s := spix[i : i+4 : i+4] // Small cap improves performance, see https://golang.org/issue/27857
			sr := uint32(s[0]) * 0x101
			sg := uint32(s[1]) * 0x101
			sb := uint32(s[2]) * 0x101
			sa := uint32(s[3]) * 0x101

			// The 0x101 is here for the same reason as in drawRGBA.
			a := (m - sa) * 0x101

			d := dpix[i : i+4 : i+4] // Small cap improves performance, see https://golang.org/issue/27857

}

// CMYKToRGB converts a [CMYK] quadruple to an RGB triple.
func CMYKToRGB(c, m, y, k uint8) (uint8, uint8, uint8) {
	w := 0xffff - uint32(k)*0x101
	r := (0xffff - uint32(c)*0x101) * w / 0xffff
	g := (0xffff - uint32(m)*0x101) * w / 0xffff
	b := (0xffff - uint32(y)*0x101) * w / 0xffff
	return uint8(r >> 8), uint8(g >> 8), uint8(b >> 8)
}

// CMYK represents a fully opaque CMYK color, having 8 bits for each of cyan,

	dep "istio.io/istio/tools/istio-iptables/pkg/dependencies"
	iptableslog "istio.io/istio/tools/istio-iptables/pkg/log"
)

var log = scopes.CNIAgent

const (
	// INPOD marks/masks
	InpodTProxyMark      = 0x111
	InpodTProxyMask      = 0xfff
	InpodMark            = 1337 // this needs to match the inpod config mark in ztunnel.
	InpodMask            = 0xfff
	InpodRestoreMask     = 0xffffffff
	ChainInpodOutput     = "ISTIO_OUTPUT"

// whether the intelligibility goes one or both ways.
var matchLang = []mutualIntelligibility{ // 113 elements
	0:   {want: 0x1d1, have: 0xb7, distance: 0x4, oneway: false},
	1:   {want: 0x407, have: 0xb7, distance: 0x4, oneway: false},
	2:   {want: 0x407, have: 0x1d1, distance: 0x4, oneway: false},
	3:   {want: 0x407, have: 0x432, distance: 0x4, oneway: false},
	4:   {want: 0x43a, have: 0x1, distance: 0x4, oneway: false},

						//
						// The multiplier m combines 0x101 (which converts
						// 8-bit color to 16-bit color) and 0xffff (which, when
						// combined with the division-by-a, converts from
						// alpha-premultiplied to non-alpha-premultiplied).
						const m = 0x101 * 0xffff
						a := uint32(s[3]) * 0x101
						d[0] = uint8((uint32(s[0]) * m / a) >> 8)
						d[1] = uint8((uint32(s[1]) * m / a) >> 8)

	0x0e8b,
	0x0ea4,
	0x0ea6,
	0x0ec5,
	0x0ec7,
	0x0ecf,
	0x0f48,
	0x0f98,
	0x0fbd,
	0x0fcd,
	0x10c6,
	0x1249,
	0x1257,
	0x1259,
	0x1289,
	0x12b1,
	0x12bf,
	0x12c1,
	0x12d7,
	0x1311,
	0x1680,
	0x176d,
	0x1771,
	0x180e,
	0x191f,
	0x1a5f,
	0x1b7f,
	0x1f58,
	0x1f5a,
	0x1f5c,
	0x1f5e,
	0x1fb5,
	0x1fc5,
	0x1fdc,
	0x1ff5,

DATA K256<>+0x1b0(SB)/4, $0x391c0cb3
DATA K256<>+0x1b4(SB)/4, $0x4ed8aa4a
DATA K256<>+0x1b8(SB)/4, $0x5b9cca4f
DATA K256<>+0x1bc(SB)/4, $0x682e6ff3

DATA K256<>+0x1c0(SB)/4, $0x748f82ee
DATA K256<>+0x1c4(SB)/4, $0x78a5636f
DATA K256<>+0x1c8(SB)/4, $0x84c87814
DATA K256<>+0x1cc(SB)/4, $0x8cc70208
DATA K256<>+0x1d0(SB)/4, $0x748f82ee
DATA K256<>+0x1d4(SB)/4, $0x78a5636f
DATA K256<>+0x1d8(SB)/4, $0x84c87814

#define CALC_56 \
	CALC_F3_PRE(0x1c0,DI) \
	PRECALC_16(Y12,Y8,Y5,Y3) \
	CALC_F3_POST(AX,CX,BX,DI,DX)

#define CALC_57 \
	CALC_F3_PRE(0x1c4,SI) \
	PRECALC_17(Y12,Y7,Y3) \
	CALC_F3_POST(DI,DX,CX,SI,AX)

#define CALC_58 \
	CALC_F3_PRE(0x1c8,BX) \
	PRECALC_18(Y3) \
	CALC_F3_POST(SI,AX,DX,BX,DI)

#define CALC_59 \
	CALC_F2_PRE(0x1cc,BX,SI,CX) \
	PRECALC_19(Y3) \

DATA K256<>+0x1b4(SB)/4, $0x4ed8aa4a
DATA K256<>+0x1b8(SB)/4, $0x5b9cca4f
DATA K256<>+0x1bc(SB)/4, $0x682e6ff3

DATA K256<>+0x1c0(SB)/4, $0x748f82ee
DATA K256<>+0x1c4(SB)/4, $0x78a5636f
DATA K256<>+0x1c8(SB)/4, $0x84c87814
DATA K256<>+0x1cc(SB)/4, $0x8cc70208
DATA K256<>+0x1d0(SB)/4, $0x748f82ee
DATA K256<>+0x1d4(SB)/4, $0x78a5636f
DATA K256<>+0x1d8(SB)/4, $0x84c87814