doc common: Add grouping of C++ api and C api

group ThorVG C++ APIs
group ThorVGCapi C APIs

inc/thorvg.h

@@ -49,6 +49,11 @@ class Scene;
 class Picture;
 class Canvas;
 
+/**
+ * @defgroup ThorVG C++ APIs
+ */
+
+/**@{*/
 
 /**
  * @brief Enumeration specifying the result from the APIs.
@@ -161,8 +166,6 @@ struct Matrix
 /**
  * @class Paint
  *
- * @ingroup ThorVG
- *
  * @brief A class for managing graphic elements.
  *
  * It enables duplication, transformation and composition.
@@ -264,8 +267,6 @@ public:
 /**
  * @class Fill
  *
- * @ingroup ThorVG
- *
  * @brief A class representing the gradient fill of the Shape object.
  *
  * It contains the information about the gradient colors and their arrangement
@@ -333,8 +334,6 @@ public:
 /**
  * @class Canvas
  *
- * @ingroup ThorVG
- *
  * @brief A class for drawing graphic elements.
  *
  * It stores all Paint objects (Shape, Scene, Picture) and creates the buffer, which can be drawn on the screen.
@@ -412,8 +411,6 @@ public:
 /**
  * @class LinearGradient
  *
- * @ingroup ThorVG
- *
  * @brief A class representing the linear gradient fill of the Shape object.
  *
  * Besides the APIs inherited from the Fill class, it enables setting and getting the linear gradient bounds.
@@ -467,8 +464,6 @@ public:
 /**
  * @class RadialGradient
  *
- * @ingroup ThorVG
- *
  * @brief A class representing the radial gradient fill of the Shape object.
  *
  */
@@ -516,8 +511,6 @@ public:
 /**
  * @class Shape
  *
- * @ingroup ThorVG
- *
  * @brief A class representing two-dimensional figures and their properties.
  *
  * The shapes of the figures in the Shape object are stored as the sub-paths in the path.
@@ -853,8 +846,6 @@ public:
 /**
  * @class Picture
  *
- * @ingroup ThorVG
- *
  * @brief A class representing an image read in one of the supported formats: svg, png and raw.
  * Besides the methods inherited from the Paint, it provides methods to load the image,
  * to change its size and to get the basic information.
@@ -968,8 +959,6 @@ public:
 /**
  * @class Scene
  *
- * @ingroup ThorVG
- *
  * @brief A class enabling to hold many Paint objects.
  *
  * As a whole they can be transformed, their transparency can be changed, or the composition
@@ -1024,8 +1013,6 @@ public:
 /**
  * @class SwCanvas
  *
- * @ingroup ThorVG
- *
  * @brief A class for the rasterisation of graphic elements with a software engine.
  *
  */
@@ -1073,8 +1060,6 @@ public:
 /**
  * @class GlCanvas
  *
- * @ingroup ThorVG
- *
  * @brief A class for the rasterisation of graphic elements with the OpenGL engine.
  *
  */
@@ -1102,8 +1087,6 @@ public:
 /**
  * @class Initializer
  *
- * @ingroup ThorVG
- *
  * @brief A class that enables initialization and termination of the ThorVG engine.
  *
  */
@@ -1136,6 +1119,8 @@ public:
     _TVG_DISABLE_CTOR(Initializer);
 };
 
+/** @}*/
+
 } //namespace
 
 #ifdef __cplusplus

inc/thorvg_capi.h

@@ -38,6 +38,12 @@ typedef struct _Tvg_Canvas Tvg_Canvas;
 typedef struct _Tvg_Paint Tvg_Paint;
 typedef struct _Tvg_Gradient Tvg_Gradient;
 
+/**
+ * \defgroup ThorVGCapi C APIs
+ */
+
+/**@{*/
+
 /*!
 * \def TVG_ENGINE_SW
 * Software raster engine type.
@@ -1299,6 +1305,7 @@ TVG_EXPORT Tvg_Result tvg_scene_push(Tvg_Paint* scene, Tvg_Paint* paint);
 */
 TVG_EXPORT Tvg_Result tvg_scene_clear(Tvg_Paint* scene);
 
+/** \}*/
 
 #ifdef __cplusplus
 }