void
Operation::draw_title(const Glib::RefPtr<Gtk::PrintContext>& print)
{
double pos_x, pos_y;
Cairo::RefPtr<Cairo::Context> cairo = print->get_cairo_context();
DICOM::SummaryInfo* info = const_cast<DICOM::SummaryInfo*>(&dicom_info_);
DICOM::StudyInfo* study = info->get_study_info();
// Show Institution Name
cairo->set_font_size(title_font_size_);
Cairo::TextExtents cur_ext, prev_ext;
cairo->get_text_extents( study->get_institution_name(), cur_ext);
pos_x = (width_ - cur_ext.width) / 2.;
pos_y = cur_ext.height + OFFSET;
cairo->move_to( pos_x, pos_y);
cairo->show_text(study->get_institution_name());
// Show Institution Address
prev_ext = cur_ext;
cairo->set_font_size(subtitle_font_size_);
cairo->get_text_extents( study->get_institution_address(), cur_ext);
pos_x = -(prev_ext.width + prev_ext.x_bearing +
cur_ext.width + cur_ext.x_bearing) / 2.;
pos_y = cur_ext.height + OFFSET;
cairo->rel_move_to( pos_x, pos_y);
cairo->show_text(study->get_institution_address());
// Show Study Description
prev_ext = cur_ext;
cairo->set_font_size(title_font_size_);
cairo->get_text_extents( study->get_description(), cur_ext);
pos_x = -(prev_ext.width + prev_ext.x_bearing +
cur_ext.width + cur_ext.x_bearing) / 2.;
pos_y = cur_ext.height + OFFSET;
cairo->rel_move_to( pos_x, pos_y);
cairo->show_text(study->get_description());
pos_x = -(width_ + cur_ext.width) / 2.;
pos_y = cur_ext.height + OFFSET;
cairo->rel_move_to( pos_x, pos_y);
cairo->stroke_preserve();
}
void
Operation::draw_patient_info(const Glib::RefPtr<Gtk::PrintContext>& print)
{
Cairo::RefPtr<Cairo::Context> cairo = print->get_cairo_context();
Glib::RefPtr<Pango::Layout> layout = print->create_pango_layout();
Pango::FontDescription font_desc("sans 12");
layout->set_font_description(font_desc);
layout->set_width(width_ * Pango::SCALE);
DICOM::SummaryInfo* info = const_cast<DICOM::SummaryInfo*>(&dicom_info_);
DICOM::PatientInfo* patient = info->get_patient_info();
//Set and mark up the text to print:
Glib::ustring marked_up_form_text;
Glib::ustring txt = DICOM::format_person_name(patient->get_name());
marked_up_form_text += "<b>Patient's name</b>: " + txt + "\n";
marked_up_form_text += "<b>Sex</b>: " + info->get_patient_sex() + "\n";
DICOM::PatientAge age = info->get_patient_age();
marked_up_form_text += "<b>Age</b>: " + age.age_string() + "\n\n";
layout->set_markup(marked_up_form_text);
layout->show_in_cairo_context(cairo);
int w, h;
layout->get_pixel_size( w, h);
cairo->rel_move_to( 0, h);
cairo->stroke_preserve();
}
bool graphView::on_draw(const Cairo::RefPtr<Cairo::Context>& cr){
//Get the allocation of our widget, and get the height and width from it
Gtk::Allocation wAllocation = this->get_allocation();
const int wHeight = wAllocation.get_height();
const int wWidth = wAllocation.get_width();
const double lineWidth = wHeight;
//scale the Cario context obj to the current wHeight and wWidth
//cr->scale(wWidth, wHeight);
//now change the offset point coordinates, so point (0,0) will be at (0.5,0.5)
cr->translate(wWidth/2, wHeight/2);
//set the line width to 2 px, this should be a settings for each graph in the futur
cr->set_line_width(1);
//paint the background white
cr->set_source_rgb(1,1,1);
cr->paint();
//draw the coordinatesystem
cr->set_source_rgb(0,0,0);
cr->move_to(0,0);
cr->line_to(wWidth,0);
cr->move_to(0,0);
cr->line_to(0,wHeight);
cr->move_to(0,0);
cr->line_to(-1*wWidth,0);
cr->move_to(0,0);
cr->line_to(0,-1*wHeight);
//draw the axes unit, again this should't be hardcoded in the futur
cr->move_to(0,0);
for(int i = 1; i <= 25; i++)
{
cr->move_to((wWidth*0.5/25)*i,0);
cr->rel_move_to(0, -8);
cr->rel_line_to(0,16);
cr->rel_move_to(0, -8);
cr->move_to((wWidth*0.5/25)*-i,0);
cr->rel_move_to(0, -8);
cr->rel_line_to(0,16);
cr->rel_move_to(0, -8);
}
cr->move_to(0, 0);
for(int i = 1; i <= 25; i++)
{
cr->move_to(0,(wHeight*0.5/25)*i);
cr->rel_move_to(-8,0);
cr->rel_line_to(16,0);
cr->rel_move_to(-8,0);
cr->move_to(0,(wHeight*0.5/25)*-i);
cr->rel_move_to(-8,0);
cr->rel_line_to(16,0);
cr->rel_move_to(-8,0);
}
cr->stroke();
cr->set_source_rgb(0.8,0,0);
if(this->tree)
{
cr->set_line_width(3);
std::vector<equation*> eqs = this->tree->getEquations();
double pxWidth = wWidth/50;
double pxHeight = wHeight/50;
for(int i = 0; i < eqs.size(); i++){
equation *eq = eqs[i];
for(double x = -25; x<= 25; x+= 0.01)
{
double y = eq->getYFromX(x);
cr->move_to(x*pxWidth,-1*(y*pxHeight));
cr->rel_line_to(1,1);
}
cr->stroke();
}
}
return true;
}
