45 lines
976 B
Go
45 lines
976 B
Go
// go test -race -test.v sync_test.go
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package draw2d_test
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import (
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"fmt"
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"github.com/llgcode/draw2d"
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"github.com/llgcode/draw2d/draw2dimg"
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"github.com/llgcode/draw2d/draw2dkit"
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"image"
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"testing"
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)
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func TestSync(t *testing.T) {
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ch := make(chan int)
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limit := 2
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for i := 0; i < limit; i++ {
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go Draw(i, ch)
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}
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for i := 0; i < limit; i++ {
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counter := <-ch
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t.Logf("Goroutine %d returned\n", counter)
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}
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}
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func Draw(i int, ch chan<- int) {
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draw2d.SetFontFolder("./resource/font")
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// Draw a rounded rectangle using default colors
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dest := image.NewRGBA(image.Rect(0, 0, 297, 210.0))
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gc := draw2dimg.NewGraphicContext(dest)
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draw2dkit.RoundedRectangle(gc, 5, 5, 135, 95, 10, 10)
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gc.FillStroke()
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// Set the fill text color to black
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gc.SetFillColor(image.Black)
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gc.SetFontSize(14)
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// Display Hello World dimensions
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x1, y1, x2, y2 := gc.GetStringBounds("Hello world")
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gc.FillStringAt(fmt.Sprintf("%.2f %.2f %.2f %.2f", x1, y1, x2, y2), 0, 0)
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ch <- i
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}
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