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");
}
}
}
public FieldRule(
int width = 10,
LineBreaking lineBreaking = LineBreaking.Anywhere,
Align align = Align.Left,
int paddingLeft = 0,
int paddingRight = 0,
int paddingTop = 0,
int paddingBottom = 0)
{
if (width <= 0)
{
throw new ArgumentOutOfRangeException(nameof(width));
}
if (paddingLeft < 0)
{
throw new ArgumentOutOfRangeException(nameof(paddingLeft));
}
if (paddingRight < 0)
{
throw new ArgumentOutOfRangeException(nameof(paddingRight));
}
if (paddingTop < 0)
{
throw new ArgumentOutOfRangeException(nameof(paddingTop));
}
if (paddingBottom < 0)
{
throw new ArgumentOutOfRangeException(nameof(paddingBottom));
}
this.Width = width;
this.Align = align;
this.LineBreaking = lineBreaking;
this.PaddingLeft = paddingLeft;
this.PaddingRight = paddingRight;
this.PaddingTop = paddingTop;
this.PaddingBottom = paddingBottom;
}
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, StartOfParagraph from, EndOfParagraph to, InlineStyle style, out InlineStyle newStyle)
{
return InlineLayoutEngine.Solve(constraint, from.Glue, _objectList, to.Glue, PenaltyValue(to), _heading, style, out newStyle);
}
private static int PenaltyValue(LineBreaking.IBreakPoint to)
{
return to.Penalty;
}
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);
}
