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/* Pango
* pangoft2-private.h:
*
* Copyright (C) 1999 Red Hat Software
* Copyright (C) 2000 Tor Lillqvist
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __PANGOFT2_PRIVATE_H__
#define __PANGOFT2_PRIVATE_H__
#include "pango-modules.h"
#include "pangoft2.h"
/* Debugging... */
/*#define DEBUGGING 1*/
#if defined(DEBUGGING) && DEBUGGING
#ifdef __GNUC__
#define PING(printlist) \
(g_print ("%s:%d ", __PRETTY_FUNCTION__, __LINE__), \
g_print printlist, \
g_print ("\n"))
#else
#define PING(printlist) \
(g_print ("%s:%d ", __FILE__, __LINE__), \
g_print printlist, \
g_print ("\n"))
#endif
#else /* !DEBUGGING */
#define PING(printlist)
#endif
#define PANGO_SCALE_26_6 (PANGO_SCALE / (1<<6))
#define PANGO_PIXELS_26_6(d) \
(((d) >= 0) ? \
((d) + PANGO_SCALE_26_6 / 2) / PANGO_SCALE_26_6 : \
((d) - PANGO_SCALE_26_6 / 2) / PANGO_SCALE_26_6)
#define PANGO_UNITS_26_6(d) (PANGO_SCALE_26_6 * (d))
typedef struct _PangoFT2OA PangoFT2OA;
typedef struct _PangoFT2Font PangoFT2Font;
typedef struct _PangoFT2GlyphInfo PangoFT2GlyphInfo;
typedef struct _PangoFT2FontEntry PangoFT2FontEntry;
typedef struct _PangoFT2SubfontInfo PangoFT2SubfontInfo;
struct _PangoFT2OA
{
FT_Open_Args *open_args;
FT_Long face_index;
};
struct _PangoFT2Font
{
PangoFont font;
/* A PangoFT2Font consists of one or several FT2 fonts (faces) that
* are assumed to blend visually well, and cover separate parts of
* the Unicode characters. The FT2 faces are not kept unnecessarily
* open, thus also we keep both the FT_Open_Args (and face index),
* and FT_Face.
*/
PangoFT2OA **oa;
FT_Face *faces;
int n_fonts;
int size;
GSList *metrics_by_lang;
PangoFontMap *fontmap;
/* If TRUE, font is in cache of recently unused fonts and not otherwise
* in use.
*/
gboolean in_cache;
PangoFT2FontEntry *entry;
GHashTable *glyph_info;
};
struct _PangoFT2GlyphInfo
{
PangoRectangle logical_rect;
PangoRectangle ink_rect;
};
struct _PangoFT2FontEntry
{
FT_Open_Args **open_args;
FT_Long *face_indices;
int n_fonts;
PangoFontDescription description;
PangoCoverage *coverage;
GSList *cached_fonts;
};
PangoMap *pango_ft2_get_shaper_map (const char *lang);
PangoCoverage *pango_ft2_font_entry_get_coverage (PangoFT2FontEntry *entry,
PangoFont *font,
const char *lang);
void pango_ft2_font_entry_remove (PangoFT2FontEntry *entry,
PangoFont *font);
FT_Library *pango_ft2_fontmap_get_library (PangoFontMap *fontmap);
void pango_ft2_fontmap_cache_add (PangoFontMap *fontmap,
PangoFT2Font *ft2font);
void pango_ft2_fontmap_cache_remove (PangoFontMap *fontmap,
PangoFT2Font *ft2font);
const char *pango_ft2_ft_strerror (FT_Error error);
#endif /* __PANGOFT2_PRIVATE_H__ */
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