d0ab9a7470
2004-10-27 Michael Natterer <mitch@gimp.org> * app/core/gimp-transform-utils.[ch]. switch from x1,y1,x2,y2 bounding boxes to x,y,width,height ones. Added gimp_transform_matrix_flip_free(). Renamed some parameters to be consistent with others. Some internal cleanup. * app/tools/gimpperspectivetool.c * app/tools/gimpscaletool.c * app/tools/gimpsheartool.c * tools/pdbgen/pdb/drawable_transform.pdb * tools/pdbgen/pdb/transform_tools.pdb: changed accordingly. * tools/pdbgen/pdb/drawable_transform.pdb * tools/pdbgen/pdb/transform_tools.pdb: guard all transform wrappers with if(gimp_drawable_mask_intersect(...)), also the ones which don't need the returned bounding box. * tools/pdbgen/pdb/drawable_transform.pdb: renamed some parameters and added gimp_drawable_transform_matrix() which takes the 9 coefficients of a 3x3 matrix for ultimate flexibility ;) * app/pdb/drawable_transform_cmds.c * app/pdb/internal_procs.c * app/pdb/transform_tools_cmds.c * libgimp/gimpdrawabletransform_pdb.[ch]: regenerated.
690 lines
23 KiB
Text
690 lines
23 KiB
Text
# The GIMP -- an image manipulation program
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# Copyright (C) 1995 Spencer Kimball and Peter Mattis
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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# "Perlized" from C source by Manish Singh <yosh@gimp.org>
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# Derived from old transform_tools by
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# Joao S. O. Bueno Calligaris <gwidion@mpc.com.br>
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# Drawable Transformations
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# shortcuts
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sub pdb_misc {
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$author = $copyright = 'João S. O. Bueno Calligaris';
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$date = '2004';
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$since = '2.2';
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}
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sub drawable_arg () {{
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name => 'drawable',
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type => 'drawable',
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desc => 'The affected drawable'
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}}
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sub clip_result_arg () {{
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name => 'clip_result',
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type => 'boolean',
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desc => 'Whether to clip results'
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}}
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sub transform_options_args ()
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{
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{
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name => 'transform_direction', type => 'enum GimpTransformDirection',
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desc => 'Direction of Transformation: { %%desc%% } '
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},
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{
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name => 'interpolation', type => 'enum GimpInterpolationType',
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desc => 'Type of interpolation: { %%desc%% } '
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},
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{
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name => 'supersample', type => 'boolean',
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desc => 'Whether to perform supersample'
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},
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{
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name => 'recursion_level', type => '0 < int32',
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desc => 'Level of recursion (3 is a nice default)'
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}
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}
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sub drawable_out_arg {
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my $type = shift;
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my $arg = &drawable_arg;
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$arg->{desc} = "The $type drawable";
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$arg->{no_declare} = 1;
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$arg;
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}
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# The defs
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sub drawable_transform_flip {
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$blurb = <<'BLURB';
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Flip the specified drawable either vertically or horizontally.
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BLURB
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$help = <<'HELP';
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This procedure flips the specified drawable if no selection exists. If
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a selection exists, the portion of the drawable which lies under the
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selection is cut from the drawable and made into a floating selection
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which is then flipped. If center is set to true, the flip is around
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the image center. Otherwise, the coordinate of the axis needs to be
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specified.
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The return value is the ID of the flipped drawable. If there was no
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selection, this will be equal to the drawable ID supplied as input.
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Otherwise, this will be the newly created and flipped drawable.
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HELP
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&pdb_misc;
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@inargs = (
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&drawable_arg,
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{ name => 'flip_type', type => &std_orientation_enum,
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desc => 'Type of flip: %%desc%%' },
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{ name => 'center', type => 'boolean',
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desc => 'Whether to automatically position the axis in the image center' },
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{ name => 'axis', type => 'float',
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desc => 'coord. of flip axis' },
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&transform_options_args,
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&clip_result_arg,
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);
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@outargs = ( &drawable_out_arg('flipped') );
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%invoke = (
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code => <<'CODE'
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{
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gint x, y, width, height;
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success = gimp_item_is_attached (GIMP_ITEM (drawable));
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if (success &&
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gimp_drawable_mask_intersect (drawable, &x, &y, &width, &height))
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{
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success = gimp_drawable_transform_flip (drawable,
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context,
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transform_direction,
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center, axis,
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clip_result);
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}
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}
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CODE
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);
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}
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sub drawable_transform_flip_free {
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$blurb = <<'BLURB';
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Flip the specified drawable around a given line.
