/// <inheritdoc/>
public override void Draw(object dc, XArc arc, double dx, double dy, ImmutableArray<XProperty> db, XRecord r)
{
var _dc = dc as DrawingContext;
var style = arc.Style;
if (style == null)
return;
double thickness = style.Thickness / _state.ZoomX;
double half = thickness / 2.0;
Tuple<Brush, Pen> styleCached = _styleCache.Get(style);
Brush fill;
Pen stroke;
if (styleCached != null)
{
fill = styleCached.Item1;
stroke = styleCached.Item2;
}
else
{
fill = CreateBrush(style.Fill);
stroke = CreatePen(style, thickness);
_styleCache.Set(style, Tuple.Create(fill, stroke));
}
var a = WpfArc.FromXArc(arc);
PathGeometry pg = _arcCache.Get(arc);
if (pg != null)
{
var pf = pg.Figures[0];
pf.StartPoint = new Point(a.Start.X + dx, a.Start.Y + dy);
pf.IsFilled = arc.IsFilled;
var segment = pf.Segments[0] as ArcSegment;
segment.Point = new Point(a.End.X + dx, a.End.Y + dy);
segment.Size = new Size(a.Radius.Width, a.Radius.Height);
segment.IsLargeArc = a.IsLargeArc;
segment.IsStroked = arc.IsStroked;
}
else
{
var pf = new PathFigure()
{
StartPoint = new Point(a.Start.X, a.Start.Y),
IsFilled = arc.IsFilled
};
var segment = new ArcSegment(
new Point(a.End.X, a.End.Y),
new Size(a.Radius.Width, a.Radius.Height),
0.0,
a.IsLargeArc, SweepDirection.Clockwise,
arc.IsStroked);
//segment.Freeze();
pf.Segments.Add(segment);
//pf.Freeze();
pg = new PathGeometry();
pg.Figures.Add(pf);
//pg.Freeze();
_arcCache.Set(arc, pg);
}
DrawPathGeometryInternal(_dc, half, fill, stroke, arc.IsStroked, arc.IsFilled, pg);
}
/// <inheritdoc/>
public override void LeftDown(double x, double y)
{
base.LeftDown(x, y);
var editor = _serviceProvider.GetService<ProjectEditor>();
double sx = editor.Project.Options.SnapToGrid ? ProjectEditor.Snap(x, editor.Project.Options.SnapX) : x;
double sy = editor.Project.Options.SnapToGrid ? ProjectEditor.Snap(y, editor.Project.Options.SnapY) : y;
switch (_currentState)
{
case ToolState.None:
{
var style = editor.Project.CurrentStyleLibrary.Selected;
_connectedPoint3 = false;
_connectedPoint4 = false;
_arc = XArc.Create(
sx, sy,
editor.Project.Options.CloneStyle ? style.Clone() : style,
editor.Project.Options.PointShape,
editor.Project.Options.DefaultIsStroked,
editor.Project.Options.DefaultIsFilled);
var result = editor.TryToGetConnectionPoint(sx, sy);
if (result != null)
{
_arc.Point1 = result;
}
editor.Project.CurrentContainer.WorkingLayer.Invalidate();
ToStateOne();
Move(_arc);
_currentState = ToolState.One;
editor.CancelAvailable = true;
}
break;
case ToolState.One:
{
if (_arc != null)
{
_arc.Point2.X = sx;
_arc.Point2.Y = sy;
_arc.Point3.X = sx;
_arc.Point3.Y = sy;
var result = editor.TryToGetConnectionPoint(sx, sy);
if (result != null)
{
_arc.Point2 = result;
}
editor.Project.CurrentContainer.WorkingLayer.Invalidate();
ToStateTwo();
Move(_arc);
_currentState = ToolState.Two;
}
}
break;
case ToolState.Two:
{
if (_arc != null)
{
_arc.Point3.X = sx;
_arc.Point3.Y = sy;
_arc.Point4.X = sx;
_arc.Point4.Y = sy;
var result = editor.TryToGetConnectionPoint(sx, sy);
if (result != null)
{
_arc.Point3 = result;
_connectedPoint3 = true;
}
else
{
_connectedPoint3 = false;
}
editor.Project.CurrentContainer.WorkingLayer.Shapes = editor.Project.CurrentContainer.WorkingLayer.Shapes.Add(_arc);
editor.Project.CurrentContainer.WorkingLayer.Invalidate();
ToStateThree();
Move(_arc);
_currentState = ToolState.Three;
}
}
break;
case ToolState.Three:
{
if (_arc != null)
{
_arc.Point4.X = sx;
_arc.Point4.Y = sy;
var result = editor.TryToGetConnectionPoint(sx, sy);
if (result != null)
{
_arc.Point4 = result;
_connectedPoint4 = true;
}
else
{
_connectedPoint4 = false;
}
editor.Project.CurrentContainer.WorkingLayer.Shapes = editor.Project.CurrentContainer.WorkingLayer.Shapes.Remove(_arc);
Remove();
Finalize(_arc);
editor.Project.AddShape(editor.Project.CurrentContainer.CurrentLayer, _arc);
_currentState = ToolState.None;
editor.CancelAvailable = false;
}
}
break;
}
}
public void Inherits_From_BaseShape()
{
var target = new XArc();
Assert.True(target is BaseShape);
}
/// <inheritdoc/>
public override void Draw(object dc, XArc arc, double dx, double dy, ImmutableArray<XProperty> db, XRecord r)
{
var canvas = dc as SKCanvas;
using (SKPaint brush = ToSKPaintBrush(arc.Style.Fill))
using (SKPaint pen = ToSKPaintPen(arc.Style, _scaleToPage, _sourceDpi, _targetDpi))
using (var path = new SKPath())
{
var a = GdiArc.FromXArc(arc);
var rect = new SKRect(
_scaleToPage(a.X + dx),
_scaleToPage(a.Y + dy),
_scaleToPage(a.X + dx + a.Width),
_scaleToPage(a.Y + dy + a.Height));
path.AddArc(rect, (float)a.StartAngle, (float)a.SweepAngle);
DrawPathInternal(canvas, brush, pen, arc.IsStroked, arc.IsFilled, path);
}
}
/// <summary>
///
/// </summary>
/// <param name="arc"></param>
/// <param name="v"></param>
/// <param name="threshold"></param>
/// <param name="dx"></param>
/// <param name="dy"></param>
/// <returns></returns>
public static BaseShape HitTestArc(XArc arc, Vector2 v, double threshold, double dx, double dy)
{
if (ShapeBounds.GetPointBounds(arc.Point1, threshold, dx, dy).Contains(v))
{
return arc.Point1;
}
if (ShapeBounds.GetPointBounds(arc.Point2, threshold, dx, dy).Contains(v))
{
return arc.Point2;
}
if (ShapeBounds.GetPointBounds(arc.Point3, threshold, dx, dy).Contains(v))
{
return arc.Point3;
}
if (ShapeBounds.GetPointBounds(arc.Point4, threshold, dx, dy).Contains(v))
{
return arc.Point4;
}
if (ShapeBounds.GetArcBounds(arc, dx, dy).Contains(v))
{
return arc;
}
return null;
}
/// <inheritdoc/>
public override void Draw(object dc, XArc arc, double dx, double dy, ImmutableArray<XProperty> db, XRecord r)
{
// TODO: Implement Draw arc.
