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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/fgas_gefont.h" | 7 #include "xfa/fgas/font/fgas_gefont.h" |
8 | 8 |
9 #include "xfa/fgas/crt/fgas_codepage.h" | 9 #include "xfa/fgas/crt/fgas_codepage.h" |
10 #include "xfa/fgas/font/fgas_fontutils.h" | 10 #include "xfa/fgas/font/fgas_fontutils.h" |
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70 CFGAS_GEFont::CFGAS_GEFont(IFGAS_FontMgr* pFontMgr) | 70 CFGAS_GEFont::CFGAS_GEFont(IFGAS_FontMgr* pFontMgr) |
71 : | 71 : |
72 #if _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_ | 72 #if _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_ |
73 m_bUseLogFontStyle(FALSE), | 73 m_bUseLogFontStyle(FALSE), |
74 m_dwLogFontStyle(0), | 74 m_dwLogFontStyle(0), |
75 #endif | 75 #endif |
76 m_pFont(nullptr), | 76 m_pFont(nullptr), |
77 m_pFontMgr(pFontMgr), | 77 m_pFontMgr(pFontMgr), |
78 m_iRefCount(1), | 78 m_iRefCount(1), |
79 m_bExtFont(FALSE), | 79 m_bExtFont(FALSE), |
80 m_pStream(nullptr), | |
81 m_pFileRead(nullptr), | |
82 m_pFontEncoding(nullptr), | |
83 m_pCharWidthMap(nullptr), | |
84 m_pRectArray(nullptr), | |
85 m_pBBoxMap(nullptr), | |
86 m_pProvider(nullptr) { | 80 m_pProvider(nullptr) { |
87 } | 81 } |
88 | 82 |
89 CFGAS_GEFont::CFGAS_GEFont(const CFGAS_GEFont& src, uint32_t dwFontStyles) | 83 CFGAS_GEFont::CFGAS_GEFont(const CFGAS_GEFont& src, uint32_t dwFontStyles) |
90 : | 84 : |
91 #if _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_ | 85 #if _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_ |
92 m_bUseLogFontStyle(FALSE), | 86 m_bUseLogFontStyle(FALSE), |
93 m_dwLogFontStyle(0), | 87 m_dwLogFontStyle(0), |
94 #endif | 88 #endif |
95 m_pFont(nullptr), | 89 m_pFont(nullptr), |
96 m_pFontMgr(src.m_pFontMgr), | 90 m_pFontMgr(src.m_pFontMgr), |
97 m_iRefCount(1), | 91 m_iRefCount(1), |
98 m_bExtFont(FALSE), | 92 m_bExtFont(FALSE), |
99 m_pStream(nullptr), | |
100 m_pFileRead(nullptr), | |
101 m_pFontEncoding(nullptr), | |
102 m_pCharWidthMap(nullptr), | |
103 m_pRectArray(nullptr), | |
104 m_pBBoxMap(nullptr), | |
105 m_pProvider(nullptr) { | 93 m_pProvider(nullptr) { |
106 ASSERT(src.m_pFont); | 94 ASSERT(src.m_pFont); |
107 m_pFont = new CFX_Font; | 95 m_pFont = new CFX_Font; |
108 m_pFont->LoadClone(src.m_pFont); | 96 m_pFont->LoadClone(src.m_pFont); |
109 CFX_SubstFont* pSubst = m_pFont->GetSubstFont(); | 97 CFX_SubstFont* pSubst = m_pFont->GetSubstFont(); |
110 if (!pSubst) { | 98 if (!pSubst) { |
111 pSubst = new CFX_SubstFont; | 99 pSubst = new CFX_SubstFont; |
112 m_pFont->SetSubstFont(std::unique_ptr<CFX_SubstFont>(pSubst)); | 100 m_pFont->SetSubstFont(std::unique_ptr<CFX_SubstFont>(pSubst)); |
113 } | 101 } |
114 pSubst->m_Weight = | 102 pSubst->m_Weight = |
115 (dwFontStyles & FX_FONTSTYLE_Bold) ? FXFONT_FW_BOLD : FXFONT_FW_NORMAL; | 103 (dwFontStyles & FX_FONTSTYLE_Bold) ? FXFONT_FW_BOLD : FXFONT_FW_NORMAL; |
