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79 lines
2.8 KiB
C++
79 lines
2.8 KiB
C++
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/*
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* Copyright (c) 2024, Andrew Kaster <andrew@ladybird.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/Format.h>
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#include <AK/LexicalPath.h>
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#include <LibCore/Resource.h>
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#include <LibGfx/Font/PathFontProvider.h>
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#include <LibGfx/Font/ScaledFont.h>
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#include <LibGfx/Font/WOFF/Loader.h>
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namespace Gfx {
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PathFontProvider::PathFontProvider() = default;
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PathFontProvider::~PathFontProvider() = default;
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void PathFontProvider::load_all_fonts_from_uri(StringView uri)
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{
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auto root_or_error = Core::Resource::load_from_uri(uri);
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if (root_or_error.is_error()) {
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if (root_or_error.error().is_errno() && root_or_error.error().code() == ENOENT) {
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return;
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}
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dbgln("PathFontProvider::load_all_fonts_from_uri('{}'): {}", uri, root_or_error.error());
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return;
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}
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auto root = root_or_error.release_value();
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root->for_each_descendant_file([this](Core::Resource const& resource) -> IterationDecision {
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auto uri = resource.uri();
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auto path = LexicalPath(uri.bytes_as_string_view());
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if (path.has_extension(".ttf"sv) || path.has_extension(".ttc"sv)) {
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// FIXME: What about .otf
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if (auto font_or_error = Typeface::try_load_from_resource(resource); !font_or_error.is_error()) {
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auto font = font_or_error.release_value();
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auto& family = m_typeface_by_family.ensure(font->family(), [] {
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return Vector<NonnullRefPtr<Typeface>> {};
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});
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family.append(font);
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}
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} else if (path.has_extension(".woff"sv)) {
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if (auto font_or_error = WOFF::try_load_from_resource(resource); !font_or_error.is_error()) {
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auto font = font_or_error.release_value();
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auto& family = m_typeface_by_family.ensure(font->family(), [] {
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return Vector<NonnullRefPtr<Typeface>> {};
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});
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family.append(font);
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}
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}
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return IterationDecision::Continue;
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});
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}
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RefPtr<Gfx::Font> PathFontProvider::get_font(FlyString const& family, float point_size, unsigned weight, unsigned width, unsigned slope)
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{
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auto it = m_typeface_by_family.find(family);
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if (it == m_typeface_by_family.end())
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return nullptr;
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for (auto const& typeface : it->value) {
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if (typeface->weight() == weight && typeface->width() == width && typeface->slope() == slope)
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return typeface->scaled_font(point_size);
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}
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return nullptr;
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}
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void PathFontProvider::for_each_typeface_with_family_name(FlyString const& family_name, Function<void(Typeface const&)> callback)
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{
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auto it = m_typeface_by_family.find(family_name);
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if (it == m_typeface_by_family.end())
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return;
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for (auto const& typeface : it->value) {
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callback(*typeface);
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}
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}
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}
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