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(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++;
}
}
void toLegendChart::paintEvent(QPaintEvent *)
{
int height, items;
std::list<int> widths = sizeHint(height, items);
int width = 4;
{
for (std::list<int>::iterator i = widths.begin(); i != widths.end(); i++)
width += (*i) + 12;
}
QPainter p(this);
QFontMetrics fm = fontMetrics();
if (!Title.isEmpty())
{
p.save();
QFont f = p.font();
f.setBold(true);
p.setFont(f);
QRect bounds = fm.boundingRect(0, 0,
toLegendChart::width(),
toLegendChart::height(), FONT_ALIGN, Title);
p.drawText(0, 2,
toLegendChart::width() - 4,
toLegendChart::height(), Qt::AlignHCenter | Qt::AlignTop, Title);
p.restore();
p.translate(0, bounds.height() + 2);
}
int cx = 2;
int cy = 4;
p.save();
p.setBrush(Qt::white);
p.drawRect(2, 2, width, height + 4);
p.restore();
int cur = 0;
std::list<int>::iterator j = widths.begin();
int cp = 0;
for (std::list<QString>::iterator i = Labels.begin(); i != Labels.end(); i++)
{
if (!(*i).isEmpty() && *i != " ")
{
if (cur == items)
{
cx += *j + 12;
cy = 4;
cur = 0;
j++;
}
QRect bounds = fm.boundingRect(cx + 12, cy, 100000, 100000, FONT_ALIGN, *i);
p.drawText(bounds, FONT_ALIGN, *i);
p.save();
QBrush brush(toChartBrush(cp));
p.setBrush(brush.color());
p.drawRect(cx + 2, cy + bounds.height() / 2 - fm.ascent() / 2, 8, fm.ascent());
if (brush.style() != Qt::SolidPattern)
{
p.setBrush(QBrush(Qt::white, brush.style()));
p.drawRect(cx + 2, cy + bounds.height() / 2 - fm.ascent() / 2, 8, fm.ascent());
}
p.restore();
cy += bounds.height();
cur++;
}
cp++;
}
}
