 18, 25},
- {7930, 127, 0, 0, 127, 18, 25},
- {7931, 127, 0, 0, 127, 18, 25},
- {7932, 127, 0, 0, 127, 18, 25},
- {7933, 127, 0, 0, 127, 18, 25},
- {7934, 127, 0, 0, 127, 18, 25},
- {7935, 127, 0, 0, 127, 18, 25},
- {7936, 127, 0, 0, 127, 18, 25},
- {7937, 127, 0, 0, 127, 18, 25},
- {7938, 127, 0, 0, 127, 18, 25},
- {7939, 127, 0, 0, 127, 18, 25},
- {8720, 0, 129, 127, 0, 19, 102},
- {8721, 0, 129, 127, 0, 13, 127},
- {8722, 0, 129, 127, 0, 19, 108},
- {8723, 0, 129, 127, 0, 19, 102},
- {8724, 0, 129, 127, 0, 19, 102},
- {8725, 0, 129, 127, 0, 19, 102},
- {8726, 0, 129, 127, 0, 19, 102},
- {8727, 0, 129, 127, 0, 19, 102},
- {8728, 0, 129, 127, 0, 19, 114},
- {8729, 0, 129, 127, 0, 19, 114},
- {8730, 0, 129, 127, 0, 38, 108},
- {8731, 0, 129, 127, 0, 13, 108},
- {8732, 0, 129, 127, 0, 19, 108},
- {8733, 0, 129, 127, 0, 19, 108},
- {8734, 0, 129, 127, 0, 19, 108},
- {8735, 0, 129, 127, 0, 19, 108},
- {8736, 0, 129, 127, 0, 19, 102},
- {8737, 0, 129, 127, 0, 19, 102},
- {8738, 0, 129, 127, 0, 19, 102},
- {8739, 0, 129, 127, 0, 19, 102},
- {8740, 0, 129, 127, 0, 19, 102},
- {8741, 0, 129, 127, 0, 19, 102},
- {8742, 0, 129, 127, 0, 19, 102},
- {8743, 0, 129, 127, 0, 19, 102},
- {8744, 0, 129, 127, 0, 19, 102},
- {8745, 0, 129, 127, 0, 19, 102},
- {8746, 0, 129, 127, 0, 19, 114},
- {8747, 0, 129, 127, 0, 19, 114},
- {8748, 0, 129, 127, 0, 19, 102},
- {8749, 0, 129, 127, 0, 19, 102},
- {8750, 0, 129, 127, 0, 19, 102},
- {8751, 0, 129, 127, 0, 19, 102},
- {8752, 0, 129, 127, 0, 19, 102},
- {8753, 0, 129, 127, 0, 19, 102},
- {8754, 0, 129, 127, 0, 19, 102},
- {8755, 0, 129, 127, 0, 19, 102},
- {8756, 0, 129, 127, 0, 19, 102},
- {8757, 0, 129, 127, 0, 19, 102},
- {8758, 0, 129, 127, 0, 19, 102},
- {8759, 0, 129, 127, 0, 19, 102},
- {8760, 0, 129, 127, 0, 19, 102},
- {8761, 0, 129, 127, 0, 19, 102},
- {8762, 0, 129, 127, 0, 19, 102},
- {8763, 0, 129, 127, 0, 19, 102},
- {8764, 0, 129, 127, 0, 19, 102},
- {8765, 0, 129, 127, 0, 19, 102},
- {8766, 0, 129, 127, 0, 19, 102},
- {8767, 0, 129, 127, 0, 19, 102},
- {8768, 0, 129, 127, 0, 19, 102},
- {8769, 0, 129, 127, 0, 19, 102},
- {8770, 0, 129, 127, 0, 19, 102},
- {8771, 0, 129, 127, 0, 19, 102},
- {8772, 0, 129, 127, 0, 19, 102},
- {8773, 0, 129, 127, 0, 19, 102},
- {8774, 0, 129, 127, 0, 19, 102},
- {8775, 0, 129, 127, 0, 19, 102},
- {8776, 0, 129, 127, 0, 19, 102},
- {8777, 0, 129, 127, 0, 19, 102},
- {8778, 0, 129, 127, 0, 19, 102},
- {8779, 0, 129, 127, 0, 19, 114},
- {8780, 0, 129, 127, 0, 19, 108},
- {8781, 0, 129, 127, 0, 19, 114},
- {8782, 0, 129, 127, 0, 13, 114},
- {8783, 0, 129, 127, 0, 19, 108},
- {8784, 0, 129, 127, 0, 13, 114},
- {8785, 0, 129, 127, 0, 19, 108},
- {8786, 0, 129, 127, 0, 19, 108},
- {8787, 0, 129, 127, 0, 19, 108},
- {8788, 0, 129, 127, 0, 19, 108},
- {8789, 0, 129, 127, 0, 19, 108},
- {8790, 0, 129, 127, 0, 19, 108},
- {8791, 0, 129, 127, 0, 19, 108},
- {8792, 0, 129, 127, 0, 19, 108},
- {8793, 0, 129, 127, 0, 19, 108},
- {8794, 0, 129, 127, 0, 19, 108},
- {8795, 0, 129, 127, 0, 19, 108},
- {8796, 0, 129, 127, 0, 19, 108},
- {8797, 0, 129, 127, 0, 19, 108},
- {8798, 0, 129, 127, 0, 19, 108},
- {8799, 0, 129, 127, 0, 19, 108},
- {8800, 0, 129, 127, 0, 19, 108},
- {8801, 0, 129, 127, 0, 19, 108},
- {8802, 0, 129, 127, 0, 19, 108},
- {8803, 0, 129, 127, 0, 19, 108},
- {8804, 0, 129, 127, 0, 19, 108},
- {8805, 0, 129, 127, 0, 19, 108},
- {8806, 0, 129, 127, 0, 19, 108},
- {8807, 0, 129, 127, 0, 19, 108},
- {8808, 0, 129, 127, 0, 19, 108},
- {8809, 0, 129, 127, 0, 19, 108},
- {8810, 0, 129, 127, 0, 19, 108},
- {8811, 0, 129, 127, 0, 19, 114},
- {8812, 0, 129, 127, 0, 19, 102},
- {8813, 0, 129, 127, 0, 19, 114},
- {8814, 0, 129, 127, 0, 76, 102},
- {8815, 0, 129, 127, 0, 13, 121},
- {8816, 0, 129, 127, 0, 19, 114},
- {8817, 0, 129, 127, 0, 19, 127},
- {8818, 0, 129, 127, 0, 19, 114},
- {8819, 0, 129, 127, 0, 218, 108},
-};
-
-int CompareCIDTransform(const void* key, const void* element) {
- FX_WORD CID = *static_cast<const FX_WORD*>(key);
- return CID - static_cast<const struct CIDTransform*>(element)->CID;
-}
-
-} // namespace
-
-CPDF_CMapManager::CPDF_CMapManager() {
- m_bPrompted = FALSE;
- FXSYS_memset(m_CID2UnicodeMaps, 0, sizeof m_CID2UnicodeMaps);
-}
-CPDF_CMapManager::~CPDF_CMapManager() {
- for (const auto& pair : m_CMaps) {
- delete pair.second;
- }
- m_CMaps.clear();
- for (size_t i = 0; i < FX_ArraySize(m_CID2UnicodeMaps); ++i) {
