18 lines
304 B
JavaScript
18 lines
304 B
JavaScript
'use strict';
|
|
|
|
function isDDS(buffer){
|
|
return buffer.readUInt32LE(0) === 0x20534444;
|
|
}
|
|
|
|
function calculate(buffer){
|
|
// read file resolution metadata
|
|
return {
|
|
'height': buffer.readUInt32LE(12),
|
|
'width': buffer.readUInt32LE(16)
|
|
};
|
|
}
|
|
|
|
module.exports = {
|
|
'detect': isDDS,
|
|
'calculate': calculate
|
|
};
|