20 lines
1.0 KiB
JavaScript
20 lines
1.0 KiB
JavaScript
import * as r from 'restructure';
|
|
|
|
// horizontal header
|
|
export default new r.Struct({
|
|
version: r.int32,
|
|
ascent: r.int16, // Distance from baseline of highest ascender
|
|
descent: r.int16, // Distance from baseline of lowest descender
|
|
lineGap: r.int16, // Typographic line gap
|
|
advanceWidthMax: r.uint16, // Maximum advance width value in 'hmtx' table
|
|
minLeftSideBearing: r.int16, // Maximum advance width value in 'hmtx' table
|
|
minRightSideBearing: r.int16, // Minimum right sidebearing value
|
|
xMaxExtent: r.int16,
|
|
caretSlopeRise: r.int16, // Used to calculate the slope of the cursor (rise/run); 1 for vertical
|
|
caretSlopeRun: r.int16, // 0 for vertical
|
|
caretOffset: r.int16, // Set to 0 for non-slanted fonts
|
|
reserved: new r.Reserved(r.int16, 4),
|
|
metricDataFormat: r.int16, // 0 for current format
|
|
numberOfMetrics: r.uint16 // Number of advance widths in 'hmtx' table
|
|
});
|