draw2d/draw2dkit/draw2dkit_test.go

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package draw2dkit
import (
"image"
"image/color"
"testing"
"github.com/llgcode/draw2d/draw2dimg"
)
func TestCircle(t *testing.T) {
width := 200
height := 200
img := image.NewRGBA(image.Rect(0, 0, width, height))
gc := draw2dimg.NewGraphicContext(img)
gc.SetStrokeColor(color.NRGBA{255, 255, 255, 255})
gc.SetFillColor(color.NRGBA{255, 255, 255, 255})
gc.Clear()
gc.SetStrokeColor(color.NRGBA{255, 0, 0, 255})
gc.SetLineWidth(1)
// Draw a circle
Circle(gc, 100, 100, 50)
gc.Stroke()
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draw2dimg.SaveToPngFile("../output/draw2dkit/TestCircle.png", img)
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}