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pdf: Add --dump-contents flag

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This dumps the /Content stream of a page, which is possibly useful for
debugging.
This commit is contained in:
Nico Weber 2023-07-12 09:53:41 -04:00 • committed by Tim Flynn
parent 16c1a6a447
commit 52ff180ed4
1 changed files with 18 additions and 1 deletions
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19
Userland/Utilities/pdf.cpp
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@ -85,6 +85,9 @@ static PDF::PDFErrorOr<int> pdf_main(Main::Arguments arguments)
StringView in_path;
args_parser.add_positional_argument(in_path, "Path to input image file", "FILE");
bool dump_contents = false;
args_parser.add_option(dump_contents, "Dump page contents", "dump-contents", {});
u32 page_number = 1;
args_parser.add_option(page_number, "Page number (1-based)", "page", {}, "PAGE");
@ -114,6 +117,20 @@ static PDF::PDFErrorOr<int> pdf_main(Main::Arguments arguments)
warnln("--page {} out of bounds, must be between 1 and {}", page_number, document->get_page_count());
return 1;
}
int page_index = page_number - 1;
if (dump_contents) {
auto page = TRY(document->get_page(page_index));
auto contents = TRY(page.page_contents(*document));
for (u8 c : contents.bytes()) {
if (c < 128)
out("{:c}", c);
else
out("\\{:03o}", c);
}
return 0;
}
if (!render_path.is_empty()) {
#if !defined(AK_OS_SERENITY)
@ -122,7 +139,7 @@ static PDF::PDFErrorOr<int> pdf_main(Main::Arguments arguments)
Gfx::FontDatabase::set_default_fonts_lookup_path(DeprecatedString::formatted("{}/Base/res/fonts", source_root));
#endif
TRY(save_rendered_page(document, page_number - 1, render_path));
TRY(save_rendered_page(document, page_index, render_path));
return 0;
}