134 lines
4.3 KiB
C
134 lines
4.3 KiB
C
/* Pango
|
|
* pangoclutter-private.h: private symbols for Clutter backend
|
|
*
|
|
* Copyright (C) 2006 Matthew Allum <mallum@o-hand.com>
|
|
*
|
|
* This file 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 file 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 __PANGOCLUTTER_PRIVATE_H__
|
|
#define __PANGOCLUTTER_PRIVATE_H__
|
|
|
|
#include "pangoclutter.h"
|
|
#include <pango/pango-renderer.h>
|
|
#include <glib-object.h>
|
|
#include <pango/pangofc-decoder.h>
|
|
|
|
/* Defines duped */
|
|
|
|
#define PANGO_SCALE_26_6 (PANGO_SCALE / (1<<6))
|
|
|
|
/* We only use the PANGO_SCALE_26_6 macro for scaling font size.
|
|
* Font sizes are normally given in points with at most one single
|
|
* decimal place fraction. If we do not do the rounding here, we will
|
|
* be suffering from an error < 0.016pt, which is entirely negligeable
|
|
* as far as font sizes are concerned.
|
|
*/
|
|
#if 0
|
|
#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)
|
|
#else
|
|
#define PANGO_PIXELS_26_6(d) \
|
|
(d / PANGO_SCALE_26_6)
|
|
#endif
|
|
|
|
#define PANGO_UNITS_26_6(d) (PANGO_SCALE_26_6 * (d))
|
|
|
|
#define PANGO_TYPE_CLUTTER_FONT (pango_clutter_font_get_type ())
|
|
|
|
#define PANGO_CLUTTER_FONT(object) \
|
|
(G_TYPE_CHECK_INSTANCE_CAST ((object), \
|
|
PANGO_TYPE_CLUTTER_FONT, \
|
|
PangoClutterFont))
|
|
#define PANGO_CLUTTER_IS_FONT(object) \
|
|
(G_TYPE_CHECK_INSTANCE_TYPE ((object), PANGO_TYPE_CLUTTER_FONT))
|
|
|
|
typedef struct _PangoClutterFont PangoClutterFont;
|
|
typedef struct _PangoClutterGlyphInfo PangoClutterGlyphInfo;
|
|
|
|
struct _PangoClutterFont
|
|
{
|
|
PangoFcFont font;
|
|
FT_Face face;
|
|
int load_flags;
|
|
int size;
|
|
GSList *metrics_by_lang;
|
|
GHashTable *glyph_info;
|
|
GDestroyNotify glyph_cache_destroy;
|
|
};
|
|
|
|
struct _PangoClutterGlyphInfo
|
|
{
|
|
PangoRectangle logical_rect;
|
|
PangoRectangle ink_rect;
|
|
void *cached_glyph;
|
|
};
|
|
|
|
PangoGlyph
|
|
pango_clutter_get_unknown_glyph (PangoFont *font);
|
|
|
|
GType pango_clutter_font_get_type (void);
|
|
|
|
PangoClutterFont *
|
|
_pango_clutter_font_new (PangoClutterFontMap *fontmap,
|
|
FcPattern *pattern);
|
|
FT_Face
|
|
pango_clutter_font_get_face (PangoFont *font);
|
|
|
|
FT_Library
|
|
_pango_clutter_font_map_get_library (PangoFontMap *fontmap);
|
|
|
|
void *
|
|
_pango_clutter_font_get_cache_glyph_data (PangoFont *font,
|
|
int glyph_index);
|
|
void
|
|
_pango_clutter_font_set_cache_glyph_data (PangoFont *font,
|
|
int glyph_index,
|
|
void *cached_glyph);
|
|
void
|
|
_pango_clutter_font_set_glyph_cache_destroy (PangoFont *font,
|
|
GDestroyNotify destroy_notify);
|
|
|
|
/* Renderer */
|
|
|
|
typedef struct _PangoClutterRenderer PangoClutterRenderer;
|
|
|
|
#define PANGO_TYPE_CLUTTER_RENDERER (pango_clutter_renderer_get_type())
|
|
|
|
#define PANGO_CLUTTER_RENDERER(object) \
|
|
(G_TYPE_CHECK_INSTANCE_CAST ((object), \
|
|
PANGO_TYPE_CLUTTER_RENDERER, \
|
|
PangoClutterRenderer))
|
|
|
|
#define PANGO_IS_CLUTTER_RENDERER(object) \
|
|
(G_TYPE_CHECK_INSTANCE_TYPE ((object), PANGO_TYPE_CLUTTER_RENDERER))
|
|
|
|
GType pango_clutter_renderer_get_type (void);
|
|
|
|
PangoRenderer *
|
|
_pango_clutter_font_map_get_renderer (PangoClutterFontMap *fontmap);
|
|
|
|
|
|
/* HACK make this public to avoid a mass of re-implementation*/
|
|
void
|
|
pango_fc_font_get_raw_extents (PangoFcFont *font,
|
|
FT_Int32 load_flags,
|
|
PangoGlyph glyph,
|
|
PangoRectangle *ink_rect,
|
|
PangoRectangle *logical_rect);
|
|
|
|
#endif
|