vcl/source/app/brand.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <config_folders.h>
  21
  22 #include <rtl/ustring.hxx>
  23 #include <rtl/bootstrap.hxx>
  24 #include <osl/process.h>
  25 #include <tools/urlobj.hxx>
  26 #include <tools/stream.hxx>
  27 #include <vcl/pngread.hxx>
  28 #include <vcl/svapp.hxx>
  29 #include <vcl/svgdata.hxx>
  30
  31 namespace {
  32     static bool loadPng( const OUString & rPath, BitmapEx &rBitmap)
  33     {
  34         INetURLObject aObj( rPath );
  35         SvFileStream aStrm( aObj.PathToFileName(), STREAM_STD_READ );
  36         if ( !aStrm.GetError() ) {
  37             vcl::PNGReader aReader( aStrm );
  38             rBitmap = aReader.Read();
  39             return !rBitmap.IsEmpty();
  40         }
  41         else
  42             return false;
  43     }
  44     static bool tryLoadPng( const OUString& rBaseDir, const OUString& rName, BitmapEx& rBitmap )
  45     {
  46         return loadPng( rBaseDir + "/" LIBO_ETC_FOLDER + rName, rBitmap);
  47     }
  48 }
  49
  50 bool Application::LoadBrandBitmap (const char* pName, BitmapEx &rBitmap)
  51 {
  52     // TODO - if we want more flexibility we could add a branding path
  53     // in an rc file perhaps fallback to "about.bmp"
  54     OUString aBaseDir( "$BRAND_BASE_DIR");
  55     rtl::Bootstrap::expandMacros( aBaseDir );
  56     OUString aBaseName( "/" + OUString::createFromAscii( pName ) );
  57     OUString aPng( ".png" );
  58
  59     rtl_Locale *pLoc = NULL;
  60     osl_getProcessLocale (&pLoc);
  61     LanguageTag aLanguageTag( *pLoc);
  62
  63     ::std::vector< OUString > aFallbacks( aLanguageTag.getFallbackStrings( true));
  64     for (size_t i=0; i < aFallbacks.size(); ++i)
  65     {
  66         if (tryLoadPng( aBaseDir, aBaseName + "-" + aFallbacks[i] + aPng, rBitmap))
  67             return true;
  68     }
  69
  70     if (tryLoadPng( aBaseDir, aBaseName + aPng, rBitmap))
  71         return true;
  72
  73     return false;
  74 }
  75
  76 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */