diff options
| author | Brendan Coles <bcoles@gmail.com> | 2020-04-28 00:00:44 +0000 |
|---|---|---|
| committer | Andreas Kling <kling@serenityos.org> | 2020-04-28 09:36:28 +0200 |
| commit | 24b9e57b150ec03c6cfc60cb3492959460f381cb (patch) | |
| tree | 6657222d423e238f0353d855bc9e16d5b8371d49 /Demos | |
| parent | 8f2300afb5cae00595126ee9119a6f47c6e20b17 (diff) | |
| download | serenity-24b9e57b150ec03c6cfc60cb3492959460f381cb.zip | |
Screensaver: Draw screen before first timer iteration and seed srand()
Diffstat (limited to 'Demos')
| -rw-r--r-- | Demos/Screensaver/Screensaver.cpp | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/Demos/Screensaver/Screensaver.cpp b/Demos/Screensaver/Screensaver.cpp index e63005f53a..be6c6ca89a 100644 --- a/Demos/Screensaver/Screensaver.cpp +++ b/Demos/Screensaver/Screensaver.cpp @@ -26,13 +26,13 @@ #include <LibCore/ElapsedTimer.h> #include <LibGfx/Bitmap.h> -#include <LibGUI/Application.h> #include <LibGUI/Action.h> +#include <LibGUI/Application.h> #include <LibGUI/Event.h> #include <LibGUI/Painter.h> #include <LibGUI/Widget.h> #include <LibGUI/Window.h> -#include <math.h> +#include <time.h> #include <stdio.h> #define WIDTH 64 @@ -48,6 +48,7 @@ private: Screensaver(); RefPtr<Gfx::Bitmap> m_bitmap; + void draw(); virtual void paint_event(GUI::PaintEvent&) override; virtual void timer_event(Core::TimerEvent&) override; virtual void keydown_event(GUI::KeyEvent&) override; @@ -58,8 +59,10 @@ private: Screensaver::Screensaver() { m_bitmap = Gfx::Bitmap::create(Gfx::BitmapFormat::RGB32, { WIDTH, HEIGHT }); + srand(time(nullptr)); stop_timer(); start_timer(INTERVAL); + draw(); } Screensaver::~Screensaver() @@ -75,6 +78,7 @@ void Screensaver::mousedown_event(GUI::MouseEvent&) { ::exit(0); } + void Screensaver::keydown_event(GUI::KeyEvent&) { ::exit(0); @@ -90,7 +94,11 @@ void Screensaver::timer_event(Core::TimerEvent&) { Core::ElapsedTimer timer; timer.start(); + draw(); +} +void Screensaver::draw() +{ const Color colors[] { Color::Blue, Color::Cyan, @@ -106,7 +114,6 @@ void Screensaver::timer_event(Core::TimerEvent&) Gfx::Orientation::Vertical }; - int start_color_index = 0; int end_color_index = 0; while (start_color_index == end_color_index) { |