* @defgroup dali_toolkit_controls_buttons Buttons
* @brief Button is a small object on UI that you can press.
+ * @defgroup dali_toolkit_controls_canvas_view CanvasView
+ * @brief CanvasView is a class for displaying an vector primitives.
+ *
* @defgroup dali_toolkit_controls_gaussian_blur_view Gaussian Blur View
* @brief GaussianBlurView provides a render process that blurs an image.