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BLURB
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$help = <<'HELP';
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This procedure flips the specified drawable if no selection exists. If
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a selection exists, the portion of the drawable which lies under the
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selection is cut from the drawable and made into a floating selection
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which is then flipped. The axis to flip around is specified by
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specifying two points from that line.
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The return value is the ID of the flipped drawable. If there was no
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selection, this will be equal to the drawable ID supplied as input.
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Otherwise, this will be the newly created and flipped drawable. The clip
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results parameter specifies wheter current selection will affect the transform.
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HELP
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&pdb_misc;
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@inargs = (
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&drawable_arg,
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{ name => 'x0', type => 'float',
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desc => 'horz. coord. of one end of axis' },
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{ name => 'y0', type => 'float',
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desc => 'vert. coord. of one end of axis' },
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{ name => 'x1', type => 'float',
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desc => 'horz. coord. of other end of axis' },
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{ name => 'y1', type => 'float',
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desc => 'vert. coord. of other end of axis' },
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&transform_options_args,
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&clip_result_arg,
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);
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@outargs = ( &drawable_out_arg('flipped') );
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%invoke = (
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code => <<'CODE'
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{
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gint x, y, width, height;
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success = gimp_item_is_attached (GIMP_ITEM (drawable));
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if (success &&
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gimp_drawable_mask_intersect (drawable, &x, &y, &width, &height))
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{
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GimpMatrix3 matrix;
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/* Assemble the transformation matrix */
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gimp_transform_matrix_flip_free (x, y, width, height,
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x0, y0, x1, y1,
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&matrix);
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if (progress)
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gimp_progress_start (progress, _("Flip..."), FALSE);
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/* Transform the selection */
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success = gimp_drawable_transform_affine (drawable, context,
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&matrix,
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transform_direction,
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interpolation,
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supersample,
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recursion_level,
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clip_result,
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progress);
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if (progress)
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gimp_progress_end (progress);
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}
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}
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CODE
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);
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}
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sub drawable_transform_perspective {
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$blurb = <<'BLURB';
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Perform a possibly non-affine transformation on the specified drawable, with extra parameters.
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BLURB
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$help = <<'HELP';
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This procedure performs a possibly non-affine transformation on the
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specified drawable by allowing the corners of the original bounding
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box to be arbitrarily remapped to any values. The specified drawable
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is remapped if no selection exists. However, if a selection exists,
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the portion of the drawable which lies under the selection is cut from
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the drawable and made into a floating selection which is then remapped
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as specified. The return value is the ID of the remapped drawable. If
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there was no selection, this will be equal to the drawable ID supplied
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as input. Otherwise, this will be the newly created and remapped
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drawable. The 4 coordinates specify the new locations of each corner
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of the original bounding box. By specifying these values, any affine
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transformation (rotation, scaling, translation) can be
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affected. Additionally, these values can be specified such that the
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resulting transformed drawable will appear to have been projected via
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a perspective transform.
