src/ResourceLoader.cpp

   1 /*
   2 Copyright_License {
   3
   4   XCSoar Glide Computer - http://www.xcsoar.org/
   5   Copyright (C) 2000-2013 The XCSoar Project
   6   A detailed list of copyright holders can be found in the file "AUTHORS".
   7
   8   This program is free software; you can redistribute it and/or
   9   modify it under the terms of the GNU General Public License
  10   as published by the Free Software Foundation; either version 2
  11   of the License, or (at your option) any later version.
  12
  13   This program is distributed in the hope that it will be useful,
  14   but WITHOUT ANY WARRANTY; without even the implied warranty of
  15   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16   GNU General Public License for more details.
  17
  18   You should have received a copy of the GNU General Public License
  19   along with this program; if not, write to the Free Software
  20   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  21 }
  22 */
  23
  24 #include "ResourceLoader.hpp"
  25
  26 #include <assert.h>
  27
  28 #ifdef WIN32
  29
  30 #include <windows.h>
  31
  32 static HINSTANCE ResourceLoaderInstance;
  33
  34 void
  35 ResourceLoader::Init(HINSTANCE hInstance)
  36 {
  37   assert(ResourceLoaderInstance == NULL);
  38
  39   ResourceLoaderInstance = hInstance;
  40 }
  41
  42 #else /* !WIN32 */
  43
  44 #include "resource_data.h"
  45
  46 #include <string.h>
  47
  48 #endif /* !WIN32 */
  49
  50 ResourceLoader::Data
  51 ResourceLoader::Load(const TCHAR *name, const TCHAR *type)
  52 {
  53 #ifdef WIN32
  54   assert(ResourceLoaderInstance != NULL);
  55
  56   HRSRC resource = ::FindResource(ResourceLoaderInstance, name, type);
  57   if (resource == NULL)
  58     return Data((const void *)NULL, 0);
  59
  60   DWORD size = ::SizeofResource(ResourceLoaderInstance, resource);
  61   if (size == 0)
  62     return Data((const void *)NULL, 0);
  63
  64   HGLOBAL handle = ::LoadResource(ResourceLoaderInstance, resource);
  65   if (handle == NULL)
  66     return Data((const void *)NULL, 0);
  67
  68   LPVOID data = LockResource(handle);
  69   if (data == NULL)
  70     return Data((const void *)NULL, 0);
  71
  72   return std::pair<const void *, size_t>(data, size);
  73 #else
  74
  75   for (unsigned i = 0; named_resources[i].data != NULL; ++i)
  76     if (_tcscmp(named_resources[i].name, name) == 0)
  77       return Data(named_resources[i].data, named_resources[i].size);
  78
  79   return Data((const void *)NULL, 0);
  80 #endif
  81 }
  82
  83 ResourceLoader::Data
  84 ResourceLoader::Load(unsigned id)
  85 {
  86 #ifdef WIN32
  87   return Load(MAKEINTRESOURCE(id), RT_BITMAP);
  88 #else
  89
  90   for (unsigned i = 0; numeric_resources[i].data != NULL; ++i)
  91     if (numeric_resources[i].id == id)
  92       return Data(numeric_resources[i].data, numeric_resources[i].size);
  93
  94   return Data((const void *)NULL, 0);
  95 #endif
  96 }
  97
  98 #ifdef WIN32
  99 HBITMAP
 100 ResourceLoader::LoadBitmap2(unsigned id)
 101 {
 102   return ::LoadBitmap(ResourceLoaderInstance, MAKEINTRESOURCE(id));
 103 }
 104 #endif
 105
 106 #ifdef HAVE_AYGSHELL_DLL
 107 #include "OS/AYGShellDLL.hpp"
 108
 109 HBITMAP
 110 ResourceLoader::SHLoadImageResource(unsigned id)
 111 {
 112   const AYGShellDLL ayg_shell_dll;
 113   return ayg_shell_dll.SHLoadImageResource(ResourceLoaderInstance, id);
 114 }
 115 #endif