private void ProcessModifyWorldTransform(byte[] recordData)
{
MemoryStream _ms = null;
BinaryReader _br = null;
try {
_ms = new MemoryStream(recordData);
_br = new BinaryReader(_ms);
var eM11 = _br.ReadSingle();
var eM12 = _br.ReadSingle();
var eM21 = _br.ReadSingle();
var eM22 = _br.ReadSingle();
var eDx = _br.ReadSingle();
var eDy = _br.ReadSingle();
var iMode = (EmfTransformMode)_br.ReadInt32();
using (var matrix = new SVG.Gaps.Matrix(eM11, eM12, eM21, eM22, eDx, eDy)) {
switch (iMode)
{
case EmfTransformMode.MWT_IDENTITY:
_transform = new SVG.Gaps.Matrix();
break;
case EmfTransformMode.MWT_LEFTMULTIPLY:
_transform.Multiply(matrix, MatrixOrder.Append /* TODO: is it the correct order? */);
break;
case EmfTransformMode.MWT_RIGHTMULTIPLY:
_transform.Multiply(matrix, MatrixOrder.Prepend /* TODO: is it the correct order? */);
break;
default:
throw new NotImplementedException();
}
}
System.Diagnostics.Debug.Assert(_ms.Position == _ms.Length);
} finally {
_br?.Close();
_ms?.Dispose();
}
}
public void EnumerateMetafile(Stream emf, float unitSize, PointF destination, DrawLineDelegate drawLine, FillPolygonDelegate fillPolygon)
{
_transform = new SVG.Gaps.Matrix();
_drawLine = drawLine;
_fillPolygon = fillPolygon;
_zero = destination;
_lineBuffer = new LineBuffer(unitSize);
_objects = new Dictionary <uint, ObjectHandle>();
_brush = null;
using (var reader = new EmfTools.EmfReader(emf)) {
while (!reader.IsEndOfFile)
{
if (reader.Read() is EmfTools.EmfUnknownRecord record)
{
Enumerate(record);
}
}
}
CommitLine();
}
public SvgTransformList(SVG.Gaps.Matrix m)
{
var tr = new SvgTransform(m);
_t.Add(tr);
}
