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#pragma once
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/*------------------------------------
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 Iwa_MotionBlurCompFx
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 露光量/オブジェクトの軌跡を考慮したモーションブラー
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 背景との露光値合成を可能にする
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//------------------------------------*/
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#ifndef IWA_MOTION_BLUR_COMP_H
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#define IWA_MOTION_BLUR_COMP_H
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#include "tfxparam.h"
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#include "stdfx.h"
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#include "motionawarebasefx.h"
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class TStageObjectId;
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struct float2 {
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  float x, y;
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};
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struct float3 {
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  float x, y, z;
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};
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struct float4 {
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  float x, y, z, w;
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};
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struct int2 {
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  int x, y;
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};
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/*- m_premultiTypeの取る値 -*/
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enum PremultiTypes {
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  AUTO = 0,
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  SOURCE_IS_PREMULTIPLIED,
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  SOURCE_IS_NOT_PREMUTIPLIED
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};
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class Iwa_MotionBlurCompFx : public MotionAwareBaseFx {
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  FX_PLUGIN_DECLARATION(Iwa_MotionBlurCompFx)
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protected:
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  TRasterFxPort m_input;
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  TRasterFxPort m_background;
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  TDoubleParamP m_hardness; /*- フィルムのガンマ値 -*/
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  /*-- 左右をぼかすためのパラメータ --*/
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  TDoubleParamP m_startValue; /*- シャッター開け時のフィルタ値 -*/
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  /*- シャッター開け時〜現時点までのフィルタ値のガンマ補正値 -*/
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  TDoubleParamP m_startCurve;
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  TDoubleParamP m_endValue; /*- シャッター閉じ時のフィルタ値 -*/
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  /*- 現時点〜シャッター閉じ時までのフィルタ値のガンマ補正値 -*/
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  TDoubleParamP m_endCurve;
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  /*- 残像モードのトグル -*/
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  TBoolParamP m_zanzoMode;
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  TIntEnumParamP m_premultiType;
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  /*- ソース画像を0〜1に正規化してホストメモリに読み込む
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          ソース画像がPremultipyされているか、コンボボックスで指定されていない場合は
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          ここで判定する -*/
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  template <typename pixel="" raster,="" typename=""></typename>
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  bool setSourceRaster(const RASTER srcRas, float4 *dstMem, TDimensionI dim,
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                       PremultiTypes type = AUTO);
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  /*- 出力結果をChannel値に変換して格納 -*/
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  template <typename pixel="" raster,="" typename=""></typename>
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  void setOutputRaster(float4 *srcMem, const RASTER dstRas, TDimensionI dim,
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                       int2 margin);
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  /*-  フィルタをつくり、正規化する -*/
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  void makeMotionBlurFilter_CPU(float *filter_p, TDimensionI &filterDim,
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                                int marginLeft, int marginBottom,
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                                float4 *pointsTable, int pointAmount,
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                                float startValue, float startCurve,
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                                float endValue, float endCurve);
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  /*- 残像フィルタをつくり、正規化する -*/
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  void makeZanzoFilter_CPU(float *filter_p, TDimensionI &filterDim,
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                           int marginLeft, int marginBottom,
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                           float4 *pointsTable, int pointAmount,
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                           float startValue, float startCurve, float endValue,
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                           float endCurve);
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  /*- RGB値(0〜1)を露光値に変換 -*/
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  void convertRGBtoExposure_CPU(float4 *in_tile_p, TDimensionI &dim,
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                                float hardness, bool sourceIsPremultiplied);
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  /*- 露光値をフィルタリングしてぼかす -*/
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  void applyBlurFilter_CPU(float4 *in_tile_p, float4 *out_tile_p,
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                           TDimensionI &dim, float *filter_p,
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                           TDimensionI &filterDim, int marginLeft,
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                           int marginBottom, int marginRight, int marginTop,
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                           TDimensionI &outDim);
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  /*- 露光値をdepremultipy→RGB値(0〜1)に戻す→premultiply -*/
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  void convertExposureToRGB_CPU(float4 *out_tile_p, TDimensionI &dim,
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                                float hardness);
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  /*- 背景があり、前景が動かない場合、単純にOverする -*/
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  void composeWithNoMotion(TTile &tile, double frame,
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                           const TRenderSettings &settings);
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  /*- 背景を露光値にして通常合成 -*/
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  void composeBackgroundExposure_CPU(float4 *out_tile_p,
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                                     TDimensionI &enlargedDimIn,
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                                     int marginRight, int marginTop,
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                                     TTile &back_tile, TDimensionI &dimOut,
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                                     float hardness);
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public:
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  Iwa_MotionBlurCompFx();
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  void doCompute(TTile &tile, double frame, const TRenderSettings &settings) override;
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  void doCompute_CPU(TTile &tile, double frame, const TRenderSettings &settings,
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                     float4 *pointsTable, int pointAmount, double hardness,
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                     double shutterStart, double shutterEnd,
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                     int traceResolution, float startValue, float startCurve,
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                     float endValue, float endCurve, int marginLeft,
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                     int marginRight, int marginTop, int marginBottom,
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                     TDimensionI &enlargedDimIn, TTile &enlarge_tile,
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                     TDimensionI &dimOut, TDimensionI &filterDim,
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                     TTile &back_tile);
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  bool doGetBBox(double frame, TRectD &bBox, const TRenderSettings &info) override;
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  bool canHandle(const TRenderSettings &info, double frame) override;
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  /*- 参考にしているオブジェクトが動いている可能性があるので、
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          エイリアスは毎フレーム変える -*/
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  std::string getAlias(double frame, const TRenderSettings &info) const override;
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};
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#endif