// disable default rendering
public override void BeforeRender(WpfDrawingRenderer renderer)
{
base.BeforeRender(renderer);
_matrix = Matrix.Identity;
WpfDrawingContext context = renderer.Context;
_drawGroup = new DrawingGroup();
//string elementId = this.GetElementName();
//if (!String.IsNullOrEmpty(elementId))
//{
// _drawGroup.SetValue(FrameworkElement.NameProperty, elementId);
//}
DrawingGroup currentGroup = context.Peek();
if (currentGroup == null)
{
throw new InvalidOperationException("An existing group is expected.");
}
currentGroup.Children.Add(_drawGroup);
context.Push(_drawGroup);
}
public override void AfterRender(WpfDrawingRenderer renderer)
{
Debug.Assert(_drawGroup != null);
WpfDrawingContext context = renderer.Context;
DrawingGroup currentGroup = context.Peek();
if (currentGroup == null || currentGroup != _drawGroup)
{
throw new InvalidOperationException("An existing group is expected.");
}
// Remove the added group from the stack...
context.Pop();
// If the group is empty, we simply remove it...
if (_drawGroup.Children.Count == 0 && _drawGroup.ClipGeometry == null &&
_drawGroup.Transform == null)
{
currentGroup = context.Peek();
if (currentGroup != null)
{
currentGroup.Children.Remove(_drawGroup);
}
}
base.AfterRender(renderer);
}
public override void Render(WpfDrawingRenderer renderer)
{
Geometry clipGeom = this.ClipGeometry;
Transform transform = this.Transform;
if (clipGeom != null || transform != null)
{
WpfDrawingContext context = renderer.Context;
_drawGroup = new DrawingGroup();
DrawingGroup currentGroup = context.Peek();
if (currentGroup == null)
{
throw new InvalidOperationException("An existing group is expected.");
}
currentGroup.Children.Add(_drawGroup);
context.Push(_drawGroup);
if (clipGeom != null)
{
_drawGroup.ClipGeometry = clipGeom;
}
if (transform != null)
{
_drawGroup.Transform = transform;
}
}
base.Render(renderer);
}
/// <summary>
/// Initializes a new instance of the <see cref="FileSvgConverter"/> class
/// with the specified drawing or rendering settings and the saving options.
/// </summary>
/// <param name="saveXaml">
/// This specifies whether to save result object tree in XAML file.
/// </param>
/// <param name="saveZaml">
/// This specifies whether to save result object tree in ZAML file. The
/// ZAML is simply a G-Zip compressed XAML format, similar to the SVGZ.
/// </param>
/// <param name="settings">
/// This specifies the settings used by the rendering or drawing engine.
/// If this is <see langword="null"/>, the default settings is used.
/// </param>
public FileSvgConverter(bool saveXaml, bool saveZaml,
WpfDrawingSettings settings)
: base(saveXaml, saveZaml, settings)
{
_wpfRenderer = new WpfDrawingRenderer(this.DrawingSettings);
_wpfWindow = new WpfSvgWindow(640, 480, _wpfRenderer);
}
public override void BeforeRender(WpfDrawingRenderer renderer)
{
base.BeforeRender(renderer);
WpfDrawingContext context = renderer.Context;
_drawGroup = new DrawingGroup();
string elementId = this.GetElementName();
if (!String.IsNullOrEmpty(elementId) && !context.IsRegisteredId(elementId))
{
_drawGroup.SetValue(FrameworkElement.NameProperty, elementId);
context.RegisterId(elementId);
if (context.IncludeRuntime)
{
SvgObject.SetId(_drawGroup, elementId);
}
}
DrawingGroup currentGroup = context.Peek();
if (currentGroup == null)
{
throw new InvalidOperationException("An existing group is expected.");
}
currentGroup.Children.Add(_drawGroup);
context.Push(_drawGroup);
}
public override void AfterRender(WpfDrawingRenderer renderer)
{
if (_isLayer)
{
WpfDrawingContext context = renderer.Context;
context.Pop();
base.AfterRender(renderer);
return;
}
if (_drawGroup != null)
{
WpfDrawingContext context = renderer.Context;
if (context.IncludeRuntime)
{
// Add the element/object type...
SvgObject.SetType(_drawGroup, SvgObjectType.Link);
// Add title for tooltips, if any...
SvgTitleElement titleElement = this.GetTitleElement();
if (titleElement != null)
{
string titleValue = titleElement.InnerText;
if (!String.IsNullOrEmpty(titleValue))
{
SvgObject.SetTitle(_drawGroup, titleValue);
}
}
}
DrawingGroup currentGroup = context.Peek();
if (currentGroup == null || currentGroup != _drawGroup)
{
throw new InvalidOperationException("An existing group is expected.");
}
context.Pop();
// If not aggregated by a link visitor, we remove it from the links/animation and
// add it to the main drawing stack...
if (!_isAggregated)
{
if (context.Links.Children.Remove(_drawGroup))
{
currentGroup = context.Peek();
currentGroup.Children.Add(_drawGroup);
}
}
}
base.AfterRender(renderer);
}
public override void BeforeRender(WpfDrawingRenderer renderer)
{
if (renderer == null)
{
return;
}
WpfDrawingContext context = renderer.Context;
SetQuality(context);
SetTransform(context);
SetMask(context);
}
public override void AfterRender(WpfDrawingRenderer renderer)
{
Debug.Assert(_drawGroup != null);
WpfDrawingContext context = renderer.Context;
DrawingGroup currentGroup = context.Peek();
if (currentGroup == null || currentGroup != _drawGroup)
{
throw new InvalidOperationException("An existing group is expected.");
}
context.Pop();
base.AfterRender(renderer);
}
protected void SetMask(WpfDrawingContext context)
{
_maskUnits = SvgUnitType.UserSpaceOnUse;
_maskContentUnits = SvgUnitType.UserSpaceOnUse;
CssPrimitiveValue maskPath = _svgElement.GetComputedCssValue("mask", string.Empty) as CssPrimitiveValue;
SvgMaskElement maskElement = null;
if (maskPath != null && maskPath.PrimitiveType == CssPrimitiveType.Uri)
{
string absoluteUri = _svgElement.ResolveUri(maskPath.GetStringValue());
maskElement = _svgElement.OwnerDocument.GetNodeByUri(absoluteUri) as SvgMaskElement;
}
else if (string.Equals(_svgElement.ParentNode.LocalName, "use", StringComparison.OrdinalIgnoreCase))
{
var parentElement = _svgElement.ParentNode as SvgElement;
maskPath = parentElement.GetComputedCssValue("mask", string.Empty) as CssPrimitiveValue;
if (maskPath != null && maskPath.PrimitiveType == CssPrimitiveType.Uri)
{
string absoluteUri = _svgElement.ResolveUri(maskPath.GetStringValue());
maskElement = _svgElement.OwnerDocument.GetNodeByUri(absoluteUri) as SvgMaskElement;
}
}
if (maskElement != null)
{
if (maskElement.IsHiddenCss)
{
this.Masking = Brushes.Transparent;
return;
}
WpfDrawingRenderer renderer = new WpfDrawingRenderer();
renderer.Window = _svgElement.OwnerDocument.Window as SvgWindow;
WpfDrawingSettings settings = context.Settings.Clone();
settings.TextAsGeometry = true;
WpfDrawingContext maskContext = new WpfDrawingContext(true, settings);
//maskContext.Initialize(null, context.FontFamilyVisitor, null);
maskContext.Initialize(context.LinkVisitor, context.FontFamilyVisitor, context.ImageVisitor);
renderer.RenderMask(maskElement, maskContext);
DrawingGroup maskDrawing = renderer.Drawing;
if (maskDrawing.Children.Count == 0 || maskDrawing.Opacity == 0)
{
this.Masking = Brushes.Transparent;
return;
}
else if (maskDrawing.Children.Count == 1)
{
var childGroup = maskDrawing.Children[0] as DrawingGroup;
if (childGroup != null && (childGroup.Children.Count == 0 || childGroup.Opacity == 0))
{
this.Masking = Brushes.Transparent;
return;
}
}
Rect bounds = new Rect(0, 0, 1, 1);
//Rect destRect = GetMaskDestRect(maskElement, bounds);
//destRect = bounds;
//DrawingImage drawImage = new DrawingImage(image);
//DrawingVisual drawingVisual = new DrawingVisual();
//DrawingContext drawingContext = drawingVisual.RenderOpen();
//drawingContext.DrawDrawing(image);
//drawingContext.Close();
//RenderTargetBitmap drawImage = new RenderTargetBitmap((int)200,
// (int)200, 96, 96, PixelFormats.Pbgra32);
//drawImage.Render(drawingVisual);
//ImageBrush imageBrush = new ImageBrush(drawImage);
//imageBrush.Viewbox = image.Bounds;
//imageBrush.Viewport = image.Bounds;
//imageBrush.ViewboxUnits = BrushMappingMode.Absolute;
//imageBrush.ViewportUnits = BrushMappingMode.Absolute;
//imageBrush.TileMode = TileMode.None;
//imageBrush.Stretch = Stretch.None;
//this.Masking = imageBrush;
DrawingBrush maskBrush = new DrawingBrush(maskDrawing);
//tb.Viewbox = new Rect(0, 0, destRect.Width, destRect.Height);
//tb.Viewport = new Rect(0, 0, destRect.Width, destRect.Height);
maskBrush.Viewbox = maskDrawing.Bounds;
maskBrush.Viewport = maskDrawing.Bounds;
maskBrush.ViewboxUnits = BrushMappingMode.Absolute;
maskBrush.ViewportUnits = BrushMappingMode.Absolute;
maskBrush.TileMode = TileMode.None;
maskBrush.Stretch = Stretch.Uniform;
////maskBrush.AlignmentX = AlignmentX.Center;
////maskBrush.AlignmentY = AlignmentY.Center;
this.Masking = maskBrush;
_maskUnits = (SvgUnitType)maskElement.MaskUnits.AnimVal;
_maskContentUnits = (SvgUnitType)maskElement.MaskContentUnits.AnimVal;
}
}
public override void Render(WpfDrawingRenderer renderer)
{
if (_drawGroup != null)
{
if (!_matrix.IsIdentity)
{
_drawGroup.Transform = new MatrixTransform(_matrix);
}
Geometry clipGeom = this.ClipGeometry;
if (clipGeom != null)
{
_drawGroup.ClipGeometry = clipGeom;
}
//Transform transform = this.Transform;
//if (transform != null)
//{
// _drawGroup.Transform = transform;
//}
}
base.Render(renderer);
}
public override void Render(WpfDrawingRenderer renderer)
{
base.Render(renderer);
}
public override void BeforeRender(WpfDrawingRenderer renderer)
{
_isTextPath = false;
_isGroupAdded = false;
_textWidth = 0;
_isMeasuring = false;
WpfDrawingContext context = renderer.Context;
SvgRenderingHint hint = _svgElement.RenderingHint;
if (hint == SvgRenderingHint.Clipping)
{
return;
}
// We do not directly render the contents of the clip-path, unless specifically requested...
if (String.Equals(_svgElement.ParentNode.LocalName, "clipPath") &&
!context.RenderingClipRegion)
{
return;
}
string sVisibility = _textElement.GetPropertyValue("visibility");
string sDisplay = _textElement.GetPropertyValue("display");
if (String.Equals(sVisibility, "hidden") || String.Equals(sDisplay, "none"))
{
return;
}
_context = renderer.Context;
SetQuality(context);
SetTransform(context);
SetClip(_context);
SetMask(_context);
_drawGroup = new DrawingGroup();
string elementId = this.GetElementName();
if (!String.IsNullOrEmpty(elementId) && !context.IsRegisteredId(elementId))
{
_drawGroup.SetValue(FrameworkElement.NameProperty, elementId);
context.RegisterId(elementId);
if (context.IncludeRuntime)
{
SvgObject.SetId(_drawGroup, elementId);
}
}
Transform textTransform = this.Transform;
if (textTransform != null && !textTransform.Value.IsIdentity)
{
_drawGroup.Transform = textTransform;
}
else
{
textTransform = null; // render any identity transform useless...
}
Geometry textClip = this.ClipGeometry;
if (textClip != null && !textClip.IsEmpty())
{
_drawGroup.ClipGeometry = textClip;
}
else
{
textClip = null; // render any empty geometry useless...
