private void refreshOfffsetLines()
{
var itemPoints = scaledOnlyDefinitionTransformation(_shapeDefinition);
itemPoints = OffsetCalculator.Join(itemPoints);
var offsetClusters = new List <Point2Dmm[]>();
var remainingClusters = new HashSet <Point2Dmm[]>(itemPoints);
for (var i = 0; i < 10; ++i)
{
if (remainingClusters.Count == 0)
{
break;
}
foreach (var cluster in remainingClusters.ToArray())
{
var offsetCalculator = new OffsetCalculator(cluster);
var offsetPoints = offsetCalculator.WithOffset(1.0 + 1 * i);
if (offsetPoints.Any())
{
offsetClusters.AddRange(offsetPoints);
}
else
{
remainingClusters.Remove(cluster);
}
}
}
_currentOffsetLines = offsetClusters.OrderByDescending(c => c.Select(p => p.C2).Min()).ToArray();
}
protected override void OnRender(DrawingContext dc)
{
base.OnRender(dc);
if (_drawEvents == null)
{
var loader = new ShapeFactory3D();
//var points = loader.Load("./test_offset3.png", out _).First().Reverse();
var points = OffsetCalculator.Join(loader.Load("./test_islands.png", out _).Reverse()).First().ToArray();
/*/
* points = new Point2Dmm[]
* {
* new Point2Dmm(0,0),
* new Point2Dmm(100, 0),
* new Point2Dmm(100, 100),
* new Point2Dmm(60, 100),
* new Point2Dmm(80, 110),
* new Point2Dmm(30, 110),
* new Point2Dmm(20, 100),
* new Point2Dmm(0, 100),
*
* new Point2Dmm(0,0),
* };/**/
/*/
* points = new Point2Dmm[]
* {
* new Point2Dmm(70,60),
* new Point2Dmm(40,20),
* new Point2Dmm(120,20),
* new Point2Dmm(100,60),
* new Point2Dmm(105,25),
* new Point2Dmm(60,25),
* new Point2Dmm(140,140),
* new Point2Dmm(70,140),
*
* new Point2Dmm(70,60),
* };/**/
var offset = new OffsetCalculator(points, true);
offset.WithOffset(40);
_drawEvents = offset.GetUpdateSnapshots().ToArray();
_slider.Maximum = _drawEvents.Length - 1;
_slider.Value = _slider.Maximum;
}
var snapshotToDisplay = _drawEvents[(int)_slider.Value];
foreach (var evt in snapshotToDisplay)
{
evt.Draw(dc);
}
}