public override void Setup(GraphicsDevice device)
{
_gradWidthInner = new GradientPen(Color.Lime, Color.Cyan, 15)
{
Alignment = PenAlignment.Inset, StartCap = LineCap.Square, EndCap = LineCap.Square
};
_gradWidthCenter = new GradientPen(Color.Lime, Color.Cyan, 15)
{
StartCap = LineCap.Square, EndCap = LineCap.Square
};
_gradWidthOuter = new GradientPen(Color.Lime, Color.Cyan, 15)
{
Alignment = PenAlignment.Outset, StartCap = LineCap.Square, EndCap = LineCap.Square
};
Pen[] pens = new Pen[] { _gradWidthInner, _gradWidthCenter, _gradWidthOuter };
for (int i = 0; i < _gPaths.Length; i++)
{
PathBuilder builder = new PathBuilder();
foreach (Vector2 v in _baseCoords)
{
builder.AddPoint(v + Offset(i));
}
_gPaths[i] = builder.Stroke(pens[i]);
}
}
public GradientPensAlignment()
{
_gradWidthInner = new GradientPen(Microsoft.Xna.Framework.Color.Lime, Microsoft.Xna.Framework.Color.Cyan, 15)
{
Alignment = PenAlignment.Inset, StartCap = LineCap.Square, EndCap = LineCap.Square
};
_gradWidthCenter = new GradientPen(Microsoft.Xna.Framework.Color.Lime, Microsoft.Xna.Framework.Color.Cyan, 15)
{
StartCap = LineCap.Square, EndCap = LineCap.Square
};
_gradWidthOuter = new GradientPen(Microsoft.Xna.Framework.Color.Lime, Microsoft.Xna.Framework.Color.Cyan, 15)
{
Alignment = PenAlignment.Outset, StartCap = LineCap.Square, EndCap = LineCap.Square
};
Pen[] pens = new Pen[] { _gradWidthInner, _gradWidthCenter, _gradWidthOuter };
for (int i = 0; i < _gPaths.Length; i++)
{
PathBuilder builder = new PathBuilder();
foreach (CCVector2 v in _baseCoords)
{
builder.AddPoint(v + Offset(i));
}
_gPaths[i] = builder.Stroke(pens[i]);
}
}
/// <summary>
/// takes in a parsed path and returns a list of points that can be used to draw the path
/// </summary>
/// <returns>The drawing points.</returns>
/// <param name="segments">Segments.</param>
public Vector2[] getDrawingPoints(List <SvgPathSegment> segments, float flatness = 3)
{
var path = new PathBuilder();
for (var j = 0; j < segments.Count; j++)
{
var segment = segments[j];
if (segment is SvgMoveToSegment)
{
path.AddPoint(segment.start);
}
else if (segment is SvgCubicCurveSegment)
{
var cubicSegment = segment as SvgCubicCurveSegment;
path.AddBezier(segment.start, cubicSegment.firstCtrlPoint, cubicSegment.secondCtrlPoint, segment.end);
}
else if (segment is SvgClosePathSegment)
{
if (path.Count > 0 && !path.Buffer[0].Equals(path.Buffer[path.Count - 1]))
{
path.ClosePath();
}
}
else if (segment is SvgLineSegment)
{
path.AddPoint(segment.start);
path.AddPoint(segment.end);
}
else if (segment is SvgQuadraticCurveSegment)
{
var quadSegment = segment as SvgQuadraticCurveSegment;
var segmentArray = new Vector2[] { segment.end, quadSegment.secondCtrlPoint, quadSegment.firstCtrlPoint, segment.end };
path.AddBeziers(segmentArray, BezierType.Quadratic);
}
else
{
Debug.warn("unknown type in getDrawingPoints");
}
}
return(path.Buffer);
}
private static PathBuilder BuildLillyPad(CCVector2 center, int radius, float rotation)
{
float segment = (float)(Math.PI * 2 / 32);
PathBuilder builder = new PathBuilder();
builder.AddPoint(center);
builder.AddLine(radius, segment * 25 + rotation);
builder.AddArcByAngle(center, segment * 30, radius / 2);
return(builder);
}
private static PathBuilder BuildFlower(CCVector2 center, int petalCount, float petalLength, float petalWidth, float rotation)
{
List <CCVector2> points = StarPoints(center, petalCount / 2, petalLength, petalLength, rotation, false);
PathBuilder builder = new PathBuilder();
builder.AddPoint(center);
foreach (var point in points)
{
builder.AddArcByPoint(point, petalWidth / 2);
builder.AddArcByPoint(center, petalWidth / 2);
}
return(builder);
}
private GraphicsPath CreateFlowerGP(Pen pen, CCVector2 center, int petalCount, float petalLength, float petalWidth, float rotation)
{
List <CCVector2> points = StarPoints(center, petalCount / 2, petalLength, petalLength, rotation, false);
PathBuilder builder = new PathBuilder();
builder.AddPoint(center);
foreach (CCVector2 point in points)
{
builder.AddArcByPoint(point, petalWidth / 2);
builder.AddArcByPoint(center, petalWidth / 2);
}
return(builder.Stroke(pen, PathType.Closed));
}