Font metrics.
Declaration:
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typedef struct tagAT_PDF_FONT_METRICS
{
UINT flags;
AT_PDF_FIXEDRECT fontBBox;
AT_INT16 missingWidth;
AT_INT16 stemV;
AT_INT16 stemH;
AT_INT16 capHeight;
AT_INT16 xHeight;
AT_INT16 ascent;
AT_INT16 descent;
AT_INT16 leading;
AT_INT16 maxWidth;
AT_INT16 avgWidth;
AT_INT16 italicAngle;
AT_PDF_FONT_STYLES style;
AT_INT16 baseLineAdj;
} AT_PDF_FONT_METRICS;
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Members:
| flags | Must be an OR of the Font Flags values. All unused flags must be off. |
| fontBBox | Font bounding box in 1000 EM units. (An EM is a typographic unit of measurement equal to the size of a font. In a 12-point font, an EM is 12 points.) |
| missingWidth | Width of missing character. |
| stemV | Vertical stem width. |
| stemH | Horizontal stem width. |
| capHeight | Capital height. |
| xHeight | X height. |
| ascent | Max ascender height. |
| descent | Max descender depth. |
| Leading | Additional leading between lines. |
| maxWidth | Maximum character width. |
| avgWidth | Average character width. |
| italicAngle | Italic angle in degrees, if any. |
| style | Panose and sFamily class values. |
| baseLineAdj | Baseline adjustment, which is a vertical adjustment for font baseline difference and writing mode 1 (vertical). This should only be used for CIDFontType 2 fonts with font substitution. |