freetype2/src/cache/ftccmap.c

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/****************************************************************************
*
* ftccmap.c
*
* FreeType CharMap cache (body)
*
2022-01-11 10:54:10 +01:00
* Copyright (C) 2000-2022 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 <freetype/freetype.h>
#include <freetype/ftcache.h>
#include "ftcmanag.h"
#include <freetype/internal/ftmemory.h>
#include <freetype/internal/ftobjs.h>
#include <freetype/internal/ftdebug.h>
#include "ftccback.h"
#include "ftcerror.h"
#undef FT_COMPONENT
#define FT_COMPONENT cache
/**************************************************************************
*
* Each FTC_CMapNode contains a simple array to map a range of character
* codes to equivalent glyph indices.
*
* For now, the implementation is very basic: Each node maps a range of
* 128 consecutive character codes to their corresponding glyph indices.
*
* We could do more complex things, but I don't think it is really very
* useful.
*
*/
/* number of glyph indices / character code per node */
#define FTC_CMAP_INDICES_MAX 128
/* compute a query/node hash */
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#define FTC_CMAP_HASH( faceid, index, charcode ) \
( FTC_FACE_ID_HASH( faceid ) + 211 * (index) + \
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( (charcode) / FTC_CMAP_INDICES_MAX ) )
/* the charmap query */
typedef struct FTC_CMapQueryRec_
{
FTC_FaceID face_id;
FT_UInt cmap_index;
FT_UInt32 char_code;
} FTC_CMapQueryRec, *FTC_CMapQuery;
#define FTC_CMAP_QUERY( x ) ((FTC_CMapQuery)(x))
/* the cmap cache node */
typedef struct FTC_CMapNodeRec_
{
FTC_NodeRec node;
FTC_FaceID face_id;
FT_UInt cmap_index;
FT_UInt32 first; /* first character in node */
FT_UInt16 indices[FTC_CMAP_INDICES_MAX]; /* array of glyph indices */
} FTC_CMapNodeRec, *FTC_CMapNode;
#define FTC_CMAP_NODE( x ) ( (FTC_CMapNode)( x ) )
/* if (indices[n] == FTC_CMAP_UNKNOWN), we assume that the corresponding */
/* glyph indices haven't been queried through FT_Get_Glyph_Index() yet */
#define FTC_CMAP_UNKNOWN (FT_UInt16)~0
/*************************************************************************/
/*************************************************************************/
/***** *****/
/***** CHARMAP NODES *****/
/***** *****/
/*************************************************************************/
/*************************************************************************/
FT_CALLBACK_DEF( void )
* src/cache/ftcbasic.c (ftc_basic_family_compare, ftc_basic_family_init, ftc_basic_family_get_count, ftc_basic_family_load_bitmap, ftc_basic_family_load_glyph, ftc_basic_gnode_compare_faceid): Adjust parameters and return types to prototypes given in header files from include/freetype/cache. Use casts to proper types locally. (ftc_basic_image_family_class, ftc_basic_image_cache_class, ftc_basic_sbit_family_class, ftc_basic_sbit_cache_class): Remove casts. * src/cache/ftccback.h: Adjust parameters and return types to prototypes given in header files from include/freetype/cache. * src/cache/ftcimage.c (ftc_inode_free, ftc_inode_new, ftc_inode_weight): Adjust parameters and return types to prototypes given in header files from include/freetype/cache. Use casts to proper types locally. * src/cache/ftcsbits.c (ftc_snode_free, ftc_snode_new, ftc_snode_weight, ftc_snode_compare): Adjust parameters and return types to prototypes given in header files from include/freetype/cache. Use casts to proper types locally. * src/cache/ftccmap.c (ftc_cmap_node_free, ftc_cmap_node_new, ftc_cmap_node_weight, ftc_cmap_node_compare, ftc_cmap_node_remove_faceid): Adjust parameters and return types to prototypes given in header files from include/freetype/cache. Use casts to proper types locally. (ftc_cmap_cache_class): Remove casts. * src/cache/ftcglyph.c (ftc_gnode_compare, ftc_gcache_init, ftc_gcache_done): Adjust parameters and return types to prototypes given in header files from include/freetype/cache. Use casts to proper types locally. * src/cache/ftcmanag.c (ftc_size_node_done, ftc_size_node_compare, ftc_size_node_init, ftc_size_node_reset, ftc_size_node_compare_faceid, ftc_face_node_init, ftc_face_node_done, ftc_face_node_compare: Adjust parameters and return types to prototypes given in header files from include/freetype/cache. Use casts to proper types locally. (ftc_size_list_class, ftc_face_list_class): Remove casts. * src/autohint/ahmodule.c (ft_autohinter_init, ft_autohinter_done): Use FT_Module as parameter and do a cast to FT_AutoHinter locally. (autohint_module_class): Remove casts. * src/base/ftglyph.c (ft_bitmap_glyph_init, ft_bitmap_glyph_copy, ft_bitmap_glyph_done, ft_bitmap_glyph_bbox, ft_outline_glyph_init, ft_outline_glyph_done, ft_outline_glyph_copy, ft_outline_glyph_transform, ft_outline_glyph_bbox, ft_outline_glyph_prepare): Use FT_Glyph as parameter and do a cast to FT_XXXGlyph locally. Use FT_CALLBACK_DEF throughout. (ft_bitmap_glyph_class, ft_outline_glyph_class): Remove casts. * src/bdf/bdfdrivr.c (bdf_cmap_init, bdf_cmap_done, bdf_cmap_char_index, bdf_cmap_char_next): Use FT_CMap as parameter and do a cast to BDF_CMap locally. (bdf_cmap_class): Remove casts.
