/***************************************************************************/
/* */
/* ftspic.c */
/* */
/* The FreeType position independent code services for smooth module. */
/* */
/* Copyright 2009-2017 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 */
