dnrops
/
gimp
mirror of https://github.com/GNOME/gimp.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity
gimp/pdb/groups/paths.pdb

637 lines
17 KiB
Plaintext
Raw Blame History

# 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 <http://www.gnu.org/licenses/>.
# "Perlized" from C source by Andy Thomas <alt@gimp.org>
sub path_list {
&std_pdb_deprecated('gimp-image-get-vectors');
@inargs = (
{ name => 'image', type => 'image',
desc => 'The image to list the paths from' }
);
@outargs = (
{ name => 'path_list', type => 'stringarray',
desc => 'List of the paths belonging to this image',
array => { name => 'num_paths',
desc => 'The number of paths returned.' } }
);
%invoke = (
code => <<'CODE'
{
path_list = gimp_container_get_name_array (gimp_image_get_vectors (image),
&num_paths);
}
CODE
);
}
sub path_get_points {
&std_pdb_deprecated('gimp-vectors-stroke-get-points');
@inargs = (
{ name => 'image', type => 'image',
desc => 'The image to list the paths from' },
{ name => 'name', type => 'string',
desc => 'The name of the path whose points should be listed.' }
);
@outargs = (
{ name => 'path_type', type => 'int32',
desc => 'The type of the path. Currently only one type (1 = Bezier)
is supported' },
{ name => 'path_closed', type => 'int32',
desc => 'Return if the path is closed. (0 = path open, 1 = path
closed)' },
{ name => 'points_pairs', type => 'floatarray',
desc => 'The points in the path represented as 3 floats. The first is
the x pos, next is the y pos, last is the type of the pnt.
The type field is dependent on the path type. For beziers
(type 1 paths) the type can either be (1.0 = BEZIER_ANCHOR,
2.0 = BEZIER_CONTROL, 3.0 = BEZIER_MOVE). Note all points
are returned in pixel resolution.',
array => { name => 'num_path_point_details',
desc => 'The number of points returned. Each point is
made up of (x, y, pnt_type) of floats.' } }
);
%invoke = (
code => <<'CODE'
{
GimpVectors *vectors = gimp_image_get_vectors_by_name (image, name);
if (vectors)
{
GimpVectorsCompatPoint *points;
gint num_points;
path_type = 1; /* BEZIER (1.2 compat) */
points = gimp_vectors_compat_get_points (vectors, &num_points,
&path_closed);
num_path_point_details = num_points * 3;
if (points)
{
gdouble *curr_point;
gint i;
points_pairs = g_new0 (gdouble, num_path_point_details);
for (i = 0, curr_point = points_pairs;
i < num_points;
i++, curr_point += 3)
{
curr_point[0] = points[i].x;
curr_point[1] = points[i].y;
curr_point[2] = points[i].type;
}
g_free (points);
}
else
success = FALSE;
}
else
success = FALSE;
}
CODE
);
}
sub path_get_current {
&std_pdb_deprecated('gimp-image-get-active-vectors');
@inargs = (
{ name => 'image', type => 'image',
desc => 'The image to get the current path from' },
);
@outargs = (
{ name => 'name', type => 'string',
desc => 'The name of the current path.' }
);
%invoke = (
code => <<'CODE'
{
GimpVectors *vectors = gimp_image_get_active_vectors (image);
if (vectors)
name = g_strdup (gimp_object_get_name (vectors));
else
success = FALSE;
}
CODE
);
}
sub path_set_current {
&std_pdb_deprecated('gimp-image-set-active-vectors');
@inargs = (
{ name => 'image', type => 'image',
desc => 'The image in which a path will become current' },
{ name => 'name', type => 'string',
desc => 'The name of the path to make current.' }
);
%invoke = (
code => <<'CODE'
{
GimpVectors *vectors = gimp_image_get_vectors_by_name (image, name);
if (vectors)
gimp_image_set_active_vectors (image, vectors);
else
success = FALSE;
}
CODE
);
}
sub path_set_points {
&std_pdb_deprecated('gimp-vectors-stroke-new-from-points');
@inargs = (
{ name => 'image', type => 'image',
desc => 'The image to set the paths in' },
{ name => 'name', type => 'string',
desc => 'The name of the path to create. If it exists then a unique
name will be created - query the list of paths if you want
to make sure that the name of the path you create is
unique. This will be set as the current path.' },
{ name => 'ptype', type => 'int32', dead => 1,
desc => 'The type of the path. Currently only one type (1 = Bezier)
is supported.' },
{ name => 'points_pairs', type => 'floatarray',
desc => 'The points in the path represented as 3 floats. The first is
the x pos, next is the y pos, last is the type of the pnt.
