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improved x legend

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7u83 2017-12-27 09:12:49 +01:00
parent 74ab5ec81d
commit 2830447bae
1 changed files with 17 additions and 13 deletions
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28
src/chart/painter/XLegendPainter.java
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@ -46,37 +46,41 @@ public class XLegendPainter extends OHLCChartPainter {
} }
int big_tick = 2;
int y = 0;
@Override @Override
public void drawChart(Graphics2D g, ChartPanel p, ChartDef def) { public void drawChart(Graphics2D g, ChartPanel p, ChartDef def) {
init(g); init(g);
int big_tick = 10;
Dimension size = p.getSize(); Dimension size = p.getSize();
int first_bar = getFirstBar(p); int first_bar = getFirstBar(p);
double ticksize = em_size * def.x_unit_width;
String text = getTimeStrAt(data, first_bar);
int swidth = g.getFontMetrics().stringWidth(text);
big_tick = swidth * 2 / ((int) ticksize);
big_tick = (big_tick / 5) * 5 + 5;
int n; int n;
int x; int x;
for (n = first_bar, x = 0; x < size.width; x += em_size * def.x_unit_width) { int y = 0;
for (n = first_bar, x = 0; x < size.width; x += ticksize) {
if (n % big_tick == 0) { if (n % big_tick == 0) {
g.drawLine((int) x, y, (int) x, y + em_size); g.drawLine((int) x, y, (int) x, y + em_size);
String text;
text = getTimeStrAt(data, n); text = getTimeStrAt(data, n);
int swidth = g.getFontMetrics().stringWidth(text); swidth = g.getFontMetrics().stringWidth(text);
g.drawString(text, (int) x - swidth / 2, y + em_size * 2); g.drawString(text, (int) x - swidth / 2, y + em_size * 3);
} else { } else {
g.drawLine((int) x, y, (int) x, y + em_size / 2); g.drawLine((int) x, y, (int) x, y + em_size / 2);
} }
if (n % big_tick == 0) {
}
n += 1; n += 1;
} }