private void InsertSquare(SvgGroupElement group, int xIndex, int yIndex)
{
bool isBlack = ((xIndex + yIndex) % 2 == 0);
if (!isBlack)
{
// nothing to draw in case of a white square
return;
}
float x = m_UpperLeft.X + xIndex * m_SquareLength;
float y = m_UpperLeft.Y + yIndex * m_SquareLength;
SvgRectElement rectangle = new SvgRectElement(
x, y,
m_SquareLength, m_SquareLength
);
rectangle.Style = s_FilledBlack;
group.AddChild(rectangle);
}
public SvgGraphics()
{
_root = new SvgSvgElement();
_root.Id = "SvgGdi_output";
_bg = new SvgRectElement(0, 0, "100%", "100%");
_bg.Style.Set("fill", new SvgColor(Color.FromName("Control")));
_bg.Id = "background";
_root.AddChild(_bg);
_topgroup = new SvgGroupElement("root_group");
_topgroup.Style.Set("shape-rendering", "crispEdges");
_cur = _topgroup;
_root.AddChild(_topgroup);
_defs = new SvgDefsElement("clips_hatches_and_gradients");
_root.AddChild(_defs);
_transforms = new MatrixStack();
}
public void AddSquares(float yOffset, float xOffset, float sideLength, int xCount, int yCount)
{
SvgGroupElement squaresGroup = new SvgGroupElement("Squares");
squaresGroup.Style = s_NormalLineStyle;
float xStart = this.Origin.X + xOffset - xCount / 2.0F * sideLength;
float yStart = this.Origin.Y + yOffset;
for (int i = 0; i < xCount; i++)
{
for (int j = 0; j < yCount; j++)
{
SvgRectElement rectElement = new SvgRectElement(
GetSvgLength(xStart + i * sideLength), GetSvgLength(yStart + j * sideLength),
GetSvgLength(sideLength), GetSvgLength(sideLength));
squaresGroup.AddChild(rectElement);
}
}
this.Root.AddChild(squaresGroup);
}
/// <summary>
/// Implemented
/// </summary>
public void DrawRectangle(Pen pen, Single x, Single y, Single width, Single height)
{
SvgRectElement rc= new SvgRectElement(x,y,width,height);
rc.Style = new SvgStyle(pen);
if (!_transforms.Result.IsIdentity)
rc.Transform = new SvgTransformList(_transforms.Result.Clone());
_cur.AddChild(rc);
}
/// <summary>
/// When a GDI instruction with a brush parameter is called, there can be a lot we have to do to emulate the brush. The aim is to return a
/// style that represents the brush.
/// <para>
/// Solid brush is very easy.
/// </para>
/// <para>
/// Linear grad brush: we ignore the blend curve and the transformation (and therefore the rotation parameter if any)
/// Hatch brush:
/// </para>
/// <para>
/// Other types of brushes are too hard to emulate and are rendered pink.
/// </para>
/// </summary>
/// <param name="br"></param>
/// <returns></returns>
private SvgStyle HandleBrush(Brush br)
{
if (br.GetType() == typeof(SolidBrush))
{
return new SvgStyle((SolidBrush)br);
}
if (br.GetType() == typeof(LinearGradientBrush))
{
LinearGradientBrush grbr = (LinearGradientBrush)br;
RectangleF rc = grbr.Rectangle;
SvgLinearGradient grad = new SvgLinearGradient(rc.Left, rc.Top, rc.Right, rc.Bottom);
switch(grbr.WrapMode)
{
//I have not been able to test Clamp because using a clamped gradient appears to crash the process
//under XP (?!?!)
case WrapMode.Clamp:
grad.SpreadMethod = "pad"; grad.GradientUnits = "objectBoundingBox"; break;
case WrapMode.Tile:
grad.SpreadMethod = "repeat"; grad.GradientUnits = "userSpaceOnUse"; break;
default:
grad.SpreadMethod = "reflect"; grad.GradientUnits = "userSpaceOnUse"; break;
}
ColorBlend cb = null;
//GDI dll tends to crash when you try and access some members of gradient brushes that haven't been specified.
