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https://github.com/RGBCube/serenity
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LibGfx: Use ErrorOr<T> for Bitmap::try_create_with_anonymous_buffer()
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parent
c6b4e7a2f6
commit
f23f99d51b
5 changed files with 22 additions and 15 deletions
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@ -869,13 +869,13 @@ OwnPtr<WindowBackingStore> Window::create_backing_store(const Gfx::IntSize& size
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}
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// FIXME: Plumb scale factor here eventually.
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auto bitmap = Gfx::Bitmap::try_create_with_anonymous_buffer(format, buffer_or_error.release_value(), size, 1, {});
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if (!bitmap) {
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auto bitmap_or_error = Gfx::Bitmap::try_create_with_anonymous_buffer(format, buffer_or_error.release_value(), size, 1, {});
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if (bitmap_or_error.is_error()) {
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VERIFY(size.width() <= INT16_MAX);
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VERIFY(size.height() <= INT16_MAX);
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return {};
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}
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return make<WindowBackingStore>(bitmap.release_nonnull());
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return make<WindowBackingStore>(bitmap_or_error.release_value());
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}
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void Window::set_modal(bool modal)
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@ -84,7 +84,10 @@ RefPtr<Bitmap> Bitmap::try_create_shareable(BitmapFormat format, const IntSize&
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auto buffer_or_error = Core::AnonymousBuffer::create_with_size(round_up_to_power_of_two(data_size, PAGE_SIZE));
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if (buffer_or_error.is_error())
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return nullptr;
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return Bitmap::try_create_with_anonymous_buffer(format, buffer_or_error.release_value(), size, scale_factor, {});
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auto bitmap_or_error = Bitmap::try_create_with_anonymous_buffer(format, buffer_or_error.release_value(), size, scale_factor, {});
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if (bitmap_or_error.is_error())
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return nullptr;
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return bitmap_or_error.release_value();
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}
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Bitmap::Bitmap(BitmapFormat format, const IntSize& size, int scale_factor, const BackingStore& backing_store)
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@ -221,12 +224,12 @@ static bool check_size(const IntSize& size, int scale_factor, BitmapFormat forma
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return true;
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}
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RefPtr<Bitmap> Bitmap::try_create_with_anonymous_buffer(BitmapFormat format, Core::AnonymousBuffer buffer, const IntSize& size, int scale_factor, const Vector<RGBA32>& palette)
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ErrorOr<NonnullRefPtr<Bitmap>> Bitmap::try_create_with_anonymous_buffer(BitmapFormat format, Core::AnonymousBuffer buffer, const IntSize& size, int scale_factor, const Vector<RGBA32>& palette)
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{
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if (size_would_overflow(format, size, scale_factor))
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return nullptr;
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return Error::from_string_literal("Gfx::Bitmap::try_create_with_anonymous_buffer size overflow");
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return adopt_ref(*new Bitmap(format, move(buffer), size, scale_factor, palette));
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return adopt_nonnull_ref_or_enomem(new (nothrow) Bitmap(format, move(buffer), size, scale_factor, palette));
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}
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/// Read a bitmap as described by:
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@ -528,9 +531,10 @@ RefPtr<Bitmap> Bitmap::to_bitmap_backed_by_anonymous_buffer() const
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auto buffer_or_error = Core::AnonymousBuffer::create_with_size(round_up_to_power_of_two(size_in_bytes(), PAGE_SIZE));
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if (buffer_or_error.is_error())
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return nullptr;
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auto bitmap = Bitmap::try_create_with_anonymous_buffer(m_format, buffer_or_error.release_value(), size(), scale(), palette_to_vector());
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if (!bitmap)
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auto bitmap_or_error = Bitmap::try_create_with_anonymous_buffer(m_format, buffer_or_error.release_value(), size(), scale(), palette_to_vector());
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if (bitmap_or_error.is_error())
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return nullptr;
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auto bitmap = bitmap_or_error.release_value();
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memcpy(bitmap->scanline(0), scanline(0), size_in_bytes());
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return bitmap;
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}
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@ -95,7 +95,7 @@ public:
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[[nodiscard]] static RefPtr<Bitmap> try_create_wrapper(BitmapFormat, const IntSize&, 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 RefPtr<Bitmap> try_create_with_anonymous_buffer(BitmapFormat, Core::AnonymousBuffer, const IntSize&, int intrinsic_scale, const Vector<RGBA32>& palette);
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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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static bool is_path_a_supported_image_format(const StringView& path)
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@ -76,10 +76,10 @@ bool decode(Decoder& decoder, Gfx::ShareableBitmap& shareable_bitmap)
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auto buffer_or_error = Core::AnonymousBuffer::create_from_anon_fd(anon_file.take_fd(), Gfx::Bitmap::size_in_bytes(Gfx::Bitmap::minimum_pitch(size.width(), bitmap_format), size.height()));
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if (buffer_or_error.is_error())
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return false;
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auto bitmap = Gfx::Bitmap::try_create_with_anonymous_buffer(bitmap_format, buffer_or_error.release_value(), size, scale, palette);
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if (!bitmap)
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auto bitmap_or_error = Gfx::Bitmap::try_create_with_anonymous_buffer(bitmap_format, buffer_or_error.release_value(), size, scale, palette);
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if (bitmap_or_error.is_error())
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return false;
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shareable_bitmap = Gfx::ShareableBitmap { bitmap.release_nonnull(), Gfx::ShareableBitmap::ConstructWithKnownGoodBitmap };
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shareable_bitmap = Gfx::ShareableBitmap { bitmap_or_error.release_value(), Gfx::ShareableBitmap::ConstructWithKnownGoodBitmap };
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return true;
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}
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@ -640,13 +640,16 @@ void ClientConnection::set_window_backing_store(i32 window_id, [[maybe_unused]]
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did_misbehave("SetWindowBackingStore: Failed to create anonymous buffer for window backing store");
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return;
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}
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auto backing_store = Gfx::Bitmap::try_create_with_anonymous_buffer(
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auto backing_store_or_error = Gfx::Bitmap::try_create_with_anonymous_buffer(
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has_alpha_channel ? Gfx::BitmapFormat::BGRA8888 : Gfx::BitmapFormat::BGRx8888,
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buffer_or_error.release_value(),
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size,
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1,
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{});
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window.set_backing_store(move(backing_store), serial);
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if (backing_store_or_error.is_error()) {
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did_misbehave("");
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}
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window.set_backing_store(backing_store_or_error.release_value(), serial);
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}
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if (flush_immediately)
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