diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:30:19 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:30:19 +0000 |
commit | 5c1676dfe6d2f3c837a5e074117b45613fd29a72 (patch) | |
tree | cbffb45144febf451e54061db2b21395faf94bfe /app/core/gimpdrawable-equalize.c | |
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-- | app/core/gimpdrawable-equalize.c | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/app/core/gimpdrawable-equalize.c b/app/core/gimpdrawable-equalize.c new file mode 100644 index 0000000..202dc7f --- /dev/null +++ b/app/core/gimpdrawable-equalize.c @@ -0,0 +1,71 @@ +/* GIMP - The GNU Image Manipulation Program + * Copyright (C) 1995 Spencer Kimball and Peter Mattis + * + * 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 3 of the License, 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, see <https://www.gnu.org/licenses/>. + */ + +#include "config.h" + +#include <gdk-pixbuf/gdk-pixbuf.h> +#include <gegl.h> + +#include "core-types.h" + +#include "gimpdrawable.h" +#include "gimpdrawable-equalize.h" +#include "gimpdrawable-histogram.h" +#include "gimpdrawable-operation.h" +#include "gimphistogram.h" +#include "gimpimage.h" +#include "gimpselection.h" + +#include "gimp-intl.h" + + +void +gimp_drawable_equalize (GimpDrawable *drawable, + gboolean mask_only) +{ + GimpImage *image; + GimpChannel *selection; + GimpHistogram *histogram; + GeglNode *equalize; + + g_return_if_fail (GIMP_IS_DRAWABLE (drawable)); + g_return_if_fail (gimp_item_is_attached (GIMP_ITEM (drawable))); + + image = gimp_item_get_image (GIMP_ITEM (drawable)); + selection = gimp_image_get_mask (image); + + histogram = gimp_histogram_new (FALSE); + gimp_drawable_calculate_histogram (drawable, histogram, FALSE); + + equalize = gegl_node_new_child (NULL, + "operation", "gimp:equalize", + "histogram", histogram, + NULL); + + if (! mask_only) + gimp_selection_suspend (GIMP_SELECTION (selection)); + + gimp_drawable_apply_operation (drawable, NULL, + C_("undo-type", "Equalize"), + equalize); + + if (! mask_only) + gimp_selection_resume (GIMP_SELECTION (selection)); + + g_object_unref (equalize); + g_object_unref (histogram); +} |