本文整理汇总了C#中Point.First方法的典型用法代码示例。如果您正苦于以下问题：C# Point.First方法的具体用法？C# Point.First怎么用？C# Point.First使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Point的用法示例。
在下文中一共展示了Point.First方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: Optimize
public Directions Optimize(Point[] points)
{
DBC.Assert(points.Length > 1, "Unable to optimize a route with less than 2 points.");
Log(points);
if (IsSingleRouteDirections(points)) return BuildSingleRouteDirections(points);
var graph = new DirectedGraph(points);
var graphNavigator = new GraphNavigator(graph, points.First(), points.Last(), roadPathService);
IList<Directions> cycles = graphNavigator.GetCycles();
stitchingService = new StitchingService(cycles, graph);
var stitched = stitchingService.Stitch();
stitched.Order(points.First(), points.Last());
return stitched;
}示例2: _addSeriesAsPolyline
private IEnumerable<Shape> _addSeriesAsPolyline(Point[] points, Brush color, double storkeThickness,
bool animate = true)
{
if (points.Length < 2) return Enumerable.Empty<Shape>();
var addedFigures = new List<Shape>();
var l = 0d;
for (var i = 1; i < points.Length; i++)
{
var p1 = points[i - 1];
var p2 = points[i];
l += Math.Sqrt(
Math.Pow(Math.Abs(p1.X - p2.X), 2) +
Math.Pow(Math.Abs(p1.Y - p2.Y), 2)
);
}
var f = points.First();
var p = points.Where(x => x != f);
var g = new PathGeometry
{
Figures = new PathFigureCollection(new List<PathFigure>
{
new PathFigure
{
StartPoint = f,
Segments = new PathSegmentCollection(
p.Select(x => new LineSegment {Point = new Point(x.X, x.Y)}))
}
})
};
var path = new Path
{
Stroke = color,
StrokeThickness = storkeThickness,
Data = g,
StrokeEndLineCap = PenLineCap.Round,
StrokeStartLineCap = PenLineCap.Round,
StrokeDashOffset = l,
StrokeDashArray = new DoubleCollection { l, l },
ClipToBounds = true
};
var sp = points.ToList();
sp.Add(new Point(points.Max(x => x.X), ToPlotArea(Chart.Min.Y, AxisTags.Y)));
Chart.Canvas.Children.Add(path);
addedFigures.Add(path);
var draw = new DoubleAnimationUsingKeyFrames
{
BeginTime = TimeSpan.FromSeconds(0),
KeyFrames = new DoubleKeyFrameCollection
{
new SplineDoubleKeyFrame
{
KeyTime = TimeSpan.FromMilliseconds(1),
Value = l
},
new SplineDoubleKeyFrame
{
KeyTime = TimeSpan.FromMilliseconds(750),
Value = 0
}
}
};
Storyboard.SetTarget(draw, path);
Storyboard.SetTargetProperty(draw, new PropertyPath(Shape.StrokeDashOffsetProperty));
var sbDraw = new Storyboard();
sbDraw.Children.Add(draw);
var animated = false;
if (!Chart.DisableAnimation)
{
if (animate)
{
sbDraw.Begin();
animated = true;
}
}
if (!animated) path.StrokeDashOffset = 0;
return addedFigures;
}示例3: DrawLines
private void DrawLines(DrawingContext drawingContext, Pen pen, Point[] points)
{
var pathGeometry = new PathGeometry();
var figure = new PathFigure(points.First(), points.Skip(1).Select(p => new LineSegment(p, true)), true);
pathGeometry.Figures = new PathFigureCollection { figure };
drawingContext.DrawGeometry(null, pen, pathGeometry);
}