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Do not remove identical image references #315

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merged 1 commit into from
Nov 4, 2023
Merged

Do not remove identical image references #315

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7 changes: 5 additions & 2 deletions decktape.js
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Original file line number Diff line number Diff line change
Expand Up @@ -458,9 +458,12 @@ async function printSlide(pdf, slide, context) {
const subtype = object.dict.get(PDFName.of('Subtype'));
if (subtype === PDFName.of('Image')) {
const digest = crypto.createHash('SHA1').update(object.contents).digest('hex');
if (!context.pdfXObjects[digest]) {
const existing = context.pdfXObjects[digest];
if (!existing) {
// Store the entry that'll replace references with the same content
context.pdfXObjects[digest] = entry;
} else {
} else if (entry !== existing) {
// Only remove references from different pages
xObject.set(name, context.pdfXObjects[digest]);
duplicatedEntries.push(entry);
}
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