Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
#include "stdfx.h"
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#include "tfxparam.h"
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#include "tspectrumparam.h"
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class MultiToneFx final : public TStandardRasterFx {
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  FX_PLUGIN_DECLARATION(MultiToneFx)
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  TRasterFxPort m_input;
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  TSpectrumParamP m_colors;
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public:
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  MultiToneFx() {
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    TSpectrum::ColorKey colors[] = {TSpectrum::ColorKey(0, TPixel32::White),
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                                    TSpectrum::ColorKey(0.5, TPixel32::Yellow),
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                                    TSpectrum::ColorKey(1, TPixel32::Red)};
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    m_colors = TSpectrumParamP(tArrayCount(colors), colors);
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    bool ret = m_colors->isKeyframe(0);
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    bindParam(this, "colors", m_colors);
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    ret = getParams()->getParam(0)->isKeyframe(0);
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    addInputPort("Source", m_input);
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  }
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  ~MultiToneFx(){};
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  bool doGetBBox(double frame, TRectD &bBox,
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                 const TRenderSettings &info) override {
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    if (m_input.isConnected())
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      return m_input->doGetBBox(frame, bBox, info);
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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 &) override;
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  bool canHandle(const TRenderSettings &info, double frame) override {
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    return true;
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  }
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};
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template <typename channel_type="" pixel,="" pixelgray,="" typename=""></typename>
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void doMultiTone(const TRasterPT<pixel> &ras,</pixel>
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                 const TSpectrumT<pixel> &spectrum) {</pixel>
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  double aux = (double)PIXEL::maxChannelValue;
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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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        CHANNEL_TYPE reference;
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        double s;
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        reference = PIXELGRAY::from(*pix).value;
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        s         = reference / aux;
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        if (pix->m == aux) {
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          *pix = spectrum.getPremultipliedValue(s);
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        } else {
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          PIXEL tmp = spectrum.getPremultipliedValue(s);
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          s         = pix->m / aux;
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          tmp.r     = (CHANNEL_TYPE)(tmp.r * s);
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          tmp.g     = (CHANNEL_TYPE)(tmp.g * s);
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          tmp.b     = (CHANNEL_TYPE)(tmp.b * s);
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          tmp.m     = (CHANNEL_TYPE)(tmp.m * s);
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          *pix      = tmp;
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        }
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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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//------------------------------------------------------------------------------
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void MultiToneFx::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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  if (TRaster32P raster32 = tile.getRaster())
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    doMultiTone<tpixel32, tpixelgr8,="" uchar="">(raster32,</tpixel32,>
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                                            m_colors->getValue(frame));
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  else if (TRaster64P raster64 = tile.getRaster())
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    doMultiTone<tpixel64, tpixelgr16,="" ushort="">(raster64,</tpixel64,>
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                                              m_colors->getValue64(frame));
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  else
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    throw TException("MultiToneFx: unsupported Pixel Type");
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}
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//------------------------------------------------------------------
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FX_PLUGIN_IDENTIFIER(MultiToneFx, "multiToneFx")