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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 <algorithm> | 7 #include <algorithm> |
8 #include <vector> | 8 #include <vector> |
9 | 9 |
10 #include "core/fpdfapi/fpdf_font/include/cpdf_font.h" | 10 #include "core/fpdfapi/fpdf_font/include/cpdf_font.h" |
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110 return; | 110 return; |
111 } | 111 } |
112 CPDF_SimpleParser syntax(m_csDA.AsStringC()); | 112 CPDF_SimpleParser syntax(m_csDA.AsStringC()); |
113 if (syntax.FindTagParamFromStart("Tf", 2)) { | 113 if (syntax.FindTagParamFromStart("Tf", 2)) { |
114 csFontNameTag = CFX_ByteString(syntax.GetWord()); | 114 csFontNameTag = CFX_ByteString(syntax.GetWord()); |
115 csFontNameTag.Delete(0, 1); | 115 csFontNameTag.Delete(0, 1); |
116 fFontSize = FX_atof(syntax.GetWord()); | 116 fFontSize = FX_atof(syntax.GetWord()); |
117 } | 117 } |
118 csFontNameTag = PDF_NameDecode(csFontNameTag); | 118 csFontNameTag = PDF_NameDecode(csFontNameTag); |
119 } | 119 } |
120 FX_BOOL CPDF_DefaultAppearance::HasColor(FX_BOOL bStrokingOperation) { | 120 FX_BOOL CPDF_DefaultAppearance::HasColor(PaintOperation nOperation) { |
121 if (m_csDA.IsEmpty()) { | 121 if (m_csDA.IsEmpty()) { |
122 return FALSE; | 122 return FALSE; |
123 } | 123 } |
124 CPDF_SimpleParser syntax(m_csDA.AsStringC()); | 124 CPDF_SimpleParser syntax(m_csDA.AsStringC()); |
125 if (syntax.FindTagParamFromStart(bStrokingOperation ? "G" : "g", 1)) { | 125 if (syntax.FindTagParamFromStart( |
| 126 (nOperation == PaintOperation::STROKE ? "G" : "g"), 1)) { |
126 return TRUE; | 127 return TRUE; |
127 } | 128 } |
128 if (syntax.FindTagParamFromStart(bStrokingOperation ? "RG" : "rg", 3)) { | 129 if (syntax.FindTagParamFromStart( |
| 130 (nOperation == PaintOperation::STROKE ? "RG" : "rg"), 3)) { |
129 return TRUE; | 131 return TRUE; |
130 } | 132 } |
131 return syntax.FindTagParamFromStart(bStrokingOperation ? "K" : "k", 4); | 133 return syntax.FindTagParamFromStart( |
| 134 (nOperation == PaintOperation::STROKE ? "K" : "k"), 4); |
132 } | 135 } |
133 CFX_ByteString CPDF_DefaultAppearance::GetColorString( | 136 CFX_ByteString CPDF_DefaultAppearance::GetColorString( |
134 FX_BOOL bStrokingOperation) { | 137 PaintOperation nOperation) { |
135 CFX_ByteString csColor; | 138 CFX_ByteString csColor; |
136 if (m_csDA.IsEmpty()) { | 139 if (m_csDA.IsEmpty()) { |
137 return csColor; | 140 return csColor; |
138 } | 141 } |
139 CPDF_SimpleParser syntax(m_csDA.AsStringC()); | 142 CPDF_SimpleParser syntax(m_csDA.AsStringC()); |
140 if (syntax.FindTagParamFromStart(bStrokingOperation ? "G" : "g", 1)) { | 143 if (syntax.FindTagParamFromStart( |
| 144 (nOperation == PaintOperation::STROKE ? "G" : "g"), 1)) { |
141 csColor += syntax.GetWord(); | 145 csColor += syntax.GetWord(); |
142 csColor += " "; | 146 csColor += " "; |
143 csColor += syntax.GetWord(); | 147 csColor += syntax.GetWord(); |
144 return csColor; | 148 return csColor; |
145 } | 149 } |
146 if (syntax.FindTagParamFromStart(bStrokingOperation ? "RG" : "rg", 3)) { | 150 if (syntax.FindTagParamFromStart( |
| 151 (nOperation == PaintOperation::STROKE ? "RG" : "rg"), 3)) { |
147 csColor += syntax.GetWord(); | 152 csColor += syntax.GetWord(); |
148 csColor += " "; | 153 csColor += " "; |
149 csColor += syntax.GetWord(); | 154 csColor += syntax.GetWord(); |
150 csColor += " "; | 155 csColor += " "; |
