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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 "../../../include/fpdfapi/fpdf_page.h" | 7 #include "../../../include/fpdfapi/fpdf_page.h" |
8 #include "../../../include/fpdfapi/fpdf_pageobj.h" | 8 #include "../../../include/fpdfapi/fpdf_pageobj.h" |
9 #include "pageint.h" | 9 #include "pageint.h" |
10 CPDF_ImageObject::CPDF_ImageObject() | 10 CPDF_ImageObject::CPDF_ImageObject() { |
11 { | 11 m_pImage = NULL; |
12 m_pImage = NULL; | 12 m_Type = PDFPAGE_IMAGE; |
13 m_Type = PDFPAGE_IMAGE; | |
14 } | 13 } |
15 CPDF_ImageObject::~CPDF_ImageObject() | 14 CPDF_ImageObject::~CPDF_ImageObject() { |
16 { | 15 if (!m_pImage) { |
17 if (!m_pImage) { | 16 return; |
18 return; | 17 } |
| 18 if (m_pImage->IsInline() || |
| 19 (m_pImage->GetStream() && m_pImage->GetStream()->GetObjNum() == 0)) { |
| 20 delete m_pImage; |
| 21 } else { |
| 22 m_pImage->GetDocument()->GetPageData()->ReleaseImage(m_pImage->GetStream()); |
| 23 } |
| 24 } |
| 25 void CPDF_ImageObject::CopyData(const CPDF_PageObject* pSrc) { |
| 26 const CPDF_ImageObject* pSrcObj = (const CPDF_ImageObject*)pSrc; |
| 27 if (m_pImage) { |
| 28 m_pImage->Release(); |
| 29 } |
| 30 m_pImage = pSrcObj->m_pImage->Clone(); |
| 31 m_Matrix = pSrcObj->m_Matrix; |
| 32 } |
| 33 void CPDF_ImageObject::Transform(const CFX_AffineMatrix& matrix) { |
| 34 m_Matrix.Concat(matrix); |
| 35 CalcBoundingBox(); |
| 36 } |
| 37 void CPDF_ImageObject::CalcBoundingBox() { |
| 38 m_Left = m_Bottom = 0; |
| 39 m_Right = m_Top = 1.0f; |
| 40 m_Matrix.TransformRect(m_Left, m_Right, m_Top, m_Bottom); |
| 41 } |
| 42 void CPDF_Image::Release() { |
| 43 if (m_bInline || (m_pStream && m_pStream->GetObjNum() == 0)) { |
| 44 delete this; |
| 45 } |
| 46 } |
| 47 CPDF_Image* CPDF_Image::Clone() { |
| 48 if (m_pStream->GetObjNum()) { |
| 49 return m_pDocument->GetPageData()->GetImage(m_pStream); |
| 50 } |
| 51 CPDF_Image* pImage = new CPDF_Image(m_pDocument); |
| 52 pImage->LoadImageF((CPDF_Stream*)((CPDF_Object*)m_pStream)->Clone(), |
| 53 m_bInline); |
| 54 if (m_bInline) { |
| 55 CPDF_Dictionary* pInlineDict = (CPDF_Dictionary*)m_pInlineDict->Clone(TRUE); |
| 56 pImage->SetInlineDict(pInlineDict); |
| 57 } |
| 58 return pImage; |
| 59 } |
| 60 CPDF_Image::CPDF_Image(CPDF_Document* pDoc) { |
| 61 m_pDocument = pDoc; |
| 62 m_pStream = NULL; |
| 63 m_pOC = NULL; |
| 64 m_bInline = FALSE; |
| 65 m_pInlineDict = NULL; |
| 66 m_pDIBSource = NULL; |
| 67 m_pMask = NULL; |
| 68 m_MatteColor = 0; |
| 69 } |
| 70 CPDF_Image::~CPDF_Image() { |
| 71 if (m_bInline) { |
| 72 if (m_pStream) { |
| 73 m_pStream->Release(); |
19 } | 74 } |
20 if (m_pImage->IsInline() || (m_pImage->GetStream() && m_pImage->GetStream()-
>GetObjNum() == 0)) { | 75 if (m_pInlineDict) { |
21 delete m_pImage; | 76 m_pInlineDict->Release(); |
22 } else { | |
23 m_pImage->GetDocument()->GetPageData()->ReleaseImage(m_pImage->GetStream
()); | |
24 } | 77 } |
| 78 } |
25 } | 79 } |
26 void CPDF_ImageObject::CopyData(const CPDF_PageObject* pSrc) | 80 FX_BOOL CPDF_Image::LoadImageF(CPDF_Stream* pStream, FX_BOOL bInline) { |
27 { | 81 m_pStream = pStream; |