- delete m_CID2UnicodeMaps[i];
- }
-}
-CPDF_CMap* CPDF_CMapManager::GetPredefinedCMap(const CFX_ByteString& name,
- FX_BOOL bPromptCJK) {
- auto it = m_CMaps.find(name);
- if (it != m_CMaps.end()) {
- return it->second;
- }
- CPDF_CMap* pCMap = LoadPredefinedCMap(name, bPromptCJK);
- if (!name.IsEmpty()) {
- m_CMaps[name] = pCMap;
- }
- return pCMap;
-}
-CPDF_CMap* CPDF_CMapManager::LoadPredefinedCMap(const CFX_ByteString& name,
- FX_BOOL bPromptCJK) {
- CPDF_CMap* pCMap = new CPDF_CMap;
- const FX_CHAR* pname = name;
- if (*pname == '/') {
- pname++;
- }
- pCMap->LoadPredefined(this, pname, bPromptCJK);
- return pCMap;
-}
-
-void CPDF_CMapManager::ReloadAll() {
- for (const auto& pair : m_CMaps) {
- CPDF_CMap* pCMap = pair.second;
- pCMap->LoadPredefined(this, pair.first, FALSE);
- }
- for (size_t i = 0; i < FX_ArraySize(m_CID2UnicodeMaps); ++i) {
- if (CPDF_CID2UnicodeMap* pMap = m_CID2UnicodeMaps[i]) {
- pMap->Load(this, CIDSetFromSizeT(i), FALSE);
- }
- }
-}
-CPDF_CID2UnicodeMap* CPDF_CMapManager::GetCID2UnicodeMap(CIDSet charset,
- FX_BOOL bPromptCJK) {
- if (!m_CID2UnicodeMaps[charset])
- m_CID2UnicodeMaps[charset] = LoadCID2UnicodeMap(charset, bPromptCJK);
- return m_CID2UnicodeMaps[charset];
-}
-CPDF_CID2UnicodeMap* CPDF_CMapManager::LoadCID2UnicodeMap(CIDSet charset,
- FX_BOOL bPromptCJK) {
- CPDF_CID2UnicodeMap* pMap = new CPDF_CID2UnicodeMap();
- if (!pMap->Initialize()) {
- delete pMap;
- return NULL;
- }
- pMap->Load(this, charset, bPromptCJK);
- return pMap;
-}
-CPDF_CMapParser::CPDF_CMapParser() {
- m_pCMap = NULL;
- m_Status = 0;
- m_CodeSeq = 0;
-}
-FX_BOOL CPDF_CMapParser::Initialize(CPDF_CMap* pCMap) {
- m_pCMap = pCMap;
- m_Status = 0;
- m_CodeSeq = 0;
- m_AddMaps.EstimateSize(0, 10240);
- return TRUE;
-}
-
-void CPDF_CMapParser::ParseWord(const CFX_ByteStringC& word) {
- if (word.IsEmpty()) {
- return;
- }
- if (word == "begincidchar") {
- m_Status = 1;
- m_CodeSeq = 0;
- } else if (word == "begincidrange") {
- m_Status = 2;
- m_CodeSeq = 0;
- } else if (word == "endcidrange" || word == "endcidchar") {
- m_Status = 0;
- } else if (word == "/WMode") {
- m_Status = 6;
- } else if (word == "/Registry") {
- m_Status = 3;
- } else if (word == "/Ordering") {
- m_Status = 4;
- } else if (word == "/Supplement") {
- m_Status = 5;
- } else if (word == "begincodespacerange") {
- m_Status = 7;
- m_CodeSeq = 0;
- } else if (word == "usecmap") {
- } else if (m_Status == 1 || m_Status == 2) {
- m_CodePoints[m_CodeSeq] = CMap_GetCode(word);
- m_CodeSeq++;
- FX_DWORD StartCode, EndCode;
- FX_WORD StartCID;
- if (m_Status == 1) {
- if (m_CodeSeq < 2) {
- return;
- }
- EndCode = StartCode = m_CodePoints[0];
- StartCID = (FX_WORD)m_CodePoints[1];
- } else {
- if (m_CodeSeq < 3) {
- return;
- }
- StartCode = m_CodePoints[0];
- EndCode = m_CodePoints[1];
- StartCID = (FX_WORD)m_CodePoints[2];
- }
- if (EndCode < 0x10000) {
- for (FX_DWORD code = StartCode; code <= EndCode; code++) {
- m_pCMap->m_pMapping[code] = (FX_WORD)(StartCID + code - StartCode);
- }
- } else {
- FX_DWORD buf[2];
- buf[0] = StartCode;
- buf[1] = ((EndCode - StartCode) << 16) + StartCID;
- m_AddMaps.AppendBlock(buf, sizeof buf);
- }
- m_CodeSeq = 0;
- } else if (m_Status == 3) {
- CMap_GetString(word);
- m_Status = 0;
- } else if (m_Status == 4) {
- m_pCMap->m_Charset = CharsetFromOrdering(CMap_GetString(word));
- m_Status = 0;
- } else if (m_Status == 5) {
- CMap_GetCode(word);
- m_Status = 0;
- } else if (m_Status == 6) {
- m_pCMap->m_bVertical = CMap_GetCode(word);
- m_Status = 0;
- } else if (m_Status == 7) {
- if (word == "endcodespacerange") {
- int nSegs = m_CodeRanges.GetSize();
- if (nSegs > 1) {
- m_pCMap->m_CodingScheme = CPDF_CMap::MixedFourBytes;
- m_pCMap->m_nCodeRanges = nSegs;
- m_pCMap->m_pLeadingBytes =
- FX_Alloc2D(uint8_t, nSegs, sizeof(CMap_CodeRange));
- FXSYS_memcpy(m_pCMap->m_pLeadingBytes, m_CodeRanges.GetData(),
- nSegs * sizeof(CMap_CodeRange));
- } else if (nSegs == 1) {
- m_pCMap->m_CodingScheme = (m_CodeRanges[0].m_CharSize == 2)
- ? CPDF_CMap::TwoBytes
- : CPDF_CMap::OneByte;
- }
- m_Status = 0;
- } else {
- if (word.GetLength() == 0 || word.GetAt(0) != '<') {
- return;
- }
- if (m_CodeSeq % 2) {
- CMap_CodeRange range;
- if (CMap_GetCodeRange(range, m_LastWord, word)) {
- m_CodeRanges.Add(range);
- }
- }
- m_CodeSeq++;
- }
- }
- m_LastWord = word;
-}
-
-// Static.
