1 /***************************************************************************/ 2 /* */ 3 /* rastpic.c */ 4 /* */ 5 /* The FreeType position independent code services for raster 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 "rastpic.h" 23 #include "rasterrs.h" 24 25 #ifdef FT_CONFIG_OPTION_PIC 26 27 /* forward declaration of PIC init functions from ftraster.c */ 28 void 29 FT_Init_Class_ft_standard_raster( FT_Raster_Funcs* funcs ); 30 31 void 32 ft_raster1_renderer_class_pic_free( FT_Library library ) 33 { 34 FT_PIC_Container* pic_container = &library->pic_container; 35 FT_Memory memory = library->memory; 36 37 38 if ( pic_container->raster ) 39 { 40 RasterPIC* container = (RasterPIC*)pic_container->raster; 41 if ( --container->ref_count ) 42 return; 43 FT_FREE( container ); 44 pic_container->raster = NULL; 45 } 46 } 47 48 49 FT_Error 50 ft_raster1_renderer_class_pic_init( FT_Library library ) 51 { 52 FT_PIC_Container* pic_container = &library->pic_container; 53 FT_Error error = Raster_Err_Ok; 54 RasterPIC* container; 55 FT_Memory memory = library->memory; 56 57 58 /* since this function also serve raster5 renderer, 59 it implements reference counting */ 60 if ( pic_container->raster ) 61 { 62 ((RasterPIC*)pic_container->raster)->ref_count++; 63 return error; 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->raster = container; 71 container->ref_count = 1; 72 73 /* initialize pointer table - this is how the module usually expects this data */ 74 FT_Init_Class_ft_standard_raster( &container->ft_standard_raster ); 75 /*Exit:*/ 76 if( error ) 77 ft_raster1_renderer_class_pic_free( library ); 78 return error; 79 } 80 81 /* re-route these init and free functions to the above functions */ 82 FT_Error 83 ft_raster5_renderer_class_pic_init( FT_Library library ) 84 { 85 return ft_raster1_renderer_class_pic_init( library ); 86 } 87 88 void 89 ft_raster5_renderer_class_pic_free( FT_Library library ) 90 { 91 ft_raster1_renderer_class_pic_free( library ); 92 } 93 94 #endif /* FT_CONFIG_OPTION_PIC */ 95 96 97 /* END */ 98