151 csColor += syntax.GetWord(); | 156 csColor += syntax.GetWord(); |
152 csColor += " "; | 157 csColor += " "; |
153 csColor += syntax.GetWord(); | 158 csColor += syntax.GetWord(); |
154 return csColor; | 159 return csColor; |
155 } | 160 } |
156 if (syntax.FindTagParamFromStart(bStrokingOperation ? "K" : "k", 4)) { | 161 if (syntax.FindTagParamFromStart( |
| 162 (nOperation == PaintOperation::STROKE ? "K" : "k"), 4)) { |
157 csColor += syntax.GetWord(); | 163 csColor += syntax.GetWord(); |
158 csColor += " "; | 164 csColor += " "; |
159 csColor += syntax.GetWord(); | 165 csColor += syntax.GetWord(); |
160 csColor += " "; | 166 csColor += " "; |
161 csColor += syntax.GetWord(); | 167 csColor += syntax.GetWord(); |
162 csColor += " "; | 168 csColor += " "; |
163 csColor += syntax.GetWord(); | 169 csColor += syntax.GetWord(); |
164 csColor += " "; | 170 csColor += " "; |
165 csColor += syntax.GetWord(); | 171 csColor += syntax.GetWord(); |
166 } | 172 } |
167 return csColor; | 173 return csColor; |
168 } | 174 } |
169 void CPDF_DefaultAppearance::GetColor(int& iColorType, | 175 void CPDF_DefaultAppearance::GetColor(int& iColorType, |
170 FX_FLOAT fc[4], | 176 FX_FLOAT fc[4], |
171 FX_BOOL bStrokingOperation) { | 177 PaintOperation nOperation) { |
172 iColorType = COLORTYPE_TRANSPARENT; | 178 iColorType = COLORTYPE_TRANSPARENT; |
173 for (int c = 0; c < 4; c++) { | 179 for (int c = 0; c < 4; c++) { |
174 fc[c] = 0; | 180 fc[c] = 0; |
175 } | 181 } |
176 if (m_csDA.IsEmpty()) { | 182 if (m_csDA.IsEmpty()) { |
177 return; | 183 return; |
178 } | 184 } |
179 CPDF_SimpleParser syntax(m_csDA.AsStringC()); | 185 CPDF_SimpleParser syntax(m_csDA.AsStringC()); |
180 if (syntax.FindTagParamFromStart(bStrokingOperation ? "G" : "g", 1)) { | 186 if (syntax.FindTagParamFromStart( |
| 187 (nOperation == PaintOperation::STROKE ? "G" : "g"), 1)) { |
181 iColorType = COLORTYPE_GRAY; | 188 iColorType = COLORTYPE_GRAY; |
182 fc[0] = FX_atof(syntax.GetWord()); | 189 fc[0] = FX_atof(syntax.GetWord()); |
183 return; | 190 return; |
184 } | 191 } |
185 if (syntax.FindTagParamFromStart(bStrokingOperation ? "RG" : "rg", 3)) { | 192 if (syntax.FindTagParamFromStart( |
| 193 (nOperation == PaintOperation::STROKE ? "RG" : "rg"), 3)) { |
186 iColorType = COLORTYPE_RGB; | 194 iColorType = COLORTYPE_RGB; |
187 fc[0] = FX_atof(syntax.GetWord()); | 195 fc[0] = FX_atof(syntax.GetWord()); |
188 fc[1] = FX_atof(syntax.GetWord()); | 196 fc[1] = FX_atof(syntax.GetWord()); |
189 fc[2] = FX_atof(syntax.GetWord()); | 197 fc[2] = FX_atof(syntax.GetWord()); |
190 return; | 198 return; |
191 } | 199 } |
192 if (syntax.FindTagParamFromStart(bStrokingOperation ? "K" : "k", 4)) { | 200 if (syntax.FindTagParamFromStart( |
| 201 (nOperation == PaintOperation::STROKE ? "K" : "k"), 4)) { |
193 iColorType = COLORTYPE_CMYK; | 202 iColorType = COLORTYPE_CMYK; |
194 fc[0] = FX_atof(syntax.GetWord()); | 203 fc[0] = FX_atof(syntax.GetWord()); |
195 fc[1] = FX_atof(syntax.GetWord()); | 204 fc[1] = FX_atof(syntax.GetWord()); |
196 fc[2] = FX_atof(syntax.GetWord()); | 205 fc[2] = FX_atof(syntax.GetWord()); |
197 fc[3] = FX_atof(syntax.GetWord()); | 206 fc[3] = FX_atof(syntax.GetWord()); |
198 } | 207 } |
199 } | 208 } |
200 void CPDF_DefaultAppearance::GetColor(FX_ARGB& color, | 209 void CPDF_DefaultAppearance::GetColor(FX_ARGB& color, |
201 int& iColorType, | 210 int& iColorType, |
202 FX_BOOL bStrokingOperation) { | 211 PaintOperation nOperation) { |
