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PixelPaint: Add mask Bitmap to Layer and expose it

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This commit is contained in:
Tobias Christiansen 2022-03-07 21:32:04 +01:00 • committed by Andreas Kling
parent 31a9196bfe
commit 82bfdec790
2 changed files with 15 additions and 1 deletions
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8
Userland/Applications/PixelPaint/Layer.cpp
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@ -153,10 +153,16 @@ void Layer::update_cached_bitmap()
if (!is_masked()) {
if (m_content_bitmap.ptr() == m_cached_display_bitmap.ptr())
return;
m_cached_display_bitmap = m_content_bitmap;
return;
}
}
void Layer::create_mask()
{
m_mask_bitmap = MUST(Gfx::Bitmap::try_create(Gfx::BitmapFormat::BGRx8888, size()));
m_mask_bitmap->fill(Gfx::Color::White);
update_cached_bitmap();
}
}

8
Userland/Applications/PixelPaint/Layer.h
View file

@ -40,6 +40,11 @@ public:
Gfx::Bitmap const& content_bitmap() const { return m_content_bitmap; }
Gfx::Bitmap& content_bitmap() { return m_content_bitmap; }
Gfx::Bitmap const* mask_bitmap() const { return m_mask_bitmap; }
Gfx::Bitmap* mask_bitmap() { return m_mask_bitmap; }
void create_mask();
Gfx::IntSize size() const { return content_bitmap().size(); }
Gfx::IntRect relative_rect() const { return { location(), size() }; }
@ -67,6 +72,8 @@ public:
void erase_selection(Selection const&);
bool is_masked() { return !m_mask_bitmap.is_null(); }
private:
Layer(Image&, NonnullRefPtr<Gfx::Bitmap>, String name);
@ -75,6 +82,7 @@ private:
String m_name;
Gfx::IntPoint m_location;
NonnullRefPtr<Gfx::Bitmap> m_content_bitmap;
RefPtr<Gfx::Bitmap> m_mask_bitmap { nullptr };
NonnullRefPtr<Gfx::Bitmap> m_cached_display_bitmap;
bool m_selected { false };