#pragma once

#ifndef T_RASTER_INCLUDED

#define T_RASTER_INCLUDED

#include "tutil.h"

#include "tgeometry.h"

#include "tpixel.h"

#include "tpixelgr.h"

#include "tsmartpointer.h"

#include "tbigmemorymanager.h"

#undef DVAPI

#undef DVVAR

#ifdef TRASTER_EXPORTS

#define DVAPI DV_EXPORT_API

#define DVVAR DV_EXPORT_VAR

#else

#define DVAPI DV_IMPORT_API

#define DVVAR DV_IMPORT_VAR

#endif

//=========================================================

class DVAPI TRasterType {

  int m_id;

  /*

public:

  enum Type {

          None,

          BW,

          WB,

          RGBM32,  // LPIXEL, matte channel considered

          RGBM64,  // SPIXEL, matte channel considered

          CM8,     // color-mapped,  8 bits

          GR8,     // grey tones, 8 bits

          CM16,    // color-mapped, 16 bits

          GR16,    // grey tones, 16 bits

          RGB555,

          RGB565,

          CM24,    // cmapped, 8+8+8 bits (ink, paint, ramp), +8 bits spare

(MSB)

          CM16S12,

          CM16S8   // cmapped, 16 bits, standard SGI 256-color colormap

          // ....

  };

*/

public:

  TRasterType(int id) : m_id(id){};

  int getId() const { return m_id; };

  bool operator==(TRasterType a) { return m_id == a.m_id; };

  bool operator!=(TRasterType a) { return m_id != a.m_id; };

};

//=========================================================

// forward declaration

template <class t=""></class>

class TRasterPT;

class TRaster;

typedef TSmartPointerT<traster> TRasterP;</traster>

//------------------------------------------------------------

//

// Smart Pointer a TRaster

//

#ifdef _WIN32

template class DVAPI TSmartPointerT<traster>;</traster>

#endif

//=========================================================

/*!This class stores bitmap images. */

class DVAPI TRaster : public TSmartObject {

  DECLARE_CLASS_CODE

protected:

  int m_pixelSize;

  int m_lx, m_ly;

  int m_wrap;

  int m_lockCount;

  TRaster *m_parent;  // nel caso di sotto-raster

  UCHAR *m_buffer;

  bool m_bufferOwner;

  // i costruttori sono qui per centralizzare la gestione della memoria

  // e' comunque impossibile fare new TRaster perche' e' una classe astratta

  // (clone, extract)

  // crea il buffer associato (NON fa addRef())

  TRaster(int lx, int ly, int pixelSize);

  // si attacca ad un buffer pre-esistente (NON fa addRef() - neanche a parent)

  TRaster(int lx, int ly, int pixelSize, int wrap, UCHAR *buffer,

          TRaster *parent, bool bufferOwner = false);

private:

  static TAtomicVar m_totalMemory;

  TThread::Mutex m_mutex;

  // not implemented

  TRaster(const TRaster &);

  TRaster &operator=(const TRaster &);

public:

#ifdef _DEBUG

  bool m_cashed;

  static unsigned long getTotalMemoryInKB();

#endif

  virtual ~TRaster();

  // accessors

  // TRasterType getType() const {return m_type;};

  int getLx() const { return m_lx; };

  int getLy() const { return m_ly; };

  TDimension getSize() const { return TDimension(m_lx, m_ly); };

  //! Returns the length of a row in pixel.

  int getWrap() const { return m_wrap; };  // lunghezza di una riga in pixel

  TPointD getCenterD() const { return TPointD(0.5 * m_lx, 0.5 * m_ly); };

  TPoint getCenter() const { return TPoint(m_lx / 2, m_ly / 2); };

  TRect getBounds() const { return TRect(0, 0, m_lx - 1, m_ly - 1); };

  int getPixelSize() const { return m_pixelSize; };

  int getRowSize() const { return m_pixelSize * m_lx; };

  // in bytes

  // when the bigMemoryManager is active, remapping can change buffers...need to

  // to lock/unlock them o use them.

