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LibGfx: Add Core::File variant of BitmapFont::write_to_file

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This commit is contained in:
Caoimhe 2023-05-01 14:54:31 +01:00 committed by Sam Atkins
parent 0d2ca125b3
commit c43295b668
Notes: sideshowbarker 2024-07-17 10:08:28 +09:00 
Author: https://github.com/caoimhebyrne
Commit: https://github.com/SerenityOS/serenity/commit/c43295b668
Pull-request: https://github.com/SerenityOS/serenity/pull/18029
Reviewed-by: https://github.com/ADKaster
Reviewed-by: https://github.com/AtkinsSJ ✅
Reviewed-by: https://github.com/LucasChollet
Reviewed-by: https://github.com/thankyouverycool
2 changed files with 14 additions and 5 deletions
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17
Userland/Libraries/LibGfx/Font/BitmapFont.cpp
View File

@ -245,6 +245,14 @@ ErrorOr<NonnullRefPtr<BitmapFont>> BitmapFont::try_load_from_mapped_file(RefPtr<
}
ErrorOr<void> BitmapFont::write_to_file(DeprecatedString const& path)
{
auto stream = TRY(Core::File::open(path, Core::File::OpenMode::Write));
TRY(write_to_file(move(stream)));
return {};
}
ErrorOr<void> BitmapFont::write_to_file(NonnullOwnPtr<Core::File> file)
{
FontFileHeader header;
memset(&header, 0, sizeof(FontFileHeader));
@ -262,12 +270,11 @@ ErrorOr<void> BitmapFont::write_to_file(DeprecatedString const& path)
memcpy(header.name, m_name.characters(), min(m_name.length(), sizeof(header.name) - 1));
memcpy(header.family, m_family.characters(), min(m_family.length(), sizeof(header.family) - 1));
auto stream = TRY(Core::File::open(path, Core::File::OpenMode::Write));
size_t bytes_per_glyph = sizeof(u32) * m_glyph_height;
TRY(stream->write_until_depleted({ &header, sizeof(header) }));
TRY(stream->write_until_depleted({ m_range_mask, m_range_mask_size }));
TRY(stream->write_until_depleted({ m_rows, m_glyph_count * bytes_per_glyph }));
TRY(stream->write_until_depleted({ m_glyph_widths, m_glyph_count }));
TRY(file->write_until_depleted({ &header, sizeof(header) }));
TRY(file->write_until_depleted({ m_range_mask, m_range_mask_size }));
TRY(file->write_until_depleted({ m_rows, m_glyph_count * bytes_per_glyph }));
TRY(file->write_until_depleted({ m_glyph_widths, m_glyph_count }));
return {};
}

2
Userland/Libraries/LibGfx/Font/BitmapFont.h
View File

@ -33,7 +33,9 @@ public:
static RefPtr<BitmapFont> load_from_file(DeprecatedString const& path);
static ErrorOr<NonnullRefPtr<BitmapFont>> try_load_from_file(DeprecatedString const& path);
static ErrorOr<NonnullRefPtr<BitmapFont>> try_load_from_mapped_file(RefPtr<Core::MappedFile> const&);
ErrorOr<void> write_to_file(DeprecatedString const& path);
ErrorOr<void> write_to_file(NonnullOwnPtr<Core::File> file);
~BitmapFont();