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PixelPaint: Split bitmap() of Layer into {content, display}_bitmap

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This is in preparation to support masking of Layers. We now distinguish
between the "display_bitmap" which will be the whole Layer with every
effect applied and the "content_bitmap" which contains the actual
unmodified pixels in the Layer.
This commit is contained in:
Tobias Christiansen 2022-03-07 21:24:05 +01:00 • committed by Andreas Kling
parent b6510f8e76
commit 31a9196bfe
14 changed files with 73 additions and 42 deletions
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16
Userland/Applications/PixelPaint/Layer.h
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@ -1,6 +1,7 @@
/*
* Copyright (c) 2020-2021, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2022, the SerenityOS developers.
* Copyright (c) 2022, Tobias Christiansen <tobyase@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
@ -35,9 +36,11 @@ public:
Gfx::IntPoint const& location() const { return m_location; }
void set_location(Gfx::IntPoint const& location) { m_location = location; }
Gfx::Bitmap const& bitmap() const { return *m_bitmap; }
Gfx::Bitmap& bitmap() { return *m_bitmap; }
Gfx::IntSize size() const { return bitmap().size(); }
Gfx::Bitmap const& display_bitmap() const { return m_cached_display_bitmap; }
Gfx::Bitmap const& content_bitmap() const { return m_content_bitmap; }
Gfx::Bitmap& content_bitmap() { return m_content_bitmap; }
Gfx::IntSize size() const { return content_bitmap().size(); }
Gfx::IntRect relative_rect() const { return { location(), size() }; }
Gfx::IntRect rect() const { return { {}, size() }; }
@ -45,7 +48,7 @@ public:
String const& name() const { return m_name; }
void set_name(String);
void set_bitmap(NonnullRefPtr<Gfx::Bitmap> bitmap) { m_bitmap = move(bitmap); }
void set_content_bitmap(NonnullRefPtr<Gfx::Bitmap> bitmap);
void did_modify_bitmap(Gfx::IntRect const& = {});
@ -71,12 +74,15 @@ private:
String m_name;
Gfx::IntPoint m_location;
NonnullRefPtr<Gfx::Bitmap> m_bitmap;
NonnullRefPtr<Gfx::Bitmap> m_content_bitmap;
NonnullRefPtr<Gfx::Bitmap> m_cached_display_bitmap;
bool m_selected { false };
bool m_visible { true };
int m_opacity_percent { 100 };
void update_cached_bitmap();
};
}