package photos

import (
	"image"
	"testing"
	"time"
)

func BenchmarkApplyLight(b *testing.B) {
	w, h := 4000, 3000
	src := image.NewNRGBA(image.Rect(0, 0, w, h))
	for i := range src.Pix {
		src.Pix[i] = uint8(i % 251)
	}
	p := LightParams{
		Exposure:   0.5,
		Contrast:   20,
		Highlights: -30,
		Shadows:    40,
		Curve: CurveParams{
			RGB: []CurvePoint{{X: 0, Y: 0}, {X: 0.5, Y: 0.4}, {X: 1, Y: 1}},
		},
	}
	b.ResetTimer()
	for i := 0; i < b.N; i++ {
		_ = applyLight(src, p)
	}
	b.StopTimer()
	b.Logf("кадров: %d", b.N)
}

func TestRenderSpeed(t *testing.T) {
	w, h := 4000, 3000
	src := image.NewNRGBA(image.Rect(0, 0, w, h))
	for i := range src.Pix {
		src.Pix[i] = uint8(i % 251)
	}
	start := time.Now()
	_ = applyLight(src, LightParams{Exposure: 0.5, Contrast: 20})
	t.Logf("applyLight %dx%d: %s", w, h, time.Since(start))
}