Adding upstream version 2.10.36.upstream/2.10.36

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 184 insertions, 0 deletions

diff --git a/app/vectors/gimpvectors.h b/app/vectors/gimpvectors.h
new file mode 100644
index 0000000..a0d8a64
--- /dev/null
+++ b/app/vectors/gimpvectors.h
@@ -0,0 +1,184 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * gimpvectors.h
+ * Copyright (C) 2002 Simon Budig  <simon@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_VECTORS_H__
+#define __GIMP_VECTORS_H__
+
+#include "core/gimpitem.h"
+
+#define GIMP_TYPE_VECTORS            (gimp_vectors_get_type ())
+#define GIMP_VECTORS(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_VECTORS, GimpVectors))
+#define GIMP_VECTORS_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_VECTORS, GimpVectorsClass))
+#define GIMP_IS_VECTORS(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_VECTORS))
+#define GIMP_IS_VECTORS_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_VECTORS))
+#define GIMP_VECTORS_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_VECTORS, GimpVectorsClass))
+
+
+typedef struct _GimpVectorsClass  GimpVectorsClass;
+
+struct _GimpVectors
+{
+  GimpItem        parent_instance;
+
+  GQueue         *strokes;        /* Queue of GimpStrokes         */
+  GHashTable     *stroke_to_list; /* Map from GimpStroke to strokes listnode */
+  gint            last_stroke_ID;
+
+  gint            freeze_count;
+  gdouble         precision;
+
+  GimpBezierDesc *bezier_desc;    /* Cached bezier representation */
+
+  gboolean        bounds_valid;   /* Cached bounding box          */
+  gboolean        bounds_empty;
+  gdouble         bounds_x1;
+  gdouble         bounds_y1;
+  gdouble         bounds_x2;
+  gdouble         bounds_y2;
+};
+
+struct _GimpVectorsClass
+{
+  GimpItemClass  parent_class;
+
+  /*  signals  */
+  void          (* freeze)            (GimpVectors       *vectors);
+  void          (* thaw)              (GimpVectors       *vectors);
+
+  /*  virtual functions  */
+  void          (* stroke_add)        (GimpVectors       *vectors,
+                                       GimpStroke        *stroke);
+  void          (* stroke_remove)     (GimpVectors       *vectors,
+                                       GimpStroke        *stroke);
+  GimpStroke  * (* stroke_get)        (GimpVectors       *vectors,
+                                       const GimpCoords  *coord);
+  GimpStroke  * (* stroke_get_next)   (GimpVectors       *vectors,
+                                       GimpStroke        *prev);
+  gdouble       (* stroke_get_length) (GimpVectors       *vectors,
+                                       GimpStroke        *stroke);
+  GimpAnchor  * (* anchor_get)        (GimpVectors       *vectors,
+                                       const GimpCoords  *coord,
+                                       GimpStroke       **ret_stroke);
+  void          (* anchor_delete)     (GimpVectors       *vectors,
+                                       GimpAnchor        *anchor);
+  gdouble       (* get_length)        (GimpVectors       *vectors,
+                                       const GimpAnchor  *start);
+  gdouble       (* get_distance)      (GimpVectors       *vectors,
+                                       const GimpCoords  *coord);
+  gint          (* interpolate)       (GimpVectors       *vectors,
+                                       GimpStroke        *stroke,
+                                       gdouble            precision,
+                                       gint               max_points,
+                                       GimpCoords        *ret_coords);
+  GimpBezierDesc * (* make_bezier)    (GimpVectors       *vectors);
+};
+
+
+/*  vectors utility functions  */
+
+GType           gimp_vectors_get_type           (void) G_GNUC_CONST;
+
+GimpVectors   * gimp_vectors_new                (GimpImage         *image,
+                                                 const gchar       *name);
+
+GimpVectors   * gimp_vectors_get_parent         (GimpVectors       *vectors);
+
+void            gimp_vectors_freeze             (GimpVectors       *vectors);
+void            gimp_vectors_thaw               (GimpVectors       *vectors);
+
+void            gimp_vectors_copy_strokes       (GimpVectors       *src_vectors,
+                                                 GimpVectors       *dest_vectors);
+void            gimp_vectors_add_strokes        (GimpVectors       *src_vectors,
+                                                 GimpVectors       *dest_vectors);
+
+
+/* accessing / modifying the anchors */
+
+GimpAnchor    * gimp_vectors_anchor_get         (GimpVectors       *vectors,
+                                                 const GimpCoords  *coord,
+                                                 GimpStroke       **ret_stroke);
+
+/* prev == NULL: "first" anchor */
+GimpAnchor    * gimp_vectors_anchor_get_next    (GimpVectors        *vectors,
+                                                 const GimpAnchor   *prev);
+
+/* type will be an xorable enum:
+ * VECTORS_NONE, VECTORS_FIX_ANGLE, VECTORS_FIX_RATIO, VECTORS_RESTRICT_ANGLE
+ *  or so.
+ */
+void          gimp_vectors_anchor_move_relative (GimpVectors        *vectors,
+                                                 GimpAnchor         *anchor,
+                                                 const GimpCoords   *deltacoord,
+                                                 gint                type);
+void          gimp_vectors_anchor_move_absolute (GimpVectors        *vectors,
+                                                 GimpAnchor         *anchor,
+                                                 const GimpCoords   *coord,
+                                                 gint                type);
+
+void          gimp_vectors_anchor_delete        (GimpVectors        *vectors,
+                                                 GimpAnchor         *anchor);
+
+void          gimp_vectors_anchor_select        (GimpVectors        *vectors,
+                                                 GimpStroke         *target_stroke,
+                                                 GimpAnchor         *anchor,
+                                                 gboolean            selected,
+                                                 gboolean            exclusive);
+
+
+/* GimpStroke is a connected component of a GimpVectors object */
+
+void            gimp_vectors_stroke_add         (GimpVectors        *vectors,
+                                                 GimpStroke         *stroke);
+void            gimp_vectors_stroke_remove      (GimpVectors        *vectors,
+                                                 GimpStroke         *stroke);
+gint            gimp_vectors_get_n_strokes      (GimpVectors        *vectors);
+GimpStroke    * gimp_vectors_stroke_get         (GimpVectors        *vectors,
+                                                 const GimpCoords   *coord);
+GimpStroke    * gimp_vectors_stroke_get_by_ID   (GimpVectors        *vectors,
+                                                 gint                id);
+
+/* prev == NULL: "first" stroke */
+GimpStroke    * gimp_vectors_stroke_get_next    (GimpVectors        *vectors,
+                                                 GimpStroke         *prev);
+gdouble         gimp_vectors_stroke_get_length  (GimpVectors        *vectors,
+                                                 GimpStroke         *stroke);
+
+/* accessing the shape of the curve */
+
+gdouble         gimp_vectors_get_length         (GimpVectors        *vectors,
+                                                 const GimpAnchor   *start);
+gdouble         gimp_vectors_get_distance       (GimpVectors        *vectors,
+                                                 const GimpCoords   *coord);
+
+/* returns the number of valid coordinates */
+
+gint            gimp_vectors_interpolate        (GimpVectors        *vectors,
+                                                 GimpStroke         *stroke,
+                                                 gdouble             precision,
+                                                 gint                max_points,
+                                                 GimpCoords         *ret_coords);
+
+/* usually overloaded */
+
+/* returns a bezier representation */
+const GimpBezierDesc * gimp_vectors_get_bezier  (GimpVectors        *vectors);
+
+
+#endif /* __GIMP_VECTORS_H__ */