1/***************************************************************************/
2/*                                                                         */
3/*  rastpic.c                                                              */
4/*                                                                         */
5/*    The FreeType position independent code services for raster module.   */
6/*                                                                         */
7/*  Copyright 2009, 2010, 2012, 2013 by                                    */
8/*  Oran Agra and Mickey Gabel.                                            */
9/*                                                                         */
10/*  This file is part of the FreeType project, and may only be used,       */
11/*  modified, and distributed under the terms of the FreeType project      */
12/*  license, LICENSE.TXT.  By continuing to use, modify, or distribute     */
13/*  this file you indicate that you have read the license and              */
14/*  understand and accept it fully.                                        */
15/*                                                                         */
16/***************************************************************************/
17
18
19#include "../../include/ft2build.h"
20#include "../../include/freetype/freetype.h"
21#include "../../include/freetype/internal/ftobjs.h"
22#include "rastpic.h"
23#include "rasterrs.h"
24
25
26#ifdef FT_CONFIG_OPTION_PIC
27
28  /* forward declaration of PIC init functions from ftraster.c */
29  void
30  FT_Init_Class_ft_standard_raster( FT_Raster_Funcs*  funcs );
31
32
33  void
34  ft_raster1_renderer_class_pic_free( FT_Library  library )
35  {
36    FT_PIC_Container*  pic_container = &library->pic_container;
37    FT_Memory          memory        = library->memory;
38
39
40    if ( pic_container->raster )
41    {
42      RasterPIC*  container = (RasterPIC*)pic_container->raster;
43
44
45      if ( --container->ref_count )
46        return;
47      FT_FREE( container );
48      pic_container->raster = NULL;
49    }
50  }
51
52
53  FT_Error
54  ft_raster1_renderer_class_pic_init( FT_Library  library )
55  {
56    FT_PIC_Container*  pic_container = &library->pic_container;
57    FT_Error           error         = FT_Err_Ok;
58    RasterPIC*         container     = NULL;
59    FT_Memory          memory        = library->memory;
60
61
62    /* since this function also serves raster5 renderer, */
63    /* it implements reference counting                  */
64    if ( pic_container->raster )
65    {
66      ((RasterPIC*)pic_container->raster)->ref_count++;
67      return error;
68    }
69
70    /* allocate pointer, clear and set global container pointer */
71    if ( FT_ALLOC( container, sizeof ( *container ) ) )
72      return error;
73    FT_MEM_SET( container, 0, sizeof ( *container ) );
74    pic_container->raster = container;
75
76    container->ref_count = 1;
77
78    /* initialize pointer table -                       */
79    /* this is how the module usually expects this data */
80    FT_Init_Class_ft_standard_raster( &container->ft_standard_raster );
81
82    return error;
83  }
84
85
86  /* re-route these init and free functions to the above functions */
87  FT_Error
88  ft_raster5_renderer_class_pic_init( FT_Library  library )
89  {
90    return ft_raster1_renderer_class_pic_init( library );
91  }
92
93
94  void
95  ft_raster5_renderer_class_pic_free( FT_Library  library )
96  {
97    ft_raster1_renderer_class_pic_free( library );
98  }
99
100#endif /* FT_CONFIG_OPTION_PIC */
101
102
103/* END */
104