/// <summary>
/// Background task work method.
/// </summary>
private void DoPrepareSvg(object sender, DoWorkEventArgs e)
{
// Lock to allow only one of these operations at a time.
lock (_updateLock)
{
KanjiDao dao = new KanjiDao();
// Get the kanji strokes.
KanjiStrokes strokes = dao.GetKanjiStrokes(_kanjiEntity.DbKanji.ID);
if (strokes != null && strokes.FramesSvg.Length > 0)
{
// If the strokes was successfuly retrieved, we have to read the compressed SVG contained inside.
SharpVectors.Renderers.Wpf.WpfDrawingSettings settings = new SharpVectors.Renderers.Wpf.WpfDrawingSettings();
using (FileSvgReader r = new FileSvgReader(settings))
{
// Unzip the stream and remove instances of "px" that are problematic for SharpVectors.
string svgString = StringCompressionHelper.Unzip(strokes.FramesSvg);
svgString = svgString.Replace("px", string.Empty);
StrokesCount = Regex.Matches(svgString, "<circle").Count;
using (MemoryStream stream = new MemoryStream(Encoding.UTF8.GetBytes(svgString)))
{
// Then read the stream to a DrawingGroup.
// We are forced to do this operation on the UI thread because DrawingGroups must
// be always manipulated by the same thread.
DispatcherHelper.Invoke(() =>
{
StrokesDrawingGroup = r.Read(stream);
SetCurrentStroke(1);
});
}
}
}
}
}
internal static DrawingGroup SvgFileToWpfObject(string filepath, WpfDrawingSettings wpfDrawingSettings)
{
if (wpfDrawingSettings == null) //use defaults if null
wpfDrawingSettings = new WpfDrawingSettings { IncludeRuntime = false, TextAsGeometry = false, OptimizePath = true };
var reader = new FileSvgReader(wpfDrawingSettings);
//this is straight forward, but in this version of the dlls there is an error when name starts with a digit
//var uri = new Uri(Path.GetFullPath(filepath));
//reader.Read(uri); //accessing using the filename results is problems with the uri (if the dlls are packed in ressources)
//return reader.Drawing;
//this should be faster, but using CreateReader will loose text items like "JOG" ?!
//using (var stream = File.OpenRead(Path.GetFullPath(filepath)))
//{
// //workaround: error when Id starts with a number
// var doc = XDocument.Load(stream);
// ReplaceIdsWithNumbers(doc.Root); //id="3d-view-icon" -> id="_3d-view-icon"
// using (var xmlReader = doc.CreateReader())
// {
// reader.Read(xmlReader);
// return reader.Drawing;
// }
//}
//workaround: error when Id starts with a number
var doc = XDocument.Load(Path.GetFullPath(filepath));
FixIds(doc.Root); //id="3d-view-icon" -> id="_3d-view-icon"
using (var ms = new MemoryStream())
{
doc.Save(ms);
ms.Position = 0;
reader.Read(ms);
return reader.Drawing;
}
}
private void OnWindowLoaded(object sender, RoutedEventArgs e)
{
// 1. Create conversion options
WpfDrawingSettings settings = new WpfDrawingSettings();
settings.IncludeRuntime = true;
settings.TextAsGeometry = false;
// 2. Select a file to be converted
string svgTestFile = "Test.svg";
// 3. Create a file reader
FileSvgReader converter = new FileSvgReader(settings);
// 4. Read the SVG file
DrawingGroup drawing = converter.Read(svgTestFile);
if (drawing != null)
{
svgImage.Source = new DrawingImage(drawing);
using (StringWriter textWriter = new StringWriter())
