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