public LineBreaking.IUnjustifiedLine <Printing.IPrintableLine> CreateLine(LineBreaking.ILineConstraint constraint, InlineStyle style, LineBreaking.IBreakPoint from, LineBreaking.IBreakPoint to, out InlineStyle newStyle)
{
IInterletter fromAsJapaneseInterletterspace;
IInterletter toAsJapaneseInterletterspace;
StartOfParagraph fromAsStart;
EndOfParagraph toAsEnd;
fromAsJapaneseInterletterspace = from as IInterletter;
toAsJapaneseInterletterspace = to as IInterletter;
if (fromAsJapaneseInterletterspace != null)
{
if (toAsJapaneseInterletterspace != null)
{
return(CreateLine(constraint, fromAsJapaneseInterletterspace, toAsJapaneseInterletterspace, style, out newStyle));
}
else
{
toAsEnd = to as EndOfParagraph;
if (toAsEnd != null)
{
return(CreateLine(constraint, fromAsJapaneseInterletterspace, toAsEnd, style, out newStyle));
}
else
{
throw new ArgumentException("type error", "to");
}
}
}
else
{
fromAsStart = from as StartOfParagraph;
if (fromAsStart != null)
{
if (toAsJapaneseInterletterspace != null)
{
return(CreateLine(constraint, fromAsStart, toAsJapaneseInterletterspace, style, out newStyle));
}
else
{
toAsEnd = to as EndOfParagraph;
if (toAsEnd != null)
{
return(CreateLine(constraint, fromAsStart, toAsEnd, style, out newStyle));
}
else
{
throw new ArgumentException("type error", "to");
}
}
}
else
{
throw new ArgumentException("type error", "start");
}
}
}
private LineBreaking.IUnjustifiedLine <Printing.IPrintableLine> CreateLine(LineBreaking.ILineConstraint constraint, StartOfParagraph from, IInterletter to, InlineStyle style, out InlineStyle newStyle)
{
var toIndex = Array.IndexOf(_objectList, to);
if (toIndex == -1)
{
throw new ArgumentException("to");
}
return(InlineLayoutEngine.Solve(constraint, from.Glue, _objectList.Take(toIndex), to.GlueBeforeBreak, PenaltyValue(to), _heading, style, out newStyle));
}
private LineBreaking.IUnjustifiedLine <Printing.IPrintableLine> CreateLine(LineBreaking.ILineConstraint constraint, IInterletter from, EndOfParagraph to, InlineStyle style, out InlineStyle newStyle)
{
var fromIndex = Array.IndexOf(_objectList, from);
if (fromIndex == -1)
{
throw new ArgumentException("from");
}
return(InlineLayoutEngine.Solve(
constraint,
new GlueProperty(from.IndentAfterBreak, 0, 0),
_objectList.Skip(fromIndex + 1), to.Glue, PenaltyValue(to), _heading, style, out newStyle));
}
public static UnjustifiedLine Solve(
LineBreaking.ILineConstraint constraint,
GlueProperty startGlue,
IEnumerable <IFormatObject> objectList,
GlueProperty endGlue,
float penaltyValue,
Heading heading,
InlineStyle style,
out InlineStyle newStyle)
{
IFragment[] fragments = ConvertToFragments(ref startGlue, objectList, ref endGlue, style, out newStyle);
var rubyLayoutedBuffer = LayoutRubyInLine(constraint, fragments, endGlue.Length);
return(new UnjustifiedLine(rubyLayoutedBuffer, penaltyValue, heading));
}
private static IFragment[] LayoutRubyInLine(
LineBreaking.ILineConstraint constraint, IFragment[] fragmentList, float endSpaceLength)
{
//TODO: constraint を考慮して最適なものを選ぶ
IFragment[] layouted = new IFragment[fragmentList.Length];
var n = fragmentList.Length;
for (int i = 0; i < n; ++i)
{
IFragment current = fragmentList[i];
IAdjacentableToFragment before = (i > 0 ? fragmentList[i - 1] : DenyRubyHanging.theInstance);
IAdjacentableToFragment after = (i < n - 1 ? fragmentList[i + 1] : DenyRubyHanging.theInstance);
layouted[i] = current.LayoutRuby(before, after);
}
return(layouted);
}
LineBreaking.IUnjustifiedLine <Printing.IPrintableLine> LineBreaking.IParagraphModel <Printing.IPrintableLine, InlineStyle> .CreateLine(LineBreaking.ILineConstraint constraint, LineBreaking.IBreakPoint from, LineBreaking.IBreakPoint to, InlineStyle style, out InlineStyle newStyle)
{
var factory = new UnjustifiedLineBuilder(_objectList, _heading);
return(factory.CreateLine(constraint, style, from, to, out newStyle));
}
private LineBreaking.IUnjustifiedLine <Printing.IPrintableLine> CreateLine(LineBreaking.ILineConstraint constraint, StartOfParagraph from, EndOfParagraph to, InlineStyle style, out InlineStyle newStyle)
{
return(InlineLayoutEngine.Solve(constraint, from.Glue, _objectList, to.Glue, PenaltyValue(to), _heading, style, out newStyle));
}
