private IEnumerable<IRenderArgument> DoRenderLine(ITextRender2MeasureMap map, ITextRender2MeasureMapLine line)
{
foreach (var el in line.GetMeasureMap())
{
yield return DoRenderElement(map, line, el);
}
}
private IRenderArgument DoRenderElement(ITextRender2MeasureMap map, ITextRender2MeasureMapLine line, TextRender2MeasureMapElement el)
{
return new NativeRenderArgument(map, line, el, Callback);
}
public NativeRenderArgument(ITextRender2MeasureMap map, ITextRender2MeasureMapLine line, TextRender2MeasureMapElement el, ITextRender2RenderCallback callback)
{
if (map == null) throw new ArgumentNullException(nameof(map));
if (line == null) throw new ArgumentNullException(nameof(line));
if (callback == null) throw new ArgumentNullException(nameof(callback));
var command = el.Command;
string text;
var textCnt = command.Content as ITextRenderTextContent;
if (textCnt != null)
{
text = textCnt.Text ?? "";
}
else
{
text = "";
}
Text = text;
ElementSize = el.Size;
Placement = el.Placement;
LineHeight = line.Height;
StrikethrougKoef = map.StrikethrougKoef;
if (command.Attributes.Attributes.ContainsKey(CommonTextRenderAttributes.Link))
{
var linkAttribute = command.Attributes.Attributes[CommonTextRenderAttributes.Link] as ITextRenderLinkAttribute;
if (linkAttribute != null)
{
Link = new LinkDataWrapper(linkAttribute);
}
}
Callback = new RenderCallbackWrapper(callback);
TextAttributeFlags flags = 0;
var attr = command.Attributes.Attributes;
if (attr.ContainsKey(CommonTextRenderAttributes.Link))
{
flags = flags | TextAttributeFlags.Link;
}
if (attr.ContainsKey(CommonTextRenderAttributes.Bold))
{
flags = flags | TextAttributeFlags.Bold;
}
if (attr.ContainsKey(CommonTextRenderAttributes.Fixed))
{
flags = flags | TextAttributeFlags.Fixed;
}
if (attr.ContainsKey(CommonTextRenderAttributes.Italic))
{
flags = flags | TextAttributeFlags.Italic;
}
if (attr.ContainsKey(CommonTextRenderAttributes.Overline))
{
flags = flags | TextAttributeFlags.Overline;
}
if (attr.ContainsKey(CommonTextRenderAttributes.Quote))
{
flags = flags | TextAttributeFlags.Quote;
}
if (attr.ContainsKey(CommonTextRenderAttributes.Spoiler))
{
flags = flags | TextAttributeFlags.Spoiler;
}
if (attr.ContainsKey(CommonTextRenderAttributes.Strikethrough))
{
flags = flags | TextAttributeFlags.Strikethrough;
}
if (attr.ContainsKey(CommonTextRenderAttributes.Subscript))
{
flags = flags | TextAttributeFlags.Subscript;
}
if (attr.ContainsKey(CommonTextRenderAttributes.Superscript))
{
flags = flags | TextAttributeFlags.Superscript;
}
if (attr.ContainsKey(CommonTextRenderAttributes.Undeline))
{
flags = flags | TextAttributeFlags.Undeline;
}
Flags = flags;
}
public MeasureMap(ITextRender2MeasureMapLine[] lines, double width, int? maxLines, double strikethrougKoef)
{
if (lines == null) throw new ArgumentNullException(nameof(lines));
this.lines = lines;
MaxLines = maxLines;
var h = 0.0;
foreach (var l in lines)
{
if (maxLines.HasValue)
{
if (l.LineNumber >= maxLines.Value)
{
ExceedLines = true;
break;
}
}
h += l.Height;
}
Bounds = new Size(width, h);
StrikethrougKoef = strikethrougKoef;
}
