C++ DrawInfo::GetName方法代码示例

void XYDialog::OnDrawChange(wxCommandEvent &event) {
	DrawInfo **draw;
	wxButton *button;

	int i = event.GetId() - XY_XAXIS_BUTTON;
	draw = &m_di[i];

	button = wxDynamicCast(FindWindowById(event.GetId()), wxButton);

	if (m_draw_search->ShowModal() == wxID_CANCEL)
		return;
#ifdef __WXMSW__
	//hilarious...
	Raise();
#endif

	long previous = -1;
	DrawInfo *choosen = m_draw_search->GetDrawInfo(&previous);
	if (choosen == NULL)
		return;
	
	*draw = choosen;
	button->SetLabel(choosen->GetName());

}

void GCDCGraphs::DrawYAxisVals(wxGraphicsContext& dc) {
	Draw* draw = m_draws_wdg->GetSelectedDraw();
	if (draw == NULL) 
		return;
	DrawInfo *di = draw->GetDrawInfo();

	if (!di->IsValid())
		return;

	double min = di->GetMin();
	double max = di->GetMax();
	if( max <= min  ) {
		// FIXME:  Draw3 should atomaticly detect axes in that case, but
		//         it currently doesnt :(
		wxLogWarning(_T("Parameter %s has invalid min/max values: min %f, max %f. Min is set to 0, and max to 100."), di->GetName().c_str(), min, max);
		min = 0;
		max = 100;
	}

	//procedure for calculating distance between marks stolen from SzarpDraw2
	double x = max - min;
	double step;
	int i = 0;

	if (x < 1)
		for (;x < 1; x *=10, --i);
	else
		for (;(int)x / 10; x /=10, ++i);

	if (x <= 1.5)
		step = .1;
	else if (x <= 3.)
		step = .2;
	else if (x <= 7.5)
		step = .5;
	else
		step = 1.;

	double acc = 1;

	int prec = di->GetPrec();
				
	for (int p = prec; p > 0; --p)
		acc /= 10;

	double factor  = (i > 0) ? 10 : .1;

	for (;i; i -= i / abs(i))
		step *= factor;

	if (step < acc)
		step = acc;

    	dc.SetPen(wxPen(*wxWHITE, 1, wxSOLID));

	int w, h;
	GetClientSize(&w, &h);

	h -= m_screen_margins.bottommargin + m_screen_margins.topmargin;

	for (double val = max; (min - val) < acc; val -= step) {

		int y = GetY(val, di);

		dc.StrokeLine(m_screen_margins.leftmargin - 8, y, m_screen_margins.leftmargin, y);

		wxString sval = di->GetValueStr(val, _T("- -"));
		double textw, texth, textd, textel;
		dc.GetTextExtent(sval, &textw, &texth, &textd, &textel);
		dc.DrawText(sval, m_screen_margins.leftmargin - textw - 1, y + 2);
	}

}

//.........这里部分代码省略.........

					resize = true;
					continue;
				}
		
				if (!std::isnan(val) && !l->IsShown()) {
					SHOW(l, true);
					SHOW(li, true);

					resize = true;
		
					od->tooltip = true;
					m_tooltip = true;
				}
		
				od->update = false;
		
				if (l->IsShown() == false)
					continue;
		
				Draw* draw = od->draw;
				assert(draw);
				DrawInfo* info = draw->GetDrawInfo();
				assert(info);

				//convert unit, idea taken from draw2 :)
				wxString sunit = info->GetSumUnit();
				wxString unit = info->GetUnit();
				wxString text;
				if (!sunit.IsEmpty()) {
					text = wxString(info->GetValueStr(val, _T(""))) + _T(" ") + sunit;
				} else if (unit == _T("kW")) {
					text = wxString(info->GetValueStr(val, _T(""))) + _T(" ") + _T("kWh") + 
						_T(" (") + wxString(info->GetValueStr(val * 3.6 / 1000, _T(""))) + _T(" GJ)");
				} else if (unit == _T("MW")) {
					text = wxString(info->GetValueStr(val, _T(""))) + _T(" ") + _T("MWh") + 
						_T(" (") + wxString(info->GetValueStr(val * 3.6, _T(""))) + _T(" GJ)");
				} else if (unit.Replace(_T("/h"), _T("")) == 0) {
					unit += _T("*h");
					text = wxString(info->GetValueStr(val, _T(""))) + _T(" ") + unit;
				} else {
					text = wxString(info->GetValueStr(val, _T(""))) + _T(" ") + unit;
				}
		
				if (!std::isnan(data_percentage) && !(data_percentage > 0.9999))
					text += wxString::Format(_T(" (%.2f%%)"), data_percentage * 100);
		
				l->SetValueText(text);
		
				resize = true;