203 color = 0; | 212 color = 0; |
204 iColorType = COLORTYPE_TRANSPARENT; | 213 iColorType = COLORTYPE_TRANSPARENT; |
205 if (m_csDA.IsEmpty()) { | 214 if (m_csDA.IsEmpty()) { |
206 return; | 215 return; |
207 } | 216 } |
208 CPDF_SimpleParser syntax(m_csDA.AsStringC()); | 217 CPDF_SimpleParser syntax(m_csDA.AsStringC()); |
209 if (syntax.FindTagParamFromStart(bStrokingOperation ? "G" : "g", 1)) { | 218 if (syntax.FindTagParamFromStart( |
| 219 (nOperation == PaintOperation::STROKE ? "G" : "g"), 1)) { |
210 iColorType = COLORTYPE_GRAY; | 220 iColorType = COLORTYPE_GRAY; |
211 FX_FLOAT g = FX_atof(syntax.GetWord()) * 255 + 0.5f; | 221 FX_FLOAT g = FX_atof(syntax.GetWord()) * 255 + 0.5f; |
212 color = ArgbEncode(255, (int)g, (int)g, (int)g); | 222 color = ArgbEncode(255, (int)g, (int)g, (int)g); |
213 return; | 223 return; |
214 } | 224 } |
215 if (syntax.FindTagParamFromStart(bStrokingOperation ? "RG" : "rg", 3)) { | 225 if (syntax.FindTagParamFromStart( |
| 226 (nOperation == PaintOperation::STROKE ? "RG" : "rg"), 3)) { |
216 iColorType = COLORTYPE_RGB; | 227 iColorType = COLORTYPE_RGB; |
217 FX_FLOAT r = FX_atof(syntax.GetWord()) * 255 + 0.5f; | 228 FX_FLOAT r = FX_atof(syntax.GetWord()) * 255 + 0.5f; |
218 FX_FLOAT g = FX_atof(syntax.GetWord()) * 255 + 0.5f; | 229 FX_FLOAT g = FX_atof(syntax.GetWord()) * 255 + 0.5f; |
219 FX_FLOAT b = FX_atof(syntax.GetWord()) * 255 + 0.5f; | 230 FX_FLOAT b = FX_atof(syntax.GetWord()) * 255 + 0.5f; |
220 color = ArgbEncode(255, (int)r, (int)g, (int)b); | 231 color = ArgbEncode(255, (int)r, (int)g, (int)b); |
221 return; | 232 return; |
222 } | 233 } |
223 if (syntax.FindTagParamFromStart(bStrokingOperation ? "K" : "k", 4)) { | 234 if (syntax.FindTagParamFromStart( |
| 235 (nOperation == PaintOperation::STROKE ? "K" : "k"), 4)) { |
224 iColorType = COLORTYPE_CMYK; | 236 iColorType = COLORTYPE_CMYK; |
225 FX_FLOAT c = FX_atof(syntax.GetWord()); | 237 FX_FLOAT c = FX_atof(syntax.GetWord()); |
226 FX_FLOAT m = FX_atof(syntax.GetWord()); | 238 FX_FLOAT m = FX_atof(syntax.GetWord()); |
227 FX_FLOAT y = FX_atof(syntax.GetWord()); | 239 FX_FLOAT y = FX_atof(syntax.GetWord()); |
228 FX_FLOAT k = FX_atof(syntax.GetWord()); | 240 FX_FLOAT k = FX_atof(syntax.GetWord()); |
229 FX_FLOAT r = 1.0f - std::min(1.0f, c + k); | 241 FX_FLOAT r = 1.0f - std::min(1.0f, c + k); |
230 FX_FLOAT g = 1.0f - std::min(1.0f, m + k); | 242 FX_FLOAT g = 1.0f - std::min(1.0f, m + k); |
231 FX_FLOAT b = 1.0f - std::min(1.0f, y + k); | 243 FX_FLOAT b = 1.0f - std::min(1.0f, y + k); |
232 color = ArgbEncode(255, (int)(r * 255 + 0.5f), (int)(g * 255 + 0.5f), | 244 color = ArgbEncode(255, (int)(r * 255 + 0.5f), (int)(g * 255 + 0.5f), |
233 (int)(b * 255 + 0.5f)); | 245 (int)(b * 255 + 0.5f)); |
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749 CPDF_Object* pAttr = pFieldDict->GetDirectObjectBy(name); | 761 CPDF_Object* pAttr = pFieldDict->GetDirectObjectBy(name); |
750 if (pAttr) { | 762 if (pAttr) { |
751 return pAttr; | 763 return pAttr; |
752 } | 764 } |
753 CPDF_Dictionary* pParent = pFieldDict->GetDictBy("Parent"); | 765 CPDF_Dictionary* pParent = pFieldDict->GetDictBy("Parent"); |
754 if (!pParent) { | 766 if (!pParent) { |
755 return nullptr; | 767 return nullptr; |
756 } | 768 } |
757 return FPDF_GetFieldAttr(pParent, name, nLevel + 1); | 769 return FPDF_GetFieldAttr(pParent, name, nLevel + 1); |
758 } | 770 } |
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