#ifndef igs_ifx_common_h

#define igs_ifx_common_h

#ifndef IGS_IFX_COMMON_EXPORT

#define IGS_IFX_COMMON_EXPORT

#endif

#define RGBA_ORDER_OF_TOONZ6

namespace igs

{

namespace image

{

#if defined RGBA_ORDER_OF_TOONZ6

// Toonz6, or GDI, TGA order

/*	Exsample:

	igs::image::rgba::num order = igs::image::rgba::red;

	igs::image::rgb::num order = igs::image::rgba::red;

  */

namespace rgba

{

enum num { blu = 0,

		   gre,

		   red,

		   alp,

		   siz };

}

namespace rgb

{

enum num { blu = 0,

		   gre,

		   red,

		   siz };

}

#elif defined RGBA_ORDER_OF_OPENGL

// OpenGL order

namespace rgba

{

enum num { red = 0,

		   gre,

		   blu,

		   alp,

		   siz };

}

namespace rgb

{

enum num { red = 0,

		   gre,

		   blu,

		   siz };

}

#else

Must be define / DRGBA_ORDER_OF_TOONZ6 or / DRGBA_ORDER_OF_OPENGL

#endif

// Direct 3D, Apple Packed Pixel order

// namespace rgba {enum num { alp=0, red, gre, blu, siz }; }

// Direct 3D 10

// namespace rgba {enum num { alp=0, blu, gre, red, siz }; }

template <class t=""></class>

void copy_except_margin(

	const T *in, const int margin, T *out, const int hh, const int ww, const int cc)

{

	const T *p_in = in + margin * (ww + margin * 2) * cc + margin * cc;

	T *pout = out;

	for (int yy = margin; yy < hh + margin; ++yy, p_in += 2 * margin * cc) {

		for (int xx = margin; xx < ww + margin; ++xx, p_in += cc, pout += cc) {

			for (int zz = 0; zz < cc; ++zz) {

				pout[zz] = p_in[zz];

			}

		}

	}

}

}

namespace color

{

template <class t=""></class>

double ref_value(

	const T *ref, const int cc, const int ref_max, const int ref_mode)

{

	if (igs::image::rgba::siz == cc) {

		using namespace igs::image::rgba;

		switch (ref_mode) {

		case 0:

			return static_cast<double>(ref[red]) / ref_max;</double>

			break;

		case 1:

			return static_cast<double>(ref[gre]) / ref_max;</double>

			break;

		case 2:

			return static_cast<double>(ref[blu]) / ref_max;</double>

			break;

		case 3:

			return static_cast<double>(ref[alp]) / ref_max;</double>

			break;

		case 4:

			return /* 輝度(Luminance)(CCIR Rec.601) */

				0.298912 * static_cast<double>(ref[red]) / ref_max +</double>

				0.586611 * static_cast<double>(ref[gre]) / ref_max +</double>

				0.114478 * static_cast<double>(ref[blu]) / ref_max;</double>

			break;

		}

	} else if (igs::image::rgb::siz == cc) {

		using namespace igs::image::rgb;

		switch (ref_mode) {

		case 0:

			return static_cast<double>(ref[red]) / ref_max;</double>

			break;

		case 1:

			return static_cast<double>(ref[gre]) / ref_max;</double>

			break;

		case 2:

			return static_cast<double>(ref[blu]) / ref_max;</double>

			break;

		case 3:

			return /* 輝度(Luminance)(CCIR Rec.601) */

				0.298912 * static_cast<double>(ref[red]) / ref_max +</double>

				0.586611 * static_cast<double>(ref[gre]) / ref_max +</double>

				0.114478 * static_cast<double>(ref[blu]) / ref_max;</double>

			break;

		}

	} else if (1 == cc) {

		return static_cast<double>(ref[0]) / ref_max;</double>

	}

	return 1.0;

}

}

}

#endif /* !igs_ifx_common_h */