private static D2D1.Geometry CreateGeometry(D2D1.RenderTarget target, FontManager fontManager, IElement element,
IFrameContext context, ClipPathUnits clipPathUnits, IElement targetElement)
{
var geom = CreateGeometryInternal(target, fontManager, element, context, clipPathUnits, targetElement);
if (geom == null)
{
return(null);
}
var rt = element.GetTransform();
if (rt == null)
{
return(geom);
}
return(new D2D1.TransformedGeometry(
target.Factory,
geom,
rt.ToDx(element, context)
));
}
private static D2D1.Geometry CreateGeometryInternal(D2D1.RenderTarget target, FontManager fontManager, IElement element, IFrameContext context, ClipPathUnits clipPathUnits, IElement targetElement)
{
if (clipPathUnits == ClipPathUnits.UserSpaceOnUse)
{
switch (element.ElementType)
{
case "rect":
return(new D2D1.RectangleGeometry(target.Factory, element.GetBounds(context).ToDx()));
case "circle":
var r = element.GetRadius(context);
return(new D2D1.EllipseGeometry(target.Factory, new D2D1.Ellipse()
{
Point = element.GetCxCy(context).ToDx(),
RadiusX = r,
RadiusY = r
}));
case "path":
return(PathBuilder.Create(target, element.GetPath(), D2D1.FillMode.Alternate));
case "text":
var geom = new D2D1.PathGeometry(target.Factory);
using (var sink = geom.Open())
{
var font = element.GetFont(context);
var fontFace = fontManager.GetFontFace(font);
var glyphIndices = fontFace.GetGlyphIndices("Clip Test");
var xx = new[] { 35f, 50f, 55f, 65f, 45f, 48f, 52f, 32f, 61f };
fontFace.GetGlyphRunOutline(
font.Size,
glyphIndices,
xx,
null,
glyphIndices.Length,
false,
false,
sink);
sink.Close();
return(new D2D1.TransformedGeometry(
target.Factory,
geom,
Matrix3x2.Translation(0, font.Size)
));
//return geom;
}
default:
return(null);
}
}
else
{
var targetBounds = GetBounds(targetElement, context);
switch (element.ElementType)
{
case "rect":
var rectBounds = element.GetBounds(context);
var w = targetBounds.Width * rectBounds.Width;
var h = targetBounds.Height * rectBounds.Height;
var x = targetBounds.X + (targetBounds.Width * rectBounds.X);
var y = targetBounds.Y + (targetBounds.Height * rectBounds.Y);
return(new D2D1.RectangleGeometry(
target.Factory,
new RawRectangleF(x, y, x + w, y + h)
));
case "circle":
var r = element.GetRadius(context);
var cxCy = element.GetCxCy(context);
return(new D2D1.EllipseGeometry(target.Factory, new D2D1.Ellipse()
{
Point = new RawVector2(targetBounds.X + (cxCy.X * targetBounds.Width), targetBounds.Y + (cxCy.Y * targetBounds.Height)),
RadiusX = r * targetBounds.Width,
RadiusY = r * targetBounds.Width
}));
case "path":
return(PathBuilder.Create(target, element.GetPath(), D2D1.FillMode.Alternate));
default:
return(null);
}
}
}
public Clip(IEnumerable <IElement> children, string tag, ClipPathUnits clipPathUnits)
{
Tag = tag;
Children = children.ToArray();
ClipPathUnits = clipPathUnits;
}