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