ref: df03eca7e7cbfadf1cf8c8c5a94390eaa5013a8b
dir: /libfreetype/ftcglyph.c/
/***************************************************************************/
/* */
/* ftcglyph.c */
/* */
/* FreeType Glyph Image (FT_Glyph) cache (body). */
/* */
/* Copyright 2000-2001 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* 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_CACHE_H
#include FT_CACHE_INTERNAL_GLYPH_H
#include FT_ERRORS_H
#include FT_LIST_H
#include FT_INTERNAL_OBJECTS_H
#include FT_INTERNAL_DEBUG_H
#include "ftcerror.h"
/* create a new chunk node, setting its cache index and ref count */
FT_EXPORT_DEF( void )
ftc_glyph_node_init( FTC_GlyphNode gnode,
FT_UInt gindex,
FTC_GlyphFamily gfam )
{
FT_UInt len;
FT_UInt start = FTC_GLYPH_FAMILY_START( gfam, gindex );
gnode->item_start = (FT_UShort)start;
len = gfam->item_total - start;
if ( len > gfam->item_count )
len = gfam->item_count;
gnode->item_count = (FT_UShort)len;
gfam->family.num_nodes++;
}
FT_EXPORT_DEF( void )
ftc_glyph_node_done( FTC_GlyphNode gnode,
FTC_Cache cache )
{
/* finalize the node */
gnode->item_count = 0;
gnode->item_start = 0;
ftc_node_done( FTC_NODE( gnode ), cache );
}
FT_EXPORT_DEF( FT_Bool )
ftc_glyph_node_compare( FTC_GlyphNode gnode,
FTC_GlyphQuery gquery )
{
FT_UInt start = (FT_UInt)gnode->item_start;
FT_UInt count = (FT_UInt)gnode->item_count;
return FT_BOOL( (FT_UInt)( gquery->gindex - start ) < count );
}
/*************************************************************************/
/*************************************************************************/
/***** *****/
/***** CHUNK SETS *****/
/***** *****/
/*************************************************************************/
/*************************************************************************/
FT_EXPORT_DEF( FT_Error )
ftc_glyph_family_init( FTC_GlyphFamily gfam,
FT_UInt32 hash,
FT_UInt item_count,
FT_UInt item_total,
FTC_GlyphQuery gquery,
FTC_Cache cache )
{
FT_Error error;
error = ftc_family_init( FTC_FAMILY( gfam ), FTC_QUERY( gquery ), cache );
if ( !error )
{
gfam->hash = hash;
gfam->item_total = item_total;
gfam->item_count = item_count;
FTC_GLYPH_FAMILY_FOUND( gfam, gquery );
}
return error;
}
FT_EXPORT_DEF( void )
ftc_glyph_family_done( FTC_GlyphFamily gfam )
{
ftc_family_done( FTC_FAMILY( gfam ) );
}
/* END */