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#include "tenv.h"
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#include "tsystem.h"
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#include "ino_common.h"
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#include "tfxparam.h"
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#include <sstream> /* std::ostringstream */</sstream>
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/* copy and paste from
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 igs_ifx_common.h */
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namespace igs {
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namespace image {
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namespace rgba {
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enum num { blu = 0, gre, red, alp, siz };
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}
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}  // namespace image
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}  // namespace igs
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//------------------------------------------------------------
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namespace {
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// T is TPixel32 or TPixel64
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// U is unsigned char or unsigned short
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template <class class="" t,="" u=""></class>
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void ras_to_arr_(const TRasterPT<t> ras, U* arr, const int channels) {</t>
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  using namespace igs::image::rgba;
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  for (int yy = 0; yy < ras->getLy(); ++yy) {
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    const T* ras_sl = ras->pixels(yy);
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    for (int xx = 0; xx < ras->getLx(); ++xx, arr += channels) {
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      if (red < channels) {
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        arr[red] = ras_sl[xx].r;
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      }
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      if (gre < channels) {
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        arr[gre] = ras_sl[xx].g;
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      }
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      if (blu < channels) {
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        arr[blu] = ras_sl[xx].b;
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      }
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      if (alp < channels) {
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        arr[alp] = ras_sl[xx].m;
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      }
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    }
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  }
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}
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template <class class="" t="" u,=""></class>
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void arr_to_ras_(const U* arr, const int channels, TRasterPT<t> ras,</t>
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                 const int margin  // default is 0
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) {
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  arr +=
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      (ras->getLx() + margin + margin) * margin * channels + margin * channels;
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  using namespace igs::image::rgba;
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  for (int yy = 0; yy < ras->getLy();
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       ++yy, arr += (ras->getLx() + margin + margin) * channels) {
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    const U* arrx = arr;
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    T* ras_sl     = ras->pixels(yy);
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    for (int xx = 0; xx < ras->getLx(); ++xx, arrx += channels) {
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      if (red < channels) {
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        ras_sl[xx].r = arrx[red];
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      }
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      if (gre < channels) {
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        ras_sl[xx].g = arrx[gre];
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      }
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      if (blu < channels) {
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        ras_sl[xx].b = arrx[blu];
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      }
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      if (alp < channels) {
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        ras_sl[xx].m = arrx[alp];
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      }
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    }
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  }
