public static IFragment[] LayoutRubyInLine(IFragment[] fragmentList, float endSpaceLength)
{
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);
}
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);
}
public override IFragment LayoutRuby(IAdjacentableToFragment before, IAdjacentableToFragment after)
{
var baseBasic = (BasicFragmentString)_baseFragments;
var rubyBasic = (BasicFragmentString)_rubyFragments;
float beforeAcceptance = before.RubyHangingAcceptanceAfter;
float afterAcceptance = after.RubyHangingAcceptanceBefore;
//NOTE: 中。肩付きは未対応
//TODO: 同じ文字に前後両方からかかった場合のアキ（処理のレベルを上げる必要！）
float overLength = (float)(
(rubyBasic.Length - rubyBasic.FirstOffset) -
(baseBasic.Length - baseBasic.FirstOffset));
float alignment = (float)(baseBasic.FirstOffset - rubyBasic.FirstOffset);
if (overLength > 0)
{
var halfOverLength = overLength / 2;
if (beforeAcceptance >= halfOverLength && afterAcceptance >= halfOverLength)
{
//前後ともに掛け
return(new LayoutedRubyFragment(baseBasic, rubyBasic.Offset(alignment - halfOverLength)));
}
else if (afterAcceptance >= halfOverLength)
{
//前にアキ、後ろは掛け
var layoutedBase = baseBasic.Offset(halfOverLength);
return(new LayoutedRubyFragment(layoutedBase, rubyBasic.Offset(alignment)));
}
else
{
//TODO: 前のみ掛け。ただし後ろのみ掛けより優先順位は下。実装は構造変更が必要（最後の letter の length 伸ばす）
//それ以外は内部にアキ。
//今のところ掛けかつアキはしていない。
var layoutedBase = baseBasic.InsertSpaceInside(overLength);
return(new LayoutedRubyFragment(layoutedBase, rubyBasic.Offset(alignment)));
}
}
else
{
var alignedRuby = rubyBasic.Offset(alignment);
return(new LayoutedRubyFragment(baseBasic, alignedRuby.InsertSpace(-overLength)));
}
}
IFragment IFragment.LayoutRuby(IAdjacentableToFragment before, IAdjacentableToFragment after)
{
return(this);
}
public override IFragment LayoutRuby(IAdjacentableToFragment before, IAdjacentableToFragment after)
{
throw new InvalidOperationException("This has already been layouted!");
}
public abstract IFragment LayoutRuby(IAdjacentableToFragment before, IAdjacentableToFragment after);
public override IFragment LayoutRuby(IAdjacentableToFragment before, IAdjacentableToFragment after)
{
return(this);
}
