public AutomationDiff(Song.Automation a, Song.Automation b, int index)
{
this.a = a;
this.b = b;
this.index = index;
deviceIndex = a.DeviceIndex != b.DeviceIndex;
paramId = a.ParamId != b.ParamId;
if (a.DeltaCodedPoints.Count != b.DeltaCodedPoints.Count)
{
pointCounts = true;
}
else
{
for (int i = 0; i < a.Points.Count; i++)
{
var aPoint = a.DeltaCodedPoints[i];
var bPoint = b.DeltaCodedPoints[i];
var pointDiff = new PointDiff(aPoint, bPoint, i);
if (!pointDiff.IsEmpty)
{
pointDiffs.Add(pointDiff);
}
}
}
}
public void TestApplyDelete()
{
var p = ReadWkt <Point>("POINT(10.53 60.10)");
var diff = new PointDiff()
{
Index = 0, Operation = Operation.Delete, Value = new CoordinateDelta()
{
X = 1, Y = 2
}
};
var n = diff.Apply(p);
Assert.AreEqual(null, n);
}
public void TestApplyCreate()
{
var diff = new PointDiff()
{
Index = 0, Operation = Operation.Insert, Value = new CoordinateDelta()
{
X = 1, Y = 2
}
};
var n = diff.Apply(null);
var p2 = ReadWkt <Point>("POINT(1 2)");
Assert.AreEqual(p2, n);
}
public void TestReverseModify()
{
var diff = new PointDiff()
{
Index = 0, Operation = Operation.Modify, Value = new CoordinateDelta()
{
X = -0.01
}
};
var reversed = (PointDiff)diff.Reverse();
Assert.AreEqual(0, reversed.Index);
Assert.AreEqual(Operation.Modify, reversed.Operation);
Assert.AreEqual(0.01, reversed.Value.X);
}
public void TestReverseDelete()
{
var diff = new PointDiff()
{
Index = 0, Operation = Operation.Delete, Value = new CoordinateDelta()
{
X = 1, Y = 2
}
};
var reversed = (PointDiff)diff.Reverse();
Assert.AreEqual(0, reversed.Index);
Assert.AreEqual(Operation.Insert, reversed.Operation);
Assert.AreEqual(1, reversed.Value.X);
Assert.AreEqual(2, reversed.Value.Y);
}
public void TestApplyModify()
{
var p = ReadWkt <Point>("POINT(10.53 60.10)");
var diff = new PointDiff()
{
Index = 0, Operation = Operation.Modify, Value = new CoordinateDelta()
{
X = -0.01
}
};
var n = diff.Apply(p);
var p2 = ReadWkt <Point>("POINT(10.52 60.10)");
Assert.AreEqual(p2, n);
}
private static void Write(PointDiff diff, BinaryWriter writer, bool hasZ) => WriteCoordinate(diff.Value, writer, hasZ);