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00001 //--------------------------------------------------------------------------------------- 00002 // Copyright (c) 2001-2008 by PDFTron Systems Inc. All Rights Reserved. 00003 // Consult legal.txt regarding legal and license information. 00004 //--------------------------------------------------------------------------------------- 00005 00006 #ifndef H_CPPPDFFunction 00007 #define H_CPPPDFFunction 00008 00009 #include <C/PDF/TRN_Function.h> 00010 #include <SDF/Obj.h> 00011 00012 00013 namespace pdftron { 00014 namespace PDF { 00015 00016 00029 class Function 00030 { 00031 public: 00032 00037 Function (SDF::Obj funct_dict = 0); 00038 Function(const Function& f); 00039 Function& operator=(const Function& f); 00040 ~Function(); 00041 00042 enum Type 00043 { 00044 e_sampled = 0, // uses a table of sample values to define the function. 00045 e_exponential = 2, // defines a set of coefficients for an exponential function. 00046 e_stitching = 3, // a combination of other functions, partitioned across a domain. 00047 e_postscript = 4 // A PostScript calculator function. 00048 }; 00049 00053 Type GetType() const; 00054 00058 int GetInputCardinality(); 00059 00063 int GetOutputCardinality(); 00064 00072 void Eval(double *in, double *out); 00073 00077 SDF::Obj GetSDFObj (); 00078 00080 Function(TRN_Function impl); 00081 TRN_Function mp_func; 00083 }; 00084 00085 00086 #include <Impl/Function.inl> 00087 00088 }; // namespace PDF 00089 }; // namespace pdftron 00090 00091 #endif 00092