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#include <sstream> /* std::ostringstream */</sstream>
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#include "tfxparam.h"
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#include "stdfx.h"
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#include "ino_common.h"
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//------------------------------------------------------------
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/*
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toonz6.4sg ではTStandardRasterFx
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toonz7.0   ではTStandardZeraryFx
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*/
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class ino_pn_clouds : public TStandardZeraryFx {
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  FX_PLUGIN_DECLARATION(ino_pn_clouds)
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  TDoubleParamP m_size;
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  TDoubleParamP m_z;
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  TIntEnumParamP m_octaves;
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  TDoubleParamP m_persistance;
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  TBoolParamP m_alpha_rendering;
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public:
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  ino_pn_clouds()
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      : m_size(10.0)
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      , m_z(0.0)
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      , m_octaves(new TIntEnumParam(0, "1"))
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      , m_persistance(0.5)
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      , m_alpha_rendering(true) {
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    this->m_size->setMeasureName("fxLength");
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    bindParam(this, "size", this->m_size);
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    bindParam(this, "z", this->m_z);
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    bindParam(this, "octaves", this->m_octaves);
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    this->m_octaves->addItem(1, "2");
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    this->m_octaves->addItem(2, "3");
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    this->m_octaves->addItem(3, "4");
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    this->m_octaves->addItem(4, "5");
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    this->m_octaves->addItem(5, "6");
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    this->m_octaves->addItem(6, "7");
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    this->m_octaves->addItem(7, "8");
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    this->m_octaves->addItem(8, "9");
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    this->m_octaves->addItem(9, "10");
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    bindParam(this, "persistance", this->m_persistance);
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    bindParam(this, "alpha_rendering", this->m_alpha_rendering);
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    this->m_size->setValueRange(0.0, 1000.0);
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    this->m_persistance->setValueRange(0.1 * ino::param_range(),
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                                       2.0 * ino::param_range());
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  }
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  bool doGetBBox(double frame, TRectD &bBox, const TRenderSettings &info) override {
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    bBox = TConsts::infiniteRectD;
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    return true;
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  }
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  bool canHandle(const TRenderSettings &info, double frame) override { return false; }
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  void doCompute(TTile &tile, double frame, const TRenderSettings &rend_sets) override;
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};
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FX_PLUGIN_IDENTIFIER(ino_pn_clouds, "inopnCloudsFx");
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// ------------------------------------------------------------------
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#include "igs_perlin_noise.h"
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namespace {
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void fx_(TRasterP in_ras, const double zz, const int octaves,
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         const double persistance, const bool alpha_rendering_sw,
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         const double a11, const double a12, const double a13, const double a21,
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         const double a22, const double a23) {
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  igs::perlin_noise::change(
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      in_ras->getRawData()  // BGRA
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      ,
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      in_ras->getLy(), in_ras->getLx()  // =in_ras->getWrap()???
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      ,
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      ino::channels(), ino::bits(in_ras), alpha_rendering_sw, a11, a12, a13,
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      a21, a22, a23, zz, 0, octaves, persistance);
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}
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}
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//------------------------------------------------------------
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void ino_pn_clouds::doCompute(TTile &tile, double frame,
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                              const TRenderSettings &rend_sets) {
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  /* ------ サポートしていないPixelタイプはエラーを投げる --- */
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  if (!((TRaster32P)tile.getRaster()) && !((TRaster64P)tile.getRaster())) {
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    throw TRopException("unsupported input pixel type");
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  }
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  /* ------ Pixel単位で動作パラメータを得る ----------------- */
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  /* 単位変換用スケーリング
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  行列値(=外積?=面積?)
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          rend_sets.m_affine.det() = a11*a22-a12*a21 // double
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  シュリンク値
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          rend_sets.m_shrinkX // int
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          rend_sets.m_shrinkY // int
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  2009-10-09
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          必ず1が返るようになり、
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          シュリンク値はscale値と中心の移動値として
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          m_affineに含まれるようになった、
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          いつからか分からない、、、。
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          詳細不明。??????????????????
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  */
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  /* 動作パラメータを得る */
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  const double size        = this->m_size->getValue(frame);
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  const double zz          = this->m_z->getValue(frame);
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  const int octaves        = this->m_octaves->getValue();
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  const double persistance = this->m_persistance->getValue(frame);
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  const bool alp_rend_sw   = this->m_alpha_rendering->getValue();
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  TAffine aff        = rend_sets.m_affine * TScale(ino::pixel_per_mm());
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  const double scale = 1.0 / (size * sqrt(fabs(aff.det())));
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  TAffine aff_pn     = TScale(scale) * TTranslation(tile.m_pos);
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  /* ------ 保存すべき画像メモリを塗りつぶしクリア ---------- */
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  tile.getRaster()->clear(); /* 塗りつぶしクリア */
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  /* ------ (app_begin)log記憶 ------------------------------ */
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  const bool log_sw = ino::log_enable_sw();
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  if (log_sw) {
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    std::ostringstream os;
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    os << "params"
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       << "  size " << size << "  z " << zz << "  octaves " << octaves
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       << "  persistance " << persistance << "  alp_rend_sw " << alp_rend_sw
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       << "   tile w " << tile.getRaster()->getLx() << "  h "
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       << tile.getRaster()->getLy() << "  pixbits "
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       << ino::pixel_bits(tile.getRaster());
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    os << "   frame " << frame << "   aff_pn scale " << scale << "  pos x "
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       << tile.m_pos.x << "  y " << tile.m_pos.y;
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  }
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  /* ------ fx処理 ------------------------------------------ */
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  try {
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    tile.getRaster()->lock();
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    fx_(tile.getRaster(), zz, octaves, persistance, alp_rend_sw, aff_pn.a11,
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        aff_pn.a12, aff_pn.a13, aff_pn.a21, aff_pn.a22, aff_pn.a23);
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    tile.getRaster()->unlock();
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  }
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  /* ------ error処理 --------------------------------------- */
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  catch (std::bad_alloc &e) {
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    tile.getRaster()->unlock();
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    if (log_sw) {
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      std::string str("std::bad_alloc <");
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      str += e.what();
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      str += '>';
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    }
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    throw;
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  } catch (std::exception &e) {
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    tile.getRaster()->unlock();
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    if (log_sw) {
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      std::string str("exception <");
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      str += e.what();
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      str += '>';
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    }
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    throw;
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  } catch (...) {
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    tile.getRaster()->unlock();
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    if (log_sw) {
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      std::string str("other exception");
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    }
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    throw;
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  }
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}