OLD | NEW |
---|---|
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" |
11 #include "core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h" | 11 #include "core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h" |
12 #include "core/fxge/include/fx_freetype.h" | 12 #include "core/fxge/include/fx_freetype.h" |
13 | 13 |
14 CPDF_SimpleFont::CPDF_SimpleFont() : m_BaseEncoding(PDFFONT_ENCODING_BUILTIN) { | 14 CPDF_SimpleFont::CPDF_SimpleFont() : m_BaseEncoding(PDFFONT_ENCODING_BUILTIN) { |
15 FXSYS_memset(m_CharWidth, 0xff, sizeof(m_CharWidth)); | 15 FXSYS_memset(m_CharWidth, 0xff, sizeof(m_CharWidth)); |
16 FXSYS_memset(m_GlyphIndex, 0xff, sizeof(m_GlyphIndex)); | 16 FXSYS_memset(m_GlyphIndex, 0xff, sizeof(m_GlyphIndex)); |
17 FXSYS_memset(m_ExtGID, 0xff, sizeof(m_ExtGID)); | 17 FXSYS_memset(m_ExtGID, 0xff, sizeof(m_ExtGID)); |
18 for (size_t i = 0; i < FX_ArraySize(m_CharBBox); ++i) { | |
19 m_CharBBox[i] = FX_RECT(-1, -1, -1, -1); | |
20 } | |
dsinclair
2016/08/15 12:48:03
nit: no {}'s
Lei Zhang
2016/08/15 17:05:35
Done.
| |
18 } | 21 } |
19 | 22 |
20 CPDF_SimpleFont::~CPDF_SimpleFont() {} | 23 CPDF_SimpleFont::~CPDF_SimpleFont() {} |
21 | 24 |
22 int CPDF_SimpleFont::GlyphFromCharCode(uint32_t charcode, bool* pVertGlyph) { | 25 int CPDF_SimpleFont::GlyphFromCharCode(uint32_t charcode, bool* pVertGlyph) { |
23 if (pVertGlyph) | 26 if (pVertGlyph) |
24 *pVertGlyph = false; | 27 *pVertGlyph = false; |
25 | 28 |
26 if (charcode > 0xff) | 29 if (charcode > 0xff) |
27 return -1; | 30 return -1; |
(...skipping 17 matching lines...) Expand all Loading... | |
45 if (m_bUseFontWidth) { | 48 if (m_bUseFontWidth) { |
46 m_CharWidth[charcode] = m_CharWidth[32]; | 49 m_CharWidth[charcode] = m_CharWidth[32]; |
47 } | 50 } |
48 } | 51 } |
49 return; | 52 return; |
50 } | 53 } |
51 FXFT_Face face = m_Font.GetFace(); | 54 FXFT_Face face = m_Font.GetFace(); |
52 int err = FXFT_Load_Glyph( | 55 int err = FXFT_Load_Glyph( |
53 face, glyph_index, | 56 face, glyph_index, |
54 FXFT_LOAD_NO_SCALE | FXFT_LOAD_IGNORE_GLOBAL_ADVANCE_WIDTH); | 57 FXFT_LOAD_NO_SCALE | FXFT_LOAD_IGNORE_GLOBAL_ADVANCE_WIDTH); |
55 if (err) { | 58 if (err) |
56 return; | 59 return; |
57 } | 60 |
58 m_CharBBox[charcode] = FX_SMALL_RECT( | 61 int iHoriBearingX = FXFT_Get_Glyph_HoriBearingX(face); |
59 TT2PDF(FXFT_Get_Glyph_HoriBearingX(face), face), | 62 int iHoriBearingY = FXFT_Get_Glyph_HoriBearingY(face); |
60 TT2PDF(FXFT_Get_Glyph_HoriBearingY(face), face), | 63 m_CharBBox[charcode] = |
61 TT2PDF(FXFT_Get_Glyph_HoriBearingX(face) + FXFT_Get_Glyph_Width(face), | 64 FX_RECT(TT2PDF(iHoriBearingX, face), TT2PDF(iHoriBearingY, face), |
62 face), | 65 TT2PDF(iHoriBearingX + FXFT_Get_Glyph_Width(face), face), |
63 TT2PDF(FXFT_Get_Glyph_HoriBearingY(face) - FXFT_Get_Glyph_Height(face), | 66 TT2PDF(iHoriBearingY - FXFT_Get_Glyph_Height(face), face)); |
64 face)); | |
65 | 67 |
66 if (m_bUseFontWidth) { | 68 if (m_bUseFontWidth) { |
67 int TT_Width = TT2PDF(FXFT_Get_Glyph_HoriAdvance(face), face); | 69 int TT_Width = TT2PDF(FXFT_Get_Glyph_HoriAdvance(face), face); |
68 if (m_CharWidth[charcode] == 0xffff) { | 70 if (m_CharWidth[charcode] == 0xffff) { |
69 m_CharWidth[charcode] = TT_Width; | 71 m_CharWidth[charcode] = TT_Width; |
70 } else if (TT_Width && !IsEmbedded()) { | 72 } else if (TT_Width && !IsEmbedded()) { |
71 m_CharBBox[charcode].right = | 73 m_CharBBox[charcode].right = |
72 m_CharBBox[charcode].right * m_CharWidth[charcode] / TT_Width; | 74 m_CharBBox[charcode].right * m_CharWidth[charcode] / TT_Width; |
73 m_CharBBox[charcode].left = | 75 m_CharBBox[charcode].left = |
