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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 <limits> | 7 #include <limits> |
8 | 8 |
9 #include "../../../include/fxge/fx_ge.h" | 9 #include "../../../include/fxge/fx_ge.h" |
10 #include "../../../include/fxge/fx_freetype.h" | 10 #include "../../../include/fxge/fx_freetype.h" |
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1400 } | 1400 } |
1401 if (style.Find(FX_BSTRC("Italic")) > -1 || | 1401 if (style.Find(FX_BSTRC("Italic")) > -1 || |
1402 style.Find(FX_BSTRC("Oblique")) > -1) { | 1402 style.Find(FX_BSTRC("Oblique")) > -1) { |
1403 pInfo->m_Styles |= FXFONT_ITALIC; | 1403 pInfo->m_Styles |= FXFONT_ITALIC; |
1404 } | 1404 } |
1405 if (facename.Find(FX_BSTRC("Serif")) > -1) { | 1405 if (facename.Find(FX_BSTRC("Serif")) > -1) { |
1406 pInfo->m_Styles |= FXFONT_SERIF; | 1406 pInfo->m_Styles |= FXFONT_SERIF; |
1407 } | 1407 } |
1408 m_FontList[facename] = pInfo; | 1408 m_FontList[facename] = pInfo; |
1409 } | 1409 } |
| 1410 static const struct { |
| 1411 const FX_CHAR* m_pName; |
| 1412 const FX_CHAR* m_pSubstName; |
| 1413 } Base14Substs[] = { |
| 1414 {"Courier", "Courier New"}, |
| 1415 {"Courier-Bold", "Courier New Bold"}, |
| 1416 {"Courier-BoldOblique", "Courier New Bold Italic"}, |
| 1417 {"Courier-Oblique", "Courier New Italic"}, |
| 1418 {"Helvetica", "Arial"}, |
| 1419 {"Helvetica-Bold", "Arial Bold"}, |
| 1420 {"Helvetica-BoldOblique", "Arial Bold Italic"}, |
| 1421 {"Helvetica-Oblique", "Arial Italic"}, |
| 1422 {"Times-Roman", "Times New Roman"}, |
| 1423 {"Times-Bold", "Times New Roman Bold"}, |
| 1424 {"Times-BoldItalic", "Times New Roman Bold Italic"}, |
| 1425 {"Times-Italic", "Times New Roman Italic"}, |
| 1426 }; |
| 1427 void* CFX_FolderFontInfo::GetSubstFont(const CFX_ByteString& face) { |
| 1428 for (size_t iBaseFont = 0; iBaseFont < FX_ArraySize(Base14Substs); |
| 1429 iBaseFont++) { |
| 1430 if (face == Base14Substs[iBaseFont].m_pName) { |
| 1431 return GetFont(Base14Substs[iBaseFont].m_pSubstName); |
| 1432 } |
| 1433 } |
| 1434 return nullptr; |
| 1435 } |
| 1436 static FX_DWORD _GetCharset(int charset) { |
| 1437 switch (charset) { |
| 1438 case FXFONT_SHIFTJIS_CHARSET: |
| 1439 return CHARSET_FLAG_SHIFTJIS; |
| 1440 case FXFONT_GB2312_CHARSET: |
| 1441 return CHARSET_FLAG_GB; |
| 1442 case FXFONT_CHINESEBIG5_CHARSET: |
| 1443 return CHARSET_FLAG_BIG5; |
| 1444 case FXFONT_HANGEUL_CHARSET: |
| 1445 return CHARSET_FLAG_KOREAN; |
| 1446 case FXFONT_SYMBOL_CHARSET: |
| 1447 return CHARSET_FLAG_SYMBOL; |
| 1448 case FXFONT_ANSI_CHARSET: |
| 1449 return CHARSET_FLAG_ANSI; |
| 1450 default: |
| 1451 break; |
| 1452 } |
| 1453 return 0; |
| 1454 } |
| 1455 static int32_t _GetSimilarValue(int weight, |
| 1456 FX_BOOL bItalic, |
| 1457 int pitch_family, |
| 1458 FX_DWORD style) { |
| 1459 int32_t iSimilarValue = 0; |
| 1460 if ((style & FXFONT_BOLD) == (weight > 400)) { |
| 1461 iSimilarValue += 16; |
