private static int ConvertToXg(ConvertToXgOptions convertToXgOptions)
{
foreach (string inputFileName in convertToXgOptions.InputFiles)
{
SvgImporter.SvgImporter svgImporter = new SvgImporter.SvgImporter();
using FileStream inputStream = File.Open(inputFileName, FileMode.Open);
XCanvas xCanvas = svgImporter.Import(inputStream);
string outputFileName = Path.ChangeExtension(inputFileName, ".xg");
using FileStream outputStream = File.Open(outputFileName, FileMode.Create);
new XGraphicsExporter(xCanvas).Export(outputStream);
}
return(0);
}
public ICanvas Read(BinaryReader reader)
{
_reader = reader;
_natives = new Dictionary<int, INative>();
// read binary points
_bpoints = new Dictionary<int, BPoint>();
int length = _reader.ReadInt32();
for (int i = 0; i < length; i++)
{
var bpoint = ReadBPoint();
_bpoints.Add(bpoint.Id, bpoint);
}
// read canvas contents
var nativeType = ReadNativeType();
if (nativeType != NativeType.Canvas)
{
throw new InvalidDataException();
}
var canvas = new XCanvas()
{
Id = _reader.ReadInt32(),
Width = _reader.ReadDouble(),
Height = _reader.ReadDouble(),
Background = ReadColor(),
EnableSnap = _reader.ReadBoolean(),
SnapX = _reader.ReadDouble(),
SnapY = _reader.ReadDouble()
};
var children = canvas.Children;
while (reader.BaseStream.Position != reader.BaseStream.Length)
{
var type = ReadNativeType();
switch (type)
{
case NativeType.Pin:
children.Add(ReadPin());
break;
case NativeType.Line:
children.Add(ReadLine());
break;
case NativeType.Bezier:
children.Add(ReadBezier());
break;
case NativeType.QuadraticBezier:
children.Add(ReadQuadraticBezier());
break;
case NativeType.Arc:
children.Add(ReadArc());
break;
case NativeType.Rectangle:
children.Add(ReadRectangle());
break;
case NativeType.Ellipse:
children.Add(ReadEllipse());
break;
case NativeType.Text:
children.Add(ReadText());
break;
case NativeType.Block:
children.Add(ReadBlock());
break;
case NativeType.End:
_reader = null;
UpdatePointConnections();
return canvas;
default:
_reader = null;
throw new InvalidDataException();
}
}
_reader = null;
throw new InvalidDataException();
}
public XGraphicsExporter(XCanvas canvas) => _canvas = canvas;
private void PaintGraphicsElements(IEnumerable <IGraphicsElement> graphicsElements)
{
foreach (IGraphicsElement graphicsElement in graphicsElements)
{
ITransform?renderTransform = graphicsElement.RenderTransform;
if (renderTransform != null)
{
skCanvas.Save();
ApplyTransform(renderTransform, graphicsElement);
}
if (graphicsElement is IPath path)
{
PaintPath(path);
}
else if (graphicsElement is ICanvas canvas)
{
// TODO: Handle canvas offset / transform
PaintGraphicsElements(canvas.Children);
}
else if (graphicsElement is IShape shape)
{
SKPath skiaPath = NonPathShapeToSkiaPath(shape);
FillSkiaPath(skiaPath, shape);
StrokeSkiaPath(skiaPath, shape);
}
else if (graphicsElement is IImage image)
{
IImageSource imageSource = image.Source;
if (imageSource is ILoadableImageSource loadableImageSource)
{
LoadingStatus loadingStatus = loadableImageSource.LoadingStatus;
if (loadingStatus == LoadingStatus.NotStarted)
{
_imageLoader.LoadImage(loadableImageSource, null);
}
else if (loadingStatus == LoadingStatus.Succeeded)
{
LoadedImage loadedImage = loadableImageSource.LoadedImage !;
if (loadedImage is BitmapLoadedImage bitmapLoadedImage)
{
SKBitmap bitmap = (SKBitmap)bitmapLoadedImage.ImageObject;
// TODO: Render it
}
else if (loadedImage is VectorLoadedImage vectorLoadedImage)
{
XCanvas childCanvas = vectorLoadedImage.Canvas;
PaintGraphicsElements(childCanvas.Children);
}
}
}
}
else
{
throw new InvalidOperationException($"Unknown graphics element type {graphicsElement.GetType()}");
}
if (renderTransform != null)
{
skCanvas.Restore();
}
}
}
public VectorLoadedImage(XCanvas canvas)
{
Canvas = canvas;
}
public ICanvas Read(BinaryReader reader)
{
_reader = reader;
_natives = new Dictionary <int, INative>();
// read binary points
_bpoints = new Dictionary <int, BPoint>();
int length = _reader.ReadInt32();
for (int i = 0; i < length; i++)
{
var bpoint = ReadBPoint();
_bpoints.Add(bpoint.Id, bpoint);
}
// read canvas contents
var nativeType = ReadNativeType();
if (nativeType != NativeType.Canvas)
{
throw new InvalidDataException();
}
var canvas = new XCanvas()
{
Id = _reader.ReadInt32(),
Width = _reader.ReadDouble(),
Height = _reader.ReadDouble(),
Background = ReadColor(),
EnableSnap = _reader.ReadBoolean(),
SnapX = _reader.ReadDouble(),
SnapY = _reader.ReadDouble()
};
var children = canvas.Children;
while (reader.BaseStream.Position != reader.BaseStream.Length)
{
var type = ReadNativeType();
switch (type)
{
case NativeType.Pin:
children.Add(ReadPin());
break;
case NativeType.Line:
children.Add(ReadLine());
break;
case NativeType.Bezier:
children.Add(ReadBezier());
break;
case NativeType.QuadraticBezier:
children.Add(ReadQuadraticBezier());
break;
case NativeType.Arc:
children.Add(ReadArc());
break;
case NativeType.Rectangle:
children.Add(ReadRectangle());
break;
case NativeType.Ellipse:
children.Add(ReadEllipse());
break;
case NativeType.Text:
children.Add(ReadText());
break;
case NativeType.Block:
children.Add(ReadBlock());
break;
case NativeType.End:
_reader = null;
UpdatePointConnections();
return(canvas);
default:
_reader = null;
throw new InvalidDataException();
}
}
_reader = null;
throw new InvalidDataException();
}
