gimp/tools/pdbgen/pdb/transform_tools.pdb

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# The GIMP -- an 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 2 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, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
# "Perlized" from C source by Manish Singh <yosh@gimp.org>
sub flip {
&std_pdb_deprecated ('gimp-drawable-transform-flip-simple');
@inargs = (
{ name => 'drawable', type => 'drawable',
desc => 'The affected drawable' },
{ name => 'flip_type',
type => 'enum GimpOrientationType (no GIMP_ORIENTATION_UNKNOWN)',
desc => 'Type of flip' }
);
@outargs = (
{ name => 'drawable', type => 'drawable', no_declare => 1,
desc => 'The flipped drawable' }
);
%invoke = (
code => <<'CODE'
{
gint x, y, width, height;
success = gimp_item_is_attached (GIMP_ITEM (drawable));
if (success &&
gimp_drawable_mask_intersect (drawable, &x, &y, &width, &height))
{
success = gimp_drawable_transform_flip (drawable, context,
flip_type, TRUE, 0.0, FALSE);
}
}
CODE
);
}
sub perspective {
&std_pdb_deprecated ('gimp-drawable-transform-perspective-default');
@inargs = (
{ name => 'drawable', type => 'drawable',
desc => 'The affected drawable' },
{ name => 'interpolation', type => 'boolean',
desc => 'Whether to use interpolation' },
{ name => 'x0', type => 'float',
desc => 'The new x coordinate of upper-left corner of original
bounding box' },
{ name => 'y0', type => 'float',
desc => 'The new y coordinate of upper-left corner of original
bounding box' },
{ name => 'x1', type => 'float',
desc => 'The new x coordinate of upper-right corner of original
bounding box' },
{ name => 'y1', type => 'float',
desc => 'The new y coordinate of upper-right corner of original
bounding box' },
{ name => 'x2', type => 'float',
desc => 'The new x coordinate of lower-left corner of original
bounding box' },
{ name => 'y2', type => 'float',
desc => 'The new y coordinate of lower-left corner of original
bounding box' },
{ name => 'x3', type => 'float',
desc => 'The new x coordinate of lower-right corner of original
bounding box' },
{ name => 'y3', type => 'float',
desc => 'The new y coordinate of lower-right corner of original
bounding box' }
);
@outargs = (
{ name => 'drawable', type => 'drawable', no_declare => 1,
desc => 'The newly mapped drawable' }
);
%invoke = (
code => <<'CODE'
{
gint x, y, width, height;
success = gimp_item_is_attached (GIMP_ITEM (drawable));
if (success &&
gimp_drawable_mask_intersect (drawable, &x, &y, &width, &height))
{
GimpMatrix3 matrix;
GimpInterpolationType interpolation_type = GIMP_INTERPOLATION_NONE;
gint off_x, off_y;
gimp_item_offsets (GIMP_ITEM (drawable), &off_x, &off_y);
x += off_x;
y += off_y;
/* Assemble the transformation matrix */
gimp_matrix3_identity (&matrix);
gimp_transform_matrix_perspective (&matrix,
x, y, width, height,
x0, y0, x1, y1,
x2, y2, x3, y3);
if (interpolation)
interpolation_type = gimp->config->interpolation_type;
if (progress)
gimp_progress_start (progress, _("Perspective"), FALSE);
/* Perspective the selection */
success = gimp_drawable_transform_affine (drawable, context,
&matrix,
GIMP_TRANSFORM_FORWARD,
interpolation_type, TRUE, 3,
FALSE, progress);
if (progress)
gimp_progress_end (progress);
}
}
CODE
);
}
sub rotate {
&std_pdb_deprecated ('gimp-drawable-transform-rotate-default');
@inargs = (
{ name => 'drawable', type => 'drawable',
