/// <summary>
/// Initializes a new instance of the SDL_Surface class.
/// </summary>
/// <param name="src">A pointer to the native SDL surface.</param>
public SDL_Surface(SDL_Surface_Native* src)
{
if (src == null)
throw new ArgumentNullException("src");
var dst = SDL.CreateRGBSurface(0, src->w, src->h, 32, rmask, gmask, bmask, amask);
if (dst == null)
throw new SDL2Exception();
if (SDL.BlitSurface(src, null, dst, null) < 0)
throw new SDL2Exception();
this.ptr = dst;
}
public static Boolean MUSTLOCK(SDL_Surface_Native* surface)
{
const uint SDL_RLEACCEL = 0x00000002;
return (surface->flags & SDL_RLEACCEL) != 0;
}
public static extern Int32 GetSurfaceBlendMode(SDL_Surface_Native* surface, SDL_BlendMode* blendMode);
public static extern SDL_Cursor* CreateColorCursor(SDL_Surface_Native* surface, Int32 hot_x, Int32 hot_y);
private static extern Int32 UpperBlitScaled(SDL_Surface_Native* src, SDL_Rect* srcrect, SDL_Surface_Native* dst, SDL_Rect* dstrect);
public static Int32 BlitScaled(SDL_Surface_Native* src, SDL_Rect* srcrect, SDL_Surface_Native* dst, SDL_Rect* dstrect)
{
return UpperBlitScaled(src, srcrect, dst, dstrect);
}
public static extern void UnlockSurface(SDL_Surface_Native* surface);
public static extern Int32 LockSurface(SDL_Surface_Native* surface);
public static extern void FreeSurface(SDL_Surface_Native* surface);
public static Int32 SaveBMP(SDL_Surface_Native* surface, String file)
{
return SaveBMP_RW(surface, RWFromFile(file, "wb"), 1);
}
public static extern Int32 SaveBMP_RW(SDL_Surface_Native* surface, IntPtr dst, Int32 freedst);