-FX_DWORD CPDF_CMapParser::CMap_GetCode(const CFX_ByteStringC& word) {
- int num = 0;
- if (word.GetAt(0) == '<') {
- for (int i = 1; i < word.GetLength() && std::isxdigit(word.GetAt(i)); ++i)
- num = num * 16 + FXSYS_toHexDigit(word.GetAt(i));
- return num;
- }
-
- for (int i = 0; i < word.GetLength() && std::isdigit(word.GetAt(i)); ++i)
- num = num * 10 + FXSYS_toDecimalDigit(static_cast<FX_WCHAR>(word.GetAt(i)));
- return num;
-}
-
-// Static.
-bool CPDF_CMapParser::CMap_GetCodeRange(CMap_CodeRange& range,
- const CFX_ByteStringC& first,
- const CFX_ByteStringC& second) {
- if (first.GetLength() == 0 || first.GetAt(0) != '<')
- return false;
-
- int i;
- for (i = 1; i < first.GetLength(); ++i) {
- if (first.GetAt(i) == '>') {
- break;
- }
- }
- range.m_CharSize = (i - 1) / 2;
- if (range.m_CharSize > 4)
- return false;
-
- for (i = 0; i < range.m_CharSize; ++i) {
- uint8_t digit1 = first.GetAt(i * 2 + 1);
- uint8_t digit2 = first.GetAt(i * 2 + 2);
- range.m_Lower[i] = FXSYS_toHexDigit(digit1) * 16 + FXSYS_toHexDigit(digit2);
- }
-
- FX_DWORD size = second.GetLength();
- for (i = 0; i < range.m_CharSize; ++i) {
- uint8_t digit1 = ((FX_DWORD)i * 2 + 1 < size)
- ? second.GetAt((FX_STRSIZE)i * 2 + 1)
- : '0';
- uint8_t digit2 = ((FX_DWORD)i * 2 + 2 < size)
- ? second.GetAt((FX_STRSIZE)i * 2 + 2)
- : '0';
- range.m_Upper[i] = FXSYS_toHexDigit(digit1) * 16 + FXSYS_toHexDigit(digit2);
- }
- return true;
-}
-
-CPDF_CMap::CPDF_CMap() {
- m_Charset = CIDSET_UNKNOWN;
- m_Coding = CIDCODING_UNKNOWN;
- m_CodingScheme = TwoBytes;
- m_bVertical = 0;
- m_bLoaded = FALSE;
- m_pMapping = NULL;
- m_pLeadingBytes = NULL;
- m_pAddMapping = NULL;
- m_pEmbedMap = NULL;
- m_pUseMap = NULL;
- m_nCodeRanges = 0;
-}
-CPDF_CMap::~CPDF_CMap() {
- FX_Free(m_pMapping);
- FX_Free(m_pAddMapping);
- FX_Free(m_pLeadingBytes);
- delete m_pUseMap;
-}
-void CPDF_CMap::Release() {
- if (m_PredefinedCMap.IsEmpty()) {
- delete this;
- }
-}
-
-FX_BOOL CPDF_CMap::LoadPredefined(CPDF_CMapManager* pMgr,
- const FX_CHAR* pName,
- FX_BOOL bPromptCJK) {
- m_PredefinedCMap = pName;
- if (m_PredefinedCMap == "Identity-H" || m_PredefinedCMap == "Identity-V") {
- m_Coding = CIDCODING_CID;
- m_bVertical = pName[9] == 'V';
- m_bLoaded = TRUE;
- return TRUE;
- }
- CFX_ByteString cmapid = m_PredefinedCMap;
- m_bVertical = cmapid.Right(1) == "V";
- if (cmapid.GetLength() > 2) {
- cmapid = cmapid.Left(cmapid.GetLength() - 2);
- }
- const CPDF_PredefinedCMap* map = nullptr;
- for (size_t i = 0; i < FX_ArraySize(g_PredefinedCMaps); ++i) {
- if (cmapid == CFX_ByteStringC(g_PredefinedCMaps[i].m_pName)) {
- map = &g_PredefinedCMaps[i];
- break;
- }
- }
- if (!map)
- return FALSE;
-
- m_Charset = map->m_Charset;
- m_Coding = map->m_Coding;
- m_CodingScheme = map->m_CodingScheme;
- if (m_CodingScheme == MixedTwoBytes) {
- m_pLeadingBytes = FX_Alloc(uint8_t, 256);
- for (FX_DWORD i = 0; i < map->m_LeadingSegCount; ++i) {
- const uint8_t* segs = map->m_LeadingSegs;
- for (int b = segs[i * 2]; b <= segs[i * 2 + 1]; ++b) {
- m_pLeadingBytes[b] = 1;
- }
- }
- }
- FPDFAPI_FindEmbeddedCMap(pName, m_Charset, m_Coding, m_pEmbedMap);
- if (m_pEmbedMap) {
- m_bLoaded = TRUE;
- return TRUE;
- }
- return FALSE;
-}
-FX_BOOL CPDF_CMap::LoadEmbedded(const uint8_t* pData, FX_DWORD size) {
- m_pMapping = FX_Alloc(FX_WORD, 65536);
- CPDF_CMapParser parser;
- parser.Initialize(this);
- CPDF_SimpleParser syntax(pData, size);
- while (1) {
- CFX_ByteStringC word = syntax.GetWord();
- if (word.IsEmpty()) {
- break;
- }
- parser.ParseWord(word);
- }
- if (m_CodingScheme == MixedFourBytes && parser.m_AddMaps.GetSize()) {
- m_pAddMapping = FX_Alloc(uint8_t, parser.m_AddMaps.GetSize() + 4);
- *(FX_DWORD*)m_pAddMapping = parser.m_AddMaps.GetSize() / 8;
- FXSYS_memcpy(m_pAddMapping + 4, parser.m_AddMaps.GetBuffer(),
- parser.m_AddMaps.GetSize());
- FXSYS_qsort(m_pAddMapping + 4, parser.m_AddMaps.GetSize() / 8, 8,
- CompareDWORD);
- }
- return TRUE;
-}
-
-FX_WORD CPDF_CMap::CIDFromCharCode(FX_DWORD charcode) const {
- if (m_Coding == CIDCODING_CID) {
- return (FX_WORD)charcode;
- }
- if (m_pEmbedMap) {
- return FPDFAPI_CIDFromCharCode(m_pEmbedMap, charcode);
- }
- if (!m_pMapping) {
- return (FX_WORD)charcode;
- }
- if (charcode >> 16) {
- if (m_pAddMapping) {
- void* found = FXSYS_bsearch(&charcode, m_pAddMapping + 4,
- *(FX_DWORD*)m_pAddMapping, 8, CompareCID);
- if (!found) {
- if (m_pUseMap) {
- return m_pUseMap->CIDFromCharCode(charcode);
- }
- return 0;
- }
- return (FX_WORD)(((FX_DWORD*)found)[1] % 65536 + charcode -
- *(FX_DWORD*)found);
- }
- if (m_pUseMap)
- return m_pUseMap->CIDFromCharCode(charcode);
