void UpdateLayoutPlan()
{
GlyphLayoutPlanContext context = _layoutPlanCollection.GetPlanOrCreate(this._typeface, this._scriptLang);
this._gpos = context._glyphPos;
this._gsub = context._glyphSub;
_needPlanUpdate = false;
}
public static void CollectAllAssociateGlyphIndex(this Typeface typeface, List <ushort> outputGlyphIndexList, ScriptLang scLang, UnicodeLangBits[] selectedRangs = null)
{
//-----------
//general glyph index in the unicode range
//if user dose not specific the unicode lanf bit ranges
//the we try to select it ourself.
UnicodeLangBits[] unicodeLangBitsRanges;
if (ScriptLangs.TryGenUnicodeLangBitsArray(scLang.shortname, out unicodeLangBitsRanges))
{
//one lang may contains may ranges
if (selectedRangs != null)
{
//select only in range
unicodeLangBitsRanges = FilterOnlySelectedRange(unicodeLangBitsRanges, selectedRangs);
}
foreach (UnicodeLangBits unicodeLangBits in unicodeLangBitsRanges)
{
UnicodeRangeInfo rngInfo = unicodeLangBits.ToUnicodeRangeInfo();
int endAt = rngInfo.EndAt;
for (int codePoint = rngInfo.StartAt; codePoint <= endAt; ++codePoint)
{
ushort glyghIndex = typeface.LookupIndex(codePoint);
if (glyghIndex > 0)
{
//add this glyph index
outputGlyphIndexList.Add(glyghIndex);
}
}
}
}
//-----------
if (typeface.GSUBTable != null)
{
var gsub = new GlyphSubstitution(typeface, scLang.shortname);
gsub.CollectAdditionalSubstitutionGlyphIndices(outputGlyphIndexList);
}
}
public GlyphLayoutPlanContext(GlyphSubstitution _glyphSub, GlyphSetPosition glyphPos)
{
this._glyphSub = _glyphSub;
this._glyphPos = glyphPos;
}
public GlyphLayoutPlanContext(GlyphSubstitution glyphSub, GlyphSetPosition glyphPos)
{
_glyphSub = glyphSub;
_glyphPos = glyphPos;
}
