Gimp/app/pdb/transform_tools_cmds.c

/* The GIMP -- an image manipulation program
 * Copyright (C) 1995-2003 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.
 */

/* NOTE: This file is autogenerated by pdbgen.pl. */

#include "config.h"


#include <glib-object.h>

#include "libgimpmath/gimpmath.h"

#include "pdb-types.h"
#include "procedural_db.h"

#include "config/gimpcoreconfig.h"
#include "core/gimp-transform-utils.h"
#include "core/gimp.h"
#include "core/gimpdrawable-transform.h"
#include "core/gimpdrawable.h"
#include "core/gimpimage.h"
#include "core/gimpprogress.h"
#include "gimp-intl.h"

static ProcRecord flip_proc;
static ProcRecord perspective_proc;
static ProcRecord rotate_proc;
static ProcRecord scale_proc;
static ProcRecord shear_proc;
static ProcRecord transform_2d_proc;

void
register_transform_tools_procs (Gimp *gimp)
{
  procedural_db_register (gimp, &flip_proc);
  procedural_db_register (gimp, &perspective_proc);
  procedural_db_register (gimp, &rotate_proc);
  procedural_db_register (gimp, &scale_proc);
  procedural_db_register (gimp, &shear_proc);
  procedural_db_register (gimp, &transform_2d_proc);
}

static Argument *
flip_invoker (Gimp         *gimp,
              GimpContext  *context,
              GimpProgress *progress,
              Argument     *args)
{
  gboolean success = TRUE;
  Argument *return_args;
  GimpDrawable *drawable;
  gint32 flip_type;

  drawable = (GimpDrawable *) gimp_item_get_by_ID (gimp, args[0].value.pdb_int);
  if (! (GIMP_IS_DRAWABLE (drawable) && ! gimp_item_is_removed (GIMP_ITEM (drawable))))
    success = FALSE;

  flip_type = args[1].value.pdb_int;
  if (flip_type < GIMP_ORIENTATION_HORIZONTAL || flip_type > GIMP_ORIENTATION_VERTICAL)
    success = FALSE;

  if (success)
    {
      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);
        }
    }

  return_args = procedural_db_return_args (&flip_proc, success);

  if (success)
    return_args[1].value.pdb_int = gimp_item_get_ID (GIMP_ITEM (drawable));

  return return_args;
}

static ProcArg flip_inargs[] =
{
  {
    GIMP_PDB_DRAWABLE,
    "drawable",
    "The affected drawable"
  },
  {
    GIMP_PDB_INT32,
    "flip_type",
    "Type of flip: GIMP_ORIENTATION_HORIZONTAL (0) or GIMP_ORIENTATION_VERTICAL (1)"
  }
};

static ProcArg flip_outargs[] =
{
  {
    GIMP_PDB_DRAWABLE,
    "drawable",
    "The flipped drawable"
  }
};

static ProcRecord flip_proc =
{
  "gimp_flip",
  "This procedure is deprecated! Use 'gimp_drawable_transform_flip_simple' instead.",
  "This procedure is deprecated! Use 'gimp_drawable_transform_flip_simple' instead.",
  "",
  "",
  "",
  "gimp_drawable_transform_flip_simple",
  GIMP_INTERNAL,
  2,
  flip_inargs,
  1,
  flip_outargs,
  { { flip_invoker } }
};

static Argument *
perspective_invoker (Gimp         *gimp,
                     GimpContext  *context,
                     GimpProgress *progress,
                     Argument     *args)
{
  gboolean success = TRUE;
  Argument *return_args;
  GimpDrawable *drawable;
  gboolean interpolation;
  gdouble trans_info[8];

  drawable = (GimpDrawable *) gimp_item_get_by_ID (gimp, args[0].value.pdb_int);
  if (! (GIMP_IS_DRAWABLE (drawable) && ! gimp_item_is_removed (GIMP_ITEM (drawable))))
    success = FALSE;

  interpolation = args[1].value.pdb_int ? TRUE : FALSE;

  trans_info[X0] = args[2].value.pdb_float;

  trans_info[Y0] = args[3].value.pdb_float;

  trans_info[X1] = args[4].value.pdb_float;

  trans_info[Y1] = args[5].value.pdb_float;

  trans_info[X2] = args[6].value.pdb_float;

  trans_info[Y2] = args[7].value.pdb_float;

  trans_info[X3] = args[8].value.pdb_float;

  trans_info[Y3] = args[9].value.pdb_float;

  if (success)
    {
      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_transform_matrix_perspective (x, y, width, height,
                                             trans_info[X0], trans_info[Y0],
                                             trans_info[X1], trans_info[Y1],
                                             trans_info[X2], trans_info[Y2],
                                             trans_info[X3], trans_info[Y3],
                                             &matrix);

