77 lines
2.3 KiB
Rust
77 lines
2.3 KiB
Rust
// Copyright 2017 Jos van den Oever <jos@vandenoever.info>
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation; either version 2 of
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// the License or (at your option) version 3 or any later version
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// accepted by the membership of KDE e.V. (or its successor approved
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// by the membership of KDE e.V.), which shall act as a proxy
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// defined in Section 14 of version 3 of the license.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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use interface::*;
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#[derive(Default, Clone)]
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struct TimeSeriesItem {
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time: f32,
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sin: f32,
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cos: f32,
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}
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pub struct TimeSeries {
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emit: TimeSeriesEmitter,
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list: Vec<TimeSeriesItem>,
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}
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impl TimeSeriesTrait for TimeSeries {
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fn new(emit: TimeSeriesEmitter, _: TimeSeriesList) -> TimeSeries {
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let mut series = TimeSeries {
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emit,
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list: Vec::new(),
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};
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for i in 0..101 {
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let x = i as f32 / 10.;
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series.list.push(TimeSeriesItem {
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time: x,
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sin: x.sin(),
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cos: x.cos(),
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});
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}
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series
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}
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fn emit(&mut self) -> &mut TimeSeriesEmitter {
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&mut self.emit
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}
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fn row_count(&self) -> usize {
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self.list.len() as usize
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}
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fn time(&self, row: usize) -> f32 {
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self.list[row as usize].time
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}
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fn set_time(&mut self, row: usize, v: f32) -> bool {
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self.list[row as usize].time = v;
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true
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}
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fn sin(&self, row: usize) -> f32 {
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self.list[row as usize].sin
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}
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fn set_sin(&mut self, row: usize, v: f32) -> bool {
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self.list[row as usize].sin = v;
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true
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}
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fn cos(&self, row: usize) -> f32 {
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self.list[row as usize].cos
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}
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fn set_cos(&mut self, row: usize, v: f32) -> bool {
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self.list[row as usize].cos = v;
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true
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}
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}
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