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#if defined _WIN32 && !defined NOMINMAX
#define NOMINMAX
#endif

#include <sstream> /* std::ostringstream */
#include "tfxparam.h"
#include "stdfx.h"

#include "ino_common.h"
#include "igs_warp.h"
//------------------------------------------------------------
class ino_warp_hv : public TStandardRasterFx
{
	FX_PLUGIN_DECLARATION(ino_warp_hv)

	TRasterFxPort m_input;
	TRasterFxPort m_hori;
	TRasterFxPort m_vert;

	TDoubleParamP m_h_maxlen;
	TDoubleParamP m_v_maxlen;
	TIntEnumParamP m_h_ref_mode;
	TIntEnumParamP m_v_ref_mode;
	TBoolParamP m_alpha_rendering;
	TBoolParamP m_anti_aliasing;

public:
	ino_warp_hv()
		: m_h_maxlen(0.0 * ino::param_range()), m_v_maxlen(0.0 * ino::param_range()), m_h_ref_mode(new TIntEnumParam(2, "Red")), m_v_ref_mode(new TIntEnumParam(2, "Red")), m_alpha_rendering(true), m_anti_aliasing(true)
	{
		this->m_h_maxlen->setMeasureName("fxLength");
		this->m_v_maxlen->setMeasureName("fxLength");

		addInputPort("Source", this->m_input);
		addInputPort("Hori", this->m_hori);
		addInputPort("Vert", this->m_vert);

		bindParam(this, "h_maxlen", this->m_h_maxlen);
		bindParam(this, "v_maxlen", this->m_v_maxlen);
		bindParam(this, "h_ref_mode", this->m_h_ref_mode);
		bindParam(this, "v_ref_mode", this->m_v_ref_mode);
		bindParam(this, "alpha_rendering",
				  this->m_alpha_rendering);
		bindParam(this, "anti_aliasing", this->m_anti_aliasing);

		this->m_h_maxlen->setValueRange(
			0.0 * ino::param_range(), 100.0 * ino::param_range());
		this->m_v_maxlen->setValueRange(
			0.0 * ino::param_range(), 100.0 * ino::param_range());
		this->m_h_ref_mode->addItem(1, "Green");
		this->m_h_ref_mode->addItem(0, "Blue");
		this->m_h_ref_mode->addItem(3, "Alpha");
		this->m_v_ref_mode->addItem(1, "Green");
		this->m_v_ref_mode->addItem(0, "Blue");
		this->m_v_ref_mode->addItem(3, "Alpha");
	}
	void get_render_real_hv(
		const double frame, const TAffine affine, double &h_maxlen, double &v_maxlen)
	{
		/*--- ベクトルにする(プラス値) --- */
		TPointD rend_vect;
		rend_vect.x = this->m_h_maxlen->getValue(frame);
		rend_vect.y = this->m_v_maxlen->getValue(frame);
		/*--- 単位変換(mm --> render_pixel)render用単位にする ---*/
		rend_vect = rend_vect * ino::pixel_per_mm();
		/*--- 拡大縮小(移動回転しないで)のGeometryを反映させる ---*/
		rend_vect = rend_vect * sqrt(fabs(affine.det()));
		/*--- 方向は無視して長さを返す(プラス値) ---*/
		h_maxlen = rend_vect.x;
		v_maxlen = rend_vect.y;
	}
	void get_render_enlarge(
		const double frame, const TAffine affine, TRectD &bBox)
	{
		double h_maxlen = 0.0;
		double v_maxlen = 0.0;
		this->get_render_real_hv(frame, affine, h_maxlen, v_maxlen);
		const int margin = static_cast<int>(ceil(
			(h_maxlen < v_maxlen) ? v_maxlen : h_maxlen));
		if (0 < margin) {
			bBox = bBox.enlarge(static_cast<double>(margin));
		}
	}
	bool doGetBBox(
		double frame, TRectD &bBox, const TRenderSettings &info)
	{
		if (false == 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 true;
		return false;
	}
	void doCompute(
		TTile &tile, double frame, const TRenderSettings &rend_sets);
};
FX_PLUGIN_IDENTIFIER(ino_warp_hv, "inoWarphvFx");
//--------------------------------------------------------------------
namespace
{
template <class T>
void data_set_template_(
	const TRasterPT<T> in_ras // with margin
	,
	const int margin, TRasterPT<T> out_ras // no margin
	)
{
	for (int yy = 0; yy < out_ras->getLy(); ++yy) {
		const T *in_ras_sl = in_ras->pixels(yy + margin);
		T *out_ras_sl = out_ras->pixels(yy);
		for (int xx = 0; xx < out_ras->getLx(); ++xx) {
			out_ras_sl[xx].r = in_ras_sl[xx + margin].r;
			out_ras_sl[xx].g = in_ras_sl[xx + margin].g;
			out_ras_sl[xx].b = in_ras_sl[xx + margin].b;
			out_ras_sl[xx].m = in_ras_sl[xx + margin].m;
		}
	}
}
void fx_(
	TRasterP in_ras // with margin
	,
	const TRasterP hori_ras // with margin
	,
	const TRasterP vert_ras // with margin
	,
	const int margin, TRasterP out_ras // no margin

