Function getBmpMetadata

docs/app/js/sanddance-app.js:57805–57814

(binaryData)

    };
}
function getBmpMetadata(binaryData) {
    var dataView = toDataView(binaryData);
    var isBmp = dataView.byteLength >= 14 && dataView.getUint16(0, BIG_ENDIAN) === 0x424d && dataView.getUint32(2, LITTLE_ENDIAN) === dataView.byteLength;
    if (!isBmp) return null;
    return {
        mimeType: "image/bmp",
        width: dataView.getUint32(18, LITTLE_ENDIAN),
        height: dataView.getUint32(22, LITTLE_ENDIAN)
    };
}
function getJpegMetadata(binaryData) {
    var dataView = toDataView(binaryData);
    var isJpeg = dataView.byteLength >= 3 && dataView.getUint16(0, BIG_ENDIAN) === 0xffd8 && dataView.getUint8(2) === 0xff;