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}
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}  // namespace
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//--------------------
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void ino::ras_to_arr(const TRasterP in_ras, const int channels,
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                     unsigned char* out_arr) {
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  if ((TRaster32P)in_ras) {
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    ras_to_arr_<tpixel32, char="" unsigned="">(in_ras, out_arr, channels);</tpixel32,>
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  } else if ((TRaster64P)in_ras) {
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    ras_to_arr_<tpixel64, short="" unsigned="">(</tpixel64,>
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        in_ras, reinterpret_cast<unsigned short*="">(out_arr), channels);</unsigned>
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  }
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}
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void ino::arr_to_ras(const unsigned char* in_arr, const int channels,
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                     TRasterP out_ras, const int margin) {
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  if ((TRaster32P)out_ras) {
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    arr_to_ras_<unsigned char,="" tpixel32="">(in_arr, channels, out_ras, margin);</unsigned>
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  } else if ((TRaster64P)out_ras) {
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    arr_to_ras_<unsigned short,="" tpixel64="">(</unsigned>
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        reinterpret_cast<const short*="" unsigned="">(in_arr), channels, out_ras,</const>
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        margin);
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  }
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}
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//--------------------
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void ino::ras_to_vec(const TRasterP in_ras, const int channels,
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                     std::vector<unsigned char="">& out_vec) {</unsigned>
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  out_vec.resize(
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      in_ras->getLy() * in_ras->getLx() * channels *
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      (((TRaster64P)in_ras) ? sizeof(unsigned short) : sizeof(unsigned char)));
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  ino::ras_to_arr(in_ras, channels, &out_vec.at(0));
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}
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void ino::vec_to_ras(std::vector<unsigned char="">& in_vec, const int channels,</unsigned>
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                     TRasterP out_ras, const int margin  // default is 0
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) {
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  ino::arr_to_ras(&in_vec.at(0), channels, out_ras, margin);
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  in_vec.clear();
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}
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//--------------------
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#if 0   //---
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void ino::Lx_to_wrap( TRasterP ras ) {
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	/*
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	ras->getLx()   : 描画の幅
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	ras->getWrap() : データの存在幅
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	描画幅よりデータの存在幅の方が大きい場合、
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	存在幅位置に置き直し、残りをゼロクリア
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	*/
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	if ( ras->getWrap() <= ras->getLx() ) { return; }
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	const int rowSize  = ras->getLx()   * ras->getPixelSize();
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	const int wrapSize = ras->getWrap() * ras->getPixelSize();
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	const int restSize = wrapSize - rowSize;
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	const UCHAR *rowImg  = ras->getRawData()+rowSize *(ras->getLy()-1);
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	      UCHAR *wrapImg = ras->getRawData()+wrapSize*(ras->getLy()-1);
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	for (int yy = 0; yy < ras->getLy(); ++yy) {
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		::memcpy(wrapImg, rowImg, rowSize);
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		::memset(wrapImg+rowSize, 0, restSize); /* 上下にはみ出すとここで落ちる */
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		rowImg  -= rowSize;
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		wrapImg -= wrapSize;
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	}
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}
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#endif  //---
