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Changed the "gradient" parameter to "slope" to make it more clear what the
2004-12-14 Simon Budig <simon@gimp.org> * app/vectors/gimpstroke.[ch]: Changed the "gradient" parameter to "slope" to make it more clear what the returned result is (which was wrong earlier). * tools/pdbgen/pdb/paths.pdb: changed accordingly * app/pdb/paths_cmds.c * libgimp/gimppaths_pdb.[ch] * devel-docs/libgimp/tmpl/gimppaths.sgml: regenerated. Fixes bug #161274.
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Simon Budig
Simon Budig
parent
9dda832758
commit
7323c5a07d
8 changed files with 41 additions and 28 deletions
13
ChangeLog
13
ChangeLog
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@ -1,3 +1,16 @@
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2004-12-14 Simon Budig <simon@gimp.org>
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* app/vectors/gimpstroke.[ch]: Changed the "gradient" parameter
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to "slope" to make it more clear what the returned result is (which
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was wrong earlier).
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* tools/pdbgen/pdb/paths.pdb: changed accordingly
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* app/pdb/paths_cmds.c
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* libgimp/gimppaths_pdb.[ch]
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* devel-docs/libgimp/tmpl/gimppaths.sgml: regenerated.
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Fixes bug #161274.
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2004-12-14 Maurits Rijk <m.rijk@chello.nl>
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* plug-ins/imagemap/imap_selection.c: don't use
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@ -666,7 +666,7 @@ path_get_point_at_dist_invoker (Gimp *gimp,
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gdouble distance;
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gint32 x_point = 0;
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gint32 y_point = 0;
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gdouble gradient = 0;
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gdouble slope = 0;
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GimpVectors *vectors;
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GimpStroke *stroke;
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gdouble distance_along;
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@ -703,7 +703,7 @@ path_get_point_at_dist_invoker (Gimp *gimp,
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stroke_distance = stroke_distance < 0 ? 0: stroke_distance;
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if (!gimp_stroke_get_point_at_dist (stroke, stroke_distance, 0.5,
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&position, &gradient))
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&position, &slope))
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{
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success = FALSE;
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break;
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@ -732,7 +732,7 @@ path_get_point_at_dist_invoker (Gimp *gimp,
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{
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return_args[1].value.pdb_int = x_point;
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return_args[2].value.pdb_int = y_point;
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return_args[3].value.pdb_float = gradient;
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return_args[3].value.pdb_float = slope;
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}
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return return_args;
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@ -766,8 +766,8 @@ static ProcArg path_get_point_at_dist_outargs[] =
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},
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{
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GIMP_PDB_FLOAT,
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"gradient",
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"The gradient at the specified point."
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"slope",
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"The slope (dy / dx) at the specified point."
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}
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};
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@ -155,7 +155,7 @@ static gboolean gimp_stroke_real_get_point_at_dist (const GimpStroke *stroke,
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const gdouble dist,
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const gdouble precision,
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GimpCoords *position,
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gdouble *gradient);
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gdouble *slope);
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/* private variables */
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@ -872,13 +872,13 @@ gimp_stroke_real_get_length (const GimpStroke *stroke,
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GArray *points;
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gint i;
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gdouble length;
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GimpCoords difference;
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GimpCoords difference;
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g_return_val_if_fail (GIMP_IS_STROKE (stroke), -1);
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if (!stroke->anchors)
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return -1;
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points = gimp_stroke_interpolate (stroke, precision, NULL);
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if (points == NULL)
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return -1;
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@ -887,7 +887,7 @@ gimp_stroke_real_get_length (const GimpStroke *stroke,
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for (i = 0; i < points->len - 1; i++ )
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{
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gimp_coords_difference (&(g_array_index (points, GimpCoords, i)),
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gimp_coords_difference (&(g_array_index (points, GimpCoords, i)),
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&(g_array_index (points, GimpCoords, i+1)),
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&difference);
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length += gimp_coords_length (&difference);
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@ -1230,7 +1230,7 @@ gimp_stroke_get_point_at_dist (const GimpStroke *stroke,
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const gdouble dist,
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const gdouble precision,
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GimpCoords *position,
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gdouble *gradient)
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gdouble *slope)
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{
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g_return_val_if_fail (GIMP_IS_STROKE (stroke), FALSE);
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@ -1238,7 +1238,7 @@ gimp_stroke_get_point_at_dist (const GimpStroke *stroke,
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dist,
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precision,
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position,
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gradient);
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slope);
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}
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@ -1247,7 +1247,7 @@ gimp_stroke_real_get_point_at_dist (const GimpStroke *stroke,
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const gdouble dist,
