Exemple #1
0
        public PolylineDrawable(SvgPolyline svgPolyline, SKRect skOwnerBounds, Drawable?root, Drawable?parent, Attributes ignoreAttributes = Attributes.None)
            : base(svgPolyline, root, parent)
        {
            IgnoreAttributes = ignoreAttributes;
            IsDrawable       = CanDraw(svgPolyline, IgnoreAttributes) && HasFeatures(svgPolyline, IgnoreAttributes);

            if (!IsDrawable)
            {
                return;
            }

            Path = svgPolyline.Points?.ToSKPath(svgPolyline.FillRule, false, skOwnerBounds, _disposable);
            if (Path == null || Path.IsEmpty)
            {
                IsDrawable = false;
                return;
            }

            IsAntialias = SvgPaintingExtensions.IsAntialias(svgPolyline);

            TransformedBounds = Path.Bounds;

            Transform = SvgTransformsExtensions.ToSKMatrix(svgPolyline.Transforms);

            bool canDrawFill   = true;
            bool canDrawStroke = true;

            if (SvgPaintingExtensions.IsValidFill(svgPolyline))
            {
                Fill = SvgPaintingExtensions.GetFillSKPaint(svgPolyline, TransformedBounds, ignoreAttributes, _disposable);
                if (Fill == null)
                {
                    canDrawFill = false;
                }
            }

            if (SvgPaintingExtensions.IsValidStroke(svgPolyline, TransformedBounds))
            {
                Stroke = SvgPaintingExtensions.GetStrokeSKPaint(svgPolyline, TransformedBounds, ignoreAttributes, _disposable);
                if (Stroke == null)
                {
                    canDrawStroke = false;
                }
            }

            if (canDrawFill && !canDrawStroke)
            {
                IsDrawable = false;
                return;
            }

            SvgMarkerExtensions.CreateMarkers(svgPolyline, Path, skOwnerBounds, ref MarkerDrawables, _disposable);

            // TODO: Transform _skBounds using _skMatrix.
            TransformedBounds = Transform.MapRect(TransformedBounds);
        }
Exemple #2
0
        public GroupDrawable(SvgGroup svgGroup, SKRect skOwnerBounds, Drawable?root, Drawable?parent, Attributes ignoreAttributes = Attributes.None)
            : base(svgGroup, root, parent)
        {
            IgnoreAttributes = ignoreAttributes;
            IsDrawable       = CanDraw(svgGroup, IgnoreAttributes) && HasFeatures(svgGroup, IgnoreAttributes);

            // NOTE: Call AddMarkers only once.
            SvgMarkerExtensions.AddMarkers(svgGroup);

            CreateChildren(svgGroup, skOwnerBounds, root, this, ignoreAttributes);

            // TODO: Check if children are explicitly set to be visible.
            //foreach (var child in ChildrenDrawables)
            //{
            //    if (child.IsDrawable)
            //    {
            //        IsDrawable = true;
            //        break;
            //    }
            //}

            if (!IsDrawable)
            {
                return;
            }

            IsAntialias = SvgPaintingExtensions.IsAntialias(svgGroup);

            TransformedBounds = SKRect.Empty;

            CreateTransformedBounds();

            Transform = SvgTransformsExtensions.ToSKMatrix(svgGroup.Transforms);

            Fill   = null;
            Stroke = null;

            // TODO: Transform _skBounds using _skMatrix.
            TransformedBounds = Transform.MapRect(TransformedBounds);
        }