개정판 f1f822e9
issue #00000 svg 기능 수정
Change-Id: Ic1575964db1f861ca637c7073dfa382fee4bbcd4
| KCOM/Common/Converter/SvgImageConverter.cs | ||
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using Svg2Xaml; |
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using SharpVectors.Converters; |
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using SharpVectors.Dom.Utils; |
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using System; |
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using System.Collections.Generic; |
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using System.ComponentModel; |
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using System.Globalization; |
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using System.IO; |
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using System.Linq; |
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using System.Text; |
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using System.Threading.Tasks; |
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using System.Windows.Controls; |
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using System.Windows.Data; |
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using System.Windows.Markup; |
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using System.Windows.Media; |
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using System.Windows.Media.Imaging; |
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namespace KCOM.Common.Converter |
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{
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class SvgImageConverter : IValueConverter
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public class SvgImageConverter : SvgImageBase, IValueConverter
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{
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#region Private Fields |
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private Uri _baseUri; |
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private readonly UriTypeConverter _uriConverter; |
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#endregion |
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public SvgImageConverter() |
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{
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_uriConverter = new UriTypeConverter(); |
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} |
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public object Convert(object value, Type targetType, object parameter, CultureInfo culture) |
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{
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if(value == null)
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try
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{
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return null; |
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} |
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if (string.IsNullOrWhiteSpace(_appName)) |
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{
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if (this.IsDesignMode() || LicenseManager.UsageMode == LicenseUsageMode.Designtime) |
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{
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this.GetAppName(); |
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} |
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} |
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//var uri = string.Format("pack://application:,,,/images/{0}{1}.png", values); // for example
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var uri = value.ToString(); |
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Uri inputUri = null; |
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if (parameter != null) |
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{
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inputUri = this.ResolveUri(parameter.ToString()); |
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} |
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else if (value != null) |
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{
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inputUri = _uriConverter.ConvertFrom(value) as Uri; |
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if (inputUri == null) |
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{
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inputUri = this.ResolveUri(value.ToString()); |
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} |
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else if (!inputUri.IsAbsoluteUri) |
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{
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inputUri = this.ResolveUri(value.ToString()); |
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} |
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} |
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Image img = new Image(); |
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if (uri.Contains(".svg"))
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{
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byte[] imageData = null; |
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DrawingImage image = null; |
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using (System.Net.WebClient web = new System.Net.WebClient()) |
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if (inputUri == null) |
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{
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imageData = web.DownloadData(new Uri(uri)); |
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System.IO.Stream stream = new System.IO.MemoryStream(imageData); |
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image = SvgReader.Load(stream); |
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return null; |
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} |
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var svgSource = inputUri.IsAbsoluteUri ? inputUri : new Uri(_baseUri, inputUri); |
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if (svgSource.ToString().EndsWith(".svg"))
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{
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return this.GetImage(svgSource); |
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} |
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else |
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{
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return new BitmapImage(new Uri(value.ToString())); |
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} |
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img.Source = image; |
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} |
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else
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catch
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{
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img.Source = new BitmapImage(new Uri(uri));
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//throw; #82
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} |
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//return new BitmapImage(new Uri(uri)); |
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return img.Source; |
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return null; |
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} |
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public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture) |
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{
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throw new NotImplementedException(); |
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} |
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public override object ProvideValue(IServiceProvider serviceProvider) |
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{
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var uriContext = serviceProvider.GetService(typeof(IUriContext)) as IUriContext; |
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if (uriContext != null) |
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{
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_baseUri = uriContext.BaseUri; |
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} |
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return this; |
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} |
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#region Private Methods |
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/// <summary> |
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/// Converts the SVG source file to <see cref="Uri"/> |
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/// </summary> |
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/// <param name="inputParameter"> |
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/// Object that can provide services for the markup extension. |
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/// </param> |
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/// <returns> |
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/// Returns the valid <see cref="Uri"/> of the SVG source path if |
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/// successful; otherwise, it returns <see langword="null"/>. |
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/// </returns> |
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private Uri ResolveUri(string inputParameter) |
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{
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if (string.IsNullOrWhiteSpace(inputParameter)) |
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{
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return null; |
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} |
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if (string.IsNullOrWhiteSpace(_appName)) |
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{
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this.GetAppName(); |
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} |
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var comparer = StringComparison.OrdinalIgnoreCase; |
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Uri svgSource; |
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if (Uri.TryCreate(inputParameter, UriKind.RelativeOrAbsolute, out svgSource)) |
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{
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if (svgSource.IsAbsoluteUri) |
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{
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return svgSource; |
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} |
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// Try getting a local file in the same directory.... |
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string svgPath = inputParameter; |
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if (inputParameter[0] == '\\' || inputParameter[0] == '/') |
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{
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svgPath = inputParameter.Substring(1); |
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} |
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svgPath = svgPath.Replace('/', '\\');
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var assembly = this.GetExecutingAssembly(); |
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if (assembly != null) |
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{
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string localFile = PathUtils.Combine(assembly, svgPath); |
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if (File.Exists(localFile)) |
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{
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return new Uri(localFile); |
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} |
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} |
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// Try getting it as resource file... |
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var inputUri = _uriConverter.ConvertFrom(inputParameter) as Uri; |
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if (inputUri != null) |
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{
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if (inputUri.IsAbsoluteUri) |
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{
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return inputUri; |
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} |
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if (_baseUri != null) |
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{
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var validUri = new Uri(_baseUri, inputUri); |
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if (validUri.IsAbsoluteUri) |
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{
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if (validUri.IsFile && File.Exists(validUri.LocalPath)) |
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{
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return validUri; |
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} |
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} |
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} |
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} |
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string asmName = _appName; |
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if (string.IsNullOrWhiteSpace(asmName) && assembly != null) |
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{
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// It should not be the SharpVectors.Converters.Wpf.dll, which contains this extension... |
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string tempName = assembly.GetName().Name; |
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if (!string.Equals("SharpVectors.Converters.Wpf", tempName, comparer)
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&& !string.Equals("WpfSurface", tempName, comparer))
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{
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asmName = tempName; |
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} |
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} |
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svgPath = inputParameter; |
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if (inputParameter.StartsWith("/", comparer))
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{
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svgPath = svgPath.TrimStart('/');
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} |
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// A little hack to display preview in design mode |
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if (this.IsDesignMode() && !string.IsNullOrWhiteSpace(_appName)) |
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{
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//string uriDesign = string.Format("/{0};component/{1}", _appName, svgPath);
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//return new Uri(uriDesign, UriKind.Relative); |
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// The relative path is not working with the Converter... |
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string uriDesign = string.Format("pack://application:,,,/{0};component/{1}",
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_appName, svgPath); |
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return new Uri(uriDesign); |
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} |
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string uriString = string.Format("pack://application:,,,/{0};component/{1}",
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asmName, svgPath); |
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return new Uri(uriString); |
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} |
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return null; |
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} |
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#endregion |
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} |
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} |
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