1 files changed, 92 insertions, 0 deletions
diff --git a/app/operations/gimplevelsconfig.h b/app/operations/gimplevelsconfig.h
new file mode 100644
index 0000000..2e7569c
--- /dev/null
+++ b/app/operations/gimplevelsconfig.h
@@ -0,0 +1,92 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * gimplevelsconfig.h
+ * Copyright (C) 2007 Michael Natterer <mitch@gimp.org>
+ *
+ * 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/>.
+ */
+
+#ifndef __GIMP_LEVELS_CONFIG_H__
+#define __GIMP_LEVELS_CONFIG_H__
+
+
+#include "gimpoperationsettings.h"
+
+
+#define GIMP_TYPE_LEVELS_CONFIG            (gimp_levels_config_get_type ())
+#define GIMP_LEVELS_CONFIG(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_LEVELS_CONFIG, GimpLevelsConfig))
+#define GIMP_LEVELS_CONFIG_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass),  GIMP_TYPE_LEVELS_CONFIG, GimpLevelsConfigClass))
+#define GIMP_IS_LEVELS_CONFIG(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_LEVELS_CONFIG))
+#define GIMP_IS_LEVELS_CONFIG_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass),  GIMP_TYPE_LEVELS_CONFIG))
+#define GIMP_LEVELS_CONFIG_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj),  GIMP_TYPE_LEVELS_CONFIG, GimpLevelsConfigClass))
+
+
+typedef struct _GimpLevelsConfigClass GimpLevelsConfigClass;
+
+struct _GimpLevelsConfig
+{
+  GimpOperationSettings  parent_instance;
+
+  gboolean               linear;
+
+  GimpHistogramChannel   channel;
+
+  gdouble                low_input[5];
+  gdouble                high_input[5];
+
+  gboolean               clamp_input;
+
+  gdouble                gamma[5];
+
+  gdouble                low_output[5];
+  gdouble                high_output[5];
+
+  gboolean               clamp_output;
+};
+
+struct _GimpLevelsConfigClass
+{
+  GimpOperationSettingsClass  parent_class;
+};
+
+
+GType      gimp_levels_config_get_type         (void) G_GNUC_CONST;
+
+void       gimp_levels_config_reset_channel    (GimpLevelsConfig      *config);
+
+void       gimp_levels_config_stretch          (GimpLevelsConfig      *config,
+                                                GimpHistogram         *histogram,
+                                                gboolean               is_color);
+void       gimp_levels_config_stretch_channel  (GimpLevelsConfig      *config,
+                                                GimpHistogram         *histogram,
+                                                GimpHistogramChannel   channel);
+void       gimp_levels_config_adjust_by_colors (GimpLevelsConfig      *config,
+                                                GimpHistogramChannel   channel,
+                                                const GimpRGB         *black,
+                                                const GimpRGB         *gray,
+                                                const GimpRGB         *white);
+
+GimpCurvesConfig *
+           gimp_levels_config_to_curves_config (GimpLevelsConfig      *config);
+
+gboolean   gimp_levels_config_load_cruft       (GimpLevelsConfig      *config,
+                                                GInputStream          *input,
+                                                GError               **error);
+gboolean   gimp_levels_config_save_cruft       (GimpLevelsConfig      *config,
+                                                GOutputStream         *output,
+                                                GError               **error);
+
+
+#endif /* __GIMP_LEVELS_CONFIG_H__ */