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HELP
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&pdb_misc;
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@inargs = (
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&drawable_arg
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);
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my $pos = 0;
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foreach $where (qw(upper-left upper-right lower-left lower-right)) {
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foreach (qw(x y)) {
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push @inargs,
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{ name => "$_$pos", type => 'float',
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desc => "The new $_ coordinate of $where corner of original
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bounding box",
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alias => "trans_info[\U$_\E$pos]", no_declare => 1 }
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}
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$pos++;
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}
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@inargs = (@inargs,
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&transform_options_args,
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&clip_result_arg
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);
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@outargs = ( &drawable_out_arg('newly mapped') );
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%invoke = (
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vars => [ 'gdouble trans_info[8]' ],
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code => <<'CODE'
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{
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gint x, y, width, height;
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success = gimp_item_is_attached (GIMP_ITEM (drawable));
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if (success &&
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gimp_drawable_mask_intersect (drawable, &x, &y, &width, &height))
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{
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GimpMatrix3 matrix;
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/* Assemble the transformation matrix */
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gimp_transform_matrix_perspective (x, y, width, height,
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trans_info[X0], trans_info[Y0],
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trans_info[X1], trans_info[Y1],
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trans_info[X2], trans_info[Y2],
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trans_info[X3], trans_info[Y3],
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&matrix);
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if (progress)
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gimp_progress_start (progress, _("Perspective..."), FALSE);
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/* Perspective the selection */
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success = gimp_drawable_transform_affine (drawable, context,
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&matrix,
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transform_direction,
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interpolation, supersample,
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recursion_level,
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clip_result,
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progress);
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if (progress)
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gimp_progress_end (progress);
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}
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}
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CODE
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);
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}
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sub drawable_transform_rotate {
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$blurb = <<'BLURB';
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Rotate the specified drawable about given coordinates through the specified angle.
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BLURB
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$help = <<'HELP';
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This function rotates the specified drawable if no selection
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exists. If a selection exists, the portion of the drawable which lies
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under the selection is cut from the drawable and made into a floating
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selection which is then rotated by the specified amount. The return
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value is the ID of the rotated drawable. If there was no selection,
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this will be equal to the drawable ID supplied as input. Otherwise,
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this will be the newly created and rotated drawable.
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HELP
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&pdb_misc;
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@inargs = (
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&drawable_arg,
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{ name => 'angle', type => 'float',
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desc => 'The angle of rotation (radians)' },
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{ name => 'center_x', type => 'int32',
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desc => 'The hor. coordinate of the center of rotation' },
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{ name => 'center_y', type => 'int32',
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desc => 'The vert. coordinate of the center of rotation' },
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&transform_options_args,
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&clip_result_arg
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);
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@outargs = ( &drawable_out_arg('rotated') );
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%invoke = (
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code => <<'CODE'
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{
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gint x, y, width, height;
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success = gimp_item_is_attached (GIMP_ITEM (drawable));
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if (success &&
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gimp_drawable_mask_intersect (drawable, &x, &y, &width, &height))
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{
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GimpMatrix3 matrix;
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/* Assemble the transformation matrix */
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gimp_transform_matrix_rotate_center (center_x, center_y, angle,
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&matrix);
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if (progress)
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gimp_progress_start (progress, _("Rotating..."), FALSE);
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/* Rotate the selection */
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success = gimp_drawable_transform_affine (drawable, context,
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&matrix, transform_direction,
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interpolation, supersample,
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recursion_level,
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clip_result, progress);
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if (progress)
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gimp_progress_end (progress);
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}
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}
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CODE
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);
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}
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sub drawable_transform_scale {
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$blurb = 'Scale the specified drawable with extra parameters';
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$help = <<'HELP';
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This procedure scales the specified drawable if no selection
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exists. If a selection exists, the portion of the drawable which lies
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under the selection is cut from the drawable and made into a floating
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selection which is then scaled by the specified amount. The return
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value is the ID of the scaled drawable. If there was no selection,
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this will be equal to the drawable ID supplied as input. Otherwise,
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this will be the newly created and scaled drawable.
