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91
node_modules/fontkit/src/tables/EBDT.js
generated
vendored
Normal file
91
node_modules/fontkit/src/tables/EBDT.js
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import * as r from 'restructure';
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export let BigMetrics = new r.Struct({
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height: r.uint8,
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width: r.uint8,
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horiBearingX: r.int8,
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horiBearingY: r.int8,
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horiAdvance: r.uint8,
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vertBearingX: r.int8,
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vertBearingY: r.int8,
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vertAdvance: r.uint8
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});
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export let SmallMetrics = new r.Struct({
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height: r.uint8,
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width: r.uint8,
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bearingX: r.int8,
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bearingY: r.int8,
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advance: r.uint8
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});
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let EBDTComponent = new r.Struct({
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glyph: r.uint16,
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xOffset: r.int8,
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yOffset: r.int8
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});
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class ByteAligned {}
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class BitAligned {}
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export let glyph = new r.VersionedStruct('version', {
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1: {
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metrics: SmallMetrics,
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data: ByteAligned
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},
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2: {
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metrics: SmallMetrics,
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data: BitAligned
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},
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// format 3 is deprecated
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// format 4 is not supported by Microsoft
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5: {
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data: BitAligned
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},
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6: {
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metrics: BigMetrics,
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data: ByteAligned
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},
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7: {
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metrics: BigMetrics,
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data: BitAligned
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},
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8: {
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metrics: SmallMetrics,
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pad: new r.Reserved(r.uint8),
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numComponents: r.uint16,
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components: new r.Array(EBDTComponent, 'numComponents')
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},
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9: {
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metrics: BigMetrics,
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pad: new r.Reserved(r.uint8),
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numComponents: r.uint16,
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components: new r.Array(EBDTComponent, 'numComponents')
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},
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17: {
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metrics: SmallMetrics,
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dataLen: r.uint32,
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data: new r.Buffer('dataLen')
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},
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18: {
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metrics: BigMetrics,
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dataLen: r.uint32,
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data: new r.Buffer('dataLen')
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},
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19: {
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dataLen: r.uint32,
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data: new r.Buffer('dataLen')
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}
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});
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