1 // Copyright 2016 The PDFium Authors 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_DOCRENDERDATA_H_ 8 #define CORE_FPDFAPI_RENDER_CPDF_DOCRENDERDATA_H_ 9 10 #include <functional> 11 #include <map> 12 13 #include "build/build_config.h" 14 #include "core/fpdfapi/parser/cpdf_document.h" 15 #include "core/fxcrt/observed_ptr.h" 16 #include "core/fxcrt/retain_ptr.h" 17 18 #if BUILDFLAG(IS_WIN) 19 #include <memory> 20 #endif 21 22 class CPDF_Font; 23 class CPDF_Object; 24 class CPDF_TransferFunc; 25 class CPDF_Type3Cache; 26 class CPDF_Type3Font; 27 28 #if BUILDFLAG(IS_WIN) 29 class CFX_PSFontTracker; 30 #endif 31 32 class CPDF_DocRenderData : public CPDF_Document::RenderDataIface { 33 public: 34 static CPDF_DocRenderData* FromDocument(const CPDF_Document* pDoc); 35 36 CPDF_DocRenderData(); 37 ~CPDF_DocRenderData() override; 38 39 CPDF_DocRenderData(const CPDF_DocRenderData&) = delete; 40 CPDF_DocRenderData& operator=(const CPDF_DocRenderData&) = delete; 41 42 RetainPtr<CPDF_Type3Cache> GetCachedType3(CPDF_Type3Font* pFont); 43 RetainPtr<CPDF_TransferFunc> GetTransferFunc( 44 RetainPtr<const CPDF_Object> pObj); 45 46 #if BUILDFLAG(IS_WIN) 47 CFX_PSFontTracker* GetPSFontTracker(); 48 #endif 49 50 protected: 51 // protected for use by test subclasses. 52 RetainPtr<CPDF_TransferFunc> CreateTransferFunc( 53 RetainPtr<const CPDF_Object> pObj) const; 54 55 private: 56 // TODO(tsepez): investigate this map outliving its font keys. 57 std::map<CPDF_Font*, ObservedPtr<CPDF_Type3Cache>> m_Type3FaceMap; 58 std::map<RetainPtr<const CPDF_Object>, 59 ObservedPtr<CPDF_TransferFunc>, 60 std::less<>> 61 m_TransferFuncMap; 62 63 #if BUILDFLAG(IS_WIN) 64 std::unique_ptr<CFX_PSFontTracker> m_PSFontTracker; 65 #endif 66 }; 67 68 #endif // CORE_FPDFAPI_RENDER_CPDF_DOCRENDERDATA_H_ 69