desc => 'The affected drawable' },
{ name => 'interpolation', type => 'boolean',
desc => 'Whether to use interpolation' },
{ name => 'angle', type => 'float',
desc => 'The angle of rotation (radians)' }
);
@outargs = (
{ name => 'drawable', type => 'drawable', no_declare => 1,
desc => 'The rotated drawable' }
);
%invoke = (
code => <<'CODE'
{
gint x, y, width, height;
success = gimp_item_is_attached (GIMP_ITEM (drawable));
if (success &&
gimp_drawable_mask_intersect (drawable, &x, &y, &width, &height))
{
GimpMatrix3 matrix;
GimpInterpolationType interpolation_type = GIMP_INTERPOLATION_NONE;
gint off_x, off_y;
gimp_item_offsets (GIMP_ITEM (drawable), &off_x, &off_y);
x += off_x;
y += off_y;
/* Assemble the transformation matrix */
gimp_matrix3_identity (&matrix);
gimp_transform_matrix_rotate_rect (&matrix,
x, y, width, height,
angle);
if (interpolation)
interpolation_type = gimp->config->interpolation_type;
if (progress)
gimp_progress_start (progress, _("Rotating"), FALSE);
/* Rotate the selection */
success = gimp_drawable_transform_affine (drawable, context,
&matrix,
GIMP_TRANSFORM_FORWARD,
interpolation_type, FALSE, 3,
FALSE, progress);
if (progress)
gimp_progress_end (progress);
}
}
CODE
);
}
sub scale {
&std_pdb_deprecated ('gimp-drawable-transform-scale-default');
@inargs = (
{ name => 'drawable', type => 'drawable',
desc => 'The affected drawable' },
{ name => 'interpolation', type => 'boolean',
desc => 'Whether to use interpolation' },
{ name => 'x0', type => 'float',
desc => 'The new x coordinate of the upper-left corner of the
scaled region' },
{ name => 'y0', type => 'float',
desc => 'The new y coordinate of the upper-left corner of the
scaled region' },
{ name => 'x1', type => 'float',
desc => 'The new x coordinate of the lower-right corner of the
scaled region' },
{ name => 'y1', type => 'float',
desc => 'The new y coordinate of the lower-right corner of the
scaled region' }
);
@outargs = (
{ name => 'drawable', type => 'drawable', no_declare => 1,
desc => 'The scaled drawable' }
);
%invoke = (
code => <<'CODE'
{
gint x, y, width, height;
success = (gimp_item_is_attached (GIMP_ITEM (drawable)) &&
x0 < x1 && y0 < y1);
if (success &&
gimp_drawable_mask_intersect (drawable, &x, &y, &width, &height))
{
GimpMatrix3 matrix;
GimpInterpolationType interpolation_type = GIMP_INTERPOLATION_NONE;
gint off_x, off_y;
gimp_item_offsets (GIMP_ITEM (drawable), &off_x, &off_y);
x += off_x;
y += off_y;
/* Assemble the transformation matrix */
gimp_matrix3_identity (&matrix);
gimp_transform_matrix_scale (&matrix,
x, y, width, height,
x0, y0, x1 - x0, y1 - y0);
if (interpolation)
interpolation_type = gimp->config->interpolation_type;
if (progress)
gimp_progress_start (progress, _("Scaling"), FALSE);
/* Scale the selection */
success = gimp_drawable_transform_affine (drawable, context,
&matrix,
GIMP_TRANSFORM_FORWARD,
interpolation_type, TRUE, 3,
FALSE, progress);
if (progress)
gimp_progress_end (progress);
}
}
CODE
);
}
sub shear {
&std_pdb_deprecated ('gimp-drawable-transform-shear-default');
@inargs = (
{ name => 'drawable', type => 'drawable',
desc => 'The affected drawable' },
{ name => 'interpolation', type => 'boolean',
desc => 'Whether to use interpolation' },
{ name => 'shear_type',
type => 'enum GimpOrientationType (no GIMP_ORIENTATION_UNKNOWN)',
desc => 'Type of shear' },