          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);
        }
    }

  return_args = procedural_db_return_args (&perspective_proc, success);

  if (success)
    return_args[1].value.pdb_int = gimp_item_get_ID (GIMP_ITEM (drawable));

  return return_args;
}

static ProcArg perspective_inargs[] =
{
  {
    GIMP_PDB_DRAWABLE,
    "drawable",
    "The affected drawable"
  },
  {
    GIMP_PDB_INT32,
    "interpolation",
    "Whether to use interpolation"
  },
  {
    GIMP_PDB_FLOAT,
    "x0",
    "The new x coordinate of upper-left corner of original bounding box"
  },
  {
    GIMP_PDB_FLOAT,
    "y0",
    "The new y coordinate of upper-left corner of original bounding box"
  },
  {
    GIMP_PDB_FLOAT,
    "x1",
    "The new x coordinate of upper-right corner of original bounding box"
  },
  {
    GIMP_PDB_FLOAT,
    "y1",
    "The new y coordinate of upper-right corner of original bounding box"
  },
  {
    GIMP_PDB_FLOAT,
    "x2",
    "The new x coordinate of lower-left corner of original bounding box"
  },
  {
    GIMP_PDB_FLOAT,
    "y2",
    "The new y coordinate of lower-left corner of original bounding box"
  },
  {
    GIMP_PDB_FLOAT,
    "x3",
    "The new x coordinate of lower-right corner of original bounding box"
  },
  {
    GIMP_PDB_FLOAT,
    "y3",
    "The new y coordinate of lower-right corner of original bounding box"
  }
};

static ProcArg perspective_outargs[] =
{
  {
    GIMP_PDB_DRAWABLE,
    "drawable",
    "The newly mapped drawable"
  }
};

static ProcRecord perspective_proc =
{
  "gimp_perspective",
  "This procedure is deprecated! Use 'gimp_drawable_transform_perspective_default' instead.",
  "This procedure is deprecated! Use 'gimp_drawable_transform_perspective_default' instead.",
  "",
  "",
  "",
  "gimp_drawable_transform_perspective_default",
  GIMP_INTERNAL,
  10,
  perspective_inargs,
  1,
  perspective_outargs,
  { { perspective_invoker } }
};

static Argument *
rotate_invoker (Gimp         *gimp,
                GimpContext  *context,
                GimpProgress *progress,
                Argument     *args)
{
  gboolean success = TRUE;
  Argument *return_args;
  GimpDrawable *drawable;
  gboolean interpolation;
  gdouble angle;

  drawable = (GimpDrawable *) gimp_item_get_by_ID (gimp, args[0].value.pdb_int);
  if (! (GIMP_IS_DRAWABLE (drawable) && ! gimp_item_is_removed (GIMP_ITEM (drawable))))
    success = FALSE;

  interpolation = args[1].value.pdb_int ? TRUE : FALSE;

  angle = args[2].value.pdb_float;

  if (success)
    {
      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_transform_matrix_rotate (x, y, width, height,
                                        angle, &matrix);

          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);
        }
    }

  return_args = procedural_db_return_args (&rotate_proc, success);

  if (success)
    return_args[1].value.pdb_int = gimp_item_get_ID (GIMP_ITEM (drawable));

  return return_args;
}

static ProcArg rotate_inargs[] =
{
  {
    GIMP_PDB_DRAWABLE,
    "drawable",
    "The affected drawable"
  },
  {
    GIMP_PDB_INT32,
    "interpolation",
    "Whether to use interpolation"
  },
  {
    GIMP_PDB_FLOAT,
    "angle",
    "The angle of rotation (radians)"
  }
};

static ProcArg rotate_outargs[] =
{
  {
    GIMP_PDB_DRAWABLE,
    "drawable",
    "The rotated drawable"
  }
};

static ProcRecord rotate_proc =
{
  "gimp_rotate",
  "This procedure is deprecated! Use 'gimp_drawable_transform_rotate_default' instead.",
  "This procedure is deprecated! Use 'gimp_drawable_transform_rotate_default' instead.",
  "",
  "",
  "",
  "gimp_drawable_transform_rotate_default",
  GIMP_INTERNAL,
  3,
  rotate_inargs,
  1,
  rotate_outargs,
  { { rotate_invoker } }
};

static Argument *
scale_invoker (Gimp         *gimp,
               GimpContext  *context,
               GimpProgress *progress,
               Argument     *args)
{
  gboolean success = TRUE;
  Argument *return_args;
  GimpDrawable *drawable;
  gboolean interpolation;
  gdouble trans_info[4];

  drawable = (GimpDrawable *) gimp_item_get_by_ID (gimp, args[0].value.pdb_int);
  if (! (GIMP_IS_DRAWABLE (drawable) && ! gimp_item_is_removed (GIMP_ITEM (drawable))))
    success = FALSE;

  interpolation = args[1].value.pdb_int ? TRUE : FALSE;

  trans_info[X0] = args[2].value.pdb_float;

  trans_info[Y0] = args[3].value.pdb_float;

  trans_info[X1] = args[4].value.pdb_float;

  trans_info[Y1] = args[5].value.pdb_float;

  if (success)
    {
      gint x, y, width, height;

      success = (gimp_item_is_attached (GIMP_ITEM (drawable)) &&
                 trans_info[X0] < trans_info[X1] &&
                 trans_info[Y0] < trans_info[X1]);

      if (success &&
          gimp_drawable_mask_intersect (drawable, &x, &y, &width, &height))
        {
          GimpMatrix3           matrix;
          GimpInterpolationType interpolation_type = GIMP_INTERPOLATION_NONE;

