public void FindsCenterFromTwoSubPixels()
{
var tl = SubPixel.Create(0, 0, 1, 0, 0);
var br = SubPixel.Create(1, 1, 1, 0, 0);
var c = SubPixel.Center(in tl, in br);
c.Should().Be(SubPixel.Create(0, 0, 2, 1, 1));
tl = SubPixel.Create(2, 3, 2, 1, 1);
br = SubPixel.Create(3, 4, 1, 0, 0);
c = SubPixel.Center(in tl, in br);
c.Should().Be(SubPixel.Create(2, 3, 4, 3, 3));
}
public void SamplesMorePointsUntilPassLimitReached()
{
var tester = new TestRenderer();
tester.AddSample(new SubPixel(0, 0, 1, 0, 0), Colors.White);
var delta = 0.1f;
var aaa = new AdaptiveRenderer(3, 0.001f, tester);
var c = aaa.Render(SubPixel.ForPixelCenter(0, 0));
c.Red.Should().BeApproximately(0.0f, delta);
c.Blue.Should().BeApproximately(0.0f, delta);
c.Green.Should().BeApproximately(0.0f, delta);
tester.ProbeCount().Should().Be(14);
}
public void SamplesMorePointsUntilToleranceReached()
{
var tester = new TestRenderer();
tester.AddSample(new SubPixel(0, 0, 2, 1, 1), new Color(0.01f, 0.01f, 0.01f));
tester.AddSample(new SubPixel(0, 0, 2, 0, 1), new Color(0.01f, 0.01f, 0.01f));
tester.AddSample(new SubPixel(0, 0, 2, 1, 0), new Color(0.01f, 0.01f, 0.01f));
tester.AddSample(new SubPixel(0, 0, 1, 0, 0), new Color(0.02f, 0.02f, 0.02f));
var delta = 0.1f;
var aaa = new AdaptiveRenderer(10, 0.08f, tester);
var c = aaa.Render(SubPixel.ForPixelCenter(0, 0));
c.Red.Should().BeApproximately(0.0f, delta);
c.Blue.Should().BeApproximately(0.0f, delta);
c.Green.Should().BeApproximately(0.0f, delta);
tester.ProbeCount().Should().BeInRange(14, 100);
}
public void CanFindSubPixelCorners()
{
var sp = SubPixel.Create(0, 0, 2, 1, 1);
var(tl, tr, bl, br) = SubPixel.Corners(in sp);
tl.Should().Be(SubPixel.Create(0, 0, 1, 0, 0));
tr.Should().Be(SubPixel.Create(1, 0, 1, 0, 0));
bl.Should().Be(SubPixel.Create(0, 1, 1, 0, 0));
br.Should().Be(SubPixel.Create(1, 1, 1, 0, 0));
sp = SubPixel.Create(3, 4, 4, 3, 2);
(tl, tr, bl, br) = SubPixel.Corners(in sp);
tl.Should().Be(SubPixel.Create(3, 4, 4, 2, 1));
tr.Should().Be(SubPixel.Create(4, 4, 4, 0, 1));
bl.Should().Be(SubPixel.Create(3, 4, 4, 2, 3));
br.Should().Be(SubPixel.Create(4, 4, 4, 0, 3));
}
public void SubPixelAlignToLowestDivisions()
{
var sp = SubPixel.Create(1, 1, 1, 1, 1);
sp.X.Should().Be(2);
sp.Y.Should().Be(2);
sp.Divisions.Should().Be(1);
sp.Dx.Should().Be(0);
sp.Dy.Should().Be(0);
sp = SubPixel.Create(1, 1, 2, 1, 1);
sp.X.Should().Be(1);
sp.Y.Should().Be(1);
sp.Divisions.Should().Be(2);
sp.Dx.Should().Be(1);
sp.Dy.Should().Be(1);
sp = SubPixel.Create(1, 3, 4, 3, 4);
sp.X.Should().Be(1);
sp.Y.Should().Be(4);
sp.Divisions.Should().Be(4);
sp.Dx.Should().Be(3);
sp.Dy.Should().Be(0);
}
public void AddSample(SubPixel subPixel, Color color)
{
_samples.Add(subPixel, color);
}
public Pixel(SubPixel R, SubPixel G, SubPixel B)
{
this.R = R.ToVector();
this.G = G.ToVector();
this.B = B.ToVector();
}