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ftc_cmap_node_free( FTC_Node ftcnode,
FTC_Cache cache )
{
* src/cache/ftcbasic.c (ftc_basic_family_compare, ftc_basic_family_init, ftc_basic_family_get_count, ftc_basic_family_load_bitmap, ftc_basic_family_load_glyph, ftc_basic_gnode_compare_faceid): Adjust parameters and return types to prototypes given in header files from include/freetype/cache. Use casts to proper types locally. (ftc_basic_image_family_class, ftc_basic_image_cache_class, ftc_basic_sbit_family_class, ftc_basic_sbit_cache_class): Remove casts. * src/cache/ftccback.h: Adjust parameters and return types to prototypes given in header files from include/freetype/cache. * src/cache/ftcimage.c (ftc_inode_free, ftc_inode_new, ftc_inode_weight): Adjust parameters and return types to prototypes given in header files from include/freetype/cache. Use casts to proper types locally. * src/cache/ftcsbits.c (ftc_snode_free, ftc_snode_new, ftc_snode_weight, ftc_snode_compare): Adjust parameters and return types to prototypes given in header files from include/freetype/cache. Use casts to proper types locally. * src/cache/ftccmap.c (ftc_cmap_node_free, ftc_cmap_node_new, ftc_cmap_node_weight, ftc_cmap_node_compare, ftc_cmap_node_remove_faceid): Adjust parameters and return types to prototypes given in header files from include/freetype/cache. Use casts to proper types locally. (ftc_cmap_cache_class): Remove casts. * src/cache/ftcglyph.c (ftc_gnode_compare, ftc_gcache_init, ftc_gcache_done): Adjust parameters and return types to prototypes given in header files from include/freetype/cache. Use casts to proper types locally. * src/cache/ftcmanag.c (ftc_size_node_done, ftc_size_node_compare, ftc_size_node_init, ftc_size_node_reset, ftc_size_node_compare_faceid, ftc_face_node_init, ftc_face_node_done, ftc_face_node_compare: Adjust parameters and return types to prototypes given in header files from include/freetype/cache. Use casts to proper types locally. (ftc_size_list_class, ftc_face_list_class): Remove casts. * src/autohint/ahmodule.c (ft_autohinter_init, ft_autohinter_done): Use FT_Module as parameter and do a cast to FT_AutoHinter locally. (autohint_module_class): Remove casts. * src/base/ftglyph.c (ft_bitmap_glyph_init, ft_bitmap_glyph_copy, ft_bitmap_glyph_done, ft_bitmap_glyph_bbox, ft_outline_glyph_init, ft_outline_glyph_done, ft_outline_glyph_copy, ft_outline_glyph_transform, ft_outline_glyph_bbox, ft_outline_glyph_prepare): Use FT_Glyph as parameter and do a cast to FT_XXXGlyph locally. Use FT_CALLBACK_DEF throughout. (ft_bitmap_glyph_class, ft_outline_glyph_class): Remove casts. * src/bdf/bdfdrivr.c (bdf_cmap_init, bdf_cmap_done, bdf_cmap_char_index, bdf_cmap_char_next): Use FT_CMap as parameter and do a cast to BDF_CMap locally. (bdf_cmap_class): Remove casts.
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FTC_CMapNode node = (FTC_CMapNode)ftcnode;
FT_Memory memory = cache->memory;
FT_FREE( node );
}
/* initialize a new cmap node */
FT_CALLBACK_DEF( FT_Error )
* src/cache/ftcbasic.c (ftc_basic_family_compare, ftc_basic_family_init, ftc_basic_family_get_count, ftc_basic_family_load_bitmap, ftc_basic_family_load_glyph, ftc_basic_gnode_compare_faceid): Adjust parameters and return types to prototypes given in header files from include/freetype/cache. Use casts to proper types locally. (ftc_basic_image_family_class, ftc_basic_image_cache_class, ftc_basic_sbit_family_class, ftc_basic_sbit_cache_class): Remove casts. * src/cache/ftccback.h: Adjust parameters and return types to prototypes given in header files from include/freetype/cache. * src/cache/ftcimage.c (ftc_inode_free, ftc_inode_new, ftc_inode_weight): Adjust parameters and return types to prototypes given in header files from include/freetype/cache. Use casts to proper types locally. * src/cache/ftcsbits.c (ftc_snode_free, ftc_snode_new, ftc_snode_weight, ftc_snode_compare): Adjust parameters and return types to prototypes given in header files from include/freetype/cache. Use casts to proper types locally. * src/cache/ftccmap.c (ftc_cmap_node_free, ftc_cmap_node_new, ftc_cmap_node_weight, ftc_cmap_node_compare, ftc_cmap_node_remove_faceid): Adjust parameters and return types to prototypes given in header files from include/freetype/cache. Use casts to proper types locally. (ftc_cmap_cache_class): Remove casts. * src/cache/ftcglyph.c (ftc_gnode_compare, ftc_gcache_init, ftc_gcache_done): Adjust parameters and return types to prototypes given in header files from include/freetype/cache. Use casts to proper types locally. * src/cache/ftcmanag.c (ftc_size_node_done, ftc_size_node_compare, ftc_size_node_init, ftc_size_node_reset, ftc_size_node_compare_faceid, ftc_face_node_init, ftc_face_node_done, ftc_face_node_compare: Adjust parameters and return types to prototypes given in header files from include/freetype/cache. Use casts to proper types locally. (ftc_size_list_class, ftc_face_list_class): Remove casts. * src/autohint/ahmodule.c (ft_autohinter_init, ft_autohinter_done): Use FT_Module as parameter and do a cast to FT_AutoHinter locally. (autohint_module_class): Remove casts. * src/base/ftglyph.c (ft_bitmap_glyph_init, ft_bitmap_glyph_copy, ft_bitmap_glyph_done, ft_bitmap_glyph_bbox, ft_outline_glyph_init, ft_outline_glyph_done, ft_outline_glyph_copy, ft_outline_glyph_transform, ft_outline_glyph_bbox, ft_outline_glyph_prepare): Use FT_Glyph as parameter and do a cast to FT_XXXGlyph locally. Use FT_CALLBACK_DEF throughout. (ft_bitmap_glyph_class, ft_outline_glyph_class): Remove casts. * src/bdf/bdfdrivr.c (bdf_cmap_init, bdf_cmap_done, bdf_cmap_char_index, bdf_cmap_char_next): Use FT_CMap as parameter and do a cast to BDF_CMap locally. (bdf_cmap_class): Remove casts.
