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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 "core/fxcrt/include/fx_ucd.h" | 7 #include "core/fxcrt/include/fx_ucd.h" |
8 | 8 |
9 FX_DWORD FX_GetUnicodeProperties(FX_WCHAR wch) { | 9 uint32_t FX_GetUnicodeProperties(FX_WCHAR wch) { |
10 size_t idx = static_cast<size_t>(wch); | 10 size_t idx = static_cast<size_t>(wch); |
11 if (idx < kTextLayoutCodePropertiesSize) | 11 if (idx < kTextLayoutCodePropertiesSize) |
12 return kTextLayoutCodeProperties[(uint16_t)wch]; | 12 return kTextLayoutCodeProperties[(uint16_t)wch]; |
13 return 0; | 13 return 0; |
14 } | 14 } |
15 | 15 |
16 #ifdef PDF_ENABLE_XFA | 16 #ifdef PDF_ENABLE_XFA |
17 FX_BOOL FX_IsCtrlCode(FX_WCHAR ch) { | 17 FX_BOOL FX_IsCtrlCode(FX_WCHAR ch) { |
18 FX_DWORD dwRet = (FX_GetUnicodeProperties(ch) & FX_CHARTYPEBITSMASK); | 18 uint32_t dwRet = (FX_GetUnicodeProperties(ch) & FX_CHARTYPEBITSMASK); |
19 return dwRet == FX_CHARTYPE_Tab || dwRet == FX_CHARTYPE_Control; | 19 return dwRet == FX_CHARTYPE_Tab || dwRet == FX_CHARTYPE_Control; |
20 } | 20 } |
21 #endif // PDF_ENABLE_XFA | 21 #endif // PDF_ENABLE_XFA |
22 | 22 |
23 FX_WCHAR FX_GetMirrorChar(FX_WCHAR wch, FX_BOOL bRTL, FX_BOOL bVertical) { | 23 FX_WCHAR FX_GetMirrorChar(FX_WCHAR wch, FX_BOOL bRTL, FX_BOOL bVertical) { |
24 FX_DWORD dwProps = FX_GetUnicodeProperties(wch); | 24 uint32_t dwProps = FX_GetUnicodeProperties(wch); |
25 FX_DWORD dwTemp = (dwProps & 0xFF800000); | 25 uint32_t dwTemp = (dwProps & 0xFF800000); |
26 if (bRTL && dwTemp < 0xFF800000) { | 26 if (bRTL && dwTemp < 0xFF800000) { |
27 size_t idx = dwTemp >> 23; | 27 size_t idx = dwTemp >> 23; |
28 if (idx < kFXTextLayoutBidiMirrorSize) { | 28 if (idx < kFXTextLayoutBidiMirrorSize) { |
29 wch = kFXTextLayoutBidiMirror[idx]; | 29 wch = kFXTextLayoutBidiMirror[idx]; |
30 dwProps = FX_GetUnicodeProperties(wch); | 30 dwProps = FX_GetUnicodeProperties(wch); |
31 } | 31 } |
32 } | 32 } |
33 if (bVertical) { | 33 if (bVertical) { |
34 dwTemp = (dwProps & 0x007E0000); | 34 dwTemp = (dwProps & 0x007E0000); |
35 if (dwTemp < 0x007E0000) { | 35 if (dwTemp < 0x007E0000) { |
36 size_t idx = dwTemp >> 17; | 36 size_t idx = dwTemp >> 17; |
37 if (idx < kFXTextLayoutVerticalMirrorSize) | 37 if (idx < kFXTextLayoutVerticalMirrorSize) |
38 wch = kFXTextLayoutVerticalMirror[idx]; | 38 wch = kFXTextLayoutVerticalMirror[idx]; |
39 } | 39 } |
40 } | 40 } |
41 return wch; | 41 return wch; |
42 } | 42 } |
43 | 43 |
44 #ifdef PDF_ENABLE_XFA | 44 #ifdef PDF_ENABLE_XFA |
45 FX_WCHAR FX_GetMirrorChar(FX_WCHAR wch, | 45 FX_WCHAR FX_GetMirrorChar(FX_WCHAR wch, |
46 FX_DWORD dwProps, | 46 uint32_t dwProps, |
47 FX_BOOL bRTL, | 47 FX_BOOL bRTL, |
48 FX_BOOL bVertical) { | 48 FX_BOOL bVertical) { |
49 FX_DWORD dwTemp = (dwProps & 0xFF800000); | 49 uint32_t dwTemp = (dwProps & 0xFF800000); |
50 if (bRTL && dwTemp < 0xFF800000) { | 50 if (bRTL && dwTemp < 0xFF800000) { |
51 size_t idx = dwTemp >> 23; | 51 size_t idx = dwTemp >> 23; |
52 if (idx < kFXTextLayoutBidiMirrorSize) { | 52 if (idx < kFXTextLayoutBidiMirrorSize) { |
53 wch = kFXTextLayoutBidiMirror[idx]; | 53 wch = kFXTextLayoutBidiMirror[idx]; |
54 dwProps = FX_GetUnicodeProperties(wch); | 54 dwProps = FX_GetUnicodeProperties(wch); |
55 } | 55 } |
56 } | 56 } |
57 if (bVertical) { | 57 if (bVertical) { |
58 dwTemp = (dwProps & 0x007E0000); | 58 dwTemp = (dwProps & 0x007E0000); |
59 if (dwTemp < 0x007E0000) { | 59 if (dwTemp < 0x007E0000) { |
60 size_t idx = dwTemp >> 17; | 60 size_t idx = dwTemp >> 17; |
61 if (idx < kFXTextLayoutVerticalMirrorSize) | 61 if (idx < kFXTextLayoutVerticalMirrorSize) |
62 wch = kFXTextLayoutVerticalMirror[idx]; | 62 wch = kFXTextLayoutVerticalMirror[idx]; |
63 } | 63 } |
64 } | 64 } |
65 return wch; | 65 return wch; |
66 } | 66 } |
67 #endif // PDF_ENABLE_XFA | 67 #endif // PDF_ENABLE_XFA |
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