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//------------------------------------------------------------
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namespace {
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bool enable_sw_ = true;
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bool check_sw_  = true;
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}  // namespace
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bool ino::log_enable_sw(void) {
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  if (check_sw_) {
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    TFileStatus file(
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        // ToonzFolder::getProfileFolder()
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        TEnv::getConfigDir() + "fx_ino_no_log.setup");
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    if (file.doesExist()) {
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      enable_sw_ = false;
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    }
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    check_sw_ = false;
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  }
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  return enable_sw_;
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}
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//------------------------------------------------------------
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namespace {
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/* より大きな四角エリアにPixel整数値で密着する */
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void makeRectCoherent(TRectD& rect, const TPointD& pos) {
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  rect -= pos;
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  rect.x0 = tfloor(rect.x0); /* ((x)<(int)(x)? (int)(x)-1: (int)(x))*/
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  rect.y0 = tfloor(rect.y0);
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  rect.x1 = tceil(rect.x1); /* ((int)(x)<(x)? (int)(x)+1: (int)(x))*/
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  rect.y1 = tceil(rect.y1);
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  rect += pos;
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}
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inline void to_xyz(double* xyz, double const* bgr) {
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  xyz[0] = 0.6069 * bgr[2] + 0.1735 * bgr[1] + 0.2003 * bgr[0];  // X
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  xyz[1] = 0.2989 * bgr[2] + 0.5866 * bgr[1] + 0.1145 * bgr[0];  // Y
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  xyz[2] = 0.0000 * bgr[2] + 0.0661 * bgr[1] + 1.1162 * bgr[0];  // Z
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}
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inline void to_bgr(double* bgr, double const* xyz) {
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  bgr[0] = +0.0585 * xyz[0] - 0.1187 * xyz[1] + 0.9017 * xyz[2];  // blue
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  bgr[1] = -0.9844 * xyz[0] + 1.9985 * xyz[1] - 0.0279 * xyz[2];  // green
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  bgr[2] = +1.9104 * xyz[0] - 0.5338 * xyz[1] - 0.2891 * xyz[2];  // red
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}
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// convert sRGB color space to power space
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template <typename t="double"></typename>
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inline T to_linear_color_space(T nonlinear_color, T exposure, T gamma) {
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  // return -std::log(T(1) - std::pow(nonlinear_color, gamma)) / exposure;
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  return std::pow(nonlinear_color, gamma) / exposure;
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}
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// convert power space to sRGB color space
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template <typename t="double"></typename>
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inline T to_nonlinear_color_space(T linear_color, T exposure, T gamma) {
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  // return std::pow(T(1) - std::exp(-exposure * linear_color), T(1) / gamma);
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  return std::pow(linear_color * exposure, T(1) / gamma);
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}
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template <class t="double"></class>
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const T& clamp(const T& v, const T& lo, const T& hi) {
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  assert(!(hi < lo));
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  return (v < lo) ? lo : (hi < v) ? hi : v;
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}
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}  // namespace
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//------------------------------------------------------------
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TBlendForeBackRasterFx::TBlendForeBackRasterFx(bool clipping_mask,