try
{
cb = grbr.InterpolationColors;
}
catch(Exception){}
if(cb != null)
{
for(int i = 0; i < grbr.InterpolationColors.Colors.Length; ++i)
{
grad.AddChild(new SvgStopElement(grbr.InterpolationColors.Positions[i], grbr.InterpolationColors.Colors[i]));
}
}
else
{
grad.AddChild(new SvgStopElement("0%", grbr.LinearColors[0]));
grad.AddChild(new SvgStopElement("100%", grbr.LinearColors[1]));
}
grad.Id += "_LinearGradientBrush";
_defs.AddChild(grad);
SvgStyle s = new SvgStyle();
s.Set("fill", new SvgUriReference(grad));
return s;
}
if (br.GetType() == typeof(HatchBrush))
{
HatchBrush habr = (HatchBrush)br;
SvgPatternElement patty = new SvgPatternElement(0,0,8,8, new SvgNumList("4 4 12 12"));
patty.Style.Set("shape-rendering", "crispEdges");
patty.Style.Set("stroke-linecap", "butt");
SvgRectElement rc = new SvgRectElement(0,0,8,8);
rc.Style.Set("fill", new SvgColor(habr.BackgroundColor));
patty.AddChild(rc);
AddHatchBrushDetails(patty, new SvgColor(habr.ForegroundColor), habr.HatchStyle);
patty.Id += "_HatchBrush";
patty.PatternUnits = "userSpaceOnUse";
patty.PatternContentUnits = "userSpaceOnUse";
_defs.AddChild(patty);
SvgStyle s = new SvgStyle();
s.Set("fill", new SvgUriReference(patty));
return s;
}
//most types of brush we can't emulate, but luckily they are quite unusual
return new SvgStyle(new SolidBrush(Color.Salmon));
}
private void DrawText(String s, Font font, Brush brush, RectangleF rect, StringFormat fmt, bool ignoreRect)
{
SvgTextElement txt = new SvgTextElement(s, rect.X, rect.Y);
//GDI takes x and y as the upper left corner; svg takes them as the lower left.
//We must therefore move the text one line down, but SVG does not understand about lines,
//so we do as best we can, applying a downward translation before the current GDI translation.
txt.Transform = new SvgTransformList(_transforms.Result.Clone());
txt.Style = HandleBrush(brush);
txt.Style += new SvgStyle(font);
if (fmt.Alignment == StringAlignment.Center)
{
txt.Style.Set("text-anchor", "middle");
txt.X = rect.X + rect.Width/2;
}
if (fmt.Alignment == StringAlignment.Far)
{
txt.Style.Set("text-anchor", "end");
txt.X = rect.Right;
}
txt.Style.Set("baseline-shift", "-86%");//a guess.
if(!ignoreRect && (fmt.FormatFlags != StringFormatFlags.NoClip))
{
SvgClipPathElement clipper = new SvgClipPathElement();
clipper.Id += "_text_clipper";
SvgRectElement rc = new SvgRectElement(rect.X, rect.Y, rect.Width, rect.Height);
clipper.AddChild(rc);
_defs.AddChild(clipper);
txt.Style.Set("clip-path", new SvgUriReference(clipper));
}
_cur.AddChild(txt);
}
private void DrawEndAnchor(LineCap lc, CustomLineCap clc, Color col, float w, PointF pt, float angle)
{
SvgStyledTransformedElement anchor=null;
PointF[] points = null;
switch(lc)
{
case LineCap.ArrowAnchor:
points = new PointF[3];
points[0] = new PointF(0, -w/2f);
points[1] = new PointF(-w, w);
points[2] = new PointF(w, w);
anchor = new SvgPolygonElement(points);
break;
case LineCap.DiamondAnchor:
points = new PointF[4];
points[0] = new PointF(0, -w);
points[1] = new PointF(w, 0);
points[2] = new PointF(0, w);
points[3] = new PointF(-w, 0);
anchor = new SvgPolygonElement(points);
break;
case LineCap.RoundAnchor:
anchor = new SvgEllipseElement(0, 0, w, w);
break;
case LineCap.SquareAnchor:
float ww = (w/3)*2;
anchor = new SvgRectElement(0 - ww, 0 - ww, ww*2, ww*2);
break;
case LineCap.Custom:
//not implemented!
