public static bool TryGetTransform(ISvgTransformable element, out Transform transform)
{
transform = null;
if (element == null)
{
return(false);
}
ISvgTransformList svgTList = element.Transform.AnimVal;
ISvgMatrix svgMatrix = ((SvgTransformList)element.Transform.AnimVal).TotalMatrix;
ISvgElement nVE = element.NearestViewportElement;
if (nVE != null)
{
SvgTransformableElement par = (element as SvgElement).ParentNode as SvgTransformableElement;
while (par != null && par != nVE)
{
svgTList = par.Transform.AnimVal;
svgMatrix = svgTList.Consolidate().Matrix.Multiply(svgMatrix);
par = par.ParentNode as SvgTransformableElement;
}
}
if (svgMatrix.IsIdentity)
{
transform = Transform.Identity;
return(false);
}
transform = new MatrixTransform(ToWpfMatrix(svgMatrix));
return(true);
}
protected void SetTransform(GdiGraphics gr)
{
if (_svgElement is ISvgTransformable)
{
if (_transformMatrix == null)
{
ISvgTransformable transElm = (ISvgTransformable)_svgElement;
SvgTransformList svgTList = (SvgTransformList)transElm.Transform.AnimVal;
SvgMatrix svgMatrix = ((SvgTransformList)transElm.Transform.AnimVal).TotalMatrix;
_transformMatrix = new Matrix((float)svgMatrix.A, (float)svgMatrix.B, (float)svgMatrix.C,
(float)svgMatrix.D, (float)svgMatrix.E, (float)svgMatrix.F);
}
gr.Transform = _transformMatrix;
}
}
public static Matrix GetTransformMatrix(SvgElement element)
{
ISvgTransformable transElm = element as ISvgTransformable;
if (transElm == null)
{
return(Matrix.Identity);
}
SvgTransformList svgTList = (SvgTransformList)transElm.Transform.AnimVal;
SvgTransform svgTransform = (SvgTransform)svgTList.Consolidate();
SvgMatrix svgMatrix = ((SvgTransformList)transElm.Transform.AnimVal).TotalMatrix;
return(new Matrix(svgMatrix.A, svgMatrix.B, svgMatrix.C,
svgMatrix.D, svgMatrix.E, svgMatrix.F));
}
protected void Transform(GraphicsWrapper gr)
{
if (element is ISvgTransformable)
{
if (TransformMatrix == null)
{
ISvgTransformable transElm = (ISvgTransformable)element;
SvgTransformList svgTList = (SvgTransformList)transElm.Transform.AnimVal;
//SvgTransform svgTransform = (SvgTransform)svgTList.Consolidate();
SvgMatrix svgMatrix = ((SvgTransformList)transElm.Transform.AnimVal).TotalMatrix;
TransformMatrix = new Matrix(
(float)svgMatrix.A,
(float)svgMatrix.B,
(float)svgMatrix.C,
(float)svgMatrix.D,
(float)svgMatrix.E,
(float)svgMatrix.F);
}
gr.Transform = TransformMatrix;
}
}
public static Matrix GetTransformMatrix(SvgElement element, TransformGroup transform)
{
ISvgTransformable transElm = element as ISvgTransformable;
if (transElm == null)
{
return(Matrix.Identity);
}
SvgTransformList svgTList = (SvgTransformList)transElm.Transform.AnimVal;
SvgTransform svgTransform = (SvgTransform)svgTList.Consolidate();
SvgMatrix svgMatrix = ((SvgTransformList)transElm.Transform.AnimVal).TotalMatrix;
var matrix = new Matrix(svgMatrix.A, svgMatrix.B, svgMatrix.C,
svgMatrix.D, svgMatrix.E, svgMatrix.F);
if (!matrix.IsIdentity)
{
transform.Children.Add(new MatrixTransform(matrix));
}
return(matrix);
}
protected void SetTransform(WpfDrawingContext context)
{
_transformMatrix = null;
ISvgTransformable transElm = _svgElement as ISvgTransformable;
if (transElm != null)
{
SvgTransformList transformList = (SvgTransformList)transElm.Transform.AnimVal;
if (transformList.NumberOfItems > 1 && _combineTransforms == false)
{
TransformGroup transformGroup = new TransformGroup();
List <Transform> transforms = new List <Transform>();
for (uint i = 0; i < transformList.NumberOfItems; i++)
{
ISvgTransform transform = transformList.GetItem(i);
double[] values = transform.InputValues;
switch (transform.TransformType)
{
case SvgTransformType.Translate:
if (values.Length == 1)
{
// SetTranslate(values[0], 0);
//transformGroup.Children.Add(new TranslateTransform(values[0], 0));
transforms.Add(new TranslateTransform(values[0], 0));
}
else if (values.Length == 2)
{
// SetTranslate(values[0], values[1]);
//transformGroup.Children.Add(new TranslateTransform(values[0], values[1]));
transforms.Add(new TranslateTransform(values[0], values[1]));
}
break;
case SvgTransformType.Rotate:
if (values.Length == 1)
{
// SetRotate(values[0]);
//transformGroup.Children.Add(new RotateTransform(values[0]));
transforms.Add(new RotateTransform(values[0]));
}
else if (values.Length == 3)
{
// SetRotate(values[0], values[1], values[2]);
//transformGroup.Children.Add(new RotateTransform(values[0], values[1], values[2]));
transforms.Add(new RotateTransform(values[0], values[1], values[2]));
}
break;
case SvgTransformType.Scale:
if (values.Length == 1)
{
//SetScale(values[0], values[0]);
transformGroup.Children.Add(new ScaleTransform(values[0], values[0]));
}
else if (values.Length == 2)
{
//SetScale(values[0], values[1]);
//transformGroup.Children.Add(new ScaleTransform(values[0], values[1]));
transforms.Add(new ScaleTransform(values[0], values[1]));
}
break;
case SvgTransformType.SkewX:
if (values.Length == 1)
{
//SetSkewX(values[0]);
//transformGroup.Children.Add(new SkewTransform(values[0], 0));
transforms.Add(new SkewTransform(values[0], 0));
}
break;
case SvgTransformType.SkewY:
if (values.Length == 1)
{
//SetSkewY(values[0]);
//transformGroup.Children.Add(new SkewTransform(0, values[0]));
transforms.Add(new SkewTransform(0, values[0]));
}
break;
case SvgTransformType.Matrix:
if (values.Length == 6)
{
//SetMatrix(new SvgMatrix(values[0], values[1], values[2], values[3], values[4], values[5]));
//transformGroup.Children.Add(new MatrixTransform(values[0], values[1], values[2], values[3], values[4], values[5]));
transforms.Add(new MatrixTransform(values[0], values[1], values[2], values[3], values[4], values[5]));
}
break;
}
}
transforms.Reverse();
transformGroup.Children = new TransformCollection(transforms);
_transformMatrix = transformGroup;
//_transformMatrix = new MatrixTransform(transformGroup.Value);
return;
}
SvgMatrix svgMatrix = transformList.TotalMatrix;
if (svgMatrix.IsIdentity)
{
return;
}
_transformMatrix = new MatrixTransform(Math.Round(svgMatrix.A, 4), Math.Round(svgMatrix.B, 4),
Math.Round(svgMatrix.C, 4), Math.Round(svgMatrix.D, 4),
Math.Round(svgMatrix.E, 4), Math.Round(svgMatrix.F, 4));
}
}
