mirror of https://github.com/GNOME/gimp.git
68 lines
2.3 KiB
C
68 lines
2.3 KiB
C
/* LIBGIMP - The GIMP Library
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* Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball
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*
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* gimpeevl.h
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* Copyright (C) 2008-2009 Fredrik Alstromer <roe@excu.se>
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* Copyright (C) 2008-2009 Martin Nordholts <martinn@svn.gnome.org>
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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 3 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
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* <http://www.gnu.org/licenses/>.
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*/
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#ifndef __GIMP_EEVL_H__
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#define __GIMP_EEVL_H__
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G_BEGIN_DECLS
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/**
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* GimpEevlQuantity:
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* @value: In reference units.
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* @dimension: in has a dimension of 1, in^2 has a dimension of 2 etc
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*/
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typedef struct
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{
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gdouble value;
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gint dimension;
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} GimpEevlQuantity;
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/**
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* GimpEevlUnitResolverProc:
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* @identifier: Identifier of unit to resolve or %NULL if default unit
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* should be resolved.
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* @result: Units per reference unit. For example, in GIMP the
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* reference unit is inches so resolving "mm" should
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* return 25.4 since there are 25.4 millimeters per inch.
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* @data: Data given to gimp_eevl_evaluate().
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*
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* Returns: If the unit was successfully resolved or not.
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*
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*/
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typedef gboolean (* GimpEevlUnitResolverProc) (const gchar *identifier,
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GimpEevlQuantity *result,
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gpointer data);
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gboolean gimp_eevl_evaluate (const gchar *string,
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GimpEevlUnitResolverProc unit_resolver_proc,
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GimpEevlQuantity *result,
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gpointer data,
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const gchar **error_pos,
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GError **error);
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G_END_DECLS
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#endif /* __GIMP_EEVL_H__ */
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