| /***************************************************************************/ |
| /* */ |
| /* rastpic.c */ |
| /* */ |
| /* The FreeType position independent code services for raster module. */ |
| /* */ |
| /* Copyright 2009, 2010 by */ |
| /* Oran Agra and Mickey Gabel. */ |
| /* */ |
| /* This file is part of the FreeType project, and may only be used, */ |
| /* modified, and distributed under the terms of the FreeType project */ |
| /* license, LICENSE.TXT. By continuing to use, modify, or distribute */ |
| /* this file you indicate that you have read the license and */ |
| /* understand and accept it fully. */ |
| /* */ |
| /***************************************************************************/ |
| |
| |
| #include <ft2build.h> |
| #include FT_FREETYPE_H |
| #include FT_INTERNAL_OBJECTS_H |
| #include "rastpic.h" |
| |
| #ifdef FT_CONFIG_OPTION_PIC |
| |
| /* forward declaration of PIC init functions from ftraster.c */ |
| void FT_Init_Class_ft_standard_raster(FT_Raster_Funcs*); |
| |
| void |
| ft_raster1_renderer_class_pic_free( FT_Library library ) |
| { |
| FT_PIC_Container* pic_container = &library->pic_container; |
| FT_Memory memory = library->memory; |
| if ( pic_container->raster ) |
| { |
| RasterPIC* container = (RasterPIC*)pic_container->raster; |
| if(--container->ref_count) |
| return; |
| FT_FREE( container ); |
| pic_container->raster = NULL; |
| } |
| } |
| |
| |
| FT_Error |
| ft_raster1_renderer_class_pic_init( FT_Library library ) |
| { |
| FT_PIC_Container* pic_container = &library->pic_container; |
| FT_Error error = Raster_Err_Ok; |
| RasterPIC* container; |
| FT_Memory memory = library->memory; |
| |
| |
| /* since this function also serve raster5 renderer, |
| it implements reference counting */ |
| if ( pic_container->raster ) |
| { |
| ((RasterPIC*)pic_container->raster)->ref_count++; |
| return error; |
| } |
| |
| /* allocate pointer, clear and set global container pointer */ |
| if ( FT_ALLOC ( container, sizeof ( *container ) ) ) |
| return error; |
| FT_MEM_SET( container, 0, sizeof(*container) ); |
| pic_container->raster = container; |
| container->ref_count = 1; |
| |
| /* initialize pointer table - this is how the module usually expects this data */ |
| FT_Init_Class_ft_standard_raster(&container->ft_standard_raster); |
| /*Exit:*/ |
| if(error) |
| ft_raster1_renderer_class_pic_free(library); |
| return error; |
| } |
| |
| /* re-route these init and free functions to the above functions */ |
| FT_Error ft_raster5_renderer_class_pic_init(FT_Library library) |
| { |
| return ft_raster1_renderer_class_pic_init(library); |
| } |
| void ft_raster5_renderer_class_pic_free(FT_Library library) |
| { |
| ft_raster1_renderer_class_pic_free(library); |
| } |
| |
| #endif /* FT_CONFIG_OPTION_PIC */ |
| |
| |
| /* END */ |