/// <summary>
/// Draws the polygon within the specified clipping rectangle.
/// </summary>
/// <param name="rc">The render context.</param>
/// <param name="clippingRectangle">The clipping rectangle.</param>
/// <param name="points">The points.</param>
/// <param name="minDistSquared">The squared minimum distance between points.</param>
/// <param name="fill">The fill color.</param>
/// <param name="stroke">The stroke color.</param>
/// <param name="strokeThickness">The stroke thickness.</param>
/// <param name="lineStyle">The line style.</param>
/// <param name="lineJoin">The line join.</param>
/// <param name="aliased">The aliased.</param>
public static void DrawClippedPolygon(
this IRenderContext rc,
OxyRect clippingRectangle,
IList <ScreenPoint> points,
double minDistSquared,
OxyColor fill,
OxyColor stroke,
double strokeThickness = 1.0,
LineStyle lineStyle = LineStyle.Solid,
LineJoin lineJoin = LineJoin.Miter,
bool aliased = false)
{
if (lineStyle == LineStyle.None)
{
return;
}
var outputBuffer = new List <ScreenPoint>();
ReducePoints(points, minDistSquared, outputBuffer);
if (rc.SetClip(clippingRectangle))
{
rc.DrawPolygon(outputBuffer, fill, stroke, strokeThickness, lineStyle.GetDashArray(), lineJoin, aliased);
rc.ResetClip();
return;
}
var clippedPoints = SutherlandHodgmanClipping.ClipPolygon(clippingRectangle, outputBuffer);
rc.DrawPolygon(clippedPoints, fill, stroke, strokeThickness, lineStyle.GetDashArray(), lineJoin, aliased);
}
/// <summary>
/// Draws the polygon within the specified clipping rectangle.
/// </summary>
/// <param name="rc">The render context.</param>
/// <param name="clippingRectangle">The clipping rectangle.</param>
/// <param name="points">The points.</param>
/// <param name="minDistSquared">The squared minimum distance between points.</param>
/// <param name="fill">The fill color.</param>
/// <param name="stroke">The stroke color.</param>
/// <param name="strokeThickness">The stroke thickness.</param>
/// <param name="lineStyle">The line style.</param>
/// <param name="lineJoin">The line join.</param>
/// <param name="aliased">The aliased.</param>
public static void DrawClippedPolygon(
this IRenderContext rc,
OxyRect clippingRectangle,
IList <ScreenPoint> points,
double minDistSquared,
OxyColor fill,
OxyColor stroke,
double strokeThickness = 1.0,
LineStyle lineStyle = LineStyle.Solid,
LineJoin lineJoin = LineJoin.Miter,
bool aliased = false)
{
if (lineStyle == LineStyle.None)
{
return;
}
// TODO: minDistSquared should be implemented or removed
if (rc.SetClip(clippingRectangle))
{
rc.DrawPolygon(points, fill, stroke, strokeThickness, lineStyle.GetDashArray(), lineJoin, aliased);
rc.ResetClip();
return;
}
var clippedPoints = SutherlandHodgmanClipping.ClipPolygon(clippingRectangle, points);
rc.DrawPolygon(clippedPoints, fill, stroke, strokeThickness, lineStyle.GetDashArray(), lineJoin, aliased);
}
/// <summary>
/// The draw clipped polygon.
/// </summary>
/// <param name="rc">
/// The render context.
/// </param>
/// <param name="points">
/// The points.
/// </param>
/// <param name="clippingRectangle">
/// The clipping rectangle.
/// </param>
/// <param name="minDistSquared">
/// The min dist squared.
/// </param>
/// <param name="fill">
/// The fill.
/// </param>
/// <param name="stroke">
/// The stroke.
/// </param>
/// <param name="strokeThickness">
/// The stroke thickness.
/// </param>
/// <param name="lineStyle">
/// The line style.
/// </param>
/// <param name="lineJoin">
/// The line join.
/// </param>
/// <param name="aliased">
/// The aliased.
/// </param>
public static void DrawClippedPolygon(
this IRenderContext rc,
IList <ScreenPoint> points,
OxyRect clippingRectangle,
double minDistSquared,
OxyColor fill,
OxyColor stroke,
double strokeThickness = 1.0,
LineStyle lineStyle = LineStyle.Solid,
OxyPenLineJoin lineJoin = OxyPenLineJoin.Miter,
bool aliased = false)
{
var clippedPoints = SutherlandHodgmanClipping.ClipPolygon(clippingRectangle, points);
rc.DrawPolygon(
clippedPoints, fill, stroke, strokeThickness, LineStyleHelper.GetDashArray(lineStyle), lineJoin, aliased);
}
