Created
October 10, 2016 13:33
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A Tour of Go Exercise: Images
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package main | |
import ( | |
"golang.org/x/tour/pic" | |
"image" | |
"image/color" | |
) | |
type Image struct{ | |
width int | |
height int | |
} | |
func (i Image) Bounds() image.Rectangle { | |
return image.Rect(0, 0, i.width, i.height) | |
} | |
func (i Image) ColorModel() color.Model { | |
return color.RGBAModel | |
} | |
func (i Image) At(x, y int) color.Color { | |
return color.RGBA{uint8(x % 256), uint8(y % 256), 255, 255} | |
} | |
func main() { | |
m := Image{200, 200} | |
pic.ShowImage(m) | |
} |
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