- return 0;
- }
- FX_DWORD CID = m_pMapping[charcode];
- if (!CID && m_pUseMap)
- return m_pUseMap->CIDFromCharCode(charcode);
- return (FX_WORD)CID;
-}
-
-FX_DWORD CPDF_CMap::GetNextChar(const FX_CHAR* pString,
- int nStrLen,
- int& offset) const {
- switch (m_CodingScheme) {
- case OneByte:
- return ((uint8_t*)pString)[offset++];
- case TwoBytes:
- offset += 2;
- return ((uint8_t*)pString)[offset - 2] * 256 +
- ((uint8_t*)pString)[offset - 1];
- case MixedTwoBytes: {
- uint8_t byte1 = ((uint8_t*)pString)[offset++];
- if (!m_pLeadingBytes[byte1]) {
- return byte1;
- }
- uint8_t byte2 = ((uint8_t*)pString)[offset++];
- return byte1 * 256 + byte2;
- }
- case MixedFourBytes: {
- uint8_t codes[4];
- int char_size = 1;
- codes[0] = ((uint8_t*)pString)[offset++];
- CMap_CodeRange* pRanges = (CMap_CodeRange*)m_pLeadingBytes;
- while (1) {
- int ret = CheckCodeRange(codes, char_size, pRanges, m_nCodeRanges);
- if (ret == 0) {
- return 0;
- }
- if (ret == 2) {
- FX_DWORD charcode = 0;
- for (int i = 0; i < char_size; i++) {
- charcode = (charcode << 8) + codes[i];
- }
- return charcode;
- }
- if (char_size == 4 || offset == nStrLen) {
- return 0;
- }
- codes[char_size++] = ((uint8_t*)pString)[offset++];
- }
- break;
- }
- }
- return 0;
-}
-int CPDF_CMap::GetCharSize(FX_DWORD charcode) const {
- switch (m_CodingScheme) {
- case OneByte:
- return 1;
- case TwoBytes:
- return 2;
- case MixedTwoBytes:
- case MixedFourBytes:
- if (charcode < 0x100) {
- return 1;
- }
- if (charcode < 0x10000) {
- return 2;
- }
- if (charcode < 0x1000000) {
- return 3;
- }
- return 4;
- }
- return 1;
-}
-int CPDF_CMap::CountChar(const FX_CHAR* pString, int size) const {
- switch (m_CodingScheme) {
- case OneByte:
- return size;
- case TwoBytes:
- return (size + 1) / 2;
- case MixedTwoBytes: {
- int count = 0;
- for (int i = 0; i < size; i++) {
- count++;
- if (m_pLeadingBytes[((uint8_t*)pString)[i]]) {
- i++;
- }
- }
- return count;
- }
- case MixedFourBytes: {
- int count = 0, offset = 0;
- while (offset < size) {
- GetNextChar(pString, size, offset);
- count++;
- }
- return count;
- }
- }
- return size;
-}
-
-int CPDF_CMap::AppendChar(FX_CHAR* str, FX_DWORD charcode) const {
- switch (m_CodingScheme) {
- case OneByte:
- str[0] = (uint8_t)charcode;
- return 1;
- case TwoBytes:
- str[0] = (uint8_t)(charcode / 256);
- str[1] = (uint8_t)(charcode % 256);
- return 2;
- case MixedTwoBytes:
- case MixedFourBytes:
- if (charcode < 0x100) {
- CMap_CodeRange* pRanges = (CMap_CodeRange*)m_pLeadingBytes;
- int iSize = GetCharSizeImpl(charcode, pRanges, m_nCodeRanges);
- if (iSize == 0) {
- iSize = 1;
- }
- if (iSize > 1) {
- FXSYS_memset(str, 0, sizeof(uint8_t) * iSize);
- }
- str[iSize - 1] = (uint8_t)charcode;
- return iSize;
- }
- if (charcode < 0x10000) {
- str[0] = (uint8_t)(charcode >> 8);
- str[1] = (uint8_t)charcode;
- return 2;
- }
- if (charcode < 0x1000000) {
- str[0] = (uint8_t)(charcode >> 16);
- str[1] = (uint8_t)(charcode >> 8);
- str[2] = (uint8_t)charcode;
- return 3;
- }
- str[0] = (uint8_t)(charcode >> 24);
- str[1] = (uint8_t)(charcode >> 16);
- str[2] = (uint8_t)(charcode >> 8);
- str[3] = (uint8_t)charcode;
- return 4;
- }
- return 0;
-}
-CPDF_CID2UnicodeMap::CPDF_CID2UnicodeMap() {
- m_EmbeddedCount = 0;
-}
-CPDF_CID2UnicodeMap::~CPDF_CID2UnicodeMap() {}
-FX_BOOL CPDF_CID2UnicodeMap::Initialize() {
- return TRUE;
-}
-FX_BOOL CPDF_CID2UnicodeMap::IsLoaded() {
- return m_EmbeddedCount != 0;
-}
-FX_WCHAR CPDF_CID2UnicodeMap::UnicodeFromCID(FX_WORD CID) {
- if (m_Charset == CIDSET_UNICODE) {
- return CID;
- }
- if (CID < m_EmbeddedCount) {
- return m_pEmbeddedMap[CID];
- }
- return 0;
-}
-
-void CPDF_CID2UnicodeMap::Load(CPDF_CMapManager* pMgr,
- CIDSet charset,
- FX_BOOL bPromptCJK) {
- m_Charset = charset;
- FPDFAPI_LoadCID2UnicodeMap(charset, m_pEmbeddedMap, m_EmbeddedCount);
-}
-
-CPDF_CIDFont::CPDF_CIDFont()
- : m_pCMap(nullptr),
- m_pAllocatedCMap(nullptr),
- m_pCID2UnicodeMap(nullptr),
- m_pCIDToGIDMap(nullptr),
- m_bCIDIsGID(FALSE),
- m_pAnsiWidths(nullptr),
- m_bAdobeCourierStd(FALSE),
- m_pTTGSUBTable(nullptr) {
-}
-
-CPDF_CIDFont::~CPDF_CIDFont() {
- if (m_pAnsiWidths) {
- FX_Free(m_pAnsiWidths);
- }
- delete m_pAllocatedCMap;
- delete m_pCIDToGIDMap;
- delete m_pTTGSUBTable;
-}
-
-bool CPDF_CIDFont::IsCIDFont() const {
- return true;
-}
-
-const CPDF_CIDFont* CPDF_CIDFont::AsCIDFont() const {
- return this;
-}
-
-CPDF_CIDFont* CPDF_CIDFont::AsCIDFont() {
- return this;
-}
-
-FX_WORD CPDF_CIDFont::CIDFromCharCode(FX_DWORD charcode) const {
- if (!m_pCMap) {
- return (FX_WORD)charcode;
- }
