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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/fx_bidi.h" | 7 #include "core/fxcrt/fx_bidi.h" |
| 8 #include "core/fxcrt/include/fx_ucd.h" | 8 #include "core/fxcrt/fx_ucd.h" |
| 9 | 9 |
| 10 #include <algorithm> | 10 #include <algorithm> |
| 11 | 11 |
| 12 CFX_BidiChar::CFX_BidiChar() | 12 CFX_BidiChar::CFX_BidiChar() |
| 13 : m_CurrentSegment({0, 0, NEUTRAL}), m_LastSegment({0, 0, NEUTRAL}) {} | 13 : m_CurrentSegment({0, 0, NEUTRAL}), m_LastSegment({0, 0, NEUTRAL}) {} |
| 14 | 14 |
| 15 bool CFX_BidiChar::AppendChar(FX_WCHAR wch) { | 15 bool CFX_BidiChar::AppendChar(FX_WCHAR wch) { |
| 16 uint32_t dwProps = FX_GetUnicodeProperties(wch); | 16 uint32_t dwProps = FX_GetUnicodeProperties(wch); |
| 17 int32_t iBidiCls = (dwProps & FX_BIDICLASSBITSMASK) >> FX_BIDICLASSBITS; | 17 int32_t iBidiCls = (dwProps & FX_BIDICLASSBITSMASK) >> FX_BIDICLASSBITS; |
| 18 Direction direction = NEUTRAL; | 18 Direction direction = NEUTRAL; |
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| 74 } | 74 } |
| 75 | 75 |
| 76 CFX_BidiString::~CFX_BidiString() {} | 76 CFX_BidiString::~CFX_BidiString() {} |
| 77 | 77 |
| 78 void CFX_BidiString::SetOverallDirectionRight() { | 78 void CFX_BidiString::SetOverallDirectionRight() { |
| 79 if (m_eOverallDirection != CFX_BidiChar::RIGHT) { | 79 if (m_eOverallDirection != CFX_BidiChar::RIGHT) { |
| 80 std::reverse(m_Order.begin(), m_Order.end()); | 80 std::reverse(m_Order.begin(), m_Order.end()); |
| 81 m_eOverallDirection = CFX_BidiChar::RIGHT; | 81 m_eOverallDirection = CFX_BidiChar::RIGHT; |
| 82 } | 82 } |
| 83 } | 83 } |
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