profilergraph.h

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/*
Minetest
Copyright (C) 2010-2018 celeron55, Perttu Ahola <celeron55@gmail.com>
 
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
 
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU Lesser General Public License for more details.
 
You should have received a copy of the GNU Lesser General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
 
#pragma once
 
#include <SColor.h>
#include <deque>
#include <utility>
#include <IGUIFont.h>
#include <IVideoDriver.h>
#include "profiler.h"
 
/* Profiler display */
class ProfilerGraph
{
private:
    struct Piece
    {
        Piece(Profiler::GraphValues v) : values(std::move(v)) {}
        Profiler::GraphValues values;
    };
    struct Meta
    {
        float min;
        float max;
        video::SColor color;
        Meta(float initial = 0,
                video::SColor color = video::SColor(255, 255, 255, 255)) :
                min(initial),
                max(initial), color(color)
        {
        }
    };
    std::deque<Piece> m_log;
 
public:
    u32 m_log_max_size = 200;
 
    ProfilerGraph() = default;
 
    void put(const Profiler::GraphValues &values);
 
    void draw(s32 x_left, s32 y_bottom, video::IVideoDriver *driver,
            gui::IGUIFont *font) const;
};