public static AM.Geometry ToGeometry(EllipseShapeViewModel ellipse)
{
var rect2 = Rect2.FromPoints(ellipse.TopLeft.X, ellipse.TopLeft.Y, ellipse.BottomRight.X, ellipse.BottomRight.Y);
var rect = new A.Rect(rect2.X, rect2.Y, rect2.Width, rect2.Height);
var g = new AM.EllipseGeometry(rect);
return(g);
}
private static void DrawEllipseInternal(AM.DrawingContext dc, AM.IBrush brush, AM.Pen pen, bool isStroked, bool isFilled, ref Rect2 rect)
{
if (!isFilled && !isStroked)
{
return;
}
var r = new A.Rect(rect.X, rect.Y, rect.Width, rect.Height);
var g = new AM.EllipseGeometry(r);
dc.DrawGeometry(
isFilled ? brush : null,
isStroked ? pen : null,
g);
}
private static void Record(CanvasCommand canvasCommand, AvaloniaPicture avaloniaPicture)
{
if (avaloniaPicture == null || avaloniaPicture._commands == null)
{
return;
}
switch (canvasCommand)
{
case ClipPathCanvasCommand clipPathCanvasCommand:
{
var path = clipPathCanvasCommand.ClipPath.ToGeometry(false);
if (path != null)
{
// TODO: clipPathCanvasCommand.Operation;
// TODO: clipPathCanvasCommand.Antialias;
avaloniaPicture._commands.Add(new GeometryClipDrawCommand(path));
}
}
break;
case ClipRectCanvasCommand clipRectCanvasCommand:
{
var rect = clipRectCanvasCommand.Rect.ToSKRect();
// TODO: clipRectCanvasCommand.Operation;
// TODO: clipRectCanvasCommand.Antialias;
avaloniaPicture._commands.Add(new ClipDrawCommand(rect));
}
break;
case SaveCanvasCommand _:
{
// TODO:
avaloniaPicture._commands.Add(new SaveDrawCommand());
}
break;
case RestoreCanvasCommand _:
{
// TODO:
avaloniaPicture._commands.Add(new RestoreDrawCommand());
}
break;
case SetMatrixCanvasCommand setMatrixCanvasCommand:
{
var matrix = setMatrixCanvasCommand.Matrix.ToMatrix();
avaloniaPicture._commands.Add(new SetTransformDrawCommand(matrix));
}
break;
case SaveLayerCanvasCommand saveLayerCanvasCommand:
{
// TODO:
avaloniaPicture._commands.Add(new SaveLayerDrawCommand());
}
break;
case DrawImageCanvasCommand drawImageCanvasCommand:
{
if (drawImageCanvasCommand.Image != null)
{
var image = drawImageCanvasCommand.Image.ToBitmap();
if (image != null)
{
var source = drawImageCanvasCommand.Source.ToSKRect();
var dest = drawImageCanvasCommand.Dest.ToSKRect();
var bitmapInterpolationMode = drawImageCanvasCommand.Paint?.FilterQuality.ToBitmapInterpolationMode() ?? AVMI.BitmapInterpolationMode.Default;
avaloniaPicture._commands.Add(new ImageDrawCommand(image, source, dest, bitmapInterpolationMode));
}
}
}
break;
case DrawPathCanvasCommand drawPathCanvasCommand:
{
if (drawPathCanvasCommand.Path != null && drawPathCanvasCommand.Paint != null)
{
(var brush, var pen) = drawPathCanvasCommand.Paint.ToBrushAndPen();
if (drawPathCanvasCommand.Path.Commands?.Count == 1)
{
var pathCommand = drawPathCanvasCommand.Path.Commands[0];
var success = false;
switch (pathCommand)
{
case AddRectPathCommand addRectPathCommand:
{
var rect = addRectPathCommand.Rect.ToSKRect();
avaloniaPicture._commands.Add(new RectangleDrawCommand(brush, pen, rect, 0, 0));
success = true;
}
break;
case AddRoundRectPathCommand addRoundRectPathCommand:
{
var rect = addRoundRectPathCommand.Rect.ToSKRect();
