static void GetDimensionsPath(XPathNavigator node, double x, double y, ref double xMin, ref double yMin, ref double xMax, ref double yMax)
{
var reader = new PathReader(node.GetAttribute("d", string.Empty));
bool lastCommandRelative = false;
while (reader.ReadNext())
{
if (reader.Command != '\0')
{
lastCommandRelative = char.IsLower(reader.Command);
}
else
{
if (lastCommandRelative)
{
x += reader.X;
y += reader.Y;
}
else
{
x = reader.X;
y = reader.Y;
}
if (xMin > x)
{
xMin = x;
}
if (yMin > y)
{
yMin = y;
}
if (xMax < x)
{
xMax = x;
}
if (yMax < y)
{
yMax = y;
}
}
}
}
void TransformPathNode(XPathNavigator node, double dx, double dy)
{
var reader = new PathReader(node.GetAttribute("d", string.Empty));
bool lastCommandRelative = false;
bool lastWasCommand = true;
var sb = new StringBuilder();
while (reader.ReadNext())
{
if (reader.Command != '\0')
{
lastCommandRelative = char.IsLower(reader.Command);
sb.Append(reader.Command);
lastWasCommand = true;
}
else
{
if (!lastWasCommand)
{
sb.Append(' ');
}
if (lastCommandRelative)
{
sb.Append(reader.X);
sb.Append(' ');
sb.Append(reader.Y);
}
else
{
sb.Append(reader.X + dx);
sb.Append(' ');
sb.Append(reader.Y + dy);
}
lastWasCommand = false;
}
}
SetAttr(node, "d", sb.ToString());
}