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ftc_cmap_node_new( FTC_Node *ftcanode,
FT_Pointer ftcquery,
FTC_Cache cache )
{
* src/cache/ftcbasic.c (ftc_basic_family_compare, ftc_basic_family_init, ftc_basic_family_get_count, ftc_basic_family_load_bitmap, ftc_basic_family_load_glyph, ftc_basic_gnode_compare_faceid): Adjust parameters and return types to prototypes given in header files from include/freetype/cache. Use casts to proper types locally. (ftc_basic_image_family_class, ftc_basic_image_cache_class, ftc_basic_sbit_family_class, ftc_basic_sbit_cache_class): Remove casts. * src/cache/ftccback.h: Adjust parameters and return types to prototypes given in header files from include/freetype/cache. * src/cache/ftcimage.c (ftc_inode_free, ftc_inode_new, ftc_inode_weight): Adjust parameters and return types to prototypes given in header files from include/freetype/cache. Use casts to proper types locally. * src/cache/ftcsbits.c (ftc_snode_free, ftc_snode_new, ftc_snode_weight, ftc_snode_compare): Adjust parameters and return types to prototypes given in header files from include/freetype/cache. Use casts to proper types locally. * src/cache/ftccmap.c (ftc_cmap_node_free, ftc_cmap_node_new, ftc_cmap_node_weight, ftc_cmap_node_compare, ftc_cmap_node_remove_faceid): Adjust parameters and return types to prototypes given in header files from include/freetype/cache. Use casts to proper types locally. (ftc_cmap_cache_class): Remove casts. * src/cache/ftcglyph.c (ftc_gnode_compare, ftc_gcache_init, ftc_gcache_done): Adjust parameters and return types to prototypes given in header files from include/freetype/cache. Use casts to proper types locally. * src/cache/ftcmanag.c (ftc_size_node_done, ftc_size_node_compare, ftc_size_node_init, ftc_size_node_reset, ftc_size_node_compare_faceid, ftc_face_node_init, ftc_face_node_done, ftc_face_node_compare: Adjust parameters and return types to prototypes given in header files from include/freetype/cache. Use casts to proper types locally. (ftc_size_list_class, ftc_face_list_class): Remove casts. * src/autohint/ahmodule.c (ft_autohinter_init, ft_autohinter_done): Use FT_Module as parameter and do a cast to FT_AutoHinter locally. (autohint_module_class): Remove casts. * src/base/ftglyph.c (ft_bitmap_glyph_init, ft_bitmap_glyph_copy, ft_bitmap_glyph_done, ft_bitmap_glyph_bbox, ft_outline_glyph_init, ft_outline_glyph_done, ft_outline_glyph_copy, ft_outline_glyph_transform, ft_outline_glyph_bbox, ft_outline_glyph_prepare): Use FT_Glyph as parameter and do a cast to FT_XXXGlyph locally. Use FT_CALLBACK_DEF throughout. (ft_bitmap_glyph_class, ft_outline_glyph_class): Remove casts. * src/bdf/bdfdrivr.c (bdf_cmap_init, bdf_cmap_done, bdf_cmap_char_index, bdf_cmap_char_next): Use FT_CMap as parameter and do a cast to BDF_CMap locally. (bdf_cmap_class): Remove casts.
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FTC_CMapNode *anode = (FTC_CMapNode*)ftcanode;
FTC_CMapQuery query = (FTC_CMapQuery)ftcquery;
FT_Error error;
FT_Memory memory = cache->memory;
FTC_CMapNode node;
* src/cache/ftcbasic.c (ftc_basic_family_compare, ftc_basic_family_init, ftc_basic_family_get_count, ftc_basic_family_load_bitmap, ftc_basic_family_load_glyph, ftc_basic_gnode_compare_faceid): Adjust parameters and return types to prototypes given in header files from include/freetype/cache. Use casts to proper types locally. (ftc_basic_image_family_class, ftc_basic_image_cache_class, ftc_basic_sbit_family_class, ftc_basic_sbit_cache_class): Remove casts. * src/cache/ftccback.h: Adjust parameters and return types to prototypes given in header files from include/freetype/cache. * src/cache/ftcimage.c (ftc_inode_free, ftc_inode_new, ftc_inode_weight): Adjust parameters and return types to prototypes given in header files from include/freetype/cache. Use casts to proper types locally. * src/cache/ftcsbits.c (ftc_snode_free, ftc_snode_new, ftc_snode_weight, ftc_snode_compare): Adjust parameters and return types to prototypes given in header files from include/freetype/cache. Use casts to proper types locally. * src/cache/ftccmap.c (ftc_cmap_node_free, ftc_cmap_node_new, ftc_cmap_node_weight, ftc_cmap_node_compare, ftc_cmap_node_remove_faceid): Adjust parameters and return types to prototypes given in header files from include/freetype/cache. Use casts to proper types locally. (ftc_cmap_cache_class): Remove casts. * src/cache/ftcglyph.c (ftc_gnode_compare, ftc_gcache_init, ftc_gcache_done): Adjust parameters and return types to prototypes given in header files from include/freetype/cache. Use casts to proper types locally. * src/cache/ftcmanag.c (ftc_size_node_done, ftc_size_node_compare, ftc_size_node_init, ftc_size_node_reset, ftc_size_node_compare_faceid, ftc_face_node_init, ftc_face_node_done, ftc_face_node_compare: Adjust parameters and return types to prototypes given in header files from include/freetype/cache. Use casts to proper types locally. (ftc_size_list_class, ftc_face_list_class): Remove casts. * src/autohint/ahmodule.c (ft_autohinter_init, ft_autohinter_done): Use FT_Module as parameter and do a cast to FT_AutoHinter locally. (autohint_module_class): Remove casts. * src/base/ftglyph.c (ft_bitmap_glyph_init, ft_bitmap_glyph_copy, ft_bitmap_glyph_done, ft_bitmap_glyph_bbox, ft_outline_glyph_init, ft_outline_glyph_done, ft_outline_glyph_copy, ft_outline_glyph_transform, ft_outline_glyph_bbox, ft_outline_glyph_prepare): Use FT_Glyph as parameter and do a cast to FT_XXXGlyph locally. Use FT_CALLBACK_DEF throughout. (ft_bitmap_glyph_class, ft_outline_glyph_class): Remove casts. * src/bdf/bdfdrivr.c (bdf_cmap_init, bdf_cmap_done, bdf_cmap_char_index, bdf_cmap_char_next): Use FT_CMap as parameter and do a cast to BDF_CMap locally. (bdf_cmap_class): Remove casts.
