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SDL_ImageResource.cpp

/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.

 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.

 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * $URL: https://scummvm.svn.sourceforge.net/svnroot/scummvm/scummvm/tags/release-1-2-1/backends/platform/wince/CEgui/SDL_ImageResource.cpp $
 * $Id: SDL_ImageResource.cpp 43043 2009-08-04 14:53:43Z knakos $
 *
 */

#include "SDL_ImageResource.h"

namespace CEGUI {

      SDL_ImageResource::SDL_ImageResource() :
            _surface(0)
      {
      }

      SDL_Surface* SDL_ImageResource::load(WORD resourceID) {
            HRSRC resource;
            HGLOBAL resourceGlobal;
            LPVOID resourcePointer;
            DWORD resourceSize;
            SDL_RWops *surfaceData;
            HMODULE moduleHandle;

            moduleHandle = GetModuleHandle(NULL);
            resource = FindResource(moduleHandle, MAKEINTRESOURCE(resourceID), TEXT("BINARY"));
            if (!resource)
                  return NULL;
            resourceSize = SizeofResource(moduleHandle, resource);
            if (!resourceSize)
                  return NULL;
            resourceGlobal = LoadResource(moduleHandle, resource);
            if (!resourceGlobal)
                  return NULL;
            resourcePointer = LockResource(resourceGlobal);
            if (!resourcePointer)
                  return NULL;

            surfaceData = SDL_RWFromMem(resourcePointer, resourceSize);
            if (!surfaceData)
                  return NULL;
            _surface = SDL_LoadBMP_RW(surfaceData, 1);

            return _surface;
      }

      SDL_Surface* SDL_ImageResource::get() {
            return _surface;
      }

      int SDL_ImageResource::height() {
            if (_surface)
                  return _surface->h;
            return 0;
      }

      int SDL_ImageResource::width() {
            if (_surface)
                  return _surface->w;
            return 0;
      }

      SDL_ImageResource::~SDL_ImageResource() {
            if (_surface)
                  SDL_FreeSurface(_surface);
      }
}

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