/***************************************************************************/ | |
/* */ | |
/* ftspic.c */ | |
/* */ | |
/* The FreeType position independent code services for smooth module. */ | |
/* */ | |
/* Copyright 2009-2015 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" | |
#include "ftsmerrs.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* 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 = NULL; | |
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 ); | |
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 */ |