Adding upstream version 2.10.22.upstream/2.10.22upstream

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

1 files changed, 343 insertions, 0 deletions

diff --git a/app/vectors/gimpstroke.h b/app/vectors/gimpstroke.h
new file mode 100644
index 0000000..f44b9ab
--- /dev/null
+++ b/app/vectors/gimpstroke.h
@@ -0,0 +1,343 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * gimpstroke.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_STROKE_H__
+#define __GIMP_STROKE_H__
+
+#include "core/gimpobject.h"
+
+
+#define GIMP_TYPE_STROKE            (gimp_stroke_get_type ())
+#define GIMP_STROKE(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_STROKE, GimpStroke))
+#define GIMP_STROKE_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_STROKE, GimpStrokeClass))
+#define GIMP_IS_STROKE(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_STROKE))
+#define GIMP_IS_STROKE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_STROKE))
+#define GIMP_STROKE_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_STROKE, GimpStrokeClass))
+
+
+typedef struct _GimpStrokeClass GimpStrokeClass;
+
+struct _GimpStroke
+{
+  GimpObject  parent_instance;
+  gint        ID;
+
+  GQueue     *anchors;
+
+  gboolean    closed;
+};
+
+struct _GimpStrokeClass
+{
+  GimpObjectClass  parent_class;
+
+  void          (* changed)              (GimpStroke            *stroke);
+  void          (* removed)              (GimpStroke            *stroke);
+
+  GimpAnchor  * (* anchor_get)           (GimpStroke            *stroke,
+                                          const GimpCoords      *coord);
+  gdouble       (* nearest_point_get)    (GimpStroke            *stroke,
+                                          const GimpCoords      *coord,
+                                          gdouble                precision,
+                                          GimpCoords            *ret_point,
+                                          GimpAnchor           **ret_segment_start,
+                                          GimpAnchor           **ret_segment_end,
+                                          gdouble               *ret_pos);
+  gdouble       (* nearest_tangent_get)  (GimpStroke            *stroke,
+                                          const GimpCoords      *coord1,
+                                          const GimpCoords      *coord2,
+                                          gdouble                precision,
+                                          GimpCoords            *nearest,
+                                          GimpAnchor           **ret_segment_start,
+                                          GimpAnchor           **ret_segment_end,
+                                          gdouble               *ret_pos);
+  gdouble       (* nearest_intersection_get)
+                                         (GimpStroke            *stroke,
+                                          const GimpCoords      *coord1,
+                                          const GimpCoords      *direction,
+                                          gdouble                precision,
+                                          GimpCoords            *nearest,
+                                          GimpAnchor           **ret_segment_start,
+                                          GimpAnchor           **ret_segment_end,
+                                          gdouble               *ret_pos);
+  GimpAnchor  * (* anchor_get_next)      (GimpStroke            *stroke,
+                                          const GimpAnchor      *prev);
+  void          (* anchor_select)        (GimpStroke            *stroke,
+                                          GimpAnchor            *anchor,
+                                          gboolean               selected,
+                                          gboolean               exclusive);
+  void          (* anchor_move_relative) (GimpStroke            *stroke,
+                                          GimpAnchor            *anchor,
+                                          const GimpCoords      *deltacoord,
+                                          GimpAnchorFeatureType  feature);
+  void          (* anchor_move_absolute) (GimpStroke            *stroke,
+                                          GimpAnchor            *anchor,
+                                          const GimpCoords      *coord,
+                                          GimpAnchorFeatureType  feature);
+  void          (* anchor_convert)       (GimpStroke            *stroke,
+                                          GimpAnchor            *anchor,
+                                          GimpAnchorFeatureType  feature);
+  void          (* anchor_delete)        (GimpStroke            *stroke,
+                                          GimpAnchor            *anchor);
+
+  gboolean      (* point_is_movable)     (GimpStroke            *stroke,
+                                          GimpAnchor            *predec,
+                                          gdouble                position);
+  void          (* point_move_relative)  (GimpStroke            *stroke,
+                                          GimpAnchor            *predec,
+                                          gdouble                position,
+                                          const GimpCoords      *deltacoord,
+                                          GimpAnchorFeatureType  feature);
+  void          (* point_move_absolute)  (GimpStroke            *stroke,
+                                          GimpAnchor            *predec,
+                                          gdouble                position,
+                                          const GimpCoords      *coord,
+                                          GimpAnchorFeatureType  feature);
+
+  void          (* close)                (GimpStroke            *stroke);
+  GimpStroke  * (* open)                 (GimpStroke            *stroke,
+                                          GimpAnchor            *end_anchor);
+  gboolean      (* anchor_is_insertable) (GimpStroke            *stroke,
+                                          GimpAnchor            *predec,
+                                          gdouble                position);
+  GimpAnchor  * (* anchor_insert)        (GimpStroke            *stroke,
+                                          GimpAnchor            *predec,
+                                          gdouble                position);
+  gboolean      (* is_extendable)        (GimpStroke            *stroke,
+                                          GimpAnchor            *neighbor);
+  GimpAnchor  * (* extend)               (GimpStroke            *stroke,
+                                          const GimpCoords      *coords,