}
/// <inheritdoc/>
public override void Draw(object dc, XArc arc, double dx, double dy, ImmutableArray<XProperty> db, XRecord r)
{
if (!arc.IsFilled && !arc.IsStroked)
return;
var _dc = dc as AM.DrawingContext;
AM.IBrush brush = ToBrush(arc.Style.Fill);
AM.Pen pen = ToPen(arc.Style, _scaleToPage);
var sg = new AM.StreamGeometry();
using (var sgc = sg.Open())
{
var a = WpfArc.FromXArc(arc);
sgc.BeginFigure(
new A.Point(a.Start.X + dx, a.Start.Y),
arc.IsFilled);
sgc.ArcTo(
new A.Point(a.End.X + dx, a.End.Y + dy),
new A.Size(a.Radius.Width, a.Radius.Height),
0.0,
a.IsLargeArc,
AM.SweepDirection.Clockwise);
sgc.EndFigure(false);
}
_dc.DrawGeometry(
arc.IsFilled ? brush : null,
arc.IsStroked ? pen : null,
sg);
}
/// <summary> /// Draws a <see cref="XArc"/> shape using drawing context. /// </summary> /// <param name="dc">The native drawing context.</param> /// <param name="arc">The <see cref="XArc"/> shape.</param> /// <param name="dx">The X coordinate offset.</param> /// <param name="dy">The Y coordinate offset.</param> /// <param name="db">The properties database.</param> /// <param name="r">The data record.</param> public abstract void Draw(object dc, XArc arc, double dx, double dy, ImmutableArray<XProperty> db, XRecord r);
/// <inheritdoc/>
public override void Draw(object dc, XArc arc, double dx, double dy, ImmutableArray<XProperty> db, XRecord r)
{
var a = GdiArc.FromXArc(arc);
if (a.Width <= 0.0 || a.Height <= 0.0)
return;
var _gfx = dc as Graphics;
Brush brush = ToSolidBrush(arc.Style.Fill);
Pen pen = ToPen(arc.Style, _scaleToPage);
if (arc.IsFilled)
{
var path = new GraphicsPath();
path.AddArc(
_scaleToPage(a.X + dx),
_scaleToPage(a.Y + dy),
_scaleToPage(a.Width),
_scaleToPage(a.Height),
(float)a.StartAngle,
(float)a.SweepAngle);
_gfx.FillPath(brush, path);
}
if (arc.IsStroked)
{
_gfx.DrawArc(
pen,
_scaleToPage(a.X + dx),
_scaleToPage(a.Y + dy),
_scaleToPage(a.Width),
_scaleToPage(a.Height),
(float)a.StartAngle,
(float)a.SweepAngle);
}
brush.Dispose();
pen.Dispose();
}
/// <summary>
/// Get the bounding rectangle for <see cref="XArc"/> shape.
/// </summary>
/// <param name="arc"></param>
/// <param name="dx"></param>
/// <param name="dy"></param>
/// <returns></returns>
public static Rect2 GetArcBounds(XArc arc, double dx, double dy)
{
double x1 = arc.Point1.X + dx;
double y1 = arc.Point1.Y + dy;
double x2 = arc.Point2.X + dx;
double y2 = arc.Point2.Y + dy;
double x0 = (x1 + x2) / 2.0;
double y0 = (y1 + y2) / 2.0;
double r = Sqrt((x1 - x0) * (x1 - x0) + (y1 - y0) * (y1 - y0));
double x = x0 - r;
double y = y0 - r;
double width = 2.0 * r;
double height = 2.0 * r;
return new Rect2(x, y, width, height);
}
/// <summary>
///
/// </summary>
/// <param name="arc"></param>
/// <param name="rect"></param>
/// <param name="selected"></param>
/// <param name="dx"></param>
/// <param name="dy"></param>
/// <returns></returns>
public static bool HitTestArc(XArc arc, Rect2 rect, ISet<BaseShape> selected, double dx, double dy)
{
if (ShapeBounds.GetArcBounds(arc, dx, dy).IntersectsWith(rect))
{
if (selected != null)
{
selected.Add(arc);
return false;
}
else
{
return true;
}
}
return false;
}
