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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 bool IsTextMarkupAnnotation(CPDF_Annot::Subtype type) { | |
24 return type == CPDF_Annot::Subtype::HIGHLIGHT || | |
25 type == CPDF_Annot::Subtype::SQUIGGLY || | |
26 type == CPDF_Annot::Subtype::STRIKEOUT || | |
27 type == CPDF_Annot::Subtype::UNDERLINE; | |
28 } | |
29 | |
23 bool ShouldGenerateAPForAnnotation(CPDF_Dictionary* pAnnotDict) { | 30 bool ShouldGenerateAPForAnnotation(CPDF_Dictionary* pAnnotDict) { |
24 // If AP dictionary exists, we use the appearance defined in the | 31 // If AP dictionary exists, we use the appearance defined in the |
25 // existing AP dictionary. | 32 // existing AP dictionary. |
26 if (pAnnotDict->KeyExist("AP")) | 33 if (pAnnotDict->KeyExist("AP")) |
27 return false; | 34 return false; |
28 | 35 |
29 return !CPDF_Annot::IsAnnotationHidden(pAnnotDict); | 36 return !CPDF_Annot::IsAnnotationHidden(pAnnotDict); |
30 } | 37 } |
31 | 38 |
32 } // namespace | 39 } // namespace |
33 | 40 |
34 CPDF_Annot::CPDF_Annot(CPDF_Dictionary* pDict, | 41 CPDF_Annot::CPDF_Annot(CPDF_Dictionary* pDict, |
35 CPDF_Document* pDocument, | 42 CPDF_Document* pDocument, |
36 bool bToOwnDict) | 43 bool bToOwnDict) |
37 : m_bOwnedAnnotDict(bToOwnDict), | 44 : m_bOwnedAnnotDict(bToOwnDict), |
38 m_pAnnotDict(pDict), | 45 m_pAnnotDict(pDict), |
39 m_pDocument(pDocument), | 46 m_pDocument(pDocument), |
40 m_bOpenState(false), | 47 m_bOpenState(false), |
48 m_bHasGeneratedAP(false), | |
41 m_pPopupAnnot(nullptr) { | 49 m_pPopupAnnot(nullptr) { |
42 m_nSubtype = StringToAnnotSubtype(m_pAnnotDict->GetStringBy("Subtype")); | 50 m_nSubtype = StringToAnnotSubtype(m_pAnnotDict->GetStringBy("Subtype")); |
51 m_isMarkupAnnotation = IsTextMarkupAnnotation(m_nSubtype); | |
43 GenerateAPIfNeeded(); | 52 GenerateAPIfNeeded(); |
44 } | 53 } |
45 | 54 |
46 CPDF_Annot::~CPDF_Annot() { | 55 CPDF_Annot::~CPDF_Annot() { |
47 if (m_bOwnedAnnotDict) | 56 if (m_bOwnedAnnotDict) |
48 m_pAnnotDict->Release(); | 57 m_pAnnotDict->Release(); |
49 ClearCachedAP(); | 58 ClearCachedAP(); |
50 } | 59 } |
51 | 60 |
52 void CPDF_Annot::GenerateAPIfNeeded() { | 61 void CPDF_Annot::GenerateAPIfNeeded() { |
53 if (!ShouldGenerateAPForAnnotation(m_pAnnotDict)) | 62 if (!ShouldGenerateAPForAnnotation(m_pAnnotDict)) |
54 return; | 63 return; |
55 | 64 |
65 bool result = false; | |
56 if (m_nSubtype == CPDF_Annot::Subtype::CIRCLE) | 66 if (m_nSubtype == CPDF_Annot::Subtype::CIRCLE) |
57 CPVT_GenerateAP::GenerateCircleAP(m_pDocument, m_pAnnotDict); | 67 result = CPVT_GenerateAP::GenerateCircleAP(m_pDocument, m_pAnnotDict); |