{
if (converter.Save(textWriter))
{
svgBox.Text = textWriter.ToString();
}
}
}
}
public static bool TryConvert(byte[] bytes, out DrawingGroup drawing)
{
drawing = null;
if (bytes == null || bytes.Length == 0)
{
return(false);
}
using (var stream = new MemoryStream(bytes))
{
try
{
var settings = new WpfDrawingSettings
{
IncludeRuntime = true,
TextAsGeometry = false
};
var converter = new FileSvgReader(settings);
drawing = converter.Read(stream);
}
catch (Exception)
{
return(false);
}
}
return(true);
}
public static ImageSource GetSVGImageSource(string svgXml, out Exception svgException)
{
ImageSource imageSource = null;
try
{
WpfDrawingSettings settings = new WpfDrawingSettings();
settings.IncludeRuntime = true;
settings.TextAsGeometry = true;
settings.OptimizePath = true;
//settings.CultureInfo = ;
using (var stringReader = new StringReader(svgXml))
{
using (FileSvgReader reader = new FileSvgReader(settings))
{
DrawingGroup drawGroup = reader.Read(stringReader);
if (drawGroup != null)
{
svgException = null;
return(new DrawingImage(drawGroup));
}
}
}
}
catch (Exception e1)
{
svgException = e1;
return(null);
}
svgException = null;
return(imageSource);
}
public override object ProvideValue(IServiceProvider serviceProvider)
{
var settings = new WpfDrawingSettings
{
IncludeRuntime = IncludeRuntime,
TextAsGeometry = TextAsGeometry,
OptimizePath = OptimizePath
};
if (Culture != null)
{
settings.CultureInfo = Culture;
}
using (FileSvgReader fileSvgReader = new FileSvgReader(settings))
{
using (var svgStream = new MemoryStream(Source))
{
var drawingGroup = fileSvgReader.Read(svgStream);
if (Size.HasValue)
{
var rect = drawingGroup.Bounds;
drawingGroup.Transform = new ScaleTransform(Size.Value.Width / rect.Width, Size.Value.Height / rect.Height);
}
if (drawingGroup != null)
{
return(new DrawingImage(drawingGroup));
}
}
}
return(null);
}
private bool ConvertDocument()
{
try
{
if (string.IsNullOrWhiteSpace(_svgFilePath) || File.Exists(_svgFilePath) == false)
{
return(false);
}
DrawingGroup drawing = _fileReader.Read(_svgFilePath, _directoryInfo);
if (drawing == null)
{
return(false);
}
if (_xamlPage != null && !string.IsNullOrWhiteSpace(_xamlFilePath))
{
if (File.Exists(_xamlFilePath))
{
_xamlPage.LoadDocument(_xamlFilePath);
// Delete the file after loading it...
File.Delete(_xamlFilePath);
}
}
_currentDrawing = drawing;
Rect drawingBounds = drawing.Bounds;
svgDrawing.UnloadDiagrams();
svgDrawing.RenderDiagrams(drawing);
zoomPanControl.InvalidateMeasure();
Rect bounds = drawing.Bounds;
//zoomPanControl.AnimatedScaleToFit();
//Rect rect = new Rect(0, 0,
// mainFrame.RenderSize.Width, mainFrame.RenderSize.Height);
//Rect rect = new Rect(0, 0,
// bounds.Width, bounds.Height);
if (bounds.IsEmpty)
{
bounds = new Rect(0, 0, viewerFrame.ActualWidth, viewerFrame.ActualHeight);
}
zoomPanControl.AnimatedZoomTo(bounds);
return(true);
}
catch (Exception ex)
{
//svgDrawing.Source = null;
svgDrawing.UnloadDiagrams();
this.ReportError(ex);
return(false);
}
}
/// <see cref="IDiagramRenderer.Render(Stream)"/>
public ImageSource Render(Stream imageData)
{
using (var reader = new StreamReader(imageData))