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FT_UInt nn;
if ( !FT_QNEW( node ) )
{
node->face_id = query->face_id;
node->cmap_index = query->cmap_index;
node->first = (query->char_code / FTC_CMAP_INDICES_MAX) *
FTC_CMAP_INDICES_MAX;
for ( nn = 0; nn < FTC_CMAP_INDICES_MAX; nn++ )
node->indices[nn] = FTC_CMAP_UNKNOWN;
}
*anode = node;
return error;
}
/* compute the weight of a given cmap node */
FT_CALLBACK_DEF( FT_Offset )
* src/cache/ftcbasic.c (ftc_basic_family_compare, ftc_basic_family_init, ftc_basic_family_get_count, ftc_basic_family_load_bitmap, ftc_basic_family_load_glyph, ftc_basic_gnode_compare_faceid): Adjust parameters and return types to prototypes given in header files from include/freetype/cache. Use casts to proper types locally. (ftc_basic_image_family_class, ftc_basic_image_cache_class, ftc_basic_sbit_family_class, ftc_basic_sbit_cache_class): Remove casts. * src/cache/ftccback.h: Adjust parameters and return types to prototypes given in header files from include/freetype/cache. * src/cache/ftcimage.c (ftc_inode_free, ftc_inode_new, ftc_inode_weight): Adjust parameters and return types to prototypes given in header files from include/freetype/cache. Use casts to proper types locally. * src/cache/ftcsbits.c (ftc_snode_free, ftc_snode_new, ftc_snode_weight, ftc_snode_compare): Adjust parameters and return types to prototypes given in header files from include/freetype/cache. Use casts to proper types locally. * src/cache/ftccmap.c (ftc_cmap_node_free, ftc_cmap_node_new, ftc_cmap_node_weight, ftc_cmap_node_compare, ftc_cmap_node_remove_faceid): Adjust parameters and return types to prototypes given in header files from include/freetype/cache. Use casts to proper types locally. (ftc_cmap_cache_class): Remove casts. * src/cache/ftcglyph.c (ftc_gnode_compare, ftc_gcache_init, ftc_gcache_done): Adjust parameters and return types to prototypes given in header files from include/freetype/cache. Use casts to proper types locally. * src/cache/ftcmanag.c (ftc_size_node_done, ftc_size_node_compare, ftc_size_node_init, ftc_size_node_reset, ftc_size_node_compare_faceid, ftc_face_node_init, ftc_face_node_done, ftc_face_node_compare: Adjust parameters and return types to prototypes given in header files from include/freetype/cache. Use casts to proper types locally. (ftc_size_list_class, ftc_face_list_class): Remove casts. * src/autohint/ahmodule.c (ft_autohinter_init, ft_autohinter_done): Use FT_Module as parameter and do a cast to FT_AutoHinter locally. (autohint_module_class): Remove casts. * src/base/ftglyph.c (ft_bitmap_glyph_init, ft_bitmap_glyph_copy, ft_bitmap_glyph_done, ft_bitmap_glyph_bbox, ft_outline_glyph_init, ft_outline_glyph_done, ft_outline_glyph_copy, ft_outline_glyph_transform, ft_outline_glyph_bbox, ft_outline_glyph_prepare): Use FT_Glyph as parameter and do a cast to FT_XXXGlyph locally. Use FT_CALLBACK_DEF throughout. (ft_bitmap_glyph_class, ft_outline_glyph_class): Remove casts. * src/bdf/bdfdrivr.c (bdf_cmap_init, bdf_cmap_done, bdf_cmap_char_index, bdf_cmap_char_next): Use FT_CMap as parameter and do a cast to BDF_CMap locally. (bdf_cmap_class): Remove casts.
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ftc_cmap_node_weight( FTC_Node cnode,
FTC_Cache cache )
{
FT_UNUSED( cnode );
* src/cache/ftcbasic.c (ftc_basic_family_compare, ftc_basic_family_init, ftc_basic_family_get_count, ftc_basic_family_load_bitmap, ftc_basic_family_load_glyph, ftc_basic_gnode_compare_faceid): Adjust parameters and return types to prototypes given in header files from include/freetype/cache. Use casts to proper types locally. (ftc_basic_image_family_class, ftc_basic_image_cache_class, ftc_basic_sbit_family_class, ftc_basic_sbit_cache_class): Remove casts. * src/cache/ftccback.h: Adjust parameters and return types to prototypes given in header files from include/freetype/cache. * src/cache/ftcimage.c (ftc_inode_free, ftc_inode_new, ftc_inode_weight): Adjust parameters and return types to prototypes given in header files from include/freetype/cache. Use casts to proper types locally. * src/cache/ftcsbits.c (ftc_snode_free, ftc_snode_new, ftc_snode_weight, ftc_snode_compare): Adjust parameters and return types to prototypes given in header files from include/freetype/cache. Use casts to proper types locally. * src/cache/ftccmap.c (ftc_cmap_node_free, ftc_cmap_node_new, ftc_cmap_node_weight, ftc_cmap_node_compare, ftc_cmap_node_remove_faceid): Adjust parameters and return types to prototypes given in header files from include/freetype/cache. Use casts to proper types locally. (ftc_cmap_cache_class): Remove casts. * src/cache/ftcglyph.c (ftc_gnode_compare, ftc_gcache_init, ftc_gcache_done): Adjust parameters and return types to prototypes given in header files from include/freetype/cache. Use casts to proper types locally. * src/cache/ftcmanag.c (ftc_size_node_done, ftc_size_node_compare, ftc_size_node_init, ftc_size_node_reset, ftc_size_node_compare_faceid, ftc_face_node_init, ftc_face_node_done, ftc_face_node_compare: Adjust parameters and return types to prototypes given in header files from include/freetype/cache. Use casts to proper types locally. (ftc_size_list_class, ftc_face_list_class): Remove casts. * src/autohint/ahmodule.c (ft_autohinter_init, ft_autohinter_done): Use FT_Module as parameter and do a cast to FT_AutoHinter locally. (autohint_module_class): Remove casts. * src/base/ftglyph.c (ft_bitmap_glyph_init, ft_bitmap_glyph_copy, ft_bitmap_glyph_done, ft_bitmap_glyph_bbox, ft_outline_glyph_init, ft_outline_glyph_done, ft_outline_glyph_copy, ft_outline_glyph_transform, ft_outline_glyph_bbox, ft_outline_glyph_prepare): Use FT_Glyph as parameter and do a cast to FT_XXXGlyph locally. Use FT_CALLBACK_DEF throughout. (ft_bitmap_glyph_class, ft_outline_glyph_class): Remove casts. * src/bdf/bdfdrivr.c (bdf_cmap_init, bdf_cmap_done, bdf_cmap_char_index, bdf_cmap_char_next): Use FT_CMap as parameter and do a cast to BDF_CMap locally. (bdf_cmap_class): Remove casts.
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FT_UNUSED( cache );
return sizeof ( *cnode );
}
/* compare a cmap node to a given query */
FT_CALLBACK_DEF( FT_Bool )
* src/cache/ftcbasic.c (ftc_basic_family_compare, ftc_basic_family_init, ftc_basic_family_get_count, ftc_basic_family_load_bitmap, ftc_basic_family_load_glyph, ftc_basic_gnode_compare_faceid): Adjust parameters and return types to prototypes given in header files from include/freetype/cache. Use casts to proper types locally. (ftc_basic_image_family_class, ftc_basic_image_cache_class, ftc_basic_sbit_family_class, ftc_basic_sbit_cache_class): Remove casts. * src/cache/ftccback.h: Adjust parameters and return types to prototypes given in header files from include/freetype/cache. * src/cache/ftcimage.c (ftc_inode_free, ftc_inode_new, ftc_inode_weight): Adjust parameters and return types to prototypes given in header files from include/freetype/cache. Use casts to proper types locally. * src/cache/ftcsbits.c (ftc_snode_free, ftc_snode_new, ftc_snode_weight, ftc_snode_compare): Adjust parameters and return types to prototypes given in header files from include/freetype/cache. Use casts to proper types locally. * src/cache/ftccmap.c (ftc_cmap_node_free, ftc_cmap_node_new, ftc_cmap_node_weight, ftc_cmap_node_compare, ftc_cmap_node_remove_faceid): Adjust parameters and return types to prototypes given in header files from include/freetype/cache. Use casts to proper types locally. (ftc_cmap_cache_class): Remove casts. * src/cache/ftcglyph.c (ftc_gnode_compare, ftc_gcache_init, ftc_gcache_done): Adjust parameters and return types to prototypes given in header files from include/freetype/cache. Use casts to proper types locally. * src/cache/ftcmanag.c (ftc_size_node_done, ftc_size_node_compare, ftc_size_node_init, ftc_size_node_reset, ftc_size_node_compare_faceid, ftc_face_node_init, ftc_face_node_done, ftc_face_node_compare: Adjust parameters and return types to prototypes given in header files from include/freetype/cache. Use casts to proper types locally. (ftc_size_list_class, ftc_face_list_class): Remove casts. * src/autohint/ahmodule.c (ft_autohinter_init, ft_autohinter_done): Use FT_Module as parameter and do a cast to FT_AutoHinter locally. (autohint_module_class): Remove casts. * src/base/ftglyph.c (ft_bitmap_glyph_init, ft_bitmap_glyph_copy, ft_bitmap_glyph_done, ft_bitmap_glyph_bbox, ft_outline_glyph_init, ft_outline_glyph_done, ft_outline_glyph_copy, ft_outline_glyph_transform, ft_outline_glyph_bbox, ft_outline_glyph_prepare): Use FT_Glyph as parameter and do a cast to FT_XXXGlyph locally. Use FT_CALLBACK_DEF throughout. (ft_bitmap_glyph_class, ft_outline_glyph_class): Remove casts. * src/bdf/bdfdrivr.c (bdf_cmap_init, bdf_cmap_done, bdf_cmap_char_index, bdf_cmap_char_next): Use FT_CMap as parameter and do a cast to BDF_CMap locally. (bdf_cmap_class): Remove casts.
