Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
#include "texception.h"
Toshihiro Shimizu 890ddd
#include "tfxparam.h"
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
#include "stdfx.h"
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#include "trandom.h"
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
//===================================================================
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
class SaltPepperNoiseFx : public TStandardRasterFx {
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  FX_PLUGIN_DECLARATION(SaltPepperNoiseFx)
Toshihiro Shimizu 890ddd
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  TRasterFxPort m_input;
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  TDoubleParamP m_Intensity;
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  TBoolParamP m_Animate;
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
public:
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  SaltPepperNoiseFx() : m_Intensity(30.0), m_Animate(0.0) {
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    bindParam(this, "Intensity", m_Intensity);
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    bindParam(this, "Animate", m_Animate);
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    addInputPort("Source", m_input);
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    m_Intensity->setValueRange(0.0, 100.0);
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  }
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  ~SaltPepperNoiseFx(){};
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  bool doGetBBox(double frame, TRectD &bBox, const TRenderSettings &info) override {
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    if (m_input.isConnected()) {
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      bool ret = m_input->doGetBBox(frame, bBox, info);
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      return ret;
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    } else {
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      bBox = TRectD();
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      return false;
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    }
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  }
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  void doCompute(TTile &tile, double frame, const TRenderSettings &ri) override;
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  std::string getAlias(double frame, const TRenderSettings &info) const override;
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  bool canHandle(const TRenderSettings &info, double frame) override { return true; }
Toshihiro Shimizu 890ddd
};
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
template <typename pixel=""></typename>
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void doSaltPepperNoise(const TRasterPT<pixel> &ras, const double intensity,</pixel>
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                       TRandom &rnd, bool animate, double frame) {
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  if (animate) rnd.setSeed(frame);
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  double data  = 0.5 * intensity;
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  double data1 = data + 0.5;
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  double data2 = 0.5 - data;
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  int j;
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  ras->lock();
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  for (j = 0; j < ras->getLy(); j++) {
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    PIXEL *pix    = ras->pixels(j);
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    PIXEL *endPix = pix + ras->getLx();
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    while (pix < endPix) {
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      if (pix->m) {
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        data = rnd.getFloat();
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        if (data >= 0.5 && data < data1) {
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          pix->r = pix->g = pix->b = 0;
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        } else if (data >= data2 && data < 0.5)
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          pix->r = pix->g = pix->b = pix->m;
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      }
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      *pix++;
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    }
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  }
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  ras->unlock();
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}
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//-------------------------------------------------------------------
Toshihiro Shimizu 890ddd
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void SaltPepperNoiseFx::doCompute(TTile &tile, double frame,
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                                  const TRenderSettings &ri) {
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  if (!m_input.isConnected()) return;
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  m_input->compute(tile, frame, ri);
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  TRandom rnd;
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  double intensity = m_Intensity->getValue(frame) / 100.0;
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  ;
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  bool animate        = m_Animate->getValue();
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  TRaster32P raster32 = tile.getRaster();
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  if (raster32)
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    doSaltPepperNoise<tpixel32>(raster32, intensity, rnd, animate, frame);</tpixel32>
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  else {
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    TRaster64P raster64 = tile.getRaster();
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    if (raster64)
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      doSaltPepperNoise<tpixel64>(raster64, intensity, rnd, animate, frame);</tpixel64>
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    else
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      throw TException("SaltPepperNoiseFx: unsupported Pixel Type");
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  }
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}
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//------------------------------------------------------------------
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std::string SaltPepperNoiseFx::getAlias(double frame,
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                                        const TRenderSettings &info) const {
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  std::string alias = getFxType();
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  alias += "[";
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  // alias degli effetti connessi alle porte di input separati da virgole
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  // una porta non connessa da luogo a un alias vuoto (stringa vuota)
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  int i = 0;
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  for (i = 0; i < getInputPortCount(); i++) {
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    TFxPort *port = getInputPort(i);
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    if (port->isConnected()) {
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      TRasterFxP ifx = port->getFx();
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      assert(ifx);
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      alias += ifx->getAlias(frame, info);
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    }
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    alias += ",";
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  }
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  bool addframe = 0;
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  std::string paramalias("");
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  for (i = 0; i < getParams()->getParamCount(); i++) {
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    TParam *param = getParams()->getParam(i);
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    paramalias += param->getName() + "=" + param->getValueAlias(frame, 3);
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    if (param->getName() == "Animate" && param->getValueAlias(frame, 0) == "1")
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      addframe = true;
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  }
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  if (addframe) alias += std::to_string(frame) + ",";
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  alias += paramalias + "]";
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  return alias;
Toshihiro Shimizu 890ddd
}
Toshihiro Shimizu 890ddd
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FX_PLUGIN_IDENTIFIER(SaltPepperNoiseFx, "saltpepperNoiseFx");