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//
// $Id: G4OpenGLFontBaseStore.cc,v 1.4 2009/01/19 16:53:42 lgarnier Exp $
// GEANT4 tag $Name:  $
//

#include "G4OpenGLFontBaseStore.hh"

std::map<G4VViewer*,std::vector<G4OpenGLFontBaseStore::FontInfo> >
G4OpenGLFontBaseStore::fFontBaseMap;

void G4OpenGLFontBaseStore::AddFontBase
(G4VViewer* viewer,G4int fontBase,
 G4double size, const G4String& fontName) {
  fFontBaseMap[viewer].push_back(FontInfo(fontName, size, fontBase));
}

G4int G4OpenGLFontBaseStore::GetFontBase(G4VViewer* viewer, G4double size) {
  G4int fontBase = -1;
  std::map<G4VViewer*,std::vector<FontInfo> >::const_iterator i;
  i = fFontBaseMap.find(viewer);
  if (i != fFontBaseMap.end()) {
    G4double sizeDiscrepancy = 9999.;
    std::vector<FontInfo>::const_iterator j, k;
    for (j = i->second.begin(); j != i->second.end(); ++j) {
      G4double d = std::abs(size - j->fSize);
      if (d < sizeDiscrepancy) {
	sizeDiscrepancy = d;
	k = j;
      }
    }
    fontBase = k->fFontBase;
  }
  return fontBase;
}