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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 "xfa/fgas/font/cfgas_gefont.h" | 7 #include "xfa/fgas/font/cfgas_gefont.h" |
8 | 8 |
9 #include <memory> | 9 #include <memory> |
10 #include <utility> | 10 #include <utility> |
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65 CFGAS_FontMgr* pFontMgr) { | 65 CFGAS_FontMgr* pFontMgr) { |
66 CFGAS_GEFont* pFont = new CFGAS_GEFont(pFontMgr); | 66 CFGAS_GEFont* pFont = new CFGAS_GEFont(pFontMgr); |
67 if (!pFont->LoadFontInternal(pBuffer, iLength)) { | 67 if (!pFont->LoadFontInternal(pBuffer, iLength)) { |
68 pFont->Release(); | 68 pFont->Release(); |
69 return nullptr; | 69 return nullptr; |
70 } | 70 } |
71 return pFont; | 71 return pFont; |
72 } | 72 } |
73 | 73 |
74 // static | 74 // static |
75 CFGAS_GEFont* CFGAS_GEFont::LoadFont(IFX_Stream* pFontStream, | 75 CFGAS_GEFont* CFGAS_GEFont::LoadFont(IFGAS_Stream* pFontStream, |
76 CFGAS_FontMgr* pFontMgr, | 76 CFGAS_FontMgr* pFontMgr, |
77 bool bSaveStream) { | 77 bool bSaveStream) { |
78 CFGAS_GEFont* pFont = new CFGAS_GEFont(pFontMgr); | 78 CFGAS_GEFont* pFont = new CFGAS_GEFont(pFontMgr); |
79 if (!pFont->LoadFontInternal(pFontStream, bSaveStream)) { | 79 if (!pFont->LoadFontInternal(pFontStream, bSaveStream)) { |
80 pFont->Release(); | 80 pFont->Release(); |
81 return nullptr; | 81 return nullptr; |
82 } | 82 } |
83 return pFont; | 83 return pFont; |
84 } | 84 } |
85 #endif // _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ | 85 #endif // _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ |
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196 bool CFGAS_GEFont::LoadFontInternal(const uint8_t* pBuffer, int32_t length) { | 196 bool CFGAS_GEFont::LoadFontInternal(const uint8_t* pBuffer, int32_t length) { |
197 if (m_pFont) | 197 if (m_pFont) |
198 return false; | 198 return false; |
199 | 199 |
200 m_pFont = new CFX_Font; | 200 m_pFont = new CFX_Font; |
201 if (!m_pFont->LoadEmbedded(pBuffer, length)) | 201 if (!m_pFont->LoadEmbedded(pBuffer, length)) |
202 return false; | 202 return false; |
203 return InitFont(); | 203 return InitFont(); |
204 } | 204 } |
205 | 205 |
206 bool CFGAS_GEFont::LoadFontInternal(IFX_Stream* pFontStream, bool bSaveStream) { | 206 bool CFGAS_GEFont::LoadFontInternal(IFGAS_Stream* pFontStream, |
| 207 bool bSaveStream) { |
207 if (m_pFont || m_pFileRead || !pFontStream || pFontStream->GetLength() < 1) | 208 if (m_pFont || m_pFileRead || !pFontStream || pFontStream->GetLength() < 1) |
208 return false; | 209 return false; |
209 if (bSaveStream) | 210 if (bSaveStream) |
210 m_pStream.reset(pFontStream); | 211 m_pStream.reset(pFontStream); |
211 | 212 |
212 m_pFileRead.reset(pFontStream->MakeSeekableReadStream()); | 213 m_pFileRead.reset(pFontStream->MakeSeekableReadStream()); |
213 m_pFont = new CFX_Font; | 214 m_pFont = new CFX_Font; |
214 if (m_pFont->LoadFile(m_pFileRead.get())) | 215 if (m_pFont->LoadFile(m_pFileRead.get())) |
215 return InitFont(); | 216 return InitFont(); |
216 m_pFileRead.reset(); | 217 m_pFileRead.reset(); |
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452 | 453 |
453 int32_t CFGAS_GEFont::GetDescent() const { | 454 int32_t CFGAS_GEFont::GetDescent() const { |
454 return m_pFont->GetDescent(); | 455 return m_pFont->GetDescent(); |
455 } | 456 } |
456 | 457 |
457 CFGAS_GEFont* CFGAS_GEFont::GetSubstFont(int32_t iGlyphIndex) const { | 458 CFGAS_GEFont* CFGAS_GEFont::GetSubstFont(int32_t iGlyphIndex) const { |
458 iGlyphIndex = static_cast<uint32_t>(iGlyphIndex) >> 24; | 459 iGlyphIndex = static_cast<uint32_t>(iGlyphIndex) >> 24; |
459 return iGlyphIndex == 0 ? const_cast<CFGAS_GEFont*>(this) | 460 return iGlyphIndex == 0 ? const_cast<CFGAS_GEFont*>(this) |
460 : m_SubstFonts[iGlyphIndex - 1]; | 461 : m_SubstFonts[iGlyphIndex - 1]; |
461 } | 462 } |
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