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/* GTK - The GIMP Toolkit
* gtkpapersize.c: Paper Size
* Copyright (C) 2006, Red Hat, Inc.
*
* 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/>.
*/
#include "config.h"
#include "gtkprintutils.h"
gdouble
_gtk_print_convert_to_mm (gdouble len,
GtkUnit unit)
{
switch (unit)
{
case GTK_UNIT_MM:
return len;
case GTK_UNIT_INCH:
return len * MM_PER_INCH;
default:
g_warning ("Unsupported unit");
/* Fall through */
case GTK_UNIT_POINTS:
return len * (MM_PER_INCH / POINTS_PER_INCH);
break;
}
}
gdouble
_gtk_print_convert_from_mm (gdouble len,
GtkUnit unit)
{
switch (unit)
{
case GTK_UNIT_MM:
return len;
case GTK_UNIT_INCH:
return len / MM_PER_INCH;
default:
g_warning ("Unsupported unit");
/* Fall through */
case GTK_UNIT_POINTS:
return len / (MM_PER_INCH / POINTS_PER_INCH);
break;
}
}
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