std::string Grid::saveToString() {
TSVSerialiser tsv;
tsv.writeLine("grid");
tsv << xEnabled() << xMinEnabled();
tsv << yEnabled() << yMinEnabled();
tsv << majPenX().color().name();
tsv << majPenX().style() - 1;
tsv << majPenX().widthF();
tsv << minPenX().color().name();
tsv << minPenX().style() - 1;
tsv << minPenX().widthF();
tsv << majPenY().color().name();
tsv << majPenY().style() - 1;
tsv << majPenY().widthF();
tsv << minPenY().color().name();
tsv << minPenY().style() - 1;
tsv << minPenY().widthF();
tsv << xZeroLineEnabled() << yZeroLineEnabled();
tsv << xAxis() << yAxis();
tsv << testRenderHint(QwtPlotItem::RenderAntialiased);
return tsv.outputLines();
}
QString Grid::saveToString()
{
QString s = "grid\t";
s += QString::number(xEnabled())+"\t";
s += QString::number(xMinEnabled())+"\t";
s += QString::number(yEnabled())+"\t";
s += QString::number(yMinEnabled())+"\t";
s += majPenX().color().name()+"\t";
s += QString::number(majPenX().style() - 1)+"\t";
s += QString::number(majPenX().widthF())+"\t";
s += minPenX().color().name()+"\t";
s += QString::number(minPenX().style() - 1)+"\t";
s += QString::number(minPenX().widthF())+"\t";
s += majPenY().color().name()+"\t";
s += QString::number(majPenY().style() - 1)+"\t";
s += QString::number(majPenY().widthF())+"\t";
s += minPenY().color().name()+"\t";
s += QString::number(minPenY().style() - 1)+"\t";
s += QString::number(minPenY().widthF())+"\t";
s += QString::number(xZeroLineEnabled())+"\t";
s += QString::number(yZeroLineEnabled())+"\t";
s += QString::number(xAxis())+"\t";
s += QString::number(yAxis())+"\t";
s += QString::number(testRenderHint(QwtPlotItem::RenderAntialiased))+"\n";
return s;
}
/*!
\brief Draw the grid
The grid is drawn into the bounding rectangle such that
gridlines begin and end at the rectangle's borders. The X and Y
maps are used to map the scale divisions into the drawing region
screen.
\param painter Painter
\param mx X axis map
\param my Y axis
\param r Contents rect of the plot canvas
*/
void Grid::draw(QPainter *painter,
const QwtScaleMap &mx, const QwtScaleMap &my,
const QRect &r) const
{
double x_factor = (double)painter->device()->logicalDpiX()/(double)plot()->logicalDpiX();
double y_factor = (double)painter->device()->logicalDpiY()/(double)plot()->logicalDpiY();
// draw minor X gridlines
QPen pen = minPen();
pen.setWidthF(pen.widthF() * x_factor);
painter->setPen(pen);
if (xMinEnabled()){
drawLines(painter, r, Qt::Vertical, mx,
xScaleDiv().ticks(QwtScaleDiv::MinorTick));
drawLines(painter, r, Qt::Vertical, mx,
xScaleDiv().ticks(QwtScaleDiv::MediumTick));
}
// draw minor Y gridlines
pen = d_min_pen_y;
pen.setWidthF(pen.widthF() * y_factor);
painter->setPen(pen);
if (yMinEnabled()){
drawLines(painter, r, Qt::Horizontal, my,
yScaleDiv().ticks(QwtScaleDiv::MinorTick));
drawLines(painter, r, Qt::Horizontal, my,
yScaleDiv().ticks(QwtScaleDiv::MediumTick));
}
// draw major X gridlines
pen = majPen();
pen.setWidthF(pen.widthF() * x_factor);
painter->setPen(pen);
if (xEnabled()){
drawLines(painter, r, Qt::Vertical, mx,
xScaleDiv().ticks (QwtScaleDiv::MajorTick));
}
// draw major Y gridlines
pen = d_maj_pen_y;
pen.setWidthF(pen.widthF() * y_factor);
painter->setPen(pen);
if (yEnabled()){
drawLines(painter, r, Qt::Horizontal, my,
yScaleDiv().ticks (QwtScaleDiv::MajorTick));
}
}
/*!
\brief Draw the grid
The grid is drawn into the bounding rectangle such that
gridlines begin and end at the rectangle's borders. The X and Y
maps are used to map the scale divisions into the drawing region
screen.
\param painter Painter
\param mx X axis map
\param my Y axis
\param r Contents rect of the plot canvas
*/
void Grid::draw(QPainter *painter,
const QwtScaleMap &mx, const QwtScaleMap &my,
const QRect &r) const
{
// draw minor X gridlines
painter->setPen(minPen());
if (xMinEnabled()) {
drawLines(painter, r, Qt::Vertical, mx,
xScaleDiv().ticks(QwtScaleDiv::MinorTick));
drawLines(painter, r, Qt::Vertical, mx,
xScaleDiv().ticks(QwtScaleDiv::MediumTick));
}
// draw minor Y gridlines
painter->setPen(d_min_pen_y);
if (yMinEnabled()) {
drawLines(painter, r, Qt::Horizontal, my,
yScaleDiv().ticks(QwtScaleDiv::MinorTick));
drawLines(painter, r, Qt::Horizontal, my,
yScaleDiv().ticks(QwtScaleDiv::MediumTick));
}
// draw major X gridlines
painter->setPen(majPen());
if (xEnabled()) {
drawLines(painter, r, Qt::Vertical, mx,
xScaleDiv().ticks (QwtScaleDiv::MajorTick));
}
// draw major Y gridlines
painter->setPen(d_maj_pen_y);
if (yEnabled()) {
drawLines(painter, r, Qt::Horizontal, my,
yScaleDiv().ticks (QwtScaleDiv::MajorTick));
}
}
