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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/include/cpdf_annot.h" | 7 #include "core/fpdfdoc/include/cpdf_annot.h" |
8 | 8 |
9 #include "core/fpdfapi/fpdf_page/include/cpdf_form.h" | 9 #include "core/fpdfapi/fpdf_page/include/cpdf_form.h" |
10 #include "core/fpdfapi/fpdf_page/include/cpdf_page.h" | 10 #include "core/fpdfapi/fpdf_page/include/cpdf_page.h" |
11 #include "core/fpdfapi/fpdf_parser/include/cpdf_array.h" | 11 #include "core/fpdfapi/fpdf_parser/include/cpdf_array.h" |
12 #include "core/fpdfapi/fpdf_parser/include/cpdf_document.h" | 12 #include "core/fpdfapi/fpdf_parser/include/cpdf_document.h" |
13 #include "core/fpdfapi/fpdf_render/include/cpdf_rendercontext.h" | 13 #include "core/fpdfapi/fpdf_render/include/cpdf_rendercontext.h" |
14 #include "core/fpdfapi/fpdf_render/include/cpdf_renderoptions.h" | 14 #include "core/fpdfapi/fpdf_render/include/cpdf_renderoptions.h" |
15 #include "core/fpdfdoc/cpvt_generateap.h" | 15 #include "core/fpdfdoc/cpvt_generateap.h" |
16 #include "core/fxcrt/include/fx_memory.h" | 16 #include "core/fxcrt/include/fx_memory.h" |
17 #include "core/fxge/include/cfx_graphstatedata.h" | 17 #include "core/fxge/include/cfx_graphstatedata.h" |
18 #include "core/fxge/include/cfx_pathdata.h" | 18 #include "core/fxge/include/cfx_pathdata.h" |
19 #include "core/fxge/include/cfx_renderdevice.h" | 19 #include "core/fxge/include/cfx_renderdevice.h" |
20 | 20 |
21 namespace { | 21 namespace { |
22 | 22 |
| 23 char kPDFiumKey_HasGeneratedAP[] = "PDFIUM_HasGeneratedAP"; |
| 24 |
| 25 bool IsTextMarkupAnnotation(CPDF_Annot::Subtype type) { |
| 26 return type == CPDF_Annot::Subtype::HIGHLIGHT || |
| 27 type == CPDF_Annot::Subtype::SQUIGGLY || |
| 28 type == CPDF_Annot::Subtype::STRIKEOUT || |
| 29 type == CPDF_Annot::Subtype::UNDERLINE; |
| 30 } |
| 31 |
23 bool ShouldGenerateAPForAnnotation(CPDF_Dictionary* pAnnotDict) { | 32 bool ShouldGenerateAPForAnnotation(CPDF_Dictionary* pAnnotDict) { |
24 // If AP dictionary exists, we use the appearance defined in the | 33 // If AP dictionary exists, we use the appearance defined in the |
25 // existing AP dictionary. | 34 // existing AP dictionary. |
26 if (pAnnotDict->KeyExist("AP")) | 35 if (pAnnotDict->KeyExist("AP")) |
27 return false; | 36 return false; |
28 | 37 |
29 return !CPDF_Annot::IsAnnotationHidden(pAnnotDict); | 38 return !CPDF_Annot::IsAnnotationHidden(pAnnotDict); |
30 } | 39 } |
31 | 40 |
32 } // namespace | 41 } // namespace |
33 | 42 |
34 CPDF_Annot::CPDF_Annot(CPDF_Dictionary* pDict, | 43 CPDF_Annot::CPDF_Annot(CPDF_Dictionary* pDict, |
35 CPDF_Document* pDocument, | 44 CPDF_Document* pDocument, |
36 bool bToOwnDict) | 45 bool bToOwnDict) |
37 : m_bOwnedAnnotDict(bToOwnDict), | 46 : m_bOwnedAnnotDict(bToOwnDict), |
38 m_pAnnotDict(pDict), | 47 m_pAnnotDict(pDict), |
39 m_pDocument(pDocument), | 48 m_pDocument(pDocument), |