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                                               bool has_alpha_option)
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    : m_opacity(1.0 * ino::param_range())
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    , m_clipping_mask(clipping_mask)
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    , m_linear(false)
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    , m_gamma(2.2)
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    , m_premultiplied(true) {
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  addInputPort("Fore", this->m_up);
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  addInputPort("Back", this->m_down);
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  bindParam(this, "opacity", this->m_opacity);
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  bindParam(this, "clipping_mask", this->m_clipping_mask);
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  bindParam(this, "linear", this->m_linear);
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  bindParam(this, "gamma", this->m_gamma);
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  bindParam(this, "premultiplied", this->m_premultiplied);
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  this->m_opacity->setValueRange(0, 1.0 * ino::param_range());
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  this->m_gamma->setValueRange(0.2, 5.0);
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  if (has_alpha_option) {
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    m_alpha_rendering = TBoolParamP(true);
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    bindParam(this, "alpha_rendering", this->m_alpha_rendering);
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  }
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}
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//------------------------------------------------------------
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bool TBlendForeBackRasterFx::doGetBBox(double frame, TRectD& bBox,
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                                       const TRenderSettings& rs) {
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  TRectD up_bx;
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  const bool up_sw =
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      (m_up.isConnected() ? m_up->doGetBBox(frame, up_bx, rs) : false);
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  TRectD dn_bx;
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  const bool dn_sw =
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      (m_down.isConnected() ? m_down->doGetBBox(frame, dn_bx, rs) : false);
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  if (up_sw && dn_sw) {
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    bBox = up_bx + dn_bx;
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    return !bBox.isEmpty();
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  } else if (up_sw) {
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    bBox = up_bx;
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    return true;
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  } else if (dn_sw) {
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    bBox = dn_bx;
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    return true;
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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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//------------------------------------------------------------
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void TBlendForeBackRasterFx::dryComputeUpAndDown(TRectD& rect, double frame,
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                                                 const TRenderSettings& rs,
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                                                 bool upComputesWholeTile) {
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  const bool up_is   = (this->m_up.isConnected() &&
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                      this->m_up.getFx()->getTimeRegion().contains(frame));
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  const bool down_is = (this->m_down.isConnected() &&
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                        this->m_down.getFx()->getTimeRegion().contains(frame));
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  /* ------ 両方とも切断の時処理しない ---------------------- */
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  if (!up_is && !down_is) {
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    return;
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  }
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  /* ------ up接続かつdown切断の時 -------------------------- */
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  if (up_is && !down_is) {
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    this->m_up->dryCompute(rect, frame, rs);
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    return;
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  }
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  /* ------ down接続時 -------------------------------------- */
