pangofc-private.h

GTK+-2.0源码之pango-1.15.6.tar.gz

/* Pango
 * pangofc-private.h: Private routines and declarations for generic
 *  fontconfig operation
 *
 * Copyright (C) 2003 Red Hat Software
 *
 * 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 __PANGOFC_PRIVATE_H__
#define __PANGOFC_PRIVATE_H__

#include <pangofc-fontmap.h>

G_BEGIN_DECLS

typedef struct _PangoFcMetricsInfo  PangoFcMetricsInfo;

struct _PangoFcMetricsInfo
{
  const char       *sample_str;
  PangoFontMetrics *metrics;
};

#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))

#define PANGO_FC_GRAVITY "pangogravity"

void _pango_fc_font_shutdown (PangoFcFont *fcfont);

void           _pango_fc_font_map_remove          (PangoFcFontMap *fcfontmap,
						   PangoFcFont    *fcfont);
PangoCoverage *_pango_fc_font_map_get_coverage    (PangoFcFontMap *fcfontmap,
						   PangoFcFont    *fcfont);
PangoCoverage  *_pango_fc_font_map_fc_to_coverage (FcCharSet      *charset);

PangoFcDecoder *_pango_fc_font_get_decoder       (PangoFcFont    *font);
void            _pango_fc_font_set_decoder       (PangoFcFont    *font,
						  PangoFcDecoder *decoder);

gpointer        _pango_fc_font_get_context_key   (PangoFcFont    *font);
void            _pango_fc_font_set_context_key   (PangoFcFont    *font,
						  gpointer        context_key);

void            pango_fc_font_get_raw_extents    (PangoFcFont    *font,
						  FT_Int32        load_flags,
						  PangoGlyph      glyph,
						  PangoRectangle *ink_rect,
						  PangoRectangle *logical_rect);

PangoFontMetrics *pango_fc_font_create_metrics_for_context (PangoFcFont   *font,
							    PangoContext  *context);

G_END_DECLS

#endif /* __PANGOFC_PRIVATE_H__ */