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pdf: Add a --render-repeats=N flag

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It calls render() N times instead of just once. Useful for benchmarking.
This commit is contained in:
Nico Weber 2023-10-10 09:31:48 -04:00 • committed by Andreas Kling
parent 33443190d0
commit 5c744a9fb0
1 changed files with 7 additions and 2 deletions
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9
Userland/Utilities/pdf.cpp
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@ -60,9 +60,11 @@ static PDF::PDFErrorOr<NonnullRefPtr<Gfx::Bitmap>> render_page(PDF::Document& do
return bitmap; return bitmap;
} }
static PDF::PDFErrorOr<void> save_rendered_page(PDF::Document& document, int page_index, StringView out_path) static PDF::PDFErrorOr<void> save_rendered_page(PDF::Document& document, int page_index, int repeats, StringView out_path)
{ {
auto bitmap = TRY(render_page(document, page_index)); auto bitmap = TRY(render_page(document, page_index));
for (int i = 0; i < repeats - 1; ++i)
(void)TRY(render_page(document, page_index));
if (!out_path.ends_with(".png"sv, CaseSensitivity::CaseInsensitive)) if (!out_path.ends_with(".png"sv, CaseSensitivity::CaseInsensitive))
return Error::from_string_view("can only save to .png files"sv); return Error::from_string_view("can only save to .png files"sv);
@ -159,6 +161,9 @@ static PDF::PDFErrorOr<int> pdf_main(Main::Arguments arguments)
StringView render_path; StringView render_path;
args_parser.add_option(render_path, "Path to render PDF page to", "render", {}, "FILE.png"); args_parser.add_option(render_path, "Path to render PDF page to", "render", {}, "FILE.png");
u32 render_repeats = 1;
args_parser.add_option(render_repeats, "Number of times to render page (for profiling)", "render-repeats", {}, "N");
args_parser.parse(arguments); args_parser.parse(arguments);
auto file = TRY(Core::MappedFile::map(in_path)); auto file = TRY(Core::MappedFile::map(in_path));
@ -211,7 +216,7 @@ static PDF::PDFErrorOr<int> pdf_main(Main::Arguments arguments)
} }
if (!render_path.is_empty()) { if (!render_path.is_empty()) {
TRY(save_rendered_page(document, page_index, render_path)); TRY(save_rendered_page(document, page_index, render_repeats, render_path));
return 0; return 0;
} }