package image

import (
	"image/color"
)

// YCbCrSubsampleRatio is the chroma subsample ratio used in a YCbCr image.
type YCbCrSubsampleRatio int

const (
	YCbCrSubsampleRatio444 YCbCrSubsampleRatio = iota
	YCbCrSubsampleRatio422
	YCbCrSubsampleRatio420
	YCbCrSubsampleRatio440
	YCbCrSubsampleRatio411
	YCbCrSubsampleRatio410
)

func (s YCbCrSubsampleRatio) String() string {
	switch s {
	case YCbCrSubsampleRatio444:

		Rect(7, 7, 8, 8),
		Rect(7, 8, 8, 9),
		Rect(8, 7, 9, 8),
		Rect(8, 8, 9, 9),
		Rect(7, 7, 17, 17),
		Rect(8, 8, 17, 17),
		Rect(9, 9, 17, 17),
		Rect(10, 10, 17, 17),
	}
	subsampleRatios := []YCbCrSubsampleRatio{
		YCbCrSubsampleRatio444,
		YCbCrSubsampleRatio422,
		YCbCrSubsampleRatio420,
		YCbCrSubsampleRatio440,
		YCbCrSubsampleRatio411,
		YCbCrSubsampleRatio410,
	}
	deltas := []Point{
		Pt(0, 0),

	y1 := r.Max.Y - dst.Rect.Min.Y
	switch src.SubsampleRatio {
`

const post = `
	default:
		return false
	}
	return true
}
`

const sratioCase = `
	case image.YCbCrSubsampleRatio%s:
		for y, sy := y0, sp.Y; y != y1; y, sy = y+1, sy+1 {
			dpix := dst.Pix[y*dst.Stride:]
			yi := (sy-src.Rect.Min.Y)*src.YStride + (sp.X - src.Rect.Min.X)
			%s

pkg html/template, func IsTrue(interface{}) (bool, bool)
pkg html/template, method (*Template) DefinedTemplates() string
pkg image, func NewNYCbCrA(Rectangle, YCbCrSubsampleRatio) *NYCbCrA
pkg image, method (*NYCbCrA) AOffset(int, int) int
pkg image, method (*NYCbCrA) At(int, int) color.Color
pkg image, method (*NYCbCrA) Bounds() Rectangle
pkg image, method (*NYCbCrA) COffset(int, int) int

		d.img1 = m.SubImage(image.Rect(0, 0, d.width, d.height)).(*image.Gray)
		return
	}

	h0 := d.comp[0].h
	v0 := d.comp[0].v
	hRatio := h0 / d.comp[1].h
	vRatio := v0 / d.comp[1].v
	var subsampleRatio image.YCbCrSubsampleRatio
	switch hRatio<<4 | vRatio {
	case 0x11:
		subsampleRatio = image.YCbCrSubsampleRatio444
	case 0x12:
		subsampleRatio = image.YCbCrSubsampleRatio440
	case 0x21:
		subsampleRatio = image.YCbCrSubsampleRatio422

pkg html/template, method (*Template) Option(...string) *Template
pkg image, const YCbCrSubsampleRatio410 = 5
pkg image, const YCbCrSubsampleRatio410 YCbCrSubsampleRatio
pkg image, const YCbCrSubsampleRatio411 = 4
pkg image, const YCbCrSubsampleRatio411 YCbCrSubsampleRatio
pkg image, func NewCMYK(Rectangle) *CMYK
pkg image, method (*CMYK) At(int, int) color.Color
pkg image, method (*CMYK) Bounds() Rectangle

		{"(Rectangle).RGBA64At", Method, 17},
		{"(Rectangle).Size", Method, 0},
		{"(Rectangle).String", Method, 0},
		{"(Rectangle).Sub", Method, 0},
		{"(Rectangle).Union", Method, 0},
		{"(YCbCrSubsampleRatio).String", Method, 0},
		{"Alpha", Type, 0},
		{"Alpha.Pix", Field, 0},
		{"Alpha.Rect", Field, 0},
		{"Alpha.Stride", Field, 0},
		{"Alpha16", Type, 0},
		{"Alpha16.Pix", Field, 0},

pkg html/template, type JSStr string
pkg html/template, type Template struct
pkg html/template, type URL string
pkg image, const YCbCrSubsampleRatio420 YCbCrSubsampleRatio
pkg image, const YCbCrSubsampleRatio422 YCbCrSubsampleRatio
pkg image, const YCbCrSubsampleRatio444 YCbCrSubsampleRatio
pkg image, func Decode(io.Reader) (Image, string, error)
pkg image, func DecodeConfig(io.Reader) (Config, string, error)

pkg html/template, const OK = 0
pkg image, const YCbCrSubsampleRatio420 = 2
pkg image, const YCbCrSubsampleRatio422 = 1
pkg image, const YCbCrSubsampleRatio440 = 3
pkg image, const YCbCrSubsampleRatio440 YCbCrSubsampleRatio
pkg image, const YCbCrSubsampleRatio444 = 0
pkg image/draw, const Over = 0
pkg image/draw, const Src = 1
pkg image/jpeg, const DefaultQuality = 75
pkg io, type ByteWriter interface { WriteByte }