1 // Copyright 2016 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 #ifndef CORE_FPDFAPI_PAGE_CPDF_IMAGE_H_ 8 #define CORE_FPDFAPI_PAGE_CPDF_IMAGE_H_ 9 10 #include <memory> 11 12 #include "core/fpdfapi/parser/cpdf_stream.h" 13 #include "core/fxcrt/fx_system.h" 14 #include "core/fxcrt/maybe_owned.h" 15 #include "core/fxcrt/retain_ptr.h" 16 #include "core/fxcrt/unowned_ptr.h" 17 18 class CFX_DIBSource; 19 class CFX_DIBitmap; 20 class CPDF_Document; 21 class CPDF_Page; 22 class IFX_PauseIndicator; 23 class IFX_SeekableReadStream; 24 25 class CPDF_Image : public Retainable { 26 public: 27 template <typename T, typename... Args> 28 friend RetainPtr<T> pdfium::MakeRetain(Args&&... args); 29 30 void ConvertStreamToIndirectObject(); 31 32 CPDF_Dictionary* GetInlineDict() const { return m_pDict.Get(); } 33 CPDF_Stream* GetStream() const { return m_pStream.Get(); } 34 CPDF_Dictionary* GetDict() const; 35 CPDF_Dictionary* GetOC() const { return m_pOC.Get(); } 36 CPDF_Document* GetDocument() const { return m_pDocument.Get(); } 37 38 int32_t GetPixelHeight() const { return m_Height; } 39 int32_t GetPixelWidth() const { return m_Width; } 40 41 bool IsInline() const { return m_bIsInline; } 42 bool IsMask() const { return m_bIsMask; } 43 bool IsInterpol() const { return m_bInterpolate; } 44 45 RetainPtr<CFX_DIBSource> LoadDIBSource() const; 46 47 void SetImage(const RetainPtr<CFX_DIBitmap>& pDIBitmap); 48 void SetJpegImage(const RetainPtr<IFX_SeekableReadStream>& pFile); 49 void SetJpegImageInline(const RetainPtr<IFX_SeekableReadStream>& pFile); 50 51 void ResetCache(CPDF_Page* pPage, const RetainPtr<CFX_DIBitmap>& pDIBitmap); 52 bool StartLoadDIBSource(CPDF_Dictionary* pFormResource, 53 CPDF_Dictionary* pPageResource, 54 bool bStdCS = false, 55 uint32_t GroupFamily = 0, 56 bool bLoadMask = false); 57 bool Continue(IFX_PauseIndicator* pPause); 58 RetainPtr<CFX_DIBSource> DetachBitmap(); 59 RetainPtr<CFX_DIBSource> DetachMask(); 60 61 RetainPtr<CFX_DIBSource> m_pDIBSource; 62 RetainPtr<CFX_DIBSource> m_pMask; 63 uint32_t m_MatteColor = 0; 64 65 private: 66 explicit CPDF_Image(CPDF_Document* pDoc); 67 CPDF_Image(CPDF_Document* pDoc, std::unique_ptr<CPDF_Stream> pStream); 68 CPDF_Image(CPDF_Document* pDoc, uint32_t dwStreamObjNum); 69 ~CPDF_Image() override; 70 71 void FinishInitialization(); 72 std::unique_ptr<CPDF_Dictionary> InitJPEG(uint8_t* pData, uint32_t size); 73 74 int32_t m_Height = 0; 75 int32_t m_Width = 0; 76 bool m_bIsInline = false; 77 bool m_bIsMask = false; 78 bool m_bInterpolate = false; 79 UnownedPtr<CPDF_Document> const m_pDocument; 80 MaybeOwned<CPDF_Stream> m_pStream; 81 MaybeOwned<CPDF_Dictionary> m_pDict; 82 UnownedPtr<CPDF_Dictionary> m_pOC; 83 }; 84 85 #endif // CORE_FPDFAPI_PAGE_CPDF_IMAGE_H_ 86