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  if (down_is) {
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    this->m_down->dryCompute(rect, frame, rs);
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  }
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  /* ------ up切断時 ---------------------------------------- */
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  if (!up_is) {
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    return;
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  }
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  /* ------ tileのgeometryを計算する ------------------------ */
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  TRectD upBBox;
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  if (upComputesWholeTile) {
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    upBBox = rect;
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  } else {
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    this->m_up->getBBox(frame, upBBox, rs);
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    upBBox *= rect;
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    makeRectCoherent(upBBox, rect.getP00());
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  }
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  if ((upBBox.getLx() > 0.5) && (upBBox.getLy() > 0.5)) {
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    this->m_up->dryCompute(upBBox, frame, rs);
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  }
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}
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//------------------------------------------------------------
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void TBlendForeBackRasterFx::doCompute(TTile& tile, double frame,
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                                       const TRenderSettings& rs) {
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  /* ------ 画像生成 ---------------------------------------- */
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  TRasterP dn_ras, up_ras;
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  this->computeUpAndDown(tile, frame, rs, dn_ras, up_ras);
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  if (!dn_ras || !up_ras) {
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    return;
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  }
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  /* ------ 動作パラメータを得る ---------------------------- */
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  const double up_opacity =
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      this->m_opacity->getValue(frame) / ino::param_range();
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  const double gamma = this->m_gamma->getValue(frame);
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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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       << "  up_opacity " << up_opacity << "   dn_tile w " << dn_ras->getLx()
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       << "  wrap " << dn_ras->getWrap() << "  h " << dn_ras->getLy()
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       << "  pixbits " << ino::pixel_bits(dn_ras) << "   up_tile w "
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       << up_ras->getLx() << "  wrap " << up_ras->getWrap() << "  h "
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       << up_ras->getLy() << "  pixbits " << ino::pixel_bits(up_ras)
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       << "   frame " << frame;
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  }
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  /* ------ fx処理 ------------------------------------------ */
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  try {
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    if (dn_ras) {
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      dn_ras->lock();
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    }
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    if (up_ras) {
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      up_ras->lock();
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    }
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    doComputeFx(dn_ras, up_ras, TPoint(), up_opacity, gamma);
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    // fx_(dn_ras, up_ras, TPoint(), up_opacity,
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    // this->m_clipping_mask->getValue(),
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    //  this->m_linear->getValue(), gamma, this->m_premultiplied->getValue());
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    if (up_ras) {
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      up_ras->unlock();
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    }
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    if (dn_ras) {
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      dn_ras->unlock();
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    }
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  }
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  /* ------ error処理 --------------------------------------- */
