97 lines
3.1 KiB
Java
97 lines
3.1 KiB
Java
/*
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* Copyright (c) 2017, 7u83 <7u83@mail.ru>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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package opensesim.chart.painter;
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import opensesim.old_sesim.ChartDef;
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import opensesim.old_sesim.ChartPanel;
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import java.awt.Dimension;
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import java.awt.Graphics2D;
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import opensesim.old_sesim.OHLCData;
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import opensesim.old_sesim.OHLCDataItem;
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/**
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* Paints an x-legend for OHLC charts
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*
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* @author 7u83 <7u83@mail.ru>
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*/
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public class XLegendPainter extends OHLCChartPainter {
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private String getTimeStrAt(OHLCData data, int unit) {
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int fs = data.getFrameSize();
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return opensesim.old_sesim.Scheduler.formatTimeMillis(0 + (long) unit * (long) fs);
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}
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@Override
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public void drawChart(Graphics2D g, ChartPanel p, ChartDef def) {
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init(g);
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int caption_tick = 10;
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int long_tick = 5;
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Dimension size = p.getSize();
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int first_bar = getFirstBar(p);
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double ticksize = em_size * def.x_unit_width;
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String text = getTimeStrAt(data, first_bar);
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int swidth = g.getFontMetrics().stringWidth(text);
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caption_tick = swidth * 2 / ((int) ticksize);
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caption_tick = (caption_tick / 5) * 5 + 5;
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int n;
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double x;
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int y = 0;
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for (n = first_bar, x = 0; x < size.width+em_size*3; x += ticksize) {
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if (n % long_tick == 0) {
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g.drawLine((int) x, y, (int) x, y + em_size);
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} else {
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g.drawLine((int) x, y, (int) x, y + em_size / 2);
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}
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if (n % caption_tick == 0) {
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text = getTimeStrAt(data, n);
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swidth = g.getFontMetrics().stringWidth(text);
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g.drawString(text, (int) x - swidth / 2, y + em_size * 3);
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}
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n += 1;
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}
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}
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@Override
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void drawItem(Graphics2D g, int prevx, int x, OHLCDataItem prev, OHLCDataItem i) {
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}
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}
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