1 /**************************************************************************** 2 * 3 * pshmod.c 4 * 5 * FreeType PostScript hinter module implementation (body). 6 * 7 * Copyright (C) 2001-2023 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 <freetype/internal/ftobjs.h> 20 #include "pshrec.h" 21 #include "pshalgo.h" 22 #include "pshmod.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 ) ps_hinter_done(FT_Module module_)40 ps_hinter_done( FT_Module module_ ) /* PS_Hinter_Module */ 41 { 42 PS_Hinter_Module module = (PS_Hinter_Module)module_; 43 44 45 module->t1_funcs.hints = NULL; 46 module->t2_funcs.hints = NULL; 47 48 ps_hints_done( &module->ps_hints ); 49 } 50 51 52 /* initialize module, create hints recorder and the interface */ 53 FT_CALLBACK_DEF( FT_Error ) ps_hinter_init(FT_Module module_)54 ps_hinter_init( FT_Module module_ ) /* PS_Hinter_Module */ 55 { 56 PS_Hinter_Module module = (PS_Hinter_Module)module_; 57 58 FT_Memory memory = module->root.memory; 59 void* ph = &module->ps_hints; 60 61 62 ps_hints_init( &module->ps_hints, memory ); 63 64 psh_globals_funcs_init( &module->globals_funcs ); 65 66 t1_hints_funcs_init( &module->t1_funcs ); 67 module->t1_funcs.hints = (T1_Hints)ph; 68 69 t2_hints_funcs_init( &module->t2_funcs ); 70 module->t2_funcs.hints = (T2_Hints)ph; 71 72 return 0; 73 } 74 75 76 /* returns global hints interface */ 77 FT_CALLBACK_DEF( PSH_Globals_Funcs ) pshinter_get_globals_funcs(FT_Module module)78 pshinter_get_globals_funcs( FT_Module module ) 79 { 80 return &((PS_Hinter_Module)module)->globals_funcs; 81 } 82 83 84 /* return Type 1 hints interface */ 85 FT_CALLBACK_DEF( T1_Hints_Funcs ) pshinter_get_t1_funcs(FT_Module module)86 pshinter_get_t1_funcs( FT_Module module ) 87 { 88 return &((PS_Hinter_Module)module)->t1_funcs; 89 } 90 91 92 /* return Type 2 hints interface */ 93 FT_CALLBACK_DEF( T2_Hints_Funcs ) pshinter_get_t2_funcs(FT_Module module)94 pshinter_get_t2_funcs( FT_Module module ) 95 { 96 return &((PS_Hinter_Module)module)->t2_funcs; 97 } 98 99 100 FT_DEFINE_PSHINTER_INTERFACE( 101 pshinter_interface, 102 103 pshinter_get_globals_funcs, 104 pshinter_get_t1_funcs, 105 pshinter_get_t2_funcs 106 ) 107 108 109 FT_DEFINE_MODULE( 110 pshinter_module_class, 111 112 0, 113 sizeof ( PS_Hinter_ModuleRec ), 114 "pshinter", 115 0x10000L, 116 0x20000L, 117 118 &pshinter_interface, /* module-specific interface */ 119 120 (FT_Module_Constructor)ps_hinter_init, /* module_init */ 121 (FT_Module_Destructor) ps_hinter_done, /* module_done */ 122 (FT_Module_Requester) NULL /* get_interface */ 123 ) 124 125 /* END */ 126