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LibPDF: Separate Type0 CMap errors

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No behavior change, just more granular "not implemented" diagnostics.
This commit is contained in:
Nico Weber 2024-02-12 19:40:49 -05:00 • committed by Andreas Kling
parent 8e50bbc9fb
commit ddbcd901d1
1 changed files with 7 additions and 2 deletions
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9
Userland/Libraries/LibPDF/Fonts/Type0Font.cpp
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@ -142,8 +142,13 @@ PDFErrorOr<void> Type0Font::initialize(Document* document, NonnullRefPtr<DictObj
// FIXME: Support arbitrary CMaps // FIXME: Support arbitrary CMaps
auto cmap_value = TRY(dict->get_object(document, CommonNames::Encoding)); auto cmap_value = TRY(dict->get_object(document, CommonNames::Encoding));
if (!cmap_value->is<NameObject>() || cmap_value->cast<NameObject>()->name() != CommonNames::IdentityH) if (!cmap_value->is<NameObject>())
return Error::rendering_unsupported_error("Type0 font: support for general Encodings not yet implemented"); return Error::rendering_unsupported_error("Type0 font: support for general type 0 cmaps not yet implemented");
auto cmap_name = cmap_value->cast<NameObject>()->name();
if (cmap_name != CommonNames::IdentityH) {
return Error::rendering_unsupported_error("Type0 font: unimplemented named type 0 cmap {}", cmap_name);
}
auto descendant_font_value = TRY(dict->get_array(document, CommonNames::DescendantFonts)); auto descendant_font_value = TRY(dict->get_array(document, CommonNames::DescendantFonts));
auto descendant_font = TRY(descendant_font_value->get_dict_at(document, 0)); auto descendant_font = TRY(descendant_font_value->get_dict_at(document, 0));