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Merge pull request #20982 from calixteman/debugger_images_preview

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Display mask in the tree view in the debugger
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Tim van der Meij 2026-03-26 20:29:42 +01:00 committed by GitHub
commit d3fd72e7e8
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1 changed files with 12 additions and 4 deletions
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16
src/core/document.js
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@ -2082,10 +2082,13 @@ class PDFDocument {
const obj = Object.create(null); const obj = Object.create(null);
obj.dict = await this.toJSObject(dict, false); obj.dict = await this.toJSObject(dict, false);
if ( if (isName(dict.get("Subtype"), "Image")) {
isName(dict.get("Type"), "XObject") && const isImageMask = dict.get("ImageMask") === true;
isName(dict.get("Subtype"), "Image") if (isImageMask) {
) { dict.set("ImageMask", false);
dict.set("IM", false);
value.numComps = value.bitsPerComponent = 1;
}
try { try {
const pdfFunctionFactory = new PDFFunctionFactory({ const pdfFunctionFactory = new PDFFunctionFactory({
xref: this.xref, xref: this.xref,
@ -2113,6 +2116,11 @@ class PDFDocument {
} catch { } catch {
// Fall through to regular byte stream if image decoding fails. // Fall through to regular byte stream if image decoding fails.
} }
if (isImageMask) {
dict.set("ImageMask", true);
delete value.numComps;
delete value.bitsPerComponent;
}
} }
if (isName(dict.get("Subtype"), "Form")) { if (isName(dict.get("Subtype"), "Form")) {