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);
}
}
public override void Render(WpfDrawingRenderer renderer)
{
_isAggregated = false;
if (_isLayer)
{
base.Render(renderer);
return;
}
WpfDrawingContext context = renderer.Context;
Geometry clipGeom = this.ClipGeometry;
Transform transform = this.Transform;
float opacityValue = -1;
SvgAElement element = (SvgAElement)_svgElement;
string opacity = element.GetPropertyValue("opacity");
if (string.IsNullOrWhiteSpace(opacity))
{
opacity = element.GetPropertyValue("opacity");
}
if (opacity != null && opacity.Length > 0)
{
opacityValue = (float)SvgNumber.ParseNumber(opacity);
opacityValue = Math.Min(opacityValue, 1);
opacityValue = Math.Max(opacityValue, 0);
}
WpfLinkVisitor linkVisitor = context.LinkVisitor;
if (linkVisitor != null || clipGeom != null || transform != null || opacityValue >= 0)
{
_drawGroup = new DrawingGroup();
string elementId = this.GetElementName();
if (!string.IsNullOrWhiteSpace(elementId) && !context.IsRegisteredId(elementId))
{
_drawGroup.SetValue(FrameworkElement.NameProperty, elementId);
context.RegisterId(elementId);
if (context.IncludeRuntime)
{
SvgObject.SetId(_drawGroup, elementId);
}
}
string elementClass = this.GetElementClass();
if (!string.IsNullOrWhiteSpace(elementClass) && context.IncludeRuntime)
{
SvgObject.SetClass(_drawGroup, elementClass);
}
DrawingGroup currentGroup = context.Peek();
if (currentGroup == null)
{
throw new InvalidOperationException("An existing group is expected.");
}
if (linkVisitor != null && linkVisitor.Aggregates && context.Links != null)
{
if (!linkVisitor.Exists(elementId))
{
context.Links.Children.Add(_drawGroup);
}
}
else
{
currentGroup.Children.Add(_drawGroup);
}
context.Push(_drawGroup);
if (clipGeom != null)
{
_drawGroup.ClipGeometry = clipGeom;
}
if (transform != null)
{
_drawGroup.Transform = transform;
}
if (opacityValue >= 0)
{
_drawGroup.Opacity = opacityValue;
}
string sVisibility = element.GetPropertyValue("visibility");
string sDisplay = element.GetPropertyValue("display");
if (string.Equals(sVisibility, "hidden") || string.Equals(sDisplay, "none"))
{
opacityValue = 0;
_drawGroup.Opacity = 0;
}
if (linkVisitor != null)
{
linkVisitor.Visit(_drawGroup, element, context, opacityValue);
_isAggregated = linkVisitor.IsAggregate;
}
}
base.Render(renderer);
}
public override void Render(WpfDrawingRenderer renderer)
{
_isAggregated = false;
if (_isLayer)
{
base.Render(renderer);
return;
}
var comparer = StringComparison.OrdinalIgnoreCase;
WpfDrawingContext context = renderer.Context;
Geometry clipGeom = this.ClipGeometry;
Transform transform = this.Transform;
float opacityValue = -1;
SvgAElement element = (SvgAElement)_svgElement;
string opacity = element.GetPropertyValue("opacity");
if (string.IsNullOrWhiteSpace(opacity))
{
opacity = element.GetPropertyValue("opacity");
}
if (!string.IsNullOrWhiteSpace(opacity))
{
opacityValue = (float)SvgNumber.ParseNumber(opacity);
opacityValue = Math.Min(opacityValue, 1);
opacityValue = Math.Max(opacityValue, 0);
}
WpfLinkVisitor linkVisitor = context.LinkVisitor;
if (linkVisitor != null || clipGeom != null || transform != null || (opacityValue >= 0 && opacityValue < 1))
{
_drawGroup = new DrawingGroup();
string elementId = this.GetElementName();
if (!string.IsNullOrWhiteSpace(elementId) && !context.IsRegisteredId(elementId))
{
SvgObject.SetName(_drawGroup, elementId);
context.RegisterId(elementId);
if (context.IncludeRuntime)
{
SvgObject.SetId(_drawGroup, elementId);
}
}
string elementClass = this.GetElementClass();
if (!string.IsNullOrWhiteSpace(elementClass) && context.IncludeRuntime)
{
SvgObject.SetClass(_drawGroup, elementClass);
}
DrawingGroup currentGroup = context.Peek();
if (currentGroup == null)
{
throw new InvalidOperationException("An existing group is expected.");
}
if (linkVisitor != null && linkVisitor.Aggregates && context.Links != null)
{
if (!linkVisitor.Exists(elementId))
{
context.Links.Children.Add(_drawGroup);
}
}
else
{
currentGroup.Children.Add(_drawGroup);
}
context.Push(_drawGroup);
if (clipGeom != null)
{
_drawGroup.ClipGeometry = clipGeom;
}
if (transform != null)
{
_drawGroup.Transform = transform;
}
if ((opacityValue >= 0 && opacityValue < 1))
{
_drawGroup.Opacity = opacityValue;
}
string sVisibility = element.GetPropertyValue(CssConstants.PropVisibility);
string sDisplay = element.GetPropertyValue(CssConstants.PropDisplay);
if (string.Equals(sVisibility, CssConstants.ValHidden, comparer) ||
string.Equals(sDisplay, CssConstants.ValNone, comparer))
{
opacityValue = 0;
_drawGroup.Opacity = 0;
}
if (linkVisitor != null)
{
linkVisitor.Visit(_drawGroup, element, context, opacityValue);
_isAggregated = linkVisitor.IsAggregate;
}
}
// Register this drawing with the Drawing-Document...
this.Rendered(_drawGroup);
base.Render(renderer);
}
