/// <summary>
/// 处理拖拽导入的SVG文件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void ContainerGrid_OnDrop(object sender, DragEventArgs e)
{
try
{
var fileNames = e.Data.GetData(DataFormats.FileDrop, true) as string[];
if (fileNames == null || !fileNames.Any())
{
return;
}
var svgs = fileNames.Where(x => Path.GetExtension(x) == ".svg").ToArray();
if (!svgs.Any())
{
return;
}
var sb = new StringBuilder();
foreach (var svg in svgs)
{
var svgFileName = Path.GetFileNameWithoutExtension(svg);
Drawing drawing = _fileSvgReader.GetDrawingGroup(svg);
//去掉冗余的层次
while (drawing is DrawingGroup drawingGroup && (drawingGroup.Children.Count == 1))
{
var dr = drawingGroup.Children[0];
if (dr != null)
{
if (drawingGroup.Transform != null)
{
if (dr is DrawingGroup @group)
{
@group.Transform = drawingGroup.Transform;
}
else if (dr is GeometryDrawing geometryDrawing)
{
geometryDrawing.Geometry.Transform = drawingGroup.Transform;
}
}
drawing = dr;
}
else
{
break;
}
}
var drawingImage = new DrawingImage(drawing);
if (drawing is GeometryDrawing geometryDrawing1)
{
if (geometryDrawing1.Geometry is PathGeometry geo)
{
var pathGeometry = new PathGeometry();
foreach (var figure in geo.Figures)
{
pathGeometry.Figures.Add(figure);
}
var combineGeometry = Geometry.Combine(Geometry.Empty, pathGeometry,
GeometryCombineMode.Union, geometryDrawing1.Geometry.Transform);
geometryDrawing1.Geometry = combineGeometry;
drawing = geometryDrawing1;
}
}
var xaml = GetXaml(drawingImage);
var bounds = drawing.Bounds;
var image = new Image
{
Source = drawingImage,
Width = bounds.Width,
Height = bounds.Height,
ToolTip = $"{drawing.Bounds.Width},{drawing.Bounds.Height}",
SnapsToDevicePixels = true,
UseLayoutRounding = true,
Stretch = Stretch.None,
};
IconsContainer.Children.Add(image);
HintText.Text = string.Empty;
sb.Append(xaml);
sb.Append(Environment.NewLine);
sb.Append(Environment.NewLine);
sb.Replace("<DrawingImage xmlns", $"<DrawingImage x:Key=\"{svgFileName}\" xmlns");
}
//替换掉不需要的字符串
sb.Replace(" xmlns=\"http://schemas.microsoft.com/winfx/2006/xaml/presentation\"", string.Empty);
sb.Replace(" xmlns:x=\"http://schemas.microsoft.com/winfx/2006/xaml\"", string.Empty);
sb.Replace(" xmlns:svg=\"http://sharpvectors.codeplex.com/runtime/\"", string.Empty);
sb.Replace(" Pen=\"{x:Null}\"", string.Empty);
var result = sb.ToString();
result = Regex.Replace(result, " svg:SvgLink.Key=\".*\"", string.Empty);
result = Regex.Replace(result, " svg:SvgObject.Id=\".*\"", string.Empty);
result = Regex.Replace(result, "<PathGeometry FillRule=\"EvenOdd\" Figures=\"([^T]*?)\" />",
"<StreamGeometry>$1</StreamGeometry>");
var tempXamlFile = Path.Combine(Path.GetTempPath(), $"{Path.GetRandomFileName()}.xaml");
WriteToFile(result, tempXamlFile);
TryOpenXamlFile(tempXamlFile);
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
}
private void MainGrid_OnDrop(object sender, DragEventArgs e)
{
var wpfSettings = new WpfDrawingSettings();
wpfSettings.CultureInfo = wpfSettings.NeutralCultureInfo;
var fileSvgReader = new FileSvgReader(wpfSettings);
var tempSvgFile = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData), "Temp", "Svg2XamlTemp.svg");
try
{
var fileNames = e.Data.GetData(DataFormats.FileDrop, true) as string[];
if (fileNames == null || !fileNames.Any())
{
return;
}
var svgs = fileNames.Where(x => Path.GetExtension(x) == ".svg").ToArray();
if (!svgs.Any())
{
return;
}
foreach (var svg in svgs)
{
var content = File.ReadAllText(svg);
content = Regex.Replace(content, "<g id=\".*?\"", "<g");
File.WriteAllText(tempSvgFile, content);
var svgFileName = Path.GetFileNameWithoutExtension(svg);
if (svgFileName == null)
{
continue;
}
Drawing drawing = fileSvgReader.GetDrawingGroup(tempSvgFile);
while (drawing is DrawingGroup && (((DrawingGroup)drawing).Children.Count == 1))
{
var dr = ((DrawingGroup)drawing).Children[0];
if (dr != null)
{
drawing = dr;
}
else
{
break;
}
}
var drawingImage = new DrawingImage(drawing);
var resourceDictionary = _allDictList.FirstOrDefault(x => x.Contains(svgFileName) && x.MergedDictionaries.Count < 1)
?? _allDictList.FirstOrDefault(x => SvgMatchDict(x, svgFileName))
?? _allDictList.OrderBy(x => x.Count).LastOrDefault();
if (resourceDictionary != null)
{
if (svgFileName.StartsWith("Image."))
{
resourceDictionary[svgFileName] = drawingImage;
}
else if (svgFileName.StartsWith("Geometry."))
{
var gd = drawingImage.Drawing as GeometryDrawing;
if (gd != null)
{
var geomtry = gd.Geometry;
resourceDictionary[svgFileName] = geomtry;
}
else
{
MessageBox.Show($"Geometry 类型的 SVG 文件 {svgFileName}.svg 不符合规范");
}
}
if (!_updateDictList.Contains(resourceDictionary))
{
_updateDictList.Add(resourceDictionary);
}
}
}
Save();
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
}
