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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/page/cpdf_image.h" | 7 #include "core/fpdfapi/page/cpdf_image.h" |
8 | 8 |
9 #include <algorithm> | 9 #include <algorithm> |
10 #include <memory> | 10 #include <memory> |
11 #include <vector> | 11 #include <vector> |
12 | 12 |
13 #include "core/fpdfapi/cpdf_modulemgr.h" | 13 #include "core/fpdfapi/cpdf_modulemgr.h" |
14 #include "core/fpdfapi/page/cpdf_docpagedata.h" | 14 #include "core/fpdfapi/page/cpdf_docpagedata.h" |
15 #include "core/fpdfapi/page/cpdf_page.h" | 15 #include "core/fpdfapi/page/cpdf_page.h" |
16 #include "core/fpdfapi/parser/cpdf_array.h" | 16 #include "core/fpdfapi/parser/cpdf_array.h" |
17 #include "core/fpdfapi/parser/cpdf_boolean.h" | 17 #include "core/fpdfapi/parser/cpdf_boolean.h" |
| 18 #include "core/fpdfapi/parser/cpdf_dictionary.h" |
18 #include "core/fpdfapi/parser/cpdf_document.h" | 19 #include "core/fpdfapi/parser/cpdf_document.h" |
19 #include "core/fpdfapi/parser/cpdf_string.h" | 20 #include "core/fpdfapi/parser/cpdf_string.h" |
20 #include "core/fpdfapi/render/cpdf_pagerendercache.h" | 21 #include "core/fpdfapi/render/cpdf_pagerendercache.h" |
21 #include "core/fpdfapi/render/render_int.h" | 22 #include "core/fpdfapi/render/render_int.h" |
22 #include "core/fxcodec/fx_codec.h" | 23 #include "core/fxcodec/fx_codec.h" |
23 #include "core/fxge/fx_dib.h" | 24 #include "core/fxge/fx_dib.h" |
24 | 25 |
25 CPDF_Image::CPDF_Image(CPDF_Document* pDoc) | 26 CPDF_Image::CPDF_Image(CPDF_Document* pDoc) : m_pDocument(pDoc) {} |
26 : CPDF_Image(pDoc, nullptr, false) {} | |
27 | 27 |
28 CPDF_Image::CPDF_Image(CPDF_Document* pDoc, CPDF_Stream* pStream, bool bInline) | 28 CPDF_Image::CPDF_Image(CPDF_Document* pDoc, UniqueStream pStream) |
29 : m_pDIBSource(nullptr), | 29 : m_pDocument(pDoc), |
30 m_pMask(nullptr), | 30 m_pStream(pStream.get()), |
31 m_MatteColor(0), | 31 m_pOwnedStream(std::move(pStream)) { |
32 m_pStream(pStream), | 32 if (!m_pStream) |
33 m_bInline(bInline), | |
34 m_pInlineDict(nullptr), | |
35 m_Height(0), | |
36 m_Width(0), | |
37 m_bIsMask(false), | |
38 m_bInterpolate(false), | |
39 m_pDocument(pDoc), | |
40 m_pOC(nullptr) { | |
41 if (!pStream) | |
42 return; | 33 return; |
43 | 34 |
44 CPDF_Dictionary* pDict = pStream->GetDict(); | 35 m_pOwnedDict = ToDictionary(UniqueObject(m_pStream->GetDict()->Clone())); |
45 if (m_bInline) | 36 m_pDict = m_pOwnedDict.get(); |
46 m_pInlineDict = ToDictionary(pDict->Clone()); | 37 FinishInitialization(); |
47 | |
48 m_pOC = pDict->GetDictFor("OC"); | |
49 m_bIsMask = | |
50 !pDict->KeyExist("ColorSpace") || pDict->GetIntegerFor("ImageMask"); | |
51 m_bInterpolate = !!pDict->GetIntegerFor("Interpolate"); | |
52 m_Height = pDict->GetIntegerFor("Height"); | |
53 m_Width = pDict->GetIntegerFor("Width"); | |
54 } | 38 } |
55 | 39 |