2004-05-17 11:25:04 +02:00
ftc_cmap_node_compare( FTC_Node ftcnode,
FT_Pointer ftcquery,
[cache] Notice if a cache query induced the node list change. Some node comparators (comparing the cache node content and the properties specified by the query) can flush the cache node to prevent the cache inflation. The change may invalidate the pointers to the node obtained before the node comparison, so the change should be noticed to the caller. The problem caused by the cache node changing is reported by Harsha, see Savannah bug #31923. * src/cache/ftccache.h (FTC_Node_CompareFunc): Add new argument `FT_Bool* list_changed' to indicate the change of the cached nodes to the caller. (FTC_CACHE_LOOKUP_CMP): Watch the change of the cached nodes by `_list_changed'. (FTC_CACHE_TRYLOOP_END): Take new macro argument `_list_changed' and update it when FTC_Manager_FlushN() flushes any nodes. * src/cache/ftccback.h (ftc_snode_compare): Updated to fit with new FTC_Node_CompareFunc type. (ftc_gnode_compare): Ditto. * src/cache/ftcbasic.c: Include FT_INTERNAL_OBJECTS_H to use TRUE/FALSE macros. (ftc_basic_gnode_compare_faceid): New argument `FT_Bool* list_changed' to indicate the change of the cache nodes, anyway, it is always FALSE. * src/cache/ftccmap.c: Include FT_INTERNAL_OBJECTS_H to use TRUE/FALSE macros. (ftc_cmap_node_compare): New argument `FT_Bool* list_changed' to indicate the change of the cache nodes, anyway, it is always FALSE. (ftc_cmap_node_remove_faceid): Ditto. * src/cache/ftccache.c (FTC_Cache_NewNode): Pass a NULL pointer to FTC_CACHE_TRYLOOP_END(), because the result is not needed. (FTC_Cache_Lookup): Watch the change of the cache nodes by `list_changed'. (FTC_Cache_RemoveFaceID): Ditto. * src/cache/ftcglyph.c: Include FT_INTERNAL_OBJECTS_H to use TRUE/FALSE macros. (ftc_gnode_compare): New argument `FT_Bool* list_changed' to indicate the change of the cache nodes, anyway, it is always FALSE. (FTC_GNode_Compare): New argument `FT_Bool* list_changed' to be passed to ftc_gnode_compare(). * src/cache/ftcglyph.h (FTC_GNode_Compare): Ditto. * src/cache/ftcsbits.c (ftc_snode_compare): New argument `FT_Bool* list_changed' to indicate the change of the cache nodes, anyway. It is updated by FTC_CACHE_TRYLOOP(). (FTC_SNode_Compare): New argument `FT_Bool* list_changed' to be passed to ftc_snode_compare(). * src/cache/ftcsbits.h (FTC_SNode_Compare): Ditto.
2011-01-09 14:49:07 +01:00
FTC_Cache cache,
FT_Bool* list_changed )
{
* src/cache/ftcbasic.c (ftc_basic_family_compare, ftc_basic_family_init, ftc_basic_family_get_count, ftc_basic_family_load_bitmap, ftc_basic_family_load_glyph, ftc_basic_gnode_compare_faceid): Adjust parameters and return types to prototypes given in header files from include/freetype/cache. Use casts to proper types locally. (ftc_basic_image_family_class, ftc_basic_image_cache_class, ftc_basic_sbit_family_class, ftc_basic_sbit_cache_class): Remove casts. * src/cache/ftccback.h: Adjust parameters and return types to prototypes given in header files from include/freetype/cache. * src/cache/ftcimage.c (ftc_inode_free, ftc_inode_new, ftc_inode_weight): Adjust parameters and return types to prototypes given in header files from include/freetype/cache. Use casts to proper types locally. * src/cache/ftcsbits.c (ftc_snode_free, ftc_snode_new, ftc_snode_weight, ftc_snode_compare): Adjust parameters and return types to prototypes given in header files from include/freetype/cache. Use casts to proper types locally. * src/cache/ftccmap.c (ftc_cmap_node_free, ftc_cmap_node_new, ftc_cmap_node_weight, ftc_cmap_node_compare, ftc_cmap_node_remove_faceid): Adjust parameters and return types to prototypes given in header files from include/freetype/cache. Use casts to proper types locally. (ftc_cmap_cache_class): Remove casts. * src/cache/ftcglyph.c (ftc_gnode_compare, ftc_gcache_init, ftc_gcache_done): Adjust parameters and return types to prototypes given in header files from include/freetype/cache. Use casts to proper types locally. * src/cache/ftcmanag.c (ftc_size_node_done, ftc_size_node_compare, ftc_size_node_init, ftc_size_node_reset, ftc_size_node_compare_faceid, ftc_face_node_init, ftc_face_node_done, ftc_face_node_compare: Adjust parameters and return types to prototypes given in header files from include/freetype/cache. Use casts to proper types locally. (ftc_size_list_class, ftc_face_list_class): Remove casts. * src/autohint/ahmodule.c (ft_autohinter_init, ft_autohinter_done): Use FT_Module as parameter and do a cast to FT_AutoHinter locally. (autohint_module_class): Remove casts. * src/base/ftglyph.c (ft_bitmap_glyph_init, ft_bitmap_glyph_copy, ft_bitmap_glyph_done, ft_bitmap_glyph_bbox, ft_outline_glyph_init, ft_outline_glyph_done, ft_outline_glyph_copy, ft_outline_glyph_transform, ft_outline_glyph_bbox, ft_outline_glyph_prepare): Use FT_Glyph as parameter and do a cast to FT_XXXGlyph locally. Use FT_CALLBACK_DEF throughout. (ft_bitmap_glyph_class, ft_outline_glyph_class): Remove casts. * src/bdf/bdfdrivr.c (bdf_cmap_init, bdf_cmap_done, bdf_cmap_char_index, bdf_cmap_char_next): Use FT_CMap as parameter and do a cast to BDF_CMap locally. (bdf_cmap_class): Remove casts.
