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/* Pango
* pango-fontset-simple.c:
*
* 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.
*/
#include "config.h"
/*
* PangoFontset
*/
#include "pango-types.h"
#include "pango-font-private.h"
#include "pango-fontset-simple.h"
#include "pango-impl-utils.h"
/* {{{ PangoFontset implementation */
#define PANGO_FONTSET_SIMPLE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), PANGO_TYPE_FONTSET_SIMPLE, PangoFontsetSimpleClass))
#define PANGO_IS_FONTSET_SIMPLE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), PANGO_TYPE_FONTSET_SIMPLE))
#define PANGO_FONTSET_SIMPLE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), PANGO_TYPE_FONTSET_SIMPLE, PangoFontsetSimpleClass))
struct _PangoFontsetSimple
{
PangoFontset parent_instance;
GPtrArray *fonts;
PangoLanguage *language;
};
struct _PangoFontsetSimpleClass
{
PangoFontsetClass parent_class;
};
G_DEFINE_TYPE (PangoFontsetSimple, pango_fontset_simple, PANGO_TYPE_FONTSET);
static void
pango_fontset_simple_init (PangoFontsetSimple *fontset)
{
fontset->fonts = g_ptr_array_new_with_free_func (g_object_unref);
fontset->language = NULL;
}
static void
pango_fontset_simple_finalize (GObject *object)
{
PangoFontsetSimple *fontset = PANGO_FONTSET_SIMPLE (object);
g_ptr_array_free (fontset->fonts, TRUE);
G_OBJECT_CLASS (pango_fontset_simple_parent_class)->finalize (object);
}
static PangoFont *
pango_fontset_simple_get_font (PangoFontset *fontset,
guint wc)
{
PangoFontsetSimple *simple = PANGO_FONTSET_SIMPLE (fontset);
unsigned int i;
for (i = 0; i < simple->fonts->len; i++)
{
PangoFont *font = g_ptr_array_index (simple->fonts, i);
if (pango_font_has_char (font, wc))
return g_object_ref (font);
}
return NULL;
}
static PangoFontMetrics *
pango_fontset_simple_get_metrics (PangoFontset *fontset)
{
PangoFontsetSimple *simple = PANGO_FONTSET_SIMPLE (fontset);
if (simple->fonts->len == 1)
{
PangoFont *font = g_ptr_array_index (simple->fonts, 0);
return pango_font_get_metrics (font, simple->language);
}
return PANGO_FONTSET_CLASS (pango_fontset_simple_parent_class)->get_metrics (fontset);
}
static PangoLanguage *
pango_fontset_simple_get_language (PangoFontset *fontset)
{
PangoFontsetSimple *simple = PANGO_FONTSET_SIMPLE (fontset);
return simple->language;
}
static void
pango_fontset_simple_foreach (PangoFontset *fontset,
PangoFontsetForeachFunc func,
gpointer data)
{
PangoFontsetSimple *simple = PANGO_FONTSET_SIMPLE (fontset);
unsigned int i;
for (i = 0; i < simple->fonts->len; i++)
{
PangoFont *font = g_ptr_array_index (simple->fonts, i);
if ((*func) (fontset, font, data))
return;
}
}
static void
pango_fontset_simple_class_init (PangoFontsetSimpleClass *class)
{
GObjectClass *object_class = G_OBJECT_CLASS (class);
PangoFontsetClass *fontset_class = PANGO_FONTSET_CLASS (class);
object_class->finalize = pango_fontset_simple_finalize;
fontset_class->get_font = pango_fontset_simple_get_font;
fontset_class->get_metrics = pango_fontset_simple_get_metrics;
fontset_class->get_language = pango_fontset_simple_get_language;
fontset_class->foreach = pango_fontset_simple_foreach;
}
/* }}} */
/* {{{ Public API */
/**
* pango_fontset_simple_new:
* @language: a `PangoLanguage` tag
*
* Creates a new `PangoFontsetSimple` for the given language.
*
* Return value: the newly allocated `PangoFontsetSimple`
*/
PangoFontsetSimple *
pango_fontset_simple_new (PangoLanguage *language)
{
PangoFontsetSimple *fontset;
fontset = g_object_new (PANGO_TYPE_FONTSET_SIMPLE, NULL);
fontset->language = language;
return fontset;
}
/**
* pango_fontset_simple_append:
* @fontset: a `PangoFontsetSimple`.
* @font: (transfer full): a `PangoFont`.
*
* Adds a font to the fontset.
*
* The fontset takes ownership of @font.
*/
void
pango_fontset_simple_append (PangoFontsetSimple *fontset,
PangoFont *font)
{
g_ptr_array_add (fontset->fonts, font);
}
/**
* pango_fontset_simple_size:
* @fontset: a `PangoFontsetSimple`.
*
* Returns the number of fonts in the fontset.
*
* Return value: the size of @fontset
*/
int
pango_fontset_simple_size (PangoFontsetSimple *fontset)
{
return fontset->fonts->len;
}
/* }}} */
/* vim:set foldmethod=marker expandtab: */
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