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Side by Side Diff: core/src/fxcrt/fx_unicode.cpp

Issue 1172793002: Merge to XFA: Use stdint.h types throughout PDFium. (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@xfa
Patch Set: Created 5 years, 6 months ago
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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/fxcrt/fx_ext.h" 7 #include "../../include/fxcrt/fx_ext.h"
8 extern const FX_DWORD gs_FX_TextLayout_CodeProperties[65536]; 8 extern const FX_DWORD gs_FX_TextLayout_CodeProperties[65536];
9 extern const FX_WCHAR gs_FX_TextLayout_VerticalMirror[64]; 9 extern const FX_WCHAR gs_FX_TextLayout_VerticalMirror[64];
10 extern const FX_WCHAR gs_FX_TextLayout_BidiMirror[512]; 10 extern const FX_WCHAR gs_FX_TextLayout_BidiMirror[512];
(...skipping 11 matching lines...) Expand all
22 return (gs_FX_TextLayout_CodeProperties[(FX_WORD)ch] & 0x8000) != 0; 22 return (gs_FX_TextLayout_CodeProperties[(FX_WORD)ch] & 0x8000) != 0;
23 } 23 }
24 FX_BOOL FX_IsCombinationChar(FX_WCHAR wch) 24 FX_BOOL FX_IsCombinationChar(FX_WCHAR wch)
25 { 25 {
26 FX_DWORD dwProps = (gs_FX_TextLayout_CodeProperties[(FX_WORD)wch] & FX_CHART YPEBITSMASK); 26 FX_DWORD dwProps = (gs_FX_TextLayout_CodeProperties[(FX_WORD)wch] & FX_CHART YPEBITSMASK);
27 return dwProps == FX_CHARTYPE_Combination; 27 return dwProps == FX_CHARTYPE_Combination;
28 } 28 }
29 FX_BOOL FX_IsBidiChar(FX_WCHAR wch) 29 FX_BOOL FX_IsBidiChar(FX_WCHAR wch)
30 { 30 {
31 FX_DWORD dwProps = gs_FX_TextLayout_CodeProperties[(FX_WORD)wch]; 31 FX_DWORD dwProps = gs_FX_TextLayout_CodeProperties[(FX_WORD)wch];
32 FX_INT32 iBidiCls = (dwProps & FX_BIDICLASSBITSMASK) >> FX_BIDICLASSBITS; 32 int32_t iBidiCls = (dwProps & FX_BIDICLASSBITSMASK) >> FX_BIDICLASSBITS;
33 return (FX_BIDICLASS_R == iBidiCls || FX_BIDICLASS_AL == iBidiCls); 33 return (FX_BIDICLASS_R == iBidiCls || FX_BIDICLASS_AL == iBidiCls);
34 } 34 }
35 FX_WCHAR FX_GetMirrorChar(FX_WCHAR wch, FX_BOOL bRTL, FX_BOOL bVertical) 35 FX_WCHAR FX_GetMirrorChar(FX_WCHAR wch, FX_BOOL bRTL, FX_BOOL bVertical)
36 { 36 {
37 FX_DWORD dwProps = gs_FX_TextLayout_CodeProperties[(FX_WORD)wch]; 37 FX_DWORD dwProps = gs_FX_TextLayout_CodeProperties[(FX_WORD)wch];
38 FX_DWORD dwTemp = (dwProps & 0xFF800000); 38 FX_DWORD dwTemp = (dwProps & 0xFF800000);
39 if (bRTL && dwTemp < 0xFF800000) { 39 if (bRTL && dwTemp < 0xFF800000) {
40 wch = gs_FX_TextLayout_BidiMirror[dwTemp >> 23]; 40 wch = gs_FX_TextLayout_BidiMirror[dwTemp >> 23];
41 dwProps = gs_FX_TextLayout_CodeProperties[(FX_WORD)wch]; 41 dwProps = gs_FX_TextLayout_CodeProperties[(FX_WORD)wch];
42 } 42 }
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56 dwProps = gs_FX_TextLayout_CodeProperties[(FX_WORD)wch]; 56 dwProps = gs_FX_TextLayout_CodeProperties[(FX_WORD)wch];
57 } 57 }
58 if (bVertical) { 58 if (bVertical) {
59 dwTemp = (dwProps & 0x007E0000); 59 dwTemp = (dwProps & 0x007E0000);
60 if (dwTemp < 0x007E0000) { 60 if (dwTemp < 0x007E0000) {
61 wch = gs_FX_TextLayout_VerticalMirror[dwTemp >> 17]; 61 wch = gs_FX_TextLayout_VerticalMirror[dwTemp >> 17];
62 } 62 }
63 } 63 }
64 return wch; 64 return wch;
65 } 65 }
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