void TrafficGraphWidget::paintEvent(QPaintEvent *)
{
QPainter painter(this);
painter.fillRect(rect(), Qt::black);
if(fMax <= 0.0f) return;
QColor axisCol(Qt::gray);
int h = height() - YMARGIN * 2;
painter.setPen(axisCol);
painter.drawLine(XMARGIN, YMARGIN + h, width() - XMARGIN, YMARGIN + h);
// decide what order of magnitude we are
int base = floor(log10(fMax));
float val = pow(10.0f, base);
const QString units = tr("KB/s");
const float yMarginText = 2.0;
// draw lines
painter.setPen(axisCol);
painter.drawText(XMARGIN, YMARGIN + h - h * val / fMax-yMarginText, QString("%1 %2").arg(val).arg(units));
for(float y = val; y < fMax; y += val) {
int yy = YMARGIN + h - h * y / fMax;
painter.drawLine(XMARGIN, yy, width() - XMARGIN, yy);
}
// if we drew 3 or fewer lines, break them up at the next lower order of magnitude
if(fMax / val <= 3.0f) {
axisCol = axisCol.darker();
val = pow(10.0f, base - 1);
painter.setPen(axisCol);
painter.drawText(XMARGIN, YMARGIN + h - h * val / fMax-yMarginText, QString("%1 %2").arg(val).arg(units));
int count = 1;
for(float y = val; y < fMax; y += val, count++) {
// don't overwrite lines drawn above
if(count % 10 == 0)
continue;
int yy = YMARGIN + h - h * y / fMax;
painter.drawLine(XMARGIN, yy, width() - XMARGIN, yy);
}
}
if(!vSamplesIn.empty()) {
QPainterPath p;
paintPath(p, vSamplesIn);
painter.fillPath(p, QColor(0, 255, 0, 128));
painter.setPen(Qt::green);
painter.drawPath(p);
}
if(!vSamplesOut.empty()) {
QPainterPath p;
paintPath(p, vSamplesOut);
painter.fillPath(p, QColor(255, 0, 0, 128));
painter.setPen(Qt::red);
painter.drawPath(p);
}
}
void WPdfImage::drawPath(const WPainterPath& path)
{
if (path.isEmpty())
return;
drawPlainPath(path);
paintPath();
}
void KoCreatePathTool::paint(QPainter &painter, const KoViewConverter &converter)
{
Q_D(KoCreatePathTool);
if (pathStarted()) {
KoShapeStroke *stroke(createStroke());
if (stroke) {
d->shape->setStroke(stroke);
}
painter.save();
paintPath(*(d->shape), painter, converter);
painter.restore();
painter.save();
painter.setTransform(d->shape->absoluteTransformation(&converter) * painter.transform());
KoShape::applyConversion(painter, converter);
painter.setPen(QPen(Qt::blue, 0));
painter.setBrush(Qt::white); //TODO make configurable
const bool firstPoint = (d->firstPoint == d->activePoint);
if (d->pointIsDragged || firstPoint) {
const bool onlyPaintActivePoints = false;
KoPathPoint::PointTypes paintFlags = KoPathPoint::ControlPoint2;
if (d->activePoint->activeControlPoint1())
paintFlags |= KoPathPoint::ControlPoint1;
d->activePoint->paint(painter, d->handleRadius, paintFlags, onlyPaintActivePoints);
}
// check if we have to color the first point
if (d->mouseOverFirstPoint)
painter.setBrush(Qt::red); //TODO make configurable
else
painter.setBrush(Qt::white); //TODO make configurable
d->firstPoint->paint(painter, d->handleRadius, KoPathPoint::Node);
painter.restore();
}
if (d->hoveredPoint) {
painter.save();
painter.setTransform(d->hoveredPoint->parent()->absoluteTransformation(&converter), true);
KoShape::applyConversion(painter, converter);
painter.setPen(QPen(Qt::blue, 0));
