awesome/font.c
Julien Danjou 1442687830 font: split out of draw
Signed-off-by: Julien Danjou <julien@danjou.info>
2009-09-07 17:51:40 +02:00

81 lines
2.5 KiB
C

/*
* font.c - font functions
*
* Copyright © 2007-2009 Julien Danjou <julien@danjou.info>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* 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, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
*/
#include <cairo/cairo-xcb.h>
#include <pango/pangocairo.h>
#include "font.h"
#include "screen.h"
#include "globalconf.h"
#include "common/xutil.h"
/** Create a new Pango font.
* \param fontname Pango fontname (e.g. [FAMILY-LIST] [STYLE-OPTIONS] [SIZE]).
* \return A new font.
*/
font_t *
draw_font_new(const char *fontname)
{
cairo_surface_t *surface;
xcb_screen_t *s = xutil_screen_get(globalconf.connection, globalconf.default_screen);
cairo_t *cr;
PangoLayout *layout;
font_t *font = p_new(font_t, 1);
/* Create a dummy cairo surface, cairo context and pango layout in
* order to get font informations */
surface = cairo_xcb_surface_create(globalconf.connection,
globalconf.default_screen,
globalconf.screens.tab[0].visual,
s->width_in_pixels,
s->height_in_pixels);
cr = cairo_create(surface);
layout = pango_cairo_create_layout(cr);
/* Get the font description used to set text on a PangoLayout */
font->desc = pango_font_description_from_string(fontname);
pango_layout_set_font_description(layout, font->desc);
/* Get height */
pango_layout_get_pixel_size(layout, NULL, &font->height);
g_object_unref(layout);
cairo_destroy(cr);
cairo_surface_destroy(surface);
return font;
}
/** Delete a font.
* \param font Font to delete.
*/
void
draw_font_delete(font_t **font)
{
if(*font)
{
pango_font_description_free((*font)->desc);
p_delete(font);
}
}
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