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LibGfx: Use ErrorOr<T> for Bitmap::try_create_shareable()

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This commit is contained in:
Andreas Kling 2021-11-06 11:44:05 +01:00
parent 83d1460ee8
commit c417820bff
3 changed files with 11 additions and 14 deletions
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15
Userland/Libraries/LibGfx/Bitmap.cpp
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@ -11,6 +11,7 @@
#include <AK/Optional.h>
#include <AK/ScopeGuard.h>
#include <AK/String.h>
#include <AK/Try.h>
#include <LibGfx/BMPLoader.h>
#include <LibGfx/Bitmap.h>
#include <LibGfx/DDSLoader.h>
@ -73,21 +74,17 @@ RefPtr<Bitmap> Bitmap::try_create(BitmapFormat format, const IntSize& size, int
return adopt_ref(*new Bitmap(format, size, scale_factor, backing_store_or_error.release_value()));
}
RefPtr<Bitmap> Bitmap::try_create_shareable(BitmapFormat format, const IntSize& size, int scale_factor)
ErrorOr<NonnullRefPtr<Bitmap>> Bitmap::try_create_shareable(BitmapFormat format, const IntSize& size, int scale_factor)
{
if (size_would_overflow(format, size, scale_factor))
return nullptr;
return Error::from_string_literal("Gfx::Bitmap::try_create_shareable size overflow"sv);
const auto pitch = minimum_pitch(size.width() * scale_factor, format);
const auto data_size = size_in_bytes(pitch, size.height() * scale_factor);
auto buffer_or_error = Core::AnonymousBuffer::create_with_size(round_up_to_power_of_two(data_size, PAGE_SIZE));
if (buffer_or_error.is_error())
return nullptr;
auto bitmap_or_error = Bitmap::try_create_with_anonymous_buffer(format, buffer_or_error.release_value(), size, scale_factor, {});
if (bitmap_or_error.is_error())
return nullptr;
return bitmap_or_error.release_value();
auto buffer = TRY(Core::AnonymousBuffer::create_with_size(round_up_to_power_of_two(data_size, PAGE_SIZE)));
auto bitmap = TRY(Bitmap::try_create_with_anonymous_buffer(format, buffer, size, scale_factor, {}));
return bitmap;
}
Bitmap::Bitmap(BitmapFormat format, const IntSize& size, int scale_factor, const BackingStore& backing_store)

2
Userland/Libraries/LibGfx/Bitmap.h
View file

@ -91,7 +91,7 @@ enum RotationDirection {
class Bitmap : public RefCounted<Bitmap> {
public:
[[nodiscard]] static RefPtr<Bitmap> try_create(BitmapFormat, const IntSize&, int intrinsic_scale = 1);
[[nodiscard]] static RefPtr<Bitmap> try_create_shareable(BitmapFormat, const IntSize&, int intrinsic_scale = 1);
[[nodiscard]] static ErrorOr<NonnullRefPtr<Bitmap>> try_create_shareable(BitmapFormat, IntSize const&, int intrinsic_scale = 1);
[[nodiscard]] static ErrorOr<NonnullRefPtr<Bitmap>> try_create_wrapper(BitmapFormat, IntSize const&, int intrinsic_scale, size_t pitch, void*);
[[nodiscard]] static RefPtr<Bitmap> try_load_from_file(String const& path, int scale_factor = 1);
[[nodiscard]] static RefPtr<Bitmap> try_load_from_fd_and_close(int fd, String const& path, int scale_factor = 1);

8
Userland/Libraries/LibWeb/OutOfProcessWebView.cpp
View file

@ -141,14 +141,14 @@ void OutOfProcessWebView::handle_resize()
if (available_size().is_empty())
return;
if (auto new_bitmap = Gfx::Bitmap::try_create_shareable(Gfx::BitmapFormat::BGRx8888, available_size())) {
m_client_state.front_bitmap.bitmap = move(new_bitmap);
if (auto new_bitmap_or_error = Gfx::Bitmap::try_create_shareable(Gfx::BitmapFormat::BGRx8888, available_size()); !new_bitmap_or_error.is_error()) {
m_client_state.front_bitmap.bitmap = new_bitmap_or_error.release_value();
m_client_state.front_bitmap.id = m_client_state.next_bitmap_id++;
client().async_add_backing_store(m_client_state.front_bitmap.id, m_client_state.front_bitmap.bitmap->to_shareable_bitmap());
}
if (auto new_bitmap = Gfx::Bitmap::try_create_shareable(Gfx::BitmapFormat::BGRx8888, available_size())) {
m_client_state.back_bitmap.bitmap = move(new_bitmap);
if (auto new_bitmap_or_error = Gfx::Bitmap::try_create_shareable(Gfx::BitmapFormat::BGRx8888, available_size()); !new_bitmap_or_error.is_error()) {
m_client_state.back_bitmap.bitmap = new_bitmap_or_error.release_value();
m_client_state.back_bitmap.id = m_client_state.next_bitmap_id++;
client().async_add_backing_store(m_client_state.back_bitmap.id, m_client_state.back_bitmap.bitmap->to_shareable_bitmap());
}