void TrafficGraphWidget::paintPath(QPainterPath &path, const TrafficGraphData::SampleQueue &queue, SampleChooser chooser)
{
int h = height() - YMARGIN * 2, w = width() - XMARGIN * 2;
int sampleCount = queue.size(), x = XMARGIN + w, y;
if(sampleCount > 0) {
path.moveTo(x, YMARGIN + h);
for(int i = 0; i < sampleCount; ++i) {
x = XMARGIN + w - w * i / TrafficGraphData::DESIRED_DATA_SAMPLES;
y = YMARGIN + h - (int)(h * chooser(queue.at(i)) / fMax);
path.lineTo(x, y);
}
path.lineTo(x, YMARGIN + h);
}
}
void TrafficGraphDataTests::simpleCurrentSampleQueueTests()
{
TrafficGraphData trafficGraphData(TrafficGraphData::Range_5m);
for (int i = 0; i < TrafficGraphData::DESIRED_DATA_SAMPLES; i++)
QVERIFY(trafficGraphData.update(TrafficSample(i, i)));
TrafficGraphData::SampleQueue queue = trafficGraphData.getCurrentRangeQueue();
QCOMPARE(queue.size(), TrafficGraphData::DESIRED_DATA_SAMPLES);
for (int i = 0; i < TrafficGraphData::DESIRED_DATA_SAMPLES; i++){
QCOMPARE((int)queue.at(i).in, TrafficGraphData::DESIRED_DATA_SAMPLES - i - 1);
QCOMPARE((int)queue.at(i).out, TrafficGraphData::DESIRED_DATA_SAMPLES - i - 1);
}
QVERIFY(trafficGraphData.update(TrafficSample(0, 0)));
queue = trafficGraphData.getCurrentRangeQueue();
QCOMPARE(queue.size(), TrafficGraphData::DESIRED_DATA_SAMPLES);
QCOMPARE((int)queue.at(0).in, 0);
QCOMPARE((int)queue.at(0).out, 0);
}
