THotPDF.GetVerticalGlyphMetrics Method

Retrieves the vertical advance and origin for a Unicode scalar in 1000-unit glyph space

Declaration

function GetVerticalGlyphMetrics(CodePoint: Cardinal;
  out AdvanceY, OriginY: Integer): boolean;

Parameters

• CodePoint is the Unicode scalar to inspect
• AdvanceY receives the downward vertical advance
• OriginY receives the vertical origin coordinate

Return value

Returns true when registered OpenType vertical metrics are available and false when configured defaults are returned

Usage notes

Metrics can originate from vhea, vmtx, and VORG data cached during Unicode TrueType registration

Related APIs

• THotPDF.SetVerticalDefaultMetrics
• THPDFPage.GetVerticalTextAdvance