+                                          GimpAnchor            *neighbor,
+                                          GimpVectorExtendMode   extend_mode);
+  gboolean      (* connect_stroke)       (GimpStroke            *stroke,
+                                          GimpAnchor            *anchor,
+                                          GimpStroke            *extension,
+                                          GimpAnchor            *neighbor);
+
+  gboolean      (* is_empty)             (GimpStroke            *stroke);
+  gdouble       (* get_length)           (GimpStroke            *stroke,
+                                          gdouble                precision);
+  gdouble       (* get_distance)         (GimpStroke            *stroke,
+                                          const GimpCoords      *coord);
+  gboolean      (* get_point_at_dist)    (GimpStroke            *stroke,
+                                          gdouble                dist,
+                                          gdouble                precision,
+                                          GimpCoords            *position,
+                                          gdouble               *slope);
+
+  GArray      * (* interpolate)          (GimpStroke            *stroke,
+                                          gdouble                precision,
+                                          gboolean              *ret_closed);
+
+  GimpStroke  * (* duplicate)            (GimpStroke            *stroke);
+
+  GimpBezierDesc * (* make_bezier)       (GimpStroke            *stroke);
+
+  void          (* translate)            (GimpStroke            *stroke,
+                                          gdouble                offset_x,
+                                          gdouble                offset_y);
+  void          (* scale)                (GimpStroke            *stroke,
+                                          gdouble                scale_x,
+                                          gdouble                scale_y);
+  void          (* rotate)               (GimpStroke            *stroke,
+                                          gdouble                center_x,
+                                          gdouble                center_y,
+                                          gdouble                angle);
+  void          (* flip)                 (GimpStroke             *stroke,
+                                          GimpOrientationType    flip_type,
+                                          gdouble                axis);
+  void          (* flip_free)            (GimpStroke            *stroke,
+                                          gdouble                x1,
+                                          gdouble                y1,
+                                          gdouble                x2,
+                                          gdouble                y2);
+  void          (* transform)            (GimpStroke            *stroke,
+                                          const GimpMatrix3     *matrix,
+                                          GQueue                *ret_strokes);
+
+  GList       * (* get_draw_anchors)     (GimpStroke            *stroke);
+  GList       * (* get_draw_controls)    (GimpStroke            *stroke);
+  GArray      * (* get_draw_lines)       (GimpStroke            *stroke);
+  GArray      * (* control_points_get)   (GimpStroke            *stroke,
+                                          gboolean              *ret_closed);
+};
+
+
+GType        gimp_stroke_get_type             (void) G_GNUC_CONST;
+
+void         gimp_stroke_set_ID               (GimpStroke            *stroke,
+                                               gint                   id);
+gint         gimp_stroke_get_ID               (GimpStroke            *stroke);
+
+
+/* accessing / modifying the anchors */
+
+GArray     * gimp_stroke_control_points_get   (GimpStroke            *stroke,
+                                               gboolean              *closed);
+
+GimpAnchor * gimp_stroke_anchor_get           (GimpStroke            *stroke,
+                                               const GimpCoords      *coord);
+
+gdouble      gimp_stroke_nearest_point_get    (GimpStroke            *stroke,
+                                               const GimpCoords      *coord,
+                                               gdouble                precision,
+                                               GimpCoords            *ret_point,
+                                               GimpAnchor           **ret_segment_start,
+                                               GimpAnchor           **ret_segment_end,
+                                               gdouble               *ret_pos);
+gdouble     gimp_stroke_nearest_tangent_get   (GimpStroke            *stroke,
+                                               const GimpCoords      *coords1,
+                                               const GimpCoords      *coords2,
+                                               gdouble                precision,
+                                               GimpCoords            *nearest,
+                                               GimpAnchor           **ret_segment_start,
+                                               GimpAnchor           **ret_segment_end,
+                                               gdouble               *ret_pos);
+gdouble  gimp_stroke_nearest_intersection_get (GimpStroke            *stroke,
+                                               const GimpCoords      *coords1,
+                                               const GimpCoords      *direction,
+                                               gdouble                precision,
+                                               GimpCoords            *nearest,
+                                               GimpAnchor           **ret_segment_start,
+                                               GimpAnchor           **ret_segment_end,
+                                               gdouble               *ret_pos);
+
+
+/* prev == NULL: "first" anchor */
+GimpAnchor * gimp_stroke_anchor_get_next      (GimpStroke            *stroke,
+                                               const GimpAnchor      *prev);
+
+void         gimp_stroke_anchor_select        (GimpStroke            *stroke,
+                                               GimpAnchor            *anchor,
+                                               gboolean               selected,
+                                               gboolean               exclusive);
+
+/* type will be an xorable enum:
+ * VECTORS_NONE, VECTORS_FIX_ANGLE, VECTORS_FIX_RATIO, VECTORS_RESTRICT_ANGLE
+ *  or so.