}
Brush textMask = this.Masking;
if (textMask != null)
{
_drawGroup.OpacityMask = textMask;
}
if (textTransform != null || textClip != null || textMask != null)
{
DrawingGroup curGroup = _context.Peek();
Debug.Assert(curGroup != null);
if (curGroup != null)
{
curGroup.Children.Add(_drawGroup);
context.Push(_drawGroup);
_isGroupAdded = true;
}
}
_drawContext = _drawGroup.Open();
_horzRenderer.Initialize(_drawContext, _context);
_vertRenderer.Initialize(_drawContext, _context);
_pathRenderer.Initialize(_drawContext, _context);
}
public void RenderMarkerEx0(WpfDrawingRenderer renderer, WpfDrawingContext gr,
SvgMarkerPosition markerPos, SvgStyleableElement refElement)
{
//ISharpMarkerHost markerHostElm = (ISharpMarkerHost)refElement;
//SvgMarkerElement markerElm = (SvgMarkerElement)element;
//SvgPointF[] vertexPositions = markerHostElm.MarkerPositions;
//int start;
//int len;
//// Choose which part of the position array to use
//switch (markerPos)
//{
// case SvgMarkerPosition.Start:
// start = 0;
// len = 1;
// break;
// case SvgMarkerPosition.Mid:
// start = 1;
// len = vertexPositions.Length - 2;
// break;
// default:
// // == MarkerPosition.End
// start = vertexPositions.Length - 1;
// len = 1;
// break;
//}
//for (int i = start; i < start + len; i++)
//{
// SvgPointF point = vertexPositions[i];
// GdiGraphicsContainer gc = gr.BeginContainer();
// gr.TranslateTransform(point.X, point.Y);
// if (markerElm.OrientType.AnimVal.Equals((ushort)SvgMarkerOrient.Angle))
// {
// gr.RotateTransform((float)markerElm.OrientAngle.AnimVal.Value);
// }
// else
// {
// float angle;
// switch (markerPos)
// {
// case SvgMarkerPosition.Start:
// angle = markerHostElm.GetStartAngle(i + 1);
// break;
// case SvgMarkerPosition.Mid:
// //angle = (markerHostElm.GetEndAngle(i) + markerHostElm.GetStartAngle(i + 1)) / 2;
// angle = SvgNumber.CalcAngleBisection(markerHostElm.GetEndAngle(i), markerHostElm.GetStartAngle(i + 1));
// break;
// default:
// angle = markerHostElm.GetEndAngle(i);
// break;
// }
// gr.RotateTransform(angle);
// }
// if (markerElm.MarkerUnits.AnimVal.Equals((ushort)SvgMarkerUnit.StrokeWidth))
// {
// SvgLength strokeWidthLength = new SvgLength(refElement,
// "stroke-width", SvgLengthSource.Css, SvgLengthDirection.Viewport, "1");
// float strokeWidth = (float)strokeWidthLength.Value;
// gr.ScaleTransform(strokeWidth, strokeWidth);
// }
// SvgPreserveAspectRatio spar =
// (SvgPreserveAspectRatio)markerElm.PreserveAspectRatio.AnimVal;
// float[] translateAndScale = spar.FitToViewBox((SvgRect)markerElm.ViewBox.AnimVal,
// new SvgRect(0, 0, markerElm.MarkerWidth.AnimVal.Value,
// markerElm.MarkerHeight.AnimVal.Value));
// gr.TranslateTransform(-(float)markerElm.RefX.AnimVal.Value * translateAndScale[2],
// -(float)markerElm.RefY.AnimVal.Value * translateAndScale[3]);
// gr.ScaleTransform(translateAndScale[2], translateAndScale[3]);
// Clip(gr);
// renderer.RenderChildren(markerElm);
// gr.EndContainer(gc);
//}
}
public override void BeforeRender(WpfDrawingRenderer renderer)
{
base.BeforeRender(renderer);
_isAggregated = false;
if (_svgElement.FirstChild == _svgElement.LastChild)
{
SvgGElement gElement = _svgElement.FirstChild as SvgGElement;
if (gElement != null)
{
string elementId = gElement.GetAttribute("id");
if (!String.IsNullOrEmpty(elementId) &&
String.Equals(elementId, "IndicateLayer", StringComparison.OrdinalIgnoreCase))
{
WpfDrawingContext context = renderer.Context;
DrawingGroup animationGroup = context.Links;
if (animationGroup != null)
{
context.Push(animationGroup);
}
_isLayer = true;
}
}
}
}
protected void SetMask(WpfDrawingContext context)
{
_maskUnits = SvgUnitType.UserSpaceOnUse;
_maskContentUnits = SvgUnitType.UserSpaceOnUse;
CssPrimitiveValue maskPath = _svgElement.GetComputedCssValue(
"mask", String.Empty) as CssPrimitiveValue;
if (maskPath != null && maskPath.PrimitiveType == CssPrimitiveType.Uri)
{
string absoluteUri = _svgElement.ResolveUri(maskPath.GetStringValue());
SvgMaskElement maskElement =
_svgElement.OwnerDocument.GetNodeByUri(absoluteUri) as SvgMaskElement;
if (maskElement != null)
{
WpfDrawingRenderer renderer = new WpfDrawingRenderer();
renderer.Window = _svgElement.OwnerDocument.Window as SvgWindow;
WpfDrawingSettings settings = context.Settings.Clone();
settings.TextAsGeometry = true;
WpfDrawingContext maskContext = new WpfDrawingContext(true,
settings);
//maskContext.Initialize(null, context.FontFamilyVisitor, null);
maskContext.Initialize(context.LinkVisitor,
context.FontFamilyVisitor, context.ImageVisitor);
renderer.RenderMask(maskElement, maskContext);
Drawing image = renderer.Drawing;
Rect bounds = new Rect(0, 0, 1, 1);
//Rect destRect = GetMaskDestRect(maskElement, bounds);
//destRect = bounds;
//DrawingImage drawImage = new DrawingImage(image);
//DrawingVisual drawingVisual = new DrawingVisual();
//DrawingContext drawingContext = drawingVisual.RenderOpen();
//drawingContext.DrawDrawing(image);
//drawingContext.Close();
//RenderTargetBitmap drawImage = new RenderTargetBitmap((int)200,
// (int)200, 96, 96, PixelFormats.Pbgra32);
//drawImage.Render(drawingVisual);
//ImageBrush imageBrush = new ImageBrush(drawImage);
//imageBrush.Viewbox = image.Bounds;
//imageBrush.Viewport = image.Bounds;
//imageBrush.ViewboxUnits = BrushMappingMode.Absolute;
//imageBrush.ViewportUnits = BrushMappingMode.Absolute;
//imageBrush.TileMode = TileMode.None;
//imageBrush.Stretch = Stretch.None;
//this.Masking = imageBrush;
DrawingBrush maskBrush = new DrawingBrush(image);
//tb.Viewbox = new Rect(0, 0, destRect.Width, destRect.Height);
//tb.Viewport = new Rect(0, 0, destRect.Width, destRect.Height);
maskBrush.Viewbox = image.Bounds;
maskBrush.Viewport = image.Bounds;
maskBrush.ViewboxUnits = BrushMappingMode.Absolute;
maskBrush.ViewportUnits = BrushMappingMode.Absolute;
maskBrush.TileMode = TileMode.None;
maskBrush.Stretch = Stretch.Uniform;
////maskBrush.AlignmentX = AlignmentX.Center;
////maskBrush.AlignmentY = AlignmentY.Center;
this.Masking = maskBrush;
_maskUnits = (SvgUnitType)maskElement.MaskUnits.AnimVal;
_maskContentUnits = (SvgUnitType)maskElement.MaskContentUnits.AnimVal;
}
}
}
public override void Render(WpfDrawingRenderer renderer)
{
WpfDrawingContext context = renderer.Context;
SvgRenderingHint hint = _svgElement.RenderingHint;
if (hint != SvgRenderingHint.Shape || hint == SvgRenderingHint.Clipping)
{
return;
}
// We do not directly render the contents of the clip-path, unless specifically requested...
if (String.Equals(_svgElement.ParentNode.LocalName, "clipPath") &&
!context.RenderingClipRegion)
{
return;
}
SvgStyleableElement styleElm = (SvgStyleableElement)_svgElement;
string sVisibility = styleElm.GetPropertyValue("visibility");
string sDisplay = styleElm.GetPropertyValue("display");
if (String.Equals(sVisibility, "hidden") || String.Equals(sDisplay, "none"))
{
return;
}
DrawingGroup drawGroup = context.Peek();
Debug.Assert(drawGroup != null);
Geometry geometry = CreateGeometry(_svgElement, context.OptimizePath);
if (geometry != null && !geometry.IsEmpty())
{
SetClip(context);
WpfSvgPaint fillPaint = new WpfSvgPaint(context, styleElm, "fill");
string fileValue = styleElm.GetAttribute("fill");
Brush brush = fillPaint.GetBrush(geometry);
WpfSvgPaint strokePaint = new WpfSvgPaint(context, styleElm, "stroke");
Pen pen = strokePaint.GetPen();
if (brush != null || pen != null)
{
Transform transform = this.Transform;
if (transform != null && !transform.Value.IsIdentity)
{
geometry.Transform = transform;
if (brush != null)
{
Transform brushTransform = brush.Transform;
if (brushTransform == null || brushTransform == Transform.Identity)
{
brush.Transform = transform;
}
else
{
TransformGroup groupTransform = new TransformGroup();
groupTransform.Children.Add(brushTransform);
groupTransform.Children.Add(transform);
brush.Transform = groupTransform;
}
}
}
else
{
transform = null; // render any identity transform useless...
}
GeometryDrawing drawing = new GeometryDrawing(brush, pen, geometry);
string elementId = this.GetElementName();
if (!String.IsNullOrEmpty(elementId) && !context.IsRegisteredId(elementId))
{
SvgObject.SetName(drawing, elementId);
context.RegisterId(elementId);
if (context.IncludeRuntime)
{
SvgObject.SetId(drawing, elementId);
}
}
Brush maskBrush = this.Masking;
Geometry clipGeom = this.ClipGeometry;
if (clipGeom != null || maskBrush != null)
{
//Geometry clipped = Geometry.Combine(geometry, clipGeom,
// GeometryCombineMode.Exclude, null);
//if (clipped != null && !clipped.IsEmpty())
//{
// geometry = clipped;
//}
DrawingGroup clipMaskGroup = new DrawingGroup();
Rect geometryBounds = geometry.Bounds;
if (clipGeom != null)
{
clipMaskGroup.ClipGeometry = clipGeom;
SvgUnitType clipUnits = this.ClipUnits;
if (clipUnits == SvgUnitType.ObjectBoundingBox)
{
Rect drawingBounds = geometryBounds;
if (transform != null)
{
drawingBounds = transform.TransformBounds(drawingBounds);
}
TransformGroup transformGroup = new TransformGroup();
// Scale the clip region (at (0, 0)) and translate to the top-left corner of the target.
transformGroup.Children.Add(
new ScaleTransform(drawingBounds.Width, drawingBounds.Height));
transformGroup.Children.Add(
new TranslateTransform(drawingBounds.X, drawingBounds.Y));
clipGeom.Transform = transformGroup;
}
else
{
if (transform != null)
{
clipGeom.Transform = transform;
}
}
}
if (maskBrush != null)
{
SvgUnitType maskUnits = this.MaskUnits;
if (maskUnits == SvgUnitType.ObjectBoundingBox)
{
Rect drawingBounds = geometryBounds;
if (transform != null)
{
drawingBounds = transform.TransformBounds(drawingBounds);
}
TransformGroup transformGroup = new TransformGroup();
// Scale the clip region (at (0, 0)) and translate to the top-left corner of the target.
