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Diffstat (limited to 'pango/pangoft2-private.h')
-rw-r--r-- | pango/pangoft2-private.h | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/pango/pangoft2-private.h b/pango/pangoft2-private.h new file mode 100644 index 00000000..92b1c053 --- /dev/null +++ b/pango/pangoft2-private.h @@ -0,0 +1,97 @@ +/* Pango + * pangoft2-private.h: + * + * Copyright (C) 1999 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 __PANGOFT2_PRIVATE_H__ +#define __PANGOFT2_PRIVATE_H__ + +#include "pango-modules.h" +#include "pangoft2.h" + +/* Debugging... */ +#define DEBUGGING 1 + +#ifdef DEBUGGING +#define PING(printlist) \ +(g_print ("%s:%d ", __PRETTY_FUNCTION__, __LINE__), \ + g_print printlist) +#else +#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 _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; /* Used to remove 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__ */ |