+ */
+void         gimp_stroke_anchor_move_relative (GimpStroke            *stroke,
+                                               GimpAnchor            *anchor,
+                                               const GimpCoords      *delta,
+                                               GimpAnchorFeatureType  feature);
+void         gimp_stroke_anchor_move_absolute (GimpStroke            *stroke,
+                                               GimpAnchor            *anchor,
+                                               const GimpCoords      *coord,
+                                               GimpAnchorFeatureType  feature);
+
+gboolean     gimp_stroke_point_is_movable     (GimpStroke            *stroke,
+                                               GimpAnchor            *predec,
+                                               gdouble                position);
+void         gimp_stroke_point_move_relative  (GimpStroke            *stroke,
+                                               GimpAnchor            *predec,
+                                               gdouble                position,
+                                               const GimpCoords      *deltacoord,
+                                               GimpAnchorFeatureType  feature);
+void         gimp_stroke_point_move_absolute  (GimpStroke            *stroke,
+                                               GimpAnchor            *predec,
+                                               gdouble                position,
+                                               const GimpCoords      *coord,
+                                               GimpAnchorFeatureType  feature);
+
+void         gimp_stroke_close                (GimpStroke            *stroke);
+
+void         gimp_stroke_anchor_convert       (GimpStroke            *stroke,
+                                               GimpAnchor            *anchor,
+                                               GimpAnchorFeatureType  feature);
+
+void         gimp_stroke_anchor_delete        (GimpStroke            *stroke,
+                                               GimpAnchor            *anchor);
+
+GimpStroke * gimp_stroke_open                 (GimpStroke            *stroke,
+                                               GimpAnchor            *end_anchor);
+gboolean     gimp_stroke_anchor_is_insertable (GimpStroke            *stroke,
+                                               GimpAnchor            *predec,
+                                               gdouble                position);
+GimpAnchor * gimp_stroke_anchor_insert        (GimpStroke            *stroke,
+                                               GimpAnchor            *predec,
+                                               gdouble                position);
+
+gboolean     gimp_stroke_is_extendable        (GimpStroke            *stroke,
+                                               GimpAnchor            *neighbor);
+
+GimpAnchor * gimp_stroke_extend               (GimpStroke            *stroke,
+                                               const GimpCoords      *coords,
+                                               GimpAnchor            *neighbor,
+                                               GimpVectorExtendMode   extend_mode);
+
+gboolean     gimp_stroke_connect_stroke       (GimpStroke            *stroke,
+                                               GimpAnchor            *anchor,
+                                               GimpStroke            *extension,
+                                               GimpAnchor            *neighbor);
+
+gboolean     gimp_stroke_is_empty             (GimpStroke            *stroke);
+
+/* accessing the shape of the curve */
+
+gdouble      gimp_stroke_get_length           (GimpStroke            *stroke,
+                                               gdouble                precision);
+gdouble      gimp_stroke_get_distance         (GimpStroke            *stroke,
+                                               const GimpCoords      *coord);
+
+gboolean     gimp_stroke_get_point_at_dist    (GimpStroke            *stroke,
+                                               gdouble                dist,
+                                               gdouble                precision,
+                                               GimpCoords            *position,
+                                               gdouble               *slope);
+
+/* returns an array of valid coordinates */
+GArray     * gimp_stroke_interpolate          (GimpStroke            *stroke,
+                                               const gdouble          precision,
+                                               gboolean              *closed);
+
+GimpStroke * gimp_stroke_duplicate            (GimpStroke            *stroke);
+
+/* creates a bezier approximation. */
+GimpBezierDesc * gimp_stroke_make_bezier      (GimpStroke            *stroke);
+
+void         gimp_stroke_translate            (GimpStroke            *stroke,
+                                               gdouble                offset_x,
+                                               gdouble                offset_y);
+void         gimp_stroke_scale                (GimpStroke            *stroke,
+                                               gdouble                scale_x,
+                                               gdouble                scale_y);
+void         gimp_stroke_rotate               (GimpStroke            *stroke,
+                                               gdouble                center_x,
+                                               gdouble                center_y,
+                                               gdouble                angle);
+void         gimp_stroke_flip                 (GimpStroke             *stroke,
+                                               GimpOrientationType    flip_type,
+                                               gdouble                axis);
+void         gimp_stroke_flip_free            (GimpStroke            *stroke,
+                                               gdouble                x1,
+                                               gdouble                y1,
+                                               gdouble                x2,
+                                               gdouble                y2);
+void         gimp_stroke_transform            (GimpStroke            *stroke,
+                                               const GimpMatrix3     *matrix,
+                                               GQueue                *ret_strokes);
+
+
+GList      * gimp_stroke_get_draw_anchors     (GimpStroke            *stroke);
+GList      * gimp_stroke_get_draw_controls    (GimpStroke            *stroke);
+GArray     * gimp_stroke_get_draw_lines       (GimpStroke            *stroke);
+
+#endif /* __GIMP_STROKE_H__ */
+