transformGroup.Children.Add(
new ScaleTransform(drawingBounds.Width, drawingBounds.Height));
transformGroup.Children.Add(
new TranslateTransform(drawingBounds.X, drawingBounds.Y));
DrawingGroup maskGroup = ((DrawingBrush)maskBrush).Drawing as DrawingGroup;
if (maskGroup != null)
{
DrawingCollection maskDrawings = maskGroup.Children;
for (int i = 0; i < maskDrawings.Count; i++)
{
Drawing maskDrawing = maskDrawings[i];
GeometryDrawing maskGeomDraw = maskDrawing as GeometryDrawing;
if (maskGeomDraw != null)
{
if (maskGeomDraw.Brush != null)
{
ConvertColors(maskGeomDraw.Brush);
}
if (maskGeomDraw.Pen != null)
{
ConvertColors(maskGeomDraw.Pen.Brush);
}
}
}
}
//if (transformGroup != null)
//{
// drawingBounds = transformGroup.TransformBounds(drawingBounds);
//}
//maskBrush.Viewbox = drawingBounds;
//maskBrush.ViewboxUnits = BrushMappingMode.Absolute;
//maskBrush.Stretch = Stretch.Uniform;
//maskBrush.Viewport = drawingBounds;
//maskBrush.ViewportUnits = BrushMappingMode.Absolute;
maskBrush.Transform = transformGroup;
}
else
{
if (transform != null)
{
maskBrush.Transform = transform;
}
}
clipMaskGroup.OpacityMask = maskBrush;
}
clipMaskGroup.Children.Add(drawing);
drawGroup.Children.Add(clipMaskGroup);
}
else
{
drawGroup.Children.Add(drawing);
}
}
}
RenderMarkers(renderer, styleElm, context);
}
public override void BeforeRender(WpfDrawingRenderer renderer)
{
base.BeforeRender(renderer);
}
public override void Render(WpfDrawingRenderer renderer)
{
base.Render(renderer);
}
public override void BeforeRender(WpfDrawingRenderer renderer)
{
base.BeforeRender(renderer);
WpfDrawingContext context = renderer.Context;
Geometry clipGeom = this.ClipGeometry;
Transform transform = this.Transform;
SvgUseElement useElement = (SvgUseElement)_svgElement;
string elementId = this.GetElementName();
float opacityValue = -1;
string opacity = useElement.GetAttribute("opacity");
if (string.IsNullOrWhiteSpace(opacity))
{
opacity = useElement.GetPropertyValue("opacity");
}
if (!string.IsNullOrWhiteSpace(opacity))
{
opacityValue = (float)SvgNumber.ParseNumber(opacity);
opacityValue = Math.Min(opacityValue, 1);
opacityValue = Math.Max(opacityValue, 0);
}
_drawGroup = new DrawingGroup();
DrawingGroup currentGroup = context.Peek();
if (currentGroup == null)
{
throw new InvalidOperationException("An existing group is expected.");
}
currentGroup.Children.Add(_drawGroup);
context.Push(_drawGroup);
if (clipGeom != null || transform != null || (opacityValue >= 0 && opacityValue < 1) ||
(!string.IsNullOrWhiteSpace(elementId) && !context.IsRegisteredId(elementId)))
{
if (clipGeom != null)
{
_drawGroup.ClipGeometry = clipGeom;
}
if (transform != null)
{
_drawGroup.Transform = transform;
}
if (opacityValue >= 0 && opacityValue < 1)
{
_drawGroup.Opacity = opacityValue;
}
if (!string.IsNullOrWhiteSpace(elementId) && !context.IsRegisteredId(elementId))
{
SvgObject.SetName(_drawGroup, elementId);
context.RegisterId(elementId);
if (context.IncludeRuntime)
{
SvgObject.SetId(_drawGroup, elementId);
}
}
}
}
public override void AfterRender(WpfDrawingRenderer renderer)
{
if (_horzRenderer != null)
{
_horzRenderer.Uninitialize();
_horzRenderer = null;
}
if (_vertRenderer != null)
{
_vertRenderer.Uninitialize();
_vertRenderer = null;
}
if (_pathRenderer != null)
{
_pathRenderer.Uninitialize();
_pathRenderer = null;
}
if (_drawContext != null)
{
_drawContext.Close();
_drawContext = null;
}
WpfDrawingContext context = renderer.Context;
// TODO-PAUL: Testing this for validity...
// Remove the GuidelineSet from the groups added by the FormattedText to reduced the
// size of output XAML...
if (_drawGroup != null)
{
ResetGuidelineSet(_drawGroup);
}
if (context.IncludeRuntime)
{
if (_drawGroup != null)
{
// Add the element/object type...
SvgObject.SetType(_drawGroup, SvgObjectType.Text);
// Add title for tooltips, if any...
SvgTitleElement titleElement = _svgElement.SelectSingleNode("title") as SvgTitleElement;
if (titleElement != null)
{
string titleValue = titleElement.InnerText;
if (!string.IsNullOrWhiteSpace(titleValue))
{
SvgObject.SetTitle(_drawGroup, titleValue);
}
}
}
}
if (!_isGroupAdded)
{
if (_drawGroup != null)
{
if (_isTextPath || _drawGroup.Transform != null || _drawGroup.ClipGeometry != null)
{
DrawingGroup curGroup = _context.Peek();
Debug.Assert(curGroup != null);
if (curGroup != null)
{
curGroup.Children.Add(_drawGroup);
}
}
else if (_drawGroup.Children.Count != 0)
{
DrawingGroup firstGroup = _drawGroup.Children[0] as DrawingGroup;
if (firstGroup != null && firstGroup.Children.Count != 0)
{
//Drawing firstDrawing = firstGroup.Children[0];
DrawingGroup curGroup = _context.Peek();
Debug.Assert(curGroup != null);
if (curGroup != null)
{
curGroup.Children.Add(_drawGroup);
}
}
}
}
}
else
{
if (_drawGroup != null)
{
DrawingGroup currentGroup = context.Peek();
if (currentGroup == null || currentGroup != _drawGroup)
{
throw new InvalidOperationException("An existing group is expected.");
}
context.Pop();
}
}
_context = null;
_drawGroup = null;
base.AfterRender(renderer);
}
public override void Render(WpfDrawingRenderer renderer)
{
if (_drawGroup == null || _drawContext == null)
{
return;
}
var comparer = StringComparison.OrdinalIgnoreCase;
Point ctp = new Point(0, 0); // current text position
WpfTextPlacement placement = WpfTextPlacement.Create(_textElement, ctp);
ctp = placement.Location;
double rotate = placement.Rotation;
if (!placement.HasPositions)
{
placement = null; // render it useless
}
string sBaselineShift = _textElement.GetPropertyValue("baseline-shift").Trim();
double shiftBy = 0;
if (sBaselineShift.Length > 0)
{
double textFontSize = WpfTextRenderer.GetComputedFontSize(_textElement);
if (sBaselineShift.EndsWith("%", comparer))
{
shiftBy = SvgNumber.ParseNumber(sBaselineShift.Substring(0,
sBaselineShift.Length - 1)) / 100 * textFontSize;
}
else if (string.Equals(sBaselineShift, "sub", comparer))
{
shiftBy = -0.6F * textFontSize;
}
else if (string.Equals(sBaselineShift, "super", comparer))
{
shiftBy = 0.6F * textFontSize;
}
else if (string.Equals(sBaselineShift, "baseline", comparer))
{
shiftBy = 0;
}
else
{
shiftBy = SvgNumber.ParseNumber(sBaselineShift);
}
}
// For for fonts loading in the background...
var svgDoc = _svgElement.OwnerDocument;
if (svgDoc.IsFontsLoaded == false)
{
//TODO: Use of SpinUntil is known to CPU heavy, but will work for now...
SpinWait.SpinUntil(() => svgDoc.IsFontsLoaded == true);
}
XmlNodeType nodeType = XmlNodeType.None;
bool isVertical = false;
string writingMode = _textElement.GetPropertyValue("writing-mode");
if (!string.IsNullOrWhiteSpace(writingMode) &&
string.Equals(writingMode, "tb", comparer))
{
isVertical = true;
}
if (_svgElement.ChildNodes.Count == 1)
{
XmlNode child = _svgElement.ChildNodes[0];
nodeType = child.NodeType;
if (nodeType == XmlNodeType.Text || nodeType == XmlNodeType.CDATA)
{
if (isVertical)
{
ctp.X -= shiftBy;
RenderVertText(_textElement, ref ctp,
WpfTextRenderer.GetText(_textElement, child), rotate, placement);
ctp.X += shiftBy;
}
else
{
ctp.Y -= shiftBy;
RenderHorzText(_textElement, ref ctp,
WpfTextRenderer.GetText(_textElement, child), rotate, placement);
ctp.Y += shiftBy;
}
}
else if (nodeType == XmlNodeType.Element)
{
string nodeName = child.Name;
if (string.Equals(nodeName, "tref", comparer))
{
AddTRefElementRun((SvgTRefElement)child, ref ctp, isVertical, true);
}
else if (string.Equals(nodeName, "tspan", comparer))
{
AddTSpanElementRun((SvgTSpanElement)child, ref ctp, isVertical, true);
}
else if (string.Equals(nodeName, "textPath", comparer))
{
RenderTextPath((SvgTextPathElement)child, ref ctp, rotate, placement);
}
else if (string.Equals(nodeName, "altGlyph", comparer))
{
AddAltGlyphElementRun((SvgAltGlyphElement)child, ref ctp, isVertical, true);
}
}
else if (nodeType == XmlNodeType.Whitespace)
{
if (isVertical)
{
ctp.X -= shiftBy;
RenderVertText(_textElement, ref ctp,
WpfTextRenderer.GetText(_textElement, child), rotate, placement);
ctp.X += shiftBy;
}
else
{
ctp.Y -= shiftBy;
RenderHorzText(_textElement, ref ctp,
WpfTextRenderer.GetText(_textElement, child), rotate, placement);
ctp.Y += shiftBy;
}
}
}
else
{
string textAnchor = _textElement.GetPropertyValue("text-anchor");
WpfTextAnchor anchor = WpfTextAnchor.None;
if (string.Equals(textAnchor, "middle", comparer))
{
anchor = WpfTextAnchor.Middle;
}
else if (string.Equals(textAnchor, "end", comparer))
{
anchor = WpfTextAnchor.End;
}
XmlNodeList nodeList = _svgElement.ChildNodes;
int nodeCount = nodeList.Count;
// This is a very simply hack to change centered text to left align, since for
// text containing spans, different font weights may be applied to the spans...
if (anchor == WpfTextAnchor.Middle)
{
// Suspend the rendering...
_isMeasuring = true;
Point savedPt = new Point(ctp.X, ctp.Y);
_textContext.BeginMeasure(nodeCount);
for (int i = 0; i < nodeCount; i++)
{
XmlNode child = nodeList[i];
nodeType = child.NodeType;
//if (i == 0 && nodeType == XmlNodeType.Whitespace)
//{
// continue;
//}
if (nodeType == XmlNodeType.Text)
{
var nodeText = WpfTextRenderer.GetText(_textElement, child);
if (i == (nodeCount - 1))
{
// No need to render the last white space...
nodeText = nodeText.TrimEnd();
}
if (isVertical)
{
ctp.X -= shiftBy;
RenderVertTextRun(_textElement, ref ctp, nodeText, rotate, placement);
ctp.X += shiftBy;
}
else
{
ctp.Y -= shiftBy;
RenderHorzTextRun(_textElement, ref ctp, nodeText, rotate, placement);
ctp.Y += shiftBy;
}
}
else if (nodeType == XmlNodeType.Element)
{
string nodeName = child.Name;
if (string.Equals(nodeName, "tref", comparer))
{
AddTRefElementRun((SvgTRefElement)child, ref ctp, isVertical, false);
}
else if (string.Equals(nodeName, "tspan", comparer))
{
bool isAdded = false;
if ((i + 1) < nodeCount)
{
XmlNode nextChild = nodeList[i + 1];
if (nextChild.NodeType == XmlNodeType.Whitespace)
{
isAdded = true;
AddTSpanElementRun((SvgTSpanElement)child, ref ctp, isVertical, false, nextChild);
i++;
}
}
if (!isAdded)
{
AddTSpanElementRun((SvgTSpanElement)child, ref ctp, isVertical, false);
}
}
else if (string.Equals(nodeName, "textPath", comparer))
{
RenderTextPath((SvgTextPathElement)child, ref ctp, rotate, placement);
}
else if (string.Equals(nodeName, "altGlyph", comparer))
{
AddAltGlyphElementRun((SvgAltGlyphElement)child, ref ctp, isVertical, false);
}
}
else if (nodeType == XmlNodeType.Whitespace)
{
if (isVertical)
{
ctp.X -= shiftBy;
RenderVertTextRun(_textElement, ref ctp, Whitespace, rotate, placement, true);
ctp.X += shiftBy;
}
else
{
ctp.Y -= shiftBy;
RenderHorzTextRun(_textElement, ref ctp, Whitespace, rotate, placement, true);
ctp.Y += shiftBy;
}
}
}
_textContext.EndMeasure();
ctp = savedPt;
ctp.X -= (_textWidth / 2d);
// Resume the rendering...