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HELP
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&pdb_misc;
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@inargs = (
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&drawable_arg
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);
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my $pos = 0;
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foreach $where (qw(upper-left lower-right)) {
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foreach (qw(x y)) {
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push @inargs,
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{ name => "$_$pos", type => 'float',
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desc => "The new $_ coordinate of $where corner of newly
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scaled region",
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alias => "trans_info[\U$_\E$pos]", no_declare => 1 }
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}
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$pos++;
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}
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@inargs = (@inargs,
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&transform_options_args,
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&clip_result_arg
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);
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@outargs = ( &drawable_out_arg('scaled') );
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%invoke = (
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vars => [ 'gdouble trans_info[4]' ],
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code => <<'CODE'
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{
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gint x, y, width, height;
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success = (gimp_item_is_attached (GIMP_ITEM (drawable)) &&
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trans_info[X0] < trans_info[X1] &&
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trans_info[Y0] < trans_info[X1]);
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if (success &&
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gimp_drawable_mask_intersect (drawable, &x, &y, &width, &height))
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{
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GimpMatrix3 matrix;
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/* Assemble the transformation matrix */
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gimp_transform_matrix_scale (x, y, width, height,
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trans_info[X0],
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trans_info[Y0],
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trans_info[X1] - trans_info[X0],
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trans_info[Y1] - trans_info[Y0],
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&matrix);
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if (progress)
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gimp_progress_start (progress, _("Scaling..."), FALSE);
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/* Scale the selection */
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success = gimp_drawable_transform_affine (drawable, context,
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&matrix,
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transform_direction,
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interpolation, supersample,
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recursion_level,
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clip_result, progress);
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if (progress)
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gimp_progress_end (progress);
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}
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}
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CODE
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);
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}
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sub drawable_transform_shear {
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$blurb = <<'BLURB';
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Shear the specified drawable about its center by the specified magnitude, with extra parameters.
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BLURB
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$help = <<'HELP';
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This procedure shears the specified drawable if no selection
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exists. If a selection exists, the portion of the drawable which lies
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under the selection is cut from the drawable and made into a floating
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selection which is then sheard by the specified amount. The return
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value is the ID of the sheard drawable. If there was no selection,
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this will be equal to the drawable ID supplied as input. Otherwise,
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this will be the newly created and sheard drawable. The shear type
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parameter indicates whether the shear will be applied horizontally or
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vertically. The magnitude can be either positive or negative and
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indicates the extent (in pixels) to shear by.
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HELP
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&pdb_misc;
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@inargs = (
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&drawable_arg,
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{ name => 'shear_type', type => &std_orientation_enum,
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desc => 'Type of shear: %%desc%%' },
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{ name => 'magnitude', type => 'float',
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desc => 'The magnitude of the shear' },
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&transform_options_args,
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&clip_result_arg
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);
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@outargs = ( &drawable_out_arg('sheared') );
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%invoke = (
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code => <<'CODE'
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{
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gint x, y, width, height;
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success = gimp_item_is_attached (GIMP_ITEM (drawable));
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if (success &&
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gimp_drawable_mask_intersect (drawable, &x, &y, &width, &height))
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{
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GimpMatrix3 matrix;
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/* Assemble the transformation matrix */
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gimp_transform_matrix_shear (x, y, width, height,
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shear_type, magnitude,
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&matrix);
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if (progress)
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gimp_progress_start (progress, _("Shearing..."), FALSE);
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/* Shear the selection */
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success = gimp_drawable_transform_affine (drawable, context,
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&matrix,
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transform_direction,
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interpolation, supersample,
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recursion_level,
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clip_result, progress);
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if (progress)
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gimp_progress_end (progress);
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}
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}
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CODE
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);
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}
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sub drawable_transform_2d {
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$blurb = <<'BLURB';
|
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Transform the specified drawable in 2d, with extra parameters.
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BLURB
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$help = <<'HELP';
|
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This procedure transforms the specified drawable if no selection
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exists. If a selection exists, the portion of the drawable which lies
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under the selection is cut from the drawable and made into a floating
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selection which is then transformed. The transformation is done by
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scaling the image by the x and y scale factors about the point
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(source_x, source_y), then rotating around the same point, then
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translating that point to the new position (dest_x, dest_y). The
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return value is the ID of the rotated drawable. If there was no
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selection, this will be equal to the drawable ID supplied as
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input. Otherwise, this will be the newly created and transformed
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drawable.