- return m_pCMap->CIDFromCharCode(charcode);
-}
-
-FX_BOOL CPDF_CIDFont::IsVertWriting() const {
- return m_pCMap ? m_pCMap->IsVertWriting() : FALSE;
-}
-
-CFX_WideString CPDF_CIDFont::UnicodeFromCharCode(FX_DWORD charcode) const {
- CFX_WideString str = CPDF_Font::UnicodeFromCharCode(charcode);
- if (!str.IsEmpty())
- return str;
- FX_WCHAR ret = GetUnicodeFromCharCode(charcode);
- if (ret == 0)
- return CFX_WideString();
- return ret;
-}
-
-FX_WCHAR CPDF_CIDFont::GetUnicodeFromCharCode(FX_DWORD charcode) const {
- switch (m_pCMap->m_Coding) {
- case CIDCODING_UCS2:
- case CIDCODING_UTF16:
- return (FX_WCHAR)charcode;
- case CIDCODING_CID:
- if (!m_pCID2UnicodeMap || !m_pCID2UnicodeMap->IsLoaded()) {
- return 0;
- }
- return m_pCID2UnicodeMap->UnicodeFromCID((FX_WORD)charcode);
- }
- if (!m_pCMap->IsLoaded() || !m_pCID2UnicodeMap ||
- !m_pCID2UnicodeMap->IsLoaded()) {
-#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
- FX_WCHAR unicode;
- int charsize = 1;
- if (charcode > 255) {
- charcode = (charcode % 256) * 256 + (charcode / 256);
- charsize = 2;
- }
- int ret = FXSYS_MultiByteToWideChar(g_CharsetCPs[m_pCMap->m_Coding], 0,
- (const FX_CHAR*)&charcode, charsize,
- &unicode, 1);
- if (ret != 1) {
- return 0;
- }
- return unicode;
-#endif
- if (m_pCMap->m_pEmbedMap) {
- return EmbeddedUnicodeFromCharcode(m_pCMap->m_pEmbedMap,
- m_pCMap->m_Charset, charcode);
- }
- return 0;
- }
- return m_pCID2UnicodeMap->UnicodeFromCID(CIDFromCharCode(charcode));
-}
-
-FX_DWORD CPDF_CIDFont::CharCodeFromUnicode(FX_WCHAR unicode) const {
- FX_DWORD charcode = CPDF_Font::CharCodeFromUnicode(unicode);
- if (charcode)
- return charcode;
- switch (m_pCMap->m_Coding) {
- case CIDCODING_UNKNOWN:
- return 0;
- case CIDCODING_UCS2:
- case CIDCODING_UTF16:
- return unicode;
- case CIDCODING_CID: {
- if (!m_pCID2UnicodeMap || !m_pCID2UnicodeMap->IsLoaded()) {
- return 0;
- }
- FX_DWORD CID = 0;
- while (CID < 65536) {
- FX_WCHAR this_unicode = m_pCID2UnicodeMap->UnicodeFromCID((FX_WORD)CID);
- if (this_unicode == unicode) {
- return CID;
- }
- CID++;
- }
- break;
- }
- }
-
- if (unicode < 0x80) {
- return static_cast<FX_DWORD>(unicode);
- }
- if (m_pCMap->m_Coding == CIDCODING_CID) {
- return 0;
- }
-#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
- uint8_t buffer[32];
- int ret =
- FXSYS_WideCharToMultiByte(g_CharsetCPs[m_pCMap->m_Coding], 0, &unicode, 1,
- (char*)buffer, 4, NULL, NULL);
- if (ret == 1) {
- return buffer[0];
- }
- if (ret == 2) {
- return buffer[0] * 256 + buffer[1];
- }
-#else
- if (m_pCMap->m_pEmbedMap) {
- return EmbeddedCharcodeFromUnicode(m_pCMap->m_pEmbedMap, m_pCMap->m_Charset,
- unicode);
- }
-#endif
- return 0;
-}
-
-FX_BOOL CPDF_CIDFont::Load() {
- if (m_pFontDict->GetStringBy("Subtype") == "TrueType") {
- return LoadGB2312();
- }
- CPDF_Array* pFonts = m_pFontDict->GetArrayBy("DescendantFonts");
- if (!pFonts) {
- return FALSE;
- }
- if (pFonts->GetCount() != 1) {
- return FALSE;
- }
- CPDF_Dictionary* pCIDFontDict = pFonts->GetDictAt(0);
- if (!pCIDFontDict) {
- return FALSE;
- }
- m_BaseFont = pCIDFontDict->GetStringBy("BaseFont");
- if ((m_BaseFont.Compare("CourierStd") == 0 ||
- m_BaseFont.Compare("CourierStd-Bold") == 0 ||
- m_BaseFont.Compare("CourierStd-BoldOblique") == 0 ||
- m_BaseFont.Compare("CourierStd-Oblique") == 0) &&
- !IsEmbedded()) {
- m_bAdobeCourierStd = TRUE;
- }
- CPDF_Dictionary* pFontDesc = pCIDFontDict->GetDictBy("FontDescriptor");
- if (pFontDesc) {
- LoadFontDescriptor(pFontDesc);
- }
- CPDF_Object* pEncoding = m_pFontDict->GetElementValue("Encoding");
- if (!pEncoding) {
- return FALSE;
- }
- CFX_ByteString subtype = pCIDFontDict->GetStringBy("Subtype");
- m_bType1 = (subtype == "CIDFontType0");
-
- if (pEncoding->IsName()) {
- CFX_ByteString cmap = pEncoding->GetString();
- m_pCMap =
- CPDF_ModuleMgr::Get()
- ->GetPageModule()
- ->GetFontGlobals()
- ->m_CMapManager.GetPredefinedCMap(cmap, m_pFontFile && m_bType1);
- } else if (CPDF_Stream* pStream = pEncoding->AsStream()) {
- m_pAllocatedCMap = m_pCMap = new CPDF_CMap;
- CPDF_StreamAcc acc;
- acc.LoadAllData(pStream, FALSE);
- m_pCMap->LoadEmbedded(acc.GetData(), acc.GetSize());
- } else {
- return FALSE;
- }
- if (!m_pCMap) {
- return FALSE;
- }
- m_Charset = m_pCMap->m_Charset;
- if (m_Charset == CIDSET_UNKNOWN) {
- CPDF_Dictionary* pCIDInfo = pCIDFontDict->GetDictBy("CIDSystemInfo");
- if (pCIDInfo) {
- m_Charset = CharsetFromOrdering(pCIDInfo->GetStringBy("Ordering"));
- }
- }
- if (m_Charset != CIDSET_UNKNOWN)
- m_pCID2UnicodeMap =
- CPDF_ModuleMgr::Get()
- ->GetPageModule()
- ->GetFontGlobals()
- ->m_CMapManager.GetCID2UnicodeMap(
