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#pragma once
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#ifndef TIMAGE_IO_INCLUDED
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#define TIMAGE_IO_INCLUDED
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//#include "trasterimage.h"
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//#include "texception.h"
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//#include "tfilepath.h"
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#include <qstringlist></qstringlist>
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#include "tfilepath_io.h"
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#include "traster.h"
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#include "timage.h"
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#undef DVAPI
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#undef DVVAR
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#ifdef TIMAGE_IO_EXPORTS
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#define DVAPI DV_EXPORT_API
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#define DVVAR DV_EXPORT_VAR
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#else
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#define DVAPI DV_IMPORT_API
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#define DVVAR DV_IMPORT_VAR
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#endif
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// forward declaration
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namespace Tiio {
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class Reader;
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class Writer;
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class VectorReader;
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class VectorWriter;
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}
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class TPropertyGroup;
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class TImageInfo;
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//===========================================================
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class DVAPI TImageException final : public TException {
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  TFilePath m_fp;
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public:
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  TImageException(const TFilePath &fp, const std::string &msg);
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  ~TImageException() {}
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  TString getMessage() const override;
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  TString getRawMessage() const { return TException::getMessage(); }
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  const TFilePath &getFilePath() const { return m_fp; }
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};
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//===========================================================
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class DVAPI TImageVersionException final : public TException {
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  TFilePath m_fp;
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  int m_major, m_minor;
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public:
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  TImageVersionException(const TFilePath &fp, int major, int minor);
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  ~TImageVersionException() {}
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  void getVersion(int &major, int &minor) const {
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    major = m_major;
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    minor = m_minor;
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  }
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  int getMajor() const { return m_major; }
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  int getMinor() const { return m_minor; }
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};
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//===========================================================
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//
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// Image Reader
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//
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//===========================================================
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class TImageReader;
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typedef TImageReader *TImageReaderCreateProc(const TFilePath &path);
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//===========================================================
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//! \include imgReader_ex.cpp
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class DVAPI TImageReader : public TSmartObject {
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  DECLARE_CLASS_CODE
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  friend class TImageReaderP;
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protected:
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  // std::fstream m_stream;
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  TFilePath m_path;
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  FILE *m_file;
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  Tiio::Reader *m_reader;
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  Tiio::VectorReader *m_vectorReader;
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  void open();
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  void close();
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  bool isOpen() const;
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  bool m_readGreytones;
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  bool m_is64BitEnabled;
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  int m_shrink;
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  TRect m_region;
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  static bool m_safeMode;
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public:
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  static void setSafeModeReadingForTzl(bool activated) {
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    m_safeMode = activated;
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  }
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  TImageReader(const TFilePath &path);
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  virtual ~TImageReader();
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private:
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  // not implemented
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  TImageReader(const TImageReader &);
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  TImageReader &operator=(const TImageReader &src);
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  TImageP load0();
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public:
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  // TImageReader keeps ownership: DO NOT DELETE
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  virtual const TImageInfo *getImageInfo() const;
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  TFilePath getFilePath() const { return m_path; };
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  TPropertyGroup *getProperties();
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  void setProperties(const TPropertyGroup *);
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  /*! Load Image from disk.
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If set region then loads only image's region.
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          If set shrink then loads image (or region, if set) with shrink.
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Note: if the region, or part of it, is not contained in the image
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    then returns only the intersection between the image and region.
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          If the intersection is void returns TImageP();
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*/
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  virtual TImageP load();
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  void load(const TRasterP &ras, const TPoint &pos = TPoint(0, 0),
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            int shrinkX = 1, int shrinkY = 1);
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  static bool load(const TFilePath &, TRasterP &);
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  static bool load(const TFilePath &, TImageP &);
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  // Only for TLV (version 13). Return the icon in TLV file.