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HELP
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&pdb_misc;
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@inargs = (
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&drawable_arg,
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{ name => 'source_x', type => 'float',
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|
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 center goes' },
|
|
{ name => 'dest_y', type => 'float',
|
|
desc => 'Y coordinate of where the center goes' },
|
|
&transform_options_args,
|
|
&clip_result_arg
|
|
);
|
|
|
|
@outargs = ( &drawable_out_arg('transformed') );
|
|
|
|
%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;
|
|
|
|
/* 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 (progress)
|
|
gimp_progress_start (progress, _("2D Transform..."), FALSE);
|
|
|
|
/* Transform the selection */
|
|
success = gimp_drawable_transform_affine (drawable, context,
|
|
&matrix, transform_direction,
|
|
interpolation, supersample,
|
|
recursion_level,
|
|
clip_result, progress);
|
|
|
|
if (progress)
|
|
gimp_progress_end (progress);
|
|
}
|
|
}
|
|
CODE
|
|
);
|
|
}
|
|
|
|
sub drawable_transform_matrix {
|
|
$blurb = <<'BLURB';
|
|
Transform the specified drawable in 2d, with extra parameters.
|
|
BLURB
|
|
|
|
$help = <<'HELP';
|
|
This procedure transforms the specified drawable if no selection
|
|
exists. If a selection exists, the portion of the drawable which lies
|
|
under the selection is cut from the drawable and made into a floating
|
|
selection which is then transformed. The transformation is done by
|
|
assembling a 3x3 matrix from the coefficients passed. The return
|
|
value is the ID of the rotated drawable. If there was no selection,
|
|
this will be equal to the drawable ID supplied as input. Otherwise,
|
|
this will be the newly created and transformed drawable.
|
|
HELP
|
|
|
|
&pdb_misc;
|
|
|
|
@inargs = (
|
|
&drawable_arg,
|
|
{ name => 'coeff_0_0', type => 'float',
|
|
desc => 'coefficient (0,0) of the transformation matrix' },
|
|
{ name => 'coeff_0_1', type => 'float',
|
|
desc => 'coefficient (0,1) of the transformation matrix' },
|
|
{ name => 'coeff_0_2', type => 'float',
|
|
desc => 'coefficient (0,2) of the transformation matrix' },
|
|
{ name => 'coeff_1_0', type => 'float',
|
|
desc => 'coefficient (1,0) of the transformation matrix' },
|
|
{ name => 'coeff_1_1', type => 'float',
|
|
desc => 'coefficient (1,1) of the transformation matrix' },
|
|
{ name => 'coeff_1_2', type => 'float',
|
|
desc => 'coefficient (1,2) of the transformation matrix' },
|
|
{ name => 'coeff_2_0', type => 'float',
|
|
desc => 'coefficient (2,0) of the transformation matrix' },
|
|
{ name => 'coeff_2_1', type => 'float',
|
|
desc => 'coefficient (2,1) of the transformation matrix' },
|
|
{ name => 'coeff_2_2', type => 'float',
|
|
desc => 'coefficient (2,2) of the transformation matrix' },
|
|
&transform_options_args,
|
|
&clip_result_arg
|
|
);
|
|
|
|
@outargs = ( &drawable_out_arg('transformed') );
|
|
|
|
%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;
|
|
|
|
/* Assemble the transformation matrix */
|
|
matrix.coeff[0][0] = coeff_0_0;
|
|
matrix.coeff[0][1] = coeff_0_1;
|
|
matrix.coeff[0][2] = coeff_0_2;
|
|
matrix.coeff[1][0] = coeff_1_0;
|
|
matrix.coeff[1][1] = coeff_1_1;
|
|
matrix.coeff[1][2] = coeff_1_2;
|
|
matrix.coeff[2][0] = coeff_2_0;
|
|
matrix.coeff[2][1] = coeff_2_1;
|
|
matrix.coeff[2][2] = coeff_2_2;
|
|
|
|
if (progress)
|
|
gimp_progress_start (progress, _("2D Transform..."), FALSE);
|
|
|
|
/* Transform the selection */
|
|
success = gimp_drawable_transform_affine (drawable, context,
|
|
&matrix, transform_direction,
|
|
interpolation, supersample,
|
|
recursion_level,
|
|
clip_result, 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(drawable_transform_flip drawable_transform_flip_free
|
|
drawable_transform_perspective
|
|
drawable_transform_rotate drawable_transform_scale
|
|
drawable_transform_shear drawable_transform_2d
|
|
drawable_transform_matrix);
|
|
|
|
%exports = (app => [@procs], lib => [@procs]);
|
|
|
|
$desc = 'Transformation procedures';
|
|
|
|
1;
|