public WpfDrawingContext(bool isFragment, WpfDrawingSettings settings)
{
var sysParam = typeof(SystemParameters);
var dpiXProperty = sysParam.GetProperty("DpiX", BindingFlags.NonPublic | BindingFlags.Static);
var dpiYProperty = sysParam.GetProperty("Dpi", BindingFlags.NonPublic | BindingFlags.Static);
_dpiX = (int)dpiXProperty.GetValue(null, null);
_dpiY = (int)dpiYProperty.GetValue(null, null);
if (settings == null)
{
settings = new WpfDrawingSettings();
}
_quickBounds = Rect.Empty;
_isFragment = isFragment;
_settings = settings;
_drawStack = new Stack <DrawingGroup>();
_paintContexts = new Dictionary <string, WpfSvgPaintContext>(StringComparer.Ordinal);
_baseUrls = new HashSet <string>(StringComparer.OrdinalIgnoreCase);
_registeredIds = settings[RegisteredIdKey] as HashSet <string>;
if (_registeredIds == null)
{
_registeredIds = new HashSet <string>(StringComparer.OrdinalIgnoreCase);
settings[RegisteredIdKey] = _registeredIds;
}
var visitors = settings.Visitors;
if (visitors != null)
{
WpfLinkVisitor linkVisitor = visitors.LinkVisitor;
if (linkVisitor != null)
{
_linkVisitor = linkVisitor;
}
WpfFontFamilyVisitor fontFamilyVisitor = visitors.FontFamilyVisitor;
if (fontFamilyVisitor != null)
{
_fontFamilyVisitor = fontFamilyVisitor;
}
WpfEmbeddedImageVisitor imageVisitor = visitors.ImageVisitor;
if (imageVisitor != null)
{
_imageVisitor = imageVisitor;
}
WpfIDVisitor idVisitor = visitors.IDVisitor;
if (idVisitor != null)
{
_idVisitor = idVisitor;
}
WpfClassVisitor classVisitor = visitors.ClassVisitor;
if (classVisitor != null)
{
_classVisitor = classVisitor;
}
}
}
public void Initialize(WpfLinkVisitor linkVisitor, WpfFontFamilyVisitor fontFamilyVisitor,
WpfEmbeddedImageVisitor imageVisitor)
{
//TODO: Depreciate this operation as we have more visitors...
if (linkVisitor != null)
{
_linkVisitor = linkVisitor;
}
if (fontFamilyVisitor != null)
{
_fontFamilyVisitor = fontFamilyVisitor;
}
if (imageVisitor != null)
{
_imageVisitor = imageVisitor;
}
_rootDrawing = new DrawingGroup();
this.Push(_rootDrawing);
if (_idVisitor != null && !_idVisitor.IsInitialized)
{
_idVisitor.Initialize(this);
}
if (_linkVisitor != null && !_linkVisitor.IsInitialized)
{
_linkVisitor.Initialize(this);
}
if (_classVisitor != null && !_classVisitor.IsInitialized)
{
_classVisitor.Initialize(this);
}
if (_fontFamilyVisitor != null && !_fontFamilyVisitor.IsInitialized)
{
_fontFamilyVisitor.Initialize(this);
}
if (_imageVisitor != null && !_imageVisitor.IsInitialized)
{
_imageVisitor.Initialize(this);
}
if (_linkVisitor != null && _linkVisitor.Aggregates)
{
_linkDrawing = new DrawingGroup();
string groupId = _linkVisitor.AggregatedLayerName;
if (!string.IsNullOrWhiteSpace(groupId))
{
Runtime.SvgObject.SetName(_linkDrawing, groupId);
}
_linkVisitor.Initialize(_linkDrawing, this);
}
}
