1 /***************************************************************************/ 2 /* */ 3 /* rastpic.c */ 4 /* */ 5 /* The FreeType position independent code services for raster module. */ 6 /* */ 7 /* Copyright 2009-2018 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 "rastpic.h" 23 #include "rasterrs.h" 24 25 26 #ifdef FT_CONFIG_OPTION_PIC 27 28 /* forward declaration of PIC init functions from ftraster.c */ 29 void 30 FT_Init_Class_ft_standard_raster( FT_Raster_Funcs* funcs ); 31 32 33 void 34 ft_raster1_renderer_class_pic_free( FT_Library library ) 35 { 36 FT_PIC_Container* pic_container = &library->pic_container; 37 FT_Memory memory = library->memory; 38 39 40 if ( pic_container->raster ) 41 { 42 RasterPIC* container = (RasterPIC*)pic_container->raster; 43 44 45 if ( --container->ref_count ) 46 return; 47 FT_FREE( container ); 48 pic_container->raster = NULL; 49 } 50 } 51 52 53 FT_Error 54 ft_raster1_renderer_class_pic_init( FT_Library library ) 55 { 56 FT_PIC_Container* pic_container = &library->pic_container; 57 FT_Error error = FT_Err_Ok; 58 RasterPIC* container = NULL; 59 FT_Memory memory = library->memory; 60 61 62 /* XXX: since this function also served the no longer available */ 63 /* raster5 renderer it uses reference counting, which could */ 64 /* be removed now */ 65 if ( pic_container->raster ) 66 { 67 ((RasterPIC*)pic_container->raster)->ref_count++; 68 return error; 69 } 70 71 /* allocate pointer, clear and set global container pointer */ 72 if ( FT_ALLOC( container, sizeof ( *container ) ) ) 73 return error; 74 FT_MEM_SET( container, 0, sizeof ( *container ) ); 75 pic_container->raster = container; 76 77 container->ref_count = 1; 78 79 /* initialize pointer table - */ 80 /* this is how the module usually expects this data */ 81 FT_Init_Class_ft_standard_raster( &container->ft_standard_raster ); 82 83 return error; 84 } 85 86 #endif /* FT_CONFIG_OPTION_PIC */ 87 88 89 /* END */ 90
