private System.Drawing.Drawing2D.PathData _GetPathData()
{
int num = Marshal.SizeOf(typeof(GPPOINTF));
int pointCount = this.PointCount;
System.Drawing.Drawing2D.PathData data = new System.Drawing.Drawing2D.PathData {
Types = new byte[pointCount]
};
IntPtr ptr = Marshal.AllocHGlobal((int)(3 * IntPtr.Size));
IntPtr structure = Marshal.AllocHGlobal((int)(num * pointCount));
try
{
GCHandle handle = GCHandle.Alloc(data.Types, GCHandleType.Pinned);
try
{
IntPtr ptr3 = handle.AddrOfPinnedObject();
Marshal.StructureToPtr(pointCount, ptr, false);
Marshal.StructureToPtr(structure, (IntPtr)(((long)ptr) + IntPtr.Size), false);
Marshal.StructureToPtr(ptr3, (IntPtr)(((long)ptr) + (2 * IntPtr.Size)), false);
int status = SafeNativeMethods.Gdip.GdipGetPathData(new HandleRef(this, this.nativePath), ptr);
if (status != 0)
{
throw SafeNativeMethods.Gdip.StatusException(status);
}
data.Points = SafeNativeMethods.Gdip.ConvertGPPOINTFArrayF(structure, pointCount);
}
finally
{
handle.Free();
}
}
finally
{
Marshal.FreeHGlobal(ptr);
Marshal.FreeHGlobal(structure);
}
return(data);
}
public override void DrawPath(GraphicsPath gfxPath)
{
var innerPath2 = gfxPath.InnerPath2;
if (innerPath2 == null)
{
System.Drawing.Drawing2D.PathData pathData = gfxPath.GetPathData() as System.Drawing.Drawing2D.PathData;
PixelFarm.Agg.VertexStore vxs = new PixelFarm.Agg.VertexStore();
PixelFarm.Agg.GdiPathConverter.ConvertToVxs(pathData, vxs);
PixelFarm.Agg.VertexSource.CurveFlattener flattener = new PixelFarm.Agg.VertexSource.CurveFlattener();
vxs = flattener.MakeVxs2(vxs);
gfxPath.InnerPath2 = vxs;
this.canvasGL2d.DrawVxs(vxs);
}
else
{
PixelFarm.Agg.VertexStore vxs = innerPath2 as PixelFarm.Agg.VertexStore;
if (vxs != null)
{
this.canvasGL2d.DrawVxs(vxs);
}
}
}
private PathData(System.Drawing.Drawing2D.PathData pathData)
{
WrappedPathData = pathData;
}
