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import r from '@foliojs-fork/restructure';
var OS2 = new r.VersionedStruct(r.uint16, {
header: {
xAvgCharWidth: r.int16, // average weighted advance width of lower case letters and space
usWeightClass: r.uint16, // visual weight of stroke in glyphs
usWidthClass: r.uint16, // relative change from the normal aspect ratio (width to height ratio)
fsType: new r.Bitfield(r.uint16, [ // Indicates font embedding licensing rights
null, 'noEmbedding', 'viewOnly', 'editable', null,
null, null, null, 'noSubsetting', 'bitmapOnly'
]),
ySubscriptXSize: r.int16, // recommended horizontal size in pixels for subscripts
ySubscriptYSize: r.int16, // recommended vertical size in pixels for subscripts
ySubscriptXOffset: r.int16, // recommended horizontal offset for subscripts
ySubscriptYOffset: r.int16, // recommended vertical offset form the baseline for subscripts
ySuperscriptXSize: r.int16, // recommended horizontal size in pixels for superscripts
ySuperscriptYSize: r.int16, // recommended vertical size in pixels for superscripts
ySuperscriptXOffset: r.int16, // recommended horizontal offset for superscripts
ySuperscriptYOffset: r.int16, // recommended vertical offset from the baseline for superscripts
yStrikeoutSize: r.int16, // width of the strikeout stroke
yStrikeoutPosition: r.int16, // position of the strikeout stroke relative to the baseline
sFamilyClass: r.int16, // classification of font-family design
panose: new r.Array(r.uint8, 10), // describe the visual characteristics of a given typeface
ulCharRange: new r.Array(r.uint32, 4),
vendorID: new r.String(4), // four character identifier for the font vendor
fsSelection: new r.Bitfield(r.uint16, [ // bit field containing information about the font
'italic', 'underscore', 'negative', 'outlined', 'strikeout',
'bold', 'regular', 'useTypoMetrics', 'wws', 'oblique'
]),
usFirstCharIndex: r.uint16, // The minimum Unicode index in this font
usLastCharIndex: r.uint16 // The maximum Unicode index in this font
},
// The Apple version of this table ends here, but the Microsoft one continues on...
0: {},
1: {
typoAscender: r.int16,
typoDescender: r.int16,
typoLineGap: r.int16,
winAscent: r.uint16,
winDescent: r.uint16,
codePageRange: new r.Array(r.uint32, 2)
},
2: {
// these should be common with version 1 somehow
typoAscender: r.int16,
typoDescender: r.int16,
typoLineGap: r.int16,
winAscent: r.uint16,
winDescent: r.uint16,
codePageRange: new r.Array(r.uint32, 2),
xHeight: r.int16,
capHeight: r.int16,
defaultChar: r.uint16,
breakChar: r.uint16,
maxContent: r.uint16
},
5: {
typoAscender: r.int16,
typoDescender: r.int16,
typoLineGap: r.int16,
winAscent: r.uint16,
winDescent: r.uint16,
codePageRange: new r.Array(r.uint32, 2),
xHeight: r.int16,
capHeight: r.int16,
defaultChar: r.uint16,
breakChar: r.uint16,
maxContent: r.uint16,
usLowerOpticalPointSize: r.uint16,
usUpperOpticalPointSize: r.uint16
}
});
let versions = OS2.versions;
versions[3] = versions[4] = versions[2];
export default OS2;