| // Copyright 2016 PDFium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
| |
| #ifndef CORE_FPDFAPI_PAGE_CPDF_IMAGE_H_ |
| #define CORE_FPDFAPI_PAGE_CPDF_IMAGE_H_ |
| |
| #include <memory> |
| |
| #include "core/fpdfapi/parser/cpdf_stream.h" |
| #include "core/fxcrt/cfx_maybe_owned.h" |
| #include "core/fxcrt/cfx_retain_ptr.h" |
| #include "core/fxcrt/cfx_unowned_ptr.h" |
| #include "core/fxcrt/fx_system.h" |
| |
| class CFX_DIBSource; |
| class CFX_DIBitmap; |
| class CPDF_Document; |
| class CPDF_Page; |
| class IFX_Pause; |
| class IFX_SeekableReadStream; |
| |
| class CPDF_Image : public CFX_Retainable { |
| public: |
| template <typename T, typename... Args> |
| friend CFX_RetainPtr<T> pdfium::MakeRetain(Args&&... args); |
| |
| void ConvertStreamToIndirectObject(); |
| |
| CPDF_Dictionary* GetInlineDict() const { return m_pDict.Get(); } |
| CPDF_Stream* GetStream() const { return m_pStream.Get(); } |
| CPDF_Dictionary* GetDict() const { |
| return m_pStream ? m_pStream->GetDict() : nullptr; |
| } |
| CPDF_Dictionary* GetOC() const { return m_pOC.Get(); } |
| CPDF_Document* GetDocument() const { return m_pDocument.Get(); } |
| |
| int32_t GetPixelHeight() const { return m_Height; } |
| int32_t GetPixelWidth() const { return m_Width; } |
| |
| bool IsInline() const { return m_bIsInline; } |
| bool IsMask() const { return m_bIsMask; } |
| bool IsInterpol() const { return m_bInterpolate; } |
| |
| CFX_RetainPtr<CFX_DIBSource> LoadDIBSource() const; |
| |
| void SetImage(const CFX_RetainPtr<CFX_DIBitmap>& pDIBitmap); |
| void SetJpegImage(const CFX_RetainPtr<IFX_SeekableReadStream>& pFile); |
| void SetJpegImageInline(const CFX_RetainPtr<IFX_SeekableReadStream>& pFile); |
| |
| void ResetCache(CPDF_Page* pPage, |
| const CFX_RetainPtr<CFX_DIBitmap>& pDIBitmap); |
| bool StartLoadDIBSource(CPDF_Dictionary* pFormResource, |
| CPDF_Dictionary* pPageResource, |
| bool bStdCS = false, |
| uint32_t GroupFamily = 0, |
| bool bLoadMask = false); |
| bool Continue(IFX_Pause* pPause); |
| CFX_RetainPtr<CFX_DIBSource> DetachBitmap(); |
| CFX_RetainPtr<CFX_DIBSource> DetachMask(); |
| |
| CFX_RetainPtr<CFX_DIBSource> m_pDIBSource; |
| CFX_RetainPtr<CFX_DIBSource> m_pMask; |
| uint32_t m_MatteColor = 0; |
| |
| private: |
| explicit CPDF_Image(CPDF_Document* pDoc); |
| CPDF_Image(CPDF_Document* pDoc, std::unique_ptr<CPDF_Stream> pStream); |
| CPDF_Image(CPDF_Document* pDoc, uint32_t dwStreamObjNum); |
| ~CPDF_Image() override; |
| |
| void FinishInitialization(); |
| std::unique_ptr<CPDF_Dictionary> InitJPEG(uint8_t* pData, uint32_t size); |
| |
| int32_t m_Height = 0; |
| int32_t m_Width = 0; |
| bool m_bIsInline = false; |
| bool m_bIsMask = false; |
| bool m_bInterpolate = false; |
| CFX_UnownedPtr<CPDF_Document> const m_pDocument; |
| CFX_MaybeOwned<CPDF_Stream> m_pStream; |
| CFX_MaybeOwned<CPDF_Dictionary> m_pDict; |
| CFX_UnownedPtr<CPDF_Dictionary> m_pOC; |
| }; |
| |
| #endif // CORE_FPDFAPI_PAGE_CPDF_IMAGE_H_ |