using (var converter = new FileSvgReader(settings))
{
var drawingGroup = converter.Read(reader);
return(CreateFrozenDrawing(drawingGroup));
}
}
public void Handwheel1() //pure svg# without any modifications
{
var fileReader = new FileSvgReader(null);
DrawingGroup drawing = fileReader.Read("TestFiles\\Handwheel.svg");
XmlXamlWriter writer = new XmlXamlWriter(null);
var xaml = writer.Save(drawing);
CheckXamlOutput(xaml);
}
public void Handwheel1() //pure svg# without any modifications
{
var fileReader = new FileSvgReader(null);
DrawingGroup drawing = fileReader.Read("TestFiles\\Handwheel.svg");
XmlXamlWriter writer = new XmlXamlWriter(null);
var xaml = writer.Save(drawing);
Console.WriteLine(xaml);
Clipboard.SetText(xaml);
}
public void LoadDocument(string svgFilePath, string pngFilePath)
{
this.UnloadDocument();
BitmapImage bitmap = null;
try
{
bitmap = new BitmapImage(new Uri(pngFilePath));
pngResult.Source = bitmap;
}
catch
{
throw;
}
try
{
DrawingGroup drawing = _fileReader.Read(svgFilePath, _directoryInfo);
//if (bitmap != null)
//{
// drawing.ClipGeometry = new RectangleGeometry(
// new Rect(0, 0, bitmap.Width, bitmap.Height));
//}
//svgDrawing.Source = new DrawingImage(drawing);
svgDrawing.UnloadDiagrams();
svgDrawing.RenderDiagrams(drawing);
if (bitmap != null)
{
//SvgDrawingCanvas drawCanvas = svgDrawing.DrawingCanvas;
viewBox.Width = bitmap.Width;
viewBox.Height = bitmap.Height;
//svgDrawing.Width = bitmap.Width;
//svgDrawing.Height = bitmap.Height;
//SvgZoomableCanvas zoomableCanvas = svgDrawing.ZoomableCanvas;
////zoomableCanvas.Width = bitmap.Width;
////zoomableCanvas.Height = bitmap.Height;
//zoomableCanvas.FitWindow(new Size(bitmap.Width, bitmap.Height));
}
}
catch
{
//svgDrawing.Source = null;
svgDrawing.UnloadDiagrams();
throw;
}
}
public static DrawingGroup SvgToDrawingGroup(Stream stream)
{
FileSvgReader reader = new FileSvgReader(new WpfDrawingSettings
{
CultureInfo = CultureInfo.InvariantCulture,
IncludeRuntime = true,
});
reader.Read(stream);
return(reader.Drawing);
}
private void UpdateDrawing(string svgFilePath)
{
var wpfSettings = new WpfDrawingSettings();
wpfSettings.CultureInfo = wpfSettings.NeutralCultureInfo;
using (var textReader = new StreamReader(svgFilePath))
{
using (var fileReader = new FileSvgReader(wpfSettings))
{
_imageCount++;
try
{
if (_isVerbose)
{
this.AppendLine("Start Converting: " + svgFilePath);
}
else
{
_columnCount++;
AppendText("*");
if (_columnCount >= NumberOfColumns)
{
_columnCount = 0;
if (_imageCount < NumberOfImages)
{
AppendLine(string.Empty);
}
}
}
fileReader.SaveXaml = false;
fileReader.SaveZaml = false;
var drawing = fileReader.Read(textReader);
drawing.Freeze();
AppendImage(drawing, Path.GetFileNameWithoutExtension(svgFilePath));
if (_isVerbose)
{
this.AppendLine("Completed Converting: " + svgFilePath);
}
}
catch (Exception ex)
{
if (_isVerbose)
{
AppendClear();
}
this.AppendLine("File: " + svgFilePath);
AppendError(ex.ToString());
}
}
}
}
public SVGExplorer(string svgFile)
{
FileSvgReader fr = new FileSvgReader(false, false,
new DirectoryInfo(Environment.CurrentDirectory),
null);
fr.DrawingSettings.InteractiveMode = SvgInteractiveModes.Standard; //PAUL: Updates!
