private void Init(Group group, Transform transform, StringDictionary style)
{
if (transform is Transform.Matrix)
{
var matrix = (Transform.Matrix)transform;
group.ScaleX = (matrix.A >= 0 ? 1 : -1) * Math.Sqrt(matrix.A * matrix.A + matrix.C * matrix.C);
group.ScaleY = (matrix.D >= 0 ? 1 : -1) * Math.Sqrt(matrix.B * matrix.B + matrix.D * matrix.D);
group.Rotation = Math.Atan(matrix.B / matrix.D) * 180 / Math.PI;
group.TranslateX = matrix.E;
group.TranslateY = matrix.F;
}
if (transform is Transform.Translate)
{
var translate = (Transform.Translate)transform;
group.TranslateX = translate.Tx;
group.TranslateY = translate.Ty;
}
if (transform is Transform.Scale)
{
var scale = (Transform.Scale)transform;
group.ScaleX = scale.Sx;
group.ScaleY = scale.Sy;
}
if (transform is Transform.Rotate)
{
var rotate = (Transform.Rotate)transform;
group.Rotation = rotate.Angle;
group.PivotX = rotate.Cx;
group.PivotY = rotate.Cy;
}
var clipPath = style["clip-path"];
if (!string.IsNullOrEmpty(clipPath) && clipPath != "none")
{
var match = Regex.Match(clipPath, @"^url\(#(?<key>.+)\)$");
if (!match.Success)
{
throw new UnsupportedFormatException("Wrong clip-path attribute value.");
}
var key = match.Groups["key"].Value;
foreach (var x in ClipPathHelper.ExtractPaths((SvgClipPath)_map[key]))
{
var vdClipPath = group.Children.Append <VdClipPath>();
vdClipPath.PathData = x.Path.D;
SetFillType(vdClipPath, x.Style["clip-rule"]);
vdClipPath.PathData = PathDataFixer.Fix(vdClipPath.PathData);
}
}
}
private void Init(Group outerGroup, Group innerGroup, Transform transform, StringDictionary style)
{
if (transform is Transform.Matrix matrix)
{
if (matrix.A == 0 && matrix.D == 0)
{
innerGroup.Rotation = 90;
innerGroup.ScaleX = matrix.B;
innerGroup.ScaleY = -matrix.C;
innerGroup.TranslateX = matrix.E;
innerGroup.TranslateY = matrix.F;
}
else if (matrix.A * matrix.C == -matrix.B * matrix.D)
{
innerGroup.Rotation = MathHelper.ToDegrees(Math.Atan(matrix.B / matrix.A));
innerGroup.ScaleX = Math.Sign(matrix.A) * Math.Sqrt(MathHelper.Square(matrix.A) + MathHelper.Square(matrix.B));
innerGroup.ScaleY = Math.Sign(matrix.D) * Math.Sqrt(MathHelper.Square(matrix.C) + MathHelper.Square(matrix.D));
innerGroup.TranslateX = matrix.E;
innerGroup.TranslateY = matrix.F;
}
else
{
var svd = DenseMatrix.OfArray(new[, ] {
{ matrix.A, matrix.C }, { matrix.B, matrix.D }
}).Svd();
outerGroup.Rotation = MathHelper.ToDegrees(Math.Atan2(svd.U[1, 0], svd.U[0, 0]));
innerGroup.Rotation = MathHelper.ToDegrees(Math.Atan2(svd.VT[1, 0], svd.VT[0, 0]));
outerGroup.ScaleX = svd.S[0];
outerGroup.ScaleY = svd.S[1] * svd.U.Determinant();
innerGroup.ScaleY = svd.VT.Determinant();
outerGroup.TranslateX = matrix.E;
outerGroup.TranslateY = matrix.F;
}
}
if (transform is Transform.Translate translate)
{
innerGroup.TranslateX = translate.Tx;
innerGroup.TranslateY = translate.Ty;
}
if (transform is Transform.Scale scale)
{
innerGroup.ScaleX = scale.Sx;
innerGroup.ScaleY = scale.Sy;
}
if (transform is Transform.Rotate rotate)
{
innerGroup.Rotation = rotate.Angle;
innerGroup.PivotX = rotate.Cx;
innerGroup.PivotY = rotate.Cy;
}
var clipPath = style["clip-path"];
if (!string.IsNullOrEmpty(clipPath) && clipPath != "none")
{
var match = Regex.Match(clipPath, @"^url\(#(?<key>.+)\)$");
if (!match.Success)
{
throw new UnsupportedFormatException("Wrong clip-path attribute value.");
}
var key = match.Groups["key"].Value;
foreach (var x in ClipPathHelper.ExtractPaths((G)_map[key]))
{
var vdClipPath = innerGroup.Children.Append <VdClipPath>();
vdClipPath.PathData = x.Path.D;
SetFillType(vdClipPath, x.Style["clip-rule"]);
vdClipPath.PathData = PathDataFixer.Fix(vdClipPath.PathData);
}
}
}