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PixelPaint: Keep track of and expose the type of the edited bitmap

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This can be either the content bitmap or the mask bitmap.
This commit is contained in:
Tobias Christiansen 2022-03-07 22:36:19 +01:00 committed by Andreas Kling
parent a180b5f442
commit 96829565d8
Notes: sideshowbarker 2024-07-17 17:47:00 +09:00 
Author: https://github.com/TobyAsE
Commit: https://github.com/SerenityOS/serenity/commit/96829565d8
Pull-request: https://github.com/SerenityOS/serenity/pull/12934
2 changed files with 33 additions and 0 deletions
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21
Userland/Applications/PixelPaint/Layer.cpp
View File

@ -179,4 +179,25 @@ void Layer::create_mask()
update_cached_bitmap();
}
Gfx::Bitmap& Layer::currently_edited_bitmap()
{
switch (edit_mode()) {
case EditMode::Mask:
if (is_masked())
return *mask_bitmap();
[[fallthrough]];
case EditMode::Content:
return content_bitmap();
}
VERIFY_NOT_REACHED();
}
void Layer::set_edit_mode(Layer::EditMode mode)
{
if (m_edit_mode == mode)
return;
m_edit_mode = mode;
}
}

12
Userland/Applications/PixelPaint/Layer.h
View File

@ -74,6 +74,16 @@ public:
bool is_masked() { return !m_mask_bitmap.is_null(); }
enum class EditMode {
Content,
Mask,
};
EditMode edit_mode() { return m_edit_mode; }
void set_edit_mode(EditMode mode);
Gfx::Bitmap& currently_edited_bitmap();
private:
Layer(Image&, NonnullRefPtr<Gfx::Bitmap>, String name);
@ -90,6 +100,8 @@ private:
int m_opacity_percent { 100 };
EditMode m_edit_mode { EditMode::Content };
void update_cached_bitmap();
};