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/* -*- Mode: c++ -*- */
/***************************************************************************
* benchmarktest.cc
*
* Sun Feb 23 14:24:12 CET 2020
* Copyright 2020 Bent Bisballe Nyeng
* deva@aasimon.org
****************************************************************************/
/*
* This file is part of DrumGizmo.
*
* DrumGizmo 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 3 of the License, or
* (at your option) any later version.
*
* DrumGizmo 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 DrumGizmo; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#include <chrono>
#include <iostream>
#include <cstdint>
#include <string>
#include <image.h>
#include <painter.h>
#include <canvas.h>
class TimedCanvas
: public GUI::Canvas
{
public:
GUI::PixelBufferAlpha& GetPixelBuffer() override
{
return pixbuf;
}
private:
GUI::PixelBufferAlpha pixbuf{800, 600};
};
class TimedScope
{
public:
using clock_t = std::chrono::steady_clock;
TimedScope(const std::string& title, std::size_t iterations)
: title(title)
, iterations(iterations)
, begin(clock_t::now())
{}
~TimedScope()
{
clock_t::time_point end= std::chrono::steady_clock::now();
auto micro_seconds =
std::chrono::duration_cast<std::chrono::microseconds>(end - begin).count();
micro_seconds /= iterations;
std::cout << title << ": " << micro_seconds << " µs " <<
"(" << (micro_seconds / 1000) << " ms)" << std::endl;
}
private:
std::string title;
std::size_t iterations;
clock_t::time_point begin;
};
int main()
{
TimedCanvas canvas;
GUI::Painter painter(canvas);
GUI::Image image(":resources/bg.png");
{
TimedScope timed("No scale", 10000);
for(int i = 0; i < 10000; ++i)
{
painter.drawImage(0, 0, image);
}
}
{
TimedScope timed("Scaled 1:1", 2000);
for(int i = 0; i < 2000; ++i)
{
painter.drawImageStretched(0, 0, image, 370, 330);
}
}
{
TimedScope timed("Scaled to window", 1000);
for(int i = 0; i < 1000; ++i)
{
painter.drawImageStretched(0, 0, image, 800, 6000);
}
}
return 0;
}
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