return;
default:
return;
}
anchor.Id += "_line_anchor";
anchor.Style.Set("fill", new SvgColor(col));
anchor.Style.Set("stroke", "none");
Matrix rotation = new Matrix();
rotation.Rotate((angle/(float)Math.PI)*180);
Matrix translation = new Matrix();
translation.Translate(pt.X, pt.Y);
anchor.Transform = new SvgTransformList(_transforms.Result.Clone());
anchor.Transform.Add(translation);
anchor.Transform.Add(rotation);
_cur.AddChild(anchor);
}
private void AddHatchBrushDetails(SvgPatternElement patty, SvgColor col, HatchStyle hs)
{
SvgStyledTransformedElement l1=null;
SvgStyledTransformedElement l2 = null;
SvgStyledTransformedElement l3 = null;
SvgStyledTransformedElement l4 = null;
switch(hs)
{
case HatchStyle.Cross:
l1 = new SvgLineElement(4,0,4,8);
l2 = new SvgLineElement(0,4,8,4);
break;
case HatchStyle.BackwardDiagonal:
l1 = new SvgLineElement(8,0,0,8);
break;
case HatchStyle.LightDownwardDiagonal:
case HatchStyle.DarkDownwardDiagonal:
l1 = new SvgLineElement(4,0,8,4);
l2 = new SvgLineElement(0,4,4,8);
l3 = new SvgLineElement(0,0,8,8);
break;
case HatchStyle.LightHorizontal:
case HatchStyle.DarkHorizontal:
l1 = new SvgLineElement(0,2,8,2);
l2 = new SvgLineElement(0,6,8,6);
break;
case HatchStyle.LightUpwardDiagonal:
case HatchStyle.DarkUpwardDiagonal:
l1 = new SvgLineElement(0,4,4,0);
l2 = new SvgLineElement(4,8,8,4);
l3 = new SvgLineElement(0,8,8,0);
break;
case HatchStyle.LightVertical:
case HatchStyle.DarkVertical:
l1 = new SvgLineElement(2,0,2,8);
l2 = new SvgLineElement(6,0,6,8);
break;
case HatchStyle.DashedDownwardDiagonal:
l1 = new SvgLineElement(0,0,4,4);
l2 = new SvgLineElement(4,0,8,4);
break;
case HatchStyle.DashedHorizontal:
l1 = new SvgLineElement(0,2,4,2);
l2 = new SvgLineElement(4,6,8,6);
break;
case HatchStyle.DashedUpwardDiagonal:
l1 = new SvgLineElement(4,0,0,4);
l2 = new SvgLineElement(8,0,4,4);
break;
case HatchStyle.DashedVertical:
l1 = new SvgLineElement(2,0,2,4);
l2 = new SvgLineElement(6,4,6,8);
break;
case HatchStyle.DiagonalBrick:
l1 = new SvgLineElement(0,8,8,0);
l2 = new SvgLineElement(0,0,4,4);
break;
case HatchStyle.DiagonalCross:
l1 = new SvgLineElement(0,0,8,8);
l2 = new SvgLineElement(8,0,0,8);
break;
case HatchStyle.Divot:
l1 = new SvgLineElement(2,2,4,4);
l2 = new SvgLineElement(4,4,2,6);
break;
case HatchStyle.DottedDiamond:
l1 = new SvgLineElement(0,0,8,8);
l2 = new SvgLineElement(0,8,8,0);
break;
case HatchStyle.DottedGrid:
l1 = new SvgLineElement(4,0,4,8);
l2 = new SvgLineElement(0,4,8,4);
break;
case HatchStyle.ForwardDiagonal:
l1 = new SvgLineElement(0,0,8,8);
break;
case HatchStyle.Horizontal:
l1 = new SvgLineElement(0,4,8,4);
break;
case HatchStyle.HorizontalBrick:
l1 = new SvgLineElement(0,3,8,3);
l2 = new SvgLineElement(3,0,3,3);
l3 = new SvgLineElement(0,3,0,7);
l4 = new SvgLineElement(0,7,7,7);
break;
case HatchStyle.LargeCheckerBoard:
l1 = new SvgRectElement(0,0,3f,3f);
l2 = new SvgRectElement(4,4,4,4f);
break;
case HatchStyle.LargeConfetti:
