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map_io_png_handler.hh
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1 //------------------------------------------------------------------------------
2 // This file is part of the OpenStructure project <www.openstructure.org>
3 //
4 // Copyright (C) 2008-2020 by the OpenStructure authors
5 // Copyright (C) 2003-2010 by the IPLT authors
6 //
7 // This library is free software; you can redistribute it and/or modify it under
8 // the terms of the GNU Lesser General Public License as published by the Free
9 // Software Foundation; either version 3.0 of the License, or (at your option)
10 // any later version.
11 // This library is distributed in the hope that it will be useful, but WITHOUT
12 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
13 // FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
14 // details.
15 //
16 // You should have received a copy of the GNU Lesser General Public License
17 // along with this library; if not, write to the Free Software Foundation, Inc.,
18 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 //------------------------------------------------------------------------------
20 #ifndef OST_IO_MAP_IO_PNG_HANDLER_HH
21 #define OST_IO_MAP_IO_PNG_HANDLER_HH
22 
23 #include "map_io_handler.hh"
24 
25 namespace ost { namespace io {
26 
28 {
29  public:
30 
31  PNG(bool normalize_on_save = true);
32 
33  bool GetNormalizeOnSave() const;
34  void SetNormalizeOnSave(bool normalize_on_save);
35  Real GetMaximum() const;
36  Real GetMinimum() const;
37 
39 
40  private:
41 
42  bool normalize_on_save_;
43 };
44 
46 public:
47 
48  public:
52  virtual void Import(img::MapHandle& sh, const boost::filesystem::path& loc,const ImageFormatBase& formatstruct );
53  virtual void Import(img::MapHandle& sh, std::istream& loc, const ImageFormatBase& formatstruct);
54  virtual void Export(const img::MapHandle& sh, const boost::filesystem::path& loc, const ImageFormatBase& formatstruct) const;
55  virtual void Export(const img::MapHandle& sh, std::ostream& loc,const ImageFormatBase& formatstruct) const;
56  static bool MatchContent(unsigned char* header);
57  static bool MatchType(const ImageFormatBase& type);
58  static bool MatchSuffix(const String& loc);
59  static bool ProvidesImport() { return true; }
60  static bool ProvidesExport() { return true; }
61  static String GetFormatName() { return String("Png");}
62  static String GetFormatDescription() { return String("Portable Network Graphic image format");}
63 };
64 
66 
67 }}
68 
69 #endif
std::string String
Definition: base.hh:54
MapIOHandlerFactory< MapIOPngHandler > MapIOPngHandlerFactory
float Real
Definition: base.hh:44
static bool MatchType(const ImageFormatBase &type)
static String GetFormatDescription()
static String FORMAT_STRING
static bool MatchSuffix(const String &loc)
static bool MatchContent(unsigned char *header)
#define DLLEXPORT_OST_IO
Manage shared instances of images.
virtual void Export(const img::MapHandle &sh, const boost::filesystem::path &loc, const ImageFormatBase &formatstruct) const
virtual void Import(img::MapHandle &sh, const boost::filesystem::path &loc, const ImageFormatBase &formatstruct)
Map IO handler to read/write png image files.