/
methods-16-images.go
56 lines (45 loc) · 970 Bytes
/
methods-16-images.go
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package main
import (
//"fmt"
"golang.org/x/tour/pic"
"image"
"image/color"
)
type Image struct {
width, height int
image [][]uint8
}
func (self *Image) Initialize() {
self.image = make([][]uint8, self.width)
for x := range self.image {
self.image[x] = make([]uint8, self.height)
for y := range self.image[x] {
self.image[x][y] = 0
}
}
}
func (self *Image) Draw() {
for x := range self.image {
self.image[x] = make([]uint8, self.height)
for y := range self.image[x] {
self.image[x][y] = uint8((x + y)/3)
}
}
}
func (self *Image) ColorModel() color.Model {
return color.RGBAModel
}
func (self *Image) Bounds() image.Rectangle {
return image.Rect(0, 0, self.width, self.height)
}
func (self *Image) At(x, y int) color.Color {
c := self.image[x][y]
return color.RGBA{uint8(c), uint8(c), 255, 255}
}
func main() {
m := Image{width: 200, height: 200}
m.Initialize()
m.Draw()
pic.ShowImage(&m)
//fmt.Println(m.image)
}