2004-05-17 11:25:04 +02:00
FTC_CMapNode node = (FTC_CMapNode)ftcnode;
FTC_CMapQuery query = (FTC_CMapQuery)ftcquery;
FT_UNUSED( cache );
[cache] Notice if a cache query induced the node list change. Some node comparators (comparing the cache node content and the properties specified by the query) can flush the cache node to prevent the cache inflation. The change may invalidate the pointers to the node obtained before the node comparison, so the change should be noticed to the caller. The problem caused by the cache node changing is reported by Harsha, see Savannah bug #31923. * src/cache/ftccache.h (FTC_Node_CompareFunc): Add new argument `FT_Bool* list_changed' to indicate the change of the cached nodes to the caller. (FTC_CACHE_LOOKUP_CMP): Watch the change of the cached nodes by `_list_changed'. (FTC_CACHE_TRYLOOP_END): Take new macro argument `_list_changed' and update it when FTC_Manager_FlushN() flushes any nodes. * src/cache/ftccback.h (ftc_snode_compare): Updated to fit with new FTC_Node_CompareFunc type. (ftc_gnode_compare): Ditto. * src/cache/ftcbasic.c: Include FT_INTERNAL_OBJECTS_H to use TRUE/FALSE macros. (ftc_basic_gnode_compare_faceid): New argument `FT_Bool* list_changed' to indicate the change of the cache nodes, anyway, it is always FALSE. * src/cache/ftccmap.c: Include FT_INTERNAL_OBJECTS_H to use TRUE/FALSE macros. (ftc_cmap_node_compare): New argument `FT_Bool* list_changed' to indicate the change of the cache nodes, anyway, it is always FALSE. (ftc_cmap_node_remove_faceid): Ditto. * src/cache/ftccache.c (FTC_Cache_NewNode): Pass a NULL pointer to FTC_CACHE_TRYLOOP_END(), because the result is not needed. (FTC_Cache_Lookup): Watch the change of the cache nodes by `list_changed'. (FTC_Cache_RemoveFaceID): Ditto. * src/cache/ftcglyph.c: Include FT_INTERNAL_OBJECTS_H to use TRUE/FALSE macros. (ftc_gnode_compare): New argument `FT_Bool* list_changed' to indicate the change of the cache nodes, anyway, it is always FALSE. (FTC_GNode_Compare): New argument `FT_Bool* list_changed' to be passed to ftc_gnode_compare(). * src/cache/ftcglyph.h (FTC_GNode_Compare): Ditto. * src/cache/ftcsbits.c (ftc_snode_compare): New argument `FT_Bool* list_changed' to indicate the change of the cache nodes, anyway. It is updated by FTC_CACHE_TRYLOOP(). (FTC_SNode_Compare): New argument `FT_Bool* list_changed' to be passed to ftc_snode_compare(). * src/cache/ftcsbits.h (FTC_SNode_Compare): Ditto.
2011-01-09 14:49:07 +01:00
if ( list_changed )
*list_changed = FALSE;
if ( node->face_id == query->face_id &&
node->cmap_index == query->cmap_index )
{
FT_UInt32 offset = (FT_UInt32)( query->char_code - node->first );
return FT_BOOL( offset < FTC_CMAP_INDICES_MAX );
}
return 0;
}
FT_CALLBACK_DEF( FT_Bool )
* src/cache/ftcbasic.c (ftc_basic_family_compare, ftc_basic_family_init, ftc_basic_family_get_count, ftc_basic_family_load_bitmap, ftc_basic_family_load_glyph, ftc_basic_gnode_compare_faceid): Adjust parameters and return types to prototypes given in header files from include/freetype/cache. Use casts to proper types locally. (ftc_basic_image_family_class, ftc_basic_image_cache_class, ftc_basic_sbit_family_class, ftc_basic_sbit_cache_class): Remove casts. * src/cache/ftccback.h: Adjust parameters and return types to prototypes given in header files from include/freetype/cache. * src/cache/ftcimage.c (ftc_inode_free, ftc_inode_new, ftc_inode_weight): Adjust parameters and return types to prototypes given in header files from include/freetype/cache. Use casts to proper types locally. * src/cache/ftcsbits.c (ftc_snode_free, ftc_snode_new, ftc_snode_weight, ftc_snode_compare): Adjust parameters and return types to prototypes given in header files from include/freetype/cache. Use casts to proper types locally. * src/cache/ftccmap.c (ftc_cmap_node_free, ftc_cmap_node_new, ftc_cmap_node_weight, ftc_cmap_node_compare, ftc_cmap_node_remove_faceid): Adjust parameters and return types to prototypes given in header files from include/freetype/cache. Use casts to proper types locally. (ftc_cmap_cache_class): Remove casts. * src/cache/ftcglyph.c (ftc_gnode_compare, ftc_gcache_init, ftc_gcache_done): Adjust parameters and return types to prototypes given in header files from include/freetype/cache. Use casts to proper types locally. * src/cache/ftcmanag.c (ftc_size_node_done, ftc_size_node_compare, ftc_size_node_init, ftc_size_node_reset, ftc_size_node_compare_faceid, ftc_face_node_init, ftc_face_node_done, ftc_face_node_compare: Adjust parameters and return types to prototypes given in header files from include/freetype/cache. Use casts to proper types locally. (ftc_size_list_class, ftc_face_list_class): Remove casts. * src/autohint/ahmodule.c (ft_autohinter_init, ft_autohinter_done): Use FT_Module as parameter and do a cast to FT_AutoHinter locally. (autohint_module_class): Remove casts. * src/base/ftglyph.c (ft_bitmap_glyph_init, ft_bitmap_glyph_copy, ft_bitmap_glyph_done, ft_bitmap_glyph_bbox, ft_outline_glyph_init, ft_outline_glyph_done, ft_outline_glyph_copy, ft_outline_glyph_transform, ft_outline_glyph_bbox, ft_outline_glyph_prepare): Use FT_Glyph as parameter and do a cast to FT_XXXGlyph locally. Use FT_CALLBACK_DEF throughout. (ft_bitmap_glyph_class, ft_outline_glyph_class): Remove casts. * src/bdf/bdfdrivr.c (bdf_cmap_init, bdf_cmap_done, bdf_cmap_char_index, bdf_cmap_char_next): Use FT_CMap as parameter and do a cast to BDF_CMap locally. (bdf_cmap_class): Remove casts.