l1 = new SvgRectElement(0,0,1,1);
l2 = new SvgRectElement(2,3,1,1);
l3 = new SvgRectElement(5,2,1,1);
l4 = new SvgRectElement(6,6,1,1);
break;
case HatchStyle.NarrowHorizontal:
l1 = new SvgLineElement(0,1,8,1);
l2 = new SvgLineElement(0,3,8,3);
l3 = new SvgLineElement(0,5,8,5);
l4 = new SvgLineElement(0,7,8,7);
break;
case HatchStyle.NarrowVertical:
l1 = new SvgLineElement(1,0,1,8);
l2 = new SvgLineElement(3,0,3,8);
l3 = new SvgLineElement(5,0,5,8);
l4 = new SvgLineElement(7,0,7,8);
break;
case HatchStyle.OutlinedDiamond:
l1 = new SvgLineElement(0,0,8,8);
l2 = new SvgLineElement(8,0,0,8);
break;
case HatchStyle.Plaid:
l1 = new SvgLineElement(0,0,8,0);
l2 = new SvgLineElement(0,3,8,3);
l3 = new SvgRectElement(0,4,3,3);
break;
case HatchStyle.Shingle:
l1 = new SvgLineElement(0,2,2,0);
l2 = new SvgLineElement(2,0,7,5);
l3 = new SvgLineElement(0,3,3,7);
break;
case HatchStyle.SmallCheckerBoard:
l1 = new SvgRectElement(0,0,1,1);
l2 = new SvgRectElement(4,4,1,1);
l3 = new SvgRectElement(4,0,1,1);
l4 = new SvgRectElement(0,4,1,1);
break;
case HatchStyle.SmallConfetti:
l1 = new SvgLineElement(0,0,2,2);
l2 = new SvgLineElement(7,3,5,5);
l3 = new SvgLineElement(2,6,4,4);
break;
case HatchStyle.SmallGrid:
l1 = new SvgLineElement(0,2,8,2);
l2 = new SvgLineElement(0,6,8,6);
l3 = new SvgLineElement(2,0,2,8);
l4 = new SvgLineElement(6,0,6,8);
break;
case HatchStyle.SolidDiamond:
l1 = new SvgPolygonElement("3 0 6 3 3 6 0 3");
break;
case HatchStyle.Sphere:
l1 = new SvgEllipseElement(3,3,2,2);
break;
case HatchStyle.Trellis:
l1 = new SvgLineElement(0,1,8,1);
l2 = new SvgLineElement(0,3,8,3);
l3 = new SvgLineElement(0,5,8,5);
l4 = new SvgLineElement(0,7,8,7);
break;
case HatchStyle.Vertical:
l4 = new SvgLineElement(0,0,0,8);
break;
case HatchStyle.Wave:
l3 = new SvgLineElement(0,4,3,2);
l4 = new SvgLineElement(3,2,8,4);
break;
case HatchStyle.Weave:
l1 = new SvgLineElement(0,4,4,0);
l2 = new SvgLineElement(8,4,4,8);
l3 = new SvgLineElement(0,0,0,4);
l4 = new SvgLineElement(0,4,4,8);
break;
case HatchStyle.WideDownwardDiagonal:
l1 = new SvgLineElement(0,0,8,8);
l2 = new SvgLineElement(0,1,8,9);
l3 = new SvgLineElement(7,0,8,1);
break;
case HatchStyle.WideUpwardDiagonal:
l1 = new SvgLineElement(8,0,0,8);
l2 = new SvgLineElement(8,1,0,9);
l3 = new SvgLineElement(0,1,-1,0);
break;
case HatchStyle.ZigZag:
l1 = new SvgLineElement(0,4,4,0);
l2 = new SvgLineElement(4,0,8,4);
break;
case HatchStyle.Percent05:
l1 = new SvgLineElement(0,0,1,0);
l2 = new SvgLineElement(4,4,5,4);
break;
case HatchStyle.Percent10:
l1 = new SvgLineElement(0,0,1,0);
l2 = new SvgLineElement(4,2,5,2);
l3 = new SvgLineElement(2,4,3,4);
l4 = new SvgLineElement(6,6,7,6);
break;
case HatchStyle.Percent20:
l1 = new SvgLineElement(0,0,2,0);
l2 = new SvgLineElement(4,2,6,2);
l3 = new SvgLineElement(2,4,4,4);
l4 = new SvgLineElement(5,6,7,6);
break;
case HatchStyle.Percent25:
l1 = new SvgLineElement(0,0,3,0);
l2 = new SvgLineElement(4,2,6,2);
