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 
SetCodecModule(CCodec_ModuleMgr * pModule)50   void SetCodecModule(CCodec_ModuleMgr* pModule) { m_pCodecModule = pModule; }
GetCodecModule()51   CCodec_ModuleMgr* GetCodecModule() { return m_pCodecModule; }
52 
53   void InitPageModule();
54   void InitRenderModule();
55 
GetRenderModule()56   IPDF_RenderModule* GetRenderModule() const { return m_pRenderModule.get(); }
GetPageModule()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:
~IPDF_PageModule()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:
~IPDF_RenderModule()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