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PixelPaint: Use ErrorOr<T> for Image and Layer creation helpers

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This commit is contained in:
Andreas Kling 2021-11-07 11:22:35 +01:00
parent 9268ed9605
commit 801d46d02c
7 changed files with 76 additions and 113 deletions
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12
Userland/Applications/PixelPaint/Image.h
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@ -46,11 +46,11 @@ protected:
class Image : public RefCounted<Image> {
public:
static RefPtr<Image> try_create_with_size(Gfx::IntSize const&);
static Result<NonnullRefPtr<Image>, String> try_create_from_pixel_paint_json(JsonObject const&);
static RefPtr<Image> try_create_from_bitmap(NonnullRefPtr<Gfx::Bitmap>);
static ErrorOr<NonnullRefPtr<Image>> try_create_with_size(Gfx::IntSize const&);
static ErrorOr<NonnullRefPtr<Image>> try_create_from_pixel_paint_json(JsonObject const&);
static ErrorOr<NonnullRefPtr<Image>> try_create_from_bitmap(NonnullRefPtr<Gfx::Bitmap>);
static RefPtr<Gfx::Bitmap> try_decode_bitmap(const ReadonlyBytes& bitmap_data);
static ErrorOr<NonnullRefPtr<Gfx::Bitmap>> try_decode_bitmap(ReadonlyBytes);
// This generates a new Bitmap with the final image (all layers composed according to their attributes.)
ErrorOr<NonnullRefPtr<Gfx::Bitmap>> try_compose_bitmap(Gfx::BitmapFormat format) const;
@ -64,8 +64,8 @@ public:
Gfx::IntRect rect() const { return { {}, m_size }; }
void add_layer(NonnullRefPtr<Layer>);
RefPtr<Image> take_snapshot() const;
void restore_snapshot(Image const&);
ErrorOr<NonnullRefPtr<Image>> take_snapshot() const;
ErrorOr<void> restore_snapshot(Image const&);
void paint_into(GUI::Painter&, Gfx::IntRect const& dest_rect) const;