#include "tbasefx.h"

#include "trop.h"

#include "tdoubleparam.h"

#include "tnotanimatableparam.h"

#include "trasterfx.h"

#include "tflash.h"

#include "tfxparam.h"

//#define ALLOW_SHEAR

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

TGeometryFx::TGeometryFx() { setName(L"Geometry"); }

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

void TGeometryFx::compute(TFlash &flash, int frame) {

  flash.multMatrix(getPlacement(frame));

  TRasterFx::compute(flash, frame);

}

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

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

                            const TRenderSettings &ri) {

  TRasterFxPort *input = dynamic_cast<trasterfxport *="">(getInputPort(0));</trasterfxport>

  assert(input);

  if (!input->isConnected()) return;

  if (!getActiveTimeRegion().contains(frame)) {

    TRasterFxP(input->getFx())->compute(tile, frame, ri);

    return;

  }

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

    throw TException("AffineFx unsupported pixel type");

  TAffine aff1 = getPlacement(frame);

  TRenderSettings ri2(ri);

  ri2.m_affine = ri2.m_affine * aff1;

  TRasterFxP src = getInputPort("source")->getFx();

  src->compute(tile, frame, ri2);

  return;

}

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

bool TGeometryFx::doGetBBox(double frame, TRectD &bBox,

                            const TRenderSettings &info) {

  TRasterFxPort *input = dynamic_cast<trasterfxport *="">(getInputPort(0));</trasterfxport>

  assert(input);

  if (input->isConnected()) {

    TRasterFxP fx = input->getFx();

    assert(fx);

    bool ret = fx->doGetBBox(frame, bBox, info);

    if (getActiveTimeRegion().contains(frame))

      bBox = getPlacement(frame) * bBox;

    return ret;

  } else {

    bBox = TRectD();

    return false;

  }

  return true;

};

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

std::string TGeometryFx::getAlias(double frame,

                                  const TRenderSettings &info) const {

  TGeometryFx *tthis = const_cast<tgeometryfx *="">(this);</tgeometryfx>

  TAffine affine     = tthis->getPlacement(frame);

  std::string alias = getFxType();

  alias += "[";

  // alias degli effetti connessi alle porte di input separati da virgole

  // una porta non connessa da luogo a un alias vuoto (stringa vuota)

  for (int i = 0; i < getInputPortCount(); ++i) {

    TFxPort *port = getInputPort(i);

    if (port->isConnected()) {

      TRasterFxP ifx = port->getFx();

      assert(ifx);

      alias += ifx->getAlias(frame, info);

    }

    alias += ",";

  }

  return alias +

         (areAlmostEqual(affine.a11, 0) ? "0" : ::to_string(affine.a11, 5)) +

         "," +

         (areAlmostEqual(affine.a12, 0) ? "0" : ::to_string(affine.a12, 5)) +

         "," +

         (areAlmostEqual(affine.a13, 0) ? "0" : ::to_string(affine.a13, 5)) +

         "," +

         (areAlmostEqual(affine.a21, 0) ? "0" : ::to_string(affine.a21, 5)) +

         "," +

         (areAlmostEqual(affine.a22, 0) ? "0" : ::to_string(affine.a22, 5)) +

         "," +

         (areAlmostEqual(affine.a23, 0) ? "0" : ::to_string(affine.a23, 5)) +

         "]";

}

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

void TGeometryFx::transform(double frame, int port, const TRectD &rectOnOutput,

                            const TRenderSettings &infoOnOutput,

                            TRectD &rectOnInput, TRenderSettings &infoOnInput) {

  rectOnInput = rectOnOutput;

  TAffine aff = getPlacement(frame);

  infoOnInput          = infoOnOutput;

  infoOnInput.m_affine = infoOnInput.m_affine * aff;

}

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

NaAffineFx::NaAffineFx(bool isDpiAffine)

    : m_aff(TAffine()), m_isDpiAffine(isDpiAffine) {

  addInputPort("source", m_port);

  setName(L"Geometry-NaAffineFx");

}

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

TFx *NaAffineFx::clone(bool recursive) const {

  NaAffineFx *clonedFx = dynamic_cast<naaffinefx *="">(TFx::clone(recursive));</naaffinefx>

  assert(clonedFx);

  clonedFx->m_aff         = m_aff;

  clonedFx->m_isDpiAffine = m_isDpiAffine;

  return clonedFx;

}

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

void NaAffineFx::compute(TFlash &flash, int frame) {

  TGeometryFx::compute(flash, frame);

}

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

void TRasterFx::compute(TFlash &flash, int frame) {

  for (int i = getInputPortCount() - 1; i >= 0; i--) {

    TFxPort *port = getInputPort(i);

    if (port->isConnected() && !port->isaControlPort()) {

      flash.pushMatrix();

      ((TRasterFxP)(port->getFx()))->compute(flash, frame);

      flash.popMatrix();

    }

  }

}

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

FX_IDENTIFIER_IS_HIDDEN(NaAffineFx, "naAffineFx")

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

//  Geometric Fx

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

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

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

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

class InvertFx final : public TBaseRasterFx {

  FX_DECLARATION(InvertFx)

  TRasterFxPort m_input;

  TBoolParamP m_redChan, m_greenChan, m_blueChan, m_alphaChan;

public:

  InvertFx()

      : m_redChan(true)

      , m_greenChan(true)

      , m_blueChan(true)

      , m_alphaChan(false) {

    addInputPort("source", m_input);

    //   bindParam(this, "red_channel"  , m_redChan);

    //   bindParam(this, "green_channel", m_greenChan);

    //   bindParam(this, "blue_channel" , m_blueChan);

    //   bindParam(this, "alpha_channel", m_alphaChan);

    setName(L"InvertFx");

  };

  ~InvertFx(){};

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

    return true;

  }

  bool doGetBBox(double frame, TRectD &bBox,

                 const TRenderSettings &info) override {

    if (m_input.isConnected()) {

      bool ret = m_input->doGetBBox(frame, bBox, info);

      return ret;

    } else {

      bBox = TRectD();

      return false;

    }

  };

  void doCompute(TTile &tile, double frame,

                 const TRenderSettings &ri) override {

    if (!m_input.isConnected()) return;

    m_input->compute(tile, frame, ri);

    TRop::invert(tile.getRaster(), m_redChan->getValue(),

                 m_greenChan->getValue(), m_blueChan->getValue(),

                 m_alphaChan->getValue());

  }

};

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

//  Video Fx

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

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

//===

// Geometric

// FX_IDENTIFIER(ScaleFx,       "scaleFx")

// FX_IDENTIFIER(MoveFx,        "moveFx")

// FX_IDENTIFIER(AffineFx,      "affineFx")

// FX_IDENTIFIER(CropFx,        "cropFx")

// Color

FX_IDENTIFIER(InvertFx, "invertFx")

// Video

// FX_IDENTIFIER(FieldFx,       "fieldFx")

// FX_IDENTIFIER(SwapFieldsFx,  "swapFieldsFx")

// FX_IDENTIFIER(DeInterlaceFx, "deInterlaceFx")

// FX_IDENTIFIER(InterlaceFx,   "interlaceFx")