forked from AuroraMiddleware/gtk
88c63903a5
...and document that many functions don't accept "none" as a unit. https://bugzilla.gnome.org/show_bug.cgi?id=460908
59 lines
1.5 KiB
C
59 lines
1.5 KiB
C
/* GTK - The GIMP Toolkit
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* gtkpapersize.c: Paper Size
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* Copyright (C) 2006, Red Hat, Inc.
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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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#include "config.h"
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#include "gtkprintutils.h"
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gdouble
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_gtk_print_convert_to_mm (gdouble len,
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GtkUnit unit)
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{
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switch (unit)
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{
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case GTK_UNIT_MM:
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return len;
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case GTK_UNIT_INCH:
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return len * MM_PER_INCH;
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default:
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g_warning ("Unsupported unit");
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/* Fall through */
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case GTK_UNIT_POINTS:
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return len * (MM_PER_INCH / POINTS_PER_INCH);
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break;
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}
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}
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gdouble
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_gtk_print_convert_from_mm (gdouble len,
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GtkUnit unit)
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{
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switch (unit)
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{
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case GTK_UNIT_MM:
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return len;
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case GTK_UNIT_INCH:
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return len / MM_PER_INCH;
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default:
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g_warning ("Unsupported unit");
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/* Fall through */
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case GTK_UNIT_POINTS:
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return len / (MM_PER_INCH / POINTS_PER_INCH);
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break;
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}
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}
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