2004-05-17 11:25:04 +02:00
ftc_cmap_node_remove_faceid( FTC_Node ftcnode,
FT_Pointer ftcface_id,
[cache] Notice if a cache query induced the node list change. Some node comparators (comparing the cache node content and the properties specified by the query) can flush the cache node to prevent the cache inflation. The change may invalidate the pointers to the node obtained before the node comparison, so the change should be noticed to the caller. The problem caused by the cache node changing is reported by Harsha, see Savannah bug #31923. * src/cache/ftccache.h (FTC_Node_CompareFunc): Add new argument `FT_Bool* list_changed' to indicate the change of the cached nodes to the caller. (FTC_CACHE_LOOKUP_CMP): Watch the change of the cached nodes by `_list_changed'. (FTC_CACHE_TRYLOOP_END): Take new macro argument `_list_changed' and update it when FTC_Manager_FlushN() flushes any nodes. * src/cache/ftccback.h (ftc_snode_compare): Updated to fit with new FTC_Node_CompareFunc type. (ftc_gnode_compare): Ditto. * src/cache/ftcbasic.c: Include FT_INTERNAL_OBJECTS_H to use TRUE/FALSE macros. (ftc_basic_gnode_compare_faceid): New argument `FT_Bool* list_changed' to indicate the change of the cache nodes, anyway, it is always FALSE. * src/cache/ftccmap.c: Include FT_INTERNAL_OBJECTS_H to use TRUE/FALSE macros. (ftc_cmap_node_compare): New argument `FT_Bool* list_changed' to indicate the change of the cache nodes, anyway, it is always FALSE. (ftc_cmap_node_remove_faceid): Ditto. * src/cache/ftccache.c (FTC_Cache_NewNode): Pass a NULL pointer to FTC_CACHE_TRYLOOP_END(), because the result is not needed. (FTC_Cache_Lookup): Watch the change of the cache nodes by `list_changed'. (FTC_Cache_RemoveFaceID): Ditto. * src/cache/ftcglyph.c: Include FT_INTERNAL_OBJECTS_H to use TRUE/FALSE macros. (ftc_gnode_compare): New argument `FT_Bool* list_changed' to indicate the change of the cache nodes, anyway, it is always FALSE. (FTC_GNode_Compare): New argument `FT_Bool* list_changed' to be passed to ftc_gnode_compare(). * src/cache/ftcglyph.h (FTC_GNode_Compare): Ditto. * src/cache/ftcsbits.c (ftc_snode_compare): New argument `FT_Bool* list_changed' to indicate the change of the cache nodes, anyway. It is updated by FTC_CACHE_TRYLOOP(). (FTC_SNode_Compare): New argument `FT_Bool* list_changed' to be passed to ftc_snode_compare(). * src/cache/ftcsbits.h (FTC_SNode_Compare): Ditto.
2011-01-09 14:49:07 +01:00
FTC_Cache cache,
FT_Bool* list_changed )
{
* src/cache/ftcbasic.c (ftc_basic_family_compare, ftc_basic_family_init, ftc_basic_family_get_count, ftc_basic_family_load_bitmap, ftc_basic_family_load_glyph, ftc_basic_gnode_compare_faceid): Adjust parameters and return types to prototypes given in header files from include/freetype/cache. Use casts to proper types locally. (ftc_basic_image_family_class, ftc_basic_image_cache_class, ftc_basic_sbit_family_class, ftc_basic_sbit_cache_class): Remove casts. * src/cache/ftccback.h: Adjust parameters and return types to prototypes given in header files from include/freetype/cache. * src/cache/ftcimage.c (ftc_inode_free, ftc_inode_new, ftc_inode_weight): Adjust parameters and return types to prototypes given in header files from include/freetype/cache. Use casts to proper types locally. * src/cache/ftcsbits.c (ftc_snode_free, ftc_snode_new, ftc_snode_weight, ftc_snode_compare): Adjust parameters and return types to prototypes given in header files from include/freetype/cache. Use casts to proper types locally. * src/cache/ftccmap.c (ftc_cmap_node_free, ftc_cmap_node_new, ftc_cmap_node_weight, ftc_cmap_node_compare, ftc_cmap_node_remove_faceid): Adjust parameters and return types to prototypes given in header files from include/freetype/cache. Use casts to proper types locally. (ftc_cmap_cache_class): Remove casts. * src/cache/ftcglyph.c (ftc_gnode_compare, ftc_gcache_init, ftc_gcache_done): Adjust parameters and return types to prototypes given in header files from include/freetype/cache. Use casts to proper types locally. * src/cache/ftcmanag.c (ftc_size_node_done, ftc_size_node_compare, ftc_size_node_init, ftc_size_node_reset, ftc_size_node_compare_faceid, ftc_face_node_init, ftc_face_node_done, ftc_face_node_compare: Adjust parameters and return types to prototypes given in header files from include/freetype/cache. Use casts to proper types locally. (ftc_size_list_class, ftc_face_list_class): Remove casts. * src/autohint/ahmodule.c (ft_autohinter_init, ft_autohinter_done): Use FT_Module as parameter and do a cast to FT_AutoHinter locally. (autohint_module_class): Remove casts. * src/base/ftglyph.c (ft_bitmap_glyph_init, ft_bitmap_glyph_copy, ft_bitmap_glyph_done, ft_bitmap_glyph_bbox, ft_outline_glyph_init, ft_outline_glyph_done, ft_outline_glyph_copy, ft_outline_glyph_transform, ft_outline_glyph_bbox, ft_outline_glyph_prepare): Use FT_Glyph as parameter and do a cast to FT_XXXGlyph locally. Use FT_CALLBACK_DEF throughout. (ft_bitmap_glyph_class, ft_outline_glyph_class): Remove casts. * src/bdf/bdfdrivr.c (bdf_cmap_init, bdf_cmap_done, bdf_cmap_char_index, bdf_cmap_char_next): Use FT_CMap as parameter and do a cast to BDF_CMap locally. (bdf_cmap_class): Remove casts.