var rx = addRoundRectPathCommand.Rx;
var ry = addRoundRectPathCommand.Ry;
avaloniaPicture._commands.Add(new RectangleDrawCommand(brush, pen, rect, rx, ry));
success = true;
}
break;
case AddOvalPathCommand addOvalPathCommand:
{
var rect = addOvalPathCommand.Rect.ToSKRect();
var ellipseGeometry = new AM.EllipseGeometry(rect);
avaloniaPicture._commands.Add(new GeometryDrawCommand(brush, pen, ellipseGeometry));
success = true;
}
break;
case AddCirclePathCommand addCirclePathCommand:
{
var x = addCirclePathCommand.X;
var y = addCirclePathCommand.Y;
var radius = addCirclePathCommand.Radius;
var rect = new A.Rect(x - radius, y - radius, radius + radius, radius + radius);
var ellipseGeometry = new AM.EllipseGeometry(rect);
avaloniaPicture._commands.Add(new GeometryDrawCommand(brush, pen, ellipseGeometry));
success = true;
}
break;
case AddPolyPathCommand addPolyPathCommand:
{
if (addPolyPathCommand.Points != null)
{
var points = addPolyPathCommand.Points.ToPoints();
var close = addPolyPathCommand.Close;
var polylineGeometry = new AM.PolylineGeometry(points, close);
avaloniaPicture._commands.Add(new GeometryDrawCommand(brush, pen, polylineGeometry));
success = true;
}
}
break;
}
if (success)
{
break;
}
}
if (drawPathCanvasCommand.Path.Commands?.Count == 2)
{
var pathCommand1 = drawPathCanvasCommand.Path.Commands[0];
var pathCommand2 = drawPathCanvasCommand.Path.Commands[1];
if (pathCommand1 is MoveToPathCommand moveTo && pathCommand2 is LineToPathCommand lineTo)
{
var p1 = new A.Point(moveTo.X, moveTo.Y);
var p2 = new A.Point(lineTo.X, lineTo.Y);
avaloniaPicture._commands.Add(new LineDrawCommand(pen, p1, p2));
break;
}
}
var geometry = drawPathCanvasCommand.Path.ToGeometry(brush != null);
if (geometry != null)
{
avaloniaPicture._commands.Add(new GeometryDrawCommand(brush, pen, geometry));
}
}
}
break;
case DrawTextBlobCanvasCommand drawPositionedTextCanvasCommand:
{
// TODO:
}
break;
case DrawTextCanvasCommand drawTextCanvasCommand:
{
if (drawTextCanvasCommand.Paint != null)
{
(var brush, _) = drawTextCanvasCommand.Paint.ToBrushAndPen();
var text = drawTextCanvasCommand.Paint.ToFormattedText(drawTextCanvasCommand.Text);
var x = drawTextCanvasCommand.X;
var y = drawTextCanvasCommand.Y;
var origin = new A.Point(x, y - drawTextCanvasCommand.Paint.TextSize);
avaloniaPicture._commands.Add(new TextDrawCommand(brush, origin, text));
}
}
break;
case DrawTextOnPathCanvasCommand drawTextOnPathCanvasCommand:
{
// TODO:
}
break;
default:
break;
}
}
private static void FillEllipse(DrawingContext dc, IBrush brush, GuidePoint point, double radiusX, double radiusY)
{
var g = new EllipseGeometry(new Rect(point.X - radiusX, point.Y - radiusY, 2.0 * radiusX, 2.0 * radiusY));
dc.DrawGeometry(brush, null, g);
}
private static void DrawEllipseInternal(AM.DrawingContext dc, AM.IBrush brush, AM.Pen pen, bool isStroked, bool isFilled, ref Rect2 rect)
{
if (!isFilled && !isStroked)
return;
var r = new A.Rect(rect.X, rect.Y, rect.Width, rect.Height);
var g = new AM.EllipseGeometry(r);
dc.DrawGeometry(
isFilled ? brush : null,
isStroked ? pen : null,
g);
}