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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/fpdfdoc/cpdf_defaultappearance.h" | 7 #include "core/fpdfdoc/cpdf_defaultappearance.h" |
8 | 8 |
9 #include "core/fpdfapi/parser/cpdf_simple_parser.h" | 9 #include "core/fpdfapi/parser/cpdf_simple_parser.h" |
10 #include "core/fpdfapi/parser/fpdf_parser_decode.h" | 10 #include "core/fpdfapi/parser/fpdf_parser_decode.h" |
11 #include "core/fpdfdoc/cpdf_formcontrol.h" | 11 #include "core/fpdfdoc/cpdf_formcontrol.h" |
12 | 12 |
13 FX_BOOL CPDF_DefaultAppearance::HasFont() { | 13 bool CPDF_DefaultAppearance::HasFont() { |
14 if (m_csDA.IsEmpty()) | 14 if (m_csDA.IsEmpty()) |
15 return FALSE; | 15 return false; |
16 | 16 |
17 CPDF_SimpleParser syntax(m_csDA.AsStringC()); | 17 CPDF_SimpleParser syntax(m_csDA.AsStringC()); |
18 return syntax.FindTagParamFromStart("Tf", 2); | 18 return syntax.FindTagParamFromStart("Tf", 2); |
19 } | 19 } |
20 | 20 |
21 CFX_ByteString CPDF_DefaultAppearance::GetFontString() { | 21 CFX_ByteString CPDF_DefaultAppearance::GetFontString() { |
22 CFX_ByteString csFont; | 22 CFX_ByteString csFont; |
23 if (m_csDA.IsEmpty()) | 23 if (m_csDA.IsEmpty()) |
24 return csFont; | 24 return csFont; |
25 | 25 |
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43 | 43 |
44 CPDF_SimpleParser syntax(m_csDA.AsStringC()); | 44 CPDF_SimpleParser syntax(m_csDA.AsStringC()); |
45 if (syntax.FindTagParamFromStart("Tf", 2)) { | 45 if (syntax.FindTagParamFromStart("Tf", 2)) { |
46 csFontNameTag = CFX_ByteString(syntax.GetWord()); | 46 csFontNameTag = CFX_ByteString(syntax.GetWord()); |
47 csFontNameTag.Delete(0, 1); | 47 csFontNameTag.Delete(0, 1); |
48 fFontSize = FX_atof(syntax.GetWord()); | 48 fFontSize = FX_atof(syntax.GetWord()); |
49 } | 49 } |
50 csFontNameTag = PDF_NameDecode(csFontNameTag); | 50 csFontNameTag = PDF_NameDecode(csFontNameTag); |
51 } | 51 } |
52 | 52 |
53 FX_BOOL CPDF_DefaultAppearance::HasColor(PaintOperation nOperation) { | 53 bool CPDF_DefaultAppearance::HasColor(PaintOperation nOperation) { |
54 if (m_csDA.IsEmpty()) | 54 if (m_csDA.IsEmpty()) |
55 return FALSE; | 55 return false; |
56 | 56 |
57 CPDF_SimpleParser syntax(m_csDA.AsStringC()); | 57 CPDF_SimpleParser syntax(m_csDA.AsStringC()); |
58 if (syntax.FindTagParamFromStart( | 58 if (syntax.FindTagParamFromStart( |
59 (nOperation == PaintOperation::STROKE ? "G" : "g"), 1)) { | 59 (nOperation == PaintOperation::STROKE ? "G" : "g"), 1)) { |
60 return TRUE; | 60 return true; |
61 } | 61 } |
62 if (syntax.FindTagParamFromStart( | 62 if (syntax.FindTagParamFromStart( |
63 (nOperation == PaintOperation::STROKE ? "RG" : "rg"), 3)) { | 63 (nOperation == PaintOperation::STROKE ? "RG" : "rg"), 3)) { |
64 return TRUE; | 64 return true; |
65 } | 65 } |
