| 1 | /**************************************************************************** |
| 2 | * |
| 3 | * pshmod.c |
| 4 | * |
| 5 | * FreeType PostScript hinter module implementation (body). |
| 6 | * |
| 7 | * Copyright (C) 2001-2019 by |
| 8 | * David Turner, Robert Wilhelm, and Werner Lemberg. |
| 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_INTERNAL_OBJECTS_H |
| 21 | #include "pshrec.h" |
| 22 | #include "pshalgo.h" |
| 23 | |
| 24 | |
| 25 | /* the Postscript Hinter module structure */ |
| 26 | typedef struct PS_Hinter_Module_Rec_ |
| 27 | { |
| 28 | FT_ModuleRec root; |
| 29 | PS_HintsRec ps_hints; |
| 30 | |
| 31 | PSH_Globals_FuncsRec globals_funcs; |
| 32 | T1_Hints_FuncsRec t1_funcs; |
| 33 | T2_Hints_FuncsRec t2_funcs; |
| 34 | |
| 35 | } PS_Hinter_ModuleRec, *PS_Hinter_Module; |
| 36 | |
| 37 | |
| 38 | /* finalize module */ |
| 39 | FT_CALLBACK_DEF( void ) |
| 40 | ps_hinter_done( PS_Hinter_Module module ) |
| 41 | { |
| 42 | module->t1_funcs.hints = NULL; |
| 43 | module->t2_funcs.hints = NULL; |
| 44 | |
| 45 | ps_hints_done( &module->ps_hints ); |
| 46 | } |
| 47 | |
| 48 | |
| 49 | /* initialize module, create hints recorder and the interface */ |
| 50 | FT_CALLBACK_DEF( FT_Error ) |
| 51 | ps_hinter_init( PS_Hinter_Module module ) |
| 52 | { |
| 53 | FT_Memory memory = module->root.memory; |
| 54 | void* ph = &module->ps_hints; |
| 55 | |
| 56 | |
| 57 | ps_hints_init( &module->ps_hints, memory ); |
| 58 | |
| 59 | psh_globals_funcs_init( &module->globals_funcs ); |
| 60 | |
| 61 | t1_hints_funcs_init( &module->t1_funcs ); |
| 62 | module->t1_funcs.hints = (T1_Hints)ph; |
| 63 | |
| 64 | t2_hints_funcs_init( &module->t2_funcs ); |
| 65 | module->t2_funcs.hints = (T2_Hints)ph; |
| 66 | |
| 67 | return 0; |
| 68 | } |
| 69 | |
| 70 | |
| 71 | /* returns global hints interface */ |
| 72 | FT_CALLBACK_DEF( PSH_Globals_Funcs ) |
| 73 | pshinter_get_globals_funcs( FT_Module module ) |
| 74 | { |
| 75 | return &((PS_Hinter_Module)module)->globals_funcs; |
| 76 | } |
| 77 | |
| 78 | |
| 79 | /* return Type 1 hints interface */ |
| 80 | FT_CALLBACK_DEF( T1_Hints_Funcs ) |
| 81 | pshinter_get_t1_funcs( FT_Module module ) |
| 82 | { |
| 83 | return &((PS_Hinter_Module)module)->t1_funcs; |
| 84 | } |
| 85 | |
| 86 | |
| 87 | /* return Type 2 hints interface */ |
| 88 | FT_CALLBACK_DEF( T2_Hints_Funcs ) |
| 89 | pshinter_get_t2_funcs( FT_Module module ) |
| 90 | { |
| 91 | return &((PS_Hinter_Module)module)->t2_funcs; |
| 92 | } |
| 93 | |
| 94 | |
| 95 | FT_DEFINE_PSHINTER_INTERFACE( |
| 96 | pshinter_interface, |
| 97 | |
| 98 | pshinter_get_globals_funcs, |
| 99 | pshinter_get_t1_funcs, |
| 100 | pshinter_get_t2_funcs |
| 101 | ) |
| 102 | |
| 103 | |
| 104 | FT_DEFINE_MODULE( |
| 105 | pshinter_module_class, |
| 106 | |
| 107 | 0, |
| 108 | sizeof ( PS_Hinter_ModuleRec ), |
| 109 | "pshinter" , |
| 110 | 0x10000L, |
| 111 | 0x20000L, |
| 112 | |
| 113 | &pshinter_interface, /* module-specific interface */ |
| 114 | |
| 115 | (FT_Module_Constructor)ps_hinter_init, /* module_init */ |
| 116 | (FT_Module_Destructor) ps_hinter_done, /* module_done */ |
| 117 | (FT_Module_Requester) NULL /* get_interface */ |
| 118 | ) |
| 119 | |
| 120 | /* END */ |
| 121 | |