40 m_bOpenState(false), | 49 m_bOpenState(false), |
41 m_pPopupAnnot(nullptr) { | 50 m_pPopupAnnot(nullptr) { |
42 m_nSubtype = StringToAnnotSubtype(m_pAnnotDict->GetStringFor("Subtype")); | 51 m_nSubtype = StringToAnnotSubtype(m_pAnnotDict->GetStringFor("Subtype")); |
| 52 m_bIsTextMarkupAnnotation = IsTextMarkupAnnotation(m_nSubtype); |
| 53 m_bHasGeneratedAP = m_pAnnotDict->GetBooleanFor(kPDFiumKey_HasGeneratedAP); |
43 GenerateAPIfNeeded(); | 54 GenerateAPIfNeeded(); |
44 } | 55 } |
45 | 56 |
46 CPDF_Annot::~CPDF_Annot() { | 57 CPDF_Annot::~CPDF_Annot() { |
47 if (m_bOwnedAnnotDict) | 58 if (m_bOwnedAnnotDict) |
48 m_pAnnotDict->Release(); | 59 m_pAnnotDict->Release(); |
49 ClearCachedAP(); | 60 ClearCachedAP(); |
50 } | 61 } |
51 | 62 |
52 void CPDF_Annot::GenerateAPIfNeeded() { | 63 void CPDF_Annot::GenerateAPIfNeeded() { |
53 if (!ShouldGenerateAPForAnnotation(m_pAnnotDict)) | 64 if (!ShouldGenerateAPForAnnotation(m_pAnnotDict)) |
54 return; | 65 return; |
55 | 66 |
| 67 bool result = false; |
56 if (m_nSubtype == CPDF_Annot::Subtype::CIRCLE) | 68 if (m_nSubtype == CPDF_Annot::Subtype::CIRCLE) |
57 CPVT_GenerateAP::GenerateCircleAP(m_pDocument, m_pAnnotDict); | 69 result = CPVT_GenerateAP::GenerateCircleAP(m_pDocument, m_pAnnotDict); |
58 else if (m_nSubtype == CPDF_Annot::Subtype::HIGHLIGHT) | 70 else if (m_nSubtype == CPDF_Annot::Subtype::HIGHLIGHT) |
59 CPVT_GenerateAP::GenerateHighlightAP(m_pDocument, m_pAnnotDict); | 71 result = CPVT_GenerateAP::GenerateHighlightAP(m_pDocument, m_pAnnotDict); |
60 else if (m_nSubtype == CPDF_Annot::Subtype::INK) | 72 else if (m_nSubtype == CPDF_Annot::Subtype::INK) |
61 CPVT_GenerateAP::GenerateInkAP(m_pDocument, m_pAnnotDict); | 73 result = CPVT_GenerateAP::GenerateInkAP(m_pDocument, m_pAnnotDict); |
62 else if (m_nSubtype == CPDF_Annot::Subtype::POPUP) | 74 else if (m_nSubtype == CPDF_Annot::Subtype::POPUP) |
63 CPVT_GenerateAP::GeneratePopupAP(m_pDocument, m_pAnnotDict); | 75 result = CPVT_GenerateAP::GeneratePopupAP(m_pDocument, m_pAnnotDict); |
64 else if (m_nSubtype == CPDF_Annot::Subtype::SQUARE) | 76 else if (m_nSubtype == CPDF_Annot::Subtype::SQUARE) |
65 CPVT_GenerateAP::GenerateSquareAP(m_pDocument, m_pAnnotDict); | 77 result = CPVT_GenerateAP::GenerateSquareAP(m_pDocument, m_pAnnotDict); |
66 else if (m_nSubtype == CPDF_Annot::Subtype::SQUIGGLY) | 78 else if (m_nSubtype == CPDF_Annot::Subtype::SQUIGGLY) |
67 CPVT_GenerateAP::GenerateSquigglyAP(m_pDocument, m_pAnnotDict); | 79 result = CPVT_GenerateAP::GenerateSquigglyAP(m_pDocument, m_pAnnotDict); |
68 else if (m_nSubtype == CPDF_Annot::Subtype::STRIKEOUT) | 80 else if (m_nSubtype == CPDF_Annot::Subtype::STRIKEOUT) |
69 CPVT_GenerateAP::GenerateStrikeOutAP(m_pDocument, m_pAnnotDict); | 81 result = CPVT_GenerateAP::GenerateStrikeOutAP(m_pDocument, m_pAnnotDict); |
70 else if (m_nSubtype == CPDF_Annot::Subtype::TEXT) | 82 else if (m_nSubtype == CPDF_Annot::Subtype::TEXT) |
