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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 "../../../include/fxge/fx_ge.h" | 7 #include "../../../include/fxge/fx_ge.h" |
8 #include "../../../include/fxge/fx_freetype.h" | 8 #include "../../../include/fxge/fx_freetype.h" |
9 #include "text_int.h" | 9 #include "text_int.h" |
10 #define GET_TT_SHORT(w) (FX_WORD)(((w)[0] << 8) | (w)[1]) | 10 #define GET_TT_SHORT(w) (FX_WORD)(((w)[0] << 8) | (w)[1]) |
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557 } | 557 } |
558 CFX_ByteString CFX_FontMapper::GetPSNameFromTT(void* hFont) | 558 CFX_ByteString CFX_FontMapper::GetPSNameFromTT(void* hFont) |
559 { | 559 { |
560 if (m_pFontInfo == NULL) { | 560 if (m_pFontInfo == NULL) { |
561 CFX_ByteString(); | 561 CFX_ByteString(); |
562 } | 562 } |
563 CFX_ByteString result; | 563 CFX_ByteString result; |
564 FX_DWORD size = m_pFontInfo->GetFontData(hFont, 0x6e616d65, NULL, 0); | 564 FX_DWORD size = m_pFontInfo->GetFontData(hFont, 0x6e616d65, NULL, 0); |
565 if (size) { | 565 if (size) { |
566 FX_LPBYTE buffer = FX_Alloc(FX_BYTE, size); | 566 FX_LPBYTE buffer = FX_Alloc(FX_BYTE, size); |
| 567 if (!buffer) { |
| 568 return result; |
| 569 } |
567 m_pFontInfo->GetFontData(hFont, 0x6e616d65, buffer, size); | 570 m_pFontInfo->GetFontData(hFont, 0x6e616d65, buffer, size); |
568 result = _FPDF_GetNameFromTT(buffer, 6); | 571 result = _FPDF_GetNameFromTT(buffer, 6); |
569 FX_Free(buffer); | 572 FX_Free(buffer); |
570 } | 573 } |
571 return result; | 574 return result; |
572 } | 575 } |
573 void CFX_FontMapper::AddInstalledFont(const CFX_ByteString& name, int charset) | 576 void CFX_FontMapper::AddInstalledFont(const CFX_ByteString& name, int charset) |
574 { | 577 { |
575 if (m_pFontInfo == NULL) { | 578 if (m_pFontInfo == NULL) { |
576 return; | 579 return; |
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1199 FX_BYTE temp[1024]; | 1202 FX_BYTE temp[1024]; |
1200 m_pFontInfo->GetFontData(hFont, 0x74746366, temp, 1024); | 1203 m_pFontInfo->GetFontData(hFont, 0x74746366, temp, 1024); |
1201 FX_DWORD checksum = 0; | 1204 FX_DWORD checksum = 0; |
1202 for (int i = 0; i < 256; i ++) { | 1205 for (int i = 0; i < 256; i ++) { |
1203 checksum += ((FX_DWORD*)temp)[i]; | 1206 checksum += ((FX_DWORD*)temp)[i]; |
1204 } | 1207 } |
1205 FX_LPBYTE pFontData; | 1208 FX_LPBYTE pFontData; |
1206 face = m_pFontMgr->GetCachedTTCFace(ttc_size, checksum, ttc_size - font_
size, pFontData); | 1209 face = m_pFontMgr->GetCachedTTCFace(ttc_size, checksum, ttc_size - font_
size, pFontData); |
1207 if (face == NULL) { | 1210 if (face == NULL) { |
1208 pFontData = FX_Alloc(FX_BYTE, ttc_size); | 1211 pFontData = FX_Alloc(FX_BYTE, ttc_size); |
1209 m_pFontInfo->GetFontData(hFont, 0x74746366, pFontData, ttc_size); | 1212 if (pFontData) { |
1210 face = m_pFontMgr->AddCachedTTCFace(ttc_size, checksum, pFontData, t
tc_size, | 1213 m_pFontInfo->GetFontData(hFont, 0x74746366, pFontData, ttc_size)
; |
1211 ttc_size - font_size); | 1214 face = m_pFontMgr->AddCachedTTCFace(ttc_size, checksum, pFontDat
a, ttc_size, |
| 1215 ttc_size - font_size); |
| 1216 } |
1212 } | 1217 } |
1213 } else { | 1218 } else { |
1214 FX_LPBYTE pFontData; | 1219 FX_LPBYTE pFontData; |