| 1462 } |
| 1463 if ((style & FXFONT_ITALIC) == bItalic) { |
| 1464 iSimilarValue += 16; |
| 1465 } |
| 1466 if ((style & FXFONT_SERIF) == (pitch_family & FXFONT_FF_ROMAN)) { |
| 1467 iSimilarValue += 16; |
| 1468 } |
| 1469 if ((style & FXFONT_SCRIPT) == (pitch_family & FXFONT_FF_SCRIPT)) { |
| 1470 iSimilarValue += 8; |
| 1471 } |
| 1472 if ((style & FXFONT_FIXED_PITCH) == (pitch_family & FXFONT_FF_FIXEDPITCH)) { |
| 1473 iSimilarValue += 8; |
| 1474 } |
| 1475 return iSimilarValue; |
| 1476 } |
| 1477 void* CFX_FolderFontInfo::FindFont(int weight, |
| 1478 FX_BOOL bItalic, |
| 1479 int charset, |
| 1480 int pitch_family, |
| 1481 const FX_CHAR* family, |
| 1482 FX_BOOL bMatchName) { |
| 1483 CFX_FontFaceInfo* pFind = nullptr; |
| 1484 if (charset == FXFONT_ANSI_CHARSET && (pitch_family & FXFONT_FF_FIXEDPITCH)) { |
| 1485 return GetFont("Courier New"); |
| 1486 } |
| 1487 FX_DWORD charset_flag = _GetCharset(charset); |
| 1488 int32_t iBestSimilar = 0; |
| 1489 for (const auto& it : m_FontList) { |
| 1490 const CFX_ByteString& bsName = it.first; |
| 1491 CFX_FontFaceInfo* pFont = it.second; |
| 1492 if (!(pFont->m_Charsets & charset_flag) && |
| 1493 charset != FXFONT_DEFAULT_CHARSET) { |
| 1494 continue; |
| 1495 } |
| 1496 int32_t index = bsName.Find(family); |
| 1497 if (bMatchName && index < 0) { |
| 1498 continue; |
| 1499 } |
| 1500 int32_t iSimilarValue = |
| 1501 _GetSimilarValue(weight, bItalic, pitch_family, pFont->m_Styles); |
| 1502 if (iSimilarValue > iBestSimilar) { |
| 1503 iBestSimilar = iSimilarValue; |
| 1504 pFind = pFont; |
| 1505 } |
| 1506 } |
| 1507 return pFind; |
| 1508 } |
1410 void* CFX_FolderFontInfo::MapFont(int weight, | 1509 void* CFX_FolderFontInfo::MapFont(int weight, |
1411 FX_BOOL bItalic, | 1510 FX_BOOL bItalic, |
1412 int charset, | 1511 int charset, |
1413 int pitch_family, | 1512 int pitch_family, |
1414 const FX_CHAR* family, | 1513 const FX_CHAR* family, |
1415 int& iExact) { | 1514 int& iExact) { |
1416 return NULL; | 1515 return NULL; |
1417 } | 1516 } |
1418 void* CFX_FolderFontInfo::GetFont(const FX_CHAR* face) { | 1517 void* CFX_FolderFontInfo::GetFont(const FX_CHAR* face) { |
1419 auto it = m_FontList.find(face); | 1518 auto it = m_FontList.find(face); |
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1464 if (hFont == NULL) { | 1563 if (hFont == NULL) { |
1465 return FALSE; | 1564 return FALSE; |
1466 } | 1565 } |
1467 CFX_FontFaceInfo* pFont = (CFX_FontFaceInfo*)hFont; | 1566 CFX_FontFaceInfo* pFont = (CFX_FontFaceInfo*)hFont; |
1468 name = pFont->m_FaceName; | 1567 name = pFont->m_FaceName; |
1469 return TRUE; | 1568 return TRUE; |
1470 } | 1569 } |
1471 FX_BOOL CFX_FolderFontInfo::GetFontCharset(void* hFont, int& charset) { | 1570 FX_BOOL CFX_FolderFontInfo::GetFontCharset(void* hFont, int& charset) { |
1472 return FALSE; | 1571 return FALSE; |
1473 } | 1572 } |
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