protected override void Write([NotNull] WpfRenderer renderer, [NotNull] EmphasisInline obj)
{
Span span = null;
switch (obj.DelimiterChar)
{
case '*':
case '_':
span = obj.IsDouble ? (Span) new Bold() : new Italic();
break;
case '~':
span = new Span();
if (obj.IsDouble)
{
renderer.Styles.ApplyStrikeThroughStyle(span);
}
else
{
renderer.Styles.ApplySubscriptStyle(span);
if (span.FontSize < 1)
{
span.FontSize = renderer.CurrentFontSize() * span.FontSize;
}
}
break;
case '^':
span = new Span();
renderer.Styles.ApplySuperscriptStyle(span);
if (span.FontSize < 1)
{
span.FontSize = renderer.CurrentFontSize() * span.FontSize;
}
break;
case '+':
span = new Span();
renderer.Styles.ApplyInsertedStyle(span);
break;
case '=':
span = new Span();
renderer.Styles.ApplyMarkedStyle(span);
break;
}
if (span != null)
{
span.Tag = obj;
renderer.Push(span);
renderer.WriteChildren(obj);
renderer.Pop();
}
else
{
renderer.WriteChildren(obj);
}
}
protected override void Write(WpfRenderer renderer, EmphasisInline obj)
{
if (renderer == null)
{
throw new ArgumentNullException(nameof(renderer));
}
if (obj == null)
{
throw new ArgumentNullException(nameof(obj));
}
Span?span = null;
switch (obj.DelimiterChar)
{
case '*':
case '_':
span = obj.DelimiterCount == 2 ? (Span) new Bold() : new Italic();
break;
case '~':
span = new Span();
span.SetResourceReference(FrameworkContentElement.StyleProperty, obj.DelimiterCount == 2 ? Styles.StrikeThroughStyleKey : Styles.SubscriptStyleKey);
break;
case '^':
span = new Span();
span.SetResourceReference(FrameworkContentElement.StyleProperty, Styles.SuperscriptStyleKey);
break;
case '+':
span = new Span();
span.SetResourceReference(FrameworkContentElement.StyleProperty, Styles.InsertedStyleKey);
break;
case '=':
span = new Span();
span.SetResourceReference(FrameworkContentElement.StyleProperty, Styles.MarkedStyleKey);
break;
}
if (span != null)
{
renderer.Push(span);
renderer.WriteChildren(obj);
renderer.Pop();
}
else
{
renderer.WriteChildren(obj);
}
}
protected override void Write([NotNull] WpfRenderer renderer, [NotNull] CodeBlock obj)
{
var paragraph = new Paragraph()
{
Tag = obj
};
renderer.Styles.ApplyCodeBlockStyle(paragraph);
renderer.Push(paragraph);
if (obj.Inline != null)
{
// there was a post-processor which has already processed the lines in this code block
renderer.WriteChildren(obj.Inline);
}
else // there was no post-processor - we have to do the writing of the code lines
{
// original code: renderer.WriteLeafRawLines(obj); // Expand this call directly here in order to be able to include tags
var lines = obj.Lines;
if (lines.Lines != null)
{
var slices = lines.Lines;
for (var i = 0; i < lines.Count; i++)
{
renderer.WriteInline(new Run(slices[i].Slice.ToString()));
renderer.WriteInline(new LineBreak());
}
}
}
renderer.Pop();
}
protected override void Write([NotNull] WpfRenderer renderer, [NotNull] ListBlock listBlock)
{
var list = new List();
if (listBlock.IsOrdered)
{
list.MarkerStyle = TextMarkerStyle.Decimal;
if (listBlock.OrderedStart != null && (listBlock.DefaultOrderedStart != listBlock.OrderedStart))
{
list.StartIndex = int.Parse(listBlock.OrderedStart);
}
}
else
{
list.MarkerStyle = TextMarkerStyle.Disc;
}
renderer.Push(list);
foreach (var item in listBlock)
{
var listItemBlock = (ListItemBlock)item;
var listItem = new ListItem();
