ref: 6757390d1ad447ebabcfdc704f3008bc141761c8
dir: /src/smooth/ftspic.c/
/***************************************************************************/ /* */ /* ftspic.c */ /* */ /* The FreeType position independent code services for smooth module. */ /* */ /* Copyright 2009 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 "ftspic.h" #ifdef FT_CONFIG_OPTION_PIC /* forward declaration of PIC init functions from ftgrays.c */ void FT_Init_Class_ft_grays_raster(FT_Raster_Funcs*); void ft_smooth_renderer_class_pic_free( FT_Library library ) { FT_PIC_Container* pic_container = &library->pic_container; FT_Memory memory = library->memory; if ( pic_container->smooth ) { SmoothPIC* container = (SmoothPIC*)pic_container->smooth; if(--container->ref_count) return; FT_FREE( container ); pic_container->smooth = NULL; } } FT_Error ft_smooth_renderer_class_pic_init( FT_Library library ) { FT_PIC_Container* pic_container = &library->pic_container; FT_Error error = FT_Err_Ok; SmoothPIC* container; FT_Memory memory = library->memory; /* since this function also serve smooth_lcd and smooth_lcdv renderers, it implements reference counting */ if(pic_container->smooth) { ((SmoothPIC*)pic_container->smooth)->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->smooth = container; container->ref_count = 1; /* initialize pointer table - this is how the module usually expects this data */ FT_Init_Class_ft_grays_raster(&container->ft_grays_raster); /*Exit:*/ if(error) ft_smooth_renderer_class_pic_free(library); return error; } /* re-route these init and free functions to the above functions */ FT_Error ft_smooth_lcd_renderer_class_pic_init(FT_Library library) { return ft_smooth_renderer_class_pic_init(library); } void ft_smooth_lcd_renderer_class_pic_free(FT_Library library) { ft_smooth_renderer_class_pic_free(library); } FT_Error ft_smooth_lcdv_renderer_class_pic_init(FT_Library library) { return ft_smooth_renderer_class_pic_init(library); } void ft_smooth_lcdv_renderer_class_pic_free(FT_Library library) { ft_smooth_renderer_class_pic_free(library); } #endif /* FT_CONFIG_OPTION_PIC */ /* END */