//
// Copyright (C) 1996 Ben Ross
//
// You may distribute under the terms of the GNU General Public
// License as specified in the COPYING file.
//

// $Id: XeFontTable.C,v 1.2 2001/08/01 11:22:25 ben Exp $

#include <XeFontTable.h>
#include <XeApp.h>

XeFontTable::~XeFontTable(void)
{
    __gnu_cxx::hash_map<std::string, XFontStruct*>::iterator iter = begin();
    
    while (iter != end()) {
	XFreeFont(gDisplay, iter->second);
	iter++;
    }
}

XFontStruct*
XeFontTable::getFont(const char* fontname)
{
    char** fonts;
    int count;
	
    fonts = XListFonts(gDisplay, fontname, 1, &count);
    if (!count) {
	XFreeFontNames(fonts);
	return NULL;
    }
    
    std::string availFont = fonts[0];
    __gnu_cxx::hash_map<std::string, XFontStruct*>::iterator existing = find(availFont);
    
    XFreeFontNames(fonts);
    
    if (existing != end()) { 
#if 0
std::cerr << "XeFontTable::getFont returning existing font: "
	  << availFont
	  << " (" << existing->second->fid << ")"
	  << std::endl;
#endif	
	return existing->second;
    }
	
    XFontStruct* theFont = NULL;

    theFont = XLoadQueryFont(gDisplay, availFont.c_str());
    if (!theFont) // Unable to load this font.
	return NULL;
    
    (*this)[availFont] = theFont;
    return theFont;
}