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  catch (std::exception& e) {
shun-iwasawa e00258
    if (up_ras) {
shun-iwasawa e00258
      up_ras->unlock();
shun-iwasawa e00258
    }
shun-iwasawa e00258
    if (dn_ras) {
shun-iwasawa e00258
      dn_ras->unlock();
shun-iwasawa e00258
    }
shun-iwasawa e00258
    if (log_sw) {
shun-iwasawa e00258
      std::string str("exception <");
shun-iwasawa e00258
      str += e.what();
shun-iwasawa e00258
      str += '>';
shun-iwasawa e00258
    }
shun-iwasawa e00258
    throw;
shun-iwasawa e00258
  } catch (...) {
shun-iwasawa e00258
    if (up_ras) {
shun-iwasawa e00258
      up_ras->unlock();
shun-iwasawa e00258
    }
shun-iwasawa e00258
    if (dn_ras) {
shun-iwasawa e00258
      dn_ras->unlock();
shun-iwasawa e00258
    }
shun-iwasawa e00258
    if (log_sw) {
shun-iwasawa e00258
      std::string str("other exception");
shun-iwasawa e00258
    }
shun-iwasawa e00258
    throw;
shun-iwasawa e00258
  }
shun-iwasawa e00258
}
shun-iwasawa e00258
shun-iwasawa e00258
//------------------------------------------------------------
shun-iwasawa e00258
void TBlendForeBackRasterFx::doComputeFx(TRasterP& dn_ras_out,
shun-iwasawa e00258
                                         const TRasterP& up_ras,
shun-iwasawa e00258
                                         const TPoint& pos,
shun-iwasawa e00258
                                         const double up_opacity,
shun-iwasawa e00258
                                         const double gamma) {
shun-iwasawa e00258
  /* 交差したエリアを処理するようにする、いるのか??? */
shun-iwasawa e00258
  TRect outRect(dn_ras_out->getBounds());
shun-iwasawa e00258
  TRect upRect(up_ras->getBounds() + pos);
shun-iwasawa e00258
  TRect intersection = outRect * upRect;
shun-iwasawa e00258
  if (intersection.isEmpty()) return;
shun-iwasawa e00258
shun-iwasawa e00258
  TRasterP cRout = dn_ras_out->extract(intersection);
shun-iwasawa e00258
  TRect rr       = intersection - pos;
shun-iwasawa e00258
  TRasterP cRup  = up_ras->extract(rr);
shun-iwasawa e00258
shun-iwasawa e00258
  TRaster32P rout32 = cRout, rup32 = cRup;
shun-iwasawa e00258
  TRaster64P rout64 = cRout, rup64 = cRup;
shun-iwasawa e00258
shun-iwasawa e00258
  bool linear_sw = this->m_linear->getValue();
shun-iwasawa e00258
shun-iwasawa e00258
  if (rout32 && rup32) {
shun-iwasawa e00258
    if (linear_sw)
shun-iwasawa e00258
      linearTmpl<tpixel32, uchar="">(rout32, rup32, up_opacity, gamma);</tpixel32,>
shun-iwasawa e00258
    // linearAdd<tpixel32, uchar="">(rout32, rup32, up_opacity, clipping_mask_sw,</tpixel32,>
shun-iwasawa e00258
    //  gamma, premultiplied_sw);
shun-iwasawa e00258
    else
shun-iwasawa e00258
      nonlinearTmpl<tpixel32, uchar="">(rout32, rup32, up_opacity);</tpixel32,>
shun-iwasawa e00258
    // tmpl_<tpixel32, uchar="">(rout32, rup32, up_opacity, clipping_mask_sw);</tpixel32,>
shun-iwasawa e00258
  } else if (rout64 && rup64) {
shun-iwasawa e00258
    if (linear_sw)
shun-iwasawa e00258
      linearTmpl<tpixel64, ushort="">(rout64, rup64, up_opacity, gamma);</tpixel64,>
shun-iwasawa e00258
    else
shun-iwasawa e00258
      nonlinearTmpl<tpixel64, ushort="">(rout64, rup64, up_opacity);</tpixel64,>
shun-iwasawa e00258
  } else {
shun-iwasawa e00258
    throw TRopException("unsupported pixel type");
shun-iwasawa e00258
  }
shun-iwasawa e00258
}
shun-iwasawa e00258
shun-iwasawa e00258
//------------------------------------------------------------
shun-iwasawa e00258
template <class class="" q="" t,=""></class>
shun-iwasawa e00258
void TBlendForeBackRasterFx::nonlinearTmpl(TRasterPT<t> dn_ras_out,</t>
shun-iwasawa e00258
                                           const TRasterPT<t>& up_ras,</t>
shun-iwasawa e00258
                                           const double up_opacity) {
shun-iwasawa e00258
  bool clipping_mask_sw   = this->m_clipping_mask->getValue();
shun-iwasawa e00258
  bool alpha_rendering_sw = (m_alpha_rendering.getPointer())
shun-iwasawa e00258
                                ? this->m_alpha_rendering->getValue()
shun-iwasawa e00258
                                : true;
shun-iwasawa e00258
shun-iwasawa e00258
  double maxi = static_cast<double>(T::maxChannelValue);  // 255or65535</double>
shun-iwasawa e00258
shun-iwasawa e00258
  assert(dn_ras_out->getSize() == up_ras->getSize());
shun-iwasawa e00258
shun-iwasawa e00258
  for (int yy = 0; yy < dn_ras_out->getLy(); ++yy) {
shun-iwasawa e00258
    T* out_pix             = dn_ras_out->pixels(yy);
shun-iwasawa e00258
    const T* const out_end = out_pix + dn_ras_out->getLx();
shun-iwasawa e00258
    const T* up_pix        = up_ras->pixels(yy);
shun-iwasawa e00258
    for (; out_pix < out_end; ++out_pix, ++up_pix) {
shun-iwasawa e00258
      double upr = static_cast<double>(up_pix->r) / maxi;</double>
shun-iwasawa e00258
      double upg = static_cast<double>(up_pix->g) / maxi;</double>
shun-iwasawa e00258
      double upb = static_cast<double>(up_pix->b) / maxi;</double>
shun-iwasawa e00258
      double upa = static_cast<double>(up_pix->m) / maxi;</double>
shun-iwasawa e00258
      double dnr = static_cast<double>(out_pix->r) / maxi;</double>
shun-iwasawa e00258
      double dng = static_cast<double>(out_pix->g) / maxi;</double>
shun-iwasawa e00258
      double dnb = static_cast<double>(out_pix->b) / maxi;</double>
shun-iwasawa e00258
