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LibWeb: Support WOFF in font-face

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Simon Wanner 2022-04-09 21:34:58 +02:00 committed by Andreas Kling
parent bf6d64c199
commit 539adf5b9c
Notes: sideshowbarker 2024-07-17 20:58:35 +09:00 
Author: https://github.com/skyrising
Commit: https://github.com/SerenityOS/serenity/commit/539adf5b9c
Pull-request: https://github.com/SerenityOS/serenity/pull/13595
2 changed files with 20 additions and 2 deletions
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2
Userland/Libraries/LibWeb/CSS/Parser/Parser.cpp
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@ -4488,7 +4488,7 @@ Vector<FontFace::Source> Parser::parse_font_face_src(TokenStream<ComponentValue>
// Format-name table: https://www.w3.org/TR/css-fonts-4/#font-format-definitions
auto font_format_is_supported = [](StringView name) {
// The spec requires us to treat opentype and truetype as synonymous.
if (name.is_one_of_ignoring_case("opentype"sv, "truetype"sv))
if (name.is_one_of_ignoring_case("opentype"sv, "truetype"sv, "woff"sv))
return true;
return false;
};

20
Userland/Libraries/LibWeb/CSS/StyleComputer.cpp
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@ -15,6 +15,7 @@
#include <LibGfx/Font/ScaledFont.h>
#include <LibGfx/Font/TrueType/Font.h>
#include <LibGfx/Font/VectorFont.h>
#include <LibGfx/Font/WOFF/Font.h>
#include <LibWeb/CSS/CSSFontFaceRule.h>
#include <LibWeb/CSS/CSSStyleRule.h>
#include <LibWeb/CSS/Parser/Parser.h>
@ -52,7 +53,7 @@ public:
virtual void resource_did_load() override
{
auto result = TTF::Font::try_load_from_externally_owned_memory(resource()->encoded_data());
auto result = try_load_font();
if (result.is_error())
return;
m_vector_font = result.release_value();
@ -71,6 +72,23 @@ public:
}
private:
ErrorOr<NonnullRefPtr<Gfx::VectorFont>> try_load_font()
{
// FIXME: This could maybe use the format() provided in @font-face as well, since often the mime type is just application/octet-stream and we have to try every format
auto mime_type = resource()->mime_type();
if (mime_type == "font/ttf"sv || mime_type == "application/x-font-ttf"sv)
return TRY(TTF::Font::try_load_from_externally_owned_memory(resource()->encoded_data()));
if (mime_type == "font/woff"sv)
return TRY(WOFF::Font::try_load_from_externally_owned_memory(resource()->encoded_data()));
auto ttf = TTF::Font::try_load_from_externally_owned_memory(resource()->encoded_data());
if (!ttf.is_error())
return ttf.release_value();
auto woff = WOFF::Font::try_load_from_externally_owned_memory(resource()->encoded_data());
if (!woff.is_error())
return woff.release_value();
return ttf.release_error();
}
StyleComputer& m_style_computer;
FlyString m_family_name;
RefPtr<Gfx::VectorFont> m_vector_font;