71 CPVT_GenerateAP::GenerateTextAP(m_pDocument, m_pAnnotDict); | 83 result = CPVT_GenerateAP::GenerateTextAP(m_pDocument, m_pAnnotDict); |
72 else if (m_nSubtype == CPDF_Annot::Subtype::UNDERLINE) | 84 else if (m_nSubtype == CPDF_Annot::Subtype::UNDERLINE) |
73 CPVT_GenerateAP::GenerateUnderlineAP(m_pDocument, m_pAnnotDict); | 85 result = CPVT_GenerateAP::GenerateUnderlineAP(m_pDocument, m_pAnnotDict); |
| 86 |
| 87 if (result) { |
| 88 m_pAnnotDict->SetBooleanFor(kPDFiumKey_HasGeneratedAP, result); |
| 89 m_bHasGeneratedAP = result; |
| 90 } |
74 } | 91 } |
75 | 92 |
76 bool CPDF_Annot::ShouldDrawAnnotation() { | 93 bool CPDF_Annot::ShouldDrawAnnotation() { |
77 if (IsAnnotationHidden(m_pAnnotDict)) | 94 if (IsAnnotationHidden(m_pAnnotDict)) |
78 return false; | 95 return false; |
79 | 96 |
80 if (m_nSubtype == CPDF_Annot::Subtype::POPUP && !m_bOpenState) | 97 if (m_nSubtype == CPDF_Annot::Subtype::POPUP && !m_bOpenState) |
81 return false; | 98 return false; |
82 | 99 |
83 return true; | 100 return true; |
84 } | 101 } |
85 | 102 |
86 void CPDF_Annot::ClearCachedAP() { | 103 void CPDF_Annot::ClearCachedAP() { |
87 m_APMap.clear(); | 104 m_APMap.clear(); |
88 } | 105 } |
89 | 106 |
90 CPDF_Annot::Subtype CPDF_Annot::GetSubtype() const { | 107 CPDF_Annot::Subtype CPDF_Annot::GetSubtype() const { |
91 return m_nSubtype; | 108 return m_nSubtype; |
92 } | 109 } |
93 | 110 |
| 111 CFX_FloatRect CPDF_Annot::RectForDrawing() const { |
| 112 if (!m_pAnnotDict) |
| 113 return CFX_FloatRect(); |
| 114 |
| 115 bool bShouldUseQuadPointsCoords = |
| 116 m_bIsTextMarkupAnnotation && m_bHasGeneratedAP; |
| 117 if (bShouldUseQuadPointsCoords) |
| 118 return RectFromQuadPoints(m_pAnnotDict); |
| 119 |
| 120 return m_pAnnotDict->GetRectFor("Rect"); |
| 121 } |
| 122 |
94 CFX_FloatRect CPDF_Annot::GetRect() const { | 123 CFX_FloatRect CPDF_Annot::GetRect() const { |
95 if (!m_pAnnotDict) | 124 if (!m_pAnnotDict) |
96 return CFX_FloatRect(); | 125 return CFX_FloatRect(); |
97 | 126 |
98 CFX_FloatRect rect = m_pAnnotDict->GetRectFor("Rect"); | 127 CFX_FloatRect rect = RectForDrawing(); |
99 rect.Normalize(); | 128 rect.Normalize(); |
100 return rect; | 129 return rect; |
101 } | 130 } |
102 | 131 |
103 uint32_t CPDF_Annot::GetFlags() const { | 132 uint32_t CPDF_Annot::GetFlags() const { |
104 return m_pAnnotDict->GetIntegerFor("F"); | 133 return m_pAnnotDict->GetIntegerFor("F"); |
105 } | 134 } |
106 | 135 |
107 CPDF_Stream* FPDFDOC_GetAnnotAP(CPDF_Dictionary* pAnnotDict, | 136 CPDF_Stream* FPDFDOC_GetAnnotAP(CPDF_Dictionary* pAnnotDict, |
108 CPDF_Annot::AppearanceMode mode) { | 137 CPDF_Annot::AppearanceMode mode) { |
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169 } | 198 } |
170 CFX_FloatRect form_bbox = pForm->m_pFormDict->GetRectFor("BBox"); | 199 CFX_FloatRect form_bbox = pForm->m_pFormDict->GetRectFor("BBox"); |
