source/shadingtypes.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 "shadingtypes.h"
  20 #include "statetypes.h"
  21 #include "globals.h"
  22 #include "pathtypes.h"
  23 #include "pagecontentstates.h"
  24
  25 using namespace Shapes;
  26
  27
  28 Lang::Type4Shading::Type4Shading( RefCountPtr< SimplePDF::PDF_Object > & resource, RefCountPtr< const Lang::ElementaryPath2D > mybbox )
  29         : Lang::PaintedPolygon2D( Kernel::THE_NO_STATE, mybbox ), resource_( resource ), mybbox_( mybbox )
  30 { }
  31
  32 Lang::Type4Shading::~Type4Shading( )
  33 { }
  34
  35 void
  36 Lang::Type4Shading::shipout( std::ostream & os, Kernel::PageContentStates * pdfState, const Lang::Transform2D & tf ) const
  37 {
  38         Kernel::Auto_qQ auto_qQ( & pdfState->graphics_, & pdfState->text_, os, false );
  39         if( ! tf.isIdentity( ) )
  40                 {
  41                         auto_qQ.activate( );
  42                         tf.shipout( os );
  43                         os << " cm" << std::endl ;
  44                 }
  45         os << pdfState->resources_->nameofShading( resource_ ) << " sh" << std::endl ;
  46 }
  47
  48 RefCountPtr< const Lang::ElementaryPath2D >
  49 Lang::Type4Shading::bbox( Lang::Drawable2D::BoxType boxType ) const
  50 {
  51         return mybbox_;
  52 }
  53
  54 void
  55 Lang::Type4Shading::show( std::ostream & os ) const
  56 {
  57         os << "Type4Shading" ;
  58 }
  59
  60 void
  61 Lang::Type4Shading::gcMark( Kernel::GCMarkedSet & marked )
  62 {
  63         // At the time of writing, there is nothing to propagate to.
  64 }