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Diffstat (limited to 'lib/ephy-zoom.h')
| -rw-r--r-- | lib/ephy-zoom.h | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/lib/ephy-zoom.h b/lib/ephy-zoom.h new file mode 100644 index 000000000..648298fbc --- /dev/null +++ b/lib/ephy-zoom.h @@ -0,0 +1,64 @@ +/* + * Copyright (C) 2003 Christian Persch + * + * 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, 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#ifndef EPHY_ZOOM_H +#define EPHY_ZOOM_H + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include <glib.h> +#include <bonobo/bonobo-i18n.h> + +G_BEGIN_DECLS + +static const +struct +{ + gchar *name; + float level; +} +zoom_levels[] = +{ + { N_("50%"), 0.7071067811 }, + { N_("75%"), 0.8408964152 }, + { N_("100%"), 1.0 }, + { N_("125%"), 1.1892071149 }, + { N_("150%"), 1.4142135623 }, + { N_("175%"), 1.6817928304 }, + { N_("200%"), 2.0 }, + { N_("300%"), 2.8284271247 }, + { N_("400%"), 4.0 } +}; +static const guint n_zoom_levels = G_N_ELEMENTS (zoom_levels); + +#define ZOOM_MINIMAL (zoom_levels[0].level) +#define ZOOM_MAXIMAL (zoom_levels[n_zoom_levels - 1].level) +#define ZOOM_IN (-1.0) +#define ZOOM_OUT (-2.0) + +guint ephy_zoom_get_zoom_level_index (float level); + +float ephy_zoom_get_changed_zoom_level (float level, gint steps); + +float ephy_zoom_get_nearest_zoom_level (float level); + +G_END_DECLS + +#endif |