116 if (dwFontStyles & FX_FONTSTYLE_Italic) { | 104 if (dwFontStyles & FX_FONTSTYLE_Italic) { |
117 pSubst->m_SubstFlags |= FXFONT_SUBST_ITALIC; | 105 pSubst->m_SubstFlags |= FXFONT_SUBST_ITALIC; |
118 } | 106 } |
119 InitFont(); | 107 InitFont(); |
120 } | 108 } |
121 | 109 |
122 CFGAS_GEFont::~CFGAS_GEFont() { | 110 CFGAS_GEFont::~CFGAS_GEFont() { |
123 for (int32_t i = 0; i < m_SubstFonts.GetSize(); i++) | 111 for (int32_t i = 0; i < m_SubstFonts.GetSize(); i++) |
124 m_SubstFonts[i]->Release(); | 112 m_SubstFonts[i]->Release(); |
125 | 113 |
126 m_SubstFonts.RemoveAll(); | 114 m_SubstFonts.RemoveAll(); |
127 m_FontMapper.clear(); | 115 m_FontMapper.clear(); |
128 if (m_pFileRead) | |
129 m_pFileRead->Release(); | |
130 | 116 |
131 if (m_pStream) | |
132 m_pStream->Release(); | |
133 | |
134 delete m_pFontEncoding; | |
135 delete m_pCharWidthMap; | |
136 delete m_pRectArray; | |
137 delete m_pBBoxMap; | |
138 if (!m_bExtFont) | 117 if (!m_bExtFont) |
139 delete m_pFont; | 118 delete m_pFont; |
140 } | 119 } |
141 | 120 |
142 void CFGAS_GEFont::Release() { | 121 void CFGAS_GEFont::Release() { |
143 if (--m_iRefCount < 1) { | 122 if (--m_iRefCount < 1) { |
144 if (m_pFontMgr) { | 123 if (m_pFontMgr) { |
145 m_pFontMgr->RemoveFont(this); | 124 m_pFontMgr->RemoveFont(this); |
146 } | 125 } |
147 delete this; | 126 delete this; |
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206 return FALSE; | 185 return FALSE; |
207 | 186 |
208 m_pFont = new CFX_Font; | 187 m_pFont = new CFX_Font; |
209 if (!m_pFont->LoadEmbedded(pBuffer, length)) | 188 if (!m_pFont->LoadEmbedded(pBuffer, length)) |
210 return FALSE; | 189 return FALSE; |
211 return InitFont(); | 190 return InitFont(); |
212 } | 191 } |
213 | 192 |
214 FX_BOOL CFGAS_GEFont::LoadFontInternal(IFX_Stream* pFontStream, | 193 FX_BOOL CFGAS_GEFont::LoadFontInternal(IFX_Stream* pFontStream, |
215 FX_BOOL bSaveStream) { | 194 FX_BOOL bSaveStream) { |
216 if (m_pFont || m_pFileRead || !pFontStream || pFontStream->GetLength() < 1) { | 195 if (m_pFont || m_pFileRead || !pFontStream || pFontStream->GetLength() < 1) |
217 return FALSE; | 196 return FALSE; |
218 } | 197 if (bSaveStream) |
219 if (bSaveStream) { | 198 m_pStream.reset(pFontStream); |
220 m_pStream = pFontStream; | 199 |
221 } | 200 m_pFileRead.reset(FX_CreateFileRead(pFontStream, FALSE)); |
222 m_pFileRead = FX_CreateFileRead(pFontStream, FALSE); | |
223 m_pFont = new CFX_Font; | 201 m_pFont = new CFX_Font; |
224 FX_BOOL bRet = m_pFont->LoadFile(m_pFileRead); | 202 if (m_pFont->LoadFile(m_pFileRead.get())) |
225 if (bRet) { | 203 return InitFont(); |
226 bRet = InitFont(); | 204 m_pFileRead.reset(); |
227 } else { | 205 return FALSE; |
228 m_pFileRead->Release(); | |
229 m_pFileRead = nullptr; | |
230 } | |
231 return bRet; | |