      double dna = static_cast<double>(out_pix->m) / maxi;</double>
shun-iwasawa e00258
      brendKernel(dnr, dng, dnb, dna, upr, upg, upb, upa,
shun-iwasawa e00258
                  clipping_mask_sw ? up_opacity * dna : up_opacity,
shun-iwasawa e00258
                  alpha_rendering_sw);
shun-iwasawa e00258
      out_pix->r = static_cast<q>(dnr * (maxi + 0.999999));</q>
shun-iwasawa e00258
      out_pix->g = static_cast<q>(dng * (maxi + 0.999999));</q>
shun-iwasawa e00258
      out_pix->b = static_cast<q>(dnb * (maxi + 0.999999));</q>
shun-iwasawa e00258
      out_pix->m = static_cast<q>(dna * (maxi + 0.999999));</q>
shun-iwasawa e00258
    }
shun-iwasawa e00258
  }
shun-iwasawa e00258
}
shun-iwasawa e00258
shun-iwasawa e00258
//------------------------------------------------------------
shun-iwasawa e00258
template <class class="" q="" t,=""></class>
shun-iwasawa e00258
void TBlendForeBackRasterFx::linearTmpl(TRasterPT<t> dn_ras_out,</t>
shun-iwasawa e00258
                                        const TRasterPT<t>& up_ras,</t>
shun-iwasawa e00258
                                        const double up_opacity,
shun-iwasawa e00258
                                        const double gamma) {
shun-iwasawa e00258
  bool clipping_mask_sw   = this->m_clipping_mask->getValue();
shun-iwasawa e00258
  bool alpha_rendering_sw = (m_alpha_rendering.getPointer())
shun-iwasawa e00258
                                ? this->m_alpha_rendering->getValue()
shun-iwasawa e00258
                                : true;
shun-iwasawa e00258
  bool premultiplied_sw = this->m_premultiplied->getValue();
shun-iwasawa e00258
  double maxi  = static_cast<double>(T::maxChannelValue);  // 255or65535</double>
shun-iwasawa e00258
  double limit = (maxi + 0.5) / (maxi + 1.0);
shun-iwasawa e00258
shun-iwasawa e00258
  assert(dn_ras_out->getSize() == up_ras->getSize());
shun-iwasawa e00258
shun-iwasawa e00258
  for (int yy = 0; yy < dn_ras_out->getLy(); ++yy) {
shun-iwasawa e00258
    T* out_pix             = dn_ras_out->pixels(yy);
shun-iwasawa e00258
    const T* const out_end = out_pix + dn_ras_out->getLx();
shun-iwasawa e00258
    const T* up_pix        = up_ras->pixels(yy);
shun-iwasawa e00258
    for (; out_pix < out_end; ++out_pix, ++up_pix) {
shun-iwasawa e00258
      if (up_pix->m <= 0 || up_opacity <= 0) {
shun-iwasawa e00258
        continue;
shun-iwasawa e00258
      }
shun-iwasawa e00258
shun-iwasawa e00258
      double dna         = static_cast<double>(out_pix->m) / maxi;</double>
shun-iwasawa e00258
      double tmp_opacity = clipping_mask_sw ? up_opacity * dna : up_opacity;
shun-iwasawa e00258
      if (tmp_opacity <= 0) continue;
shun-iwasawa e00258
shun-iwasawa e00258
      double dnBGR[3];
shun-iwasawa e00258
      dnBGR[0]        = static_cast<double>(out_pix->b) / maxi;</double>
shun-iwasawa e00258
      dnBGR[1]        = static_cast<double>(out_pix->g) / maxi;</double>
shun-iwasawa e00258
      dnBGR[2]        = static_cast<double>(out_pix->r) / maxi;</double>
shun-iwasawa e00258
      double dnXYZ[3] = {0.0, 0.0, 0.0};
shun-iwasawa e00258
      if (dna > 0.0) {
shun-iwasawa e00258
        for (int c = 0; c < 3; c++) {
shun-iwasawa e00258
          if (premultiplied_sw)
shun-iwasawa e00258
            dnBGR[c] = to_linear_color_space(dnBGR[c] / dna, 1.0, gamma) * dna;
shun-iwasawa e00258
          else
shun-iwasawa e00258
            dnBGR[c] = to_linear_color_space(dnBGR[c], 1.0, gamma);
shun-iwasawa e00258
        }
shun-iwasawa e00258
        to_xyz(dnXYZ, dnBGR);
shun-iwasawa e00258
      }
shun-iwasawa e00258
shun-iwasawa e00258
      double upBGR[3];
shun-iwasawa e00258
      upBGR[0]   = static_cast<double>(up_pix->b) / maxi;</double>
shun-iwasawa e00258
      upBGR[1]   = static_cast<double>(up_pix->g) / maxi;</double>
shun-iwasawa e00258
      upBGR[2]   = static_cast<double>(up_pix->r) / maxi;</double>
shun-iwasawa e00258
      double upa = static_cast<double>(up_pix->m) / maxi;</double>
shun-iwasawa e00258
      for (int c = 0; c < 3; c++) {
shun-iwasawa e00258
        if (premultiplied_sw)
shun-iwasawa e00258
          upBGR[c] = to_linear_color_space(upBGR[c] / upa, 1.0, gamma) * upa;
shun-iwasawa e00258
        else
shun-iwasawa e00258
          upBGR[c] = to_linear_color_space(upBGR[c], 1.0, gamma);
shun-iwasawa e00258
      }
shun-iwasawa e00258
shun-iwasawa e00258
      double upXYZ[3];
shun-iwasawa e00258
      to_xyz(upXYZ, upBGR);
shun-iwasawa e00258
shun-iwasawa e00258
      brendKernel(dnXYZ[0], dnXYZ[1], dnXYZ[2], dna, upXYZ[0], upXYZ[1],
shun-iwasawa e00258
                  upXYZ[2], upa, tmp_opacity, alpha_rendering_sw);
shun-iwasawa e00258
shun-iwasawa e00258
      to_bgr(dnBGR, dnXYZ);
shun-iwasawa e00258
shun-iwasawa e00258
      // premultiply the result
shun-iwasawa e00258
      double nonlinear_b =
shun-iwasawa e00258
          to_nonlinear_color_space(dnBGR[0] / dna, 1.0, gamma) * dna;
shun-iwasawa e00258
      double nonlinear_g =
shun-iwasawa e00258
          to_nonlinear_color_space(dnBGR[1] / dna, 1.0, gamma) * dna;
shun-iwasawa e00258
      double nonlinear_r =
shun-iwasawa e00258
          to_nonlinear_color_space(dnBGR[2] / dna, 1.0, gamma) * dna;
shun-iwasawa e00258
shun-iwasawa e00258
      out_pix->r =
shun-iwasawa e00258
          static_cast<q>(clamp(nonlinear_r, 0.0, 1.0) * (maxi + 0.999999));</q>
shun-iwasawa e00258