_isMeasuring = false;
}
bool textRendered = false;
for (int i = 0; i < nodeCount; i++)
{
XmlNode child = nodeList[i];
nodeType = child.NodeType;
//if (i == 0 && nodeType == XmlNodeType.Whitespace)
//{
// continue;
//}
if (nodeType == XmlNodeType.Text)
{
var nodeText = WpfTextRenderer.GetText(_textElement, child);
if (i == (nodeCount - 1))
{
// No need to render the last white space...
nodeText = nodeText.TrimEnd();
}
if (isVertical)
{
ctp.X -= shiftBy;
RenderVertTextRun(_textElement, ref ctp, nodeText, rotate, placement);
ctp.X += shiftBy;
}
else
{
ctp.Y -= shiftBy;
RenderHorzTextRun(_textElement, ref ctp, nodeText, rotate, placement);
ctp.Y += shiftBy;
}
textRendered = true;
}
else if (nodeType == XmlNodeType.Element)
{
string nodeName = child.Name;
if (string.Equals(nodeName, "tref", comparer))
{
AddTRefElementRun((SvgTRefElement)child, ref ctp, isVertical, false);
textRendered = true;
}
else if (string.Equals(nodeName, "tspan", comparer))
{
bool isAdded = false;
if ((i + 1) < nodeCount)
{
XmlNode nextChild = nodeList[i + 1];
if (nextChild.NodeType == XmlNodeType.Whitespace)
{
isAdded = true;
AddTSpanElementRun((SvgTSpanElement)child, ref ctp, isVertical, false, nextChild);
i++;
}
}
if (!isAdded)
{
AddTSpanElementRun((SvgTSpanElement)child, ref ctp, isVertical, false);
}
textRendered = true;
}
else if (string.Equals(nodeName, "textPath", comparer))
{
RenderTextPath((SvgTextPathElement)child, ref ctp, rotate, placement);
textRendered = false;
}
else if (string.Equals(nodeName, "altGlyph", comparer))
{
AddAltGlyphElementRun((SvgAltGlyphElement)child, ref ctp, isVertical, false);
}
}
else if (nodeType == XmlNodeType.Whitespace)
{
if (textRendered)
{
if (isVertical)
{
ctp.X -= shiftBy;
RenderVertTextRun(_textElement, ref ctp, Whitespace, rotate, placement, true);
ctp.X += shiftBy;
}
else
{
ctp.Y -= shiftBy;
RenderHorzTextRun(_textElement, ref ctp, Whitespace, rotate, placement, true);
ctp.Y += shiftBy;
}
textRendered = false;
}
}
}
}
}
public override void BeforeRender(WpfDrawingRenderer renderer)
{
base.BeforeRender(renderer);
_isTextPath = false;
_isGroupAdded = false;
_textWidth = 0;
_isMeasuring = false;
WpfDrawingContext context = renderer.Context;
SvgRenderingHint hint = _svgElement.RenderingHint;
if (hint == SvgRenderingHint.Clipping)
{
return;
}
var comparer = StringComparison.OrdinalIgnoreCase;
// We do not directly render the contents of the clip-path, unless specifically requested...
if (string.Equals(_svgElement.ParentNode.LocalName, "clipPath", comparer) &&
!context.RenderingClipRegion)
{
return;
}
_context = renderer.Context;
SetQuality(context);
SetTransform(context);
SetClip(_context);
SetMask(_context);
_drawGroup = new DrawingGroup();
string sVisibility = _textElement.GetPropertyValue("visibility");
string sDisplay = _textElement.GetPropertyValue("display");
if (string.Equals(sVisibility, "hidden", comparer) || string.Equals(sDisplay, "none", comparer))
{
_drawGroup.Opacity = 0;
}
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);
}
Transform textTransform = this.Transform;
if (textTransform != null && !textTransform.Value.IsIdentity)
{
_drawGroup.Transform = textTransform;
}
else
{
textTransform = null; // render any identity transform useless...
}
Geometry textClip = this.ClipGeometry;
if (textClip != null && !textClip.IsEmpty())
{
_drawGroup.ClipGeometry = textClip;
}
else
{
textClip = null; // render any empty geometry useless...
}
Brush textMask = this.Masking;
if (textMask != null)
{
_drawGroup.OpacityMask = textMask;
}
if (textTransform != null || textClip != null || textMask != null)
{
DrawingGroup curGroup = _context.Peek();
Debug.Assert(curGroup != null);
if (curGroup != null)
{
curGroup.Children.Add(_drawGroup);
context.Push(_drawGroup);
_isGroupAdded = true;
}
}
_drawContext = _drawGroup.Open();
_horzRenderer.Initialize(_drawContext, _context);
_vertRenderer.Initialize(_drawContext, _context);
_pathRenderer.Initialize(_drawContext, _context);
}
public void RenderMarker0(WpfDrawingRenderer renderer, WpfDrawingContext gr,
SvgMarkerPosition markerPos, SvgStyleableElement refElement)
{
//PathGeometry g;
//g.GetPointAtFractionLength(
ISharpMarkerHost markerHostElm = (ISharpMarkerHost)refElement;
SvgMarkerElement markerElm = (SvgMarkerElement)_svgElement;
SvgPointF[] vertexPositions = markerHostElm.MarkerPositions;
int start;
int len;
// Choose which part of the position array to use
switch (markerPos)
{
case SvgMarkerPosition.Start:
start = 0;
len = 1;
break;
case SvgMarkerPosition.Mid:
start = 1;
len = vertexPositions.Length - 2;
break;
default:
// == MarkerPosition.End
start = vertexPositions.Length - 1;
len = 1;
break;
}
for (int i = start; i < start + len; i++)
{
SvgPointF point = vertexPositions[i];
Matrix m = GetTransformMatrix(_svgElement);
//GraphicsContainer gc = gr.BeginContainer();
this.BeforeRender(renderer);
//gr.TranslateTransform(point.X, point.Y);
//PAUL:
//m.Translate(point.X, point.Y);
if (markerElm.OrientType.AnimVal.Equals((ushort)SvgMarkerOrient.Angle))
{
m.Rotate(markerElm.OrientAngle.AnimVal.Value);
//gr.RotateTransform((double)markerElm.OrientAngle.AnimVal.Value);
}
else
{
double angle;
switch (markerPos)
{
case SvgMarkerPosition.Start:
angle = markerHostElm.GetStartAngle(i + 1);
break;
case SvgMarkerPosition.Mid:
//angle = (markerHostElm.GetEndAngle(i) + markerHostElm.GetStartAngle(i + 1)) / 2;
angle = SvgNumber.CalcAngleBisection(markerHostElm.GetEndAngle(i), markerHostElm.GetStartAngle(i + 1));
break;
default:
angle = markerHostElm.GetEndAngle(i);
break;
}
//gr.RotateTransform(angle);
m.Rotate(angle);
}
if (markerElm.MarkerUnits.AnimVal.Equals((ushort)SvgMarkerUnit.StrokeWidth))
{
string propValue = refElement.GetPropertyValue("stroke-width");
if (propValue.Length == 0)
{
propValue = "1";
}
SvgLength strokeWidthLength = new SvgLength("stroke-width", propValue, refElement, SvgLengthDirection.Viewport);
double strokeWidth = strokeWidthLength.Value;
//gr.ScaleTransform(strokeWidth, strokeWidth);
m.Scale(strokeWidth, strokeWidth);
}
SvgPreserveAspectRatio spar = (SvgPreserveAspectRatio)markerElm.PreserveAspectRatio.AnimVal;
double[] translateAndScale = spar.FitToViewBox(
(SvgRect)markerElm.ViewBox.AnimVal, new SvgRect(0, 0,
markerElm.MarkerWidth.AnimVal.Value, markerElm.MarkerHeight.AnimVal.Value));
//PAUL:
//m.Translate(-(double)markerElm.RefX.AnimVal.Value * translateAndScale[2], -(double)markerElm.RefY.AnimVal.Value * translateAndScale[3]);
//PAUL:
m.Scale(translateAndScale[2], translateAndScale[3]);
m.Translate(point.X, point.Y);
//Matrix oldTransform = TransformMatrix;
//TransformMatrix = m;
//try
//{
//newTransform.Append(m);
//TransformGroup tg = new TransformGroup();
//renderer.Canvas.re
//gr.TranslateTransform(
// -(double)markerElm.RefX.AnimVal.Value * translateAndScale[2],
// -(double)markerElm.RefY.AnimVal.Value * translateAndScale[3]
// );
//gr.ScaleTransform(translateAndScale[2], translateAndScale[3]);
renderer.RenderChildren(markerElm);
// markerElm.RenderChildren(renderer);
//}
//finally
//{
// TransformMatrix = oldTransform;
//}
// //gr.EndContainer(gc);
_matrix = m;
this.Render(renderer);
//gr.EndContainer(gc);
this.AfterRender(renderer);
}
}
protected static void RenderMarkers(WpfDrawingRenderer renderer,
SvgStyleableElement styleElm, WpfDrawingContext gr)
{
// OPTIMIZE
if (styleElm is ISharpMarkerHost)
{
string markerStartUrl = ExtractMarkerUrl(styleElm.GetPropertyValue("marker-start", "marker"));
string markerMiddleUrl = ExtractMarkerUrl(styleElm.GetPropertyValue("marker-mid", "marker"));
string markerEndUrl = ExtractMarkerUrl(styleElm.GetPropertyValue("marker-end", "marker"));
if (markerStartUrl.Length > 0)
{
WpfMarkerRendering markerRenderer = CreateByUri(styleElm.OwnerDocument,
styleElm.BaseURI, markerStartUrl) as WpfMarkerRendering;
if (markerRenderer != null)
{
markerRenderer.RenderMarker(renderer, gr, SvgMarkerPosition.Start, styleElm);
}
}
if (markerMiddleUrl.Length > 0)
{
// TODO markerMiddleUrl != markerStartUrl
WpfMarkerRendering markerRenderer = CreateByUri(styleElm.OwnerDocument,
styleElm.BaseURI, markerMiddleUrl) as WpfMarkerRendering;
if (markerRenderer != null)
{
markerRenderer.RenderMarker(renderer, gr, SvgMarkerPosition.Mid, styleElm);
}
}
if (markerEndUrl.Length > 0)
{
// TODO: markerEndUrl != markerMiddleUrl
WpfMarkerRendering markerRenderer = CreateByUri(styleElm.OwnerDocument,
styleElm.BaseURI, markerEndUrl) as WpfMarkerRendering;
if (markerRenderer != null)
{
markerRenderer.RenderMarker(renderer, gr, SvgMarkerPosition.End, styleElm);
}
}
}
}
// define empty handlers by default
public virtual void BeforeRender(WpfDrawingRenderer renderer)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="StreamSvgConverter"/> class
/// with the specified drawing or rendering settings and the saving options.
/// </summary>
/// <param name="saveXaml">
/// This specifies whether to save result object tree in image file.
/// </param>
/// <param name="saveZaml">
/// This specifies whether to save result object tree in ZAML file. The
/// ZAML is simply a G-Zip compressed image format, similar to the SVGZ.
/// </param>
/// <param name="settings">
/// This specifies the settings used by the rendering or drawing engine.
/// If this is <see langword="null"/>, the default settings is used.
/// </param>
public StreamSvgConverter(bool saveXaml, bool saveZaml,
WpfDrawingSettings settings)
: base(saveXaml, saveZaml, settings)
{
_encoderType = ImageEncoderType.PngBitmap;
_wpfRenderer = new WpfDrawingRenderer(this.DrawingSettings);
_wpfWindow = new WpfSvgWindow(640, 480, _wpfRenderer);
}
public virtual void AfterRender(WpfDrawingRenderer renderer)
{
}
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 (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.IsNullOrEmpty(elementId) && !context.IsRegisteredId(elementId))
{
_drawGroup.SetValue(FrameworkElement.NameProperty, elementId);
context.RegisterId(elementId);
if (context.IncludeRuntime)
{
SvgObject.SetId(_drawGroup, elementId);
}
}
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;
}
if (linkVisitor != null)
{
linkVisitor.Visit(_drawGroup, element, context, opacityValue);
_isAggregated = linkVisitor.IsAggregate;
}
}
base.Render(renderer);
}
public override void Render(WpfDrawingRenderer renderer)
{
if (_drawGroup == null || _drawContext == null)
{
return;
}
Point ctp = new Point(0, 0); // current text position
WpfTextPlacement placement = WpfTextRenderer.GetCurrentTextPosition(_textElement, ctp);
ctp = placement.Location;
double rotate = placement.Rotation;
if (!placement.HasPositions)
{
placement = null; // render it useless
}
string sBaselineShift = _textElement.GetPropertyValue("baseline-shift").Trim();
double shiftBy = 0;
if (sBaselineShift.Length > 0)
{
double textFontSize = WpfTextRenderer.GetComputedFontSize(_textElement);
if (sBaselineShift.EndsWith("%", StringComparison.OrdinalIgnoreCase))
{
shiftBy = SvgNumber.ParseNumber(sBaselineShift.Substring(0,
sBaselineShift.Length - 1)) / 100 * textFontSize;
}
else if (sBaselineShift == "sub")
{
shiftBy = -0.6F * textFontSize;
}
else if (sBaselineShift == "super")
{
shiftBy = 0.6F * textFontSize;
}
else if (sBaselineShift == "baseline")
{
shiftBy = 0;
}
else
{
shiftBy = SvgNumber.ParseNumber(sBaselineShift);
}
}
XmlNodeType nodeType = XmlNodeType.None;
bool isVertical = false;
string writingMode = _textElement.GetPropertyValue("writing-mode");
if (!string.IsNullOrWhiteSpace(writingMode) &&
string.Equals(writingMode, "tb", StringComparison.OrdinalIgnoreCase))
{
isVertical = true;
}
if (_svgElement.ChildNodes.Count == 1)
{
XmlNode child = _svgElement.ChildNodes[0];
nodeType = child.NodeType;
if (nodeType == XmlNodeType.Text || nodeType == XmlNodeType.CDATA)
{
if (isVertical)
{
ctp.X -= shiftBy;
RenderSingleLineTextV(_textElement, ref ctp,
WpfTextRenderer.GetText(_textElement, child), rotate, placement);
ctp.X += shiftBy;
}
else
{
ctp.Y -= shiftBy;
RenderSingleLineTextH(_textElement, ref ctp,
WpfTextRenderer.GetText(_textElement, child), rotate, placement);
ctp.Y += shiftBy;
}
}
else if (nodeType == XmlNodeType.Element)
{
string nodeName = child.Name;
if (string.Equals(nodeName, "tref"))
{
AddTRefElementRun((SvgTRefElement)child, ref ctp, isVertical, true);
}
else if (string.Equals(nodeName, "tspan"))
{
AddTSpanElementRun((SvgTSpanElement)child, ref ctp, isVertical, true);
}
else if (string.Equals(nodeName, "textPath"))
{
RenderTextPath((SvgTextPathElement)child, ref ctp, rotate, placement);
}
}
else if (nodeType == XmlNodeType.Whitespace)
{
if (isVertical)
{
ctp.X -= shiftBy;
RenderSingleLineTextV(_textElement, ref ctp,
WpfTextRenderer.GetText(_textElement, child), rotate, placement);
ctp.X += shiftBy;
}
else
{
ctp.Y -= shiftBy;
RenderSingleLineTextH(_textElement, ref ctp,
WpfTextRenderer.GetText(_textElement, child), rotate, placement);
ctp.Y += shiftBy;
}
}
}
else
{
string textAnchor = _textElement.GetPropertyValue("text-anchor");
WpfTextAnchor anchor = WpfTextAnchor.None;
if (textAnchor == "middle")
{
anchor = WpfTextAnchor.Middle;
}
else if (textAnchor == "end")
{
anchor = WpfTextAnchor.End;
}
XmlNodeList nodeList = _svgElement.ChildNodes;
// This is a very simply hack to change centered text to left align, since for
// text containing spans, different font weights may be applied to the spans...
if (anchor == WpfTextAnchor.Middle)
{
// Suspend the rendering...