renderer.Push(listItem);
renderer.WriteChildren(listItemBlock);
renderer.Pop();
}
renderer.Pop();
}
/// <inheritdoc/>
protected override void Write([NotNull] WpfRenderer renderer, [NotNull] LinkInline link)
{
var url = link.GetDynamicUrl != null?link.GetDynamicUrl() ?? link.Url : link.Url;
if (!Uri.IsWellFormedUriString(url, UriKind.RelativeOrAbsolute))
{
url = "#";
}
if (link.IsImage)
{
var image = new Image
{
Source = new BitmapImage(new Uri(url))
};
image.SetResourceReference(FrameworkContentElement.StyleProperty, Styles.ImageStyleKey);
renderer.WriteInline(new InlineUIContainer(image));
}
else
{
var hyperlink = new Hyperlink
{
Command = Commands.Hyperlink,
CommandParameter = url,
NavigateUri = new Uri(url, UriKind.RelativeOrAbsolute),
ToolTip = link.Title != string.Empty ? link.Title : null,
};
renderer.Push(hyperlink);
renderer.WriteChildren(link);
renderer.Pop();
}
}
protected override void Write([NotNull] WpfRenderer renderer, EmphasisInline obj)
{
var inline = GetInline(obj);
// TODO: "render" the inline
renderer.WriteChildren(obj);
// TODO: add children to the inline
// Note: could be a push/pop API with a stack. Pop automatically adds children into the inline and removes it from the stack.
}
/// <inheritdoc/>
protected override void Write([NotNull] WpfRenderer renderer, [NotNull] QuoteBlock obj)
{
var section = new Section();
renderer.Push(section);
renderer.WriteChildren(obj);
section.SetResourceReference(FrameworkContentElement.StyleProperty, Styles.QuoteBlockStyleKey);
renderer.Pop();
}
protected override void Write([NotNull] WpfRenderer renderer, [NotNull] EmphasisInline obj)
{
Span span = null;
switch (obj.DelimiterChar)
{
case '*':
case '_':
span = obj.IsDouble ? (Span) new Bold() : new Italic();
break;
case '~':
span = new Span();
span.SetResourceReference(FrameworkContentElement.StyleProperty, obj.IsDouble ? Styles.StrikeThroughStyleKey: Styles.SubscriptStyleKey);
break;
case '^':
span = new Span();
span.SetResourceReference(FrameworkContentElement.StyleProperty, Styles.SuperscriptStyleKey);
break;
case '+':
span = new Span();
span.SetResourceReference(FrameworkContentElement.StyleProperty, Styles.InsertedStyleKey);
break;
case '=':
span = new Span();
span.SetResourceReference(FrameworkContentElement.StyleProperty, Styles.MarkedStyleKey);
break;
}
if (span != null)
{
renderer.Push(span);
renderer.WriteChildren(obj);
renderer.Pop();
}
else
{
renderer.WriteChildren(obj);
}
}
protected override void Write([NotNull] WpfRenderer renderer, [NotNull] EmphasisInline obj)
{
Span span = null;
if (obj.DelimiterChar == '*' || obj.DelimiterChar == '_')
{
span = obj.IsDouble ? (Span) new Bold() : new Italic();
}
if (span != null)
{
renderer.Push(span);
renderer.WriteChildren(obj);
renderer.Pop();
}
else
{
renderer.WriteChildren(obj);
}
}
/// <inheritdoc/>
protected override void Write(WpfRenderer renderer, LinkInline link)
{
if (renderer == null)
{
throw new ArgumentNullException(nameof(renderer));
}
if (link == null)
{
throw new ArgumentNullException(nameof(link));
}
var url = link.GetDynamicUrl != null?link.GetDynamicUrl() ?? link.Url : link.Url;
if (!Uri.IsWellFormedUriString(url, UriKind.RelativeOrAbsolute))
{
url = "#";
}
if (link.IsImage)
{
var template = new ControlTemplate();
var image = new FrameworkElementFactory(typeof(Image));
