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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_page/cpdf_allstates.h" | 7 #include "core/fpdfapi/fpdf_page/cpdf_allstates.h" |
8 | 8 |
9 #include "core/fpdfapi/fpdf_page/pageint.h" | 9 #include "core/fpdfapi/fpdf_page/pageint.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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38 m_TextLineX = src.m_TextLineX; | 38 m_TextLineX = src.m_TextLineX; |
39 m_TextLineY = src.m_TextLineY; | 39 m_TextLineY = src.m_TextLineY; |
40 m_TextLeading = src.m_TextLeading; | 40 m_TextLeading = src.m_TextLeading; |
41 m_TextRise = src.m_TextRise; | 41 m_TextRise = src.m_TextRise; |
42 m_TextHorzScale = src.m_TextHorzScale; | 42 m_TextHorzScale = src.m_TextHorzScale; |
43 } | 43 } |
44 | 44 |
45 void CPDF_AllStates::SetLineDash(CPDF_Array* pArray, | 45 void CPDF_AllStates::SetLineDash(CPDF_Array* pArray, |
46 FX_FLOAT phase, | 46 FX_FLOAT phase, |
47 FX_FLOAT scale) { | 47 FX_FLOAT scale) { |
48 m_GraphState.MakePrivateCopy(); | 48 CFX_GraphStateData* pData = m_GraphState.GetPrivateCopy(); |
49 m_GraphState->m_DashPhase = phase * scale; | 49 pData->m_DashPhase = phase * scale; |
50 m_GraphState->SetDashCount(static_cast<int>(pArray->GetCount())); | 50 pData->SetDashCount(static_cast<int>(pArray->GetCount())); |
51 for (size_t i = 0; i < pArray->GetCount(); i++) | 51 for (size_t i = 0; i < pArray->GetCount(); i++) |
52 m_GraphState->m_DashArray[i] = pArray->GetNumberAt(i) * scale; | 52 pData->m_DashArray[i] = pArray->GetNumberAt(i) * scale; |
53 } | 53 } |
54 | 54 |
55 void CPDF_AllStates::ProcessExtGS(CPDF_Dictionary* pGS, | 55 void CPDF_AllStates::ProcessExtGS(CPDF_Dictionary* pGS, |
56 CPDF_StreamContentParser* pParser) { | 56 CPDF_StreamContentParser* pParser) { |
57 m_GeneralState.MakePrivateCopy(); | 57 CPDF_GeneralStateData* pGeneralState = m_GeneralState.GetPrivateCopy(); |
58 for (const auto& it : *pGS) { | 58 for (const auto& it : *pGS) { |
59 const CFX_ByteString& key_str = it.first; | 59 const CFX_ByteString& key_str = it.first; |
60 CPDF_Object* pElement = it.second; | 60 CPDF_Object* pElement = it.second; |
61 CPDF_Object* pObject = pElement ? pElement->GetDirect() : nullptr; | 61 CPDF_Object* pObject = pElement ? pElement->GetDirect() : nullptr; |
62 if (!pObject) | 62 if (!pObject) |
63 continue; | 63 continue; |
64 | 64 |
65 uint32_t key = key_str.GetID(); | 65 uint32_t key = key_str.GetID(); |
66 switch (key) { | 66 switch (key) { |
67 case FXBSTR_ID('L', 'W', 0, 0): | 67 case FXBSTR_ID('L', 'W', 0, 0): |
68 m_GraphState.MakePrivateCopy(); | 68 m_GraphState.GetPrivateCopy()->m_LineWidth = pObject->GetNumber(); |
69 m_GraphState->m_LineWidth = pObject->GetNumber(); | |
70 break; | 69 break; |
71 case FXBSTR_ID('L', 'C', 0, 0): | 70 case FXBSTR_ID('L', 'C', 0, 0): |
72 m_GraphState.MakePrivateCopy(); | 71 m_GraphState.GetPrivateCopy()->m_LineCap = |
73 m_GraphState->m_LineCap = | 72 (CFX_GraphStateData::LineCap)pObject->GetInteger(); |
74 static_cast<CFX_GraphStateData::LineCap>(pObject->GetInteger()); | |
75 break; | 73 break; |
76 case FXBSTR_ID('L', 'J', 0, 0): | 74 case FXBSTR_ID('L', 'J', 0, 0): |
77 m_GraphState.MakePrivateCopy(); | 75 m_GraphState.GetPrivateCopy()->m_LineJoin = |
78 m_GraphState->m_LineJoin = | 76 (CFX_GraphStateData::LineJoin)pObject->GetInteger(); |
79 static_cast<CFX_GraphStateData::LineJoin>(pObject->GetInteger()); | |
80 break; | 77 break; |
81 case FXBSTR_ID('M', 'L', 0, 0): | 78 case FXBSTR_ID('M', 'L', 0, 0): |
