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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/fpdfapi/fpdf_page/pageint.h" | |
| 8 | |
| 9 #include "core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h" | |
| 10 #include "core/fpdfapi/fpdf_parser/include/cpdf_document.h" | |
| 11 | |
| 12 void CPDF_Image::Release() { | |
| 13 if (m_bInline || (m_pStream && m_pStream->GetObjNum() == 0)) { | |
| 14 delete this; | |
| 15 } | |
| 16 } | |
| 17 CPDF_Image* CPDF_Image::Clone() { | |
| 18 if (m_pStream->GetObjNum()) | |
| 19 return m_pDocument->GetPageData()->GetImage(m_pStream); | |
| 20 | |
| 21 CPDF_Image* pImage = new CPDF_Image(m_pDocument); | |
| 22 pImage->LoadImageF(ToStream(m_pStream->Clone()), m_bInline); | |
| 23 if (m_bInline) | |
| 24 pImage->SetInlineDict(ToDictionary(m_pInlineDict->Clone(TRUE))); | |
| 25 | |
| 26 return pImage; | |
| 27 } | |
| 28 CPDF_Image::CPDF_Image(CPDF_Document* pDoc) { | |
| 29 m_pDocument = pDoc; | |
| 30 m_pStream = NULL; | |
| 31 m_pOC = NULL; | |
| 32 m_bInline = FALSE; | |
| 33 m_pInlineDict = NULL; | |
| 34 m_pDIBSource = NULL; | |
| 35 m_pMask = NULL; | |
| 36 m_MatteColor = 0; | |
| 37 } | |
| 38 CPDF_Image::~CPDF_Image() { | |
| 39 if (m_bInline) { | |
| 40 if (m_pStream) { | |
| 41 m_pStream->Release(); | |
| 42 } | |
| 43 if (m_pInlineDict) { | |
| 44 m_pInlineDict->Release(); | |
| 45 } | |
| 46 } | |
| 47 } | |
| 48 FX_BOOL CPDF_Image::LoadImageF(CPDF_Stream* pStream, FX_BOOL bInline) { | |
| 49 m_pStream = pStream; | |
| 50 if (m_bInline && m_pInlineDict) { | |
| 51 m_pInlineDict->Release(); | |
| 52 m_pInlineDict = NULL; | |
| 53 } | |
| 54 m_bInline = bInline; | |
| 55 CPDF_Dictionary* pDict = pStream->GetDict(); | |
| 56 if (m_bInline) { | |
| 57 m_pInlineDict = ToDictionary(pDict->Clone()); | |
| 58 } | |
| 59 m_pOC = pDict->GetDictBy("OC"); | |
| 60 m_bIsMask = | |
| 61 !pDict->KeyExist("ColorSpace") || pDict->GetIntegerBy("ImageMask"); | |
| 62 m_bInterpolate = pDict->GetIntegerBy("Interpolate"); | |
| 63 m_Height = pDict->GetIntegerBy("Height"); | |
| 64 m_Width = pDict->GetIntegerBy("Width"); | |
| 65 return TRUE; | |
| 66 } | |
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