f55e69d656
* Legacy benchmark_app is added * apply fix for supporting multiple -i arguments * new CMakeLists.txt with OpenCV auto detection * fixes * docs * docs2 * Docs changes * docs * CMakeLists.txt modification * Update tools/legacy/benchmark_app/README.md Co-authored-by: ivikhrev <ivan.vikhrev@intel.com> Co-authored-by: Vladimir Dudnik <vladimir.dudnik@intel.com>
108 lines
3.0 KiB
C++
108 lines
3.0 KiB
C++
// Copyright (C) 2018-2022 Intel Corporation
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// SPDX-License-Identifier: Apache-2.0
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//
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#pragma once
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#include <cstdio>
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#include <iomanip>
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#include <sstream>
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/**
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* @class ConsoleProgress
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* @brief A ConsoleProgress class provides functionality for printing progress dynamics
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*/
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class ConsoleProgress {
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static const size_t DEFAULT_DETALIZATION = 20;
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static const size_t DEFAULT_PERCENT_TO_UPDATE_PROGRESS = 1;
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size_t total;
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size_t cur_progress = 0;
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size_t prev_progress = 0;
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bool stream_output;
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size_t detalization;
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size_t percent_to_update;
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public:
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/**
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* @brief A constructor of ConsoleProgress class
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* @param _total - maximum value that is correspondent to 100%
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* @param _detalization - number of symbols(.) to use to represent progress
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*/
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explicit ConsoleProgress(size_t _total,
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bool _stream_output = false,
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size_t _percent_to_update = DEFAULT_PERCENT_TO_UPDATE_PROGRESS,
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size_t _detalization = DEFAULT_DETALIZATION)
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: total(_total),
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detalization(_detalization),
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percent_to_update(_percent_to_update) {
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stream_output = _stream_output;
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if (total == 0) {
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total = 1;
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}
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}
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/**
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* @brief Shows progress with current data. Progress is shown from the beginning of the current
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* line.
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*/
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void showProgress() const {
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std::stringstream strm;
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if (!stream_output) {
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strm << '\r';
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}
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strm << "Progress: [";
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size_t i = 0;
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for (; i < detalization * cur_progress / total; i++) {
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strm << ".";
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}
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for (; i < detalization; i++) {
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strm << " ";
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}
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strm << "] " << std::setw(3) << 100 * cur_progress / total << "% done";
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if (stream_output) {
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strm << std::endl;
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}
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std::fputs(strm.str().c_str(), stdout);
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std::fflush(stdout);
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}
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/**
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* @brief Updates current value and progressbar
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*/
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void updateProgress() {
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if (cur_progress > total)
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cur_progress = total;
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size_t prev_percent = 100 * prev_progress / total;
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size_t cur_percent = 100 * cur_progress / total;
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if (prev_progress == 0 || cur_progress == total || prev_percent + percent_to_update <= cur_percent) {
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showProgress();
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prev_progress = cur_progress;
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}
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}
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/**
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* @brief Adds value to currently represented and redraw progressbar
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* @param add - value to add
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*/
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void addProgress(int add) {
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if (add < 0 && -add > static_cast<int>(cur_progress)) {
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add = -static_cast<int>(cur_progress);
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}
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cur_progress += add;
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updateProgress();
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}
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/**
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* @brief Output end line.
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* @return
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*/
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void finish() {
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std::stringstream strm;
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strm << std::endl;
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std::fputs(strm.str().c_str(), stdout);
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std::fflush(stdout);
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}
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};
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