82 m_GraphState.MakePrivateCopy(); | 79 m_GraphState.GetPrivateCopy()->m_MiterLimit = pObject->GetNumber(); |
83 m_GraphState->m_MiterLimit = pObject->GetNumber(); | |
84 break; | 80 break; |
85 case FXBSTR_ID('D', 0, 0, 0): { | 81 case FXBSTR_ID('D', 0, 0, 0): { |
86 CPDF_Array* pDash = pObject->AsArray(); | 82 CPDF_Array* pDash = pObject->AsArray(); |
87 if (!pDash) | 83 if (!pDash) |
88 break; | 84 break; |
89 | 85 |
90 CPDF_Array* pArray = pDash->GetArrayAt(0); | 86 CPDF_Array* pArray = pDash->GetArrayAt(0); |
91 if (!pArray) | 87 if (!pArray) |
92 break; | 88 break; |
93 | 89 |
94 SetLineDash(pArray, pDash->GetNumberAt(1), 1.0f); | 90 SetLineDash(pArray, pDash->GetNumberAt(1), 1.0f); |
95 break; | 91 break; |
96 } | 92 } |
97 case FXBSTR_ID('R', 'I', 0, 0): | 93 case FXBSTR_ID('R', 'I', 0, 0): |
98 m_GeneralState.SetRenderIntent(pObject->GetString()); | 94 m_GeneralState.SetRenderIntent(pObject->GetString()); |
99 break; | 95 break; |
100 case FXBSTR_ID('F', 'o', 'n', 't'): { | 96 case FXBSTR_ID('F', 'o', 'n', 't'): { |
101 CPDF_Array* pFont = pObject->AsArray(); | 97 CPDF_Array* pFont = pObject->AsArray(); |
102 if (!pFont) | 98 if (!pFont) |
103 break; | 99 break; |
104 | 100 |
105 m_TextState.MakePrivateCopy(); | 101 m_TextState.GetPrivateCopy()->m_FontSize = pFont->GetNumberAt(1); |
106 m_TextState->m_FontSize = pFont->GetNumberAt(1); | |
107 m_TextState.SetFont(pParser->FindFont(pFont->GetStringAt(0))); | 102 m_TextState.SetFont(pParser->FindFont(pFont->GetStringAt(0))); |
108 break; | 103 break; |
109 } | 104 } |
110 case FXBSTR_ID('T', 'R', 0, 0): | 105 case FXBSTR_ID('T', 'R', 0, 0): |
111 if (pGS->KeyExist("TR2")) { | 106 if (pGS->KeyExist("TR2")) { |
112 continue; | 107 continue; |
113 } | 108 } |
114 case FXBSTR_ID('T', 'R', '2', 0): | 109 case FXBSTR_ID('T', 'R', '2', 0): |
115 m_GeneralState->m_pTR = | 110 pGeneralState->m_pTR = |
116 (pObject && !pObject->IsName()) ? pObject : nullptr; | 111 (pObject && !pObject->IsName()) ? pObject : nullptr; |
117 break; | 112 break; |
118 case FXBSTR_ID('B', 'M', 0, 0): { | 113 case FXBSTR_ID('B', 'M', 0, 0): { |
119 CPDF_Array* pArray = pObject->AsArray(); | 114 CPDF_Array* pArray = pObject->AsArray(); |
120 CFX_ByteString mode = | 115 CFX_ByteString mode = |
121 pArray ? pArray->GetStringAt(0) : pObject->GetString(); | 116 pArray ? pArray->GetStringAt(0) : pObject->GetString(); |
122 | 117 |
123 m_GeneralState->SetBlendMode(mode.AsStringC()); | 118 pGeneralState->SetBlendMode(mode.AsStringC()); |
124 if (m_GeneralState->m_BlendType > FXDIB_BLEND_MULTIPLY) { | 119 if (pGeneralState->m_BlendType > FXDIB_BLEND_MULTIPLY) { |
125 pParser->GetPageObjectHolder()->SetBackgroundAlphaNeeded(TRUE); | 120 pParser->GetPageObjectHolder()->SetBackgroundAlphaNeeded(TRUE); |
126 } | 121 } |
127 break; | 122 break; |
128 } | 123 } |
129 case FXBSTR_ID('S', 'M', 'a', 's'): | 124 case FXBSTR_ID('S', 'M', 'a', 's'): |
130 if (ToDictionary(pObject)) { | 125 if (ToDictionary(pObject)) { |
131 m_GeneralState->m_pSoftMask = pObject; | 126 pGeneralState->m_pSoftMask = pObject; |
132 FXSYS_memcpy(m_GeneralState->m_SMaskMatrix, | 127 FXSYS_memcpy(pGeneralState->m_SMaskMatrix, |
133 &pParser->GetCurStates()->m_CTM, sizeof(CFX_Matrix)); | 128 &pParser->GetCurStates()->m_CTM, sizeof(CFX_Matrix)); |
134 } else { | 129 } else { |
135 m_GeneralState->m_pSoftMask = nullptr; | 130 pGeneralState->m_pSoftMask = nullptr; |
136 } | 131 } |
137 break; | 132 break; |
138 case FXBSTR_ID('C', 'A', 0, 0): | 133 case FXBSTR_ID('C', 'A', 0, 0): |