58 else if (m_nSubtype == CPDF_Annot::Subtype::HIGHLIGHT) | 68 else if (m_nSubtype == CPDF_Annot::Subtype::HIGHLIGHT) |
59 CPVT_GenerateAP::GenerateHighlightAP(m_pDocument, m_pAnnotDict); | 69 result = CPVT_GenerateAP::GenerateHighlightAP(m_pDocument, m_pAnnotDict); |
60 else if (m_nSubtype == CPDF_Annot::Subtype::INK) | 70 else if (m_nSubtype == CPDF_Annot::Subtype::INK) |
61 CPVT_GenerateAP::GenerateInkAP(m_pDocument, m_pAnnotDict); | 71 result = CPVT_GenerateAP::GenerateInkAP(m_pDocument, m_pAnnotDict); |
62 else if (m_nSubtype == CPDF_Annot::Subtype::POPUP) | 72 else if (m_nSubtype == CPDF_Annot::Subtype::POPUP) |
63 CPVT_GenerateAP::GeneratePopupAP(m_pDocument, m_pAnnotDict); | 73 result = CPVT_GenerateAP::GeneratePopupAP(m_pDocument, m_pAnnotDict); |
64 else if (m_nSubtype == CPDF_Annot::Subtype::SQUARE) | 74 else if (m_nSubtype == CPDF_Annot::Subtype::SQUARE) |
65 CPVT_GenerateAP::GenerateSquareAP(m_pDocument, m_pAnnotDict); | 75 result = CPVT_GenerateAP::GenerateSquareAP(m_pDocument, m_pAnnotDict); |
66 else if (m_nSubtype == CPDF_Annot::Subtype::SQUIGGLY) | 76 else if (m_nSubtype == CPDF_Annot::Subtype::SQUIGGLY) |
67 CPVT_GenerateAP::GenerateSquigglyAP(m_pDocument, m_pAnnotDict); | 77 result = CPVT_GenerateAP::GenerateSquigglyAP(m_pDocument, m_pAnnotDict); |
68 else if (m_nSubtype == CPDF_Annot::Subtype::STRIKEOUT) | 78 else if (m_nSubtype == CPDF_Annot::Subtype::STRIKEOUT) |
69 CPVT_GenerateAP::GenerateStrikeOutAP(m_pDocument, m_pAnnotDict); | 79 result = CPVT_GenerateAP::GenerateStrikeOutAP(m_pDocument, m_pAnnotDict); |
70 else if (m_nSubtype == CPDF_Annot::Subtype::TEXT) | 80 else if (m_nSubtype == CPDF_Annot::Subtype::TEXT) |
71 CPVT_GenerateAP::GenerateTextAP(m_pDocument, m_pAnnotDict); | 81 result = CPVT_GenerateAP::GenerateTextAP(m_pDocument, m_pAnnotDict); |
72 else if (m_nSubtype == CPDF_Annot::Subtype::UNDERLINE) | 82 else if (m_nSubtype == CPDF_Annot::Subtype::UNDERLINE) |
73 CPVT_GenerateAP::GenerateUnderlineAP(m_pDocument, m_pAnnotDict); | 83 result = CPVT_GenerateAP::GenerateUnderlineAP(m_pDocument, m_pAnnotDict); |
84 m_bHasGeneratedAP = result; | |
74 } | 85 } |
75 | 86 |
76 void CPDF_Annot::ClearCachedAP() { | 87 void CPDF_Annot::ClearCachedAP() { |
77 m_APMap.clear(); | 88 m_APMap.clear(); |
78 } | 89 } |
79 | 90 |
80 CPDF_Annot::Subtype CPDF_Annot::GetSubtype() const { | 91 CPDF_Annot::Subtype CPDF_Annot::GetSubtype() const { |
81 return m_nSubtype; | 92 return m_nSubtype; |
82 } | 93 } |
83 | 94 |
95 CFX_FloatRect CPDF_Annot::RectForDrawing() const { | |
96 if (!m_pAnnotDict) | |
97 return CFX_FloatRect(); | |
98 | |
99 bool shouldUseQuadPointsCoords = m_isMarkupAnnotation && m_bHasGeneratedAP; | |
Lei Zhang
2016/09/06 21:27:03
Maybe just drop the variable?