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  virtual TImageP loadIcon() { return TImageP(); }
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  static void getSupportedFormats(QStringList &names);
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  // TDimension getSize() const;
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  // virtual TRect getBBox() const = 0;
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  static void define(QString extension, TImageReaderCreateProc *proc);
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  void doReadGraytones(bool readThem);
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  void enable16BitRead(bool is64bitEnabled) {
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    m_is64BitEnabled = is64bitEnabled;
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  }
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  int getShrink() const { return m_shrink; }
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  /*!
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     Setta lo shrink in modo che al load() viene letta da disco
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           una riga ogni "shrink" righe ed all'interno di queste righe viene
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     letto un pixel ogni "shrink" pixel.
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           La prima riga viene sempre letta.
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           Il primo pixel di una riga letta viene sempre preso.
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     Nota che se shrink=1 non viene saltata alcuna riga ne pixel.
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  */
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  void setShrink(int shrink);
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  /*!
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Set image's region.
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Region dimension doesn't consider shrink.
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*/
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  void setRegion(TRect rect) { m_region = rect; }
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  /*!
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Returns the image region.
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Region dimension doesn't consider shrink
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*/
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  TRect getRegion() const { return m_region; }
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  void getTzpPaletteColorNames(
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      std::map<int, std::pair<std::string,="" std::string="">></int,>
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          &pltColorNames);  // colorindex(<256: paint), pagename, colorname
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};
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//-----------------------------------------------------------
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#ifdef _WIN32
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template class DVAPI TSmartPointerT<timagereader>;</timagereader>
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#endif
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class DVAPI TImageReaderP final : public TSmartPointerT<timagereader> {</timagereader>
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public:
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  TImageReaderP(TImageReader *ir) : TSmartPointerT<timagereader>(ir){};</timagereader>
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  // il costruttore "non banale"
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  TImageReaderP(const TFilePath &filepath);
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};
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//===========================================================
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//
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// Image Writer
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//
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//===========================================================
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class TImageWriter;
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typedef TImageWriter *TImageWriterCreateProc(const TFilePath &path);
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//===========================================================
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//! \include imgWriter_ex.cpp
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class DVAPI TImageWriter : public TSmartObject {
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  DECLARE_CLASS_CODE
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  // Background color for saving transparent pixel to the format not
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  // supporting alpha channel. Specified in the preferences.
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  static TPixel32 m_backgroundColor;
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protected:
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  // std::fstream m_stream;
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  TFilePath m_path;
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  Tiio::Writer *m_writer;
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  Tiio::VectorWriter *m_vectorWriter;
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  TPropertyGroup *m_properties;
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public:
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  TImageWriter(const TFilePath &path);
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  virtual ~TImageWriter();
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private:
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  // not implemented
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  TImageWriter(const TImageWriter &);
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  TImageWriter &operator=(const TImageWriter &src);
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public:
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  TFilePath getFilePath() const { return m_path; };
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  // don't get ownership
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  void setProperties(const TPropertyGroup *);
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  virtual void save(const TImageP &img);
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  virtual bool is64bitOutputSupported() { return true; }
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  static void save(const TFilePath &, TRasterP);
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  static void save(const TFilePath &, const TImageP &);
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  static void getSupportedFormats(QStringList &names, bool onlyRenderFormats);
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  static void define(QString extension, TImageWriterCreateProc *proc,
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                     bool isRenderFormat);
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  static void setBackgroundColor(TPixel32 color);
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  static TPixel32 getBackgroundColor();
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};
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//-----------------------------------------------------------
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#ifdef _WIN32
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template class DVAPI TSmartPointerT<timagewriter>;</timagewriter>
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#endif
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class DVAPI TImageWriterP final : public TSmartPointerT<timagewriter> {</timagewriter>
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public:
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  TImageWriterP(TImageWriter *iw) : TSmartPointerT<timagewriter>(iw){};</timagewriter>
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  // il costruttore "non banale"
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  TImageWriterP(const TFilePath &filepath);
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};
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//===========================================================
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//
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// Image ReaderWriter
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//
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//===========================================================
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class TImageReaderWriter;
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typedef TImageReaderWriter *TImageReaderWriterCreateProc(const TFilePath &path);
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//===========================================================
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#endif