			}
			if (m_no_draws_label->IsShown()) {
				SHOW(m_no_draws_label, false);
				SHOW(m_no_draws_line, false);
			}
		}
	}

	if (m_tooltip) for (size_t i = 0; i < m_draws.Count(); ++i) {
		ObservedDraw* od = m_draws[i];
		if (od == NULL)
			continue;

		if (od->tooltip == false)
			continue;

		Draw* draw = od->draw;
		DrawInfo* info = draw->GetDrawInfo();

		wxString tooltip = _T("");
		tooltip += info->GetName();
		tooltip += _T("\n");

		PeriodType period = draw->GetPeriod();

		const Draw::VT& vt = draw->GetValuesTable();

		wxDateTime s = draw->GetTimeOfIndex(vt.m_stats.Start() - vt.m_view.Start());
		wxDateTime e = draw->GetTimeOfIndex(vt.m_stats.End() - vt.m_view.Start());

		tooltip += _("From:"); 
		tooltip += _T("\n") + FormatTime(s, period) + _T("\n") + _("To:") + _T("\n") + FormatTime(e, period);

		double data_percentage = od->draw->GetValuesTable().m_data_probes_ratio;
		if (std::isnan(data_percentage))
			data_percentage = 0;
		tooltip += _T("\n\n") + wxString::Format(_("Data contains %.2f%% probes from current period"), data_percentage * 100);

		m_labels[i]->SetToolTip(tooltip);

		od->tooltip = false;
	}

	if (resize) 
		Resize();

	m_update = m_tooltip = false;

}

//.........这里部分代码省略.........
		time += _("From: ");
		time += FormatTime(fd->GetTimeOfIndex(0), pt);
		time += _(" to: ");
		time += FormatTime(fd->GetTimeOfIndex(fd->GetValuesTable().size() - 1), pt);

		dc->GetTextExtent(time, &tw, &th);
		if (tw > w && f.GetPointSize() >= 2) {
			f.SetPointSize(f.GetPointSize() - 1);
			dc->SetFont(f);	
		} else {
			dc->DrawText(time, hw - tw / 2, maxy);
			maxy += int(1.4 * th);
			painted = true;
		}
	} while (!painted);

	f.SetPointSize(point_size) ;
	dc->SetFont(f);
	painted = false;
	bool painting = false;
	int pmaxy = maxy;
	do {
		for (int i = 0; i < m_draws_count; ++i) {
			Draw *d = m_draws[i];
			if (!d->GetEnable())
				continue;
	
			DrawInfo* di = d->GetDrawInfo();
	
			int cx = 0.02 * w;
	
			wxString str = wxString::Format(_T("%s = %s "), 
						di->GetShortName().c_str(),
						di->GetName().c_str());
	
			dc->SetTextForeground(di->GetDrawColor());
			dc->GetTextExtent(str, &tw, &th);
			if (painting)
				dc->DrawText(str, cx, maxy);
	
			cx += tw;
	
			const Draw::VT& vt = d->GetValuesTable();
			if (vt.m_count) {
				dc->SetTextForeground(*wxBLACK);
	
				wxString unit = di->GetUnit();
	
				str = wxString(_T(": ")) 
					+ _("min.=") + d->GetDrawInfo()->GetValueStr(vt.m_min, _T("- -")) + 
					+ _T(" ; ") + _("avg.=") + wxString(d->GetDrawInfo()->GetValueStr(vt.m_sum / vt.m_count, _T("- -"))) + 
					+ _T(" ; ") + _("max.=") + wxString(d->GetDrawInfo()->GetValueStr(vt.m_max, _T("- -"))) +
					+ _T(" ") + unit;
	
				if (painting) {
					dc->GetTextExtent(str, &tw, &th);
					dc->DrawText(str, cx, maxy);
				}
				cx += tw;
	
				if (di->GetSpecial() == TDraw::HOURSUM) {
					wxString u = unit;
					if (u.Replace(_T("/h"), _T("")) == 0)
						u += _T("*h");
					wxString vals;
					double val = vt.m_hsum;