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WindowServer: Load multiple scaled versions of Bitmaps and Cursors

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This enables rendering of mixed-scale screen layouts with e.g. high
resolution cursors and window button icons on high-dpi screens while
using lower resolution bitmaps on regular screens.
This commit is contained in:
Tom 2021-06-18 19:21:30 -06:00 • committed by Andreas Kling
parent aa15bf81e4
commit 61af9d882e
15 changed files with 269 additions and 99 deletions
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11
Userland/Services/WindowServer/WindowFrame.h
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@ -19,12 +19,13 @@ namespace WindowServer {
class Button;
class Menu;
class MouseEvent;
class Window;
class MultiScaleBitmaps;
class Screen;
class Window;
class WindowFrame {
public:
class RenderedCache {
class PerScaleRenderedCache {
friend class WindowFrame;
public:
@ -60,7 +61,7 @@ public:
void paint(Screen&, Gfx::Painter&, const Gfx::IntRect&);
void render(Screen&, Gfx::Painter&);
RenderedCache* render_to_cache(Screen&);
PerScaleRenderedCache* render_to_cache(Screen&);
void handle_mouse_event(MouseEvent const&);
void handle_titlebar_mouse_event(MouseEvent const&);
@ -123,7 +124,7 @@ private:
void paint_normal_frame(Gfx::Painter&);
void paint_tool_window_frame(Gfx::Painter&);
void paint_menubar(Gfx::Painter&);
Gfx::Bitmap* shadow_bitmap() const;
MultiScaleBitmaps* shadow_bitmap() const;
Gfx::IntRect inflated_for_shadow(const Gfx::IntRect&) const;
void handle_menubar_mouse_event(const MouseEvent&);
@ -140,7 +141,7 @@ private:
Button* m_maximize_button { nullptr };
Button* m_minimize_button { nullptr };
HashMap<int, NonnullOwnPtr<RenderedCache>> m_rendered_cache;
HashMap<int, NonnullOwnPtr<PerScaleRenderedCache>> m_rendered_cache;
RefPtr<Core::Timer> m_flash_timer;
size_t m_flash_counter { 0 };