Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
#include "stdfx.h"
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#include "tfxparam.h"
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//#include "trop.h"
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#include "tdoubleparam.h"
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//#include "tnotanimatableparam.h"
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#include "tpixelgr.h"
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#include "trasterfx.h"
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//-------------------------------------------------------------------
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namespace {
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//==================================================================
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enum Status {
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  StatusGood        = 0,
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  OutOfTime         = 1 << 1,  // Non utilizzato
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  Port0NotConnected = 1 << 2,
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  Port1NotConnected = 1 << 3,
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  NoPortsConnected  = Port0NotConnected | Port1NotConnected
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};
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inline Status operator|(const Status &l, const Status &r) {
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  return Status(((int)l | (int)r));
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}
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inline int operator&(const Status &l) { return int(l); }
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Status getFxStatus(const TRasterFxPort &port0, const TRasterFxPort &port1) {
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  Status status                    = StatusGood;
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  if (!port0.isConnected()) status = status | Port0NotConnected;
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  if (!port1.isConnected()) status = status | Port1NotConnected;
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  return status;
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}
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/*inline*/
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template <typename p="" q,="" t,="" typename=""></typename>
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void doLocalTransparency(TRasterPT<t> out, TRasterPT<t> src, TRasterPT<t> ref,</t></t></t>
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                         double transp) {
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  out->lock();
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  ref->lock();
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  src->lock();
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  T *outRow   = out->pixels();
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  T *refRow   = ref->pixels();
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  T *srcRow   = src->pixels();
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  int outWrap = out->getWrap();
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  int refWrap = ref->getWrap();
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  int srcWrap = src->getWrap();
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  T *outPix  = outRow;
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  T *srcPix  = srcRow;
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  T *refPix  = refRow;
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  T *lastPix = outRow + outWrap * out->getLy();
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  const int cropVal = T::maxChannelValue;
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  double factor     = transp / (double)cropVal;
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  while (outPix < lastPix) {
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    T *endPix = outPix + out->getLx();
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    while (outPix < endPix) {
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      double local_transp = 1 - (Q::from(*refPix).value) * factor;
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      if (local_transp > 0.0) {
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        int val   = (int)(local_transp * srcPix->r + 0.5);
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        outPix->r = (P)((val < cropVal) ? val : cropVal);
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        val       = (int)(local_transp * srcPix->g + 0.5);
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        outPix->g = (P)((val < cropVal) ? val : cropVal);
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        val       = (int)(local_transp * srcPix->b + 0.5);
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        outPix->b = (P)((val < cropVal) ? val : cropVal);
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        val       = (int)(local_transp * srcPix->m + 0.5);
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        outPix->m = (P)((val < cropVal) ? val : cropVal);
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      } else {
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        outPix->r = outPix->g = outPix->b = outPix->m = 0;
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      }
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      ++outPix;
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      ++refPix;
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      ++srcPix;
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    }
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    srcRow += srcWrap;
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    outRow += outWrap;
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    refRow += refWrap;
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    srcPix = srcRow;
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    outPix = outRow;
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    refPix = refRow;
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  }
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  out->unlock();
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  ref->unlock();
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  src->unlock();
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}
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//-------------------------------------------------------------------
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inline double func(int x, int y, int lx, int ly) {
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  return ((1 + sin(3.14 * x / (0.5 * lx))) * (1 + cos(3.14 * y / (0.5 * ly))));
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}
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void drawCheckboard(TRaster32P &raster) {
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  int lx = raster->getLx();
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  int ly = raster->getLy();
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  // int chessSize = 4;
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  int x, y;
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  raster->lock();
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  for (y = 0; y < ly; ++y) {
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    TPixel32 *pix = raster->pixels(y);
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    for (x = 0; x < lx; ++x, ++pix) {
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      pix->r = pix->g = pix->b =
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          troundp(255.0 * func(x, y, lx, ly) / func(lx - 1, ly - 1, lx, ly));
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      pix->m = 255;
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    }
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  }
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  raster->unlock();
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}
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};
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//-------------------------------------------------------------------
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class LocalTransparencyFx : public TStandardRasterFx {
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  FX_PLUGIN_DECLARATION(LocalTransparencyFx)
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protected:
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  TRasterFxPort m_src, m_ref;
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  TDoubleParamP m_value;
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public:
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  LocalTransparencyFx() : m_value(100) {
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    addInputPort("Source", m_src);
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    addInputPort("Reference", m_ref);
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    bindParam(this, "value", m_value);
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    m_value->setValueRange(0, 100);
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  }
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  virtual ~LocalTransparencyFx() {}
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  bool doGetBBox(double frame, TRectD &bBox, const TRenderSettings &info) override {
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    if (m_src.isConnected())
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      return m_src->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 &ri) override {
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    if (!checkBeforeCompute(tile, frame, ri)) return;
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    TTile srcTile;
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    m_src->allocateAndCompute(srcTile, tile.m_pos, tile.getRaster()->getSize(),
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                              tile.getRaster(), frame, ri);
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    // TTile refTile = tile;
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    m_ref->compute(tile, frame, ri);
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    // TRaster32P ref32 (refTile.getRaster());
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    TRaster32P out32(tile.getRaster());
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    TRaster32P src32(srcTile.getRaster());
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    if (out32 && src32)
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      doLocalTransparency<tpixelrgbm32, tpixelgr8,="" uchar="">(</tpixelrgbm32,>
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          out32, src32, out32, m_value->getValue(frame) / 100.);
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    else {
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      // TRaster64P ref64(refTile.getRaster());
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      TRaster64P out64(tile.getRaster());
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      TRaster64P src64(srcTile.getRaster());
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      if (out64 && src64)
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        doLocalTransparency<tpixelrgbm64, tpixelgr16,="" ushort="">(</tpixelrgbm64,>
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            out64, src64, out64, m_value->getValue(frame) / 100.);
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      else
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        throw TException("LocalTransparencyFx: unsupported raster type");
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    }
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  }
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  bool checkBeforeCompute(TTile &tile, double frame,
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                          const TRenderSettings &info) {
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    Status status = getFxStatus(m_src, m_ref);
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    if ((status & NoPortsConnected) == NoPortsConnected) return false;
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    if ((status & OutOfTime) == OutOfTime) return false;
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    if ((status & Port0NotConnected) == Port0NotConnected) return false;
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    if ((status & Port1NotConnected) == Port1NotConnected) {
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      m_src->compute(tile, frame, info);
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      return false;
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    }
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    assert(status == StatusGood);
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    return true;
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  }
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  bool canHandle(const TRenderSettings &info, double frame) override { return true; }
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  int getMemoryRequirement(const TRectD &rect, double frame,
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                           const TRenderSettings &info) override {
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    return TRasterFx::memorySize(rect, info.m_bpp);
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  }
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};
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//-------------------------------------------------------------------
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FX_PLUGIN_IDENTIFIER(LocalTransparencyFx, "localTransparencyFx")