Memory allocation for `state' of renderer should be performed

on the SVG port side not the FT size. Minor doc fixes.

include/freetype/svgrenderer.h

@@ -39,7 +39,7 @@ FT_BEGIN_HEADER
    *   A callback used to initiate the SVG Rendering port
    *
    * @input:
-   *   library::
+   *   library ::
    *     A instance of library. This is required to initialize the renderer's
    *     state which will be held in the library.
    *
@@ -62,7 +62,7 @@ FT_BEGIN_HEADER
    *   shall do all cleanups that the SVG Rendering port wants to do.
    *
    * @input:
-   *   library::
+   *   library ::
    *     A instance of library. This is required to free the renderer's state
    *     which will be held in the library.
    */
@@ -95,22 +95,6 @@ FT_BEGIN_HEADER
   (*SVG_Lib_Render)( FT_GlyphSlot  slot,
                      FT_BBox  outline_bbox);
 
-  /**************************************************************************
-   *
-   * @functype:
-   *   SVG_Lib_Get_State_Size
-   *
-   * @description:
-   *   A callback which is called to query the size of the state stucture.
-   *   This is used for allocating the state structure in library.
-   *
-   * @return:
-   *   Size of the state structure in bytes.
-   */
-
-  typedef FT_UInt
-  (*SVG_Lib_Get_State_Size)( );
-
   /**************************************************************************
    *
    * @functype:
@@ -149,26 +133,22 @@ FT_BEGIN_HEADER
    *   Interface.
    *
    * @input:
-   *   module::
+   *   module ::
    *     FT_Module instance.
    *
-   *   init_hook::
+   *   init_hook ::
    *     A function pointer of the type `SVG_Lib_Init'. Read the documentation
    *     of `SVG_Lib_Init'
    *
-   *   free_hook::
+   *   free_hook ::
    *     A function pointer of the type `SVG_Lib_Free'. Read the documentation
    *     of `SVG_Lib_Free'.
    *
-   *   render_hook::
+   *   render_hook ::
    *     A function pointer of the type `SVG_Lib_Render'. Read the
    *     documentation of `SVG_Lib_Render'.
    *
-   *   get_state_size::
+   *   get_buffer_size ::
-   *     A function pointer of the type `SVG_Lib_Get_State_Size'. Read the
-   *     documentation of `SVG_Lib_Get_State_Size'.
-   *
-   *   get_buffer_size::
    *     A function pointer of the type `SVG_Lib_Get_Buffer_Size'. Read the
    *     documentation of `SVG_Lib_Get_Buffer_Size'.
    *
@@ -181,7 +161,6 @@ FT_BEGIN_HEADER
                     SVG_Lib_Init             init_hook,
                     SVG_Lib_Free             free_hook,
                     SVG_Lib_Render           render_hook,
-                    SVG_Lib_Get_State_Size   get_state_size,
                     SVG_Lib_Get_Buffer_Size  get_buffer_size );
 
   /**************************************************************************
@@ -194,7 +173,7 @@ FT_BEGIN_HEADER
    *   rendering library hooks.
    *
    * @fields:
-   *   set_hooks::
+   *   set_hooks ::
    *     A function that can be called to set the hooks.
    *
    * @return:
@@ -213,7 +192,6 @@ FT_BEGIN_HEADER
                     SVG_Lib_Init             init_hook,
                     SVG_Lib_Free             free_hook,
                     SVG_Lib_Render           render_hook,
-                    SVG_Lib_Get_State_Size   get_state_size,
                     SVG_Lib_Get_Buffer_Size  get_buffer_size );
 
   /**************************************************************************

src/base/ftobjs.c

@@ -5596,7 +5596,6 @@
                     SVG_Lib_Init             init_hook,
                     SVG_Lib_Free             free_hook,
                     SVG_Lib_Render           render_hook,
-                    SVG_Lib_Get_State_Size   get_state_size,
                     SVG_Lib_Get_Buffer_Size  get_buffer_size )
   {
     FT_Module               renderer;
@@ -5614,7 +5613,6 @@
                    init_hook,
                    free_hook,
                    render_hook,
-                   get_state_size,
                    get_buffer_size );
     return FT_Err_Ok;
   }

src/svg/ftsvg.c

@@ -36,10 +36,8 @@
   ft_svg_done( SVG_Renderer svg_module )
   {
     FT_Library  library = svg_module->root.root.library;
-    FT_Memory   memory  = library->memory;
     if ( svg_module->loaded == TRUE )
       svg_module->hooks.svg_lib_free( library );
-      FT_FREE( library->svg_renderer_state );
     svg_module->loaded = FALSE;
   }
 
@@ -54,17 +52,13 @@
     FT_Memory     memory       = library->memory;
     FT_BBox       outline_bbox;
     FT_Error      error;
+    FT_ULong       size_image_buffer;
 
     SVG_RendererHooks hooks = svg_renderer->hooks;
 
-    unsigned long  size_image_buffer;
 
     if ( svg_renderer->loaded == FALSE )
     {
-      FT_MEM_ALLOC( library->svg_renderer_state,
-                    hooks.svg_lib_get_state_size() );
-      if ( error )
-        return error;
       error = hooks.svg_lib_init( library );
       svg_renderer->loaded = TRUE;
     }
@@ -88,7 +82,6 @@
                     SVG_Lib_Init             init_hook,
                     SVG_Lib_Free             free_hook,
                     SVG_Lib_Render           render_hook,
-                    SVG_Lib_Get_State_Size   get_state_size,
                     SVG_Lib_Get_Buffer_Size  get_buffer_size )
   {
     SVG_Renderer  renderer;
@@ -98,7 +91,6 @@
     renderer->hooks.svg_lib_free   = free_hook;
     renderer->hooks.svg_lib_render = render_hook;
 
-    renderer->hooks.svg_lib_get_state_size  = get_state_size;
     renderer->hooks.svg_lib_get_buffer_size = get_buffer_size;
 
     return FT_Err_Ok;

src/svg/svgtypes.c

@@ -28,7 +28,6 @@
     SVG_Lib_Free    svg_lib_free;
     SVG_Lib_Render  svg_lib_render;
 
-    SVG_Lib_Get_State_Size   svg_lib_get_state_size;
     SVG_Lib_Get_Buffer_Size  svg_lib_get_buffer_size;
   } SVG_RendererHooks;