- m_Charset,
- !m_pFontFile && (m_pCMap->m_Coding == CIDCODING_CID ||
- pCIDFontDict->KeyExist("W")));
- if (m_Font.GetFace()) {
- if (m_bType1) {
- FXFT_Select_Charmap(m_Font.GetFace(), FXFT_ENCODING_UNICODE);
- } else {
- FT_UseCIDCharmap(m_Font.GetFace(), m_pCMap->m_Coding);
- }
- }
- m_DefaultWidth = pCIDFontDict->GetIntegerBy("DW", 1000);
- CPDF_Array* pWidthArray = pCIDFontDict->GetArrayBy("W");
- if (pWidthArray) {
- LoadMetricsArray(pWidthArray, m_WidthList, 1);
- }
- if (!IsEmbedded()) {
- LoadSubstFont();
- }
- if (1) {
- if (m_pFontFile || (GetSubstFont()->m_SubstFlags & FXFONT_SUBST_EXACT)) {
- CPDF_Object* pmap = pCIDFontDict->GetElementValue("CIDToGIDMap");
- if (pmap) {
- if (CPDF_Stream* pStream = pmap->AsStream()) {
- m_pCIDToGIDMap = new CPDF_StreamAcc;
- m_pCIDToGIDMap->LoadAllData(pStream, FALSE);
- } else if (pmap->GetString() == "Identity") {
-#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_
- if (m_pFontFile) {
- m_bCIDIsGID = TRUE;
- }
-#else
- m_bCIDIsGID = TRUE;
-#endif
- }
- }
- }
- }
- CheckFontMetrics();
- if (IsVertWriting()) {
- pWidthArray = pCIDFontDict->GetArrayBy("W2");
- if (pWidthArray) {
- LoadMetricsArray(pWidthArray, m_VertMetrics, 3);
- }
- CPDF_Array* pDefaultArray = pCIDFontDict->GetArrayBy("DW2");
- if (pDefaultArray) {
- m_DefaultVY = pDefaultArray->GetIntegerAt(0);
- m_DefaultW1 = pDefaultArray->GetIntegerAt(1);
- } else {
- m_DefaultVY = 880;
- m_DefaultW1 = -1000;
- }
- }
- return TRUE;
-}
-
-FX_RECT CPDF_CIDFont::GetCharBBox(FX_DWORD charcode, int level) {
- if (charcode < 256 && m_CharBBox[charcode].right != FX_SMALL_RECT::kInvalid)
- return FX_RECT(m_CharBBox[charcode]);
-
- FX_RECT rect;
- FX_BOOL bVert = FALSE;
- int glyph_index = GlyphFromCharCode(charcode, &bVert);
- FXFT_Face face = m_Font.GetFace();
- if (face) {
- if (FXFT_Is_Face_Tricky(face)) {
- int err = FXFT_Load_Glyph(face, glyph_index,
- FXFT_LOAD_IGNORE_GLOBAL_ADVANCE_WIDTH);
- if (!err) {
- FXFT_BBox cbox;
- FXFT_Glyph glyph;
- err = FXFT_Get_Glyph(((FXFT_Face)face)->glyph, &glyph);
- if (!err) {
- FXFT_Glyph_Get_CBox(glyph, FXFT_GLYPH_BBOX_PIXELS, &cbox);
- int pixel_size_x = ((FXFT_Face)face)->size->metrics.x_ppem;
- int pixel_size_y = ((FXFT_Face)face)->size->metrics.y_ppem;
- if (pixel_size_x == 0 || pixel_size_y == 0) {
- rect = FX_RECT(cbox.xMin, cbox.yMax, cbox.xMax, cbox.yMin);
- } else {
- rect = FX_RECT(cbox.xMin * 1000 / pixel_size_x,
- cbox.yMax * 1000 / pixel_size_y,
- cbox.xMax * 1000 / pixel_size_x,
- cbox.yMin * 1000 / pixel_size_y);
- }
- if (rect.top > FXFT_Get_Face_Ascender(face)) {
- rect.top = FXFT_Get_Face_Ascender(face);
- }
- if (rect.bottom < FXFT_Get_Face_Descender(face)) {
- rect.bottom = FXFT_Get_Face_Descender(face);
- }
- FXFT_Done_Glyph(glyph);
- }
- }
- } else {
- int err = FXFT_Load_Glyph(face, glyph_index, FXFT_LOAD_NO_SCALE);
- if (err == 0) {
- rect = FX_RECT(TT2PDF(FXFT_Get_Glyph_HoriBearingX(face), face),
- TT2PDF(FXFT_Get_Glyph_HoriBearingY(face), face),
- TT2PDF(FXFT_Get_Glyph_HoriBearingX(face) +
- FXFT_Get_Glyph_Width(face),
- face),
- TT2PDF(FXFT_Get_Glyph_HoriBearingY(face) -
- FXFT_Get_Glyph_Height(face),
- face));
- rect.top += rect.top / 64;
- }
- }
- }
- if (!m_pFontFile && m_Charset == CIDSET_JAPAN1) {
- FX_WORD CID = CIDFromCharCode(charcode);
- const uint8_t* pTransform = GetCIDTransform(CID);
- if (pTransform && !bVert) {
- CFX_Matrix matrix(CIDTransformToFloat(pTransform[0]),
- CIDTransformToFloat(pTransform[1]),
- CIDTransformToFloat(pTransform[2]),
- CIDTransformToFloat(pTransform[3]),
- CIDTransformToFloat(pTransform[4]) * 1000,
- CIDTransformToFloat(pTransform[5]) * 1000);
- CFX_FloatRect rect_f(rect);
- rect_f.Transform(&matrix);
- rect = rect_f.GetOutterRect();
- }
- }
- if (charcode < 256)
- m_CharBBox[charcode] = rect.ToSmallRect();
-
- return rect;
-}
-int CPDF_CIDFont::GetCharWidthF(FX_DWORD charcode, int level) {
- if (m_pAnsiWidths && charcode < 0x80) {
- return m_pAnsiWidths[charcode];
- }
- FX_WORD cid = CIDFromCharCode(charcode);
- int size = m_WidthList.GetSize();
- FX_DWORD* list = m_WidthList.GetData();
- for (int i = 0; i < size; i += 3) {
- if (cid >= list[i] && cid <= list[i + 1]) {
- return (int)list[i + 2];
- }
- }
- return m_DefaultWidth;
-}
-short CPDF_CIDFont::GetVertWidth(FX_WORD CID) const {
- FX_DWORD vertsize = m_VertMetrics.GetSize() / 5;
- if (vertsize == 0) {
- return m_DefaultW1;
- }
- const FX_DWORD* pTable = m_VertMetrics.GetData();
- for (FX_DWORD i = 0; i < vertsize; i++)
- if (pTable[i * 5] <= CID && pTable[i * 5 + 1] >= CID) {
- return (short)(int)pTable[i * 5 + 2];
- }
- return m_DefaultW1;