image.SetValue(Image.SourceProperty, new BitmapImage(new Uri(url, UriKind.RelativeOrAbsolute)));
image.SetResourceReference(FrameworkContentElement.StyleProperty, Styles.ImageStyleKey);
template.VisualTree = image;
var btn = new Button()
{
Template = template,
Command = Commands.Image,
CommandParameter = url
};
renderer.WriteInline(new InlineUIContainer(btn));
}
else
{
var hyperlink = new Hyperlink
{
Command = Commands.Hyperlink,
CommandParameter = url,
NavigateUri = new Uri(url, UriKind.RelativeOrAbsolute),
ToolTip = !string.IsNullOrEmpty(link.Title) ? link.Title : null,
};
hyperlink.SetResourceReference(FrameworkContentElement.StyleProperty, Styles.HyperlinkStyleKey);
renderer.Push(hyperlink);
renderer.WriteChildren(link);
renderer.Pop();
}
}
/// <inheritdoc/>
protected override void Write([NotNull] WpfRenderer renderer, [NotNull] QuoteBlock obj)
{
var section = new Section()
{
Tag = obj
};
renderer.Styles.ApplyQuoteBlockStyle(section);
renderer.Push(section);
renderer.WriteChildren(obj);
renderer.Pop();
}
/// <inheritdoc/>
protected override void Write(WpfRenderer renderer, DelimiterInline obj)
{
if (renderer == null)
{
throw new ArgumentNullException(nameof(renderer));
}
if (obj == null)
{
throw new ArgumentNullException(nameof(obj));
}
renderer.WriteText(obj.ToLiteral());
renderer.WriteChildren(obj);
}
/// <inheritdoc/>
protected override void Write(WpfRenderer renderer, QuoteBlock obj)
{
if (renderer == null)
{
throw new ArgumentNullException(nameof(renderer));
}
if (obj == null)
{
throw new ArgumentNullException(nameof(obj));
}
var section = new Section();
renderer.Push(section);
renderer.WriteChildren(obj);
section.SetResourceReference(FrameworkContentElement.StyleProperty, Styles.QuoteBlockStyleKey);
renderer.Pop();
}
protected override void Write(WpfRenderer renderer, ListBlock listBlock)
{
if (renderer == null)
{
throw new ArgumentNullException(nameof(renderer));
}
if (listBlock == null)
{
throw new ArgumentNullException(nameof(listBlock));
}
var list = new List();
if (listBlock.IsOrdered)
{
list.MarkerStyle = TextMarkerStyle.Decimal;
if (listBlock.OrderedStart != null && (listBlock.DefaultOrderedStart != listBlock.OrderedStart))
{
list.StartIndex = int.Parse(listBlock.OrderedStart, NumberFormatInfo.InvariantInfo);
}
}
else
{
list.MarkerStyle = TextMarkerStyle.Disc;
}
renderer.Push(list);
foreach (var item in listBlock)
{
var listItemBlock = (ListItemBlock)item;
var listItem = new ListItem();
renderer.Push(listItem);
renderer.WriteChildren(listItemBlock);
renderer.Pop();
}
renderer.Pop();
}
/// <inheritdoc/>
protected override void Write([NotNull] WpfRenderer renderer, [NotNull] DelimiterInline obj)
{
renderer.WriteText(obj.ToLiteral());
renderer.WriteChildren(obj);
}
/// <inheritdoc/>
protected override void Write([NotNull] WpfRenderer renderer, [NotNull] LinkInline link)
{
var url = link.GetDynamicUrl != null?link.GetDynamicUrl() ?? link.Url : link.Url;
if (link.IsImage)
{
var inline = renderer.ImageProvider.GetInlineItem(url, out var inlineItemIsErrorMessage);
double?width = null, height = null;
if (link.ContainsData(typeof(Markdig.Renderers.Html.HtmlAttributes)))
{
var htmlAttributes = (Markdig.Renderers.Html.HtmlAttributes)link.GetData(typeof(Markdig.Renderers.Html.HtmlAttributes));
if (null != htmlAttributes.Properties)
{
