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Give WindowManager member copies of the Framebuffer& and the screen rect.

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These are used all the time, let's avoid function calls for them.
This commit is contained in:
Andreas Kling 2019-01-12 16:51:14 +01:00
parent e5fc2ca900
commit 3b955d8e99
Notes: sideshowbarker 2024-07-19 16:04:06 +09:00 
Author: https://github.com/awesomekling
Commit: https://github.com/SerenityOS/serenity/commit/3b955d8e996
2 changed files with 16 additions and 10 deletions
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17
Widgets/WindowManager.cpp
View File

@ -63,11 +63,13 @@ void WindowManager::initialize()
}
WindowManager::WindowManager()
: m_framebuffer(FrameBuffer::the())
, m_screen_rect(m_framebuffer.rect())
{
auto size = FrameBuffer::the().rect().size();
m_front_bitmap = GraphicsBitmap::create_wrapper(size, FrameBuffer::the().scanline(0));
auto size = m_screen_rect.size();
m_front_bitmap = GraphicsBitmap::create_wrapper(size, m_framebuffer.scanline(0));
auto* region = current->allocate_region(LinearAddress(), size.width() * size.height() * 4, "back buffer", true, true, true);
m_back_bitmap = GraphicsBitmap::create_wrapper(FrameBuffer::the().rect().size(), (RGBA32*)region->linearAddress.get());
m_back_bitmap = GraphicsBitmap::create_wrapper(m_screen_rect.size(), (RGBA32*)region->linearAddress.get());
m_activeWindowBorderColor = Color(0, 64, 192);
m_activeWindowTitleColor = Color::White;
@ -315,12 +317,12 @@ bool WindowManager::isVisible(Window& window) const
void WindowManager::invalidate()
{
m_invalidated_rects.clear_with_capacity();
m_invalidated_rects.append(AbstractScreen::the().rect());
m_invalidated_rects.append(m_screen_rect);
}
void WindowManager::invalidate(const Rect& a_rect)
{
auto rect = Rect::intersection(a_rect, AbstractScreen::the().rect());
auto rect = Rect::intersection(a_rect, m_screen_rect);
if (rect.is_empty())
return;
for (auto& r : m_invalidated_rects) {
@ -343,8 +345,7 @@ void WindowManager::invalidate(const Window& window)
void WindowManager::flush(const Rect& a_rect)
{
auto& framebuffer = FrameBuffer::the();
auto rect = Rect::intersection(a_rect, framebuffer.rect());
auto rect = Rect::intersection(a_rect, m_screen_rect);
for (int y = rect.top(); y <= rect.bottom(); ++y) {
auto* front_scanline = m_front_bitmap->scanline(y);
@ -352,5 +353,5 @@ void WindowManager::flush(const Rect& a_rect)
memcpy(front_scanline + rect.x(), back_scanline + rect.x(), rect.width() * sizeof(RGBA32));
}
framebuffer.flush();
m_framebuffer.flush();
}

9
Widgets/WindowManager.h
View File

@ -7,6 +7,7 @@
#include <AK/InlineLinkedList.h>
#include <AK/WeakPtr.h>
class FrameBuffer;
class MouseEvent;
class PaintEvent;
class Widget;
@ -49,14 +50,18 @@ private:
virtual void event(Event&) override;
void compose();
void paintWindowFrame(Window&);
FrameBuffer& m_framebuffer;
Rect m_screen_rect;
Color m_activeWindowBorderColor;
Color m_activeWindowTitleColor;
Color m_inactiveWindowBorderColor;
Color m_inactiveWindowTitleColor;
void compose();
void paintWindowFrame(Window&);
HashTable<Window*> m_windows;
InlineLinkedList<Window> m_windows_in_order;