/// <summary>
/// draw line
/// </summary>
/// <param name="x1"></param>
/// <param name="y1"></param>
/// <param name="x2"></param>
/// <param name="y2"></param>
/// <param name="color"></param>
public override void DrawLine(double x1, double y1, double x2, double y2)
{
//BitmapExt
if (this.RenderQuality == RenderQualtity.Fast)
{
this._bxt.DrawLine(
(int)Math.Round(x1),
(int)Math.Round(y1),
(int)Math.Round(x2),
(int)Math.Round(y2),
this.strokeColor.ToARGB()
);
return;
}
//----------------------------------------------------------
//Agg
if (_orientation == DrawBoardOrientation.LeftBottom)
{
//as original
_lineGen.Clear();
_lineGen.MoveTo(x1, y1);
_lineGen.LineTo(x2, y2);
var v1 = GetFreeVxs();
_aggsx.Render(stroke.MakeVxs(_lineGen.Vxs, v1), this.strokeColor);
ReleaseVxs(ref v1);
}
else
{
//left-top
int h = this.Height;
_lineGen.Clear();
_lineGen.MoveTo(x1, h - y1);
_lineGen.LineTo(x2, h - y2);
var v1 = GetFreeVxs();
_aggsx.Render(stroke.MakeVxs(_lineGen.Vxs, v1), this.strokeColor);
ReleaseVxs(ref v1);
}
}
public static void Hermite(this PathWriter pw, double[] xyCoords)
{
Curve4Points curve4_points = pw._c4_points;
pw.MoveTo(xyCoords[0], xyCoords[1]);
for (int i = 0; i < xyCoords.Length - (4 * 2);)
{
Curves.HermiteToBezier(
xyCoords[i], xyCoords[i + 1],
xyCoords[i + 2], xyCoords[i + 3],
xyCoords[i + 4], xyCoords[i + 5],
xyCoords[i + 6], xyCoords[i + 7],
curve4_points
);
pw.Curve4(curve4_points.x1, curve4_points.y1,
curve4_points.x2, curve4_points.y2,
curve4_points.x3, curve4_points.y3
);
i += 2;
}
}
public static void CatmulRom(this PathWriter pw, double[] xyCoords)
{
Curve4Points curve4_points = pw._c4_points;
pw.MoveTo(xyCoords[2], xyCoords[3]);//***
for (int i = 0; i < xyCoords.Length - (4 * 2);)
{
Curves.CatromToBezier(
xyCoords[i], xyCoords[i + 1],
xyCoords[i + 2], xyCoords[i + 3],
xyCoords[i + 4], xyCoords[i + 5],
xyCoords[i + 6], xyCoords[i + 7],
pw._c4_points
);
pw.Curve4(curve4_points.x1, curve4_points.y1,
curve4_points.x2, curve4_points.y2,
curve4_points.x3, curve4_points.y3
);
i += 2;
}
}