Method OnDraw

TemplateLegend.cpp:453–532

}

void TemplateLegend::OnDraw(wxDC& dc)
{
	if (!template_canvas)
        return;
    
    dc.SetTextForeground(*wxBLACK);

    wxPen bg_pen(legend_background_color);
    dc.SetPen(bg_pen);
    wxBrush bg_brush(legend_background_color);
    dc.SetBrush(bg_brush);
    wxSize sz = this->GetSize();
    dc.DrawRectangle(0, 0, sz.GetWidth(), sz.GetHeight());
    
    dc.SetFont(*GdaConst::small_font);
    wxString title = template_canvas->GetCategoriesTitle();
    dc.DrawText(title, px, 13);
    
    wxString save_png_ttl = template_canvas->GetVariableNames();
    wxSize title_sz = dc.GetTextExtent(save_png_ttl);

    title_width = title_sz.GetWidth();
    title_height = title_sz.GetHeight();
	
	int time = template_canvas->cat_data.GetCurrentCanvasTmStep();
    int cur_y = py;
	int numRect = template_canvas->cat_data.GetNumCategories(time);
	
    dc.SetPen(*wxBLACK_PEN);
    
    // init labels
    if (recreate_labels || labels.size() != numRect) {
        for (int i=0; i<labels.size(); i++){
            delete labels[i];
        }
        labels.clear();
        
        new_order.clear();
        
        int init_y = py;
        for (int i=0; i<numRect; i++) {
            wxString lbl = template_canvas->cat_data.GetCatLblWithCnt(time, i);
            wxPoint pt( px + m_l + 10, init_y - (m_w / 2));
            wxSize sz = dc.GetTextExtent(lbl);
            labels.push_back(new GdaLegendLabel(i, lbl, pt, sz));
            //init_y += d_rect;
            
            new_order.push_back(i);
        }
        
        recreate_labels = false;
    }
    
	for (int i=0; i<numRect; i++) {
        wxColour brush_clr = template_canvas->cat_data.GetCategoryBrushColor(time, i);
        wxColour pen_clr = template_canvas->cat_data.GetCategoryPenColor(time, i);
        if (brush_clr.IsOk())
            dc.SetBrush(brush_clr);