1 files changed, 83 insertions, 0 deletions
diff --git a/app/core/gimpprojection.h b/app/core/gimpprojection.h
new file mode 100644
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+++ b/app/core/gimpprojection.h
@@ -0,0 +1,83 @@
+/* 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/>.
+ */
+
+#ifndef __GIMP_PROJECTION_H__
+#define __GIMP_PROJECTION_H__
+
+
+#include "gimpobject.h"
+
+
+#define GIMP_TYPE_PROJECTION            (gimp_projection_get_type ())
+#define GIMP_PROJECTION(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_PROJECTION, GimpProjection))
+#define GIMP_PROJECTION_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_PROJECTION, GimpProjectionClass))
+#define GIMP_IS_PROJECTION(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_PROJECTION))
+#define GIMP_IS_PROJECTION_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_PROJECTION))
+#define GIMP_PROJECTION_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_PROJECTION, GimpProjectionClass))
+
+
+typedef struct _GimpProjectionPrivate GimpProjectionPrivate;
+typedef struct _GimpProjectionClass   GimpProjectionClass;
+
+struct _GimpProjection
+{
+  GimpObject             parent_instance;
+
+  GimpProjectionPrivate *priv;
+};
+
+struct _GimpProjectionClass
+{
+  GimpObjectClass  parent_class;
+
+  void (* update) (GimpProjection *proj,
+                   gboolean        now,
+                   gint            x,
+                   gint            y,
+                   gint            width,
+                   gint            height);
+};
+
+
+GType            gimp_projection_get_type          (void) G_GNUC_CONST;
+
+GimpProjection * gimp_projection_new               (GimpProjectable   *projectable);
+
+void             gimp_projection_set_priority      (GimpProjection    *projection,
+                                                    gint               priority);
+gint             gimp_projection_get_priority      (GimpProjection    *projection);
+
+void             gimp_projection_set_priority_rect (GimpProjection    *proj,
+                                                    gint               x,
+                                                    gint               y,
+                                                    gint               width,
+                                                    gint               height);
+
+void             gimp_projection_stop_rendering    (GimpProjection    *proj);
+
+void             gimp_projection_flush             (GimpProjection    *proj);
+void             gimp_projection_flush_now         (GimpProjection    *proj,
+                                                    gboolean           direct);
+void             gimp_projection_finish_draw       (GimpProjection    *proj);
+
+gint64           gimp_projection_estimate_memsize  (GimpImageBaseType  type,
+                                                    GimpComponentType  component_type,
+                                                    gint               width,
+                                                    gint               height);
+
+
+#endif /*  __GIMP_PROJECTION_H__  */