1 /***************************************************************************/ 2 /* */ 3 /* pshmod.c */ 4 /* */ 5 /* FreeType PostScript hinter module implementation (body). */ 6 /* */ 7 /* Copyright 2001, 2002 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 55 56 ps_hints_init( &module->ps_hints, memory ); 57 58 psh_globals_funcs_init( &module->globals_funcs ); 59 60 t1_hints_funcs_init( &module->t1_funcs ); 61 module->t1_funcs.hints = (T1_Hints)&module->ps_hints; 62 63 t2_hints_funcs_init( &module->t2_funcs ); 64 module->t2_funcs.hints = (T2_Hints)&module->ps_hints; 65 66 return 0; 67 } 68 69 70 /* returns global hints interface */ 71 FT_CALLBACK_DEF( PSH_Globals_Funcs ) 72 pshinter_get_globals_funcs( FT_Module module ) 73 { 74 return &((PS_Hinter_Module)module)->globals_funcs; 75 } 76 77 78 /* return Type 1 hints interface */ 79 FT_CALLBACK_DEF( T1_Hints_Funcs ) 80 pshinter_get_t1_funcs( FT_Module module ) 81 { 82 return &((PS_Hinter_Module)module)->t1_funcs; 83 } 84 85 86 /* return Type 2 hints interface */ 87 FT_CALLBACK_DEF( T2_Hints_Funcs ) 88 pshinter_get_t2_funcs( FT_Module module ) 89 { 90 return &((PS_Hinter_Module)module)->t2_funcs; 91 } 92 93 94 static 95 const PSHinter_Interface pshinter_interface = 96 { 97 pshinter_get_globals_funcs, 98 pshinter_get_t1_funcs, 99 pshinter_get_t2_funcs 100 }; 101 102 103 FT_CALLBACK_TABLE_DEF 104 const FT_Module_Class pshinter_module_class = 105 { 106 0, 107 sizeof ( PS_Hinter_ModuleRec ), 108 "pshinter", 109 0x10000L, 110 0x20000L, 111 112 &pshinter_interface, /* module-specific interface */ 113 114 (FT_Module_Constructor)ps_hinter_init, 115 (FT_Module_Destructor) ps_hinter_done, 116 (FT_Module_Requester) 0 /* no additional interface for now */ 117 }; 118 119 120 /* END */ 121