private List <Point> GetVertices(Path path, RenderMode renderMode, ref Rectangle2d rect)
{
// do not split path for overview mode
var points = _objectPool.NewList <Point>(path.Count);
bool isOverview = renderMode == RenderMode.Overview;
// split path for scene mode
var lastItemIndex = path.Count - 1;
for (int i = 0; i <= lastItemIndex; i++)
{
var start = path[i];
var end = path[i == lastItemIndex ? 0 : i + 1];
var p1 = new Point(Math.Round(start.X / Scale, MathUtils.RoundDigitCount),
Math.Round(start.Y / Scale, MathUtils.RoundDigitCount));
var p2 = new Point(Math.Round(end.X / Scale, MathUtils.RoundDigitCount),
Math.Round(end.Y / Scale, MathUtils.RoundDigitCount));
if (isOverview &&
(!rect.IsOnBorder(new Vector2d(p1.X, p1.Y)) ||
!rect.IsOnBorder(new Vector2d(p2.X, p2.Y))))
{
points.Add(p1);
continue;
}
_lineGridSplitter.Split(p1, p2, _objectPool, points);
}
return(points);
}
public void CanSplit45Angle()
{
// ARRANGE
var start = new Point(0, 0);
var end = new Point(-10, 10);
var splitter = new LineGridSplitter();
var result = new List <Point>();
// ACT
splitter.Split(start, end, TestHelper.GetObjectPool(), result);
// ASSERT
for (int i = 0; i <= 10; i++)
{
Assert.AreEqual(new Point(-i, i), result[i]);
}
}