The type field is dependent on the path type. For beziers
(type 1 paths) the type can either be (1.0 = BEZIER_ANCHOR,
2.0 = BEZIER_CONTROL, 3.0= BEZIER_MOVE). Note all points are
returned in pixel resolution.',
array => { name => 'num_path_points',
desc => 'The number of elements in the array, i.e. the number
of points in the path * 3. Each point is
made up of (x, y, type) of floats. Currently only
the creation of bezier curves is allowed. The type
parameter must be set to (1) to indicate a BEZIER
type curve. Note that for BEZIER curves, points
must be given in the following order: ACCACCAC...
If the path is not closed the last control
point is missed off. Points consist of three
control points (control/anchor/control) so for a
curve that is not closed there must be at least
two points passed (2 x,y pairs). If
(num_path_points/3) % 3 = 0 then the path is
assumed to be closed and the points are
ACCACCACCACC.' } }
);
%invoke = (
code => <<'CODE'
{
gboolean closed = FALSE;
if ((num_path_points / 3) % 3 == 0)
closed = TRUE;
else if ((num_path_points / 3) % 3 != 2)
success = FALSE;
if (success)
{
GimpVectors *vectors;
const gdouble *curr_point_pair;
GimpVectorsCompatPoint *points;
gint n_points;
gint i;
n_points = num_path_points / 3;
points = g_new0 (GimpVectorsCompatPoint, n_points);
for (i = 0, curr_point_pair = points_pairs;
i < n_points;
i++, curr_point_pair += 3)
{
points[i].x = curr_point_pair[0];
points[i].y = curr_point_pair[1];
points[i].type = curr_point_pair[2];
}
vectors = gimp_vectors_compat_new (image, name, points, n_points,
closed);
g_free (points);
if (vectors)
success = gimp_image_add_vectors (image, vectors, NULL, 0, TRUE);
else
success = FALSE;
}
}
CODE
);
}
sub path_stroke_current {
&std_pdb_deprecated('gimp-edit-stroke-vectors');
@inargs = (
{ name => 'image', type => 'image',
desc => 'The image which contains the path to stroke' },
);
%invoke = (
headers => [ qw("core/gimpstrokeoptions.h") ],
code => <<'CODE'
{
GimpVectors *vectors = gimp_image_get_active_vectors (image);
GimpDrawable *drawable = gimp_image_get_active_drawable (image);
if (vectors && drawable &&
gimp_pdb_item_is_modifyable (GIMP_ITEM (drawable),
GIMP_PDB_ITEM_CONTENT, error) &&
gimp_pdb_item_is_not_group (GIMP_ITEM (drawable), error))
{
GimpStrokeOptions *options;
GimpPaintOptions *paint_options;
options = gimp_stroke_options_new (gimp, context, TRUE);
g_object_set (options,
"method", GIMP_STROKE_PAINT_METHOD,
NULL);
paint_options =
gimp_pdb_context_get_paint_options (GIMP_PDB_CONTEXT (context), NULL);
paint_options = gimp_config_duplicate (GIMP_CONFIG (paint_options));
success = gimp_item_stroke (GIMP_ITEM (vectors),
drawable, context, options, paint_options,
TRUE, progress, error);
g_object_unref (options);
g_object_unref (paint_options);
}
else
success = FALSE;
}
CODE
);
}
sub path_get_point_at_dist {
&std_pdb_deprecated('gimp-vectors-stroke-get-point-at-dist');
@inargs = (
{ name => 'image', type => 'image',
desc => 'The image the paths belongs to' },
{ name => 'distance', type => 'float',
desc => 'The distance along the path.' }
);
@outargs = (
{ name => 'x_point', type => 'int32',
desc => 'The x position of the point.' },
{ name => 'y_point', type => 'int32',
desc => 'The y position of the point.' },
{ name => 'slope', type => 'float',
