1 /***************************************************************************/ 2 /* */ 3 /* pshmod.c */ 4 /* */ 5 /* FreeType PostScript hinter module implementation (body). */ 6 /* */ 7 /* Copyright 2001, 2002, 2007 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 #include "pshpic.h" 24 25 26 /* the Postscript Hinter module structure */ 27 typedef struct PS_Hinter_Module_Rec_ 28 { 29 FT_ModuleRec root; 30 PS_HintsRec ps_hints; 31 32 PSH_Globals_FuncsRec globals_funcs; 33 T1_Hints_FuncsRec t1_funcs; 34 T2_Hints_FuncsRec t2_funcs; 35 36 } PS_Hinter_ModuleRec, *PS_Hinter_Module; 37 38 39 /* finalize module */ 40 FT_CALLBACK_DEF( void ) ps_hinter_done(PS_Hinter_Module module)41 ps_hinter_done( PS_Hinter_Module module ) 42 { 43 module->t1_funcs.hints = NULL; 44 module->t2_funcs.hints = NULL; 45 46 ps_hints_done( &module->ps_hints ); 47 } 48 49 50 /* initialize module, create hints recorder and the interface */ 51 FT_CALLBACK_DEF( FT_Error ) ps_hinter_init(PS_Hinter_Module module)52 ps_hinter_init( PS_Hinter_Module module ) 53 { 54 FT_Memory memory = module->root.memory; 55 void* ph = &module->ps_hints; 56 57 58 ps_hints_init( &module->ps_hints, memory ); 59 60 psh_globals_funcs_init( &module->globals_funcs ); 61 62 t1_hints_funcs_init( &module->t1_funcs ); 63 module->t1_funcs.hints = (T1_Hints)ph; 64 65 t2_hints_funcs_init( &module->t2_funcs ); 66 module->t2_funcs.hints = (T2_Hints)ph; 67 68 return 0; 69 } 70 71 72 /* returns global hints interface */ 73 FT_CALLBACK_DEF( PSH_Globals_Funcs ) pshinter_get_globals_funcs(FT_Module module)74 pshinter_get_globals_funcs( FT_Module module ) 75 { 76 return &((PS_Hinter_Module)module)->globals_funcs; 77 } 78 79 80 /* return Type 1 hints interface */ 81 FT_CALLBACK_DEF( T1_Hints_Funcs ) pshinter_get_t1_funcs(FT_Module module)82 pshinter_get_t1_funcs( FT_Module module ) 83 { 84 return &((PS_Hinter_Module)module)->t1_funcs; 85 } 86 87 88 /* return Type 2 hints interface */ 89 FT_CALLBACK_DEF( T2_Hints_Funcs ) pshinter_get_t2_funcs(FT_Module module)90 pshinter_get_t2_funcs( FT_Module module ) 91 { 92 return &((PS_Hinter_Module)module)->t2_funcs; 93 } 94 95 96 FT_DEFINE_PSHINTER_INTERFACE(pshinter_interface, 97 pshinter_get_globals_funcs, 98 pshinter_get_t1_funcs, 99 pshinter_get_t2_funcs 100 ) 101 102 103 FT_DEFINE_MODULE(pshinter_module_class, 104 105 0, 106 sizeof ( PS_Hinter_ModuleRec ), 107 "pshinter", 108 0x10000L, 109 0x20000L, 110 111 &FTPSHINTER_INTERFACE_GET, /* module-specific interface */ 112 113 (FT_Module_Constructor)ps_hinter_init, 114 (FT_Module_Destructor) ps_hinter_done, 115 (FT_Module_Requester) 0 /* no additional interface for now */ 116 ) 117 118 /* END */ 119