decord/source/4790_getAlpha.js
2026-07-20 16:05:17 +00:00

56 lines
1.3 KiB
JavaScript

// Module ID: 4790
// Function ID: 41620
// Name: getAlpha
// Dependencies: []
// Module 4790 (getAlpha)
function getAlpha(arg0) {
const obj = {};
let num = 0;
if (16 & arg0) {
num = 1;
}
obj.value = num;
let str = "No";
if (16 & arg0) {
str = "Yes";
}
obj.description = str;
return obj;
}
function getAnimation(byteAt) {
const obj = {};
let num = 0;
if (2 & byteAt) {
num = 1;
}
obj.value = num;
let str = "No";
if (2 & byteAt) {
str = "Yes";
}
obj.description = str;
return obj;
}
function getThreeByteValue(getUint8, sum) {
let obj = arg2(arg6[0]);
const byteAt = obj.getByteAt(getUint8, sum);
sum = byteAt + 256 * arg2(arg6[0]).getByteAt(getUint8, sum + 1);
const obj2 = arg2(arg6[0]);
const sum1 = sum + 65536 * arg2(arg6[0]).getByteAt(getUint8, sum + 2) + 1;
obj = { value: sum1, description: `${tmp3}px` };
return obj;
}
let closure_2 = 4;
let closure_3 = 7;
arg5.default = {
read(getUint8, sum) {
const obj = {};
const byteAt = arg2(arg6[0]).getByteAt(getUint8, sum);
obj.Alpha = getAlpha(byteAt);
obj.Animation = getAnimation(byteAt);
obj.ImageWidth = getThreeByteValue(getUint8, sum + closure_2);
obj.ImageHeight = getThreeByteValue(getUint8, sum + closure_3);
return obj;
}
};