/// <summary>
///
/// </summary>
/// <param name="gfx"></param>
/// <param name="line"></param>
/// <param name="dx"></param>
/// <param name="dy"></param>
/// <param name="db"></param>
/// <param name="r"></param>
public void Draw(object gfx, XLine line, double dx, double dy, ImmutableArray <ShapeProperty> db, Record r)
{
var _gfx = gfx as Graphics;
Brush fillLine = ToSolidBrush(line.Style.Fill);
Pen strokeLine = ToPen(line.Style, _scaleToPage);
Brush fillStartArrow = ToSolidBrush(line.Style.StartArrowStyle.Fill);
Pen strokeStartArrow = ToPen(line.Style.StartArrowStyle, _scaleToPage);
Brush fillEndArrow = ToSolidBrush(line.Style.EndArrowStyle.Fill);
Pen strokeEndArrow = ToPen(line.Style.EndArrowStyle, _scaleToPage);
double _x1 = line.Start.X + dx;
double _y1 = line.Start.Y + dy;
double _x2 = line.End.X + dx;
double _y2 = line.End.Y + dy;
XLine.SetMaxLength(line, ref _x1, ref _y1, ref _x2, ref _y2);
float x1 = _scaleToPage(_x1);
float y1 = _scaleToPage(_y1);
float x2 = _scaleToPage(_x2);
float y2 = _scaleToPage(_y2);
var sas = line.Style.StartArrowStyle;
var eas = line.Style.EndArrowStyle;
float a1 = (float)(Math.Atan2(y1 - y2, x1 - x2) * 180.0 / Math.PI);
float a2 = (float)(Math.Atan2(y2 - y1, x2 - x1) * 180.0 / Math.PI);
var t1 = new Matrix();
var c1 = new PointF(x1, y1);
t1.RotateAt(a1, c1);
var t2 = new Matrix();
var c2 = new PointF(x2, y2);
t2.RotateAt(a2, c2);
PointF pt1;
PointF pt2;
double radiusX1 = sas.RadiusX;
double radiusY1 = sas.RadiusY;
double sizeX1 = 2.0 * radiusX1;
double sizeY1 = 2.0 * radiusY1;
switch (sas.ArrowType)
{
default:
case ArrowType.None:
{
pt1 = new PointF(x1, y1);
}
break;
case ArrowType.Rectangle:
{
var pts = new PointF[] { new PointF(x1 - (float)sizeX1, y1) };
t1.TransformPoints(pts);
pt1 = pts[0];
var rect = new Rect2(x1 - sizeX1, y1 - radiusY1, sizeX1, sizeY1);
var gs = _gfx.Save();
_gfx.MultiplyTransform(t1);
DrawRectangleInternal(_gfx, fillStartArrow, strokeStartArrow, sas.IsStroked, sas.IsFilled, ref rect);
_gfx.Restore(gs);
}
break;
case ArrowType.Ellipse:
{
var pts = new PointF[] { new PointF(x1 - (float)sizeX1, y1) };
t1.TransformPoints(pts);
pt1 = pts[0];
var gs = _gfx.Save();
_gfx.MultiplyTransform(t1);
var rect = new Rect2(x1 - sizeX1, y1 - radiusY1, sizeX1, sizeY1);
DrawEllipseInternal(_gfx, fillStartArrow, strokeStartArrow, sas.IsStroked, sas.IsFilled, ref rect);
_gfx.Restore(gs);
}
break;
case ArrowType.Arrow:
{
var pts = new PointF[]
{
new PointF(x1, y1),
new PointF(x1 - (float)sizeX1, y1 + (float)sizeY1),
new PointF(x1, y1),
new PointF(x1 - (float)sizeX1, y1 - (float)sizeY1),
new PointF(x1, y1)
};
t1.TransformPoints(pts);
pt1 = pts[0];
var p11 = pts[1];
var p21 = pts[2];
var p12 = pts[3];
var p22 = pts[4];
DrawLineInternal(_gfx, strokeStartArrow, sas.IsStroked, ref p11, ref p21);
DrawLineInternal(_gfx, strokeStartArrow, sas.IsStroked, ref p12, ref p22);
}
break;
}
double radiusX2 = eas.RadiusX;
double radiusY2 = eas.RadiusY;
double sizeX2 = 2.0 * radiusX2;
double sizeY2 = 2.0 * radiusY2;
switch (eas.ArrowType)
{
default:
case ArrowType.None:
{
pt2 = new PointF(x2, y2);
}
break;
case ArrowType.Rectangle:
{
var pts = new PointF[] { new PointF(x2 - (float)sizeX2, y2) };
t2.TransformPoints(pts);
pt2 = pts[0];
var rect = new Rect2(x2 - sizeX2, y2 - radiusY2, sizeX2, sizeY2);
var gs = _gfx.Save();
_gfx.MultiplyTransform(t2);
DrawRectangleInternal(_gfx, fillEndArrow, strokeEndArrow, eas.IsStroked, eas.IsFilled, ref rect);
_gfx.Restore(gs);
}
break;
case ArrowType.Ellipse:
{
var pts = new PointF[] { new PointF(x2 - (float)sizeX2, y2) };
t2.TransformPoints(pts);
pt2 = pts[0];
var gs = _gfx.Save();
_gfx.MultiplyTransform(t2);
var rect = new Rect2(x2 - sizeX2, y2 - radiusY2, sizeX2, sizeY2);
DrawEllipseInternal(_gfx, fillEndArrow, strokeEndArrow, eas.IsStroked, eas.IsFilled, ref rect);
_gfx.Restore(gs);
}
break;
case ArrowType.Arrow:
{
var pts = new PointF[]
{
new PointF(x2, y2),
new PointF(x2 - (float)sizeX2, y2 + (float)sizeY2),
new PointF(x2, y2),
new PointF(x2 - (float)sizeX2, y2 - (float)sizeY2),
new PointF(x2, y2)
};
t2.TransformPoints(pts);
pt2 = pts[0];
var p11 = pts[1];
var p21 = pts[2];
var p12 = pts[3];
var p22 = pts[4];
DrawLineInternal(_gfx, strokeEndArrow, eas.IsStroked, ref p11, ref p21);
DrawLineInternal(_gfx, strokeEndArrow, eas.IsStroked, ref p12, ref p22);
}
break;
}
_gfx.DrawLine(strokeLine, pt1, pt2);
fillLine.Dispose();
strokeLine.Dispose();
fillStartArrow.Dispose();
strokeStartArrow.Dispose();
fillEndArrow.Dispose();
strokeEndArrow.Dispose();
}
