#include <sstream> /* std::ostringstream */</sstream>

#include "tfxparam.h"

#include "tparamset.h" // TPointParamP

#include "stdfx.h"

#include "tparamuiconcept.h" //add 20140130

#include "ino_common.h"

#include "igs_rotate_blur.h"

//------------------------------------------------------------

class ino_spin_blur : public TStandardRasterFx

{

	FX_PLUGIN_DECLARATION(ino_spin_blur)

	TRasterFxPort m_input;

	TRasterFxPort m_refer;

	TPointParamP m_center;

	TDoubleParamP m_blur;

	TDoubleParamP m_radius;

	TIntEnumParamP m_type;

	TBoolParamP m_alpha_rendering;

	TBoolParamP m_anti_alias;

	TIntEnumParamP m_ref_mode;

public:

	ino_spin_blur()

		: m_center(TPointD(0.0, 0.0)), m_blur(1), m_radius(0.0), m_type(new TIntEnumParam(0, "Accelerator")), m_alpha_rendering(true), m_anti_alias(false), m_ref_mode(new TIntEnumParam(0, "Red"))

	{

		this->m_center->getX()->setMeasureName("fxLength");

		this->m_center->getY()->setMeasureName("fxLength");

		this->m_radius->setMeasureName("fxLength");

		addInputPort("Source", this->m_input);

		addInputPort("Reference", this->m_refer);

		bindParam(this, "center", this->m_center);

		bindParam(this, "blur", this->m_blur);

		bindParam(this, "radius", this->m_radius);

		bindParam(this, "type", this->m_type);

		bindParam(this, "alpha_rendering",

				  this->m_alpha_rendering);

		bindParam(this, "anti_alias", this->m_anti_alias);

		bindParam(this, "reference", this->m_ref_mode);

		this->m_radius->setValueRange(

			0, (std::numeric_limits<double>::max)());</double>

		/* 拡大のしすぎを防ぐためにMaxを制限する */

		this->m_blur->setValueRange(0.0, 180.0);

		this->m_type->addItem(1, "Uniform");

		this->m_ref_mode->addItem(1, "Green");

		this->m_ref_mode->addItem(2, "Blue");

		this->m_ref_mode->addItem(3, "Alpha");

		this->m_ref_mode->addItem(4, "Luminance");

		this->m_ref_mode->addItem(-1, "Nothing");

	}

	//------------------------------------------------------------

	TPointD get_render_center(

		const double frame, const TPointD &pos, const TAffine affine)

	{

		/*--- 表示画像の中心をゼロとしたミリメートル単位の位置 ---*/

		TPointD center = this->m_center->getValue(frame);

		/*--- 単位変換(mm --> render用pixel) ---*/

		center = center * ino::pixel_per_mm();

		/*--- Affine変換(Geometry&Shrink&原点を中心から左下へ) ---*/

		center = affine * center;

		/*--- カメラ座標をrender画像座標の原点に ---*/

		return center - pos;

	}

	int get_render_int_margin(

		const double frame, const TRectD &bBox, const TAffine affine, TPointD center)

	{

		/*--- 単位変換(mm-->render用pixel)と長さ(scale)変換 ---*/

		const double scale = ino::pixel_per_mm() * sqrt(fabs(affine.det()));

		/*--- margin計算...Twist時正確でない ---*/

		return igs::rotate_blur::reference_margin(

			static_cast<int>(ceil(bBox.getLy())), static_cast<int>(ceil(bBox.getLx())), center.x, center.y, this->m_blur->getValue(frame), this->m_radius->getValue(frame) * scale, ((0 < this->m_type->getValue()) ? 0.0</int></int>

																																																					: (bBox.getLy() / 2.0)),

			(this->m_anti_alias->getValue() ? 4 : 1));

	}

	void get_render_enlarge(

		const double frame, const TAffine affine, TRectD &bBox)

	{

		TPointD center(this->get_render_center(

			frame, bBox.getP00(), affine));

		int margin = this->get_render_int_margin(

			frame, bBox, affine, center);

		if (0 < margin) {

			/* 拡大のしすぎを防ぐテキトーな制限 */

			if (4096 < margin) {

				margin = 4096;

			}

			bBox = bBox.enlarge(margin);

		}

	}

	//------------------------------------------------------------

	bool doGetBBox(

		double frame, TRectD &bBox, const TRenderSettings &info)

	{

		if (!this->m_input.isConnected()) {

			bBox = TRectD();

			return false;

		}

		const bool ret = this->m_input->doGetBBox(frame, bBox, info);

		this->get_render_enlarge(frame, info.m_affine, bBox);

		return ret;

