58 lines
1.3 KiB
Go
58 lines
1.3 KiB
Go
package main
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import "os"
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import "image"
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import _ "image/png"
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import "git.tebibyte.media/sashakoshka/stone"
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import _ "git.tebibyte.media/sashakoshka/stone/backends/x"
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var application = &stone.Application { }
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var mousePressed bool
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func main () {
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application.SetTitle("drawing canvas")
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application.SetSize(32, 16)
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iconFile16, err := os.Open("assets/scaffold16.png")
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if err != nil { panic(err) }
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icon16, _, err := image.Decode(iconFile16)
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if err != nil { panic(err) }
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iconFile16.Close()
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iconFile32, err := os.Open("assets/scaffold32.png")
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if err != nil { panic(err) }
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icon32, _, err := image.Decode(iconFile32)
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if err != nil { panic(err) }
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iconFile16.Close()
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application.SetIcon([]image.Image { icon16, icon32 })
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application.OnPress(onPress)
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application.OnRelease(onRelease)
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application.OnMouseMove(onMouseMove)
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err = application.Run()
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if err != nil { panic(err) }
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}
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func onPress (button stone.Button, modifiers stone.Modifiers) {
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if button == stone.MouseButtonLeft {
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mousePressed = true
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application.SetRune(0, 0, '+')
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application.Draw()
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}
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}
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func onRelease (button stone.Button) {
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if button == stone.MouseButtonLeft {
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mousePressed = false
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application.SetRune(0, 0, 0)
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application.Draw()
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}
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}
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func onMouseMove (x, y int) { if mousePressed {
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application.SetRune(x, y, '#')
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application.Draw()
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}
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}
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