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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 #ifndef CORE_INCLUDE_FPDFAPI_FPDF_MODULE_H_
      8 #define CORE_INCLUDE_FPDFAPI_FPDF_MODULE_H_
      9 
     10 #include <memory>
     11 
     12 #include "core/include/fxcrt/fx_coordinates.h"
     13 #include "core/include/fxcrt/fx_system.h"
     14 
     15 class CCodec_ModuleMgr;
     16 class CFX_BitmapDevice;
     17 class CFX_DIBSource;
     18 class CFX_Matrix;
     19 class CPDF_ColorSpace;
     20 class CPDF_Dictionary;
     21 class CPDF_DocPageData;
     22 class CPDF_DocRenderData;
     23 class CPDF_Document;
     24 class CPDF_FontGlobals;
     25 class CPDF_Image;
     26 class CPDF_Page;
     27 class CPDF_PageObjects;
     28 class CPDF_PageRenderCache;
     29 class CPDF_RenderConfig;
     30 class CPDF_RenderOptions;
     31 class CPDF_SecurityHandler;
     32 class CPDF_Stream;
     33 class ICodec_FaxModule;
     34 class ICodec_FlateModule;
     35 class ICodec_IccModule;
     36 class ICodec_Jbig2Module;
     37 class ICodec_JpegModule;
     38 class ICodec_JpxModule;
     39 class IPDF_FontMapper;
     40 class IPDF_PageModule;
     41 class IPDF_RenderModule;
     42 
     43 class CPDF_ModuleMgr {
     44  public:
     45   static CPDF_ModuleMgr* Get();
     46   static void Create();
     47   static void Destroy();
     48   static const int kFileBufSize = 512;
     49 
     50   void SetCodecModule(CCodec_ModuleMgr* pModule) { m_pCodecModule = pModule; }
     51   CCodec_ModuleMgr* GetCodecModule() { return m_pCodecModule; }
     52 
     53   void InitPageModule();
     54   void InitRenderModule();
     55 
     56   IPDF_RenderModule* GetRenderModule() const { return m_pRenderModule.get(); }
     57   IPDF_PageModule* GetPageModule() const { return m_pPageModule.get(); }
     58 
     59   void LoadEmbeddedGB1CMaps();
     60   void LoadEmbeddedCNS1CMaps();
     61   void LoadEmbeddedJapan1CMaps();
     62   void LoadEmbeddedKorea1CMaps();
     63 
     64   ICodec_FaxModule* GetFaxModule();
     65   ICodec_JpegModule* GetJpegModule();
     66   ICodec_JpxModule* GetJpxModule();
     67   ICodec_Jbig2Module* GetJbig2Module();
     68   ICodec_IccModule* GetIccModule();
     69   ICodec_FlateModule* GetFlateModule();
     70 
     71   void SetPrivateData(void* module_id,
     72                       void* pData,
     73                       PD_CALLBACK_FREEDATA callback);
     74 
     75   void* GetPrivateData(void* module_id);
     76 
     77  private:
     78   CPDF_ModuleMgr();
     79   ~CPDF_ModuleMgr();
     80 
     81   CCodec_ModuleMgr* m_pCodecModule;
     82   std::unique_ptr<IPDF_RenderModule> m_pRenderModule;
     83   std::unique_ptr<IPDF_PageModule> m_pPageModule;
     84   FX_BOOL (*m_pDownloadCallback)(const FX_CHAR* module_name);
     85   CFX_PrivateData m_privateData;
     86 };
     87 
     88 class IPDF_PageModule {
     89  public:
     90   virtual ~IPDF_PageModule() {}
     91 
     92   virtual CPDF_DocPageData* CreateDocData(CPDF_Document* pDoc) = 0;
     93   virtual void ReleaseDoc(CPDF_Document*) = 0;
     94   virtual void ClearDoc(CPDF_Document*) = 0;
     95   virtual CPDF_FontGlobals* GetFontGlobals() = 0;
     96   virtual void ClearStockFont(CPDF_Document* pDoc) = 0;
     97   virtual void NotifyCJKAvailable() = 0;
     98   virtual CPDF_ColorSpace* GetStockCS(int family) = 0;
     99 };
    100 
    101 class IPDF_RenderModule {
    102  public:
    103   virtual ~IPDF_RenderModule() {}
    104 
    105   virtual CPDF_DocRenderData* CreateDocData(CPDF_Document* pDoc) = 0;
    106   virtual void DestroyDocData(CPDF_DocRenderData*) = 0;
    107   virtual void ClearDocData(CPDF_DocRenderData*) = 0;
    108   virtual CPDF_DocRenderData* GetRenderData() = 0;
    109   virtual CPDF_PageRenderCache* CreatePageCache(CPDF_Page* pPage) = 0;
    110   virtual void DestroyPageCache(CPDF_PageRenderCache*) = 0;
    111   virtual CPDF_RenderConfig* GetConfig() = 0;
    112 };
    113 
    114 #endif  // CORE_INCLUDE_FPDFAPI_FPDF_MODULE_H_
    115