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_RENDER_CPDF_IMAGECACHEENTRY_H_ 8 #define CORE_FPDFAPI_RENDER_CPDF_IMAGECACHEENTRY_H_ 9 10 #include <memory> 11 12 #include "core/fxcrt/fx_system.h" 13 #include "core/fxcrt/retain_ptr.h" 14 #include "core/fxcrt/unowned_ptr.h" 15 16 class CFX_DIBSource; 17 class CFX_DIBitmap; 18 class CPDF_Dictionary; 19 class CPDF_Document; 20 class CPDF_Image; 21 class CPDF_RenderStatus; 22 class IFX_PauseIndicator; 23 24 class CPDF_ImageCacheEntry { 25 public: 26 CPDF_ImageCacheEntry(CPDF_Document* pDoc, 27 const RetainPtr<CPDF_Image>& pImage); 28 ~CPDF_ImageCacheEntry(); 29 30 void Reset(const RetainPtr<CFX_DIBitmap>& pBitmap); 31 uint32_t EstimateSize() const { return m_dwCacheSize; } 32 uint32_t GetTimeCount() const { return m_dwTimeCount; } 33 CPDF_Image* GetImage() const { return m_pImage.Get(); } 34 int StartGetCachedBitmap(CPDF_Dictionary* pFormResources, 35 CPDF_Dictionary* pPageResources, 36 bool bStdCS, 37 uint32_t GroupFamily, 38 bool bLoadMask, 39 CPDF_RenderStatus* pRenderStatus); 40 int Continue(IFX_PauseIndicator* pPause, CPDF_RenderStatus* pRenderStatus); 41 RetainPtr<CFX_DIBSource> DetachBitmap(); 42 RetainPtr<CFX_DIBSource> DetachMask(); 43 44 int m_dwTimeCount; 45 uint32_t m_MatteColor; 46 47 private: 48 void ContinueGetCachedBitmap(CPDF_RenderStatus* pRenderStatus); 49 void CalcSize(); 50 51 UnownedPtr<CPDF_Document> const m_pDocument; 52 RetainPtr<CPDF_Image> const m_pImage; 53 RetainPtr<CFX_DIBSource> m_pCurBitmap; 54 RetainPtr<CFX_DIBSource> m_pCurMask; 55 RetainPtr<CFX_DIBSource> m_pCachedBitmap; 56 RetainPtr<CFX_DIBSource> m_pCachedMask; 57 uint32_t m_dwCacheSize; 58 }; 59 60 #endif // CORE_FPDFAPI_RENDER_CPDF_IMAGECACHEENTRY_H_ 61
