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author | Matthias Clasen <mclasen@redhat.com> | 2019-07-04 20:36:00 +0000 |
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committer | Matthias Clasen <mclasen@redhat.com> | 2019-07-04 17:28:40 -0400 |
commit | d21ea13a22b1cab8c9cb604aa3fcd2ca8073befd (patch) | |
tree | 8d79daeb8f4254e319fede8bcc970f80cec83a2a /pango/pango-fontset-private.h | |
parent | 5112387e2c5d4e298d5781070b2f0749a2f7f005 (diff) | |
download | pango-d21ea13a22b1cab8c9cb604aa3fcd2ca8073befd.tar.gz |
Header cleanup
Abolish the PANGO_ENABLE_BACKEND and PANGO_ENABLE_ENGINE
defines. All backend-only apis are moved into private
headers, all apis that were engine-only are marked as
deprecated, since engines are.
Diffstat (limited to 'pango/pango-fontset-private.h')
-rw-r--r-- | pango/pango-fontset-private.h | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/pango/pango-fontset-private.h b/pango/pango-fontset-private.h new file mode 100644 index 00000000..a0829cc9 --- /dev/null +++ b/pango/pango-fontset-private.h @@ -0,0 +1,131 @@ +/* Pango + * pango-fontset.h: Font set handling + * + * Copyright (C) 2001 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 __PANGO_FONTSET_PRIVATE_H__ +#define __PANGO_FONTSET_PRIVATE_H__ + +#include <pango/pango-types.h> +#include <pango/pango-fontset.h> +#include <pango/pango-coverage.h> + +#include <glib-object.h> + +G_BEGIN_DECLS + + +typedef struct _PangoFontsetClass PangoFontsetClass; + +#define PANGO_FONTSET_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), PANGO_TYPE_FONTSET, PangoFontsetClass)) +#define PANGO_IS_FONTSET_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), PANGO_TYPE_FONTSET)) +#define PANGO_FONTSET_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), PANGO_TYPE_FONTSET, PangoFontsetClass)) + +/** + * PangoFontset: + * + * A #PangoFontset represents a set of #PangoFont to use + * when rendering text. It is the result of resolving a + * #PangoFontDescription against a particular #PangoContext. + * It has operations for finding the component font for + * a particular Unicode character, and for finding a composite + * set of metrics for the entire fontset. + */ +struct _PangoFontset +{ + GObject parent_instance; +}; + +/** + * PangoFontsetClass: + * @parent_class: parent #GObjectClass. + * @get_font: a function to get the font in the fontset that contains the + * best glyph for the given Unicode character; see pango_fontset_get_font(). + * @get_metrics: a function to get overall metric information for the fonts + * in the fontset; see pango_fontset_get_metrics(). + * @get_language: a function to get the language of the fontset. + * @foreach: a function to loop over the fonts in the fontset. See + * pango_fontset_foreach(). + * + * The #PangoFontsetClass structure holds the virtual functions for + * a particular #PangoFontset implementation. + */ +struct _PangoFontsetClass +{ + GObjectClass parent_class; + + /*< public >*/ + + PangoFont * (*get_font) (PangoFontset *fontset, + guint wc); + + PangoFontMetrics *(*get_metrics) (PangoFontset *fontset); + PangoLanguage * (*get_language) (PangoFontset *fontset); + void (*foreach) (PangoFontset *fontset, + PangoFontsetForeachFunc func, + gpointer data); + + /*< private >*/ + + /* Padding for future expansion */ + void (*_pango_reserved1) (void); + void (*_pango_reserved2) (void); + void (*_pango_reserved3) (void); + void (*_pango_reserved4) (void); +}; + +/* + * PangoFontsetSimple + */ + +/** + * PANGO_TYPE_FONTSET_SIMPLE: + * + * The #GObject type for #PangoFontsetSimple. + */ +/** + * PangoFontsetSimple: + * + * #PangoFontsetSimple is a implementation of the abstract + * #PangoFontset base class in terms of an array of fonts, + * which the creator provides when constructing the + * #PangoFontsetSimple. + */ +#define PANGO_TYPE_FONTSET_SIMPLE (pango_fontset_simple_get_type ()) +#define PANGO_FONTSET_SIMPLE(object) (G_TYPE_CHECK_INSTANCE_CAST ((object), PANGO_TYPE_FONTSET_SIMPLE, PangoFontsetSimple)) +#define PANGO_IS_FONTSET_SIMPLE(object) (G_TYPE_CHECK_INSTANCE_TYPE ((object), PANGO_TYPE_FONTSET_SIMPLE)) + +typedef struct _PangoFontsetSimple PangoFontsetSimple; +typedef struct _PangoFontsetSimpleClass PangoFontsetSimpleClass; + +PANGO_AVAILABLE_IN_ALL +GType pango_fontset_simple_get_type (void) G_GNUC_CONST; + +PANGO_AVAILABLE_IN_ALL +PangoFontsetSimple * pango_fontset_simple_new (PangoLanguage *language); +PANGO_AVAILABLE_IN_ALL +void pango_fontset_simple_append (PangoFontsetSimple *fontset, + PangoFont *font); +PANGO_AVAILABLE_IN_ALL +int pango_fontset_simple_size (PangoFontsetSimple *fontset); + + +G_END_DECLS + +#endif /* __PANGO_FONTSET_PRIVATE_H__ */ |