desc => 'The slope (dy / dx) at the specified point.' }
);
%invoke = (
code => <<'CODE'
{
GimpVectors *vectors;
GimpStroke *stroke;
gdouble distance_along;
gdouble stroke_length;
gdouble stroke_distance;
GimpCoords position;
vectors = gimp_image_get_active_vectors (image);
if (vectors)
{
distance_along = 0.0;
stroke = gimp_vectors_stroke_get_next (vectors, NULL);
while (stroke != NULL )
{
stroke_length = gimp_stroke_get_length (stroke, 0.5);
if (distance_along + stroke_length < distance)
{
distance_along += stroke_length;
}
else
{
stroke_distance = distance - distance_along;
stroke_distance = stroke_distance < 0 ? 0: stroke_distance;
if (!gimp_stroke_get_point_at_dist (stroke, stroke_distance, 0.5,
&position, &slope))
{
success = FALSE;
break;
}
else
{
success = TRUE;
x_point = ROUND (position.x);
y_point = ROUND (position.y);
break;
}
}
stroke = gimp_vectors_stroke_get_next (vectors, stroke);
}
}
else
{
success = FALSE;
}
}
CODE
);
}
sub path_get_tattoo {
&std_pdb_deprecated('gimp-vectors-get-tattoo');
@inargs = (
{ name => 'image', type => 'image',
desc => 'The image' },
{ name => 'name', type => 'string',
desc => 'The name of the path whose tattoo should be obtained.' }
);
@outargs = (
{ name => 'tattoo', type => 'int32',
desc => 'The tattoo associated with the named path.' }
);
%invoke = (
code => <<'CODE'
{
GimpVectors *vectors = gimp_image_get_vectors_by_name (image, name);
if (vectors)
tattoo = gimp_item_get_tattoo (GIMP_ITEM (vectors));
else
success = FALSE;
}
CODE
);
}
sub path_set_tattoo {
&std_pdb_deprecated('gimp-vectors-set-tattoo');
@inargs = (
{ name => 'image', type => 'image',
desc => 'The image' },
{ name => 'name', type => 'string',
desc => 'the name of the path whose tattoo should be set' },
{ name => 'tattovalue', type => 'int32',
desc => "The tattoo associated with the name path. Only values
returned from 'path_get_tattoo' should be used here" }
);
%invoke = (
code => <<'CODE'
{
GimpVectors *vectors = gimp_image_get_vectors_by_name (image, name);
if (vectors)
gimp_item_set_tattoo (GIMP_ITEM (vectors), tattovalue);
else
success = FALSE;
}
CODE
);
}
sub get_path_by_tattoo {
&std_pdb_deprecated('gimp-image-get-vectors-by-tattoo');
@inargs = (
{ name => 'image', type => 'image',
desc => 'The image' },
{ name => 'tattoo', type => 'int32',
desc => 'The tattoo of the required path.' }
);
@outargs = (
{ name => 'name', type => 'string',
desc => 'The name of the path with the specified tattoo.' }
);
%invoke = (
code => <<'CODE'
{
GimpVectors *vectors = gimp_image_get_vectors_by_tattoo (image, tattoo);
if (vectors)
name = g_strdup (gimp_object_get_name (vectors));
else
success = FALSE;
}
CODE
);
}
sub path_delete {
&std_pdb_deprecated('gimp-image-remove-vectors');
@inargs = (
{ name => 'image', type => 'image',
desc => 'The image to delete the path from' },
{ name => 'name', type => 'string',
desc => 'The name of the path to delete.' }
);
%invoke = (
code => <<'CODE'
{
GimpVectors *vectors = gimp_image_get_vectors_by_name (image, name);
if (vectors)
gimp_image_remove_vectors (image, vectors, TRUE, NULL);
else
success = FALSE;
}
CODE
);
}
sub path_get_locked {
&std_pdb_deprecated('gimp-vectors-get-linked');
@inargs = (
{ name => 'image', type => 'image',
desc => 'The image' },
{ name => 'name', type => 'string',