-}
-void CPDF_CIDFont::GetVertOrigin(FX_WORD CID, short& vx, short& vy) const {
- FX_DWORD vertsize = m_VertMetrics.GetSize() / 5;
- if (vertsize) {
- const FX_DWORD* pTable = m_VertMetrics.GetData();
- for (FX_DWORD i = 0; i < vertsize; i++)
- if (pTable[i * 5] <= CID && pTable[i * 5 + 1] >= CID) {
- vx = (short)(int)pTable[i * 5 + 3];
- vy = (short)(int)pTable[i * 5 + 4];
- return;
- }
- }
- FX_DWORD dwWidth = m_DefaultWidth;
- int size = m_WidthList.GetSize();
- const FX_DWORD* list = m_WidthList.GetData();
- for (int i = 0; i < size; i += 3) {
- if (CID >= list[i] && CID <= list[i + 1]) {
- dwWidth = (FX_WORD)list[i + 2];
- break;
- }
- }
- vx = (short)dwWidth / 2;
- vy = (short)m_DefaultVY;
-}
-int CPDF_CIDFont::GetGlyphIndex(FX_DWORD unicode, FX_BOOL* pVertGlyph) {
- if (pVertGlyph) {
- *pVertGlyph = FALSE;
- }
- FXFT_Face face = m_Font.GetFace();
- int index = FXFT_Get_Char_Index(face, unicode);
- if (unicode == 0x2502) {
- return index;
- }
- if (index && IsVertWriting()) {
- if (m_pTTGSUBTable) {
- uint32_t vindex = 0;
- m_pTTGSUBTable->GetVerticalGlyph(index, &vindex);
- if (vindex) {
- index = vindex;
- if (pVertGlyph) {
- *pVertGlyph = TRUE;
- }
- }
- return index;
- }
- if (!m_Font.GetSubData()) {
- unsigned long length = 0;
- int error = FXFT_Load_Sfnt_Table(face, FT_MAKE_TAG('G', 'S', 'U', 'B'), 0,
- NULL, &length);
- if (!error) {
- m_Font.SetSubData(FX_Alloc(uint8_t, length));
- }
- }
- int error = FXFT_Load_Sfnt_Table(face, FT_MAKE_TAG('G', 'S', 'U', 'B'), 0,
- m_Font.GetSubData(), NULL);
- if (!error && m_Font.GetSubData()) {
- m_pTTGSUBTable = new CFX_CTTGSUBTable;
- m_pTTGSUBTable->LoadGSUBTable((FT_Bytes)m_Font.GetSubData());
- uint32_t vindex = 0;
- m_pTTGSUBTable->GetVerticalGlyph(index, &vindex);
- if (vindex) {
- index = vindex;
- if (pVertGlyph) {
- *pVertGlyph = TRUE;
- }
- }
- }
- return index;
- }
- if (pVertGlyph) {
- *pVertGlyph = FALSE;
- }
- return index;
-}
-int CPDF_CIDFont::GlyphFromCharCode(FX_DWORD charcode, FX_BOOL* pVertGlyph) {
- if (pVertGlyph) {
- *pVertGlyph = FALSE;
- }
- if (!m_pFontFile && !m_pCIDToGIDMap) {
- FX_WORD cid = CIDFromCharCode(charcode);
- FX_WCHAR unicode = 0;
- if (m_bCIDIsGID) {
-#if _FXM_PLATFORM_ != _FXM_PLATFORM_APPLE_
- return cid;
-#else
- if (m_Flags & PDFFONT_SYMBOLIC) {
- return cid;
- }
- CFX_WideString uni_str = UnicodeFromCharCode(charcode);
- if (uni_str.IsEmpty()) {
- return cid;
- }
- unicode = uni_str.GetAt(0);
-#endif
- } else {
- if (cid && m_pCID2UnicodeMap && m_pCID2UnicodeMap->IsLoaded()) {
- unicode = m_pCID2UnicodeMap->UnicodeFromCID(cid);
- }
- if (unicode == 0) {
- unicode = GetUnicodeFromCharCode(charcode);
- }
- if (unicode == 0 && !(m_Flags & PDFFONT_SYMBOLIC)) {
- unicode = UnicodeFromCharCode(charcode).GetAt(0);
- }
- }
- FXFT_Face face = m_Font.GetFace();
- if (unicode == 0) {
- if (!m_bAdobeCourierStd) {
- return charcode == 0 ? -1 : (int)charcode;
- }
- charcode += 31;
- int index = 0, iBaseEncoding;
- FX_BOOL bMSUnicode = FT_UseTTCharmap(face, 3, 1);
- FX_BOOL bMacRoman = FALSE;
- if (!bMSUnicode) {
- bMacRoman = FT_UseTTCharmap(face, 1, 0);
- }
- iBaseEncoding = PDFFONT_ENCODING_STANDARD;
- if (bMSUnicode) {
- iBaseEncoding = PDFFONT_ENCODING_WINANSI;
- } else if (bMacRoman) {
- iBaseEncoding = PDFFONT_ENCODING_MACROMAN;
- }
- const FX_CHAR* name = GetAdobeCharName(iBaseEncoding, NULL, charcode);
- if (!name) {
- return charcode == 0 ? -1 : (int)charcode;
- }
- FX_WORD unicode = PDF_UnicodeFromAdobeName(name);
- if (unicode) {
- if (bMSUnicode) {
- index = FXFT_Get_Char_Index(face, unicode);
- } else if (bMacRoman) {
- FX_DWORD maccode =
- FT_CharCodeFromUnicode(FXFT_ENCODING_APPLE_ROMAN, unicode);
- index = !maccode ? FXFT_Get_Name_Index(face, (char*)name)
- : FXFT_Get_Char_Index(face, maccode);
- } else {
- return FXFT_Get_Char_Index(face, unicode);
- }
- } else {
- return charcode == 0 ? -1 : (int)charcode;
- }
- if (index == 0 || index == 0xffff) {
- return charcode == 0 ? -1 : (int)charcode;
- }
- return index;
- }
- if (m_Charset == CIDSET_JAPAN1) {
- if (unicode == '\\') {
- unicode = '/';
-#if _FXM_PLATFORM_ != _FXM_PLATFORM_APPLE_
- } else if (unicode == 0xa5) {
- unicode = 0x5c;
-#endif
- }
- }
- if (!face)
- return unicode;
-
- int err = FXFT_Select_Charmap(face, FXFT_ENCODING_UNICODE);
- if (err != 0) {
- int i;
- for (i = 0; i < FXFT_Get_Face_CharmapCount(face); i++) {
- FX_DWORD ret = FT_CharCodeFromUnicode(
- FXFT_Get_Charmap_Encoding(FXFT_Get_Face_Charmaps(face)[i]),
- (FX_WCHAR)charcode);
- if (ret == 0) {
- continue;
- }
- FXFT_Set_Charmap(face, FXFT_Get_Face_Charmaps(face)[i]);
- unicode = (FX_WCHAR)ret;