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const gdouble precision,
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GimpCoords *position,
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gdouble *gradient)
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gdouble *slope)
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{
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GArray *points;
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gint i;
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@ -1285,16 +1285,16 @@ gimp_stroke_real_get_point_at_dist (const GimpStroke *stroke,
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u, &(g_array_index (points, GimpCoords , i+1)),
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position);
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if (difference.y == 0)
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*gradient = G_MAXDOUBLE;
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else
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*gradient = difference.x / difference.y;
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if (difference.x == 0)
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*slope = G_MAXDOUBLE;
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else
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*slope = difference.y / difference.x;
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ret = TRUE;
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break;
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}
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}
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g_array_free (points, TRUE);
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return ret;
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@ -123,7 +123,7 @@ struct _GimpStrokeClass
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const gdouble dist,
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const gdouble precision,
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GimpCoords *position,
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gdouble *gradient);
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gdouble *slope);
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GArray * (* interpolate) (const GimpStroke *stroke,
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const gdouble precision,
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@ -252,8 +252,8 @@ gboolean gimp_stroke_get_point_at_dist (const GimpStroke *stroke,
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const gdouble dist,
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const gdouble precision,
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GimpCoords *position,
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gdouble *gradient);
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gdouble *slope);
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/* returns an array of valid coordinates */
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GArray * gimp_stroke_interpolate (const GimpStroke *stroke,
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const gdouble precision,
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@ -86,7 +86,7 @@ Operations related to paths.
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@image_ID:
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@distance:
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@y_point:
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@gradient:
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@slope:
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@Returns:
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@ -284,7 +284,7 @@ gimp_path_stroke_current (gint32 image_ID)
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* @image_ID: The ID of the image the paths belongs to.
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* @distance: The distance along the path.
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* @y_point: The y position of the point.
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* @gradient: The gradient at the specified point.
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* @slope: The slope (dy / dx) at the specified point.
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*
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* Get point on a path at a specified distance along the path.
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*
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@ -301,7 +301,7 @@ gint
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gimp_path_get_point_at_dist (gint32 image_ID,
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gdouble distance,
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gint *y_point,
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gdouble *gradient)
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gdouble *slope)
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{
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GimpParam *return_vals;
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gint nreturn_vals;
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@ -317,7 +317,7 @@ gimp_path_get_point_at_dist (gint32 image_ID,
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{
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x_point = return_vals[1].data.d_int32;
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*y_point = return_vals[2].data.d_int32;
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*gradient = return_vals[3].data.d_float;
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*slope = return_vals[3].data.d_float;
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}
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gimp_destroy_params (return_vals, nreturn_vals);
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@ -50,7 +50,7 @@ gboolean gimp_path_stroke_current (gint32 image_ID);
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gint gimp_path_get_point_at_dist (gint32 image_ID,
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gdouble distance,
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gint *y_point,
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gdouble *gradient);
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gdouble *slope);
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gint gimp_path_get_tattoo (gint32 image_ID,
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const gchar *name);
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gboolean gimp_path_set_tattoo (gint32 image_ID,
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@ -351,8 +351,8 @@ HELP
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desc => 'The x position of the point.', init => 1 },
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{ name => 'y_point', type => 'int32',
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desc => 'The y position of the point.', init => 1 },
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{ name => 'gradient', type => 'float',
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desc => 'The gradient at the specified point.', init => 1 }
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{ name => 'slope', type => 'float',
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desc => 'The slope (dy / dx) at the specified point.', init => 1 }
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);
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%invoke = (
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@ -382,7 +382,7 @@ HELP
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stroke_distance = stroke_distance < 0 ? 0: stroke_distance;
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if (!gimp_stroke_get_point_at_dist (stroke, stroke_distance, 0.5,
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&position, &gradient))
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&position, &slope))
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{
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success = FALSE;
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break;
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