var dg = fr.Read(svgFile);
constructFromDrawing(dg, fr.DrawingDocument);
}
private DrawingImage LoadSvg(Stream svgStream)
{
if (svgStream == null)
{
return(null);
}
// Read the SVG file
DrawingGroup drawing = _converter.Read(svgStream);
if (drawing != null)
{
DomDocument = _converter.DomDocument;
ISvgSvgElement root = DomDocument.RootElement;
Color? fillColor = GetColor(root, @"fill");
Color? strokeColor = GetColor(root, @"stroke");
if (fillColor != null)
{
_BackgroundColor.ARGB = CommonFunction.CovertColorToInt(fillColor.Value);
_bSupportBackground = true;
FirePropertyChanged("vBackgroundColor");
}
if (strokeColor != null)
{
_StrokeColor.ARGB = CommonFunction.CovertColorToInt(strokeColor.Value);
_bSupportBorder = true;
FirePropertyChanged("vBorderLineColor");
}
string ratio = root.GetAttribute("preserveAspectRatio");
if (string.IsNullOrEmpty(ratio))
{
root.SetAttribute("preserveAspectRatio", "none");
GetApectRatio(root.GetAttribute("viewBox"));
}
MemoryStream stream = new MemoryStream();
(DomDocument as SvgDocument).Save(stream);
(_model as SVGModel).SVGUpdateStream = stream;
return(new DrawingImage(drawing));
}
else
{
DomDocument = null;
_bSupportBackground = false;
_bSupportBorder = false;
FirePropertyChanged("vBackgroundColor");
FirePropertyChanged("vBorderLineColor");
return(null);
}
}
/// <see cref="IDiagramRenderer.Render(Diagram)"/>
public ImageSource Render(Diagram diagram)
{
if (diagram.ImageFile == null || !diagram.ImageFile.Exists)
{
return(null);
}
using (var converter = new FileSvgReader(settings))
{
var drawingGroup = converter.Read(diagram.ImageFile.FullName);
return(CreateFrozenDrawing(drawingGroup));
}
}
public static ImageSource LoadTurtleImage()
{
var settings = new WpfDrawingSettings
{
IncludeRuntime = true,
TextAsGeometry = false
};
var converter = new FileSvgReader(settings);
var drawing = converter.Read(Path.Combine(GetProjectDir(), "assets", "Turtle1.svg"));
return(new DrawingImage(drawing));
}
private void Part8Button_Click(object sender, RoutedEventArgs e)
{
if (!_part8Complete)
{
//var layersList = _segmentLayers.Select(p => p.Value).ToList();
//_image.Layers = layersList;
//_svgImage = ToSvgString(_image, _segmentLayers, _options.SvgRendering);
_svgImage = new TracedImage(_segmentLayers, _loadedImage.Width, _loadedImage.Height).ToSvgString(_options.SvgRendering);
File.WriteAllText(_outputFilename, _svgImage);
//http://stackoverflow.com/questions/1879395/how-to-generate-a-stream-from-a-string
using (MemoryStream stream = new MemoryStream())
using (StreamWriter writer = new StreamWriter(stream))
{
writer.Write(_svgImage);
writer.Flush();
stream.Position = 0;
var wpfSettings = new WpfDrawingSettings();
wpfSettings.CultureInfo = wpfSettings.NeutralCultureInfo;
var reader = new FileSvgReader(wpfSettings);
_renderedSvg = reader.Read(stream);
//ZoomPanControl.ScaleToFit();
//CanvasScroller.Visibility = Visibility.Visible;
}
//SvgViewer.UnloadDiagrams();
CanvasScroller.Visibility = Visibility.Hidden;
SvgViewer.RenderDiagrams(_renderedSvg);
Rect bounds = SvgViewer.Bounds;
if (bounds.IsEmpty)
{
bounds = new Rect(0, 0, CanvasScroller.ActualWidth, CanvasScroller.ActualHeight);
}
ZoomPanControl.AnimatedZoomTo(bounds);
_part8Complete = true;
//Part8Button.IsEnabled = false;
}
else
{
CanvasScroller.Visibility = Visibility.Visible;
}
ImageDisplay.Source = BitmapToImageSource(CreateTransparentBitmap(_loadedImage.Width + 1, _loadedImage.Height + 1));
}
public static DrawingGroup SvgToDrawingGroup(string svgStr)
{
WpfDrawingSettings settings = new WpfDrawingSettings
{
CultureInfo = CultureInfo.InvariantCulture,
IncludeRuntime = true,
};
using (FileSvgReader reader = new FileSvgReader(settings))
{
reader.Read(svgStr);
return(reader.Drawing);
}
}
public static DrawingGroup ConvertToDrawingGroup(string svgContent)
{
var settings = new WpfDrawingSettings
{
IncludeRuntime = false,
TextAsGeometry = false,
OptimizePath = true
};
var converter = new FileSvgReader(settings);
using (var stream = new MemoryStream(Encoding.UTF8.GetBytes(svgContent)))
{
return(converter.Read(stream));
}
}
public static DrawingGroup SvgFileToWpfObject(string filepath)
{
var wpfDrawingSettings = new WpfDrawingSettings {
IncludeRuntime = false, TextAsGeometry = false, OptimizePath = true
};
var reader = new FileSvgReader(wpfDrawingSettings);
//workaround: error when Id starts with a number
var doc = XDocument.Load(filepath);
FixIds(doc.Root); //id="3d-view-icon" -> id="_3d-view-icon"
using (var ms = new MemoryStream())
{
doc.Save(ms);
ms.Position = 0;
reader.Read(ms);
return(reader.Drawing);
}
}
public static string ConvertToXaml(string svgContent)
{
var settings = new WpfDrawingSettings
{
IncludeRuntime = false,
TextAsGeometry = false,
OptimizePath = true
};
var converter = new FileSvgReader(settings);
using (var stream = new MemoryStream(Encoding.UTF8.GetBytes(svgContent)))
{
var dg = converter.Read(stream);
SetSizeToGeometries(dg);
RemoveObjectNames(dg);
return(SvgObjectToXaml(new DrawingImage(dg), settings.IncludeRuntime, "Icon"));
}
}
/// <summary>
/// Creates an image source from a local image.