foreach (var entry in htmlAttributes.Properties)
{
switch (entry.Key.ToLowerInvariant())
{
case "width":
width = GetLength(entry.Value);
break;
case "height":
height = GetLength(entry.Value);
break;
}
}
}
}
if (null != inline)
{
inline.Tag = link;
if (inline is InlineUIContainer container && container.Child is Image image)
{
renderer.Styles.ApplyImageStyle(image);
var bitmapSource = image.Source as BitmapSource;
if (width.HasValue && height.HasValue)
{
// then we do a non-uniform stretching
if (null != bitmapSource && (bitmapSource.PixelWidth < width.Value || bitmapSource.PixelHeight < height.Value))
{
// we have to use scale to up-scale the image
image.LayoutTransform = new System.Windows.Media.ScaleTransform(width.Value / image.Source.Width, height.Value / image.Source.Height);
image.Width = width.Value;
image.Height = height.Value;
image.Stretch = System.Windows.Media.Stretch.Fill;
}
else
{
image.Width = width.Value;
image.Height = height.Value;
image.Stretch = System.Windows.Media.Stretch.Fill;
}
}
else if (width.HasValue)
{
if (null != bitmapSource && bitmapSource.PixelWidth < width.Value)
{
// we have to use scale to up-scale the image
double scale = width.Value / bitmapSource.PixelWidth;
image.LayoutTransform = new System.Windows.Media.ScaleTransform(scale, scale);
}
else
{
image.Width = width.Value;
image.Stretch = System.Windows.Media.Stretch.Uniform;
}
}
else if (height.HasValue)
{
if (null != bitmapSource && bitmapSource.PixelHeight < height.Value)
{
// we have to use scale to up-scale the image
double scale = height.Value / bitmapSource.PixelHeight;
image.LayoutTransform = new System.Windows.Media.ScaleTransform(scale, scale);
}
else
{
image.Height = height.Value;
image.Stretch = System.Windows.Media.Stretch.Uniform;
}
}
else // neither width nor height provided
{
// it seems like a bug (or a feature?) in Wpf that to determine the size of the image,
// _not_ the width and height property of the image source is used.
// Instead it seems here that the PixelWidth and the PixelHeight is used and interpreted
// as 1/96th inch.
// We correct for that by assigning the image the width and height of the imageSource
// TODO: if the above theory is correct, then the next lines will work only if the Dpi of the bitmapSource is >=96
image.Width = image.Source.Width;
image.Height = image.Source.Height;
image.Stretch = System.Windows.Media.Stretch.Uniform;
}
}
renderer.WriteInline(inline);
}
}
else
{
Hyperlink hyperlink = null;
if (Uri.IsWellFormedUriString(url, UriKind.RelativeOrAbsolute))
{
hyperlink = new Hyperlink
{
Command = Commands.Hyperlink,
CommandParameter = url,
NavigateUri = new Uri(url, UriKind.RelativeOrAbsolute),
ToolTip = link.Title != string.Empty ? link.Title : null,
Tag = link
};
}
else // not a well formed Uri String - then it is probably a fragment reference
{
hyperlink = new Hyperlink
{
Command = Commands.FragmentLink,
CommandParameter = url,
NavigateUri = new Uri(url, UriKind.RelativeOrAbsolute),
ToolTip = link.Title != string.Empty ? link.Title : null,
Tag = link
};
}
renderer.Styles.ApplyHyperlinkStyle(hyperlink);
renderer.Push(hyperlink);
renderer.WriteChildren(link);
renderer.Pop();
}
}
protected override void Write([NotNull] WpfRenderer renderer, [NotNull] Markdig.Extensions.Figures.Figure obj)
{
renderer.WriteChildren(obj);
}