#include <sstream> /* std::ostringstream */</sstream>

#include "tfxparam.h"

#include "stdfx.h"

#include "ino_common.h"

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

class ino_density final : public TStandardRasterFx {

  FX_PLUGIN_DECLARATION(ino_density)

  TRasterFxPort m_input;

  TRasterFxPort m_refer;

  TDoubleParamP m_density;

  TIntEnumParamP m_ref_mode;

public:

  ino_density()

      : m_density(1.0 * ino::param_range())

      , m_ref_mode(new TIntEnumParam(0, "Red")) {

    addInputPort("Source", this->m_input);

    addInputPort("Reference", this->m_refer);

    bindParam(this, "density", this->m_density);

    bindParam(this, "reference", this->m_ref_mode);

    this->m_density->setValueRange(0.0 * ino::param_range(),

                                   10.0 * ino::param_range());

    this->m_ref_mode->addItem(1, "Green");

    this->m_ref_mode->addItem(2, "Blue");

    this->m_ref_mode->addItem(3, "Alpha");

    this->m_ref_mode->addItem(4, "Luminance");

    this->m_ref_mode->addItem(-1, "Nothing");

  }

  bool doGetBBox(double frame, TRectD &bBox,

                 const TRenderSettings &info) override {

    if (this->m_input.isConnected()) {

      return this->m_input->doGetBBox(frame, bBox, info);

    } else {

      bBox = TRectD();

      return false;

    }

  }

  bool canHandle(const TRenderSettings &rend_sets, double frame) override {

    return true;

  }

  void doCompute(TTile &tile, double frame,

                 const TRenderSettings &rend_sets) override;

};

FX_PLUGIN_IDENTIFIER(ino_density, "inoDensityFx");

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

#include "igs_density.h"

namespace {

void fx_(TRasterP in_ras, TRasterP refer_ras, const int refer_mode,

         const double density) {

  TRasterGR8P in_gr8(in_ras->getLy(),

                     in_ras->getLx() * ino::channels() *

                         ((TRaster64P)in_ras ? sizeof(unsigned short)

                                             : sizeof(unsigned char)));

  in_gr8->lock();

  ino::ras_to_arr(in_ras, ino::channels(), in_gr8->getRawData());

  igs::density::change(

      in_gr8->getRawData()  // BGRA

      ,

      in_ras->getLy(), in_ras->getLx()  // Not use in_ras->getWrap()

      ,

      ino::channels(), ino::bits(in_ras)

                           ,

      (((refer_ras != nullptr) && (0 <= refer_mode)) ? refer_ras->getRawData()

                                                     : nullptr)  // BGRA

      ,

      (((refer_ras != nullptr) && (0 <= refer_mode)) ? ino::bits(refer_ras)

                                                     : 0),

      refer_mode

      ,

      density);

  ino::arr_to_ras(in_gr8->getRawData(), ino::channels(), in_ras, 0);

  in_gr8->unlock();

}

}

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

void ino_density::doCompute(TTile &tile, double frame,

                            const TRenderSettings &rend_sets) {

  /* ------ 接続していなければ処理しない -------------------- */

  if (!this->m_input.isConnected()) {

    tile.getRaster()->clear(); /* 塗りつぶしクリア */

    return;

  }

  /* ------ サポートしていないPixelタイプはエラーを投げる --- */

  if (!((TRaster32P)tile.getRaster()) && !((TRaster64P)tile.getRaster())) {

    throw TRopException("unsupported input pixel type");

  }

  /* ------ 動作パラメータを得る ---------------------------- */

  const double density = this->m_density->getValue(frame) / ino::param_range();

  const int refer_mode = this->m_ref_mode->getValue();

  /* ------ 画像生成 ---------------------------------------- */

  this->m_input->compute(tile, frame, rend_sets);

  /*------ 参照画像生成 --------------------------------------*/

  TTile refer_tile;

  bool refer_sw = false;

  if (this->m_refer.isConnected()) {

    refer_sw = true;

    this->m_refer->allocateAndCompute(

        refer_tile, tile.m_pos,

        TDimensionI(/* Pixel単位 */

                    tile.getRaster()->getLx(), tile.getRaster()->getLy()),

        tile.getRaster(), frame, rend_sets);

  }

  /* ------ (app_begin)log記憶 ------------------------------ */

  const bool log_sw = ino::log_enable_sw();

  if (log_sw) {

    std::ostringstream os;

    os << "params"

       << "  den " << density << "  refer_mode " << refer_mode << "   tile w "

       << tile.getRaster()->getLx() << "  h " << tile.getRaster()->getLy()

       << "  pixbits " << ino::pixel_bits(tile.getRaster()) << "   frame "

       << frame;

    if (refer_sw) {

      os << "  refer_tile.m_pos " << refer_tile.m_pos << "  refer_tile_getLx "

         << refer_tile.getRaster()->getLx() << "  y "

         << refer_tile.getRaster()->getLy();

    }

  }

  /* ------ fx処理 ------------------------------------------ */

  try {

    tile.getRaster()->lock();

    if (refer_tile.getRaster() != nullptr) {

      refer_tile.getRaster()->lock();

    }

    fx_(tile.getRaster(), refer_tile.getRaster(), refer_mode, density);

    if (refer_tile.getRaster() != nullptr) {

      refer_tile.getRaster()->unlock();

    }

    tile.getRaster()->unlock();

  }

  /* ------ error処理 --------------------------------------- */

  catch (std::bad_alloc &e) {

    if (refer_tile.getRaster() != nullptr) {

      refer_tile.getRaster()->unlock();

    }

    tile.getRaster()->unlock();

    if (log_sw) {

      std::string str("std::bad_alloc <");

      str += e.what();

      str += '>';

    }

    throw;

  } catch (std::exception &e) {

    if (refer_tile.getRaster() != nullptr) {

      refer_tile.getRaster()->unlock();

    }

    tile.getRaster()->unlock();

    if (log_sw) {

      std::string str("exception <");

      str += e.what();

      str += '>';

    }

    throw;

  } catch (...) {

    if (refer_tile.getRaster() != nullptr) {

      refer_tile.getRaster()->unlock();

    }

    tile.getRaster()->unlock();

    if (log_sw) {

      std::string str("other exception");

    }

    throw;

  }

}