Examples with LongPoint org.eclipse.tracecompass.internal.tmf.ui.widgets.timegraph.TimeGraphRender.LongPoint used on opensource projects

Example 1 with LongPoint

use of org.eclipse.tracecompass.internal.tmf.ui.widgets.timegraph.TimeGraphRender.LongPoint in project tracecompass by tracecompass.

the class TimeGraphControl method drawLineGraphEntry.

private void drawLineGraphEntry(long time0, @NonNull Rectangle rect, double pixelsPerNanoSec, Iterator<ITimeEvent> iterator) {
    // clamp 0 - max positive
    long max = Long.MIN_VALUE;
    long min = 0;
    List<@NonNull List<@NonNull LongPoint>> seriesModel = new ArrayList<>();
    TimeLineEvent lastValid = null;
    while (iterator.hasNext()) {
        ITimeEvent event = iterator.next();
        if (!(event instanceof TimeLineEvent)) {
            continue;
        }
        int x = SaturatedArithmetic.add(rect.x, (int) ((event.getTime() - time0) * pixelsPerNanoSec));
        if (x >= rect.x + rect.width) {
            // event is out of bounds
            continue;
        }
        TimeLineEvent timeEvent = (TimeLineEvent) event;
        List<Long> values = timeEvent.getValues();
        for (int i = 0; i < values.size(); i++) {
            if (seriesModel.size() <= i) {
                seriesModel.add(new ArrayList<>());
            }
            Long val = values.get(i);
            if (val != null) {
                // get max and min, this is a relative scale.
                max = Math.max(Math.abs(val), max);
                min = 0;
                lastValid = timeEvent;
                seriesModel.get(i).add(new LongPoint(x, val));
            }
        }
    }
    if (lastValid == null) {
        return;
    }
    double scale = (max - min) == 0 ? 1.0 : (double) rect.height / (max - min);
    StyleManager styleManager = getStyleManager();
    OutputElementStyle elementStyle = getElementStyle(lastValid);
    if (elementStyle == null) {
        return;
    }
    RGBAColor rgba = styleManager.getColorStyle(elementStyle, StyleProperties.COLOR);
    fLines.add(new DeferredLine(rect, min, seriesModel, rgba == null ? BLACK : rgba, scale));
}