/** Overloads default QWidget::paintEvent. Draws the actual
* bandwidth graph. */
void RSGraphWidget::paintEvent(QPaintEvent *)
{
//std::cerr << "In paint event!" << std::endl;
/* Set current graph dimensions */
_rec = this->frameRect();
/* Start the painter */
_painter->begin(this);
/* We want antialiased lines and text */
_painter->setRenderHint(QPainter::Antialiasing);
_painter->setRenderHint(QPainter::TextAntialiasing);
/* Fill in the background */
_painter->fillRect(_rec, QBrush(BACK_COLOR));
_painter->drawRect(_rec);
/* Paint the scale */
paintScale1();
/* Plot the rsDHT/allDHT data */
paintData();
/* Paint the rsDHT/allDHT totals */
paintTotals();
// part of the scale that needs to write over the data curves.
paintScale2();
if(_flags & RSGRAPH_FLAGS_SHOW_LEGEND)
paintLegend() ;
/* Stop the painter */
_painter->end();
}
void Legend::paintLegend(QPaintDevice *pd, LEGEND_TYPE type, LEGEND_POSITION pos)
{
LEGEND_TYPE prevType = m_Type;
LEGEND_POSITION prevPos = m_Position;
m_Type = type;
m_Position = pos;
paintLegend(pd);
m_Type = prevType;
m_Position = prevPos;
}
void Legend::paintLegend(SkyQPainter *painter, LEGEND_TYPE type, LEGEND_POSITION pos)
{
LEGEND_TYPE prevType = m_Type;
LEGEND_POSITION prevPos = m_Position;
m_Type = type;
m_Position = pos;
paintLegend(painter);
m_Type = prevType;
m_Position = prevPos;
}
void Legend::paintLegend(QPaintDevice *pd)
{
if(m_Painter)
{
delete m_Painter;
}
m_Painter = new SkyQPainter(m_SkyMap, pd);
m_DeletePainter = true;
m_Painter->begin();
paintLegend(m_Painter);
m_Painter->end();
}
void toBarChart::paintChart(QPainter *p, QRect &rect)
{
QFontMetrics fm = p->fontMetrics();
if (!Zooming)
{
if (MinAuto)
{
bool first = true;
std::list<std::list<double> >::reverse_iterator i = Values.rbegin();
if (i != Values.rend())
{
for (std::list<double>::iterator j = (*i).begin(); j != (*i).end(); j++)
{
if (first)
{
first = false;
zMinValue = *j;
}
else if (zMinValue > *j)
zMinValue = *j;
}
}
}
if (MaxAuto)
{
bool first = true;
std::list<double> total;
std::list<bool>::iterator e = Enabled.begin();
{
for (std::list<std::list<double> >::iterator i = Values.begin(); i != Values.end(); i++)
{
std::list<double>::iterator k = total.begin();
if (e == Enabled.end() || *e)
{
for (std::list<double>::iterator j = (*i).begin(); j != (*i).end(); j++)
{
if (k == total.end())
{
total.insert(total.end(), *j);
k = total.end();
}
else
{
*k += *j;
k++;
}
}
}
if (e != Enabled.end())
e++;
}
}
for (std::list<double>::iterator i = total.begin(); i != total.end(); i++)
{
if (first)
{
first = false;
zMaxValue = *i;
}
else if (zMaxValue < *i)
zMaxValue = *i;
}
}
if (!MinAuto)
zMinValue = MinValue;
else
{
zMinValue = round(zMinValue, false);
MinValue = zMinValue;
}
if (!MaxAuto)
zMaxValue = MaxValue;
else
{
zMaxValue = round(zMaxValue, true);
MaxValue = zMaxValue;
}
}
paintTitle(p, rect);
paintLegend(p, rect);
paintAxis(p, rect);
std::list<QPolygon> Points;
int cp = 0;
int samples = countSamples();
int zeroy = int(rect.height() - 2 - ( -zMinValue / (zMaxValue - zMinValue) * (rect.height() - 4)));
if (samples > 1)
{
const QMatrix &mtx = p->worldMatrix();
p->setClipRect(int(mtx.dx() + 2), int(mtx.dy() + 2), rect.width() - 3, rect.height() - 3);
if (Zooming)
p->drawText(2, 2, rect.width() - 4, rect.height() - 4,
Qt::AlignLeft | Qt::AlignTop, tr("Zoom"));
std::list<bool>::reverse_iterator e = Enabled.rbegin();
for (std::list<std::list<double> >::reverse_iterator i = Values.rbegin(); i != Values.rend(); i++)
{
if (e == Enabled.rend() || *e)
{
std::list<double> &val = *i;
int count = 0;
int skip = SkipSamples;
QPolygon a(samples + 10);
int x = rect.width() - 2;
for (std::list<double>::reverse_iterator j = val.rbegin(); j != val.rend() && x >=
2;
j++)
{
if (skip > 0)
skip--;
else
{
int val = int(rect.height() - 2 - ((*j - zMinValue) / (zMaxValue - zMinValue) * (rect.height() - 4)));
x = rect.width() - 2 - count * (rect.width() - 4) / (samples - 1);
a.setPoint(count, x, val);
count++;
if (count >= samples)
break;
}
}
a.resize(count * 2);
Points.insert(Points.end(), a);
}
cp++;
if (e != Enabled.rend())
e++;
}
}
std::map<int, int> Bottom;
std::list<bool>::reverse_iterator e = Enabled.rbegin();
for (std::list<QPolygon>::iterator i = Points.begin(); i != Points.end();)
{
while (e != Enabled.rend() && !*e)
{
cp--;
e++;
}
if (e != Enabled.rend())
e++;
cp--;
QPolygon a = *i;
int lx = 0;
int lb = 0;
for (int j = 0; j < a.size() / 2; j++)
{
int x, y;
a.point(j, &x, &y);
if (Bottom.find(x) == Bottom.end())
Bottom[x] = 0;
if (lx != x)
lb = Bottom[x];
a.setPoint(a.size() - 1 - j, x, zeroy - lb);
y -= lb;
a.setPoint(j, x, y);
Bottom[x] = zeroy - y;
lx = x;
}
p->save();
QBrush brush(Utils::toChartBrush(cp));
p->setBrush(brush.color());
p->drawPolygon(a);
if (brush.style() != Qt::SolidPattern)
{
p->setBrush(QBrush(Qt::white, brush.style()));
p->drawPolygon(a);
}
p->restore();
i++;
}
}