1215 face = m_pFontMgr->GetCachedFace(SubstName, weight, bItalic, pFontData); | 1220 face = m_pFontMgr->GetCachedFace(SubstName, weight, bItalic, pFontData); |
1216 if (face == NULL) { | 1221 if (face == NULL) { |
1217 pFontData = FX_Alloc(FX_BYTE, font_size); | 1222 pFontData = FX_Alloc(FX_BYTE, font_size); |
| 1223 if (!pFontData) { |
| 1224 m_pFontInfo->DeleteFont(hFont); |
| 1225 return NULL; |
| 1226 } |
1218 m_pFontInfo->GetFontData(hFont, 0, pFontData, font_size); | 1227 m_pFontInfo->GetFontData(hFont, 0, pFontData, font_size); |
1219 face = m_pFontMgr->AddCachedFace(SubstName, weight, bItalic, pFontDa
ta, font_size, m_pFontInfo->GetFaceIndex(hFont)); | 1228 face = m_pFontMgr->AddCachedFace(SubstName, weight, bItalic, pFontDa
ta, font_size, m_pFontInfo->GetFaceIndex(hFont)); |
1220 } | 1229 } |
1221 } | 1230 } |
1222 if (face == NULL) { | 1231 if (face == NULL) { |
1223 m_pFontInfo->DeleteFont(hFont); | 1232 m_pFontInfo->DeleteFont(hFont); |
1224 return NULL; | 1233 return NULL; |
1225 } | 1234 } |
1226 pSubstFont->m_Family = SubstName; | 1235 pSubstFont->m_Family = SubstName; |
1227 pSubstFont->m_Charset = Charset; | 1236 pSubstFont->m_Charset = Charset; |
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1364 } | 1373 } |
1365 | 1374 |
1366 if (GET_TT_LONG(buffer) == 0x74746366) { | 1375 if (GET_TT_LONG(buffer) == 0x74746366) { |
1367 FX_DWORD nFaces = GET_TT_LONG(buffer + 8); | 1376 FX_DWORD nFaces = GET_TT_LONG(buffer + 8); |
1368 if (nFaces > FX_DWORD_MAX / 4) { | 1377 if (nFaces > FX_DWORD_MAX / 4) { |
1369 FXSYS_fclose(pFile); | 1378 FXSYS_fclose(pFile); |
1370 return; | 1379 return; |
1371 } | 1380 } |
1372 FX_DWORD face_bytes = nFaces * 4; | 1381 FX_DWORD face_bytes = nFaces * 4; |
1373 FX_LPBYTE offsets = FX_Alloc(FX_BYTE, face_bytes); | 1382 FX_LPBYTE offsets = FX_Alloc(FX_BYTE, face_bytes); |
| 1383 if (!offsets) { |
| 1384 FXSYS_fclose(pFile); |
| 1385 return; |
| 1386 } |
1374 readCnt = FXSYS_fread(offsets, face_bytes, 1, pFile); | 1387 readCnt = FXSYS_fread(offsets, face_bytes, 1, pFile); |
1375 if (readCnt != face_bytes) { | 1388 if (readCnt != face_bytes) { |
1376 FX_Free(offsets); | 1389 FX_Free(offsets); |
1377 FXSYS_fclose(pFile); | 1390 FXSYS_fclose(pFile); |
1378 return; | 1391 return; |
1379 } | 1392 } |
1380 for (FX_DWORD i = 0; i < nFaces; i ++) { | 1393 for (FX_DWORD i = 0; i < nFaces; i ++) { |
1381 FX_LPBYTE p = offsets + i * 4; | 1394 FX_LPBYTE p = offsets + i * 4; |
1382 ReportFace(path, pFile, filesize, GET_TT_LONG(p)); | 1395 ReportFace(path, pFile, filesize, GET_TT_LONG(p)); |
1383 } | 1396 } |
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1516 return FALSE; | 1529 return FALSE; |
1517 } | 1530 } |
1518 CFontFaceInfo* pFont = (CFontFaceInfo*)hFont; | 1531 CFontFaceInfo* pFont = (CFontFaceInfo*)hFont; |
1519 name = pFont->m_FaceName; | 1532 name = pFont->m_FaceName; |
1520 return TRUE; | 1533 return TRUE; |
1521 } | 1534 } |
1522 FX_BOOL CFX_FolderFontInfo::GetFontCharset(void* hFont, int& charset) | 1535 FX_BOOL CFX_FolderFontInfo::GetFontCharset(void* hFont, int& charset) |
1523 { | 1536 { |
1524 return FALSE; | 1537 return FALSE; |
1525 } | 1538 } |
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