  void lock() {

    if (!TBigMemoryManager::instance()->isActive()) return;

    TThread::MutexLocker sl(&m_mutex);

    if (m_parent)

      m_parent->lock();

    else

      ++m_lockCount;

  }

  void unlock() {

    if (!TBigMemoryManager::instance()->isActive()) return;

    TThread::MutexLocker sl(&m_mutex);

    if (m_parent)

      m_parent->unlock();

    else {

      assert(m_lockCount > 0);

      --m_lockCount;

    }

  }

  void beginRemapping();

  void endRemapping();

  //! Returns a pointer to the image buffer.

  // WARNING!!!!! before getting the buffer with getRawData(),

  // you have to lock the raster with'lock method, and unlock

  // it when you've done with the buffer

  const UCHAR *getRawData() const { return m_buffer; };

  UCHAR *getRawData() { return m_buffer; };

  //! Returns a pointer to the image buffer positioned in the (x,y) coords.

  const UCHAR *getRawData(int x, int y) const {

    assert(0 <= x && x < m_lx && 0 <= y && y < m_ly);

    return m_buffer + (y * m_wrap + x) * m_pixelSize;

  };

  UCHAR *getRawData(int x, int y) {

    assert(0 <= x && x < m_lx && 0 <= y && y < m_ly);

    return m_buffer + (y * m_wrap + x) * m_pixelSize;

  };

  bool isEmpty() const { return getSize() == TDimension(); };

  TRasterP getParent() { return m_parent; }

  // creazione di TRaster derivati

  // devono essere virtuali puri perche' il nuovo raster creato deve essere del

  // tipo giusto

  virtual TRasterP clone() const        = 0;

  virtual TRasterP extract(TRect &rect) = 0;

  virtual TRasterP create() const       = 0;

  virtual TRasterP create(int lx, int ly) const = 0;

  // definita in termini di extract(rect); non lo posso fare subito perche'

  // manca il

  // costruttore di copia di TRasterP

  inline virtual TRasterP extract(int x0, int y0, int x1, int y1);

  // operazioni sui pixel

  // Copia il contenuto di src (spostato di offset) nel raster corrente.

  // Il tipo deve essere lo stesso

  // In caso di dimensione diversa l'area copiata e' l'intersezione dei due

  // getBounds()

  // e i due raster sono allineati in basso a sinistra (src[0,0] -> dst[offset])

  /*!Copies the content of the source raster in the current raster.

*/

  void copy(const TRasterP &src, const TPoint &offset = TPoint());

  void xMirror();

  void yMirror();

  void rotate180();

  void rotate90();

  void clear();

  void clearOutside(const TRect &rect);

  friend class TBigMemoryManager;

protected:

  void fillRawData(const UCHAR *pixel);

  void fillRawDataOutside(const TRect &rect, const UCHAR *pixel);

private:

  void remap(UCHAR *newLocation);

};

//------------------------------------------------------------

inline void detach(TRasterP &r) {

  if (!r || r->getRefCount() == 1) return;

  TRasterP tmp(r->clone());

  r = tmp;

}

//=========================================================

// forward declaration

template <class t=""></class>

class TRasterT;

//

// TRasterPT<pixel>:</pixel>

//

// Smart Pointer to TRasterT<pixel></pixel>

//

//!\include raster_ex1.cpp

//! \include rasterpt_ex1.cpp

// class TRasterPT<t></t>

template <class t=""></class>

class TRasterPT final : public TSmartPointerT<trastert<t>> {</trastert<t>

public:

  typedef T Pixel;

  typedef TRasterT<t> Raster;</t>

  TRasterPT(){};

  TRasterPT(int lx, int ly) { create(lx, ly); };

  TRasterPT(const TDimension &d) { create(d.lx, d.ly); };

  inline TRasterPT(const TRasterP &src);

  inline TRasterPT(int lx, int ly, int wrap, T *buffer,

                   bool bufferOwner = false);

  ~TRasterPT(){};

  void create(int lx, int ly);

  void create(const TDimension &d) { create(d.lx, d.ly); };

  inline void detach();

  operator TRasterP() const;

};

//=========================================================

//

// TRasterT<pixel></pixel>

//

// e' la classe concreta che discende da TRaster

template <class t=""></class>

class TRasterT : public TRaster {

protected:

  // Constructors are protected to prevent direct allocation of TRasterT

  // instances.

