source/simplepdfo.h

   1 /* This file is part of Shapes.
   2  *
   3  * Shapes is free software: you can redistribute it and/or modify
   4  * it under the terms of the GNU General Public License as published by
   5  * the Free Software Foundation, either version 3 of the License, or
   6  * any later version.
   7  *
   8  * Shapes is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  * GNU General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License
  14  * along with Shapes.  If not, see <http://www.gnu.org/licenses/>.
  15  *
  16  * Copyright 2008, 2014 Henrik Tidefelt
  17  */
  18
  19 #pragma once
  20
  21 #include "pdfstructure.h"
  22
  23 #include "SimplePDF_decls.h"
  24 #include "Shapes_Lang_decls.h"
  25 #include "concretecolors.h"
  26 #include "config.h"
  27
  28 #include <list>
  29 #include <set>
  30
  31 namespace SimplePDF
  32 {
  33
  34         class PDF_Resources : public PDF_Object
  35         {
  36         public:
  37                 enum ProcSet { PROC_SET_PDF, PROC_SET_TEXT, PROC_SET_IMAGE_GRAY, PROC_SET_IMAGE_COLOR, PROC_SET_IMAGE_INDEXED };
  38
  39         private:
  40                 size_t counter;
  41                 RefCountPtr< PDF_Dictionary > xobject;
  42                 RefCountPtr< PDF_Dictionary > graphicsStates;
  43                 RefCountPtr< PDF_Dictionary > colorSpaces;
  44                 RefCountPtr< PDF_Dictionary > fonts;
  45                 RefCountPtr< PDF_Dictionary > shadings;
  46                 std::set< ProcSet > procSets;
  47                 RefCountPtr< PDF_Vector > procSetsVector;
  48
  49                 typedef std::map< PDF_Object *, PDF_Name > ReverseMap;
  50                 ReverseMap reverse_xobject;
  51                 ReverseMap reverse_graphicsStates;
  52                 ReverseMap reverse_colorSpaces;
  53                 ReverseMap reverse_fonts;
  54                 ReverseMap reverse_shadings;
  55
  56         public:
  57                 PDF_Resources( );
  58                 virtual ~PDF_Resources( );
  59                 const PDF_Name & nameofXObject( const RefCountPtr< PDF_Object > & obj );
  60                 const PDF_Name & nameofGraphicsState( const RefCountPtr< PDF_Object > & obj );
  61                 const PDF_Name & nameofColorSpace( const RefCountPtr< PDF_Object > & obj );
  62                 const PDF_Name & nameofFont( const RefCountPtr< PDF_Object > & obj );
  63                 const PDF_Name & nameofShading( const RefCountPtr< PDF_Object > & obj );
  64                 void requireProcedureSet( ProcSet procSet );
  65
  66                 virtual void writeTo( std::ostream & os, SimplePDF::PDF_xref * xref, const RefCountPtr< const PDF_Object > & self ) const;
  67
  68         private:
  69                 static const PDF_Name & nameof( const RefCountPtr< PDF_Object > & obj, ReverseMap * reverseMap, RefCountPtr< PDF_Dictionary > * dic, const char * prefix, size_t * counter );
  70         };
  71
  72         class DocumentInfo
  73         {
  74                 bool finalized_;
  75                 RefCountPtr< PDF_Dictionary > info_;
  76                 std::list< std::string > extensionAuthorStrings;
  77                 RefCountPtr< PDF_Indirect_out > i_info_;
  78         public:
  79                 DocumentInfo( );
  80                 void addExtensionAuthorString( const std::string & str );
  81                 bool addInfo( const char * key, const RefCountPtr< PDF_Object > & datum );
  82                 RefCountPtr< PDF_Indirect_out > getIndirect( size_t * indirectObjectCounter );
  83         };
  84
  85         class PDF_out
  86         {
  87         private:
  88                 RefCountPtr< SimplePDF::PDF_Indirect_out > i_root_;
  89                 RefCountPtr< SimplePDF::PDF_Indirect_out > i_info_;
  90                 RefCountPtr< const char > firstPageLabel_;
  91
  92         public:
  93                 PDF_out( const RefCountPtr< SimplePDF::PDF_Indirect_out > & i_root, const RefCountPtr< SimplePDF::PDF_Indirect_out > & i_info, const RefCountPtr< const char > & firstPageLabel );
  94                 ~PDF_out( );
  95                 void writeFile( std::ostream & os, SimplePDF::PDF_Version & pdfVersion ) const;
  96                 RefCountPtr< const char > getFirstPageLabel( ) const;
  97
  98 #ifdef HAVE_OPENSSL
  99                 RefCountPtr< PDF_HexString > fileIdentifier( std::streampos osp ) const;
 100 #endif
 101         };
 102
 103         extern RefCountPtr<PDF_Object> theTrue;
 104         extern RefCountPtr<PDF_Object> theFalse;
 105         RefCountPtr<PDF_Object> newName( const char * str );
 106         RefCountPtr<PDF_Object> newString( const char * str );
 107         RefCountPtr<PDF_Object> newInt( PDF_Int::ValueType val );
 108         RefCountPtr<PDF_Object> newBoolean( PDF_Boolean::ValueType val );
 109         RefCountPtr<PDF_Object> newFloat( PDF_Float::ValueType val );
 110
 111
 112         class OutlineItem
 113         {
 114                 RefCountPtr< PDF_Object > destination_;
 115                 RefCountPtr< const char > title_;
 116                 std::list< RefCountPtr< OutlineItem > > kids_;
 117                 bool isOpen_;
 118
 119                 bool fontBold_;
 120                 bool fontItalic_;
 121                 Shapes::Concrete::RGB color_;
 122         public:
 123                 OutlineItem( const RefCountPtr< PDF_Object > & destination, const RefCountPtr< const char > & title, bool isOpen, bool fontBold, bool fontItalic, const Shapes::Concrete::RGB & color );
 124                 ~OutlineItem( );
 125                 void addKid( const RefCountPtr< OutlineItem > & kid );
 126
 127                 bool hasKids( ) const;
 128                 RefCountPtr< SimplePDF::PDF_Indirect_out > getTopIndirectDictionary( SimplePDF::PDF_Version & pdfVersion ) const;
 129                 size_t fillInDictionary( RefCountPtr< SimplePDF::PDF_Dictionary > dstDic, const RefCountPtr< SimplePDF::PDF_Indirect_out > & i_dstDic, SimplePDF::PDF_Version & pdfVersion ) const;
 130         };
 131
 132 }