static void Graphix_ClipCircleUseIGraphics(GraphixApplet* app)
{
  IGraphics*  graphics = app->g;
  AEEClip  clip;
  AEERect  rect;
  AEECircle  circle;

  // 画面を緑色でクリア
  IGRAPHICS_SetBackground(graphics,0xCC,0xFF,0xCC);
  IGRAPHICS_ClearViewport(graphics);

  // クリッピング領域を円に設定
  clip.type = CLIPPING_CIRCLE;
  clip.shape.circle.cx = 60;
  clip.shape.circle.cy = 60;
  clip.shape.circle.r = 40;
  IGRAPHICS_SetClip(graphics,&clip,0);

  // 塗り潰しモードを設定
  IGRAPHICS_SetFillMode(graphics,TRUE);

  // 描画色を赤色に設定
  IGRAPHICS_SetColor(graphics,0xFF,0x88,0x88,0x00);
  IGRAPHICS_SetFillColor(graphics,0xFF,0xCC,0xCC,0x00);

  // 四角形を描画
  rect.x = 10;
  rect.y = 10;
  rect.dx = 60;
  rect.dy = 50;
  IGRAPHICS_DrawRect(graphics,&rect);

  // 描画色を青色に設定
  IGRAPHICS_SetColor(graphics,0x88,0x88,0xFF,0x00);
  IGRAPHICS_SetFillColor(graphics,0xCC,0xCC,0xFF,0x00);

  // 円を描画
  circle.cx = 80;
  circle.cy = 70;
  circle.r = 40;
  IGRAPHICS_DrawCircle(graphics,&circle);

  // クリッピング領域をリセット
  IGRAPHICS_SetClip(graphics,NULL,0);

  // 画面更新
  IGRAPHICS_Update(graphics);
  return;
}