/// </summary>
/// <param name="imagePath">The path to the image, or the name of the icon in the assets directory.</param>
/// <param name="color">The color, for monochrome vectors.</param>
/// <returns>null if the image is not supported.</returns>
public static ImageSource?CreateImageSource(string imagePath, Color?color = null)
{
ImageSource?result;
try
{
if (!imagePath.Contains('/'))
{
imagePath = GetBarIconFile(imagePath) ?? imagePath;
}
if (Path.GetExtension(imagePath) == ".svg")
{
using FileSvgReader svg = new FileSvgReader(new WpfDrawingSettings());
DrawingGroup drawingGroup = svg.Read(imagePath);
if (color.HasValue)
{
ChangeDrawingColor(drawingGroup, color.Value);
}
result = new DrawingImage(drawingGroup);
}
else
{
BitmapImage image = new BitmapImage();
image.BeginInit();
image.CacheOption = BitmapCacheOption.OnLoad;
image.UriSource = new Uri(imagePath);
image.EndInit();
result = image;
}
}
catch (Exception e) when(e is NotSupportedException || e is XmlException || e is SvgException)
{
result = null;
}
return(result);
}
private async void RebuildDcr(string rawDcr, string editWindowString, string name = "Full merge graph", bool buildInMemoryDcr = true)
{
var dcrGraph = _dcrGraph;
try
{
var svg = await DcrToSvg.GetSvgFromDcr(rawDcr);
var settings = new WpfDrawingSettings
{
IncludeRuntime = true,
TextAsGeometry = true,
OptimizePath = true
};
var converter = new FileSvgReader(settings);
var drawingGroup = converter.Read(new MemoryStream(Encoding.UTF8.GetBytes(svg)));
Model.DcrImage = new DrawingImage(drawingGroup);
if (buildInMemoryDcr)
{
dcrGraph = new DcrGraph(rawDcr, dcrGraph?.StrictActivities, editWindowString, name);
}
}
catch (Exception e)
{
return;
}
_dcrGraph = dcrGraph;
//Used if need to be able to execute
//Model.Events.Clear();
//foreach (var activity in _dcrGraph.GetExecutableActivityNames())
//{
// Model.Events.Add(activity);
//}
}
public ImageSource GetImageSource(byte[] bytes)
{
var settings = new WpfDrawingSettings();
using (var fileSvgReader = new FileSvgReader(settings))
{
using (var svgStream = new MemoryStream(bytes))
{
var drawingGroup = fileSvgReader.Read(svgStream);
if (_size.HasValue)
{
var rect = drawingGroup.Bounds;
drawingGroup.Transform = new ScaleTransform(_size.Value.Width / rect.Width, _size.Value.Height / rect.Height);
}
if (drawingGroup != null)
{
return(new DrawingImage(drawingGroup));
}
return(null);
}
}
}
public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
{
var image = new Image();
image.Stretch = Stretch.Uniform;
if (value is string imagePaths)
{
var imagePath = new FileInfo(imagePaths);
if (imagePath.Extension.ToUpper() == ".SVG")
{
var settings = new WpfDrawingSettings
{
TextAsGeometry = false,
IncludeRuntime = true,
};
var converter = new FileSvgReader(settings);
var drawing = converter.Read(imagePath.FullName);
if (drawing != null)
{
var drawImage = new DrawingImage(drawing);
image.Source = drawImage;
}
}
else
{
var bitmapSource = new BitmapImage(new Uri(imagePath.FullName));
image.Source = bitmapSource;
}
}
return(image);
}
private DrawingImage LoadSvg(Stream svgStream)