2004-05-17 11:25:04 +02:00
FTC_CMapNode node = (FTC_CMapNode)ftcnode;
FTC_FaceID face_id = (FTC_FaceID)ftcface_id;
FT_UNUSED( cache );
2011-01-13 10:33:04 +01:00
[cache] Notice if a cache query induced the node list change. Some node comparators (comparing the cache node content and the properties specified by the query) can flush the cache node to prevent the cache inflation. The change may invalidate the pointers to the node obtained before the node comparison, so the change should be noticed to the caller. The problem caused by the cache node changing is reported by Harsha, see Savannah bug #31923. * src/cache/ftccache.h (FTC_Node_CompareFunc): Add new argument `FT_Bool* list_changed' to indicate the change of the cached nodes to the caller. (FTC_CACHE_LOOKUP_CMP): Watch the change of the cached nodes by `_list_changed'. (FTC_CACHE_TRYLOOP_END): Take new macro argument `_list_changed' and update it when FTC_Manager_FlushN() flushes any nodes. * src/cache/ftccback.h (ftc_snode_compare): Updated to fit with new FTC_Node_CompareFunc type. (ftc_gnode_compare): Ditto. * src/cache/ftcbasic.c: Include FT_INTERNAL_OBJECTS_H to use TRUE/FALSE macros. (ftc_basic_gnode_compare_faceid): New argument `FT_Bool* list_changed' to indicate the change of the cache nodes, anyway, it is always FALSE. * src/cache/ftccmap.c: Include FT_INTERNAL_OBJECTS_H to use TRUE/FALSE macros. (ftc_cmap_node_compare): New argument `FT_Bool* list_changed' to indicate the change of the cache nodes, anyway, it is always FALSE. (ftc_cmap_node_remove_faceid): Ditto. * src/cache/ftccache.c (FTC_Cache_NewNode): Pass a NULL pointer to FTC_CACHE_TRYLOOP_END(), because the result is not needed. (FTC_Cache_Lookup): Watch the change of the cache nodes by `list_changed'. (FTC_Cache_RemoveFaceID): Ditto. * src/cache/ftcglyph.c: Include FT_INTERNAL_OBJECTS_H to use TRUE/FALSE macros. (ftc_gnode_compare): New argument `FT_Bool* list_changed' to indicate the change of the cache nodes, anyway, it is always FALSE. (FTC_GNode_Compare): New argument `FT_Bool* list_changed' to be passed to ftc_gnode_compare(). * src/cache/ftcglyph.h (FTC_GNode_Compare): Ditto. * src/cache/ftcsbits.c (ftc_snode_compare): New argument `FT_Bool* list_changed' to indicate the change of the cache nodes, anyway. It is updated by FTC_CACHE_TRYLOOP(). (FTC_SNode_Compare): New argument `FT_Bool* list_changed' to be passed to ftc_snode_compare(). * src/cache/ftcsbits.h (FTC_SNode_Compare): Ditto.
2011-01-09 14:49:07 +01:00
if ( list_changed )
*list_changed = FALSE;
return FT_BOOL( node->face_id == face_id );
}
/*************************************************************************/
/*************************************************************************/
/***** *****/
/***** GLYPH IMAGE CACHE *****/
/***** *****/
/*************************************************************************/
/*************************************************************************/
static
const FTC_CacheClassRec ftc_cmap_cache_class =
{
ftc_cmap_node_new, /* FTC_Node_NewFunc node_new */
ftc_cmap_node_weight, /* FTC_Node_WeightFunc node_weight */
ftc_cmap_node_compare, /* FTC_Node_CompareFunc node_compare */
ftc_cmap_node_remove_faceid, /* FTC_Node_CompareFunc node_remove_faceid */
ftc_cmap_node_free, /* FTC_Node_FreeFunc node_free */
sizeof ( FTC_CacheRec ),
ftc_cache_init, /* FTC_Cache_InitFunc cache_init */
ftc_cache_done, /* FTC_Cache_DoneFunc cache_done */
};
/* documentation is in ftcache.h */
FT_EXPORT_DEF( FT_Error )
FTC_CMapCache_New( FTC_Manager manager,
FTC_CMapCache *acache )
{
return FTC_Manager_RegisterCache( manager,
&ftc_cmap_cache_class,
FTC_CACHE_P( acache ) );
}
/* documentation is in ftcache.h */
FT_EXPORT_DEF( FT_UInt )
FTC_CMapCache_Lookup( FTC_CMapCache cmap_cache,
FTC_FaceID face_id,
FT_Int cmap_index,
FT_UInt32 char_code )
{
FTC_Cache cache = FTC_CACHE( cmap_cache );
FTC_CMapQueryRec query;
FTC_Node node;
FT_Error error;
FT_UInt gindex = 0;
FT_Offset hash;
FT_Int no_cmap_change = 0;
if ( cmap_index < 0 )
{
/* Treat a negative cmap index as a special value, meaning that you */
/* don't want to change the FT_Face's character map through this */
/* call. This can be useful if the face requester callback already */
/* sets the face's charmap to the appropriate value. */
no_cmap_change = 1;
cmap_index = 0;
}
if ( !cache )
{
FT_TRACE0(( "FTC_CMapCache_Lookup: bad arguments, returning 0\n" ));
return 0;
}
query.face_id = face_id;
query.cmap_index = (FT_UInt)cmap_index;
query.char_code = char_code;
hash = FTC_CMAP_HASH( face_id, (FT_UInt)cmap_index, char_code );
#if 1
FTC_CACHE_LOOKUP_CMP( cache, ftc_cmap_node_compare, hash, &query,
node, error );
#else
error = FTC_Cache_Lookup( cache, hash, &query, &node );
#endif
if ( error )
goto Exit;
FT_ASSERT( char_code - FTC_CMAP_NODE( node )->first <
FTC_CMAP_INDICES_MAX );
2006-02-24 00:03:39 +01:00
/* something rotten can happen with rogue clients */
if ( char_code - FTC_CMAP_NODE( node )->first >= FTC_CMAP_INDICES_MAX )
return 0; /* XXX: should return appropriate error */
2006-02-24 00:03:39 +01:00
2009-09-28 20:19:47 +02:00
gindex = FTC_CMAP_NODE( node )->indices[char_code -
FTC_CMAP_NODE( node )->first];
if ( gindex == FTC_CMAP_UNKNOWN )
{
FT_Face face;
gindex = 0;
2009-09-28 20:19:47 +02:00
error = FTC_Manager_LookupFace( cache->manager,
FTC_CMAP_NODE( node )->face_id,
&face );
if ( error )
goto Exit;
if ( (FT_UInt)cmap_index < (FT_UInt)face->num_charmaps )
{
FT_CharMap old, cmap = NULL;
old = face->charmap;
cmap = face->charmaps[cmap_index];
if ( old != cmap && !no_cmap_change )
FT_Set_Charmap( face, cmap );
gindex = FT_Get_Char_Index( face, char_code );
if ( old != cmap && !no_cmap_change )
FT_Set_Charmap( face, old );
}
2009-09-28 20:19:47 +02:00
FTC_CMAP_NODE( node )->indices[char_code -
FTC_CMAP_NODE( node )->first]
= (FT_UShort)gindex;
}
Exit:
return gindex;
}
/* END */