paint

README

Utility lib for writing shapes on an image

Documentation

Index

• func AddLabel(img *image.RGBA, pos Coords, label string, col color.Color)
• func DrawArc(img *image.RGBA, center Coords, radius int, startAngle, endAngle float64, ...)
• func DrawCircle(img *image.RGBA, clr color.RGBA, radius int, center Coords)
• func DrawFilledCircle(img *image.RGBA, color color.RGBA, radius int, center Coords)
• func DrawLine(img *image.RGBA, p1, p2 Coords, color color.RGBA, thickness int, dotted bool)
• func DrawRectangle(img *image.RGBA, p1, p2 Coords, clr color.RGBA, thickness int, dotted bool)
• func DrawRotatedRectangle(img *image.RGBA, p1, p2 Coords, theta float64, clr color.RGBA, thickness int, ...)
• func DrawTriangle(img *image.RGBA, p1, p2, p3 Coords, clr color.RGBA, thickness int, dotted bool)
• type Coords
  • func RotatePoint(p, center Coords, theta float64) Coords
  • func RotateRectangle(p1, p2 Coords, theta float64) [4]Coords

Functions

func AddLabel

func AddLabel(img *image.RGBA, pos Coords, label string, col color.Color)

func DrawArc

func DrawArc(img *image.RGBA, center Coords, radius int, startAngle, endAngle float64, clr color.RGBA, thickness int)

func DrawCircle

func DrawCircle(img *image.RGBA, clr color.RGBA, radius int, center Coords)

func DrawFilledCircle

func DrawFilledCircle(img *image.RGBA, color color.RGBA, radius int, center Coords)

func DrawLine

func DrawLine(img *image.RGBA, p1, p2 Coords, color color.RGBA, thickness int, dotted bool)

func DrawRectangle

func DrawRectangle(img *image.RGBA, p1, p2 Coords, clr color.RGBA, thickness int, dotted bool)

func DrawRotatedRectangle

func DrawRotatedRectangle(img *image.RGBA, p1, p2 Coords, theta float64, clr color.RGBA, thickness int, dotted bool)

func DrawTriangle

func DrawTriangle(img *image.RGBA, p1, p2, p3 Coords, clr color.RGBA, thickness int, dotted bool)

Types

type Coords

type Coords struct {
	X, Y int
}

func RotatePoint

func RotatePoint(p, center Coords, theta float64) Coords

func RotateRectangle

func RotateRectangle(p1, p2 Coords, theta float64) [4]Coords

Expects p1 to be top left and p2 to be bottom right