_isMeasuring = true;
foreach (XmlNode child in nodeList)
{
nodeType = child.NodeType;
if (nodeType == XmlNodeType.Text)
{
if (isVertical)
{
ctp.X -= shiftBy;
RenderTextRunV(_textElement, ref ctp,
WpfTextRenderer.GetText(_textElement, child), rotate, placement);
ctp.X += shiftBy;
}
else
{
ctp.Y -= shiftBy;
RenderTextRunH(_textElement, ref ctp,
WpfTextRenderer.GetText(_textElement, child), rotate, placement);
ctp.Y += shiftBy;
}
}
else if (nodeType == XmlNodeType.Element)
{
string nodeName = child.Name;
if (string.Equals(nodeName, "tref"))
{
AddTRefElementRun((SvgTRefElement)child, ref ctp, isVertical, false);
}
else if (string.Equals(nodeName, "tspan"))
{
AddTSpanElementRun((SvgTSpanElement)child, ref ctp, isVertical, false);
}
else if (string.Equals(nodeName, "textPath"))
{
RenderTextPath((SvgTextPathElement)child, ref ctp, rotate, placement);
}
}
else if (nodeType == XmlNodeType.Whitespace)
{
if (isVertical)
{
ctp.X -= shiftBy;
//RenderTextRunV(_textElement, ref ctp, GetText(_textElement, child));
RenderTextRunV(_textElement, ref ctp, Whitespace, rotate, placement);
ctp.X += shiftBy;
}
else
{
ctp.Y -= shiftBy;
//RenderTextRunH(_textElement, ref ctp, GetText(_textElement, child));
RenderTextRunH(_textElement, ref ctp, Whitespace, rotate, placement);
ctp.Y += shiftBy;
}
}
}
ctp.X -= (_textWidth / 2d);
// Resume the rendering...
_isMeasuring = false;
}
bool textRendered = false;
for (int i = 0; i < nodeList.Count; i++)
{
XmlNode child = nodeList[i];
nodeType = child.NodeType;
if (nodeType == XmlNodeType.Text)
{
if (isVertical)
{
ctp.X -= shiftBy;
RenderTextRunV(_textElement, ref ctp,
WpfTextRenderer.GetText(_textElement, child), rotate, placement);
ctp.X += shiftBy;
}
else
{
ctp.Y -= shiftBy;
RenderTextRunH(_textElement, ref ctp,
WpfTextRenderer.GetText(_textElement, child), rotate, placement);
ctp.Y += shiftBy;
}
textRendered = true;
}
else if (nodeType == XmlNodeType.Element)
{
string nodeName = child.Name;
if (string.Equals(nodeName, "tref"))
{
AddTRefElementRun((SvgTRefElement)child, ref ctp, isVertical, false);
textRendered = true;
}
else if (string.Equals(nodeName, "tspan"))
{
AddTSpanElementRun((SvgTSpanElement)child, ref ctp, isVertical, false);
textRendered = true;
}
else if (string.Equals(nodeName, "textPath"))
{
RenderTextPath((SvgTextPathElement)child, ref ctp, rotate, placement);
textRendered = false;
}
}
else if (nodeType == XmlNodeType.Whitespace)
{
if (textRendered)
{
if (isVertical)
{
ctp.X -= shiftBy;
//RenderTextRunV(_textElement, ref ctp, GetText(_textElement, child));
RenderTextRunV(_textElement, ref ctp, Whitespace, rotate, placement);
ctp.X += shiftBy;
}
else
{
ctp.Y -= shiftBy;
//RenderTextRunH(_textElement, ref ctp, GetText(_textElement, child));
RenderTextRunH(_textElement, ref ctp, Whitespace, rotate, placement);
ctp.Y += shiftBy;
}
textRendered = false;
}
}
}
}
}
public override void AfterRender(WpfDrawingRenderer renderer)
{
if (_horzRenderer != null)
{
_horzRenderer.Uninitialize();
_horzRenderer = null;
}
if (_vertRenderer != null)
{
_vertRenderer.Uninitialize();
_vertRenderer = null;
}
if (_pathRenderer != null)
{
_pathRenderer.Uninitialize();
_pathRenderer = null;
}
if (_drawContext != null)
{
_drawContext.Close();
_drawContext = null;
}
WpfDrawingContext context = renderer.Context;
// TODO-PAUL: Testing this for validity...
// Remove the GuidelineSet from the groups added by the FormattedText to reduced the
// size of output XAML...
if (_drawGroup != null)
{
ResetGuidelineSet(_drawGroup);
}
if (context.IncludeRuntime)
{
if (_drawGroup != null)
{
// Add the element/object type...
SvgObject.SetType(_drawGroup, SvgObjectType.Text);
// Add title for tooltips, if any...
SvgTitleElement titleElement = _svgElement.SelectSingleNode("title") as SvgTitleElement;
if (titleElement != null)
{
string titleValue = titleElement.InnerText;
if (!String.IsNullOrEmpty(titleValue))
{
SvgObject.SetTitle(_drawGroup, titleValue);
}
}
}
}
if (!_isGroupAdded)
{
if (_drawGroup != null)
{
if (_isTextPath || _drawGroup.Transform != null || _drawGroup.ClipGeometry != null)
{
DrawingGroup curGroup = _context.Peek();
Debug.Assert(curGroup != null);
if (curGroup != null)
{
curGroup.Children.Add(_drawGroup);
}
}
else if (_drawGroup.Children.Count != 0)
{
DrawingGroup firstGroup = _drawGroup.Children[0] as DrawingGroup;
if (firstGroup != null && firstGroup.Children.Count != 0)
{
//Drawing firstDrawing = firstGroup.Children[0];
DrawingGroup curGroup = _context.Peek();
Debug.Assert(curGroup != null);
if (curGroup != null)
{
curGroup.Children.Add(_drawGroup);
}
}
}
}
}
else
{
if (_drawGroup != null)
{
DrawingGroup currentGroup = context.Peek();
if (currentGroup == null || currentGroup != _drawGroup)
{
throw new InvalidOperationException("An existing group is expected.");
}
context.Pop();
}
}
_context = null;
_drawGroup = null;
base.AfterRender(renderer);
}
public void RenderMarker0(WpfDrawingRenderer renderer, WpfDrawingContext gr,
SvgMarkerPosition markerPos, SvgStyleableElement refElement)
{
//PathGeometry g;
//g.GetPointAtFractionLength(
ISharpMarkerHost markerHostElm = (ISharpMarkerHost)refElement;
SvgMarkerElement markerElm = (SvgMarkerElement)_svgElement;
SvgPointF[] vertexPositions = markerHostElm.MarkerPositions;
int start;
int len;
// Choose which part of the position array to use
switch (markerPos)
{
case SvgMarkerPosition.Start:
start = 0;
len = 1;
break;
case SvgMarkerPosition.Mid:
start = 1;
len = vertexPositions.Length - 2;
break;
default:
// == MarkerPosition.End
start = vertexPositions.Length - 1;
len = 1;
break;
}
for (int i = start; i < start + len; i++)
{
SvgPointF point = vertexPositions[i];
Matrix m = GetTransformMatrix(_svgElement);
//GraphicsContainer gc = gr.BeginContainer();
this.BeforeRender(renderer);
//gr.TranslateTransform(point.X, point.Y);
//PAUL:
//m.Translate(point.X, point.Y);
if (markerElm.OrientType.AnimVal.Equals(SvgMarkerOrient.Angle))
{
m.Rotate(markerElm.OrientAngle.AnimVal.Value);
//gr.RotateTransform((double)markerElm.OrientAngle.AnimVal.Value);
}
else
{
double angle;
switch (markerPos)
{
case SvgMarkerPosition.Start:
angle = markerHostElm.GetStartAngle(i + 1);
break;
case SvgMarkerPosition.Mid:
//angle = (markerHostElm.GetEndAngle(i) + markerHostElm.GetStartAngle(i + 1)) / 2;
angle = SvgNumber.CalcAngleBisection(markerHostElm.GetEndAngle(i), markerHostElm.GetStartAngle(i + 1));
break;
default:
angle = markerHostElm.GetEndAngle(i);
break;
}
//gr.RotateTransform(angle);
m.Rotate(angle);
}
if (markerElm.MarkerUnits.AnimVal.Equals(SvgMarkerUnit.StrokeWidth))
{
string propValue = refElement.GetPropertyValue("stroke-width");
if (propValue.Length == 0)
propValue = "1";
SvgLength strokeWidthLength = new SvgLength("stroke-width", propValue, refElement, SvgLengthDirection.Viewport);
double strokeWidth = strokeWidthLength.Value;
//gr.ScaleTransform(strokeWidth, strokeWidth);
m.Scale(strokeWidth, strokeWidth);
}
SvgPreserveAspectRatio spar = (SvgPreserveAspectRatio)markerElm.PreserveAspectRatio.AnimVal;
double[] translateAndScale = spar.FitToViewBox(
(SvgRect)markerElm.ViewBox.AnimVal, new SvgRect(0, 0,
markerElm.MarkerWidth.AnimVal.Value, markerElm.MarkerHeight.AnimVal.Value));
//PAUL:
//m.Translate(-(double)markerElm.RefX.AnimVal.Value * translateAndScale[2], -(double)markerElm.RefY.AnimVal.Value * translateAndScale[3]);
//PAUL:
m.Scale(translateAndScale[2], translateAndScale[3]);
m.Translate(point.X, point.Y);
//Matrix oldTransform = TransformMatrix;
//TransformMatrix = m;
//try
//{
//newTransform.Append(m);
//TransformGroup tg = new TransformGroup();
//renderer.Canvas.re
//gr.TranslateTransform(
// -(double)markerElm.RefX.AnimVal.Value * translateAndScale[2],
// -(double)markerElm.RefY.AnimVal.Value * translateAndScale[3]
// );
//gr.ScaleTransform(translateAndScale[2], translateAndScale[3]);
renderer.RenderChildren(markerElm);
// markerElm.RenderChildren(renderer);
//}
//finally
//{
// TransformMatrix = oldTransform;
//}
// //gr.EndContainer(gc);
_matrix = m;
this.Render(renderer);
//gr.EndContainer(gc);
this.AfterRender(renderer);
}
}
public override void Render(WpfDrawingRenderer renderer)
{
if (_drawGroup == null || _drawContext == null)
{
return;
}
Point ctp = new Point(0, 0); // current text position
WpfTextPlacement placement = WpfTextRenderer.GetCurrentTextPosition(_textElement, ctp);
ctp = placement.Location;
double rotate = placement.Rotation;
if (!placement.HasPositions)
{
placement = null; // render it useless
}
string sBaselineShift = _textElement.GetPropertyValue("baseline-shift").Trim();
double shiftBy = 0;
if (sBaselineShift.Length > 0)
{
double textFontSize = WpfTextRenderer.GetComputedFontSize(_textElement);
if (sBaselineShift.EndsWith("%"))
{
shiftBy = SvgNumber.ParseNumber(sBaselineShift.Substring(0,
sBaselineShift.Length - 1)) / 100 * textFontSize;
}
else if (sBaselineShift == "sub")
{
shiftBy = -0.6F * textFontSize;
}
else if (sBaselineShift == "super")
{
shiftBy = 0.6F * textFontSize;
}
else if (sBaselineShift == "baseline")
{
shiftBy = 0;
}
else
{
shiftBy = SvgNumber.ParseNumber(sBaselineShift);
}
}
XmlNodeType nodeType = XmlNodeType.None;
bool isVertical = false;
string writingMode = _textElement.GetPropertyValue("writing-mode");
if (!String.IsNullOrEmpty(writingMode) &&
String.Equals(writingMode, "tb", StringComparison.OrdinalIgnoreCase))
{
isVertical = true;
}
if (_svgElement.ChildNodes.Count == 1)
{
XmlNode child = _svgElement.ChildNodes[0];
nodeType = child.NodeType;
if (nodeType == XmlNodeType.Text)
{
if (isVertical)
{
ctp.X -= shiftBy;
RenderSingleLineTextV(_textElement, ref ctp,
WpfTextRenderer.GetText(_textElement, child), rotate, placement);
ctp.X += shiftBy;
}
else
{
ctp.Y -= shiftBy;
RenderSingleLineTextH(_textElement, ref ctp,
WpfTextRenderer.GetText(_textElement, child), rotate, placement);
ctp.Y += shiftBy;
}
}
else if (nodeType == XmlNodeType.Element)
{
string nodeName = child.Name;
if (String.Equals(nodeName, "tref"))
{
AddTRefElementRun((SvgTRefElement)child, ref ctp, isVertical, true);
}
else if (String.Equals(nodeName, "tspan"))
{
AddTSpanElementRun((SvgTSpanElement)child, ref ctp, isVertical, true);
}
else if (String.Equals(nodeName, "textPath"))
{
RenderTextPath(_textElement, (SvgTextPathElement)child, ref ctp,
rotate, placement);
}
}
else if (nodeType == XmlNodeType.Whitespace)
{
if (isVertical)
{
ctp.X -= shiftBy;
RenderSingleLineTextV(_textElement, ref ctp,
WpfTextRenderer.GetText(_textElement, child), rotate, placement);
ctp.X += shiftBy;
}
else
{
ctp.Y -= shiftBy;
RenderSingleLineTextH(_textElement, ref ctp,
WpfTextRenderer.GetText(_textElement, child), rotate, placement);
ctp.Y += shiftBy;
}
}
}
else
{
string textAnchor = _textElement.GetPropertyValue("text-anchor");
WpfTextAnchor anchor = WpfTextAnchor.None;
if (textAnchor == "middle")
anchor = WpfTextAnchor.Middle;
else if (textAnchor == "end")
anchor = WpfTextAnchor.End;
XmlNodeList nodeList = _svgElement.ChildNodes;
// This is a very simply hack to change centered text to left align, since for
// text containing spans, different font weights may be applied to the spans...
