1 /***************************************************************************/ 2 /* */ 3 /* afpic.c */ 4 /* */ 5 /* The FreeType position independent code services for autofit module. */ 6 /* */ 7 /* Copyright 2009, 2010, 2011 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 "afpic.h" 23 #include "aferrors.h" 24 25 #ifdef FT_CONFIG_OPTION_PIC 26 27 /* forward declaration of PIC init functions from afmodule.c */ 28 void FT_Init_Class_af_autofitter_service( 29 FT_Library library, 30 FT_AutoHinter_ServiceRec* clazz ); 31 32 /* forward declaration of PIC init functions from script classes */ 33 #include "aflatin.h" 34 #ifdef FT_OPTION_AUTOFIT2 35 #include "aflatin2.h" 36 #endif 37 #include "afcjk.h" 38 #include "afdummy.h" 39 #include "afindic.h" 40 41 void 42 autofit_module_class_pic_free( FT_Library library ) 43 { 44 FT_PIC_Container* pic_container = &library->pic_container; 45 FT_Memory memory = library->memory; 46 47 48 if ( pic_container->autofit ) 49 { 50 FT_FREE( pic_container->autofit ); 51 pic_container->autofit = NULL; 52 } 53 } 54 55 56 FT_Error 57 autofit_module_class_pic_init( FT_Library library ) 58 { 59 FT_PIC_Container* pic_container = &library->pic_container; 60 FT_UInt ss; 61 FT_Error error = AF_Err_Ok; 62 AFModulePIC* container; 63 FT_Memory memory = library->memory; 64 65 66 /* allocate pointer, clear and set global container pointer */ 67 if ( FT_ALLOC ( container, sizeof ( *container ) ) ) 68 return error; 69 FT_MEM_SET( container, 0, sizeof ( *container ) ); 70 pic_container->autofit = container; 71 72 /* initialize pointer table - */ 73 /* this is how the module usually expects this data */ 74 for ( ss = 0 ; ss < AF_SCRIPT_CLASSES_REC_COUNT ; ss++ ) 75 { 76 container->af_script_classes[ss] = 77 &container->af_script_classes_rec[ss]; 78 } 79 container->af_script_classes[AF_SCRIPT_CLASSES_COUNT - 1] = NULL; 80 81 /* add call to initialization function when you add new scripts */ 82 ss = 0; 83 FT_Init_Class_af_dummy_script_class( 84 &container->af_script_classes_rec[ss++] ); 85 #ifdef FT_OPTION_AUTOFIT2 86 FT_Init_Class_af_latin2_script_class( 87 &container->af_script_classes_rec[ss++] ); 88 #endif 89 FT_Init_Class_af_latin_script_class( 90 &container->af_script_classes_rec[ss++] ); 91 FT_Init_Class_af_cjk_script_class( 92 &container->af_script_classes_rec[ss++] ); 93 FT_Init_Class_af_indic_script_class( 94 &container->af_script_classes_rec[ss++] ); 95 96 FT_Init_Class_af_autofitter_service( 97 library, &container->af_autofitter_service ); 98 99 /* Exit: */ 100 101 if ( error ) 102 autofit_module_class_pic_free( library ); 103 return error; 104 } 105 106 107 #endif /* FT_CONFIG_OPTION_PIC */ 108 109 110 /* END */ 111
