b5cc7a4044
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.
135 lines
3.5 KiB
C
135 lines
3.5 KiB
C
/*
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* Clutter.
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*
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* An OpenGL based 'interactive canvas' library.
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*
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* Authored By Matthew Allum <mallum@openedhand.com>
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*
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* Copyright (C) 2008 OpenedHand
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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/* This is needed to get the Pango headers to export stuff needed to
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subclass */
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#ifndef PANGO_ENABLE_BACKEND
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#define PANGO_ENABLE_BACKEND 1
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#endif
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#include <pango/pango-fontmap.h>
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#include <pango/pangocairo.h>
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#include <pango/pango-renderer.h>
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#include "cogl-pango.h"
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#include "cogl-pango-private.h"
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static GQuark cogl_pango_font_map_get_renderer_key (void) G_GNUC_CONST;
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PangoFontMap *
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cogl_pango_font_map_new (void)
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{
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return pango_cairo_font_map_new ();
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}
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PangoContext *
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cogl_pango_font_map_create_context (CoglPangoFontMap *fm)
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{
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g_return_val_if_fail (COGL_PANGO_IS_FONT_MAP (fm), NULL);
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/* We can just directly use the pango context from the Cairo font
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map */
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return pango_cairo_font_map_create_context (PANGO_CAIRO_FONT_MAP (fm));
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}
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PangoRenderer *
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cogl_pango_font_map_get_renderer (CoglPangoFontMap *fm)
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{
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PangoRenderer *renderer;
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g_return_val_if_fail (COGL_PANGO_IS_FONT_MAP (fm), NULL);
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/* We want to keep a cached pointer to the renderer from the font
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map instance but as we don't have a proper subclass we have to
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store it in the object data instead */
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renderer = g_object_get_qdata (G_OBJECT (fm),
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cogl_pango_font_map_get_renderer_key ());
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if (G_UNLIKELY (renderer == NULL))
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{
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renderer = g_object_new (COGL_PANGO_TYPE_RENDERER, NULL);
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g_object_set_qdata_full (G_OBJECT (fm),
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cogl_pango_font_map_get_renderer_key (),
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renderer,
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g_object_unref);
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}
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return renderer;
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}
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void
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cogl_pango_font_map_set_resolution (CoglPangoFontMap *font_map,
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double dpi)
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{
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g_return_if_fail (COGL_PANGO_IS_FONT_MAP (font_map));
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pango_cairo_font_map_set_resolution (PANGO_CAIRO_FONT_MAP (font_map), dpi);
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}
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void
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cogl_pango_font_map_clear_glyph_cache (CoglPangoFontMap *fm)
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{
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PangoRenderer *renderer;
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renderer = cogl_pango_font_map_get_renderer (fm);
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_cogl_pango_renderer_clear_glyph_cache (COGL_PANGO_RENDERER (renderer));
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}
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void
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cogl_pango_font_map_set_use_mipmapping (CoglPangoFontMap *fm,
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gboolean value)
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{
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CoglPangoRenderer *renderer;
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renderer = COGL_PANGO_RENDERER (cogl_pango_font_map_get_renderer (fm));
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_cogl_pango_renderer_set_use_mipmapping (renderer, value);
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}
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gboolean
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cogl_pango_font_map_get_use_mipmapping (CoglPangoFontMap *fm)
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{
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CoglPangoRenderer *renderer;
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renderer = COGL_PANGO_RENDERER (cogl_pango_font_map_get_renderer (fm));
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return _cogl_pango_renderer_get_use_mipmapping (renderer);
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}
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static GQuark
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cogl_pango_font_map_get_renderer_key (void)
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{
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static GQuark renderer_key = 0;
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if (G_UNLIKELY (renderer_key == 0))
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renderer_key = g_quark_from_static_string ("CoglPangoFontMap");
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return renderer_key;
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}
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