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d9f8f6a2d0
This patch adds Messages::WindowServer::GetScreenBitmap. It returns the currently displayed on-screen bitmap as-is, as a Gfx::ShareableBitmap.
136 lines
4.5 KiB
C++
136 lines
4.5 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include <AK/OwnPtr.h>
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#include <AK/RefPtr.h>
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#include <LibCore/Object.h>
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#include <LibGfx/Color.h>
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#include <LibGfx/DisjointRectSet.h>
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namespace WindowServer {
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class ClientConnection;
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class Cursor;
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class Window;
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class WindowManager;
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enum class WallpaperMode {
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Simple,
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Tile,
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Center,
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Stretch,
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Unchecked
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};
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class Compositor final : public Core::Object {
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C_OBJECT(Compositor)
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public:
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static Compositor& the();
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void compose();
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void invalidate_window();
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void invalidate_screen();
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void invalidate_screen(const Gfx::IntRect&);
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bool set_resolution(int desired_width, int desired_height, int scale_factor);
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bool set_background_color(const String& background_color);
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bool set_wallpaper_mode(const String& mode);
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bool set_wallpaper(const String& path, Function<void(bool)>&& callback);
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String wallpaper_path() const { return m_wallpaper_path; }
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void invalidate_cursor(bool = false);
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Gfx::IntRect current_cursor_rect() const;
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void increment_display_link_count(Badge<ClientConnection>);
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void decrement_display_link_count(Badge<ClientConnection>);
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void invalidate_occlusions() { m_occlusions_dirty = true; }
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void did_construct_window_manager(Badge<WindowManager>);
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const Gfx::Bitmap& front_bitmap_for_screenshot(Badge<ClientConnection>) const { return *m_front_bitmap; }
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private:
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Compositor();
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void init_bitmaps();
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void flip_buffers();
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void flush(const Gfx::IntRect&);
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void run_animations(Gfx::DisjointRectSet&);
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void notify_display_links();
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void start_compose_async_timer();
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void recompute_occlusions();
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bool any_opaque_window_above_this_one_contains_rect(const Window&, const Gfx::IntRect&);
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void change_cursor(const Cursor*);
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void draw_cursor(const Gfx::IntRect&);
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void restore_cursor_back();
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bool draw_geometry_label(Gfx::IntRect&);
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RefPtr<Core::Timer> m_compose_timer;
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RefPtr<Core::Timer> m_immediate_compose_timer;
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bool m_flash_flush { false };
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bool m_buffers_are_flipped { false };
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bool m_screen_can_set_buffer { false };
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bool m_occlusions_dirty { true };
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bool m_invalidated_any { true };
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bool m_invalidated_window { false };
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bool m_invalidated_cursor { false };
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RefPtr<Gfx::Bitmap> m_front_bitmap;
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RefPtr<Gfx::Bitmap> m_back_bitmap;
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RefPtr<Gfx::Bitmap> m_temp_bitmap;
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OwnPtr<Gfx::Painter> m_back_painter;
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OwnPtr<Gfx::Painter> m_front_painter;
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OwnPtr<Gfx::Painter> m_temp_painter;
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Gfx::DisjointRectSet m_dirty_screen_rects;
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Gfx::DisjointRectSet m_opaque_wallpaper_rects;
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RefPtr<Gfx::Bitmap> m_cursor_back_bitmap;
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OwnPtr<Gfx::Painter> m_cursor_back_painter;
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Gfx::IntRect m_last_cursor_rect;
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Gfx::IntRect m_last_dnd_rect;
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Gfx::IntRect m_last_geometry_label_damage_rect;
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String m_wallpaper_path { "" };
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WallpaperMode m_wallpaper_mode { WallpaperMode::Unchecked };
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RefPtr<Gfx::Bitmap> m_wallpaper;
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const Cursor* m_current_cursor { nullptr };
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unsigned m_current_cursor_frame { 0 };
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RefPtr<Core::Timer> m_cursor_timer;
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RefPtr<Core::Timer> m_display_link_notify_timer;
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size_t m_display_link_count { 0 };
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Optional<Gfx::Color> m_custom_background_color;
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};
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}
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