/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ----- BEGIN LICENSE BLOCK -----
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License
 * Version 1.1 (the "License"); you may not use this file except in
 * compliance with the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is the Mozilla SVG project.
 *
 * The Initial Developer of the Original Code is 
 * Crocodile Clips Ltd..
 * Portions created by the Initial Developer are Copyright (C) 2003
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *    Alex Fritze <alex.fritze@crocodile-clips.com> (original author)
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or 
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the NPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ----- END LICENSE BLOCK ----- */

#include "nsSVGLibartFreetype.h"
#include "nsIServiceManager.h"
#include "nsArray.h"
#include "nsString.h"

nsCOMPtr<nsIFreeType2> nsSVGLibartFreetype::ft2;
nsCOMPtr<nsIFontCatalogService> nsSVGLibartFreetype::fontCatalog;

PRBool nsSVGLibartFreetype::Init()
{
  NS_ASSERTION(!ft2, "ft2 already initialized");
  ft2 = do_GetService(NS_FREETYPE2_CONTRACTID);
  if (!ft2) return PR_FALSE;
  
  fontCatalog = do_GetService("@mozilla.org/gfx/xfontcatalogservice;1");
  if (!fontCatalog) {
    NS_ERROR("Font catalog initialization failure");
    ft2 = nsnull;
    return PR_FALSE;
  }
  
  return PR_TRUE;
}

void nsSVGLibartFreetype::Shutdown()
{
  NS_ASSERTION(ft2, "ft2 never initialized");
  ft2 = nsnull;
  fontCatalog = nsnull;
}

PRBool nsSVGLibartFreetype::HasSuitableFonts()
{
  NS_ASSERTION(fontCatalog, "freetype not initialized");
  
  nsCOMPtr<nsIArray> arr;
  nsCAutoString empty;
  fontCatalog->GetFontCatalogEntries(empty, empty,
                                     nsIFontCatalogService::kFCWeightAny,
                                     nsIFontCatalogService::kFCWidthAny,
                                     nsIFontCatalogService::kFCSlantAny,
                                     nsIFontCatalogService::kFCSpacingAny,
                                     getter_AddRefs(arr));
  PRUint32 count;
  arr->GetLength(&count);
#ifdef DEBUG
  {
    printf("Freetype Families available:\n");
    for (PRUint32 i=0;i<count;++i) {
      nsCOMPtr<nsITrueTypeFontCatalogEntry> font = do_QueryElementAt(arr, i);
      nsCAutoString family, style, vendor;
      font->GetFamilyName(family);
      font->GetStyleName(style);
      font->GetVendorID(vendor);
      printf("* %s, %s, %s\n", family.get(), style.get(), vendor.get());
    }    
  }
#endif
  return (count!=0);
}
