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1 // Copyright 2016 PDFium Authors. All rights reserved. | 1 // Copyright 2016 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/fpdfapi/fpdf_font/cpdf_simplefont.h" | 7 #include "core/fpdfapi/fpdf_font/cpdf_simplefont.h" |
8 | 8 |
9 #include "core/fpdfapi/fpdf_font/font_int.h" | 9 #include "core/fpdfapi/fpdf_font/font_int.h" |
10 #include "core/fpdfapi/fpdf_parser/include/cpdf_array.h" | 10 #include "core/fpdfapi/fpdf_parser/include/cpdf_array.h" |
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95 if (charcode > 0xff) | 95 if (charcode > 0xff) |
96 charcode = 0; | 96 charcode = 0; |
97 | 97 |
98 if (m_CharBBox[charcode].left == -1) | 98 if (m_CharBBox[charcode].left == -1) |
99 LoadCharMetrics(charcode); | 99 LoadCharMetrics(charcode); |
100 | 100 |
101 return m_CharBBox[charcode]; | 101 return m_CharBBox[charcode]; |
102 } | 102 } |
103 | 103 |
104 FX_BOOL CPDF_SimpleFont::LoadCommon() { | 104 FX_BOOL CPDF_SimpleFont::LoadCommon() { |
105 CPDF_Dictionary* pFontDesc = m_pFontDict->GetDictBy("FontDescriptor"); | 105 CPDF_Dictionary* pFontDesc = m_pFontDict->GetDictFor("FontDescriptor"); |
106 if (pFontDesc) { | 106 if (pFontDesc) { |
107 LoadFontDescriptor(pFontDesc); | 107 LoadFontDescriptor(pFontDesc); |
108 } | 108 } |
109 CPDF_Array* pWidthArray = m_pFontDict->GetArrayBy("Widths"); | 109 CPDF_Array* pWidthArray = m_pFontDict->GetArrayFor("Widths"); |
110 m_bUseFontWidth = !pWidthArray; | 110 m_bUseFontWidth = !pWidthArray; |
111 if (pWidthArray) { | 111 if (pWidthArray) { |
112 if (pFontDesc && pFontDesc->KeyExist("MissingWidth")) { | 112 if (pFontDesc && pFontDesc->KeyExist("MissingWidth")) { |
113 int MissingWidth = pFontDesc->GetIntegerBy("MissingWidth"); | 113 int MissingWidth = pFontDesc->GetIntegerFor("MissingWidth"); |
114 for (int i = 0; i < 256; i++) { | 114 for (int i = 0; i < 256; i++) { |
115 m_CharWidth[i] = MissingWidth; | 115 m_CharWidth[i] = MissingWidth; |
116 } | 116 } |
117 } | 117 } |
118 size_t width_start = m_pFontDict->GetIntegerBy("FirstChar", 0); | 118 size_t width_start = m_pFontDict->GetIntegerFor("FirstChar", 0); |
119 size_t width_end = m_pFontDict->GetIntegerBy("LastChar", 0); | 119 size_t width_end = m_pFontDict->GetIntegerFor("LastChar", 0); |
120 if (width_start <= 255) { | 120 if (width_start <= 255) { |
121 if (width_end == 0 || width_end >= width_start + pWidthArray->GetCount()) | 121 if (width_end == 0 || width_end >= width_start + pWidthArray->GetCount()) |
122 width_end = width_start + pWidthArray->GetCount() - 1; | 122 width_end = width_start + pWidthArray->GetCount() - 1; |
123 if (width_end > 255) | 123 if (width_end > 255) |
124 width_end = 255; | 124 width_end = 255; |
125 for (size_t i = width_start; i <= width_end; i++) | 125 for (size_t i = width_start; i <= width_end; i++) |
126 m_CharWidth[i] = pWidthArray->GetIntegerAt(i - width_start); | 126 m_CharWidth[i] = pWidthArray->GetIntegerAt(i - width_start); |
127 } | 127 } |
128 } | 128 } |
129 if (m_pFontFile) { | 129 if (m_pFontFile) { |
130 if (m_BaseFont.GetLength() > 8 && m_BaseFont[7] == '+') { | 130 if (m_BaseFont.GetLength() > 8 && m_BaseFont[7] == '+') { |
131 m_BaseFont = m_BaseFont.Mid(8); | 131 m_BaseFont = m_BaseFont.Mid(8); |
132 } | 132 } |
133 } else { | 133 } else { |
134 LoadSubstFont(); | 134 LoadSubstFont(); |
135 } | 135 } |
136 if (!(m_Flags & PDFFONT_SYMBOLIC)) { | 136 if (!(m_Flags & PDFFONT_SYMBOLIC)) { |
137 m_BaseEncoding = PDFFONT_ENCODING_STANDARD; | 137 m_BaseEncoding = PDFFONT_ENCODING_STANDARD; |
138 } | 138 } |
139 CPDF_Object* pEncoding = m_pFontDict->GetDirectObjectBy("Encoding"); | 139 CPDF_Object* pEncoding = m_pFontDict->GetDirectObjectFor("Encoding"); |
140 LoadPDFEncoding(pEncoding, m_BaseEncoding, &m_CharNames, !!m_pFontFile, | 140 LoadPDFEncoding(pEncoding, m_BaseEncoding, &m_CharNames, !!m_pFontFile, |
141 m_Font.IsTTFont()); | 141 m_Font.IsTTFont()); |
142 LoadGlyphMap(); | 142 LoadGlyphMap(); |
143 m_CharNames.clear(); | 143 m_CharNames.clear(); |
144 if (!m_Font.GetFace()) | 144 if (!m_Font.GetFace()) |
145 return TRUE; | 145 return TRUE; |
146 | 146 |
147 if (m_Flags & PDFFONT_ALLCAP) { | 147 if (m_Flags & PDFFONT_ALLCAP) { |
148 unsigned char kLowercases[][2] = {{'a', 'z'}, {0xe0, 0xf6}, {0xf8, 0xfd}}; | 148 unsigned char kLowercases[][2] = {{'a', 'z'}, {0xe0, 0xf6}, {0xf8, 0xfd}}; |
149 for (size_t range = 0; range < FX_ArraySize(kLowercases); ++range) { | 149 for (size_t range = 0; range < FX_ArraySize(kLowercases); ++range) { |
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207 return CFX_WideString(); | 207 return CFX_WideString(); |
208 return ret; | 208 return ret; |
209 } | 209 } |
210 | 210 |
211 uint32_t CPDF_SimpleFont::CharCodeFromUnicode(FX_WCHAR unicode) const { | 211 uint32_t CPDF_SimpleFont::CharCodeFromUnicode(FX_WCHAR unicode) const { |
212 uint32_t ret = CPDF_Font::CharCodeFromUnicode(unicode); | 212 uint32_t ret = CPDF_Font::CharCodeFromUnicode(unicode); |
213 if (ret) | 213 if (ret) |
214 return ret; | 214 return ret; |
215 return m_Encoding.CharCodeFromUnicode(unicode); | 215 return m_Encoding.CharCodeFromUnicode(unicode); |
216 } | 216 } |
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