      out_pix->g =
shun-iwasawa e00258
          static_cast<q>(clamp(nonlinear_g, 0.0, 1.0) * (maxi + 0.999999));</q>
shun-iwasawa e00258
      out_pix->b =
shun-iwasawa e00258
          static_cast<q>(clamp(nonlinear_b, 0.0, 1.0) * (maxi + 0.999999));</q>
shun-iwasawa e00258
      out_pix->m = static_cast<q>(dna * (maxi + 0.999999));</q>
shun-iwasawa e00258
    }
shun-iwasawa e00258
  }
shun-iwasawa e00258
}
shun-iwasawa e00258
shun-iwasawa e00258
//------------------------------------------------------------
shun-iwasawa e00258
shun-iwasawa e00258
void TBlendForeBackRasterFx::computeUpAndDown(TTile& tile, double frame,
shun-iwasawa e00258
                                              const TRenderSettings& rs,
shun-iwasawa e00258
                                              TRasterP& dn_ras,
shun-iwasawa e00258
                                              TRasterP& up_ras,
shun-iwasawa e00258
                                              bool upComputesWholeTile) {
shun-iwasawa e00258
  /* ------ サポートしていないPixelタイプはエラーを投げる --- */
shun-iwasawa e00258
  if (!((TRaster32P)tile.getRaster()) && !((TRaster64P)tile.getRaster())) {
shun-iwasawa e00258
    throw TRopException("unsupported input pixel type");
shun-iwasawa e00258
  }
shun-iwasawa e00258
  /*
shun-iwasawa e00258
m_down,m_upは繋がっている方があればそれを表示する
shun-iwasawa e00258
両方とも接続していれば合成処理する
shun-iwasawa e00258
表示スイッチを切ってあるならm_upを表示する
shun-iwasawa e00258
fxをreplaceすると、
shun-iwasawa e00258
  m_source   --> m_up  (=port0)
shun-iwasawa e00258
  m_refernce --> m_down(=port1)
shun-iwasawa e00258
となる
shun-iwasawa e00258
*/
shun-iwasawa e00258
  const bool up_is   = (this->m_up.isConnected() &&
shun-iwasawa e00258
                      this->m_up.getFx()->getTimeRegion().contains(frame));
shun-iwasawa e00258
  const bool down_is = (this->m_down.isConnected() &&
shun-iwasawa e00258
                        this->m_down.getFx()->getTimeRegion().contains(frame));
shun-iwasawa e00258
  /* ------ 両方とも切断の時処理しない ---------------------- */
shun-iwasawa e00258
  if (!up_is && !down_is) {
shun-iwasawa e00258
    tile.getRaster()->clear();
shun-iwasawa e00258
    return;
shun-iwasawa e00258
  }
shun-iwasawa e00258
  /* ------ up接続かつdown切断の時 -------------------------- */
shun-iwasawa e00258
  if (up_is && !down_is) {
shun-iwasawa e00258
    this->m_up->compute(tile, frame, rs);
shun-iwasawa e00258
    return;
shun-iwasawa e00258
  }
shun-iwasawa e00258
  /* ------ down接続時 downのみ描画して... ------------------ */
shun-iwasawa e00258
  if (down_is) {
shun-iwasawa e00258
    this->m_down->compute(tile, frame, rs);
shun-iwasawa e00258
  }
shun-iwasawa e00258
  /* ------ up切断時 ---------------------------------------- */
shun-iwasawa e00258
  if (!up_is) {
shun-iwasawa e00258
    return;
shun-iwasawa e00258
  }
shun-iwasawa e00258
shun-iwasawa e00258
  /* upと重なる部分を描画する */
shun-iwasawa e00258
shun-iwasawa e00258
  /* ------ tileの範囲 -------------------------------------- */
shun-iwasawa e00258
  const TDimension tsz(tile.getRaster()->getSize()); /* 整数 */
shun-iwasawa e00258
  const TRectD tileRect(tile.m_pos, TDimensionD(tsz.lx, tsz.ly));
shun-iwasawa e00258
  TRectD upBBox;
shun-iwasawa e00258
  if (upComputesWholeTile) {
shun-iwasawa e00258
    upBBox = tileRect;
shun-iwasawa e00258
  }      /* tile全体を得る */
shun-iwasawa e00258
  else { /* 厳密なエリア... */
shun-iwasawa e00258
    this->m_up->getBBox(frame, upBBox, rs);
shun-iwasawa e00258
    upBBox *= tileRect; /* upとtileの交差エリア */
shun-iwasawa e00258
shun-iwasawa e00258
    /* より大きな四角エリアにPixel整数値で密着する */
shun-iwasawa e00258
    makeRectCoherent(upBBox, tile.m_pos);  // double-->int grid
shun-iwasawa e00258
  }
shun-iwasawa e00258
shun-iwasawa e00258
  TDimensionI upSize(                        /* TRectDをTDimensionIに変換 */
shun-iwasawa e00258
                     tround(upBBox.getLx())  // getLx() = "x1>=x0?x1-x0:0"
shun-iwasawa e00258
                     ,
shun-iwasawa e00258
                     tround(upBBox.getLy())  // getLy() = "y1>=y0?y1-y0:0"
shun-iwasawa e00258
  );
shun-iwasawa e00258
  if ((upSize.lx <= 0) || (upSize.ly <= 0)) {
shun-iwasawa e00258
    return;
shun-iwasawa e00258
  }
shun-iwasawa e00258
shun-iwasawa e00258
  /* ------ upのメモリ確保と描画 ---------------------------- */
shun-iwasawa e00258
  TTile upTile;
shun-iwasawa e00258
  this->m_up->allocateAndCompute(upTile, upBBox.getP00(), upSize,
shun-iwasawa e00258
                                 tile.getRaster() /* 32/64bitsの判定に使う */
shun-iwasawa e00258
                                 ,
shun-iwasawa e00258
                                 frame, rs);
shun-iwasawa e00258
  /* ------ upとdownのTRasterを得る ------------------------- */
shun-iwasawa e00258
  TRectI dnRect(upTile.getRaster()->getSize());  // TDimensionI(-)
shun-iwasawa e00258
shun-iwasawa e00258
  dnRect += convert(upTile.m_pos - tile.m_pos); /* uptile->tile原点 */
shun-iwasawa e00258
  /*
shun-iwasawa e00258
  ここで問題はdoubleの位置を、四捨五入して整数値にしていること
shun-iwasawa e00258
  移動してから四捨五入ではないの???
shun-iwasawa e00258
  dnRectの元位置が整数位置なので、問題ないか...
shun-iwasawa e00258
  */
shun-iwasawa e00258
shun-iwasawa e00258
  dn_ras = upComputesWholeTile ? tile.getRaster()
shun-iwasawa e00258
                               : tile.getRaster()->extract(dnRect);
shun-iwasawa e00258
  up_ras = upTile.getRaster();
shun-iwasawa e00258
  assert(dn_ras->getSize() == up_ras->getSize());
shun-iwasawa e00258
}