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LibPDF: Move code to compute full page contents into Page

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Pure code move, no behavior change.
This commit is contained in:
Nico Weber 2023-07-12 09:27:26 -04:00 • committed by Tim Flynn
parent f4f8a6a1bf
commit 69c965b987
4 changed files with 41 additions and 22 deletions
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23
Userland/Libraries/LibPDF/Renderer.cpp
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@ -85,28 +85,7 @@ Renderer::Renderer(RefPtr<Document> document, Page const& page, RefPtr<Gfx::Bitm
PDFErrorsOr<void> Renderer::render()
{
if (m_page.contents.is_null())
return {};
// Use our own vector, as the /Content can be an array with multiple
// streams which gets concatenated
// FIXME: Text operators are supposed to only have effects on the current
// stream object. Do the text operators treat this concatenated stream
// as one stream or multiple?
ByteBuffer byte_buffer;
if (m_page.contents->is<ArrayObject>()) {
auto contents = m_page.contents->cast<ArrayObject>();
for (auto& ref : *contents) {
auto bytes = TRY(m_document->resolve_to<StreamObject>(ref))->bytes();
byte_buffer.append(bytes.data(), bytes.size());
}
} else {
auto bytes = m_page.contents->cast<StreamObject>()->bytes();
byte_buffer.append(bytes.data(), bytes.size());
}
auto operators = TRY(Parser::parse_operators(m_document, byte_buffer));
auto operators = TRY(Parser::parse_operators(m_document, TRY(m_page.page_contents(*m_document))));
Errors errors;
for (auto& op : operators) {