|
public AddLines ( |
||
| m | ||
| points | ||
| Результат | void | |
public static CGPath ToCGPath(BasicPath path)
{
// TODO: We assume for now that only path lines can exist.
var linePoints = new List<PointF>();
foreach (var item in path.Items)
{
if (item is BasicPathLine)
{
var line = item as BasicPathLine;
linePoints.Add(ToPoint(line.PointA));
linePoints.Add(ToPoint(line.PointB));
}
}
var cgPath = new CGPath();
cgPath.AddLines(linePoints.ToArray());
return cgPath;
}
public static void DrawLine(CGContext context, PointF[] points, float lineWidth, CGColor color)
{
context.SaveState();
var path = new CGPath();
path.AddLines(points);
context.AddPath(path);
context.SetLineWidth(lineWidth);
context.SetStrokeColor(color);
context.StrokePath();
context.RestoreState();
}
/// <summary>
/// Draws a polygon. The polygon can have stroke and/or fill.
/// </summary>
/// <param name="points">The points.</param>
/// <param name="fill">The fill color.</param>
/// <param name="stroke">The stroke color.</param>
/// <param name="thickness">The stroke thickness.</param>
/// <param name="dashArray">The dash array.</param>
/// <param name="lineJoin">The line join type.</param>
/// <param name="aliased">If set to <c>true</c> the shape will be aliased.</param>
public override void DrawPolygon(IList<ScreenPoint> points, OxyColor fill, OxyColor stroke, double thickness, double[] dashArray, LineJoin lineJoin, bool aliased)
{
this.SetAlias (aliased);
var convertedPoints = (aliased ? points.Select (p => p.ConvertAliased ()) : points.Select (p => p.Convert ())).ToArray ();
if (fill.IsVisible ()) {
this.SetFill (fill);
using (var path = new CGPath ()) {
path.AddLines (convertedPoints);
path.CloseSubpath ();
this.gctx.AddPath (path);
}
this.gctx.DrawPath (CGPathDrawingMode.Fill);
}
if (stroke.IsVisible () && thickness > 0) {
this.SetStroke (stroke, thickness, dashArray, lineJoin);
using (var path = new CGPath ()) {
path.AddLines (convertedPoints);
path.CloseSubpath ();
this.gctx.AddPath (path);
}
this.gctx.DrawPath (CGPathDrawingMode.Stroke);
}
}