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Profiler: Extract percentage gradient calculation into its own file

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Stephan Unverwerth 2021-12-28 13:54:21 +01:00 • committed by Andreas Kling
parent ddccf451a9
commit 1c3a82d59e
5 changed files with 48 additions and 36 deletions
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29
Userland/DevTools/Profiler/Gradient.cpp Normal file
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/*
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "Gradient.h"
#include <LibGUI/Painter.h>
namespace Profiler {
static Gfx::Bitmap const& heat_gradient()
{
static RefPtr<Gfx::Bitmap> bitmap;
if (!bitmap) {
bitmap = Gfx::Bitmap::try_create(Gfx::BitmapFormat::BGRx8888, { 101, 1 }).release_value_but_fixme_should_propagate_errors();
GUI::Painter painter(*bitmap);
painter.fill_rect_with_gradient(Orientation::Horizontal, bitmap->rect(), Color::from_rgb(0xffc080), Color::from_rgb(0xff3000));
}
return *bitmap;
}
Color color_for_percent(u8 percent)
{
VERIFY(percent <= 100);
return heat_gradient().get_pixel(percent, 0);
}
}