66 return syntax.FindTagParamFromStart( | 66 return syntax.FindTagParamFromStart( |
67 (nOperation == PaintOperation::STROKE ? "K" : "k"), 4); | 67 (nOperation == PaintOperation::STROKE ? "K" : "k"), 4); |
68 } | 68 } |
69 | 69 |
70 CFX_ByteString CPDF_DefaultAppearance::GetColorString( | 70 CFX_ByteString CPDF_DefaultAppearance::GetColorString( |
71 PaintOperation nOperation) { | 71 PaintOperation nOperation) { |
72 CFX_ByteString csColor; | 72 CFX_ByteString csColor; |
73 if (m_csDA.IsEmpty()) | 73 if (m_csDA.IsEmpty()) |
74 return csColor; | 74 return csColor; |
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175 FX_FLOAT y = FX_atof(syntax.GetWord()); | 175 FX_FLOAT y = FX_atof(syntax.GetWord()); |
176 FX_FLOAT k = FX_atof(syntax.GetWord()); | 176 FX_FLOAT k = FX_atof(syntax.GetWord()); |
177 FX_FLOAT r = 1.0f - std::min(1.0f, c + k); | 177 FX_FLOAT r = 1.0f - std::min(1.0f, c + k); |
178 FX_FLOAT g = 1.0f - std::min(1.0f, m + k); | 178 FX_FLOAT g = 1.0f - std::min(1.0f, m + k); |
179 FX_FLOAT b = 1.0f - std::min(1.0f, y + k); | 179 FX_FLOAT b = 1.0f - std::min(1.0f, y + k); |
180 color = ArgbEncode(255, (int)(r * 255 + 0.5f), (int)(g * 255 + 0.5f), | 180 color = ArgbEncode(255, (int)(r * 255 + 0.5f), (int)(g * 255 + 0.5f), |
181 (int)(b * 255 + 0.5f)); | 181 (int)(b * 255 + 0.5f)); |
182 } | 182 } |
183 } | 183 } |
184 | 184 |
185 FX_BOOL CPDF_DefaultAppearance::HasTextMatrix() { | 185 bool CPDF_DefaultAppearance::HasTextMatrix() { |
186 if (m_csDA.IsEmpty()) | 186 if (m_csDA.IsEmpty()) |
187 return FALSE; | 187 return false; |
188 | 188 |
189 CPDF_SimpleParser syntax(m_csDA.AsStringC()); | 189 CPDF_SimpleParser syntax(m_csDA.AsStringC()); |
190 return syntax.FindTagParamFromStart("Tm", 6); | 190 return syntax.FindTagParamFromStart("Tm", 6); |
191 } | 191 } |
192 | 192 |
193 CFX_ByteString CPDF_DefaultAppearance::GetTextMatrixString() { | 193 CFX_ByteString CPDF_DefaultAppearance::GetTextMatrixString() { |
194 CFX_ByteString csTM; | 194 CFX_ByteString csTM; |
195 if (m_csDA.IsEmpty()) | 195 if (m_csDA.IsEmpty()) |
196 return csTM; | 196 return csTM; |
197 | 197 |
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213 | 213 |
214 CPDF_SimpleParser syntax(m_csDA.AsStringC()); | 214 CPDF_SimpleParser syntax(m_csDA.AsStringC()); |
215 if (syntax.FindTagParamFromStart("Tm", 6)) { | 215 if (syntax.FindTagParamFromStart("Tm", 6)) { |
216 FX_FLOAT f[6]; | 216 FX_FLOAT f[6]; |
217 for (int i = 0; i < 6; i++) | 217 for (int i = 0; i < 6; i++) |
218 f[i] = FX_atof(syntax.GetWord()); | 218 f[i] = FX_atof(syntax.GetWord()); |
219 tm.Set(f[0], f[1], f[2], f[3], f[4], f[5]); | 219 tm.Set(f[0], f[1], f[2], f[3], f[4], f[5]); |
220 } | 220 } |
221 return tm; | 221 return tm; |
222 } | 222 } |
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