139 m_GeneralState->m_StrokeAlpha = ClipFloat(pObject->GetNumber()); | 134 pGeneralState->m_StrokeAlpha = ClipFloat(pObject->GetNumber()); |
140 break; | 135 break; |
141 case FXBSTR_ID('c', 'a', 0, 0): | 136 case FXBSTR_ID('c', 'a', 0, 0): |
142 m_GeneralState->m_FillAlpha = ClipFloat(pObject->GetNumber()); | 137 pGeneralState->m_FillAlpha = ClipFloat(pObject->GetNumber()); |
143 break; | 138 break; |
144 case FXBSTR_ID('O', 'P', 0, 0): | 139 case FXBSTR_ID('O', 'P', 0, 0): |
145 m_GeneralState->m_StrokeOP = pObject->GetInteger(); | 140 pGeneralState->m_StrokeOP = pObject->GetInteger(); |
146 if (!pGS->KeyExist("op")) { | 141 if (!pGS->KeyExist("op")) { |
147 m_GeneralState->m_FillOP = pObject->GetInteger(); | 142 pGeneralState->m_FillOP = pObject->GetInteger(); |
148 } | 143 } |
149 break; | 144 break; |
150 case FXBSTR_ID('o', 'p', 0, 0): | 145 case FXBSTR_ID('o', 'p', 0, 0): |
151 m_GeneralState->m_FillOP = pObject->GetInteger(); | 146 pGeneralState->m_FillOP = pObject->GetInteger(); |
152 break; | 147 break; |
153 case FXBSTR_ID('O', 'P', 'M', 0): | 148 case FXBSTR_ID('O', 'P', 'M', 0): |
154 m_GeneralState->m_OPMode = pObject->GetInteger(); | 149 pGeneralState->m_OPMode = pObject->GetInteger(); |
155 break; | 150 break; |
156 case FXBSTR_ID('B', 'G', 0, 0): | 151 case FXBSTR_ID('B', 'G', 0, 0): |
157 if (pGS->KeyExist("BG2")) { | 152 if (pGS->KeyExist("BG2")) { |
158 continue; | 153 continue; |
159 } | 154 } |
160 case FXBSTR_ID('B', 'G', '2', 0): | 155 case FXBSTR_ID('B', 'G', '2', 0): |
161 m_GeneralState->m_pBG = pObject; | 156 pGeneralState->m_pBG = pObject; |
162 break; | 157 break; |
163 case FXBSTR_ID('U', 'C', 'R', 0): | 158 case FXBSTR_ID('U', 'C', 'R', 0): |
164 if (pGS->KeyExist("UCR2")) { | 159 if (pGS->KeyExist("UCR2")) { |
165 continue; | 160 continue; |
166 } | 161 } |
167 case FXBSTR_ID('U', 'C', 'R', '2'): | 162 case FXBSTR_ID('U', 'C', 'R', '2'): |
168 m_GeneralState->m_pUCR = pObject; | 163 pGeneralState->m_pUCR = pObject; |
169 break; | 164 break; |
170 case FXBSTR_ID('H', 'T', 0, 0): | 165 case FXBSTR_ID('H', 'T', 0, 0): |
171 m_GeneralState->m_pHT = pObject; | 166 pGeneralState->m_pHT = pObject; |
172 break; | 167 break; |
173 case FXBSTR_ID('F', 'L', 0, 0): | 168 case FXBSTR_ID('F', 'L', 0, 0): |
174 m_GeneralState->m_Flatness = pObject->GetNumber(); | 169 pGeneralState->m_Flatness = pObject->GetNumber(); |
175 break; | 170 break; |
176 case FXBSTR_ID('S', 'M', 0, 0): | 171 case FXBSTR_ID('S', 'M', 0, 0): |
177 m_GeneralState->m_Smoothness = pObject->GetNumber(); | 172 pGeneralState->m_Smoothness = pObject->GetNumber(); |
178 break; | 173 break; |
179 case FXBSTR_ID('S', 'A', 0, 0): | 174 case FXBSTR_ID('S', 'A', 0, 0): |
180 m_GeneralState->m_StrokeAdjust = pObject->GetInteger(); | 175 pGeneralState->m_StrokeAdjust = pObject->GetInteger(); |
181 break; | 176 break; |
182 case FXBSTR_ID('A', 'I', 'S', 0): | 177 case FXBSTR_ID('A', 'I', 'S', 0): |
183 m_GeneralState->m_AlphaSource = pObject->GetInteger(); | 178 pGeneralState->m_AlphaSource = pObject->GetInteger(); |
184 break; | 179 break; |
185 case FXBSTR_ID('T', 'K', 0, 0): | 180 case FXBSTR_ID('T', 'K', 0, 0): |
186 m_GeneralState->m_TextKnockout = pObject->GetInteger(); | 181 pGeneralState->m_TextKnockout = pObject->GetInteger(); |
187 break; | 182 break; |
188 } | 183 } |
189 } | 184 } |
190 m_GeneralState->m_Matrix = m_CTM; | 185 pGeneralState->m_Matrix = m_CTM; |
191 } | 186 } |
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