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| 1 // Copyright 2014 PDFium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com | |
| 6 | |
| 7 #include "core/src/fpdfapi/fpdf_page/pageint.h" | |
| 8 | |
| 9 #include "core/include/fpdfapi/cpdf_dictionary.h" | |
| 10 #include "core/include/fpdfapi/cpdf_document.h" | |
| 11 #include "core/include/fpdfapi/fpdf_page.h" | |
| 12 #include "core/include/fpdfapi/fpdf_pageobj.h" | |
| 13 | |
| 14 CPDF_ImageObject::CPDF_ImageObject() : m_pImage(nullptr) {} | |
| 15 | |
| 16 CPDF_ImageObject::~CPDF_ImageObject() { | |
| 17 if (!m_pImage) { | |
| 18 return; | |
| 19 } | |
| 20 if (m_pImage->IsInline() || | |
| 21 (m_pImage->GetStream() && m_pImage->GetStream()->GetObjNum() == 0)) { | |
| 22 delete m_pImage; | |
| 23 } else { | |
| 24 m_pImage->GetDocument()->GetPageData()->ReleaseImage(m_pImage->GetStream()); | |
| 25 } | |
| 26 } | |
| 27 | |
| 28 CPDF_ImageObject* CPDF_ImageObject::Clone() const { | |
| 29 CPDF_ImageObject* obj = new CPDF_ImageObject; | |
| 30 obj->CopyData(this); | |
| 31 | |
| 32 obj->m_pImage = m_pImage->Clone(); | |
| 33 obj->m_Matrix = m_Matrix; | |
| 34 return obj; | |
| 35 } | |
| 36 | |
| 37 void CPDF_ImageObject::Transform(const CFX_Matrix& matrix) { | |
| 38 m_Matrix.Concat(matrix); | |
| 39 CalcBoundingBox(); | |
| 40 } | |
| 41 void CPDF_ImageObject::CalcBoundingBox() { | |
| 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 if (m_bInline || (m_pStream && m_pStream->GetObjNum() == 0)) { | |
| 48 delete this; | |
| 49 } | |
| 50 } | |
| 51 CPDF_Image* CPDF_Image::Clone() { | |
| 52 if (m_pStream->GetObjNum()) | |
| 53 return m_pDocument->GetPageData()->GetImage(m_pStream); | |
| 54 | |
| 55 CPDF_Image* pImage = new CPDF_Image(m_pDocument); | |
| 56 pImage->LoadImageF(ToStream(m_pStream->Clone()), m_bInline); | |
| 57 if (m_bInline) | |
| 58 pImage->SetInlineDict(ToDictionary(m_pInlineDict->Clone(TRUE))); | |
| 59 | |
| 60 return pImage; | |
| 61 } | |
| 62 CPDF_Image::CPDF_Image(CPDF_Document* pDoc) { | |
| 63 m_pDocument = pDoc; | |
| 64 m_pStream = NULL; | |
| 65 m_pOC = NULL; | |
| 66 m_bInline = FALSE; | |
| 67 m_pInlineDict = NULL; | |
| 68 m_pDIBSource = NULL; | |
| 69 m_pMask = NULL; | |
| 70 m_MatteColor = 0; | |
| 71 } | |
| 72 CPDF_Image::~CPDF_Image() { | |
| 73 if (m_bInline) { | |
| 74 if (m_pStream) { | |
| 75 m_pStream->Release(); | |
| 76 } | |
| 77 if (m_pInlineDict) { | |
| 78 m_pInlineDict->Release(); | |
| 79 } | |
| 80 } | |
| 81 } | |
| 82 FX_BOOL CPDF_Image::LoadImageF(CPDF_Stream* pStream, FX_BOOL bInline) { | |
| 83 m_pStream = pStream; | |
| 84 if (m_bInline && m_pInlineDict) { | |
| 85 m_pInlineDict->Release(); | |
| 86 m_pInlineDict = NULL; | |
| 87 } | |
| 88 m_bInline = bInline; | |
| 89 CPDF_Dictionary* pDict = pStream->GetDict(); | |
| 90 if (m_bInline) { | |
| 91 m_pInlineDict = ToDictionary(pDict->Clone()); | |
| 92 } | |
| 93 m_pOC = pDict->GetDictBy("OC"); | |
| 94 m_bIsMask = | |
| 95 !pDict->KeyExist("ColorSpace") || pDict->GetIntegerBy("ImageMask"); | |
| 96 m_bInterpolate = pDict->GetIntegerBy("Interpolate"); | |
| 97 m_Height = pDict->GetIntegerBy("Height"); | |
| 98 m_Width = pDict->GetIntegerBy("Width"); | |
| 99 return TRUE; | |
| 100 } | |
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