drawbbox

Documentation

Index

• func GetColor(c, x, max int) float64
• func GetConstrastColor(r, g, b float64) (rate, fR, fG, fB float64)
• type BBox
• type LabelAdder
  • func NewLabelAdder() *LabelAdder
  • func (a *LabelAdder) AddOnImage(img image.Image, boxes []*BBox, nowTs int64) image.Image
  • func (a *LabelAdder) AddOnJpgBytes(jpgBytes []byte, boxes []*BBox, nowTs int64) ([]byte, error)

Functions

func GetColor

func GetColor(c, x, max int) float64

R, G, B -- c: 2, 1, 0

func GetConstrastColor

func GetConstrastColor(r, g, b float64) (rate, fR, fG, fB float64)

https://ux.stackexchange.com/questions/82056/how-to-measure-the-contrast-between-any-given-color-and-white/82068#82068

Types

type BBox

type BBox struct {
	Left, Top, Right, Bottom float64
	BoxR, BoxG, BoxB         float64
	TxtR, TxtG, TxtB         float64
	Label                    string
}

type LabelAdder

type LabelAdder struct {
	// contains filtered or unexported fields
}

func NewLabelAdder

func NewLabelAdder() *LabelAdder

func (*LabelAdder) AddOnImage

func (a *LabelAdder) AddOnImage(img image.Image, boxes []*BBox, nowTs int64) image.Image

func (*LabelAdder) AddOnJpgBytes

func (a *LabelAdder) AddOnJpgBytes(jpgBytes []byte, boxes []*BBox, nowTs int64) ([]byte, error)