#include <string>
#include <limits>	/* std::numeric_limits */
#include <stdexcept> /* std::domain_error(-) */
#include "igs_maxmin_getput.h"
#include "igs_maxmin_multithread.h"
#include "igs_maxmin.h"

void igs::maxmin::convert(
	/* 入出力画像 */
	const unsigned char *inn, unsigned char *out

	,
	const int height, const int width, const int channels, const int bits

	/* Pixel毎に効果の強弱 */
	,
	const unsigned char *ref /* 求める画像(out)と同じ高、幅、ch数 */
	,
	const int ref_bits /* refがゼロのときはここもゼロ */
	,
	const int ref_mode /* 0=R,1=G,2=B,3=A,4=Luminance,5=Nothing */

	/* Action Geometry */
	,
	const double radius /* =1.0	 0...100...DOUBLE_MAX */
	,
	const double smooth_outer_range /* =2.0  0...100...DOUBLE_MAX */
	,
	const int polygon_number /* =2    2...16...INT_MAX */
	,
	const double roll_degree /* =0.0  0...360...DOUBLE_MAX */

	/* Action Type */
	,
	const bool min_sw /* =false */
	,
	const bool alpha_rendering_sw /* =true  */
	,
	const bool add_blend_sw /* =true  */

	/* Speed up */
	,
	const int number_of_thread /* =1    1...24...INT_MAX */
	)
{
	if ((igs::image::rgba::siz != channels) &&
		(igs::image::rgb::siz != channels) &&
		(1 != channels) /* grayscale */
		) {
		throw std::domain_error("Bad channels,Not rgba/rgb/grayscale");
	}

	if ((std::numeric_limits<unsigned char>::digits == bits) && ((std::numeric_limits<unsigned char>::digits == ref_bits) || (0 == ref_bits))) {
		igs::maxmin::multithread<
			unsigned char, unsigned char> mthread(inn, out, height, width, channels

												  ,
												  ref, ref_mode

												  ,
												  radius, smooth_outer_range, polygon_number, roll_degree, min_sw, alpha_rendering_sw, add_blend_sw, number_of_thread);
		mthread.run();
		mthread.clear();
	} else if ((std::numeric_limits<unsigned short>::digits == bits) && ((std::numeric_limits<unsigned char>::digits == ref_bits) || (0 == ref_bits))) {
		igs::maxmin::multithread<
			unsigned short, unsigned char>
		mthread(
			reinterpret_cast<const unsigned short *>(inn), reinterpret_cast<unsigned short *>(out), height, width, channels

			,
			ref, ref_mode

			,
			radius, smooth_outer_range, polygon_number, roll_degree, min_sw, alpha_rendering_sw, add_blend_sw, number_of_thread);
		mthread.run();
		mthread.clear();
	} else if ((std::numeric_limits<unsigned short>::digits == bits) && (std::numeric_limits<unsigned short>::digits == ref_bits)) {
		igs::maxmin::multithread<
			unsigned short, unsigned short>
		mthread(
			reinterpret_cast<const unsigned short *>(inn), reinterpret_cast<unsigned short *>(out), height, width, channels

			,
			reinterpret_cast<const unsigned short *>(ref), ref_mode

			,
			radius, smooth_outer_range, polygon_number, roll_degree, min_sw, alpha_rendering_sw, add_blend_sw, number_of_thread);
		mthread.run();
		mthread.clear();
	} else if ((std::numeric_limits<unsigned char>::digits == bits) && (std::numeric_limits<unsigned short>::digits == ref_bits)) {
		igs::maxmin::multithread<
			unsigned char, unsigned short>
		mthread(
			inn, out, height, width, channels

			,
			reinterpret_cast<const unsigned short *>(ref), ref_mode

			,
			radius, smooth_outer_range, polygon_number, roll_degree, min_sw, alpha_rendering_sw, add_blend_sw, number_of_thread);
		mthread.run();
		mthread.clear();
	} else {
		throw std::domain_error("Bad bits,Not uchar/ushort");
	}
}