{
if (svgStream == null)
{
return(null);
}
// Create conversion options
WpfDrawingSettings settings = new WpfDrawingSettings();
settings.IncludeRuntime = true;
settings.TextAsGeometry = false;
// Create a file reader
FileSvgReader converter = new FileSvgReader(settings);
// Read the SVG file
DrawingGroup drawing = converter.Read(svgStream);
if (drawing != null)
{
return(new DrawingImage(drawing));
}
return(null);
}
public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
{
var dravingImage = new DrawingImage();
if (!(value is FileEntityViewModel viewModel))
{
return(dravingImage);
}
var imagePath = ChromEr.Instance.IconsManager.GetIconPath(viewModel);
if (imagePath.Extension.ToUpper() == ".SVG")
{
var settings = new WpfDrawingSettings
{
TextAsGeometry = false,
IncludeRuntime = true,
};
var converter = new FileSvgReader(settings);
var drawing = converter.Read(imagePath.FullName);
if (drawing != null)
{
return(new DrawingImage(drawing));
}
}
else
{
var bitmapSource = new BitmapImage(new Uri(imagePath.FullName));
return(bitmapSource);
}
return(dravingImage);
}
protected DrawingImage getCachedImageFromName(string name)
{
if (_cache.ContainsKey(name))
{
return(_cache[name]);
}
try
{
StreamResourceInfo sri = Application.GetResourceStream(new Uri(string.Format("Resources/symbols/{0}.svg", name), UriKind.Relative));
if (sri != null)
{
using (Stream s = sri.Stream)
{
return(_cache[name] = new DrawingImage(converter.Read(sri.Stream)));
}
}
}
catch (Exception e)
{
Console.WriteLine(name + ":" + e.Message);
}
return(null);
}
/// <summary>
/// This converts the SVG resource specified by the Uri to <see cref="DrawingGroup"/>.
/// </summary>
/// <param name="svgSource">A <see cref="Uri"/> specifying the source of the SVG resource.</param>
/// <returns>A <see cref="DrawingGroup"/> of the converted SVG resource.</returns>
private DrawingGroup GetDrawing(Uri svgSource)
{
WpfDrawingSettings settings = new WpfDrawingSettings();
settings.IncludeRuntime = false;
settings.TextAsGeometry = true;
settings.OptimizePath = true;
StreamResourceInfo svgStreamInfo = null;
if (svgSource.ToString().IndexOf("siteoforigin", StringComparison.OrdinalIgnoreCase) >= 0)
{
svgStreamInfo = Application.GetRemoteStream(svgSource);
}
else
{
svgStreamInfo = Application.GetResourceStream(svgSource);
}
Stream svgStream = (svgStreamInfo != null) ? svgStreamInfo.Stream : null;
if (svgStream != null)
{
string fileExt = IoPath.GetExtension(svgSource.ToString());
bool isCompressed = !string.IsNullOrWhiteSpace(fileExt) &&
string.Equals(fileExt, ".svgz", StringComparison.OrdinalIgnoreCase);
if (isCompressed)
{
using (svgStream)
{
using (var zipStream = new GZipStream(svgStream, CompressionMode.Decompress))
{
using (FileSvgReader reader = new FileSvgReader(settings))
{
DrawingGroup drawGroup = reader.Read(zipStream);
if (drawGroup != null)
{
return(drawGroup);
}
}
}
}
}
else
{
using (svgStream)
{
using (FileSvgReader reader = new FileSvgReader(settings))
{
DrawingGroup drawGroup = reader.Read(svgStream);
if (drawGroup != null)
{
return(drawGroup);
}
}
}
}
}
return(null);
}
