place/api/structs/structs.go

package structs

type Coordinates struct {
	X int `form:"x" json:"x"`
	Y int `form:"y" json:"y"`
}

type Color struct {
	R uint32 `form:"r" json:"r"`
	G uint32 `form:"g" json:"g"`
	B uint32 `form:"b" json:"b"`
}

type Pixel struct {
	Coordinates
	Color
}

func (c *Color) RGBA() (r, g, b, a uint32) {
	return c.R, c.G, c.B, 65535
}