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serenity/Servers/WindowServer/WSCompositor.h
2019-09-20 15:20:10 +02:00

68 lines
1.6 KiB
C++

#pragma once
#include <AK/OwnPtr.h>
#include <AK/RefPtr.h>
#include <LibCore/CObject.h>
#include <LibCore/CTimer.h>
#include <LibDraw/DisjointRectSet.h>
#include <LibDraw/GraphicsBitmap.h>
class Painter;
class WSCursor;
enum class WallpaperMode {
Simple,
Tile,
Center,
Scaled,
Unchecked
};
class WSCompositor final : public CObject {
C_OBJECT(WSCompositor)
public:
static WSCompositor& the();
void compose();
void invalidate();
void invalidate(const Rect&);
void set_resolution(int desired_width, int desired_height);
bool set_wallpaper(const String& path, Function<void(bool)>&& callback);
String wallpaper_path() const { return m_wallpaper_path; }
void invalidate_cursor();
Rect current_cursor_rect() const;
private:
WSCompositor();
void init_bitmaps();
void flip_buffers();
void flush(const Rect&);
void draw_cursor();
void draw_geometry_label();
void draw_menubar();
unsigned m_compose_count { 0 };
unsigned m_flush_count { 0 };
ObjectPtr<CTimer> m_compose_timer;
ObjectPtr<CTimer> m_immediate_compose_timer;
bool m_flash_flush { false };
bool m_buffers_are_flipped { false };
bool m_screen_can_set_buffer { false };
RefPtr<GraphicsBitmap> m_front_bitmap;
RefPtr<GraphicsBitmap> m_back_bitmap;
OwnPtr<Painter> m_back_painter;
OwnPtr<Painter> m_front_painter;
DisjointRectSet m_dirty_rects;
Rect m_last_cursor_rect;
Rect m_last_geometry_label_rect;
String m_wallpaper_path;
WallpaperMode m_wallpaper_mode { WallpaperMode::Unchecked };
RefPtr<GraphicsBitmap> m_wallpaper;
};