	,
	const double h_maxlen, const double v_maxlen, const int h_ref_mode, const int v_ref_mode, const bool alpha_rendering_sw, const bool anti_aliasing_sw)
{
	if (0 != hori_ras) {
		const int bits = ino::bits(hori_ras);
		igs::warp::hori_change(
			in_ras->getRawData() // BGRA
			,
			in_ras->getLy(), in_ras->getLx(), ino::channels(), ino::bits(in_ras)

																   ,
			hori_ras->getRawData() // BGRA
			,
			ino::channels()
			//, 2 // order is "bgra", then r is 2.
			,
			h_ref_mode, bits

			,
			(double)(1 << (bits - 1)) / ((1 << bits) - 1)
			// , h_maxlen
			,
			-h_maxlen /* 移動方向と参照方向は逆 */
				* (double)((1 << bits) - 1) / (1 << (bits - 1)),
			alpha_rendering_sw, anti_aliasing_sw);
	}
	if (0 != vert_ras) {
		const int bits = ino::bits(vert_ras);
		igs::warp::vert_change(
			in_ras->getRawData() // BGRA
			,
			in_ras->getLy(), in_ras->getLx(), ino::channels(), ino::bits(in_ras)

																   ,
			vert_ras->getRawData() // BGRA
			,
			ino::channels()
			//, 2 // order is "bgra", then r is 2.
			,
			v_ref_mode, bits

			,
			(double)(1 << (bits - 1)) / ((1 << bits) - 1)
			// , v_maxlen
			,
			-v_maxlen /* 移動方向と参照方向は逆 */
				* (double)((1 << bits) - 1) / (1 << (bits - 1)),
			alpha_rendering_sw, anti_aliasing_sw);
	}

	if ((TRaster32P)in_ras) {
		data_set_template_<TPixel32>(
			in_ras, margin, out_ras);
	} else if ((TRaster64P)in_ras) {
		data_set_template_<TPixel64>(
			in_ras, margin, out_ras);
	}
}
}
//------------------------------------------------------------
void ino_warp_hv::doCompute(
	TTile &tile, double frame, const TRenderSettings &rend_sets)
{
	/*------ 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");
	}

