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https://github.com/RGBCube/serenity
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LibGfx: Use ErrorOr<T> for Bitmap::try_load_from_file()
This was used in a lot of places, so this patch makes liberal use of ErrorOr<T>::release_value_but_fixme_should_propagate_errors().
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parent
16f064d9be
commit
235f39e449
104 changed files with 412 additions and 397 deletions
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@ -110,15 +110,15 @@ ErrorOr<NonnullRefPtr<Bitmap>> Bitmap::try_create_wrapper(BitmapFormat format, I
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return adopt_ref(*new Bitmap(format, size, scale_factor, pitch, data));
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}
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RefPtr<Bitmap> Bitmap::try_load_from_file(String const& path, int scale_factor)
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ErrorOr<NonnullRefPtr<Bitmap>> Bitmap::try_load_from_file(String const& path, int scale_factor)
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{
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int fd = open(path.characters(), O_RDONLY);
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if (fd < 0)
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return nullptr;
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return Error::from_errno(errno);
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return try_load_from_fd_and_close(fd, path, scale_factor);
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}
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RefPtr<Bitmap> Bitmap::try_load_from_fd_and_close(int fd, String const& path, int scale_factor)
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ErrorOr<NonnullRefPtr<Bitmap>> Bitmap::try_load_from_fd_and_close(int fd, String const& path, int scale_factor)
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{
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if (scale_factor > 1 && path.starts_with("/res/")) {
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LexicalPath lexical_path { path };
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@ -144,20 +144,22 @@ RefPtr<Bitmap> Bitmap::try_load_from_fd_and_close(int fd, String const& path, in
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bmp->m_size.set_width(bmp->width() / scale_factor);
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bmp->m_size.set_height(bmp->height() / scale_factor);
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bmp->m_scale = scale_factor;
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return bmp;
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return bmp.release_nonnull();
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}
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}
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#define __ENUMERATE_IMAGE_FORMAT(Name, Ext) \
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if (path.ends_with(Ext, CaseSensitivity::CaseInsensitive)) { \
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auto file = MappedFile::map_from_fd_and_close(fd, path); \
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if (!file.is_error()) \
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return load_##Name##_from_memory((u8 const*)file.value()->data(), file.value()->size(), path); \
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#define __ENUMERATE_IMAGE_FORMAT(Name, Ext) \
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if (path.ends_with(Ext, CaseSensitivity::CaseInsensitive)) { \
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auto file = MappedFile::map_from_fd_and_close(fd, path); \
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if (!file.is_error()) { \
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if (auto bitmap = load_##Name##_from_memory((u8 const*)file.value()->data(), file.value()->size(), path)) \
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return bitmap.release_nonnull(); \
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} \
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}
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ENUMERATE_IMAGE_FORMATS
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#undef __ENUMERATE_IMAGE_FORMAT
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return nullptr;
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return Error::from_string_literal("Gfx::Bitmap unable to load from fd"sv);
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}
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Bitmap::Bitmap(BitmapFormat format, IntSize const& size, int scale_factor, size_t pitch, void* data)
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@ -93,8 +93,8 @@ public:
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[[nodiscard]] static RefPtr<Bitmap> try_create(BitmapFormat, IntSize const&, int intrinsic_scale = 1);
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[[nodiscard]] static ErrorOr<NonnullRefPtr<Bitmap>> try_create_shareable(BitmapFormat, IntSize const&, int intrinsic_scale = 1);
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[[nodiscard]] static ErrorOr<NonnullRefPtr<Bitmap>> try_create_wrapper(BitmapFormat, IntSize const&, int intrinsic_scale, size_t pitch, void*);
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[[nodiscard]] static RefPtr<Bitmap> try_load_from_file(String const& path, int scale_factor = 1);
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[[nodiscard]] static RefPtr<Bitmap> try_load_from_fd_and_close(int fd, String const& path, int scale_factor = 1);
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[[nodiscard]] static ErrorOr<NonnullRefPtr<Bitmap>> try_load_from_file(String const& path, int scale_factor = 1);
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[[nodiscard]] static ErrorOr<NonnullRefPtr<Bitmap>> try_load_from_fd_and_close(int fd, String const& path, int scale_factor = 1);
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[[nodiscard]] static ErrorOr<NonnullRefPtr<Bitmap>> try_create_with_anonymous_buffer(BitmapFormat, Core::AnonymousBuffer, IntSize const&, int intrinsic_scale, Vector<RGBA32> const& palette);
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[[nodiscard]] static RefPtr<Bitmap> try_create_from_serialized_byte_buffer(ByteBuffer&& buffer);
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@ -357,10 +357,10 @@ static Gfx::Bitmap const& circle_bitmap(bool checked, bool changing)
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void ClassicStylePainter::paint_radio_button(Painter& painter, IntRect const& rect, Palette const&, bool is_checked, bool is_being_pressed)
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{
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if (!s_unfilled_circle_bitmap) {
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s_unfilled_circle_bitmap = Bitmap::try_load_from_file("/res/icons/serenity/unfilled-radio-circle.png");
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s_filled_circle_bitmap = Bitmap::try_load_from_file("/res/icons/serenity/filled-radio-circle.png");
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s_changing_filled_circle_bitmap = Bitmap::try_load_from_file("/res/icons/serenity/changing-filled-radio-circle.png");
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s_changing_unfilled_circle_bitmap = Bitmap::try_load_from_file("/res/icons/serenity/changing-unfilled-radio-circle.png");
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s_unfilled_circle_bitmap = Bitmap::try_load_from_file("/res/icons/serenity/unfilled-radio-circle.png").release_value_but_fixme_should_propagate_errors();
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s_filled_circle_bitmap = Bitmap::try_load_from_file("/res/icons/serenity/filled-radio-circle.png").release_value_but_fixme_should_propagate_errors();
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s_changing_filled_circle_bitmap = Bitmap::try_load_from_file("/res/icons/serenity/changing-filled-radio-circle.png").release_value_but_fixme_should_propagate_errors();
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s_changing_unfilled_circle_bitmap = Bitmap::try_load_from_file("/res/icons/serenity/changing-unfilled-radio-circle.png").release_value_but_fixme_should_propagate_errors();
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}
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auto& bitmap = circle_bitmap(is_checked, is_being_pressed);
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@ -19,12 +19,12 @@ const Bitmap* Emoji::emoji_for_code_point(u32 code_point)
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if (it != s_emojis.end())
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return (*it).value.ptr();
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auto bitmap = Bitmap::try_load_from_file(String::formatted("/res/emoji/U+{:X}.png", code_point));
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if (!bitmap) {
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auto bitmap_or_error = Bitmap::try_load_from_file(String::formatted("/res/emoji/U+{:X}.png", code_point));
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if (bitmap_or_error.is_error()) {
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s_emojis.set(code_point, nullptr);
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return nullptr;
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}
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auto bitmap = bitmap_or_error.release_value();
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s_emojis.set(code_point, bitmap);
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return bitmap.ptr();
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}
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