74 m_CharBBox[charcode].left * m_CharWidth[charcode] / TT_Width; | 76 m_CharBBox[charcode].left * m_CharWidth[charcode] / TT_Width; |
75 } | 77 } |
76 } | 78 } |
77 } | 79 } |
78 | 80 |
79 int CPDF_SimpleFont::GetCharWidthF(uint32_t charcode, int level) { | 81 int CPDF_SimpleFont::GetCharWidthF(uint32_t charcode, int level) { |
80 if (charcode > 0xff) { | 82 if (charcode > 0xff) |
81 charcode = 0; | 83 charcode = 0; |
82 } | 84 |
83 if (m_CharWidth[charcode] == 0xffff) { | 85 if (m_CharWidth[charcode] == 0xffff) { |
84 LoadCharMetrics(charcode); | 86 LoadCharMetrics(charcode); |
85 if (m_CharWidth[charcode] == 0xffff) { | 87 if (m_CharWidth[charcode] == 0xffff) { |
86 m_CharWidth[charcode] = 0; | 88 m_CharWidth[charcode] = 0; |
87 } | 89 } |
88 } | 90 } |
89 return (int16_t)m_CharWidth[charcode]; | 91 return m_CharWidth[charcode]; |
90 } | 92 } |
91 | 93 |
92 FX_RECT CPDF_SimpleFont::GetCharBBox(uint32_t charcode, int level) { | 94 FX_RECT CPDF_SimpleFont::GetCharBBox(uint32_t charcode, int level) { |
93 if (charcode > 0xff) | 95 if (charcode > 0xff) |
94 charcode = 0; | 96 charcode = 0; |
95 | 97 |
96 if (m_CharBBox[charcode].left == FX_SMALL_RECT::kInvalid) | 98 if (m_CharBBox[charcode].left == -1) |
97 LoadCharMetrics(charcode); | 99 LoadCharMetrics(charcode); |
98 | 100 |
99 return FX_RECT(m_CharBBox[charcode]); | 101 return m_CharBBox[charcode]; |
100 } | 102 } |
101 | 103 |
102 FX_BOOL CPDF_SimpleFont::LoadCommon() { | 104 FX_BOOL CPDF_SimpleFont::LoadCommon() { |
103 CPDF_Dictionary* pFontDesc = m_pFontDict->GetDictBy("FontDescriptor"); | 105 CPDF_Dictionary* pFontDesc = m_pFontDict->GetDictBy("FontDescriptor"); |
104 if (pFontDesc) { | 106 if (pFontDesc) { |
105 LoadFontDescriptor(pFontDesc); | 107 LoadFontDescriptor(pFontDesc); |
106 } | 108 } |
107 CPDF_Array* pWidthArray = m_pFontDict->GetArrayBy("Widths"); | 109 CPDF_Array* pWidthArray = m_pFontDict->GetArrayBy("Widths"); |
108 m_bUseFontWidth = TRUE; | 110 m_bUseFontWidth = !pWidthArray; |
109 if (pWidthArray) { | 111 if (pWidthArray) { |
110 m_bUseFontWidth = FALSE; | |
111 if (pFontDesc && pFontDesc->KeyExist("MissingWidth")) { | 112 if (pFontDesc && pFontDesc->KeyExist("MissingWidth")) { |
112 int MissingWidth = pFontDesc->GetIntegerBy("MissingWidth"); | 113 int MissingWidth = pFontDesc->GetIntegerBy("MissingWidth"); |
113 for (int i = 0; i < 256; i++) { | 114 for (int i = 0; i < 256; i++) { |
114 m_CharWidth[i] = MissingWidth; | 115 m_CharWidth[i] = MissingWidth; |
115 } | 116 } |
116 } | 117 } |
117 size_t width_start = m_pFontDict->GetIntegerBy("FirstChar", 0); | 118 size_t width_start = m_pFontDict->GetIntegerBy("FirstChar", 0); |
118 size_t width_end = m_pFontDict->GetIntegerBy("LastChar", 0); | 119 size_t width_end = m_pFontDict->GetIntegerBy("LastChar", 0); |
119 if (width_start <= 255) { | 120 if (width_start <= 255) { |
120 if (width_end == 0 || width_end >= width_start + pWidthArray->GetCount()) | 121 if (width_end == 0 || width_end >= width_start + pWidthArray->GetCount()) |
(...skipping 80 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... | |
201 return CFX_WideString(); | 202 return CFX_WideString(); |
202 return ret; | 203 return ret; |
203 } | 204 } |
204 | 205 |
205 uint32_t CPDF_SimpleFont::CharCodeFromUnicode(FX_WCHAR unicode) const { | 206 uint32_t CPDF_SimpleFont::CharCodeFromUnicode(FX_WCHAR unicode) const { |
206 uint32_t ret = CPDF_Font::CharCodeFromUnicode(unicode); | 207 uint32_t ret = CPDF_Font::CharCodeFromUnicode(unicode); |
207 if (ret) | 208 if (ret) |
208 return ret; | 209 return ret; |
209 return m_Encoding.CharCodeFromUnicode(unicode); | 210 return m_Encoding.CharCodeFromUnicode(unicode); |
210 } | 211 } |
OLD | NEW |