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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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