- break;
- }
- if (i == FXFT_Get_Face_CharmapCount(face) && i) {
- FXFT_Set_Charmap(face, FXFT_Get_Face_Charmaps(face)[0]);
- unicode = (FX_WCHAR)charcode;
- }
- }
- if (FXFT_Get_Face_Charmap(face)) {
- int index = GetGlyphIndex(unicode, pVertGlyph);
- if (index == 0)
- return -1;
- return index;
- }
- return unicode;
- }
- if (!m_Font.GetFace())
- return -1;
-
- FX_WORD cid = CIDFromCharCode(charcode);
- if (m_bType1) {
- if (!m_pCIDToGIDMap) {
- return cid;
- }
- } else {
- if (!m_pCIDToGIDMap) {
- if (m_pFontFile && !m_pCMap->m_pMapping)
- return cid;
- if (m_pCMap->m_Coding == CIDCODING_UNKNOWN ||
- !FXFT_Get_Face_Charmap(m_Font.GetFace())) {
- return cid;
- }
- if (FXFT_Get_Charmap_Encoding(FXFT_Get_Face_Charmap(m_Font.GetFace())) ==
- FXFT_ENCODING_UNICODE) {
- CFX_WideString unicode_str = UnicodeFromCharCode(charcode);
- if (unicode_str.IsEmpty()) {
- return -1;
- }
- charcode = unicode_str.GetAt(0);
- }
- return GetGlyphIndex(charcode, pVertGlyph);
- }
- }
- FX_DWORD byte_pos = cid * 2;
- if (byte_pos + 2 > m_pCIDToGIDMap->GetSize())
- return -1;
-
- const uint8_t* pdata = m_pCIDToGIDMap->GetData() + byte_pos;
- return pdata[0] * 256 + pdata[1];
-}
-FX_DWORD CPDF_CIDFont::GetNextChar(const FX_CHAR* pString,
- int nStrLen,
- int& offset) const {
- return m_pCMap->GetNextChar(pString, nStrLen, offset);
-}
-int CPDF_CIDFont::GetCharSize(FX_DWORD charcode) const {
- return m_pCMap->GetCharSize(charcode);
-}
-int CPDF_CIDFont::CountChar(const FX_CHAR* pString, int size) const {
- return m_pCMap->CountChar(pString, size);
-}
-int CPDF_CIDFont::AppendChar(FX_CHAR* str, FX_DWORD charcode) const {
- return m_pCMap->AppendChar(str, charcode);
-}
-FX_BOOL CPDF_CIDFont::IsUnicodeCompatible() const {
- if (!m_pCMap->IsLoaded() || !m_pCID2UnicodeMap ||
- !m_pCID2UnicodeMap->IsLoaded()) {
- return m_pCMap->m_Coding != CIDCODING_UNKNOWN;
- }
- return TRUE;
-}
-FX_BOOL CPDF_CIDFont::IsFontStyleFromCharCode(FX_DWORD charcode) const {
- return TRUE;
-}
-void CPDF_CIDFont::LoadSubstFont() {
- m_Font.LoadSubst(m_BaseFont, !m_bType1, m_Flags, m_StemV * 5, m_ItalicAngle,
- g_CharsetCPs[m_Charset], IsVertWriting());
-}
-void CPDF_CIDFont::LoadMetricsArray(CPDF_Array* pArray,
- CFX_DWordArray& result,
- int nElements) {
- int width_status = 0;
- int iCurElement = 0;
- int first_code = 0, last_code;
- FX_DWORD count = pArray->GetCount();
- for (FX_DWORD i = 0; i < count; i++) {
- CPDF_Object* pObj = pArray->GetElementValue(i);
- if (!pObj)
- continue;
-
- if (CPDF_Array* pArray = pObj->AsArray()) {
- if (width_status != 1)
- return;
-
- FX_DWORD count = pArray->GetCount();
- for (FX_DWORD j = 0; j < count; j += nElements) {
- result.Add(first_code);
- result.Add(first_code);
- for (int k = 0; k < nElements; k++) {
- result.Add(pArray->GetIntegerAt(j + k));
- }
- first_code++;
- }
- width_status = 0;
- } else {
- if (width_status == 0) {
- first_code = pObj->GetInteger();
- width_status = 1;
- } else if (width_status == 1) {
- last_code = pObj->GetInteger();
- width_status = 2;
- iCurElement = 0;
- } else {
- if (!iCurElement) {
- result.Add(first_code);
- result.Add(last_code);
- }
- result.Add(pObj->GetInteger());
- iCurElement++;
- if (iCurElement == nElements) {
- width_status = 0;
- }
- }
- }
- }
-}
-
-// static
-FX_FLOAT CPDF_CIDFont::CIDTransformToFloat(uint8_t ch) {
- if (ch < 128) {
- return ch * 1.0f / 127;
- }
- return (-255 + ch) * 1.0f / 127;
-}
-
-FX_BOOL CPDF_CIDFont::LoadGB2312() {
- m_BaseFont = m_pFontDict->GetStringBy("BaseFont");
- CPDF_Dictionary* pFontDesc = m_pFontDict->GetDictBy("FontDescriptor");
- if (pFontDesc) {
- LoadFontDescriptor(pFontDesc);
- }
- m_Charset = CIDSET_GB1;
- m_bType1 = FALSE;
- m_pCMap = CPDF_ModuleMgr::Get()
- ->GetPageModule()
- ->GetFontGlobals()
- ->m_CMapManager.GetPredefinedCMap("GBK-EUC-H", FALSE);
- m_pCID2UnicodeMap = CPDF_ModuleMgr::Get()
- ->GetPageModule()
- ->GetFontGlobals()
- ->m_CMapManager.GetCID2UnicodeMap(m_Charset, FALSE);
- if (!IsEmbedded()) {
- LoadSubstFont();
- }
- CheckFontMetrics();
- m_DefaultWidth = 1000;
- m_pAnsiWidths = FX_Alloc(FX_WORD, 128);
- for (int i = 32; i < 127; i++) {
- m_pAnsiWidths[i] = 500;
- }
- return TRUE;
-}
-
-const uint8_t* CPDF_CIDFont::GetCIDTransform(FX_WORD CID) const {
- if (m_Charset != CIDSET_JAPAN1 || m_pFontFile)
- return nullptr;
-
- const struct CIDTransform* found = (const struct CIDTransform*)FXSYS_bsearch(
- &CID, g_Japan1_VertCIDs, FX_ArraySize(g_Japan1_VertCIDs),
- sizeof(g_Japan1_VertCIDs[0]), CompareCIDTransform);
- return found ? &found->a : nullptr;
-}
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