desc => 'The name of the path whose locked status should be
obtained.' }
);
@outargs = (
{ name => 'locked', type => 'boolean',
desc => 'TRUE if the path is locked, FALSE otherwise' }
);
%invoke = (
code => <<'CODE'
{
GimpVectors *vectors = gimp_image_get_vectors_by_name (image, name);
if (vectors)
locked = gimp_item_get_linked (GIMP_ITEM (vectors));
else
success = FALSE;
}
CODE
);
}
sub path_set_locked {
&std_pdb_deprecated('gimp-vectors-set-linked');
@inargs = (
{ name => 'image', type => 'image',
desc => 'The image' },
{ name => 'name', type => 'string',
desc => 'the name of the path whose locked status should be set' },
{ name => 'locked', type => 'boolean',
desc => 'Whether the path is locked' }
);
%invoke = (
code => <<'CODE'
{
GimpVectors *vectors = gimp_image_get_vectors_by_name (image, name);
if (vectors)
gimp_item_set_linked (GIMP_ITEM (vectors), locked, TRUE);
else
success = FALSE;
}
CODE
);
}
sub path_to_selection {
&std_pdb_deprecated('gimp-vectors-to-selection');
@inargs = (
{ name => 'image', type => 'image',
desc => 'The image' },
{ name => 'name', type => 'string',
desc => 'The name of the path which should be made into selection.' },
{ name => 'op', type => 'enum GimpChannelOps',
desc => 'The desired operation with current selection' },
{ name => 'antialias', type => 'boolean',
desc => 'Antialias selection.' },
{ name => 'feather', type => 'boolean',
desc => 'Feather selection.' },
{ name => 'feather_radius_x', type => 'float',
desc => 'Feather radius x.' },
{ name => 'feather_radius_y', type => 'float',
desc => 'Feather radius y.' }
);
%invoke = (
code => <<'CODE'
{
GimpVectors *vectors = gimp_image_get_vectors_by_name (image, name);
if (vectors)
gimp_item_to_selection (GIMP_ITEM (vectors),
op,
antialias,
feather,
feather_radius_x,
feather_radius_y);
else
success = FALSE;
}
CODE
);
}
sub path_import {
&std_pdb_deprecated('gimp-vectors-import-from-file');
@inargs = (
{ name => 'image', type => 'image',
desc => 'The image' },
{ name => 'filename', type => 'string', allow_non_utf8 => 1,
desc => 'The name of the SVG file to import.' },
{ name => 'merge', type => 'boolean',
desc => 'Merge paths into a single vectors object.' },
{ name => 'scale', type => 'boolean',
desc => 'Scale the SVG to image dimensions.' }
);
%invoke = (
headers => [ qw("vectors/gimpvectors-import.h") ],
code => <<'CODE'
{
GFile *file = g_file_new_for_path (filename);
success = gimp_vectors_import_file (image, file,
merge, scale, NULL, -1, NULL, NULL);
g_object_unref (file);
}
CODE
);
}
@headers = qw(<string.h>
"libgimpconfig/gimpconfig.h"
"libgimpmath/gimpmath.h"
"core/gimplist.h"
"vectors/gimpanchor.h"
"vectors/gimpbezierstroke.h"
"vectors/gimpvectors.h"
"vectors/gimpvectors-compat.h"
"gimppdb-utils.h"
"gimppdbcontext.h"
"gimp-intl.h");
@procs = qw(path_list path_get_current path_set_current path_delete
path_get_points path_set_points
path_stroke_current path_get_point_at_dist
path_get_tattoo path_set_tattoo get_path_by_tattoo
path_get_locked path_set_locked
path_to_selection path_import);
%exports = (app => [@procs], lib => [@procs]);
$desc = 'Paths';
$doc_title = 'gimppaths';
$doc_short_desc = 'Deprecated operations related to paths.';
$doc_long_desc = 'Deprecated operations related to paths.';
1;
Reference in New Issue View Git Blame Copy Permalink