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diff --git a/app/gegl/gimpapplicator.h b/app/gegl/gimpapplicator.h
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+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * gimpapplicator.h
+ * Copyright (C) 2012-2013 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_APPLICATOR_H__
+#define __GIMP_APPLICATOR_H__
+
+
+#define GIMP_TYPE_APPLICATOR (gimp_applicator_get_type ())
+#define GIMP_APPLICATOR(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_APPLICATOR, GimpApplicator))
+#define GIMP_APPLICATOR_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_APPLICATOR, GimpApplicatorClass))
+#define GIMP_IS_APPLICATOR(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_APPLICATOR))
+#define GIMP_IS_APPLICATOR_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_APPLICATOR))
+#define GIMP_APPLICATOR_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_APPLICATOR, GimpApplicatorClass))
+
+
+typedef struct _GimpApplicatorClass GimpApplicatorClass;
+
+struct _GimpApplicator
+{
+ GObject parent_instance;
+
+ GeglNode *node;
+ GeglNode *input_node;
+ GeglNode *aux_node;
+ GeglNode *output_node;
+
+ gboolean active;
+
+ GeglBuffer *apply_buffer;
+ GeglNode *apply_src_node;
+
+ gint apply_offset_x;
+ gint apply_offset_y;
+ GeglNode *apply_offset_node;
+
+ gdouble opacity;
+ GimpLayerMode paint_mode;
+ GimpLayerColorSpace blend_space;
+ GimpLayerColorSpace composite_space;
+ GimpLayerCompositeMode composite_mode;
+ GeglNode *mode_node;
+
+ GimpComponentMask affect;
+ GeglNode *affect_node;
+
+ const Babl *output_format;
+ GeglNode *convert_format_node;
+
+ gboolean cache_enabled;
+ GeglNode *cache_node;
+
+ gboolean crop_enabled;
+ GeglRectangle crop_rect;
+ GeglNode *crop_node;
+
+ GeglBuffer *src_buffer;
+ GeglNode *src_node;
+
+ GeglBuffer *dest_buffer;
+ GeglNode *dest_node;
+
+ GeglBuffer *mask_buffer;
+ GeglNode *mask_node;
+
+ gint mask_offset_x;
+ gint mask_offset_y;
+ GeglNode *mask_offset_node;
+};
+
+struct _GimpApplicatorClass
+{
+ GObjectClass parent_class;
+};
+
+
+GType gimp_applicator_get_type (void) G_GNUC_CONST;
+
+GimpApplicator * gimp_applicator_new (GeglNode *parent);
+
+void gimp_applicator_set_active (GimpApplicator *applicator,
+ gboolean active);
+
+void gimp_applicator_set_src_buffer (GimpApplicator *applicator,
+ GeglBuffer *dest_buffer);
+void gimp_applicator_set_dest_buffer (GimpApplicator *applicator,
+ GeglBuffer *dest_buffer);
+
+void gimp_applicator_set_mask_buffer (GimpApplicator *applicator,
+ GeglBuffer *mask_buffer);
+void gimp_applicator_set_mask_offset (GimpApplicator *applicator,
+ gint mask_offset_x,
+ gint mask_offset_y);
+
+void gimp_applicator_set_apply_buffer (GimpApplicator *applicator,
+ GeglBuffer *apply_buffer);
+void gimp_applicator_set_apply_offset (GimpApplicator *applicator,
+ gint apply_offset_x,
+ gint apply_offset_y);
+
+void gimp_applicator_set_opacity (GimpApplicator *applicator,
+ gdouble opacity);
+void gimp_applicator_set_mode (GimpApplicator *applicator,
+ GimpLayerMode paint_mode,
+ GimpLayerColorSpace blend_space,
+ GimpLayerColorSpace composite_space,
+ GimpLayerCompositeMode composite_mode);
+void gimp_applicator_set_affect (GimpApplicator *applicator,
+ GimpComponentMask affect);
+
+void gimp_applicator_set_output_format (GimpApplicator *applicator,
+ const Babl *format);
+const Babl * gimp_applicator_get_output_format (GimpApplicator *applicator);
+
+void gimp_applicator_set_cache (GimpApplicator *applicator,
+ gboolean enable);
+gboolean gimp_applicator_get_cache (GimpApplicator *applicator);
+GeglBuffer * gimp_applicator_get_cache_buffer (GimpApplicator *applicator,
+ GeglRectangle **rectangles,
+ gint *n_rectangles);
+
+void gimp_applicator_set_crop (GimpApplicator *applicator,
+ const GeglRectangle *rect);
+const GeglRectangle * gimp_applicator_get_crop (GimpApplicator *applicator);
+
+void gimp_applicator_blit (GimpApplicator *applicator,
+ const GeglRectangle *rect);
+
+
+#endif /* __GIMP_APPLICATOR_H__ */