1/***************************************************************************/
2/* */
3/* ttpic.c */
4/* */
5/* The FreeType position independent code services for truetype module. */
6/* */
7/* Copyright 2009-2018 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 <ft2build.h>
20#include FT_FREETYPE_H
21#include FT_INTERNAL_OBJECTS_H
22#include "ttpic.h"
23#include "tterrors.h"
24
25
26#ifdef FT_CONFIG_OPTION_PIC
27
28 /* forward declaration of PIC init functions from ttdriver.c */
29 FT_Error
30 FT_Create_Class_tt_services( FT_Library library,
31 FT_ServiceDescRec** output_class );
32 void
33 FT_Destroy_Class_tt_services( FT_Library library,
34 FT_ServiceDescRec* clazz );
35 void
36 FT_Init_Class_tt_service_gx_multi_masters(
37 FT_Service_MultiMastersRec* sv_mm );
38 void
39 FT_Init_Class_tt_service_truetype_glyf(
40 FT_Service_TTGlyfRec* sv_ttglyf );
41
42
43 void
44 tt_driver_class_pic_free( FT_Library library )
45 {
46 FT_PIC_Container* pic_container = &library->pic_container;
47 FT_Memory memory = library->memory;
48
49
50 if ( pic_container->truetype )
51 {
52 TTModulePIC* container = (TTModulePIC*)pic_container->truetype;
53
54
55 if ( container->tt_services )
56 FT_Destroy_Class_tt_services( library, container->tt_services );
57 container->tt_services = NULL;
58 FT_FREE( container );
59 pic_container->truetype = NULL;
60 }
61 }
62
63
64 FT_Error
65 tt_driver_class_pic_init( FT_Library library )
66 {
67 FT_PIC_Container* pic_container = &library->pic_container;
68 FT_Error error = FT_Err_Ok;
69 TTModulePIC* container = NULL;
70 FT_Memory memory = library->memory;
71
72
73 /* allocate pointer, clear and set global container pointer */
74 if ( FT_ALLOC( container, sizeof ( *container ) ) )
75 return error;
76 FT_MEM_SET( container, 0, sizeof ( *container ) );
77 pic_container->truetype = container;
78
79 /* initialize pointer table - this is how the module usually */
80 /* expects this data */
81 error = FT_Create_Class_tt_services( library,
82 &container->tt_services );
83 if ( error )
84 goto Exit;
85#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT
86 FT_Init_Class_tt_service_gx_multi_masters(
87 &container->tt_service_gx_multi_masters );
88#endif
89 FT_Init_Class_tt_service_truetype_glyf(
90 &container->tt_service_truetype_glyf );
91
92 Exit:
93 if ( error )
94 tt_driver_class_pic_free( library );
95 return error;
96 }
97
98#endif /* FT_CONFIG_OPTION_PIC */
99
100
101/* END */
102