l3 = new SvgLineElement(2,4,5,4);
l4 = new SvgLineElement(5,6,7,6);
break;
case HatchStyle.Percent30:
l1 = new SvgRectElement(0,0,3,1);
l2 = new SvgLineElement(4,2,6,2);
l3 = new SvgRectElement(2,4,3,1);
l4 = new SvgLineElement(5,6,7,6);
break;
case HatchStyle.Percent40:
l1 = new SvgRectElement(0,0,3,1);
l2 = new SvgRectElement(4,2,3,1);
l3 = new SvgRectElement(2,4,3,1);
l4 = new SvgRectElement(5,6,3,1);
break;
case HatchStyle.Percent50:
l1 = new SvgRectElement(0,0,3,3);
l2 = new SvgRectElement(4,4,4,4f);
break;
case HatchStyle.Percent60:
l1 = new SvgRectElement(0,0,4,3);
l2 = new SvgRectElement(4,4,4,4f);
break;
case HatchStyle.Percent70:
l1 = new SvgRectElement(0,0,4,5);
l2 = new SvgRectElement(4,4,4,4f);
break;
case HatchStyle.Percent75:
l1 = new SvgRectElement(0,0,7,3);
l2 = new SvgRectElement(0,2,3,7);
break;
case HatchStyle.Percent80:
l1 = new SvgRectElement(0,0,7,4);
l2 = new SvgRectElement(0,2,4,7);
break;
case HatchStyle.Percent90:
l1 = new SvgRectElement(0,0,7,5);
l2 = new SvgRectElement(0,2,5,7);
break;
default:
break;
}
if (l1 != null)
{
l1.Style.Set("stroke", col);
l1.Style.Set("fill", col);
patty.AddChild(l1);
}
if (l2 != null)
{
l2.Style.Set("stroke", col);
l2.Style.Set("fill", col);
patty.AddChild(l2);
}
if (l3 != null)
{
l3.Style.Set("stroke", col);
l3.Style.Set("fill", col);
patty.AddChild(l3);
}
if (l4 != null)
{
l4.Style.Set("stroke", col);
l4.Style.Set("fill", col);
patty.AddChild(l4);
}
}
/// <summary>
/// Implemented.
/// </summary>
public void SetClip(RectangleF rect)
{
SvgClipPathElement clipper = new SvgClipPathElement();
clipper.Id += "_SetClip";
SvgRectElement rc = new SvgRectElement(rect.X, rect.Y, rect.Width, rect.Height);
clipper.AddChild(rc);
_defs.AddChild(clipper);
_cur.Style.Set("clip-path", new SvgUriReference(clipper));
}
/// <summary>
/// Implemented
/// </summary>
public void FillRectangle(Brush brush, Single x, Single y, Single width, Single height)
{
SvgRectElement rc = new SvgRectElement(x, y, width, height);
rc.Style = HandleBrush(brush);
if (!_transforms.Result.IsIdentity)
rc.Transform = _transforms.Result.Clone();
_cur.AddChild(rc);
}
private void DrawImagePixel(SvgElement container, Color c, float x, float y, float w, float h)
{
if (c.A == 0)
return;
SvgRectElement rc = new SvgRectElement(x, y, w, h);
rc.Id="";
rc.Style.Set("fill", "rgb("+c.R+","+c.G+","+c.B+")");
if (c.A < 255)
rc.Style.Set("opacity", c.A/255f);
container.AddChild(rc);
}
private void DrawText(String s, Font font, Brush brush, RectangleF rect, StringFormat fmt, bool ignoreRect)
{
if (s != null && s.Contains("\n"))
throw new SvgGdiNotImpl("DrawText multiline text");
SvgTextElement txt = new SvgTextElement(s, rect.X, rect.Y);
//GDI takes x and y as the upper left corner; svg takes them as the lower left.
//We must therefore move the text one line down, but SVG does not understand about lines,
//so we do as best we can, applying a downward translation before the current GDI translation.