  // Users must adopt the TRasterPT smart pointer syntax instead.

  // Buffer Allocation

  TRasterT(int lx, int ly) : TRaster(lx, ly, sizeof(T)) {}

  // Buffer Attachment

  TRasterT(int lx, int ly, int wrap, T *buffer, TRasterT<t> *parent,</t>

           bool bufferOwner = false)

      : TRaster(lx, ly, sizeof(T), wrap, reinterpret_cast<uchar *="">(buffer),</uchar>

                parent, bufferOwner) {}

public:

  typedef T Pixel;

  ~TRasterT(){};

  // accessors

  // WARNING!!!!! before getting the buffer with pixels(int y),

  // you have to lock the raster with'lock method, and unlock

  // it when you've done with the buffer

  const T *pixels(int y = 0) const {

    assert(0 <= y && y < getLy());

    return reinterpret_cast<t *="">(m_buffer) + getWrap() * y;</t>

  };

  T *pixels(int y = 0) {

    assert(0 <= y && y < getLy());

    return reinterpret_cast<t *="">(m_buffer) + getWrap() * y;</t>

  };

  // Derived rasters creation

  TRasterP clone() const override {

    TRasterP dst = TRasterPT<t>(m_lx, m_ly);</t>

    TRasterP src(const_cast<traster *="">((const TRaster *)this));</traster>

    dst->copy(src);

    return dst;

  }

  TRasterP create() const override { return TRasterPT<t>(m_lx, m_ly); }</t>

  TRasterP create(int lx, int ly) const override {

    return TRasterPT<t>(lx, ly);</t>

  }

  //!\include raster_ex2.cpp

  TRasterP extract(int x0, int y0, int x1, int y1) override {

    TRect rect(x0, y0, x1, y1);

    return extract(rect);

  };

  TRasterP extract(TRect &rect) override {

    if (isEmpty() || getBounds().overlaps(rect) == false) return TRasterP();

    rect = getBounds() * rect;

    // addRef();

    return TRasterP(new TRasterT<t>(rect.getLx(), rect.getLy(), m_wrap,</t>

                                    pixels(rect.y0) + rect.x0, this));

  };

  TRasterPT<t> extractT(TRect &rect);</t>

  TRasterPT<t> extractT(int x0, int y0, int x1, int y1) {</t>

    TRect rect(x0, y0, x1, y1);

    return extractT(rect);

  };

  friend class TRasterPT<t>;</t>

  // Pixel Operations

  void fill(const T &a) { fillRawData(reinterpret_cast<const *="" uchar="">(&a)); }</const>

  void fillOutside(const TRect &rect, const T &a) {

    fillRawDataOutside(rect, reinterpret_cast<const *="" uchar="">(&a));</const>

  }

};

//---------------------------------------------------------

inline TRasterP TRaster::extract(int x0, int y0, int x1, int y1) {

  TRect rect(x0, y0, x1, y1);

  return extract(rect);

}

//---------------------------------------------------------

template <class t=""></class>

TRasterPT<t> TRasterT<t>::extractT(TRect &rect) {</t></t>

  if (isEmpty() || getBounds().overlaps(rect) == false) {

    return TRasterPT<t>();</t>

  }

  rect = getBounds() * rect;

  // addRef();

  return TRasterPT<t>(new TRasterT<t>(rect.getLx(), rect.getLy(), m_wrap,</t></t>

                                      pixels(rect.y0) + rect.x0, this));

}

//=========================================================

//

// metodi inline di TRasterPT

// (n.b. se non si fanno esplicitament "inline" NT si confonde con dll

// export/import)