if (anchor == WpfTextAnchor.Middle)
{
// Suspend the rendering...
_isMeasuring = true;
foreach (XmlNode child in nodeList)
{
nodeType = child.NodeType;
if (nodeType == XmlNodeType.Text)
{
if (isVertical)
{
ctp.X -= shiftBy;
RenderTextRunV(_textElement, ref ctp,
WpfTextRenderer.GetText(_textElement, child), rotate, placement);
ctp.X += shiftBy;
}
else
{
ctp.Y -= shiftBy;
RenderTextRunH(_textElement, ref ctp,
WpfTextRenderer.GetText(_textElement, child), rotate, placement);
ctp.Y += shiftBy;
}
}
else if (nodeType == XmlNodeType.Element)
{
string nodeName = child.Name;
if (String.Equals(nodeName, "tref"))
{
AddTRefElementRun((SvgTRefElement)child, ref ctp, isVertical, false);
}
else if (String.Equals(nodeName, "tspan"))
{
AddTSpanElementRun((SvgTSpanElement)child, ref ctp, isVertical, false);
}
else if (String.Equals(nodeName, "textPath"))
{
RenderTextPath(_textElement, (SvgTextPathElement)child, ref ctp,
rotate, placement);
}
}
else if (nodeType == XmlNodeType.Whitespace)
{
if (isVertical)
{
ctp.X -= shiftBy;
//RenderTextRunV(_textElement, ref ctp, GetText(_textElement, child));
RenderTextRunV(_textElement, ref ctp, Whitespace, rotate, placement);
ctp.X += shiftBy;
}
else
{
ctp.Y -= shiftBy;
//RenderTextRunH(_textElement, ref ctp, GetText(_textElement, child));
RenderTextRunH(_textElement, ref ctp, Whitespace, rotate, placement);
ctp.Y += shiftBy;
}
}
}
ctp.X -= (_textWidth / 2d);
// Resume the rendering...
_isMeasuring = false;
}
bool textRendered = false;
for (int i = 0; i < nodeList.Count; i++)
{
XmlNode child = nodeList[i];
nodeType = child.NodeType;
if (nodeType == XmlNodeType.Text)
{
if (isVertical)
{
ctp.X -= shiftBy;
RenderTextRunV(_textElement, ref ctp,
WpfTextRenderer.GetText(_textElement, child), rotate, placement);
ctp.X += shiftBy;
}
else
{
ctp.Y -= shiftBy;
RenderTextRunH(_textElement, ref ctp,
WpfTextRenderer.GetText(_textElement, child), rotate, placement);
ctp.Y += shiftBy;
}
textRendered = true;
}
else if (nodeType == XmlNodeType.Element)
{
string nodeName = child.Name;
if (String.Equals(nodeName, "tref"))
{
AddTRefElementRun((SvgTRefElement)child, ref ctp, isVertical, false);
textRendered = true;
}
else if (String.Equals(nodeName, "tspan"))
{
AddTSpanElementRun((SvgTSpanElement)child, ref ctp, isVertical, false);
textRendered = true;
}
else if (String.Equals(nodeName, "textPath"))
{
RenderTextPath(_textElement, (SvgTextPathElement)child, ref ctp,
rotate, placement);
textRendered = false;
}
}
else if (nodeType == XmlNodeType.Whitespace)
{
if (textRendered)
{
if (isVertical)
{
ctp.X -= shiftBy;
//RenderTextRunV(_textElement, ref ctp, GetText(_textElement, child));
RenderTextRunV(_textElement, ref ctp, Whitespace, rotate, placement);
ctp.X += shiftBy;
}
else
{
ctp.Y -= shiftBy;
//RenderTextRunH(_textElement, ref ctp, GetText(_textElement, child));
RenderTextRunH(_textElement, ref ctp, Whitespace, rotate, placement);
ctp.Y += shiftBy;
}
textRendered = false;
}
}
}
}
}
public void RenderMarker2(WpfDrawingRenderer renderer, WpfDrawingContext gr,
SvgMarkerPosition markerPos, SvgStyleableElement refElement)
{
ISharpMarkerHost markerHostElm = (ISharpMarkerHost)refElement;
SvgMarkerElement markerElm = (SvgMarkerElement)_svgElement;
SvgPointF[] vertexPositions = markerHostElm.MarkerPositions;
int start;
int len;
// Choose which part of the position array to use
switch (markerPos)
{
case SvgMarkerPosition.Start:
start = 0;
len = 1;
break;
case SvgMarkerPosition.Mid:
start = 1;
len = vertexPositions.Length - 2;
break;
default:
// == MarkerPosition.End
start = vertexPositions.Length - 1;
len = 1;
break;
}
for (int i = start; i < start + len; i++)
{
SvgPointF point = vertexPositions[i];
//GdiGraphicsContainer gc = gr.BeginContainer();
this.BeforeRender(renderer);
//Matrix matrix = Matrix.Identity;
Matrix matrix = GetTransformMatrix(_svgElement);
if (markerElm.OrientType.AnimVal.Equals((ushort)SvgMarkerOrient.Angle))
{
matrix.Rotate(markerElm.OrientAngle.AnimVal.Value);
}
else
{
double angle = 0;
switch (markerPos)
{
case SvgMarkerPosition.Start:
angle = markerHostElm.GetStartAngle(i + 1);
break;
case SvgMarkerPosition.Mid:
//angle = (markerHostElm.GetEndAngle(i) + markerHostElm.GetStartAngle(i + 1)) / 2;
angle = SvgNumber.CalcAngleBisection(markerHostElm.GetEndAngle(i), markerHostElm.GetStartAngle(i + 1));
break;
default:
angle = markerHostElm.GetEndAngle(i);
break;
}
matrix.Rotate(angle);
}
if (markerElm.MarkerUnits.AnimVal.Equals((ushort)SvgMarkerUnit.StrokeWidth))
{
SvgLength strokeWidthLength = new SvgLength(refElement,
"stroke-width", SvgLengthSource.Css, SvgLengthDirection.Viewport, "1");
double strokeWidth = strokeWidthLength.Value;
matrix.Scale(strokeWidth, strokeWidth);
}
SvgPreserveAspectRatio spar =
(SvgPreserveAspectRatio)markerElm.PreserveAspectRatio.AnimVal;
double[] translateAndScale = spar.FitToViewBox((SvgRect)markerElm.ViewBox.AnimVal,
new SvgRect(0, 0, markerElm.MarkerWidth.AnimVal.Value,
markerElm.MarkerHeight.AnimVal.Value));
matrix.Translate(-markerElm.RefX.AnimVal.Value * translateAndScale[2],
-markerElm.RefY.AnimVal.Value * translateAndScale[3]);
matrix.Scale(translateAndScale[2], translateAndScale[3]);
matrix.Translate(point.X, point.Y);
_matrix = matrix;
this.Render(renderer);
//Clip(gr);
renderer.RenderChildren(markerElm);
//gr.EndContainer(gc);
this.AfterRender(renderer);
}
}
public override void BeforeRender(WpfDrawingRenderer renderer)
{
base.BeforeRender(renderer);
WpfDrawingContext context = renderer.Context;
Geometry clipGeom = this.ClipGeometry;
Transform transform = this.Transform;
if (transform == null &&
(_svgElement.FirstChild != null && _svgElement.FirstChild == _svgElement.LastChild))
{
try
{
SvgUseElement useElement = (SvgUseElement)_svgElement;
// If none of the following attribute exists, an exception is thrown...
double x = useElement.X.AnimVal.Value;
double y = useElement.Y.AnimVal.Value;
double width = useElement.Width.AnimVal.Value;
double height = useElement.Height.AnimVal.Value;
if (width > 0 && height > 0)
{
Rect elementBounds = new Rect(x, y, width, height);
// Try handling the cases of "symbol" and "svg" sources within the "use"...
XmlNode childNode = _svgElement.FirstChild;
string childName = childNode.Name;
if (String.Equals(childName, "symbol", StringComparison.OrdinalIgnoreCase))
{
SvgSymbolElement symbolElement = (SvgSymbolElement)childNode;
this.FitToViewbox(context, symbolElement, elementBounds);
}
}
transform = this.Transform;
}
catch
{
}
}
if (transform != null)
{
try
{
SvgUseElement useElement = (SvgUseElement)_svgElement;
// If none of the following attribute exists, an exception is thrown...
double x = useElement.X.AnimVal.Value;
double y = useElement.Y.AnimVal.Value;
double width = useElement.Width.AnimVal.Value;
double height = useElement.Height.AnimVal.Value;
if (width > 0 && height > 0)
{
Rect elementBounds = new Rect(x, y, width, height);
// Try handling the cases of "symbol" and "svg" sources within the "use"...
