mutter/clutter/pango/cogl-pango-fontmap.c
Emmanuele Bassi b5cc7a4044 2008-10-30 Emmanuele Bassi <ebassi@linux.intel.com>
Bug 1215 - Move the Pango renderer to the public API

	* clutter/pango/*: Rename PangoClutter -> CoglPango.

	* clutter/Makefile.am:
	* clutter/clutter-backend.c:
	* clutter/clutter-entry.c:
	* clutter/clutter-label.c:
	* clutter/clutter-main.[ch]:
	* clutter/clutter-private.h: Update the users of the Pango
	renderer API.

	* README: Update release notes.
2008-10-30 17:11:29 +00:00

135 lines
3.5 KiB
C

/*
* Clutter.
*
* An OpenGL based 'interactive canvas' library.
*
* Authored By Matthew Allum <mallum@openedhand.com>
*
* Copyright (C) 2008 OpenedHand
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
/* This is needed to get the Pango headers to export stuff needed to
subclass */
#ifndef PANGO_ENABLE_BACKEND
#define PANGO_ENABLE_BACKEND 1
#endif
#include <pango/pango-fontmap.h>
#include <pango/pangocairo.h>
#include <pango/pango-renderer.h>
#include "cogl-pango.h"
#include "cogl-pango-private.h"
static GQuark cogl_pango_font_map_get_renderer_key (void) G_GNUC_CONST;
PangoFontMap *
cogl_pango_font_map_new (void)
{
return pango_cairo_font_map_new ();
}
PangoContext *
cogl_pango_font_map_create_context (CoglPangoFontMap *fm)
{
g_return_val_if_fail (COGL_PANGO_IS_FONT_MAP (fm), NULL);
/* We can just directly use the pango context from the Cairo font
map */
return pango_cairo_font_map_create_context (PANGO_CAIRO_FONT_MAP (fm));
}
PangoRenderer *
cogl_pango_font_map_get_renderer (CoglPangoFontMap *fm)
{
PangoRenderer *renderer;
g_return_val_if_fail (COGL_PANGO_IS_FONT_MAP (fm), NULL);
/* We want to keep a cached pointer to the renderer from the font
map instance but as we don't have a proper subclass we have to
store it in the object data instead */
renderer = g_object_get_qdata (G_OBJECT (fm),
cogl_pango_font_map_get_renderer_key ());
if (G_UNLIKELY (renderer == NULL))
{
renderer = g_object_new (COGL_PANGO_TYPE_RENDERER, NULL);
g_object_set_qdata_full (G_OBJECT (fm),
cogl_pango_font_map_get_renderer_key (),
renderer,
g_object_unref);
}
return renderer;
}
void
cogl_pango_font_map_set_resolution (CoglPangoFontMap *font_map,
double dpi)
{
g_return_if_fail (COGL_PANGO_IS_FONT_MAP (font_map));
pango_cairo_font_map_set_resolution (PANGO_CAIRO_FONT_MAP (font_map), dpi);
}
void
cogl_pango_font_map_clear_glyph_cache (CoglPangoFontMap *fm)
{
PangoRenderer *renderer;
renderer = cogl_pango_font_map_get_renderer (fm);
_cogl_pango_renderer_clear_glyph_cache (COGL_PANGO_RENDERER (renderer));
}
void
cogl_pango_font_map_set_use_mipmapping (CoglPangoFontMap *fm,
gboolean value)
{
CoglPangoRenderer *renderer;
renderer = COGL_PANGO_RENDERER (cogl_pango_font_map_get_renderer (fm));
_cogl_pango_renderer_set_use_mipmapping (renderer, value);
}
gboolean
cogl_pango_font_map_get_use_mipmapping (CoglPangoFontMap *fm)
{
CoglPangoRenderer *renderer;
renderer = COGL_PANGO_RENDERER (cogl_pango_font_map_get_renderer (fm));
return _cogl_pango_renderer_get_use_mipmapping (renderer);
}
static GQuark
cogl_pango_font_map_get_renderer_key (void)
{
static GQuark renderer_key = 0;
if (G_UNLIKELY (renderer_key == 0))
renderer_key = g_quark_from_static_string ("CoglPangoFontMap");
return renderer_key;
}