//

template <class t=""></class>

inline TRasterPT<t>::TRasterPT(const TRasterP &src) {</t>

  TSmartPointerT<trastert<t>>::m_pointer =</trastert<t>

      dynamic_cast<trastert<t> *>(src.getPointer());</trastert<t>

  if (TSmartPointerT<trastert<t>>::m_pointer)</trastert<t>

    TSmartPointerT<trastert<t>>::m_pointer->addRef();</trastert<t>

}

template <class t=""></class>

inline void TRasterPT<t>::create(int lx, int ly) {</t>

  TRasterT<t> *raster = new TRasterT<t>(lx, ly);</t></t>

  *this               = TRasterPT<t>(raster);</t>

}

template <class t=""></class>

inline void TRasterPT<t>::detach() {</t>

  if (!TSmartPointerT<trastert<t>>::m_pointer ||</trastert<t>

      TSmartPointerT<trastert<t>>::m_pointer->getRefCount() == 1)</trastert<t>

    return;

  *this = TRasterPT(TSmartPointerT<trastert<t>>::m_pointer->clone());</trastert<t>

  // uso l'operator di assign per aggiornare correttamente

  // i reference counts del vecchio e del nuovo raster

}

template <class t=""></class>

inline TRasterPT<t>::operator TRasterP() const {</t>

  return TRasterP(TSmartPointerT<trastert<t>>::m_pointer);</trastert<t>

}

//---------------------------------------------------------

template <class t=""></class>

inline TRasterPT<t>::TRasterPT(int lx, int ly, int wrap, T *buffer,</t>

                               bool bufferOwner) {

  TSmartPointerT<trastert<t>>::m_pointer =</trastert<t>

      new TRasterT<t>(lx, ly, wrap, buffer, 0, bufferOwner);</t>

  TSmartPointerT<trastert<t>>::m_pointer->addRef();</trastert<t>

}

//---------------------------------------------------------

#ifdef _WIN32

// su NT e' necessario per evitare un warning nelle classi

// esportate che si riferiscono a TRaster32P/TRaster64P

// su IRIX non compila perche' non riesce ad instanziare le

// funzioni online (!!!)

template class DVAPI TSmartPointerT<trastert<tpixel32>>;</trastert<tpixel32>

template class DVAPI TRasterPT<tpixel32>;</tpixel32>

template class DVAPI TSmartPointerT<trastert<tpixel64>>;</trastert<tpixel64>

template class DVAPI TRasterPT<tpixel64>;</tpixel64>

template class DVAPI TSmartPointerT<trastert<tpixelgr8>>;</trastert<tpixelgr8>

template class DVAPI TRasterPT<tpixelgr8>;</tpixelgr8>

template class DVAPI TSmartPointerT<trastert<tpixelgr16>>;</trastert<tpixelgr16>

template class DVAPI TRasterPT<tpixelgr16>;</tpixelgr16>

template class DVAPI TSmartPointerT<trastert<tpixelgrd>>;</trastert<tpixelgrd>

template class DVAPI TRasterPT<tpixelgrd>;</tpixelgrd>

template class DVAPI TSmartPointerT<trastert<tpixelcy>>;</trastert<tpixelcy>

template class DVAPI TRasterPT<tpixelcy>;</tpixelcy>

#endif

typedef TRasterPT<tpixel32> TRaster32P;</tpixel32>

typedef TRasterPT<tpixel64> TRaster64P;</tpixel64>

typedef TRasterPT<tpixelgr8> TRasterGR8P;</tpixelgr8>

typedef TRasterPT<tpixelgr16> TRasterGR16P;</tpixelgr16>

typedef TRasterPT<tpixelgrd> TRasterGRDP;</tpixelgrd>

typedef TRasterPT<tpixelcy> TRasterYUV422P;</tpixelcy>

//=========================================================

// functions

// trastercentroid.cpp

TPoint computeCentroid(const TRaster32P &r);

//=========================================================

//=========================================================

#endif  //__T_RASTER_INCLUDED