	}

	int getMemoryRequirement(

		const TRectD &rect, double frame, const TRenderSettings &info)

	{

		TRectD bBox(rect);

		this->get_render_enlarge(frame, info.m_affine, bBox);

		return TRasterFx::memorySize(bBox, info.m_bpp);

	}

	void transform(

		double frame, int port, const TRectD &rectOnOutput, const TRenderSettings &infoOnOutput, TRectD &rectOnInput, TRenderSettings &infoOnInput)

	{

		rectOnInput = rectOnOutput;

		infoOnInput = infoOnOutput;

		this->get_render_enlarge(

			frame, infoOnOutput.m_affine, rectOnInput);

	}

	bool canHandle(const TRenderSettings &info, double frame)

	{

		//return false; // toonz has geometry control

		//return true;

		/* 2012-11-14: trueのとき、Fx処理がジオメトリ変換の最後にまとめられてしまう。 */

		return m_blur->getValue(frame) == 0 ? true : isAlmostIsotropic(info.m_affine);

	}

	void doCompute(

		TTile &tile, double frame, const TRenderSettings &ri);

	//add 20140130

	void getParamUIs(TParamUIConcept *&concepts, int &length)

	{

		concepts = new TParamUIConcept[length = 2];

		concepts[0].m_type = TParamUIConcept::POINT;

		concepts[0].m_label = "Center";

		concepts[0].m_params.push_back(m_center);

		concepts[1].m_type = TParamUIConcept::RADIUS;

		concepts[1].m_label = "Radius";

		concepts[1].m_params.push_back(m_radius);

		concepts[1].m_params.push_back(m_center);

	}

	//add 20140130

};

FX_PLUGIN_IDENTIFIER(ino_spin_blur, "inoSpinBlurFx");

//--------------------------------------------------------------------

namespace

{

void fx_(

	const TRasterP in_ras // with margin

	,

	const int margin

	/* ここではinとrefは同サイズで使用している */

	,

	const TRasterP refer_ras // no margin

	,

	const int ref_mode

	,

	TRasterP out_ras // no margin

	,

	const double xp, const double yp, const int type, const double blur, const double radius, const bool alpha_rendering_sw, const bool anti_alias_sw)

{

	TRasterGR8P in_gr8(

		in_ras->getLy(), in_ras->getLx() * ino::channels() *

							 ((TRaster64P)in_ras ? sizeof(unsigned short) : sizeof(unsigned char)));

	in_gr8->lock();

	igs::rotate_blur::convert(

		in_ras->getRawData() // BGRA

		,

		0 /* margin機能は使っていない、のでinとref画像は同サイズ */

		,

		(((0 <= ref_mode) && refer_ras) ? refer_ras->getRawData() : 0) // BGRA

		,

		(((0 <= ref_mode) && refer_ras) ? ino::bits(refer_ras) : 0), ref_mode

		,

		in_gr8->getRawData() // BGRA

		,

		in_ras->getLy(), in_ras->getLx(), ino::channels(), ino::bits(out_ras)

															   ,

		xp + margin, yp + margin, blur /*degree*/, radius, ((0 < type) ? 0.0 : (out_ras->getLy() / 2.0))

															   ,

		(anti_alias_sw ? 4 : 1), alpha_rendering_sw);

	ino::arr_to_ras(

		in_gr8->getRawData(), ino::channels(), out_ras, margin);

	in_gr8->unlock();

}

}

//------------------------------------------------------------

void ino_spin_blur::doCompute(

	TTile &tile, double frame, const TRenderSettings &ri)

{

	/*------ 接続していなければ処理しない ----------------------*/

	if (!this->m_input.isConnected()) {

		tile.getRaster()->clear(); /* 塗りつぶしクリア */

		return;

	}

	/*------ サポートしていないPixelタイプはエラーを投げる -----*/

	if (!((TRaster32P)tile.getRaster()) &&

		!((TRaster64P)tile.getRaster())) {

		throw TRopException("unsupported input pixel type");

	}

	/*------ パラメータを得る ----------------------------------*/

	const double scale = ino::pixel_per_mm() * sqrt(fabs(ri.m_affine.det()));

	const double blur = this->m_blur->getValue(frame);

	const double radius = this->m_radius->getValue(frame) * scale;

	const int type = this->m_type->getValue();

	const bool alpha_rend_sw = this->m_alpha_rendering->getValue();

	const bool anti_alias_sw = this->m_anti_alias->getValue();

	const int ref_mode = this->m_ref_mode->getValue();

	TPointD center = this->m_center->getValue(frame);

	TPointD render_center(this->get_render_center(

		frame, tile.m_pos, ri.m_affine));

