98 lines
2.7 KiB
JavaScript
98 lines
2.7 KiB
JavaScript
// Module ID: 4758
|
|
// Function ID: 41300
|
|
// Name: getDataPrecision
|
|
// Dependencies: []
|
|
|
|
// Module 4758 (getDataPrecision)
|
|
function getDataPrecision(getUint8, sum, shortAt) {
|
|
if (3 <= shortAt) {
|
|
let obj = shortAt(arg6[0]);
|
|
const byteAt = obj.getByteAt(getUint8, sum + 2);
|
|
obj = { value: byteAt, description: "" + byteAt };
|
|
return obj;
|
|
}
|
|
}
|
|
function getImageHeight(dataView) {
|
|
if (5 <= arg2) {
|
|
let obj = arg2(arg6[0]);
|
|
const shortAt = obj.getShortAt(dataView, arg1 + 3);
|
|
obj = { value: shortAt };
|
|
const _HermesInternal = HermesInternal;
|
|
obj.description = "" + shortAt + "px";
|
|
return obj;
|
|
}
|
|
}
|
|
function getImageWidth(dataView) {
|
|
if (7 <= arg2) {
|
|
let obj = arg2(arg6[0]);
|
|
const shortAt = obj.getShortAt(dataView, arg1 + 5);
|
|
obj = { value: shortAt };
|
|
const _HermesInternal = HermesInternal;
|
|
obj.description = "" + shortAt + "px";
|
|
return obj;
|
|
}
|
|
}
|
|
function getSubsampling(getUint8, sum, value, shortAt) {
|
|
if (8 + 3 * value <= shortAt) {
|
|
const items = [];
|
|
for (let num = 0; num < value; num = num + 1) {
|
|
sum = sum + 8 + 3 * num;
|
|
let tmp2 = value;
|
|
let tmp3 = arg6;
|
|
let obj = value(arg6[0]);
|
|
let items1 = [obj.getByteAt(getUint8, sum), , ];
|
|
let obj2 = value(arg6[0]);
|
|
items1[1] = obj2.getByteAt(getUint8, sum + 1);
|
|
let obj3 = value(arg6[0]);
|
|
items1[2] = obj3.getByteAt(getUint8, sum + 2);
|
|
let arr = items.push(items1);
|
|
}
|
|
obj = { value: items };
|
|
let str = "";
|
|
if (items.length > 1) {
|
|
str = getComponentIds(items) + getSamplingType(items);
|
|
const tmp6 = getComponentIds(items);
|
|
}
|
|
obj.description = str;
|
|
return obj;
|
|
}
|
|
}
|
|
function getComponentIds(items) {
|
|
let closure_0 = {};
|
|
const mapped = items.map((arg0) => closure_0[arg0[0]]);
|
|
return mapped.join("");
|
|
}
|
|
function getSamplingType(items) {
|
|
const obj = {};
|
|
let str = "";
|
|
if (0 !== items.length) {
|
|
str = "";
|
|
if (undefined !== items[0][1]) {
|
|
str = "";
|
|
if (undefined !== obj[items[0][1]]) {
|
|
str = obj[items[0][1]];
|
|
}
|
|
}
|
|
}
|
|
return str;
|
|
}
|
|
arg5.default = {
|
|
read(getUint8, sum) {
|
|
let obj = arg2(arg6[0]);
|
|
const shortAt = obj.getShortAt(getUint8, sum);
|
|
let tmp2;
|
|
if (8 <= shortAt) {
|
|
const byteAt = arg2(arg6[0]).getByteAt(getUint8, sum + 7);
|
|
obj = { value: byteAt, description: "" + byteAt };
|
|
tmp2 = obj;
|
|
const obj2 = arg2(arg6[0]);
|
|
}
|
|
obj = { Bits Per Sample: getDataPrecision(getUint8, sum, shortAt), Image Height: getImageHeight(getUint8, sum, shortAt), Image Width: getImageWidth(getUint8, sum, shortAt), Color Components: tmp2 };
|
|
let tmp6 = tmp2;
|
|
if (tmp2) {
|
|
tmp6 = getSubsampling(getUint8, sum, tmp2.value, shortAt);
|
|
}
|
|
obj.Subsampling = tmp6;
|
|
return obj;
|
|
}
|
|
};
|