txt.Transform = new SvgTransformList(_transforms.Result.Clone());
txt.Style = HandleBrush(brush);
txt.Style += new SvgStyle(font);
switch (fmt.Alignment)
{
case StringAlignment.Near:
break;
case StringAlignment.Center:
{
if (ignoreRect)
throw new SvgGdiNotImpl("DrawText automatic rect");
txt.Style.Set("text-anchor", "middle");
txt.X = rect.X + rect.Width / 2;
}
break;
case StringAlignment.Far:
{
if (ignoreRect)
throw new SvgGdiNotImpl("DrawText automatic rect");
txt.Style.Set("text-anchor", "end");
txt.X = rect.Right;
}
break;
default:
throw new SvgGdiNotImpl("DrawText horizontal alignment");
}
if (!ignoreRect && ((fmt.FormatFlags & StringFormatFlags.NoClip) != StringFormatFlags.NoClip))
{
SvgClipPathElement clipper = new SvgClipPathElement();
clipper.Id += "_text_clipper";
SvgRectElement rc = new SvgRectElement(rect.X, rect.Y, rect.Width, rect.Height);
clipper.AddChild(rc);
_defs.AddChild(clipper);
txt.Style.Set("clip-path", new SvgUriReference(clipper));
}
switch (fmt.LineAlignment)
{
case StringAlignment.Near:
{
// TODO: ??
// txt.Style.Set("baseline-shift", "-86%");//a guess.
var span = new SvgTspanElement(s);
span.DY = new SvgLength(txt.Style.Get("font-size").ToString());
txt.Text = null;
txt.AddChild(span);
}
break;
case StringAlignment.Center:
{
if (ignoreRect)
throw new SvgGdiNotImpl("DrawText automatic rect");
txt.Y.Value = txt.Y.Value + (rect.Height / 2);
var span = new SvgTspanElement(s);
span.DY = new SvgLength(txt.Style.Get("font-size").ToString());
span.DY.Value = span.DY.Value * ((1 - GetFontDescentPercentage(font)) - 0.5f);
txt.Text = null;
txt.AddChild(span);
}
break;
case StringAlignment.Far:
{
if (ignoreRect)
throw new SvgGdiNotImpl("DrawText automatic rect");
txt.Y.Value = txt.Y.Value + rect.Height;
// This would solve the alignment as well, but it's not supported by Internet Explorer
//
// txt.Attributes["dominant-baseline"] = "text-after-edge";
var span = new SvgTspanElement(s);
span.DY = new SvgLength(txt.Style.Get("font-size").ToString());
span.DY.Value = span.DY.Value * ((1 - GetFontDescentPercentage(font)) - 1);
txt.Text = null;
txt.AddChild(span);
}
break;
default:
throw new SvgGdiNotImpl("DrawText vertical alignment");
}
_cur.AddChild(txt);
}
private void DrawEndAnchor(LineCap lc, CustomLineCap clc, Color col, float w, PointF pt, float angle, bool ignoreUnsupportedLineCaps)
{
SvgStyledTransformedElement anchor = null;
PointF[] points = null;
switch (lc) {
case LineCap.NoAnchor:
break;
case LineCap.Flat:
// TODO: what is the correct look?
break;
case LineCap.ArrowAnchor:
points = new PointF[3];
points[0] = new PointF(0, -w / 2f);
points[1] = new PointF(-w, w);
points[2] = new PointF(w, w);
anchor = new SvgPolygonElement(points);
break;
case LineCap.DiamondAnchor:
points = new PointF[4];
points[0] = new PointF(0, -w);
points[1] = new PointF(w, 0);
points[2] = new PointF(0, w);
points[3] = new PointF(-w, 0);
anchor = new SvgPolygonElement(points);
break;
case LineCap.RoundAnchor:
anchor = new SvgEllipseElement(0, 0, w, w);
break;
case LineCap.SquareAnchor:
float ww = (w / 3) * 2;
anchor = new SvgRectElement(0 - ww, 0 - ww, ww * 2, ww * 2);
break;
case LineCap.Custom:
if (clc != null)
{
if (!ignoreUnsupportedLineCaps)
throw new SvgGdiNotImpl("DrawEndAnchor custom");
}
break;
default:
if (!ignoreUnsupportedLineCaps)
throw new SvgGdiNotImpl("DrawEndAnchor " + lc.ToString());
break;
}
if (anchor == null)
return;
anchor.Id += "_line_anchor";
anchor.Style.Set("fill", new SvgColor(col));
anchor.Style.Set("stroke", "none");
Matrix rotation = new Matrix();
rotation.Rotate((angle / (float)Math.PI) * 180);
Matrix translation = new Matrix();
translation.Translate(pt.X, pt.Y);
anchor.Transform = new SvgTransformList(_transforms.Result.Clone());
anchor.Transform.Add(translation);
anchor.Transform.Add(rotation);
_cur.AddChild(anchor);
}