	/*------ 入力画像の範囲を得る ------------------------------*/

	TRectD bBox = TRectD(

		tile.m_pos /* Render画像上(Pixel単位)の位置 */

		,

		TDimensionD(/* Render画像上(Pixel単位)のサイズ */

					tile.getRaster()->getLx(), tile.getRaster()->getLy()));

	/*------ 入力画像のエリアの拡大 ----------------------------*/

	int margin = this->get_render_int_margin(

		frame, bBox, ri.m_affine, render_center);

	if (0 < margin) {

		/* 拡大のしすぎを防ぐテキトーな制限 */

		if (4096 < margin) {

			margin = 4096;

		}

		bBox = bBox.enlarge(margin);

	}

	/*------ 入力画像生成 --------------------------------------*/

	TTile in_enlarge_tile;

	this->m_input->allocateAndCompute(

		in_enlarge_tile, bBox.getP00(), TDimensionI(/* Pixel単位で四捨五入 */

													static_cast<int>(bBox.getLx() + 0.5), static_cast<int>(bBox.getLy() + 0.5)),</int></int>

		tile.getRaster(), frame, ri);

	/*------ 参照画像生成 --------------------------------------*/

	TTile reference_tile;

	bool reference_sw = false;

	if (this->m_refer.isConnected()) {

		reference_sw = true;

		this->m_refer->allocateAndCompute(

			reference_tile, bBox.getP00(), TDimensionI(/* Pixel単位で四捨五入 */

													   static_cast<int>(bBox.getLx() + 0.5), static_cast<int>(bBox.getLy() + 0.5)),</int></int>

			tile.getRaster(), frame, ri);

	}

	/* ------ 保存すべき画像メモリを塗りつぶしクリア ---------- */

	tile.getRaster()->clear(); /* 塗りつぶしクリア */

	/* ------ (app_begin)log記憶 ------------------------------ */

	const bool log_sw = ino::log_enable_sw();

	if (log_sw) {

		std::ostringstream os;

		os << "params"

		   << "  cx " << center.x

		   << "  cy " << center.y

		   << "  blur " << blur

		   << "  radius " << radius

		   << "  type " << type

		   << "  reference " << ref_mode

		   << "  alpha_rendering " << alpha_rend_sw

		   << "  anti_alias " << anti_alias_sw

		   << "  rend_cx " << render_center.x

		   << "  rend_cy " << render_center.y

		   << "  tx " << tile.m_pos.x

		   << "  ty " << tile.m_pos.y

		   << "  tw " << tile.getRaster()->getLx()

		   << "  th " << tile.getRaster()->getLy()

		   << "  tb " << ino::pixel_bits(tile.getRaster())

		   << "  margin " << margin

		   << "  bx0 " << bBox.x0

		   << "  by0 " << bBox.y0

		   << "  bx1 " << bBox.x1

		   << "  by1 " << bBox.y1

		   << "  ix " << in_enlarge_tile.m_pos.x

		   << "  iy " << in_enlarge_tile.m_pos.y

		   << "  iw " << in_enlarge_tile.getRaster()->getLx()

		   << "  ih " << in_enlarge_tile.getRaster()->getLy();

		if (reference_sw) {

			os

				<< "  rx " << reference_tile.m_pos.x

				<< "  ry " << reference_tile.m_pos.y

				<< "  rw " << reference_tile.getRaster()->getLx()

				<< "  rh " << reference_tile.getRaster()->getLy();

		}

		os

			<< "  frame " << frame

			<< "  ri_aff_det " << ri.m_affine.det()

			<< "  shrink_x " << ri.m_shrinkX

			<< "  shrink_y " << ri.m_shrinkY;

	}

	/* ------ fx処理 ------------------------------------------ */

	try {

		tile.getRaster()->lock();

		fx_(

			in_enlarge_tile.getRaster(), margin

			,

			(reference_sw ? reference_tile.getRaster() : nullptr), ref_mode

			,

			tile.getRaster()

				,

			render_center.x, render_center.y, type, blur, radius, alpha_rend_sw, anti_alias_sw);

		tile.getRaster()->unlock();

	}

	/* ------ error処理 --------------------------------------- */

	catch (std::bad_alloc &e) {

		tile.getRaster()->unlock();

		if (log_sw) {

			std::string str("std::bad_alloc <");

			str += e.what();

			str += '>';

		}

		throw;

	} catch (std::exception &e) {

		tile.getRaster()->unlock();

		if (log_sw) {

			std::string str("exception <");

			str += e.what();

			str += '>';

		}

		throw;

	} catch (...) {

		tile.getRaster()->unlock();

		if (log_sw) {

			std::string str("other exception");

		}

		throw;

	}

}