232 } | 206 } |
233 #endif // _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ | 207 #endif // _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ |
234 | 208 |
235 FX_BOOL CFGAS_GEFont::LoadFontInternal(CFX_Font* pExtFont) { | 209 FX_BOOL CFGAS_GEFont::LoadFontInternal(CFX_Font* pExtFont) { |
236 if (m_pFont || !pExtFont) { | 210 if (m_pFont || !pExtFont) { |
237 return FALSE; | 211 return FALSE; |
238 } | 212 } |
239 m_pFont = pExtFont; | 213 m_pFont = pExtFont; |
240 m_bExtFont = TRUE; | 214 m_bExtFont = TRUE; |
241 return InitFont(); | 215 return InitFont(); |
242 } | 216 } |
243 | 217 |
244 FX_BOOL CFGAS_GEFont::InitFont() { | 218 FX_BOOL CFGAS_GEFont::InitFont() { |
245 if (!m_pFont) | 219 if (!m_pFont) |
246 return FALSE; | 220 return FALSE; |
247 if (!m_pFontEncoding) { | 221 if (!m_pFontEncoding) { |
248 m_pFontEncoding = FX_CreateFontEncodingEx(m_pFont); | 222 m_pFontEncoding.reset(FX_CreateFontEncodingEx(m_pFont)); |
249 if (!m_pFontEncoding) | 223 if (!m_pFontEncoding) |
250 return FALSE; | 224 return FALSE; |
251 } | 225 } |
252 if (!m_pCharWidthMap) | 226 if (!m_pCharWidthMap) |
253 m_pCharWidthMap = new CFX_DiscreteArrayTemplate<uint16_t>(1024); | 227 m_pCharWidthMap.reset(new CFX_DiscreteArrayTemplate<uint16_t>(1024)); |
254 if (!m_pRectArray) | 228 if (!m_pRectArray) |
255 m_pRectArray = new CFX_MassArrayTemplate<CFX_Rect>(16); | 229 m_pRectArray.reset(new CFX_MassArrayTemplate<CFX_Rect>(16)); |
256 if (!m_pBBoxMap) | 230 if (!m_pBBoxMap) |
257 m_pBBoxMap = new CFX_MapPtrToPtr(16); | 231 m_pBBoxMap.reset(new CFX_MapPtrToPtr(16)); |
258 | 232 |
259 return TRUE; | 233 return TRUE; |
260 } | 234 } |
261 | 235 |
262 CFGAS_GEFont* CFGAS_GEFont::Derive(uint32_t dwFontStyles, uint16_t wCodePage) { | 236 CFGAS_GEFont* CFGAS_GEFont::Derive(uint32_t dwFontStyles, uint16_t wCodePage) { |
263 if (GetFontStyles() == dwFontStyles) | 237 if (GetFontStyles() == dwFontStyles) |
264 return Retain(); | 238 return Retain(); |
265 return new CFGAS_GEFont(*this, dwFontStyles); | 239 return new CFGAS_GEFont(*this, dwFontStyles); |
266 } | 240 } |
267 | 241 |
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474 } | 448 } |
475 if (m_pRectArray) { | 449 if (m_pRectArray) { |
476 m_pRectArray->RemoveAll(FALSE); | 450 m_pRectArray->RemoveAll(FALSE); |
477 } | 451 } |
478 } | 452 } |
479 CFGAS_GEFont* CFGAS_GEFont::GetSubstFont(int32_t iGlyphIndex) const { | 453 CFGAS_GEFont* CFGAS_GEFont::GetSubstFont(int32_t iGlyphIndex) const { |
480 iGlyphIndex = ((uint32_t)iGlyphIndex) >> 24; | 454 iGlyphIndex = ((uint32_t)iGlyphIndex) >> 24; |
481 return iGlyphIndex == 0 ? const_cast<CFGAS_GEFont*>(this) | 455 return iGlyphIndex == 0 ? const_cast<CFGAS_GEFont*>(this) |
482 : m_SubstFonts[iGlyphIndex - 1]; | 456 : m_SubstFonts[iGlyphIndex - 1]; |
483 } | 457 } |
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