1 /* This file is part of Shapes.
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
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.
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/>.
16 * Copyright 2008 Henrik Tidefelt
21 #include "functiontypes.h"
22 #include "simplepdfo.h"
30 class PDF_Function
: public Lang::Function
33 typedef enum { INTERPOLATION
= 0, EXPONENTIAL
, STITCHING
, CALCULATOR
} SubType
;
37 const size_t outputDimension_
;
38 const size_t inputDimension_
;
39 const bool rangeIsActive_
;
40 std::vector
< std::pair
< double, double > > domain_
;
41 std::vector
< std::pair
< double, double > > range_
;
42 RefCountPtr
< SimplePDF::PDF_Indirect_out
> storage
;
44 RefCountPtr
< const Interaction::CoreLocation
> coreLoc_
;
46 void addCommonFields( SimplePDF::PDF_Dictionary
* dst
) const;
47 virtual std::auto_ptr
< const std::vector
< double > > callImpl( const std::vector
< double > & arg
) const;
49 PDF_Function( SubType subType
, size_t outputDimension
, size_t inputDimension
, bool rangeIsActive
);
50 virtual ~PDF_Function( );
51 virtual void gcMark( Kernel::GCMarkedSet
& marked
){ };
52 virtual void call( Kernel::EvalState
* evalState
, Kernel::Arguments
& args
, const Ast::SourceLocation
& callLoc
) const;
53 virtual bool isTransforming( ) const { return false; }
54 bool matchesDimensions( size_t outputDimension
, size_t inputDimension
) const;
55 RefCountPtr
< SimplePDF::PDF_Indirect_out
> getFunction( ) const;
58 class PDF_InterpolationFunction
: public Lang::PDF_Function
61 PDF_InterpolationFunction( const std::vector
< std::pair
< double, double > > & range
,
62 const std::vector
< std::pair
< double, double > > & domain
,
63 const std::vector
< double > & size
,
64 unsigned char bitsPerSample
,
66 const std::vector
< std::pair
< double, double > > & encode
,
67 const std::vector
< std::pair
< double, double > > & decode
,
68 const std::vector
< double > table
);
69 ~PDF_InterpolationFunction( );