171 CFX_Matrix form_matrix = pForm->m_pFormDict->GetMatrixFor("Matrix"); | 200 CFX_Matrix form_matrix = pForm->m_pFormDict->GetMatrixFor("Matrix"); |
172 form_matrix.TransformRect(form_bbox); | 201 form_matrix.TransformRect(form_bbox); |
173 matrix.MatchRect(pAnnot->GetRect(), form_bbox); | 202 matrix.MatchRect(pAnnot->GetRect(), form_bbox); |
174 matrix.Concat(*pUser2Device); | 203 matrix.Concat(*pUser2Device); |
175 return pForm; | 204 return pForm; |
176 } | 205 } |
177 | 206 |
178 // Static. | 207 // Static. |
| 208 CFX_FloatRect CPDF_Annot::RectFromQuadPoints(CPDF_Dictionary* pAnnotDict) { |
| 209 CPDF_Array* pArray = pAnnotDict->GetArrayFor("QuadPoints"); |
| 210 if (!pArray) |
| 211 return CFX_FloatRect(); |
| 212 |
| 213 // QuadPoints are defined with 4 pairs of numbers |
| 214 // ([ pair0, pair1, pair2, pair3 ]), where |
| 215 // pair0 = top_left |
| 216 // pair1 = top_right |
| 217 // pair2 = bottom_left |
| 218 // pair3 = bottom_right |
| 219 // |
| 220 // On the other hand, /Rect is define as 2 pairs [pair0, pair1] where: |
| 221 // pair0 = bottom_left |
| 222 // pair1 = top_right. |
| 223 return CFX_FloatRect(pArray->GetNumberAt(4), pArray->GetNumberAt(5), |
| 224 pArray->GetNumberAt(2), pArray->GetNumberAt(3)); |
| 225 } |
| 226 |
| 227 // Static. |
179 bool CPDF_Annot::IsAnnotationHidden(CPDF_Dictionary* pAnnotDict) { | 228 bool CPDF_Annot::IsAnnotationHidden(CPDF_Dictionary* pAnnotDict) { |
180 return !!(pAnnotDict->GetIntegerFor("F") & ANNOTFLAG_HIDDEN); | 229 return !!(pAnnotDict->GetIntegerFor("F") & ANNOTFLAG_HIDDEN); |
181 } | 230 } |
182 | 231 |
183 // Static. | 232 // Static. |
184 CPDF_Annot::Subtype CPDF_Annot::StringToAnnotSubtype( | 233 CPDF_Annot::Subtype CPDF_Annot::StringToAnnotSubtype( |
185 const CFX_ByteString& sSubtype) { | 234 const CFX_ByteString& sSubtype) { |
186 if (sSubtype == "Text") | 235 if (sSubtype == "Text") |
187 return CPDF_Annot::Subtype::TEXT; | 236 return CPDF_Annot::Subtype::TEXT; |
188 if (sSubtype == "Link") | 237 if (sSubtype == "Link") |
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440 CFX_PathData path; | 489 CFX_PathData path; |
441 width /= 2; | 490 width /= 2; |
442 path.AppendRect(rect.left + width, rect.bottom + width, rect.right - width, | 491 path.AppendRect(rect.left + width, rect.bottom + width, rect.right - width, |
443 rect.top - width); | 492 rect.top - width); |
444 int fill_type = 0; | 493 int fill_type = 0; |
445 if (pOptions && (pOptions->m_Flags & RENDER_NOPATHSMOOTH)) { | 494 if (pOptions && (pOptions->m_Flags & RENDER_NOPATHSMOOTH)) { |
446 fill_type |= FXFILL_NOPATHSMOOTH; | 495 fill_type |= FXFILL_NOPATHSMOOTH; |
447 } | 496 } |
448 pDevice->DrawPath(&path, pUser2Device, &graph_state, argb, argb, fill_type); | 497 pDevice->DrawPath(&path, pUser2Device, &graph_state, argb, argb, fill_type); |
449 } | 498 } |
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