source/pdfversion.cc

   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 Henrik Tidefelt
  17  */
  18
  19 #include "pdfversion.h"
  20 #include "shapesexceptions.h"
  21
  22 #include <algorithm>
  23
  24 using namespace SimplePDF;
  25
  26 SimplePDF::PDF_Version::PDF_Version( )
  27         : version_( SimplePDF::PDF_Version::PDF_1_4 ),
  28                 maxRequestVersion_( SimplePDF::PDF_Version::PDF_1_1 ),
  29                 versionAction_( SimplePDF::PDF_Version::WARN )
  30 { }
  31
  32 void
  33 SimplePDF::PDF_Version::setVersion( Version version )
  34 {
  35         version_ = version;
  36 }
  37
  38 void
  39 SimplePDF::PDF_Version::setAction( Action action )
  40 {
  41         versionAction_ = action;
  42 }
  43
  44 bool
  45 SimplePDF::PDF_Version::greaterOrEqual( Version required, bool justCurious )
  46 {
  47         if( ! justCurious )
  48                 {
  49                         maxRequestVersion_ = std::max( maxRequestVersion_, required );
  50                 }
  51         return version_ >= required;
  52 }
  53
  54 bool
  55 SimplePDF::PDF_Version::greaterOrEqualOrX( Version required, bool justCurious )
  56 {
  57         if( ! justCurious )
  58                 {
  59                         maxRequestVersion_ = std::max( maxRequestVersion_, required );
  60                 }
  61         return version_ >= required || version_ == PDF_X;
  62 }
  63
  64 const char *
  65 SimplePDF::PDF_Version::maxRequestVersionString( ) const
  66 {
  67         if( version_ == PDF_X )
  68                 {
  69                         return toString( PDF_X );
  70                 }
  71         return toString( maxRequestVersion_ );
  72 }
  73
  74 void
  75 SimplePDF::PDF_Version::message( Version required, const char * message ) const
  76 {
  77         using namespace Shapes;
  78
  79         switch( versionAction_ )
  80                 {
  81                 case ERROR:
  82                         throw Exceptions::PDFVersionError( version_, required, message );
  83                         break;
  84                 case WARN:
  85                         std::cerr << toString( version_ ) << " warning: " << message << std::endl ;
  86                         break;
  87                 case SILENT:
  88                         // Just be quiet.
  89                         break;
  90                 default:
  91                         throw Exceptions::InternalError( "PDF_out versionAction_ out of range." );
  92                 }
  93 }
  94
  95 const char *
  96 SimplePDF::PDF_Version::toString( SimplePDF::PDF_Version::Version version )
  97 {
  98         switch( version )
  99                 {
 100                 case PDF_X:
 101                         return "PDF-X" ;
 102                 case PDF_1_1:
 103                         return "PDF-1.1" ;
 104                 case PDF_1_2:
 105                         return "PDF-1.2" ;
 106                 case PDF_1_3:
 107                         return "PDF-1.3" ;
 108                 case PDF_1_4:
 109                         return "PDF-1.4" ;
 110                 case PDF_1_5:
 111                         return "PDF-1.5" ;
 112                 case PDF_1_6:
 113                         return "PDF-1.6" ;
 114                 default:
 115                         throw Shapes::Exceptions::InternalError( "PDF version out of range." );
 116                 }
 117 }