painter.setBrush(Qt::white); //TODO make configurable
d->hoveredPoint->paint(painter, d->handleRadius, KoPathPoint::Node);
painter.restore();
}
painter.save();
KoShape::applyConversion(painter, converter);
canvas()->snapGuide()->paint(painter, converter);
painter.restore();
}
void WPdfImage::drawArc(const WRectF& rect, double startAngle, double spanAngle)
{
HPDF_Page_GSave(page_);
HPDF_Page_Concat(page_, 1, 0, 0, rect.height() / rect.width(),
rect.center().x(), rect.center().y());
double start = startAngle;
double end = start + spanAngle;
if (end < start)
std::swap(start, end);
HPDF_Page_Arc(page_, 0, 0, rect.width()/1, start + 90, end + 90);
paintPath();
HPDF_Page_GRestore(page_);
}
void TrafficGraphWidget::paintEvent(QPaintEvent *)
{
QPainter painter(this);
painter.fillRect(rect(), Qt::black);
if(fMax <= 0.0f) return;
QColor axisCol(Qt::gray);
QColor axisCol2;
int h = height() - YMARGIN * 2;
painter.setPen(axisCol);
painter.drawLine(XMARGIN, YMARGIN + h, width() - XMARGIN, YMARGIN + h);
// decide what order of magnitude we are
int base = floor(log10(fMax));
float val = pow(10.0f, base);
float val2;
const QString units = tr("KB/s");
const float yMarginText = 2.0;
// draw lines
painter.setPen(axisCol);
for(float y = val; y < fMax; y += val) {
int yy = YMARGIN + h - h * y / fMax;
painter.drawLine(XMARGIN, yy, width() - XMARGIN, yy);
}
// if we drew 3 or fewer lines, break them up at the next lower order of magnitude
if(fMax / val <= 3.0f) {
axisCol2 = axisCol.darker();
val2 = pow(10.0f, base - 1);
painter.setPen(axisCol2);
int count = 1;
for(float y = val2; y < fMax; y += val2, count++) {
// don't overwrite lines drawn above
if(count % 10 == 0)
continue;
int yy = YMARGIN + h - h * y / fMax;
painter.drawLine(XMARGIN, yy, width() - XMARGIN, yy);
}
}
const TrafficGraphData::SampleQueue& queue = trafficGraphData.getCurrentRangeQueueWithAverageBandwidth();
if(!queue.empty()) {
QPainterPath pIn;
paintPath(pIn, queue, boost::bind(chooseIn,_1));
painter.fillPath(pIn, QColor(0, 255, 0, 128));
painter.setPen(Qt::green);
painter.drawPath(pIn);
QPainterPath pOut;
paintPath(pOut, queue, boost::bind(chooseOut,_1));
painter.fillPath(pOut, QColor(255, 0, 0, 128));
painter.setPen(Qt::red);
painter.drawPath(pOut);
}
// draw text on top of everything else
QRect textRect = painter.boundingRect(QRect(XMARGIN, YMARGIN + h - (h * val / fMax) - yMarginText, 0, 0), Qt::AlignLeft, QString("%1 %2").arg(val).arg(units));
textRect.translate(0, -textRect.height());
painter.fillRect(textRect, Qt::black);
painter.setPen(axisCol);
painter.drawText(textRect, Qt::AlignLeft, QString("%1 %2").arg(val).arg(units));
if(fMax / val <= 3.0f) {
QRect textRect2 = painter.boundingRect(QRect(XMARGIN, YMARGIN + h - (h * val2 / fMax) - yMarginText, 0, 0), Qt::AlignLeft, QString("%1 %2").arg(val2).arg(units));
textRect2.translate(0, -textRect2.height());
painter.fillRect(textRect2, Qt::black);
painter.setPen(axisCol2);
painter.drawText(textRect2, Qt::AlignLeft, QString("%1 %2").arg(val2).arg(units));
}
}
void WPdfImage::drawPath(const WPainterPath& path)
{
drawPlainPath(path);
paintPath();
}