Marc Mintel
5397309103
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19 lines
537 B
Plaintext
19 lines
537 B
Plaintext
'use strict';
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// lib/types/utils.ts
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new TextDecoder();
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var getView = (input, offset) => new DataView(input.buffer, input.byteOffset + offset);
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var readUInt32BE = (input, offset = 0) => getView(input, offset).getUint32(0, false);
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// lib/types/j2c.ts
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var J2C = {
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// TODO: this doesn't seem right. SIZ marker doesn't have to be right after the SOC
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validate: (input) => readUInt32BE(input, 0) === 4283432785,
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calculate: (input) => ({
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height: readUInt32BE(input, 12),
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width: readUInt32BE(input, 8)
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})
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};
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exports.J2C = J2C;
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