package timeflow.vis;
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import timeflow.data.time.*;
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import java.util.*;
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public class TimeScale
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{
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private double low, high;
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private Interval interval;
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public TimeScale()
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{
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low = 0;
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high = 100;
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interval = new Interval(new Date(0).getTime(), new Date().getTime());
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}
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public Interval getInterval()
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{
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return interval;
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}
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public void setNumberRange(double low, double high)
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{
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this.low = low;
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this.high = high;
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}
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public void setDateRange(Interval t)
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{
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setDateRange(t.start, t.end);
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}
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public void setDateRange(long first, long last)
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{
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interval.setTo(first, last);
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}
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public boolean containsDate(long date)
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{
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return interval.contains(date);
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}
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public boolean containsNum(double x)
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{
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return x >= low && x <= high;
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}
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public long duration()
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{
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return interval.length();
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}
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public double toNum(long time)
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{
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return low + (high - low) * (time - interval.start) / (double) duration();
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}
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public long spaceToTime(double space)
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{
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return (long) (space * duration() / (high - low));
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}
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public int toInt(long time)
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{
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return (int) toNum(time);
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}
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public long toTime(double num)
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{
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double millis = interval.start + duration() * (num - low) / (high - low);
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return (long) millis;
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}
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public double getLow()
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{
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return low;
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}
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public void setLow(double low)
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{
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this.low = low;
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}
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public double getHigh()
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{
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return high;
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}
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public void setHigh(double high)
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{
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this.high = high;
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}
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}
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