private bool IsPunctuation(string letter)
{
return(letter.Length == 1 &&
(CC.Cl01(letter[0]) || CC.Cl02(letter[0]) || CC.Cl03(letter[0]) ||
CC.Cl04(letter[0]) || CC.Cl05(letter[0]) || CC.Cl06(letter[0]) ||
CC.Cl07(letter[0])));
}
private bool IsPunctuation(UChar letter)
{
return
(CC.Cl01(letter) || CC.Cl02(letter) || CC.Cl03(letter) ||
CC.Cl04(letter) || CC.Cl05(letter) || CC.Cl06(letter) ||
CC.Cl07(letter));
}
private void SetAppropriateTextMatrix(UChar letter, float voffset, PdfContentByte cb)
{
var ytlm = MyYTLM;
if (_isPsuedoVertical)
{
if (CC.Cl06(letter) ||
CC.Cl07(letter))
{
//句読点を平行移動。
cb.SetTextMatrix(_xtlm + _fontSize * (1F / 2 + 1F / 8), ytlm + _fontSize * (1F / 2 + 1F / 8) + voffset);
}
else if (CC.Cl11(letter))
{
//小書きの仮名を平行移動。
cb.SetTextMatrix(_xtlm + _fontSize / 8, ytlm + _fontSize / 8 + voffset);
}
else if (CC.Cl01(letter))
{
//始め括弧を回転、平行移動
cb.SetTextMatrix(0F, -1F, 1F, 0F, _xtlm + _fontSize / 2, ytlm);
}
else if (letter.CodePoint == char.ConvertToUtf32("ー", 0))
{
//音引きを回転、かつ左右反転
cb.SetTextMatrix(0F, -1F, -1F, 0F, _xtlm - _fontSize / 2, ytlm - _fontSize / 2);
}
else if (letter.CodePoint == char.ConvertToUtf32("—", 0)) //part of Cl08)
{
//エムダッシュを回転
cb.SetTextMatrix(0F, -1F, 1F, 0F, _xtlm + _fontSize * (1F / 2F + 1 / 8F), ytlm - _fontSize / 2);
}
//TODO: 毎回 UString 作らない UChar[] で持つ。
else if (
CC.Cl02(letter) ||
(new UString("―…‥").Contains(letter)) || //part of Cl08
CC.Cl10(letter) ||
(new UString("～＋±＝－÷≠：；‘’“”＜＞≦≧＿｜→↓←↑⇒⇔").Contains(letter))) //その他転置すべき記号。よく使いそうなものだけ
{
//それ以外の記号を回転
cb.SetTextMatrix(0F, -1F, 1F, 0F, _xtlm + _fontSize / 2, ytlm - _fontSize / 2);
}
else
{
cb.SetTextMatrix(_xtlm, ytlm + voffset);
}
}
else
{
cb.SetTextMatrix(_xtlm, ytlm + voffset);
}
}
private bool CanAddEmphasisDots()
{
var letterJp = _decoratee as InlineLetterJp;
if (letterJp == null)
{
return(false);
}
var letter = letterJp.Letter;
return(CC.IsHiragana(letter) || CC.IsCJKIdeograph(letter) || CC.IsKatakana(letter));
}
private static Lang JudgeLang(UChar letter)
{
if (CC.IsLatin(letter) || letter.IsAscii) //TODO: 半角空白はここでやるべきか？
{
return(Lang.Latin);
}
else if (CC.IsCJKIdeograph(letter) || CC.IsHiragana(letter) || CC.IsKatakana(letter))
{
return(Lang.Japanese);
}
else
{
return(Lang.Undef);
}
}
public GlueProperty InterletterGlueJP(UChar letterBefore, float zwSizeBefore, UChar letterAfter, float zwSizeAfter)
{
//最優先は分離禁止。
if (CC.Cl08(letterBefore, letterAfter))
{
return(new GlueProperty(0, 0, 0));
}
else
{
//それ以外の場合について検査
float zwSpaceSize;
float baseSize;
InterletterSpaceJP(letterBefore, zwSizeBefore, letterAfter, zwSizeAfter, out zwSpaceSize, out baseSize);
return(new GlueProperty(zwSpaceSize, _standardStretchJPByZw, zwSpaceSize + _standardShrinkJPByZw) * baseSize);
}
}
public GlueProperty LineTailGlueJP(UChar letter, float zwSize)
{
if (CC.Cl07(letter) || CC.Cl06(letter) || CC.Cl02(letter))
{
var toCancel = LengthJPByZw(letter, zwSize);
return(new GlueProperty(-toCancel, toCancel + 0.5F * zwSize, 0F));
//TODO: 行末は指定のアキかベタ組かどちらか。またほかのアキより優先的に詰める。データ型と UnjustfiedLine のデータ構造変更。
//TODO: 前項目の修正はぶら下げも実現できるように
}
else if (CC.Cl05(letter))
{
var length = 0.25F * zwSize;
return(new GlueProperty(length, 0, length));
}
else
{
return(new GlueProperty());
}
}
public static IEnumerable <UChar> Filter(IEnumerable <UChar> xs)
{
bool isPrevDividingPunctuation = false;
foreach (var x in xs)
{
if (isPrevDividingPunctuation)
{
if (x != fullWidthSpace)
{
yield return(x);
}
}
else
{
yield return(x);
}
isPrevDividingPunctuation = CC.Cl04(x);
}
}
public static SpaceType GetSpaceType(this UChar letter)
{
if (CC.Cl07(letter) || CC.Cl06(letter) || CC.Cl02(letter))
{
return(SpaceType.Closing);
}
else if (CC.Cl01(letter))
{
return(SpaceType.Opening);
}
else if (CC.Cl04(letter))
{
return(SpaceType.DividingPunctuation);
}
else if (CC.Cl05(letter))
{
return(SpaceType.MiddleDots);
}
else
{
return(SpaceType.Normal);
}
}
private bool IsKanji(UChar letter)
{
return(CC.IsCJKIdeograph(letter));
}
/// <summary>
/// 行頭禁則
/// </summary>
private static bool DoViolateLineStartProhibitionRule(UChar following)
{
return(CC.Cl02(following) || CC.Cl04(following) || CC.Cl06(following) || CC.Cl07(following) || CC.Cl09(following));
}
/// <summary>
/// 行末禁則
/// </summary>
private static bool DoViolateLineEndProhibitionRule(UChar proceeding)
{
return(CC.Cl01(proceeding));
}
/// <summary>
/// 分割禁止
/// </summary>
private static bool DoViolateUnbreakableCharactersRule(UChar proceeding, UChar following)
{
return(CC.Cl08(proceeding, following));
}
