sdl4gcj は Java から SDL (Simple DirectMedia Layer : http://www.libsdl.org/ ) を使うためのクラスライブラリです．
作成されたアプリケーションは GCJ(http://gcc.gnu.org/java/) でネイティブコードにコンパイルすることで， JRE なしで動作します．
! sdl4gcj-0.1.5
* Added Screen.listModes() method as SDL_ListModes() wrapper.
* Added Rectangle clsss, implementation of Rect.
! sdl4gcj-0.1.5
* Changed following methods's access modifier protected to private.
** Surface#initRGBSurface(int flags, int width, int height,
int bpp, int rmask, int gmask, int bmask, int amask)
** Surface#initRGBSurfaceFrom(byte[] pixels,
int width, int height, int bpp, int pitch,
int rmask, int gmask, int bmask, int amask)
** Surface#initRGBSurfaceFrom(short[] pixels,
int width, int height,int bpp, int pitch,
int rmask, int gmask, int bmask, int amask)
** Surface#initRGBSurfaceFrom(int[] pixels,
int width, int height, int bpp, int pitch,
int rmask, int gmask, int bmask, int amask)
* Added PixelsArrayTest.java.
* Added following constructors and method in PixelFormat class.
** public PixelFormat(int depth, int rmask, int gmask, int bmask, int amask)
** protected PixelFormat()
** private PixelFormat#initWithMask(int depth, int rmask, int gmask, int bmask, int amask)
* Added following clsss methods in Screen class.
** public Rect[] Screen.listModes(PixelFormat format, int flags)
** public Rect[] Screen.listModes(int flags)
* Added Rectangle clsss, implementation of Rect.
