static Win2D.CanvasGeometry ToWin2dCanvasGeometry(Wcd.Mgcg.CanvasGeometry geometry)
{
switch (geometry.Type)
{
case Wcd.Mgcg.CanvasGeometry.GeometryType.Ellipse:
var ellipse = (Wcd.Mgcg.CanvasGeometry.Ellipse)geometry;
return(Win2D.CanvasGeometry.CreateEllipse(
null,
ellipse.X,
ellipse.Y,
ellipse.RadiusX,
ellipse.RadiusY));
case Wcd.Mgcg.CanvasGeometry.GeometryType.Group:
var group = (Wcd.Mgcg.CanvasGeometry.Group)geometry;
var geometries = group.Geometries.Select(g => ToWin2dCanvasGeometry(g)).ToArray();
return(Win2D.CanvasGeometry.CreateGroup(
null,
geometries,
group.FilledRegionDetermination));
case Wcd.Mgcg.CanvasGeometry.GeometryType.Path:
using (var builder = new Win2D.CanvasPathBuilder(null))
{
var path = (Wcd.Mgcg.CanvasGeometry.Path)geometry;
builder.SetFilledRegionDetermination(Win2DFilledRegionDetermination(path.FilledRegionDetermination));
foreach (var command in path.Commands)
{
switch (command.Type)
{
case Wcd.Mgcg.CanvasPathBuilder.CommandType.BeginFigure:
builder.BeginFigure(SnVector2(((Wcd.Mgcg.CanvasPathBuilder.Command.BeginFigure)command).StartPoint));
break;
case Wcd.Mgcg.CanvasPathBuilder.CommandType.EndFigure:
builder.EndFigure(Win2DCanvasFigureLoop(((Wcd.Mgcg.CanvasPathBuilder.Command.EndFigure)command).FigureLoop));
break;
case Wcd.Mgcg.CanvasPathBuilder.CommandType.AddLine:
builder.AddLine(SnVector2(((Wcd.Mgcg.CanvasPathBuilder.Command.AddLine)command).EndPoint));
break;
case Wcd.Mgcg.CanvasPathBuilder.CommandType.AddCubicBezier:
var cb = (Wcd.Mgcg.CanvasPathBuilder.Command.AddCubicBezier)command;
builder.AddCubicBezier(SnVector2(cb.ControlPoint1), SnVector2(cb.ControlPoint2), SnVector2(cb.EndPoint));
break;
default:
throw new InvalidOperationException();
}
}
return(Win2D.CanvasGeometry.CreatePath(builder));
}
case Wcd.Mgcg.CanvasGeometry.GeometryType.RoundedRectangle:
var roundedRectangle = (Wcd.Mgcg.CanvasGeometry.RoundedRectangle)geometry;
return(Win2D.CanvasGeometry.CreateRoundedRectangle(
null,
roundedRectangle.X,
roundedRectangle.Y,
roundedRectangle.W,
roundedRectangle.H,
roundedRectangle.RadiusX,
roundedRectangle.RadiusY));
case Wcd.Mgcg.CanvasGeometry.GeometryType.Combination:
default:
throw new InvalidOperationException();
}
}
internal void DrawPart(CanvasDrawingSession win2d, ViewInfo info)
{
switch (Command)
{
case 'c':
case 'C':
{
if (befor != null)
{
var bp = befor.GetPoint();
bp.X *= info.Scale;
bp.Y *= info.Scale;
var canvasPathBuilder = new Microsoft.Graphics.Canvas.Geometry.CanvasPathBuilder(win2d);
int index = 0;
index++;
canvasPathBuilder.BeginFigure(bp);
var p0 = points[0];
var p1 = points[1];
var p2 = points[2];
p0.X *= info.Scale;
p0.Y *= info.Scale;
p1.X *= info.Scale;
p1.Y *= info.Scale;
p2.X *= info.Scale;
p2.Y *= info.Scale;
canvasPathBuilder.AddCubicBezier(p0, p1, p2);
canvasPathBuilder.EndFigure(CanvasFigureLoop.Open);
win2d.DrawGeometry(CanvasGeometry.CreatePath(canvasPathBuilder), Colors.HotPink, 1);
}
}
break;
case 'l':
case 'L':
case 'h':
case 'H':
case 'v':
case 'V':
{
if (befor != null)
{
var bp = befor.GetPoint();
bp.X *= info.Scale;
bp.Y *= info.Scale;
var canvasPathBuilder = new Microsoft.Graphics.Canvas.Geometry.CanvasPathBuilder(win2d);
int index = 0;
index++;
canvasPathBuilder.BeginFigure(bp);
var p0 = points[0];
p0.X *= info.Scale;
p0.Y *= info.Scale;
canvasPathBuilder.AddLine(p0);
canvasPathBuilder.EndFigure(CanvasFigureLoop.Open);
win2d.DrawGeometry(CanvasGeometry.CreatePath(canvasPathBuilder), Colors.HotPink, 1);
}
}
break;
}
}