77 lines
2.3 KiB
C
77 lines
2.3 KiB
C
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// ----------------------------------------------------------------------------
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// - Open3D: www.open3d.org -
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// ----------------------------------------------------------------------------
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// Copyright (c) 2018-2023 www.open3d.org
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// SPDX-License-Identifier: MIT
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// ----------------------------------------------------------------------------
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#pragma once
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#include <functional>
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#include <string>
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#include "open3d/utility/ProgressBar.h"
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namespace open3d {
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namespace utility {
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/// Progress reporting through update_progress(double percent) function.
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/// If you have a set number of items to process (or bytes to load),
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/// CountingProgressReporter will convert that to percentages (you still have to
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/// specify how many items you have, of course)
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class CountingProgressReporter {
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public:
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CountingProgressReporter(std::function<bool(double)> f) {
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update_progress_ = f;
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}
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void SetTotal(int64_t total) { total_ = total; }
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bool Update(int64_t count) {
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if (!update_progress_) return true;
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last_count_ = count;
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double percent = 0;
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if (total_ > 0) {
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if (count < total_) {
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percent = count * 100.0 / total_;
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} else {
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percent = 100.0;
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}
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}
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return CallUpdate(percent);
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}
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void Finish() { CallUpdate(100); }
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// for compatibility with ProgressBar
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void operator++() { Update(last_count_ + 1); }
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private:
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bool CallUpdate(double percent) {
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if (update_progress_) {
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return update_progress_(percent);
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}
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return true;
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}
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std::function<bool(double)> update_progress_;
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int64_t total_ = -1;
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int64_t last_count_ = -1;
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};
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/// update_progress(double percent) functor for ProgressBar
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struct ConsoleProgressUpdater {
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ConsoleProgressUpdater(const std::string &progress_info,
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bool active = false)
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: progress_bar_(100, progress_info, active) {}
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bool operator()(double pct) {
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while (last_pct_ < pct) {
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++last_pct_;
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++progress_bar_;
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}
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return true;
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}
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private:
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utility::ProgressBar progress_bar_;
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int last_pct_ = 0;
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};
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} // namespace utility
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} // namespace open3d
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