//called when data for any output pin is requested
public void Evaluate(int SpreadMax)
{
//update
if (FSVGIn.IsChanged || FSizeIn.IsChanged || FBackgroundIn.IsChanged ||
FIgnoreView.IsChanged || FViewIn.IsChanged || FResized)
{
FResized = false;
FSVGDoc = new SvgDocument();
foreach (var elem in FSVGIn)
{
if (elem != null)
{
FSVGDoc.Children.Add(elem);
}
}
FSVGDoc.Transforms = new SvgTransformCollection();
//set view
if (!FIgnoreView[0])
{
var view = FViewIn[0];
if (view.Equals(SvgViewBox.Empty))
{
view = new SvgViewBox(-1, -1, 2, 2);
}
FSVGDoc.ViewBox = view;
}
//calc size
FSize.Width = FSizeIn[0].X;
FSize.Height = FSizeIn[0].Y;
if (FSize == SizeF.Empty)
{
FSize = new SizeF(this.Width, this.Height);
}
//set size and output doc
FSVGDoc.Width = new SvgUnit(SvgUnitType.User, Math.Max(FSize.Width, 1));
FSVGDoc.Height = new SvgUnit(SvgUnitType.User, Math.Max(FSize.Height, 1));
FOutput[0] = new SvgDoc(FSVGDoc, FBackgroundIn[0].Color);
FSizeOutput[0] = new Vector2(FSize.Width, FSize.Height);
}
//render to window
if (FThisNode.Window != null)
{
if (FBitMap == null)
{
FBitMap = new Bitmap((int)Math.Ceiling(FSVGDoc.Width), (int)Math.Ceiling(FSVGDoc.Height));
}
else if (FBitMap.Height != FSVGDoc.Height || FBitMap.Width != FSVGDoc.Width)
{
FBitMap.Dispose();
FBitMap = new Bitmap((int)Math.Ceiling(FSVGDoc.Width), (int)Math.Ceiling(FSVGDoc.Height));
}
//clear bitmap
var g = Graphics.FromImage(FBitMap);
g.Clear(FBackgroundIn[0].Color);
g.Dispose();
FSVGDoc.Draw(FBitMap);
FPicBox.Image = FBitMap;
}
}
#pragma warning restore
#endregion fields & pins
//called when data for any output pin is requested
public void Evaluate(int SpreadMax)
{
if (InputChanged() || FBackgroundIn.IsChanged || FReloadIn[0])
{
FDocOut.SliceCount = SpreadMax;
FLayerOut.SliceCount = SpreadMax;
FViewOut.SliceCount = SpreadMax;
FHasViewOut.SliceCount = SpreadMax;
FSizeOut.SliceCount = SpreadMax;
FHasSizeOut.SliceCount = SpreadMax;
for (int i = 0; i < SpreadMax; i++)
{
var doc = ReadDocument(i);
if (doc != null)
{
FDocOut[i] = new SvgDoc(doc, FBackgroundIn[i].Color);
var spread = FLayerOut[i];
spread.SliceCount = doc.Children.Count;
for (int j = 0; j < spread.SliceCount; j++)
{
spread[j] = doc.Children[j];
}
//check view and size
var noView = doc.ViewBox.Equals(SvgViewBox.Empty);
var hp = new SvgUnit(SvgUnitType.Percentage, 100);
var noSize = (doc.Width == hp && doc.Height == hp);
var view = doc.ViewBox;
if (noView)
{
if (noSize)
{
view = doc.Bounds;
}
else
{
view = doc.GetDimensions();
}
doc.ViewBox = view;
}
if (noSize)
{
doc.Width = new SvgUnit(SvgUnitType.User, view.Width);
doc.Height = new SvgUnit(SvgUnitType.User, view.Height);
}
FViewOut[i] = view;
FHasViewOut[i] = !noView;
var size = doc.GetDimensions();
FSizeOut[i] = new Vector2D(size.Width, size.Height);
FHasSizeOut[i] = !noSize;
}
else
{
FDocOut[i] = new SvgDoc();
FLayerOut[i].SliceCount = 0;
FViewOut[i] = new SvgViewBox();
FHasViewOut[i] = false;
FSizeOut[i] = new Vector2D();
FHasSizeOut[i] = false;
}
}
}
//FLogger.Log(LogType.Debug, "hi tty!");
}
