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

#include "tfxparam.h"

#include "stdfx.h"

#include "tparamset.h"

#include "ino_common.h"

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

class ino_level_master final : public TStandardRasterFx {

  FX_PLUGIN_DECLARATION(ino_level_master)

  TRasterFxPort m_input;

  TRasterFxPort m_refer;

  TRangeParamP m_in;

  TRangeParamP m_out;

  TDoubleParamP m_gamma;

  TBoolParamP m_alpha_rendering;

  TBoolParamP m_anti_alias;

  TIntEnumParamP m_ref_mode;

public:

  ino_level_master()

      : m_in(DoublePair(0.0 * ino::param_range(), 1.0 * ino::param_range()))

      , m_out(DoublePair(0.0 * ino::param_range(), 1.0 * ino::param_range()))

      , m_gamma(1.0 * ino::param_range())

      , m_alpha_rendering(false)

      , m_anti_alias(true)

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

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

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

    bindParam(this, "in", this->m_in);

    bindParam(this, "out", this->m_out);

    bindParam(this, "gamma", this->m_gamma);

    bindParam(this, "alpha_rendering", this->m_alpha_rendering);

    bindParam(this, "anti_alias", this->m_anti_alias);

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

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

                                        1.0 * ino::param_range());

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

                                        1.0 * ino::param_range());

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

                                         1.0 * ino::param_range());

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

                                         1.0 * ino::param_range());

    this->m_gamma->setValueRange(0.1 * ino::param_range(),

                                 10.0 * ino::param_range()); /* gamma値 */

    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 &info, double frame) override {

    return true;

  }

  void doCompute(TTile &tile, double frame,

                 const TRenderSettings &rend_sets) override;

};

FX_PLUGIN_IDENTIFIER(ino_level_master, "inoLevelMasterFx");

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

#include "igs_levels.h"

void ino_level_master::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 ---------------------------- */

  DoublePair v_in        = this->m_in->getValue(frame);

  DoublePair v_out       = this->m_out->getValue(frame);

  double gamma           = this->m_gamma->getValue(frame) / ino::param_range();

  const bool alp_rend_sw = this->m_alpha_rendering->getValue();

  const bool anti_alias_sw = this->m_anti_alias->getValue();

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

  v_in.first /= ino::param_range();

  v_in.second /= ino::param_range();

  v_out.first /= ino::param_range();

  v_out.second /= ino::param_range();

  /* ------ 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"

       << "  in_min " << v_in.first << "  in_max " << v_in.second

       << "  out_min " << v_out.first << "  out_max " << v_out.second

       << "  gamma " << gamma << "  alp_rend_sw " << alp_rend_sw

       << "  anti_alias " << anti_alias_sw << "  reference " << 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 {

    TRasterP in_ras = tile.getRaster();

    TRasterGR8P in_gr8(in_ras->getLy(),

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

                           ((TRaster64P)in_ras ? sizeof(unsigned short)

                                               : sizeof(unsigned char)));

    in_ras->lock();

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

      refer_tile.getRaster()->lock();

    }

    in_gr8->lock();

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

    const TRasterP refer_ras = (refer_sw ? refer_tile.getRaster() : nullptr);

    igs::levels::change(

        in_gr8->getRawData()

            ,

        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

        ,

        v_in.first, v_in.second, v_in.first, v_in.second, v_in.first,

        v_in.second, v_in.first, v_in.second, gamma, gamma, gamma, gamma,

        v_out.first, v_out.second, v_out.first, v_out.second, v_out.first,

        v_out.second, v_out.first, v_out.second

        ,

        true  // clamp_sw

        ,

        alp_rend_sw, anti_alias_sw  // --> add_blend_sw, default is true

        );

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

    in_gr8->unlock();

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

      refer_tile.getRaster()->unlock();

    }

    in_ras->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;

  }

}