private void DrawLineArrowsInternal(SKCanvas canvas, LineShape line, double dx, double dy, out SKPoint pt1, out SKPoint pt2)
{
using (SKPaint fillStartArrow = ToSKPaintBrush(line.Style.StartArrowStyle.Fill))
using (SKPaint strokeStartArrow = ToSKPaintPen(line.Style.StartArrowStyle, _scaleToPage, _sourceDpi, _targetDpi))
using (SKPaint fillEndArrow = ToSKPaintBrush(line.Style.EndArrowStyle.Fill))
using (SKPaint strokeEndArrow = ToSKPaintPen(line.Style.EndArrowStyle, _scaleToPage, _sourceDpi, _targetDpi))
{
double _x1 = line.Start.X + dx;
double _y1 = line.Start.Y + dy;
double _x2 = line.End.X + dx;
double _y2 = line.End.Y + dy;
line.GetMaxLength(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;
double a1 = Math.Atan2(y1 - y2, x1 - x2);
double a2 = Math.Atan2(y2 - y1, x2 - x1);
// Draw start arrow.
pt1 = DrawLineArrowInternal(canvas, strokeStartArrow, fillStartArrow, x1, y1, a1, sas);
// Draw end arrow.
pt2 = DrawLineArrowInternal(canvas, strokeEndArrow, fillEndArrow, x2, y2, a2, eas);
}
}
private void DrawLineArrowsInternal(AM.DrawingContext dc, LineShape line, double dx, double dy, out A.Point pt1, out A.Point pt2)
{
AM.IBrush fillStartArrow = ToBrush(line.Style.StartArrowStyle.Fill);
AM.Pen strokeStartArrow = ToPen(line.Style.StartArrowStyle, _scaleToPage);
AM.IBrush fillEndArrow = ToBrush(line.Style.EndArrowStyle.Fill);
AM.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;
line.GetMaxLength(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;
double a1 = Math.Atan2(y1 - y2, x1 - x2);
double a2 = Math.Atan2(y2 - y1, x2 - x1);
// Draw start arrow.
pt1 = DrawLineArrowInternal(dc, strokeStartArrow, fillStartArrow, x1, y1, a1, sas);
// Draw end arrow.
pt2 = DrawLineArrowInternal(dc, strokeEndArrow, fillEndArrow, x2, y2, a2, eas);
}
private void DrawLineArrowsInternal(DrawingContext dc, LineShape line, ShapeStyle style, double halfStart, double halfEnd, double thicknessStart, double thicknessEnd, double dx, double dy, out Point pt1, out Point pt2)
{
// Start arrow style.
Tuple <Brush, Pen> startArrowCache = _arrowStyleCache.Get(style.StartArrowStyle);
Brush fillStartArrow;
Pen strokeStartArrow;
if (startArrowCache != null)
{
fillStartArrow = startArrowCache.Item1;
strokeStartArrow = startArrowCache.Item2;
}
else
{
fillStartArrow = CreateBrush(style.StartArrowStyle.Fill);
strokeStartArrow = CreatePen(style.StartArrowStyle, thicknessStart);
_arrowStyleCache.Set(style.StartArrowStyle, Tuple.Create(fillStartArrow, strokeStartArrow));
}
// End arrow style.
Tuple <Brush, Pen> endArrowCache = _arrowStyleCache.Get(style.EndArrowStyle);
Brush fillEndArrow;
Pen strokeEndArrow;
if (endArrowCache != null)
{
fillEndArrow = endArrowCache.Item1;
strokeEndArrow = endArrowCache.Item2;
}
else
{
fillEndArrow = CreateBrush(style.EndArrowStyle.Fill);
strokeEndArrow = CreatePen(style.EndArrowStyle, thicknessEnd);
_arrowStyleCache.Set(style.EndArrowStyle, Tuple.Create(fillEndArrow, strokeEndArrow));
}
// Line max length.
double x1 = line.Start.X + dx;
double y1 = line.Start.Y + dy;
double x2 = line.End.X + dx;
double y2 = line.End.Y + dy;
line.GetMaxLength(ref x1, ref y1, ref x2, ref y2);
// Arrow transforms.
var sas = style.StartArrowStyle;
var eas = style.EndArrowStyle;
double a1 = Math.Atan2(y1 - y2, x1 - x2) * 180.0 / Math.PI;
double a2 = Math.Atan2(y2 - y1, x2 - x1) * 180.0 / Math.PI;
// Draw start arrow.
pt1 = DrawLineArrowInternal(dc, halfStart, strokeStartArrow, fillStartArrow, x1, y1, a1, sas);
// Draw end arrow.
pt2 = DrawLineArrowInternal(dc, halfEnd, strokeEndArrow, fillEndArrow, x2, y2, a2, eas);
}
private void DrawLineArrowsInternal(LineShape line, double dx, double dy, Graphics gfx, out PointF pt1, out PointF pt2)
{
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;
line.GetMaxLength(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);
// Draw start arrow.
pt1 = DrawLineArrowInternal(gfx, strokeStartArrow, fillStartArrow, x1, y1, a1, sas);
// Draw end arrow.
pt2 = DrawLineArrowInternal(gfx, strokeEndArrow, fillEndArrow, x2, y2, a2, eas);
fillStartArrow.Dispose();
strokeStartArrow.Dispose();
fillEndArrow.Dispose();
strokeEndArrow.Dispose();
}