56 CPDF_Image::~CPDF_Image() { | 40 CPDF_Image::CPDF_Image(CPDF_Document* pDoc, uint32_t dwStreamObjNum) |
57 if (m_bInline) { | 41 : m_pDocument(pDoc), |
58 if (m_pStream) | 42 m_pStream(ToStream(pDoc->GetIndirectObject(dwStreamObjNum))) { |
59 m_pStream->Release(); | 43 if (!m_pStream) |
60 if (m_pInlineDict) | 44 return; |
61 m_pInlineDict->Release(); | 45 |
62 } | 46 m_pDict = m_pStream->GetDict(); |
| 47 FinishInitialization(); |
| 48 } |
| 49 |
| 50 CPDF_Image::~CPDF_Image() {} |
| 51 |
| 52 void CPDF_Image::FinishInitialization() { |
| 53 m_pOC = m_pDict->GetDictFor("OC"); |
| 54 m_bIsMask = |
| 55 !m_pDict->KeyExist("ColorSpace") || m_pDict->GetIntegerFor("ImageMask"); |
| 56 m_bInterpolate = !!m_pDict->GetIntegerFor("Interpolate"); |
| 57 m_Height = m_pDict->GetIntegerFor("Height"); |
| 58 m_Width = m_pDict->GetIntegerFor("Width"); |
63 } | 59 } |
64 | 60 |
65 CPDF_Image* CPDF_Image::Clone() { | 61 CPDF_Image* CPDF_Image::Clone() { |
66 if (!m_pStream->IsInline()) | 62 CPDF_Image* pImage = new CPDF_Image(m_pDocument); |
67 return m_pDocument->GetPageData()->GetImage(m_pStream); | 63 if (m_pOwnedStream) { |
68 | 64 pImage->m_pOwnedStream = ToStream(UniqueObject(m_pOwnedStream->Clone())); |
69 CPDF_Image* pImage = | 65 pImage->m_pStream = pImage->m_pOwnedStream.get(); |
70 new CPDF_Image(m_pDocument, ToStream(m_pStream->Clone()), m_bInline); | 66 } else { |
71 if (m_bInline) | 67 pImage->m_pStream = m_pStream; |
72 pImage->SetInlineDict(ToDictionary(m_pInlineDict->CloneDirectObject())); | 68 } |
73 | 69 if (m_pOwnedDict) { |
| 70 pImage->m_pOwnedDict = ToDictionary(UniqueObject(m_pOwnedDict->Clone())); |
| 71 pImage->m_pDict = pImage->m_pOwnedDict.get(); |
| 72 } else { |
| 73 pImage->m_pDict = m_pDict; |
| 74 } |
74 return pImage; | 75 return pImage; |
75 } | 76 } |
76 | 77 |
77 CPDF_Dictionary* CPDF_Image::InitJPEG(uint8_t* pData, uint32_t size) { | 78 CPDF_Dictionary* CPDF_Image::InitJPEG(uint8_t* pData, uint32_t size) { |
78 int32_t width; | 79 int32_t width; |
79 int32_t height; | 80 int32_t height; |
80 int32_t num_comps; | 81 int32_t num_comps; |
81 int32_t bits; | 82 int32_t bits; |
82 bool color_trans; | 83 bool color_trans; |
83 if (!CPDF_ModuleMgr::Get()->GetJpegModule()->LoadInfo( | 84 if (!CPDF_ModuleMgr::Get()->GetJpegModule()->LoadInfo( |
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402 } | 403 } |
403 if (!ret) { | 404 if (!ret) { |
404 delete m_pDIBSource; | 405 delete m_pDIBSource; |
405 m_pDIBSource = nullptr; | 406 m_pDIBSource = nullptr; |
406 return FALSE; | 407 return FALSE; |
407 } | 408 } |
408 m_pMask = pSource->DetachMask(); | 409 m_pMask = pSource->DetachMask(); |
409 m_MatteColor = pSource->GetMatteColor(); | 410 m_MatteColor = pSource->GetMatteColor(); |
410 return FALSE; | 411 return FALSE; |
411 } | 412 } |
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