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Add debug timer for paintEvent

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Mike Walters
2015-07-13 00:42:35 +01:00
parent 205ceef8f9
commit 2591f6bdfb
1 changed files with 7 additions and 0 deletions
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7
spectrogram.cpp
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@@ -1,5 +1,7 @@
#include "spectrogram.h"
#include <QDebug>
#include <QElapsedTimer>
#include <QPainter>
#include <QPaintEvent>
#include <QRect>
@@ -17,6 +19,9 @@ Spectrogram::~Spectrogram()
void Spectrogram::paintEvent(QPaintEvent *event)
{
QElapsedTimer timer;
timer.start();
QRect rect = event->rect();
QPainter painter(this);
painter.fillRect(rect, Qt::black);
@@ -42,4 +47,6 @@ void Spectrogram::paintEvent(QPaintEvent *event)
free(data);
}
qDebug() << "Paint: " << timer.elapsed() << "ms";
}