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Remove the int32 helper, and replace it with DataView usage, in src/core/fonts.js

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This helper function only had a single call-site, and it's easily replaced with a `DataView` method.
Additionally, to hopefully make future re-factoring easier, create a `DataView` for each TrueType table.
This commit is contained in:
Jonas Jenwald 2026-04-12 10:01:14 +02:00
parent 5089cceec7
commit f924526f1a
1 changed files with 4 additions and 10 deletions
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14
src/core/fonts.js
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@ -302,10 +302,6 @@ function writeUint32(bytes, index, value) {
bytes[index] = value >>> 24;
}
function int32(b0, b1, b2, b3) {
return (b0 << 24) + (b1 << 16) + (b2 << 8) + b3;
}
function string16(value) {
if (typeof PDFJSDev === "undefined" || PDFJSDev.test("TESTING")) {
assert(
@ -1400,6 +1396,7 @@ class Font {
length,
offset,
data,
view: new DataView(data.buffer, data.byteOffset, data.byteLength),
};
}
@ -2025,17 +2022,14 @@ class Font {
}
function sanitizeHead(head, numGlyphs, locaLength) {
const data = head.data;
const { data, view } = head;
// Validate version:
// Should always be 0x00010000
const version = int32(data[0], data[1], data[2], data[3]);
const version = view.getInt32(0);
if (version >> 16 !== 1) {
info("Attempting to fix invalid version in head table: " + version);
data[0] = 0;
data[1] = 1;
data[2] = 0;
data[3] = 0;
view.setInt32(0, 0x00010000);
}
const indexToLocFormat = signedInt16(data[50], data[51]);