mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2025-05-30 15:02:56 +00:00
514f3e9c74
Not all emojis are just one code point, so the existing API is not sufficient: Emoji::emoji_for_code_point(u32). The file name for such emojis is simply each U+XXXX separated by an underscore.
44 lines
1.2 KiB
C++
44 lines
1.2 KiB
C++
/*
|
|
* Copyright (c) 2019-2020, Sergey Bugaev <bugaevc@serenityos.org>
|
|
* Copyright (c) 2022, Linus Groh <linusg@serenityos.org>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#include <AK/HashMap.h>
|
|
#include <AK/Span.h>
|
|
#include <AK/String.h>
|
|
#include <LibGfx/Bitmap.h>
|
|
#include <LibGfx/Emoji.h>
|
|
|
|
namespace Gfx {
|
|
|
|
// https://unicode.org/reports/tr51/
|
|
// https://unicode.org/emoji/charts/emoji-list.html
|
|
// https://unicode.org/emoji/charts/emoji-zwj-sequences.html
|
|
|
|
static HashMap<Span<u32>, RefPtr<Gfx::Bitmap>> s_emojis;
|
|
|
|
Bitmap const* Emoji::emoji_for_code_point(u32 code_point)
|
|
{
|
|
return emoji_for_code_points(Array { code_point });
|
|
}
|
|
|
|
Bitmap const* Emoji::emoji_for_code_points(Span<u32> const& code_points)
|
|
{
|
|
auto it = s_emojis.find(code_points);
|
|
if (it != s_emojis.end())
|
|
return (*it).value.ptr();
|
|
|
|
auto basename = String::join('_', code_points, "U+{:X}");
|
|
auto bitmap_or_error = Bitmap::try_load_from_file(String::formatted("/res/emoji/{}.png", basename));
|
|
if (bitmap_or_error.is_error()) {
|
|
s_emojis.set(code_points, nullptr);
|
|
return nullptr;
|
|
}
|
|
auto bitmap = bitmap_or_error.release_value();
|
|
s_emojis.set(code_points, bitmap);
|
|
return bitmap.ptr();
|
|
}
|
|
|
|
}
|