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/*
* Copyright (C) 2011 Canonical Ltd
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3 as
* published by the Free Software Foundation.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Authored by: Neil Jagdish Patel <neil.patel@canonical.com>
*/
#include "FontSettings.h"
#include <cairo/cairo.h>
#include <UnityCore/GLibWrapper.h>
#include <sigc++/sigc++.h>
namespace unity
{
FontSettings::FontSettings()
{
GtkSettings* settings = gtk_settings_get_default();
sig_man_.Add<void, GtkSettings*, GParamSpec*>(settings, "notify::gtk-xft-hintstyle", sigc::mem_fun(this, &FontSettings::Refresh));
sig_man_.Add<void, GtkSettings*, GParamSpec*>(settings, "notify::gtk-xft-rgba", sigc::mem_fun(this, &FontSettings::Refresh));
sig_man_.Add<void, GtkSettings*, GParamSpec*>(settings, "notify::gtk-xft-antialias", sigc::mem_fun(this, &FontSettings::Refresh));
Refresh();
}
void FontSettings::Refresh(GtkSettings* unused0, GParamSpec* unused1)
{
GtkSettings* settings = gtk_settings_get_default();
cairo_font_options_t* font_options = cairo_font_options_create();
{
cairo_subpixel_order_t order = CAIRO_SUBPIXEL_ORDER_DEFAULT;
glib::String value;
g_object_get(settings, "gtk-xft-rgba", &value, NULL);
gint antialias;
g_object_get(settings, "gtk-xft-antialias", &antialias, NULL);
if (value.Str() == "rgb")
order = CAIRO_SUBPIXEL_ORDER_RGB;
else if (value.Str() == "bgr")
order = CAIRO_SUBPIXEL_ORDER_BGR;
else if (value.Str() == "vrgb")
order = CAIRO_SUBPIXEL_ORDER_VRGB;
else if (value.Str() == "vbgr")
order = CAIRO_SUBPIXEL_ORDER_VBGR;
cairo_font_options_set_subpixel_order(font_options, order);
cairo_font_options_set_antialias(font_options,
value.Str() == "none" ? (antialias ? CAIRO_ANTIALIAS_GRAY : CAIRO_ANTIALIAS_NONE)
: CAIRO_ANTIALIAS_SUBPIXEL);
}
{
cairo_hint_style_t style = CAIRO_HINT_STYLE_DEFAULT;
glib::String value;
g_object_get(settings, "gtk-xft-hintstyle", &value, NULL);
if (value.Str() == "hintnone")
style = CAIRO_HINT_STYLE_NONE;
else if (value.Str() == "hintslight")
style = CAIRO_HINT_STYLE_SLIGHT;
else if (value.Str() == "hintmedium")
style = CAIRO_HINT_STYLE_MEDIUM;
else if (value.Str() == "hintfull")
style = CAIRO_HINT_STYLE_FULL;
cairo_font_options_set_hint_style(font_options, style);
}
// FIXME: Where do we read this value from?
cairo_font_options_set_hint_metrics(font_options, CAIRO_HINT_METRICS_ON);
gdk_screen_set_font_options(gdk_screen_get_default(), font_options);
cairo_font_options_destroy(font_options);
}
}
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