{ name => 'magnitude', type => 'float',
desc => 'The magnitude of the shear' }
);
@outargs = (
{ name => 'drawable', type => 'drawable', no_declare => 1,
desc => 'The sheared drawable' }
);
%invoke = (
code => <<'CODE'
{
gint x, y, width, height;
success = gimp_item_is_attached (GIMP_ITEM (drawable));
if (success &&
gimp_drawable_mask_intersect (drawable, &x, &y, &width, &height))
{
GimpMatrix3 matrix;
GimpInterpolationType interpolation_type = GIMP_INTERPOLATION_NONE;
gint off_x, off_y;
gimp_item_offsets (GIMP_ITEM (drawable), &off_x, &off_y);
x += off_x;
y += off_y;
/* Assemble the transformation matrix */
gimp_matrix3_identity (&matrix);
gimp_transform_matrix_shear (&matrix,
x, y, width, height,
shear_type, magnitude);
if (interpolation)
interpolation_type = gimp->config->interpolation_type;
if (progress)
gimp_progress_start (progress, _("Shearing"), FALSE);
/* Shear the selection */
success = gimp_drawable_transform_affine (drawable, context,
&matrix,
GIMP_TRANSFORM_FORWARD,
interpolation_type, FALSE, 3,
FALSE, progress);
if (progress)
gimp_progress_end (progress);
}
}
CODE
);
}
sub transform_2d {
&std_pdb_deprecated ('gimp-drawable-transform-2d-default');
@inargs = (
{ name => 'drawable', type => 'drawable',
desc => 'The affected drawable' },
{ name => 'interpolation', type => 'boolean',
desc => 'Whether to use interpolation' },
{ name => 'source_x', type => 'float',
desc => 'X coordinate of the transformation center' },
{ name => 'source_y', type => 'float',
desc => 'Y coordinate of the transformation center' },
{ name => 'scale_x', type => 'float',
desc => 'Amount to scale in x direction' },
{ name => 'scale_y', type => 'float',
desc => 'Amount to scale in y direction' },
{ name => 'angle', type => 'float',
desc => 'The angle of rotation (radians)' },
{ name => 'dest_x', type => 'float',
desc => 'X coordinate of where the centre goes' },
{ name => 'dest_y', type => 'float',
desc => 'Y coordinate of where the centre goes' }
);
@outargs = (
{ name => 'drawable', type => 'drawable', no_declare => 1,
desc => 'The transformed drawable' }
);
%invoke = (
code => <<'CODE'
{
gint x, y, width, height;
success = gimp_item_is_attached (GIMP_ITEM (drawable));
if (success &&
gimp_drawable_mask_intersect (drawable, &x, &y, &width, &height))
{
GimpMatrix3 matrix;
GimpInterpolationType interpolation_type = GIMP_INTERPOLATION_NONE;
/* Assemble the transformation matrix */
gimp_matrix3_identity (&matrix);
gimp_matrix3_translate (&matrix, -source_x, -source_y);
gimp_matrix3_scale (&matrix, scale_x, scale_y);
gimp_matrix3_rotate (&matrix, angle);
gimp_matrix3_translate (&matrix, dest_x, dest_y);
if (interpolation)
interpolation_type = gimp->config->interpolation_type;
if (progress)
gimp_progress_start (progress, _("2D Transform"), FALSE);
/* Transform the selection */
success = gimp_drawable_transform_affine (drawable, context,
&matrix, GIMP_TRANSFORM_FORWARD,
interpolation_type, TRUE, 3,
FALSE, progress);
if (progress)
gimp_progress_end (progress);
}
}
CODE
);
}
@headers = qw("libgimpmath/gimpmath.h" "config/gimpcoreconfig.h"
"core/gimp.h" "core/gimp-transform-utils.h" "core/gimpimage.h"
"core/gimpdrawable.h" "core/gimpdrawable-transform.h"
"core/gimpprogress.h"
"gimp-intl.h");
@procs = qw(flip perspective rotate scale shear transform_2d);
%exports = (app => [@procs], lib => [@procs]);
$desc = 'Transform Tool procedures';
1;