public WpfDrawingContext(bool isFragment, WpfDrawingSettings settings)
{
if (settings == null)
{
settings = new WpfDrawingSettings();
}
_quickBounds = Rect.Empty;
_isFragment = isFragment;
_settings = settings;
_drawStack = new Stack <DrawingGroup>();
_paintContexts = new Dictionary <string, WpfSvgPaintContext>(StringComparer.Ordinal);
_registeredIds = settings[RegisteredIdKey] as HashSet <string>;
if (_registeredIds == null)
{
_registeredIds = new HashSet <string>(StringComparer.OrdinalIgnoreCase);
settings[RegisteredIdKey] = _registeredIds;
}
var visitors = settings.Visitors;
if (visitors != null)
{
WpfLinkVisitor linkVisitor = visitors.LinkVisitor;
if (linkVisitor != null)
{
_linkVisitor = linkVisitor;
}
WpfFontFamilyVisitor fontFamilyVisitor = visitors.FontFamilyVisitor;
if (fontFamilyVisitor != null)
{
_fontFamilyVisitor = fontFamilyVisitor;
}
WpfEmbeddedImageVisitor imageVisitor = visitors.ImageVisitor;
if (imageVisitor != null)
{
_imageVisitor = imageVisitor;
}
WpfIDVisitor idVisitor = visitors.IDVisitor;
if (idVisitor != null)
{
_idVisitor = idVisitor;
}
WpfClassVisitor classVisitor = visitors.ClassVisitor;
if (classVisitor != null)
{
_classVisitor = classVisitor;
}
}
}
public void Initialize(WpfLinkVisitor linkVisitor, WpfFontFamilyVisitor fontFamilyVisitor,
WpfEmbeddedImageVisitor imageVisitor)
{
_linkVisitor = linkVisitor;
_fontFamilyVisitor = fontFamilyVisitor;
_imageVisitor = imageVisitor;
_rootDrawing = new DrawingGroup();
this.Push(_rootDrawing);
if (_linkVisitor != null && _linkVisitor.Aggregates)
{
_linkDrawing = new DrawingGroup();
string groupId = _linkVisitor.AggregatedLayerName;
if (!string.IsNullOrWhiteSpace(groupId))
{
Runtime.SvgObject.SetName(_linkDrawing, groupId);
}
linkVisitor.Initialize(_linkDrawing, this);
}
}
public void Initialize(WpfLinkVisitor linkVisitor, WpfFontFamilyVisitor fontFamilyVisitor,
WpfEmbeddedImageVisitor imageVisitor)
{
_linkVisitor = linkVisitor;
_fontFamilyVisitor = fontFamilyVisitor;
_imageVisitor = imageVisitor;
_rootDrawing = new DrawingGroup();
this.Push(_rootDrawing);
if (_linkVisitor != null && _linkVisitor.Aggregates)
{
_linkDrawing = new DrawingGroup();
string groupId = _linkVisitor.AggregatedLayerName;
if (!string.IsNullOrWhiteSpace(groupId))
{
_linkDrawing.SetValue(FrameworkElement.NameProperty, groupId);
}
linkVisitor.Initialize(_linkDrawing, this);
}
}
private ImageSource GetBitmap(SvgImageElement element, WpfDrawingContext context)
{
if (element.IsSvgImage)
{
return(null);
}
if (element.Href == null)
{
return(null);
}
if (!element.Href.AnimVal.StartsWith("data:", StringComparison.OrdinalIgnoreCase))
{
SvgUriReference svgUri = element.UriReference;
string absoluteUri = svgUri.AbsoluteUri;
if (string.IsNullOrWhiteSpace(absoluteUri))
{
return(null); // most likely, the image does not exist...
