forked from pwiecz/go-fltk
/
main.go
74 lines (69 loc) · 1.64 KB
/
main.go
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package main
import (
goimage "image"
"image/color"
"github.com/pwiecz/go-fltk"
)
func main() {
win := fltk.NewWindow(400, 300)
{
data := make([]uint8, 0, 10000*3)
for x := 0; x < 100; x++ {
for y := 0; y < 100; y++ {
data = append(data, uint8(x), uint8(y), uint8((x+y)%256))
}
}
image, err := fltk.NewRgbImage(data, 100, 100, 3)
if err != nil {
panic(err)
}
image.Scale(100, 100, true, true)
box1 := fltk.NewBox(fltk.FLAT_BOX, 0, 0, 100, 100, "")
box1.SetImage(image)
}
{
grayImage := goimage.NewGray(goimage.Rect(0, 0, 100, 100))
for x := 0; x < 100; x++ {
for y := 0; y < 100; y++ {
grayImage.Set(x, y, color.Gray{uint8(x + y)})
}
}
image, err := fltk.NewRgbImageFromImage(grayImage)
if err != nil {
panic(err)
}
box2 := fltk.NewBox(fltk.FLAT_BOX, 0, 100, 100, 100, "")
box2.SetImage(image)
}
{
rgbaImage := goimage.NewRGBA(goimage.Rect(0, 0, 100, 100))
for x := 0; x < 100; x++ {
for y := 0; y < 100; y++ {
rgbaImage.Set(x, y, color.RGBA{uint8(x), uint8(y), uint8(x + y), 255})
}
}
image, err := fltk.NewRgbImageFromImage(rgbaImage)
if err != nil {
panic(err)
}
box3 := fltk.NewBox(fltk.FLAT_BOX, 0, 200, 100, 100, "")
box3.SetImage(image)
}
{
cmykImage := goimage.NewCMYK(goimage.Rect(0, 0, 100, 100))
for x := 0; x < 100; x++ {
for y := 0; y < 100; y++ {
cmykImage.Set(x, y, color.CMYK{uint8(x), uint8(y), uint8(x + y), uint8(100 + x - y)})
}
}
image, err := fltk.NewRgbImageFromImage(cmykImage)
if err != nil {
panic(err)
}
box3 := fltk.NewBox(fltk.FLAT_BOX, 100, 0, 100, 100, "")
box3.SetImage(image)
}
win.End()
win.Show()
fltk.Run()
}