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fixed RTT graph. Added colors, and new options to RSGraphWidget. Still needs to draw names for different colors

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git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@7610 b45a01b8-16f6-495d-af2f-9b41ad6348cc
This commit is contained in:
csoler 2014-10-14 20:25:23 +00:00
parent 1757a85e57
commit 3d49af2b2b
5 changed files with 59 additions and 25 deletions
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21
retroshare-gui/src/gui/common/RSGraphWidget.cpp
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@ -146,7 +146,6 @@ RSGraphWidget::RSGraphWidget(QWidget *parent)
{
_source =NULL;
_painter = new QPainter();
_graphStyle = AreaGraph;
/* Initialize graph values */
_maxPoints = getNumPoints();
@ -157,6 +156,7 @@ RSGraphWidget::RSGraphWidget(QWidget *parent)
_timer = new QTimer ;
QObject::connect(_timer,SIGNAL(timeout()),this,SLOT(update())) ;
_precision_digits = 1 ;
_y_scale = 1.0f ;
_timer->start(1000);
}
@ -226,6 +226,14 @@ void RSGraphWidget::paintEvent(QPaintEvent *)
_painter->end();
}
QColor RSGraphWidget::getColor(int i)
{
// shuffle the colors a little bit
int h = (i*44497)%359 ;
return QColor::fromHsv(h,128+127*(i&1),255) ;
}
/** Paints an integral and an outline of that integral for each data set (rsdht
* and/or alldht) that is to be displayed. The integrals will be drawn first,
* followed by the outlines, since we want the area of overlapping integrals
@ -249,12 +257,12 @@ void RSGraphWidget::paintData()
pointsFromData(values,points) ;
/* Plot the bandwidth data as area graphs */
if (_graphStyle == AreaGraph)
paintIntegral(points, RSDHT_COLOR, 0.6);
if (_flags & RSGRAPH_FLAGS_PAINT_STYLE_PLAIN)
paintIntegral(points, getColor(i), 0.6);
/* Plot the bandwidth as solid lines. If the graph style is currently an
* area graph, we end up outlining the integrals. */
paintLine(points, RSDHT_COLOR);
paintLine(points, getColor(i));
}
if(_maxValue > 0.0f)
if(_flags & RSGRAPH_FLAGS_LOG_SCALE_Y)
@ -403,7 +411,6 @@ QString RSGraphWidget::totalToStr(qreal total)
/** Paints the scale on the graph. */
void RSGraphWidget::paintScale()
{
qreal markStep = valueToPixels(_maxValue) * .25; // in pixels
int top = _rec.y();
int bottom = _rec.height();
qreal paintStep = (bottom - (bottom/10)) / 4;
@ -421,10 +428,10 @@ void RSGraphWidget::paintScale()
{
pos = bottom - (i * paintStep);
scale = pixelsToValue(i * markStep);
scale = pixelsToValue(i * paintStep);
_painter->setPen(SCALE_COLOR);
_painter->drawText(QPointF(5, pos+FONT_SIZE), tr("%1 %2").arg(scale, 0, 'f', 0).arg(unit_name));
_painter->drawText(QPointF(5, pos+0.5*FONT_SIZE), tr("%1 %2").arg(scale, 0, 'f', _precision_digits).arg(unit_name));
_painter->setPen(GRID_COLOR);
_painter->drawLine(QPointF(SCALE_WIDTH, pos), QPointF(_rec.width(), pos));
}