46 lines
774 B
Go
46 lines
774 B
Go
package imageutils
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import (
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"image"
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"image/color"
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"image/draw"
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"image/png"
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"io"
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"testing"
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"github.com/potassium5703/texture"
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)
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func Render(img image.Image, rect image.Rectangle) image.Image {
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newimg := image.NewRGBA(rect)
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draw.Draw(newimg, rect, image.White, image.ZP, draw.Src)
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draw.Draw(newimg, rect, img, image.ZP, draw.Over)
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return newimg
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}
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func BenchmarkScale(b *testing.B) {
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for i := 0; i < b.N; i++ {
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err := png.Encode(io.Discard,
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Scale(Render(
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texture.New(color.White,
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color.Black, 2),
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image.Rect(0, 0, 64, 64),
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), 64),
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)
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if err != nil {
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panic(err)
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}
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}
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}
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func BenchmarkSinglePixel(b *testing.B) {
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instance := SinglePixel{}
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err := png.Encode(io.Discard,
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Scale(instance, b.N),
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)
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if err != nil {
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panic(err)
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}
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}
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