XmlNode childNode = _svgElement.FirstChild;
string childName = childNode.Name;
if (String.Equals(childName, "symbol", StringComparison.OrdinalIgnoreCase))
{
SvgSymbolElement symbolElement = (SvgSymbolElement)childNode;
this.FitToViewbox(context, symbolElement, elementBounds);
}
}
Transform symbolTransform = this.Transform;
if (symbolTransform != null && !symbolTransform.Value.IsIdentity)
{
TransformGroup combinedTransform = new TransformGroup();
combinedTransform.Children.Add(transform);
combinedTransform.Children.Add(symbolTransform);
transform = combinedTransform;
}
}
catch
{
}
}
if (clipGeom != null || transform != null)
{
_drawGroup = new DrawingGroup();
DrawingGroup currentGroup = context.Peek();
if (currentGroup == null)
{
throw new InvalidOperationException("An existing group is expected.");
}
currentGroup.Children.Add(_drawGroup);
context.Push(_drawGroup);
if (clipGeom != null)
{
_drawGroup.ClipGeometry = clipGeom;
}
if (transform != null)
{
_drawGroup.Transform = transform;
}
}
}
public virtual bool NeedRender(WpfDrawingRenderer renderer)
{
if (_svgElement.GetAttribute("display") == "none")
{
return false;
}
return true;
}
public void RenderMarker(WpfDrawingRenderer renderer, WpfDrawingContext gr,
SvgMarkerPosition markerPos, SvgStyleableElement refElement)
{
ISharpMarkerHost markerHostElm = (ISharpMarkerHost)refElement;
SvgMarkerElement markerElm = (SvgMarkerElement)_svgElement;
SvgPointF[] vertexPositions = markerHostElm.MarkerPositions;
int start;
int len;
// Choose which part of the position array to use
switch (markerPos)
{
case SvgMarkerPosition.Start:
start = 0;
len = 1;
break;
case SvgMarkerPosition.Mid:
start = 1;
len = vertexPositions.Length - 2;
break;
default:
// == MarkerPosition.End
start = vertexPositions.Length - 1;
len = 1;
break;
}
for (int i = start; i < start + len; i++)
{
SvgPointF point = vertexPositions[i];
//GdiGraphicsContainer gc = gr.BeginContainer();
this.BeforeRender(renderer);
//Matrix matrix = Matrix.Identity;
Matrix matrix = GetTransformMatrix(_svgElement);
if (markerElm.OrientType.AnimVal.Equals(SvgMarkerOrient.Angle))
{
matrix.Rotate(markerElm.OrientAngle.AnimVal.Value);
}
else
{
double angle = 0;
switch (markerPos)
{
case SvgMarkerPosition.Start:
angle = markerHostElm.GetStartAngle(i + 1);
break;
case SvgMarkerPosition.Mid:
//angle = (markerHostElm.GetEndAngle(i) + markerHostElm.GetStartAngle(i + 1)) / 2;
angle = SvgNumber.CalcAngleBisection(markerHostElm.GetEndAngle(i), markerHostElm.GetStartAngle(i + 1));
break;
default:
angle = markerHostElm.GetEndAngle(i);
break;
}
matrix.Rotate(angle);
}
if (markerElm.MarkerUnits.AnimVal.Equals(SvgMarkerUnit.StrokeWidth))
{
SvgLength strokeWidthLength = new SvgLength(refElement,
"stroke-width", SvgLengthSource.Css, SvgLengthDirection.Viewport, "1");
double strokeWidth = strokeWidthLength.Value;
matrix.Scale(strokeWidth, strokeWidth);
}
SvgPreserveAspectRatio spar =
(SvgPreserveAspectRatio)markerElm.PreserveAspectRatio.AnimVal;
double[] translateAndScale = spar.FitToViewBox((SvgRect)markerElm.ViewBox.AnimVal,
new SvgRect(0, 0, markerElm.MarkerWidth.AnimVal.Value,
markerElm.MarkerHeight.AnimVal.Value));
matrix.Translate(-markerElm.RefX.AnimVal.Value * translateAndScale[2],
-markerElm.RefY.AnimVal.Value * translateAndScale[3]);
matrix.Scale(translateAndScale[2], translateAndScale[3]);
matrix.Translate(point.X, point.Y);
_matrix = matrix;
this.Render(renderer);
//Clip(gr);
renderer.RenderChildren(markerElm);
//gr.EndContainer(gc);
this.AfterRender(renderer);
}
}
protected static void RenderMarkers(WpfDrawingRenderer renderer,
SvgStyleableElement styleElm, WpfDrawingContext gr)
{
// OPTIMIZE
if (styleElm is ISharpMarkerHost)
{
string markerStartUrl = ExtractMarkerUrl(styleElm.GetPropertyValue("marker-start", "marker"));
string markerMiddleUrl = ExtractMarkerUrl(styleElm.GetPropertyValue("marker-mid", "marker"));
string markerEndUrl = ExtractMarkerUrl(styleElm.GetPropertyValue("marker-end", "marker"));
string markerAll = ExtractMarkerUrl(styleElm.GetPropertyValue("marker", "marker"));
// The SVG specification defines three properties to reference markers: marker-start,
// marker -mid, marker-end. It also provides a shorthand property, marker. Using the marker
// property from a style sheet is equivalent to using all three (start, mid, end).
// However, shorthand properties cannot be used as presentation attributes.
if (!string.IsNullOrWhiteSpace(markerAll) && !IsPresentationMarker(styleElm))
{
if (string.IsNullOrWhiteSpace(markerStartUrl))
{
markerStartUrl = markerAll;
}
if (string.IsNullOrWhiteSpace(markerMiddleUrl))
{
markerMiddleUrl = markerAll;
}
if (string.IsNullOrWhiteSpace(markerEndUrl))
{
markerEndUrl = markerAll;
}
}
if (markerStartUrl.Length > 0)
{
WpfMarkerRendering markerRenderer = CreateByUri(styleElm.OwnerDocument,
styleElm.BaseURI, markerStartUrl) as WpfMarkerRendering;
if (markerRenderer != null)
{
markerRenderer.RenderMarker(renderer, gr, SvgMarkerPosition.Start, styleElm);
}
}
if (markerMiddleUrl.Length > 0)
{
// TODO markerMiddleUrl != markerStartUrl
WpfMarkerRendering markerRenderer = CreateByUri(styleElm.OwnerDocument,
styleElm.BaseURI, markerMiddleUrl) as WpfMarkerRendering;
if (markerRenderer != null)
{
markerRenderer.RenderMarker(renderer, gr, SvgMarkerPosition.Mid, styleElm);
}
}
if (markerEndUrl.Length > 0)
{
// TODO: markerEndUrl != markerMiddleUrl
WpfMarkerRendering markerRenderer = CreateByUri(styleElm.OwnerDocument,
styleElm.BaseURI, markerEndUrl) as WpfMarkerRendering;
if (markerRenderer != null)
{
markerRenderer.RenderMarker(renderer, gr, SvgMarkerPosition.End, styleElm);
}
}
}
}
public void RenderMarkerEx0(WpfDrawingRenderer renderer, WpfDrawingContext gr,
SvgMarkerPosition markerPos, SvgStyleableElement refElement)
{
//ISharpMarkerHost markerHostElm = (ISharpMarkerHost)refElement;
//SvgMarkerElement markerElm = (SvgMarkerElement)element;
//SvgPointF[] vertexPositions = markerHostElm.MarkerPositions;
//int start;
//int len;
//// Choose which part of the position array to use
//switch (markerPos)
//{
// case SvgMarkerPosition.Start:
// start = 0;
// len = 1;
// break;
// case SvgMarkerPosition.Mid:
// start = 1;
// len = vertexPositions.Length - 2;
// break;
// default:
// // == MarkerPosition.End
// start = vertexPositions.Length - 1;
// len = 1;
// break;
//}
//for (int i = start; i < start + len; i++)
//{
// SvgPointF point = vertexPositions[i];
// GdiGraphicsContainer gc = gr.BeginContainer();
// gr.TranslateTransform(point.X, point.Y);
// if (markerElm.OrientType.AnimVal.Equals(SvgMarkerOrient.Angle))
// {
// gr.RotateTransform((float)markerElm.OrientAngle.AnimVal.Value);
// }
// else
// {
// float angle;
// switch (markerPos)
// {
// case SvgMarkerPosition.Start:
// angle = markerHostElm.GetStartAngle(i + 1);
// break;
// case SvgMarkerPosition.Mid:
// //angle = (markerHostElm.GetEndAngle(i) + markerHostElm.GetStartAngle(i + 1)) / 2;
// angle = SvgNumber.CalcAngleBisection(markerHostElm.GetEndAngle(i), markerHostElm.GetStartAngle(i + 1));
// break;
// default:
// angle = markerHostElm.GetEndAngle(i);
// break;
// }
// gr.RotateTransform(angle);
// }
// if (markerElm.MarkerUnits.AnimVal.Equals(SvgMarkerUnit.StrokeWidth))
// {
// SvgLength strokeWidthLength = new SvgLength(refElement,
// "stroke-width", SvgLengthSource.Css, SvgLengthDirection.Viewport, "1");
// float strokeWidth = (float)strokeWidthLength.Value;
// gr.ScaleTransform(strokeWidth, strokeWidth);
// }
// SvgPreserveAspectRatio spar =
// (SvgPreserveAspectRatio)markerElm.PreserveAspectRatio.AnimVal;
// float[] translateAndScale = spar.FitToViewBox((SvgRect)markerElm.ViewBox.AnimVal,
// new SvgRect(0, 0, markerElm.MarkerWidth.AnimVal.Value,
// markerElm.MarkerHeight.AnimVal.Value));
// gr.TranslateTransform(-(float)markerElm.RefX.AnimVal.Value * translateAndScale[2],
// -(float)markerElm.RefY.AnimVal.Value * translateAndScale[3]);
// gr.ScaleTransform(translateAndScale[2], translateAndScale[3]);
// Clip(gr);
// renderer.RenderChildren(markerElm);
// gr.EndContainer(gc);
//}
}
private Drawing GetImage(WpfDrawingContext context)
{
WpfDrawingRenderer renderer = new WpfDrawingRenderer();
renderer.Window = _patternElement.OwnerDocument.Window as SvgWindow;
WpfDrawingSettings settings = context.Settings.Clone();
settings.TextAsGeometry = true;
WpfDrawingContext patternContext = new WpfDrawingContext(true,
settings);
patternContext.Initialize(null, context.FontFamilyVisitor, null);
SvgSvgElement elm = MoveIntoSvgElement();
renderer.Render((SvgElement)elm, patternContext);
Drawing img = renderer.Drawing;
MoveOutOfSvgElement(elm);
return img;
}
public override void Render(WpfDrawingRenderer renderer)
{
WpfDrawingContext context = renderer.Context;
SvgRenderingHint hint = _svgElement.RenderingHint;
if (hint != SvgRenderingHint.Shape || hint == SvgRenderingHint.Clipping)
{
return;
}
// We do not directly render the contents of the clip-path, unless specifically requested...
if (String.Equals(_svgElement.ParentNode.LocalName, "clipPath") &&
!context.RenderingClipRegion)
{
return;
}
SvgStyleableElement styleElm = (SvgStyleableElement)_svgElement;
string sVisibility = styleElm.GetPropertyValue("visibility");
string sDisplay = styleElm.GetPropertyValue("display");
if (String.Equals(sVisibility, "hidden") || String.Equals(sDisplay, "none"))
{
return;
}
DrawingGroup drawGroup = context.Peek();
Debug.Assert(drawGroup != null);
Geometry geometry = CreateGeometry(_svgElement, context.OptimizePath);
if (geometry != null && !geometry.IsEmpty())
{
SetClip(context);
WpfSvgPaint fillPaint = new WpfSvgPaint(context, styleElm, "fill");
string fileValue = styleElm.GetAttribute("fill");
Brush brush = fillPaint.GetBrush(geometry);
WpfSvgPaint strokePaint = new WpfSvgPaint(context, styleElm, "stroke");
Pen pen = strokePaint.GetPen();
if (brush != null || pen != null)
{
Transform transform = this.Transform;
if (transform != null && !transform.Value.IsIdentity)
{
geometry.Transform = transform;
if (brush != null)
{
Transform brushTransform = brush.Transform;
if (brushTransform == null || brushTransform == Transform.Identity)
{
brush.Transform = transform;
}
else
{
TransformGroup groupTransform = new TransformGroup();
groupTransform.Children.Add(brushTransform);
groupTransform.Children.Add(transform);
brush.Transform = groupTransform;
}
}
}
else
{
transform = null; // render any identity transform useless...
