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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:30:19 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:30:19 +0000 |
commit | 5c1676dfe6d2f3c837a5e074117b45613fd29a72 (patch) | |
tree | cbffb45144febf451e54061db2b21395faf94bfe /libgimpwidgets/gimpeevl.h | |
parent | Initial commit. (diff) | |
download | gimp-5c1676dfe6d2f3c837a5e074117b45613fd29a72.tar.xz gimp-5c1676dfe6d2f3c837a5e074117b45613fd29a72.zip |
Adding upstream version 2.10.34.upstream/2.10.34upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | libgimpwidgets/gimpeevl.h | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/libgimpwidgets/gimpeevl.h b/libgimpwidgets/gimpeevl.h new file mode 100644 index 0000000..bbcb69b --- /dev/null +++ b/libgimpwidgets/gimpeevl.h @@ -0,0 +1,99 @@ +/* LIBGIMP - The GIMP Library + * Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball + * + * gimpeevl.h + * Copyright (C) 2008-2009 Fredrik Alstromer <roe@excu.se> + * Copyright (C) 2008-2009 Martin Nordholts <martinn@svn.gnome.org> + * + * 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 3 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 + * <https://www.gnu.org/licenses/>. + */ + +#ifndef __GIMP_EEVL_H__ +#define __GIMP_EEVL_H__ + +G_BEGIN_DECLS + + +/** + * GimpEevlQuantity: + * @value: In reference units. + * @dimension: in has a dimension of 1, in^2 has a dimension of 2 etc + */ +typedef struct +{ + gdouble value; + gint dimension; +} GimpEevlQuantity; + + +/** + * GimpEevlUnitResolverProc: + * @identifier: Identifier of unit to resolve or %NULL if default unit + * should be resolved. + * @factor: Units per reference unit. For example, in GIMP the + * reference unit is inches so resolving "mm" should + * return 25.4 since there are 25.4 millimeters per inch. + * @offset: Offset to apply after scaling the value according to @factor. + * @data: Data given to gimp_eevl_evaluate(). + * + * Returns: If the unit was successfully resolved or not. + * + */ +typedef gboolean (* GimpEevlUnitResolverProc) (const gchar *identifier, + GimpEevlQuantity *factor, + gdouble *offset, + gpointer data); + + +/** + * GimpEevlOptions: + * @unit_resolver_proc: Unit resolver callback. + * @data: Data passed to unit resolver. + * @ratio_expressions: Allow ratio expressions + * @ratio_invert: Invert ratios + * @ratio_quantity: Quantity to multiply ratios by + */ +typedef struct +{ + GimpEevlUnitResolverProc unit_resolver_proc; + gpointer data; + + gboolean ratio_expressions; + gboolean ratio_invert; + GimpEevlQuantity ratio_quantity; +} GimpEevlOptions; + +#define GIMP_EEVL_OPTIONS_INIT \ + ((const GimpEevlOptions) \ + { \ + .unit_resolver_proc = NULL, \ + .data = NULL, \ + \ + .ratio_expressions = FALSE, \ + .ratio_invert = FALSE, \ + .ratio_quantity = {0.0, 0} \ + }) + + +gboolean gimp_eevl_evaluate (const gchar *string, + const GimpEevlOptions *options, + GimpEevlQuantity *result, + const gchar **error_pos, + GError **error); + + +G_END_DECLS + +#endif /* __GIMP_EEVL_H__ */ |