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PixelPaint: Ask to preserve transparency when exporting

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Previously the alpha channel was thrown away when exporting to BMP or
PNG in PixelPaint, instead let the user decide.
This commit is contained in:
Marcus Nilsson 2021-07-04 12:34:10 +02:00 • committed by Andreas Kling
parent 8324ffefe7
commit 2183d01eb0
3 changed files with 15 additions and 11 deletions
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6
Userland/Applications/PixelPaint/Image.h
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@ -43,7 +43,7 @@ public:
static RefPtr<Image> try_create_from_bitmap(NonnullRefPtr<Gfx::Bitmap>);
// This generates a new Bitmap with the final image (all layers composed according to their attributes.)
RefPtr<Gfx::Bitmap> try_compose_bitmap() const;
RefPtr<Gfx::Bitmap> try_compose_bitmap(Gfx::BitmapFormat format) const;
size_t layer_count() const { return m_layers.size(); }
Layer const& layer(size_t index) const { return m_layers.at(index); }
@ -58,8 +58,8 @@ public:
void paint_into(GUI::Painter&, Gfx::IntRect const& dest_rect) const;
Result<void, String> write_to_file(String const& file_path) const;
Result<void, String> export_bmp_to_file(String const& file_path);
Result<void, String> export_png_to_file(String const& file_path);
Result<void, String> export_bmp_to_file(String const& file_path, bool preserve_alpha_channel);
Result<void, String> export_png_to_file(String const& file_path, bool preserve_alpha_channel);
void move_layer_to_front(Layer&);
void move_layer_to_back(Layer&);