}
GeometryDrawing drawing = new GeometryDrawing(brush, pen, geometry);
string elementId = this.GetElementName();
if (!String.IsNullOrEmpty(elementId) && !context.IsRegisteredId(elementId))
{
drawing.SetValue(FrameworkElement.NameProperty, elementId);
context.RegisterId(elementId);
if (context.IncludeRuntime)
{
SvgObject.SetId(drawing, elementId);
}
}
Brush maskBrush = this.Masking;
Geometry clipGeom = this.ClipGeometry;
if (clipGeom != null || maskBrush != null)
{
//Geometry clipped = Geometry.Combine(geometry, clipGeom,
// GeometryCombineMode.Exclude, null);
//if (clipped != null && !clipped.IsEmpty())
//{
// geometry = clipped;
//}
DrawingGroup clipMaskGroup = new DrawingGroup();
Rect geometryBounds = geometry.Bounds;
if (clipGeom != null)
{
clipMaskGroup.ClipGeometry = clipGeom;
SvgUnitType clipUnits = this.ClipUnits;
if (clipUnits == SvgUnitType.ObjectBoundingBox)
{
Rect drawingBounds = geometryBounds;
if (transform != null)
{
drawingBounds = transform.TransformBounds(drawingBounds);
}
TransformGroup transformGroup = new TransformGroup();
// Scale the clip region (at (0, 0)) and translate to the top-left corner of the target.
transformGroup.Children.Add(
new ScaleTransform(drawingBounds.Width, drawingBounds.Height));
transformGroup.Children.Add(
new TranslateTransform(drawingBounds.X, drawingBounds.Y));
clipGeom.Transform = transformGroup;
}
else
{
if (transform != null)
{
clipGeom.Transform = transform;
}
}
}
if (maskBrush != null)
{
SvgUnitType maskUnits = this.MaskUnits;
if (maskUnits == SvgUnitType.ObjectBoundingBox)
{
Rect drawingBounds = geometryBounds;
if (transform != null)
{
drawingBounds = transform.TransformBounds(drawingBounds);
}
TransformGroup transformGroup = new TransformGroup();
// Scale the clip region (at (0, 0)) and translate to the top-left corner of the target.
transformGroup.Children.Add(
new ScaleTransform(drawingBounds.Width, drawingBounds.Height));
transformGroup.Children.Add(
new TranslateTransform(drawingBounds.X, drawingBounds.Y));
DrawingGroup maskGroup = ((DrawingBrush)maskBrush).Drawing as DrawingGroup;
if (maskGroup != null)
{
DrawingCollection maskDrawings = maskGroup.Children;
for (int i = 0; i < maskDrawings.Count; i++)
{
Drawing maskDrawing = maskDrawings[i];
GeometryDrawing maskGeomDraw = maskDrawing as GeometryDrawing;
if (maskGeomDraw != null)
{
if (maskGeomDraw.Brush != null)
{
ConvertColors(maskGeomDraw.Brush);
}
if (maskGeomDraw.Pen != null)
{
ConvertColors(maskGeomDraw.Pen.Brush);
}
}
}
}
//if (transformGroup != null)
//{
// drawingBounds = transformGroup.TransformBounds(drawingBounds);
//}
//maskBrush.Viewbox = drawingBounds;
//maskBrush.ViewboxUnits = BrushMappingMode.Absolute;
//maskBrush.Stretch = Stretch.Uniform;
//maskBrush.Viewport = drawingBounds;
//maskBrush.ViewportUnits = BrushMappingMode.Absolute;
maskBrush.Transform = transformGroup;
}
else
{
if (transform != null)
{
maskBrush.Transform = transform;
}
}
clipMaskGroup.OpacityMask = maskBrush;
}
clipMaskGroup.Children.Add(drawing);
drawGroup.Children.Add(clipMaskGroup);
}
else
{
drawGroup.Children.Add(drawing);
}
}
}
RenderMarkers(renderer, styleElm, context);
}
// disable default rendering
public override void BeforeRender(WpfDrawingRenderer renderer)
{
base.BeforeRender(renderer);
_matrix = Matrix.Identity;
WpfDrawingContext context = renderer.Context;
//SetQuality(context);
//SetTransform(context);
//SetClip(_context);
//SetMask(_context);
_drawGroup = new DrawingGroup();
string sVisibility = _markerElement.GetPropertyValue("visibility");
string sDisplay = _markerElement.GetPropertyValue("display");
if (string.Equals(sVisibility, "hidden") || string.Equals(sDisplay, "none"))
{
// A 'marker' element with 'display' set to 'none' on that element or any
// ancestor is rendered when referenced by another element.
// _drawGroup.Opacity = 0;
}
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);
}
}
//Transform markerTransform = this.Transform;
//if (markerTransform != null && !markerTransform.Value.IsIdentity)
//{
// _drawGroup.Transform = markerTransform;
//}
//else
//{
// markerTransform = null; // render any identity transform useless...
//}
Geometry markerClip = this.ClipGeometry;
if (markerClip != null && !markerClip.IsEmpty())
{
_drawGroup.ClipGeometry = markerClip;
}
else
{
markerClip = null; // render any empty geometry useless...
}
Brush markerMask = this.Masking;
if (markerMask != null)
{
_drawGroup.OpacityMask = markerMask;
}
DrawingGroup currentGroup = context.Peek();
if (currentGroup == null)
{
throw new InvalidOperationException("An existing group is expected.");
}
currentGroup.Children.Add(_drawGroup);
context.Push(_drawGroup);
}
private GeometryCollection GetTextClippingRegion(SvgStyleableElement element,
WpfDrawingContext context)
{
GeometryCollection geomColl = new GeometryCollection();
WpfDrawingRenderer renderer = new WpfDrawingRenderer();
renderer.Window = _svgElement.OwnerDocument.Window as SvgWindow;
WpfDrawingSettings settings = context.Settings.Clone();
settings.TextAsGeometry = true;
WpfDrawingContext clipContext = new WpfDrawingContext(true,
settings);
clipContext.RenderingClipRegion = true;
clipContext.Initialize(null, context.FontFamilyVisitor, null);
renderer.Render(element, clipContext);
DrawingGroup rootGroup = renderer.Drawing as DrawingGroup;
if (rootGroup != null && rootGroup.Children.Count == 1)
{
DrawingGroup textGroup = rootGroup.Children[0] as DrawingGroup;
if (textGroup != null)
{
ExtractGeometry(textGroup, geomColl);
}
}
return geomColl;
}
public override void AfterRender(WpfDrawingRenderer renderer)
{
_clipGeometry = null;
_transformMatrix = null;
_maskBrush = null;
_maskUnits = SvgUnitType.UserSpaceOnUse;
_clipPathUnits = SvgUnitType.UserSpaceOnUse;
_maskContentUnits = SvgUnitType.UserSpaceOnUse;
}
public override void Render(WpfDrawingRenderer renderer)
{
if (_drawGroup != null)
{
Geometry clipGeom = this.ClipGeometry;
if (clipGeom != null)
{
_drawGroup.ClipGeometry = clipGeom;
}
Transform transform = this.Transform;
if (transform != null)
{
_drawGroup.Transform = transform;
}
float opacityValue = -1;
SvgGElement element = (SvgGElement)_svgElement;
string opacity = element.GetAttribute("opacity");
if (opacity != null && opacity.Length > 0)
{
opacityValue = (float)SvgNumber.ParseNumber(opacity);
opacityValue = Math.Min(opacityValue, 1);
opacityValue = Math.Max(opacityValue, 0);
}
if (opacityValue >= 0)
{
_drawGroup.Opacity = opacityValue;
}
}
base.Render(renderer);
}
public override void BeforeRender(WpfDrawingRenderer renderer)
{
if (renderer == null)
{
return;
}
_maskUnits = SvgUnitType.UserSpaceOnUse;
_clipPathUnits = SvgUnitType.UserSpaceOnUse;
_maskContentUnits = SvgUnitType.UserSpaceOnUse;
WpfDrawingContext context = renderer.Context;
SetQuality(context);
SetTransform(context);
SetClip(context);
SetMask(context);
}
public virtual void Render(WpfDrawingRenderer renderer)
{
}
public void RenderMarker(WpfDrawingRenderer renderer, WpfDrawingContext gr,
SvgMarkerPosition markerPos, SvgStyleableElement refElement)
{
ISharpMarkerHost markerHostElm = (ISharpMarkerHost)refElement;
SvgPointF[] vertexPositions = markerHostElm.MarkerPositions;
int start = 0;
int len = 0;
// Choose which part of the position array to use
switch (markerPos)
{
case SvgMarkerPosition.Start:
start = 0;
len = 1;
break;
case SvgMarkerPosition.Mid:
start = 1;
len = vertexPositions.Length - 2;
break;
default:
// == MarkerPosition.End
start = vertexPositions.Length - 1;
len = 1;
break;
}
int end = start + len;
TransformGroup transform = new TransformGroup();
for (int i = start; i < end; i++)
{
SvgPointF point = vertexPositions[i];
//GdiGraphicsContainer gc = gr.BeginContainer();
this.BeforeRender(renderer);
//Matrix matrix = Matrix.Identity;
Matrix matrix = GetTransformMatrix(_svgElement, transform);
ISvgAnimatedEnumeration orientType = _markerElement.OrientType;
if (orientType.AnimVal.Equals((ushort)SvgMarkerOrient.Angle))
{
double scaleValue = _markerElement.OrientAngle.AnimVal.Value;
if (!scaleValue.Equals(0))
{
matrix.Rotate(scaleValue);
transform.Children.Add(new RotateTransform(scaleValue));
}
}
else
{
bool isAutoReverse = orientType.AnimVal.Equals((ushort)SvgMarkerOrient.AutoStartReverse);
double angle = 0;
switch (markerPos)
{
case SvgMarkerPosition.Start:
angle = markerHostElm.GetStartAngle(i);
//angle = markerHostElm.GetStartAngle(i + 1);
if (vertexPositions.Length >= 2)
{
SvgPointF pMarkerPoint1 = vertexPositions[start];
SvgPointF pMarkerPoint2 = vertexPositions[end];
float xDiff = pMarkerPoint2.X - pMarkerPoint1.X;
float yDiff = pMarkerPoint2.Y - pMarkerPoint1.Y;
double angleMarker = (float)(Math.Atan2(yDiff, xDiff) * 180.0 / Math.PI);
if (!angleMarker.Equals(angle))
{
angle = angleMarker;
}
}
// A value of 'auto-start-reverse' means the same as 'auto' except that for a
// marker placed by 'marker-start', the orientation is 180° different from
// the orientation as determined by 'auto'.
if (isAutoReverse)
{
angle += 180;
}
break;
case SvgMarkerPosition.Mid:
//angle = (markerHostElm.GetEndAngle(i) + markerHostElm.GetStartAngle(i + 1)) / 2;
angle = SvgNumber.CalcAngleBisection(markerHostElm.GetEndAngle(i), markerHostElm.GetStartAngle(i + 1));
break;
default:
angle = markerHostElm.GetEndAngle(i - 1);
//angle = markerHostElm.GetEndAngle(i);
if (vertexPositions.Length >= 2)
{
SvgPointF pMarkerPoint1 = vertexPositions[start - 1];
SvgPointF pMarkerPoint2 = vertexPositions[start];
float xDiff = pMarkerPoint2.X - pMarkerPoint1.X;
float yDiff = pMarkerPoint2.Y - pMarkerPoint1.Y;
double angleMarker = (float)(Math.Atan2(yDiff, xDiff) * 180.0 / Math.PI);
if (!angleMarker.Equals(angle))
{
angle = angleMarker;
}
}
break;
}
matrix.Rotate(angle);
transform.Children.Add(new RotateTransform(angle));
}
// 'viewBox' and 'preserveAspectRatio' attributes
// viewBox -> viewport(0, 0, markerWidth, markerHeight)
SvgPreserveAspectRatio spar = (SvgPreserveAspectRatio)_markerElement.PreserveAspectRatio.AnimVal;
double[] translateAndScale = spar.FitToViewBox((SvgRect)_markerElement.ViewBox.AnimVal,
new SvgRect(0, 0, _markerElement.MarkerWidth.AnimVal.Value, _markerElement.MarkerHeight.AnimVal.Value));
// Warning at this time, refX and refY are relative to the painted element's coordinate system.
// We need to move the reference point to the marker's coordinate system
double refX = _markerElement.RefX.AnimVal.Value;
double refY = _markerElement.RefY.AnimVal.Value;
if (!(refX.Equals(0) && refY.Equals(0)))
{
var ptRef = matrix.Transform(new Point(refX, refY));
refX = ptRef.X;
refY = ptRef.Y;
matrix.Translate(-refX, -refY);
transform.Children.Add(new TranslateTransform(-refX, -refY));
}
//matrix.Translate(-markerElm.RefX.AnimVal.Value * translateAndScale[2],
// -markerElm.RefY.AnimVal.Value * translateAndScale[3]);
//transform.Children.Add(new TranslateTransform(-markerElm.RefX.AnimVal.Value * translateAndScale[2],
// -markerElm.RefY.AnimVal.Value * translateAndScale[3]));
// compute an additional transform for 'strokeWidth' coordinate system
ISvgAnimatedEnumeration markerUnits = _markerElement.MarkerUnits;
if (markerUnits.AnimVal.Equals((ushort)SvgMarkerUnit.StrokeWidth))
{
SvgLength strokeWidthLength = new SvgLength(refElement,
"stroke-width", SvgLengthSource.Css, SvgLengthDirection.Viewport, "1");
double strokeWidth = strokeWidthLength.Value;
if (!strokeWidth.Equals(1))
{
matrix.Scale(strokeWidth, strokeWidth);
transform.Children.Add(new ScaleTransform(strokeWidth, strokeWidth));
}
}
if (!(translateAndScale[2].Equals(1) && translateAndScale[3].Equals(1)))
{
matrix.Scale(translateAndScale[2], translateAndScale[3]);
transform.Children.Add(new ScaleTransform(translateAndScale[2], translateAndScale[3]));
}
matrix.Translate(point.X, point.Y);
transform.Children.Add(new TranslateTransform(point.X, point.Y));
_matrix = matrix;
this.Transform = transform;
this.Render(renderer);
//Clip(gr);
renderer.RenderChildren(_markerElement);
//gr.EndContainer(gc);
this.AfterRender(renderer);
}
}