	/*------ 動作パラメータを得る ------------------------------*/
	const bool alp_rend_sw = this->m_alpha_rendering->getValue();
	const bool anti_ali_sw = this->m_anti_aliasing->getValue();
	double h_maxlen = 0;
	double v_maxlen = 0;
	this->get_render_real_hv(
		frame, rend_sets.m_affine, h_maxlen, v_maxlen);
	/*------ 表示の範囲を得る ----------------------------------*/
	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()));
	/*------ 歪み量分(=マージン)分表示範囲を広げる -------------*/
	const int margin = static_cast<int>(ceil(
		(h_maxlen < v_maxlen) ? v_maxlen : h_maxlen));
	if (0 < margin) {
		bBox = bBox.enlarge(static_cast<double>(margin));
	}
	/*------ 広げた範囲の画像生成 ------------------------------*/
	TTile enlarge_tile;
	this->m_input->allocateAndCompute(
		enlarge_tile, bBox.getP00(), TDimensionI(/* Pixel単位のdouble -> intにしてセット */
												 static_cast<int>(bBox.getLx() + 0.5), static_cast<int>(bBox.getLy() + 0.5)),
		tile.getRaster(), frame, rend_sets);
	/*------ 参照画像生成 --------------------------------------*/
	TTile hori_tile;
	TTile vert_tile;
	const bool hori_cn_is = this->m_hori.isConnected();
	const bool vert_cn_is = this->m_vert.isConnected();
	if (hori_cn_is) {
		this->m_hori->allocateAndCompute(
			hori_tile, bBox.getP00(), TDimensionI(/* Pixel単位のdouble -> intにしてセット */
												  (int)(bBox.getLx() + 0.5), (int)(bBox.getLy() + 0.5)),
			tile.getRaster(), frame, rend_sets);
	}
	if (vert_cn_is) {
		this->m_vert->allocateAndCompute(
			vert_tile, bBox.getP00(), TDimensionI(/* Pixel単位のdouble -> intにしてセット */
												  (int)(bBox.getLx() + 0.5), (int)(bBox.getLy() + 0.5)),
			tile.getRaster(), frame, rend_sets);
	}
	/*------ 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"
		   << "  h_maxlen " << h_maxlen
		   << "  v_maxlen " << v_maxlen
		   << "  margin " << margin
		   << "  alp_rend_sw " << alp_rend_sw
		   << "  anti_ali_sw " << anti_ali_sw

		   << "   tile w " << tile.getRaster()->getLx()
		   << "  h " << tile.getRaster()->getLy()
		   << "  pixbits " << ino::pixel_bits(tile.getRaster());
		if (hori_cn_is) {
			os
				<< "   htile w " << hori_tile.getRaster()->getLx()
				<< "  h " << hori_tile.getRaster()->getLy()
				<< "  pixbits " << ino::pixel_bits(hori_tile.getRaster());
		}
		if (vert_cn_is) {
			os
				<< "   vtile w " << vert_tile.getRaster()->getLx()
				<< "  h " << vert_tile.getRaster()->getLy()
				<< "  pixbits " << ino::pixel_bits(vert_tile.getRaster());
		}
		os
			<< "   frame " << frame
			<< "   rand_sets affine_det " << rend_sets.m_affine.det()
			<< "  shrink x " << rend_sets.m_shrinkX
			<< "  y " << rend_sets.m_shrinkY;
	}
	/* ------ fx処理 ------------------------------------------ */
	try {
		tile.getRaster()->lock();
		if (hori_cn_is) {
			hori_tile.getRaster()->lock();
		}
		if (vert_cn_is) {
			vert_tile.getRaster()->lock();
		}
		fx_(
			enlarge_tile.getRaster() // in with margin
			,
			(hori_cn_is ? hori_tile.getRaster() : nullptr) // with margin
			,
			(vert_cn_is ? vert_tile.getRaster() : nullptr) // with margin
			,
			margin // margin
			,
			tile.getRaster() // out with no margin
			,
			h_maxlen, v_maxlen, this->m_h_ref_mode->getValue(), this->m_v_ref_mode->getValue(), alp_rend_sw, anti_ali_sw);
		if (vert_cn_is) {
			vert_tile.getRaster()->unlock();
		}
		if (hori_cn_is) {
			hori_tile.getRaster()->unlock();
		}
		tile.getRaster()->unlock();
	}
	/* ------ error処理 --------------------------------------- */
	catch (std::bad_alloc &e) {
		if (vert_cn_is) {
			vert_tile.getRaster()->unlock();
		}
		if (hori_cn_is) {
			hori_tile.getRaster()->unlock();
		}
		tile.getRaster()->unlock();
		if (log_sw) {
			std::string str("std::bad_alloc <");
			str += e.what();
			str += '>';
		}
		throw;
	} catch (std::exception &e) {
		if (vert_cn_is) {
			vert_tile.getRaster()->unlock();
		}
		if (hori_cn_is) {
			hori_tile.getRaster()->unlock();
		}
		tile.getRaster()->unlock();
		if (log_sw) {
			std::string str("exception <");
			str += e.what();
			str += '>';
		}
		throw;
	} catch (...) {
		if (vert_cn_is) {
			vert_tile.getRaster()->unlock();
		}
		if (hori_cn_is) {
			hori_tile.getRaster()->unlock();
		}
		tile.getRaster()->unlock();
		if (log_sw) {
			std::string str("other exception");
		}
		throw;
	}
}