}
if (absoluteUri.StartsWith("#", StringComparison.OrdinalIgnoreCase))
{
Trace.WriteLine("Uri: " + absoluteUri); // image elements can't reference elements in an svg file
return(null);
}
Uri imageUri = new Uri(svgUri.AbsoluteUri);
if (imageUri.IsFile)
{
if (File.Exists(imageUri.LocalPath))
{
BitmapImage imageSource = new BitmapImage();
imageSource.BeginInit();
imageSource.CacheOption = BitmapCacheOption.OnLoad;
imageSource.CreateOptions = BitmapCreateOptions.IgnoreImageCache
| BitmapCreateOptions.PreservePixelFormat;
imageSource.UriSource = imageUri;
imageSource.EndInit();
// imageSource.Freeze();
return(imageSource);
}
return(null);
}
else
{
Stream stream = svgUri.ReferencedResource.GetResponseStream();
BitmapImage imageSource = new BitmapImage();
imageSource.BeginInit();
imageSource.CacheOption = BitmapCacheOption.OnLoad;
imageSource.CreateOptions = BitmapCreateOptions.IgnoreImageCache
| BitmapCreateOptions.PreservePixelFormat;
imageSource.StreamSource = stream;
imageSource.EndInit();
// imageSource.Freeze();
return(imageSource);
}
}
else
{
WpfEmbeddedImageVisitor imageVisitor = context.ImageVisitor;
if (imageVisitor != null)
{
ImageSource visitorSource = imageVisitor.Visit(element, context);
if (visitorSource != null)
{
return(visitorSource);
}
}
string sURI = element.Href.AnimVal.Replace(" ", "");
int nColon = sURI.IndexOf(":", StringComparison.OrdinalIgnoreCase);
int nSemiColon = sURI.IndexOf(";", StringComparison.OrdinalIgnoreCase);
int nComma = sURI.IndexOf(",", StringComparison.OrdinalIgnoreCase);
string sMimeType = sURI.Substring(nColon + 1, nSemiColon - nColon - 1);
string sContent = sURI.Substring(nComma + 1);
byte[] bResult = Convert.FromBase64CharArray(sContent.ToCharArray(),
0, sContent.Length);
BitmapImage imageSource = new BitmapImage();
imageSource.BeginInit();
imageSource.CreateOptions = BitmapCreateOptions.PreservePixelFormat;
imageSource.StreamSource = new MemoryStream(bResult);
imageSource.EndInit();
// imageSource.Freeze();
return(imageSource);
}
}
private BitmapSource GetBitmap(SvgImageElement element, WpfDrawingContext context)
{
if (element.IsSvgImage)
{
return(null);
}
if (!element.Href.AnimVal.StartsWith("data:"))
{
SvgUriReference svgUri = element.UriReference;
string absoluteUri = svgUri.AbsoluteUri;
if (String.IsNullOrEmpty(absoluteUri))
{
return(null); // most likely, the image does not exist...
}
Uri imageUri = new Uri(svgUri.AbsoluteUri);
if (imageUri.IsFile)
{
if (File.Exists(imageUri.LocalPath))
{
BitmapImage imageSource = new BitmapImage();
imageSource.BeginInit();
imageSource.CreateOptions = BitmapCreateOptions.PreservePixelFormat;
imageSource.UriSource = imageUri;
imageSource.EndInit();
return(imageSource);
}
return(null);
}
else
{
Stream stream = svgUri.ReferencedResource.GetResponseStream();
BitmapImage imageSource = new BitmapImage();
imageSource.BeginInit();
imageSource.CreateOptions = BitmapCreateOptions.PreservePixelFormat;
imageSource.StreamSource = stream;
imageSource.EndInit();
return(imageSource);
}
}
else
{
WpfEmbeddedImageVisitor imageVisitor = context.ImageVisitor;
if (imageVisitor != null)
{
BitmapSource visitorSource = imageVisitor.Visit(element, context);
if (visitorSource != null)
{
return(visitorSource);
}
}
string sURI = element.Href.AnimVal;
int nColon = sURI.IndexOf(":");
int nSemiColon = sURI.IndexOf(";");
int nComma = sURI.IndexOf(",");
string sMimeType = sURI.Substring(nColon + 1, nSemiColon - nColon - 1);
string sContent = sURI.Substring(nComma + 1);
byte[] bResult = Convert.FromBase64CharArray(sContent.ToCharArray(),
0, sContent.Length);
BitmapImage imageSource = new BitmapImage();
imageSource.BeginInit();
imageSource.CreateOptions = BitmapCreateOptions.PreservePixelFormat;
imageSource.StreamSource = new MemoryStream(bResult);
imageSource.EndInit();
return(imageSource);
}
}
