crapload egf

SDL_Surface *Video::LoadImageResource(std::string resname,unsigned int resid)
{
    SDL_Surface* temp_bmp = nullptr;
    BITMAP bm;

    HMODULE module = LoadLibrary( resname.c_str() );
    if(!module) return temp_bmp = nullptr;

    HBITMAP bitmap = LoadBitmap( module, MAKEINTRESOURCE( resid ) );
    if (!bitmap)
    {
        FreeLibrary(module);
        return temp_bmp = nullptr;
    }

    if (!GetObject( bitmap, sizeof( bm ), reinterpret_cast<LPSTR>( &bm ) ) )
    {
        DeleteObject(bitmap);
        FreeLibrary(module);
        return temp_bmp = nullptr;
    }

    temp_bmp = SDL_CreateRGBSurface(SDL_SWSURFACE, bm.bmWidth, bm.bmHeight , 32, 0, 0, 0, 0);
    if (!temp_bmp)
    {
        DeleteObject(bitmap);
        FreeLibrary(module);
        return temp_bmp = nullptr;
    }

    SDL_LockSurface(temp_bmp);
    BYTE *data = reinterpret_cast<BYTE *>(temp_bmp->pixels);
    int pitch = bm.bmWidth * temp_bmp->format->BytesPerPixel;
    pitch = (pitch + 3 ) & ~3;

    BYTE *pixels = new BYTE[bm.bmHeight * pitch];

    BITMAPINFOHEADER bi;
    ZeroMemory(&bi, sizeof(BITMAPINFOHEADER));
    bi.biSize = sizeof(BITMAPINFOHEADER);
    bi.biBitCount = 32; //need to get actuall bitcount
    bi.biPlanes = 1;
    bi.biWidth = bm.bmWidth;
    bi.biHeight = -abs( bm.bmHeight );
    bi.biClrUsed = 256;
    bi.biCompression = BI_RGB;

    BITMAPINFO *binfo = static_cast<BITMAPINFO *>( std::malloc( sizeof( BITMAPINFO ) + sizeof( RGBQUAD ) * 256 ) );
    binfo->bmiHeader = bi;

    HDC hdc = GetDC( NULL );
    GetDIBits(hdc, bitmap, 0, bm.bmHeight, pixels, binfo, DIB_RGB_COLORS);

    delete(binfo);

    int height = std::abs(std::min (int(bm.bmHeight), int(temp_bmp->h)));
    int width = std::abs(std::min(pitch,int(temp_bmp->pitch)));

    for ( int y = 0; y < height; ++y )
        std::memcpy( data + temp_bmp->pitch * y, pixels + pitch * y, width );

    ReleaseDC( NULL, hdc );
    DeleteObject( bitmap );
    FreeLibrary( module );

    delete[] pixels;

    SDL_UnlockSurface(temp_bmp);

    if (temp_bmp)return temp_bmp;

    return temp_bmp = nullptr;
}