28 const CPDF_ImageObject* pSrcObj = (const CPDF_ImageObject*)pSrc; | 82 if (m_bInline && m_pInlineDict) { |
29 if (m_pImage) { | 83 m_pInlineDict->Release(); |
30 m_pImage->Release(); | 84 m_pInlineDict = NULL; |
31 } | 85 } |
32 m_pImage = pSrcObj->m_pImage->Clone(); | 86 m_bInline = bInline; |
33 m_Matrix = pSrcObj->m_Matrix; | 87 CPDF_Dictionary* pDict = pStream->GetDict(); |
| 88 if (m_bInline) { |
| 89 m_pInlineDict = (CPDF_Dictionary*)pDict->Clone(); |
| 90 } |
| 91 m_pOC = pDict->GetDict(FX_BSTRC("OC")); |
| 92 m_bIsMask = !pDict->KeyExist(FX_BSTRC("ColorSpace")) || |
| 93 pDict->GetInteger(FX_BSTRC("ImageMask")); |
| 94 m_bInterpolate = pDict->GetInteger(FX_BSTRC("Interpolate")); |
| 95 m_Height = pDict->GetInteger(FX_BSTRC("Height")); |
| 96 m_Width = pDict->GetInteger(FX_BSTRC("Width")); |
| 97 return TRUE; |
34 } | 98 } |
35 void CPDF_ImageObject::Transform(const CFX_AffineMatrix& matrix) | |
36 { | |
37 m_Matrix.Concat(matrix); | |
38 CalcBoundingBox(); | |
39 } | |
40 void CPDF_ImageObject::CalcBoundingBox() | |
41 { | |
42 m_Left = m_Bottom = 0; | |
43 m_Right = m_Top = 1.0f; | |
44 m_Matrix.TransformRect(m_Left, m_Right, m_Top, m_Bottom); | |
45 } | |
46 void CPDF_Image::Release() | |
47 { | |
48 if (m_bInline || (m_pStream && m_pStream->GetObjNum() == 0)) { | |
49 delete this; | |
50 } | |
51 } | |
52 CPDF_Image* CPDF_Image::Clone() | |
53 { | |
54 if (m_pStream->GetObjNum()) { | |
55 return m_pDocument->GetPageData()->GetImage(m_pStream); | |
56 } | |
57 CPDF_Image* pImage = new CPDF_Image(m_pDocument); | |
58 pImage->LoadImageF((CPDF_Stream*)((CPDF_Object*)m_pStream)->Clone(), m_bInli
ne); | |
59 if (m_bInline) { | |
60 CPDF_Dictionary *pInlineDict = (CPDF_Dictionary*)m_pInlineDict->Clone(TR
UE); | |
61 pImage->SetInlineDict(pInlineDict); | |
62 } | |
63 return pImage; | |
64 } | |
65 CPDF_Image::CPDF_Image(CPDF_Document* pDoc) | |
66 { | |
67 m_pDocument = pDoc; | |
68 m_pStream = NULL; | |
69 m_pOC = NULL; | |
70 m_bInline = FALSE; | |
71 m_pInlineDict = NULL; | |
72 m_pDIBSource = NULL; | |
73 m_pMask = NULL; | |
74 m_MatteColor = 0; | |
75 } | |
76 CPDF_Image::~CPDF_Image() | |
77 { | |
78 if (m_bInline) { | |
79 if (m_pStream) { | |
80 m_pStream->Release(); | |
81 } | |
82 if (m_pInlineDict) { | |
83 m_pInlineDict->Release(); | |
84 } | |
85 } | |
86 } | |
87 FX_BOOL CPDF_Image::LoadImageF(CPDF_Stream* pStream, FX_BOOL bInline) | |
88 { | |
89 m_pStream = pStream; | |
90 if (m_bInline && m_pInlineDict) { | |
91 m_pInlineDict->Release(); | |
92 m_pInlineDict = NULL; | |
93 } | |
94 m_bInline = bInline; | |
95 CPDF_Dictionary* pDict = pStream->GetDict(); | |
96 if (m_bInline) { | |
97 m_pInlineDict = (CPDF_Dictionary*)pDict->Clone(); | |
98 } | |
99 m_pOC = pDict->GetDict(FX_BSTRC("OC")); | |
100 m_bIsMask = !pDict->KeyExist(FX_BSTRC("ColorSpace")) || pDict->GetInteger(FX
_BSTRC("ImageMask")); | |
101 m_bInterpolate = pDict->GetInteger(FX_BSTRC("Interpolate")); | |
102 m_Height = pDict->GetInteger(FX_BSTRC("Height")); | |
103 m_Width = pDict->GetInteger(FX_BSTRC("Width")); | |
104 return TRUE; | |
105 } | |
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