| |
100 if (shouldUseQuadPointsCoords) | |
101 return RectFromQuads(m_pAnnotDict); | |
102 | |
103 return m_pAnnotDict->GetRectBy("Rect"); | |
104 } | |
105 | |
84 CFX_FloatRect CPDF_Annot::GetRect() const { | 106 CFX_FloatRect CPDF_Annot::GetRect() const { |
85 if (!m_pAnnotDict) | 107 if (!m_pAnnotDict) |
86 return CFX_FloatRect(); | 108 return CFX_FloatRect(); |
87 | 109 |
88 CFX_FloatRect rect = m_pAnnotDict->GetRectBy("Rect"); | 110 CFX_FloatRect rect = RectForDrawing(); |
89 rect.Normalize(); | 111 rect.Normalize(); |
90 return rect; | 112 return rect; |
91 } | 113 } |
92 | 114 |
93 uint32_t CPDF_Annot::GetFlags() const { | 115 uint32_t CPDF_Annot::GetFlags() const { |
94 return m_pAnnotDict->GetIntegerBy("F"); | 116 return m_pAnnotDict->GetIntegerBy("F"); |
95 } | 117 } |
96 | 118 |
97 CPDF_Stream* FPDFDOC_GetAnnotAP(CPDF_Dictionary* pAnnotDict, | 119 CPDF_Stream* FPDFDOC_GetAnnotAP(CPDF_Dictionary* pAnnotDict, |
98 CPDF_Annot::AppearanceMode mode) { | 120 CPDF_Annot::AppearanceMode mode) { |
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159 } | 181 } |
160 CFX_FloatRect form_bbox = pForm->m_pFormDict->GetRectBy("BBox"); | 182 CFX_FloatRect form_bbox = pForm->m_pFormDict->GetRectBy("BBox"); |
161 CFX_Matrix form_matrix = pForm->m_pFormDict->GetMatrixBy("Matrix"); | 183 CFX_Matrix form_matrix = pForm->m_pFormDict->GetMatrixBy("Matrix"); |
162 form_matrix.TransformRect(form_bbox); | 184 form_matrix.TransformRect(form_bbox); |
163 matrix.MatchRect(pAnnot->GetRect(), form_bbox); | 185 matrix.MatchRect(pAnnot->GetRect(), form_bbox); |
164 matrix.Concat(*pUser2Device); | 186 matrix.Concat(*pUser2Device); |
165 return pForm; | 187 return pForm; |
166 } | 188 } |
167 | 189 |
168 // Static. | 190 // Static. |
191 CFX_FloatRect CPDF_Annot::RectFromQuads(CPDF_Dictionary* pAnnotDict) { | |
Lei Zhang
2016/09/06 21:27:03
Just FYI, there exists a little bit of related cod
| |
192 CPDF_Array* pArray = pAnnotDict->GetArrayBy("QuadPoints"); | |
193 if (!pArray) | |
194 return CFX_FloatRect(); | |
195 | |
196 // QuadPoints are defined with 4 pairs of numbers | |
197 // ([ pair0, pair1, pair2, pair3 ]), where | |
198 // pair0 = top_left | |
199 // pair1 = top_right | |
200 // pair2 = bottom_left | |
201 // pair3 = bottom_right | |
202 // | |
203 // On the other hand, /Rect is define as 2 pairs [pair0, pair1] where: | |
204 // pair0 = bottom_left | |
205 // pair1 = top_right. | |
206 return CFX_FloatRect(pArray->GetNumberAt(4), pArray->GetNumberAt(5), | |
207 pArray->GetNumberAt(2), pArray->GetNumberAt(3)); | |
208 } | |
209 | |
210 // Static. | |
169 bool CPDF_Annot::IsAnnotationHidden(CPDF_Dictionary* pAnnotDict) { | 211 bool CPDF_Annot::IsAnnotationHidden(CPDF_Dictionary* pAnnotDict) { |
170 return !!(pAnnotDict->GetIntegerBy("F") & ANNOTFLAG_HIDDEN); | 212 return !!(pAnnotDict->GetIntegerBy("F") & ANNOTFLAG_HIDDEN); |
171 } | 213 } |
172 | 214 |
173 // Static. | 215 // Static. |
174 CPDF_Annot::Subtype CPDF_Annot::StringToAnnotSubtype( | 216 CPDF_Annot::Subtype CPDF_Annot::StringToAnnotSubtype( |
175 const CFX_ByteString& sSubtype) { | 217 const CFX_ByteString& sSubtype) { |
176 if (sSubtype == "Text") | 218 if (sSubtype == "Text") |
177 return CPDF_Annot::Subtype::TEXT; | 219 return CPDF_Annot::Subtype::TEXT; |
178 if (sSubtype == "Link") | 220 if (sSubtype == "Link") |
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423 CFX_PathData path; | 465 CFX_PathData path; |
424 width /= 2; | 466 width /= 2; |
425 path.AppendRect(rect.left + width, rect.bottom + width, rect.right - width, | 467 path.AppendRect(rect.left + width, rect.bottom + width, rect.right - width, |
426 rect.top - width); | 468 rect.top - width); |
427 int fill_type = 0; | 469 int fill_type = 0; |
428 if (pOptions && (pOptions->m_Flags & RENDER_NOPATHSMOOTH)) { | 470 if (pOptions && (pOptions->m_Flags & RENDER_NOPATHSMOOTH)) { |
429 fill_type |= FXFILL_NOPATHSMOOTH; | 471 fill_type |= FXFILL_NOPATHSMOOTH; |
430 } | 472 } |
431 pDevice->DrawPath(&path, pUser2Device, &graph_state, argb, argb, fill_type); | 473 pDevice->DrawPath(&path, pUser2Device, &graph_state, argb, argb, fill_type); |
432 } | 474 } |
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