51 lines
1,015 B
Go
51 lines
1,015 B
Go
package main
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import (
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"log"
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"github.com/tfriedel6/canvas"
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"github.com/tfriedel6/canvas/glimpl/xmobile"
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"golang.org/x/exp/shiny/driver/gldriver"
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"golang.org/x/exp/shiny/screen"
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"golang.org/x/exp/shiny/widget"
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"golang.org/x/exp/shiny/widget/glwidget"
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"golang.org/x/exp/shiny/widget/node"
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)
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var cv *canvas.Canvas
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var sheet *widget.Sheet
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func main() {
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gldriver.Main(func(s screen.Screen) {
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glw := glwidget.NewGL(draw)
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sheet = widget.NewSheet(glw)
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canvas.LoadGL(glimplxmobile.New(glw.Ctx))
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cv = canvas.New(0, 0, 600, 600)
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err := widget.RunWindow(s, sheet, &widget.RunWindowOptions{
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NewWindowOptions: screen.NewWindowOptions{
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Title: "Shiny Canvas Example",
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Width: 600,
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Height: 600,
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},
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})
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if err != nil {
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log.Fatal(err)
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}
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})
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}
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func draw(w *glwidget.GL) {
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cv.Save()
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defer cv.Restore()
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cv.Translate(0, 600)
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cv.Scale(1, -1)
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cv.ClearRect(0, 0, 600, 600)
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cv.SetFillStyle("#FF00FF")
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cv.FillRect(100, 100, 200, 200)
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w.Publish()
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w.Mark(node.MarkNeedsPaintBase)
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}
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