          /* Assemble the transformation matrix */
          gimp_transform_matrix_scale (x, y, width, height,
                                       trans_info[X0],
                                       trans_info[Y0],
                                       trans_info[X1] - trans_info[X0],
                                       trans_info[Y1] - trans_info[Y0],
                                       &matrix);

          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);
        }
    }

  return_args = procedural_db_return_args (&scale_proc, success);

  if (success)
    return_args[1].value.pdb_int = gimp_item_get_ID (GIMP_ITEM (drawable));

  return return_args;
}

static ProcArg scale_inargs[] =
{
  {
    GIMP_PDB_DRAWABLE,
    "drawable",
    "The affected drawable"
  },
  {
    GIMP_PDB_INT32,
    "interpolation",
    "Whether to use interpolation"
  },
  {
    GIMP_PDB_FLOAT,
    "x0",
    "The new x coordinate of upper-left corner of newly scaled region"
  },
  {
    GIMP_PDB_FLOAT,
    "y0",
    "The new y coordinate of upper-left corner of newly scaled region"
  },
  {
    GIMP_PDB_FLOAT,
    "x1",
    "The new x coordinate of lower-right corner of newly scaled region"
  },
  {
    GIMP_PDB_FLOAT,
    "y1",
    "The new y coordinate of lower-right corner of newly scaled region"
  }
};

static ProcArg scale_outargs[] =
{
  {
    GIMP_PDB_DRAWABLE,
    "drawable",
    "The scaled drawable"
  }
};

static ProcRecord scale_proc =
{
  "gimp_scale",
  "This procedure is deprecated! Use 'gimp_drawable_transform_scale_default' instead.",
  "This procedure is deprecated! Use 'gimp_drawable_transform_scale_default' instead.",
  "",
  "",
  "",
  "gimp_drawable_transform_scale_default",
  GIMP_INTERNAL,
  6,
  scale_inargs,
  1,
  scale_outargs,
  { { scale_invoker } }
};

static Argument *
shear_invoker (Gimp         *gimp,
               GimpContext  *context,
               GimpProgress *progress,
               Argument     *args)
{
  gboolean success = TRUE;
  Argument *return_args;
  GimpDrawable *drawable;
  gboolean interpolation;
  gint32 shear_type;
  gdouble magnitude;

  drawable = (GimpDrawable *) gimp_item_get_by_ID (gimp, args[0].value.pdb_int);
  if (! (GIMP_IS_DRAWABLE (drawable) && ! gimp_item_is_removed (GIMP_ITEM (drawable))))
    success = FALSE;

  interpolation = args[1].value.pdb_int ? TRUE : FALSE;

  shear_type = args[2].value.pdb_int;
  if (shear_type < GIMP_ORIENTATION_HORIZONTAL || shear_type > GIMP_ORIENTATION_VERTICAL)
    success = FALSE;

  magnitude = args[3].value.pdb_float;

  if (success)
    {
      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_transform_matrix_shear (x, y, width, height,
                                       shear_type, magnitude,
                                       &matrix);

          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);
        }
    }

  return_args = procedural_db_return_args (&shear_proc, success);

  if (success)
    return_args[1].value.pdb_int = gimp_item_get_ID (GIMP_ITEM (drawable));

  return return_args;
}

static ProcArg shear_inargs[] =
{
  {
    GIMP_PDB_DRAWABLE,
    "drawable",
    "The affected drawable"
  },
  {
    GIMP_PDB_INT32,
    "interpolation",
    "Whether to use interpolation"
  },
  {
    GIMP_PDB_INT32,
    "shear_type",
    "Type of shear: GIMP_ORIENTATION_HORIZONTAL (0) or GIMP_ORIENTATION_VERTICAL (1)"
  },
  {
    GIMP_PDB_FLOAT,
    "magnitude",
    "The magnitude of the shear"
  }
};

static ProcArg shear_outargs[] =
{
  {
    GIMP_PDB_DRAWABLE,
    "drawable",
    "The sheared drawable"
  }
};

static ProcRecord shear_proc =
{
  "gimp_shear",
  "This procedure is deprecated! Use 'gimp_drawable_transform_shear_default' instead.",
  "This procedure is deprecated! Use 'gimp_drawable_transform_shear_default' instead.",
  "",
  "",
  "",
  "gimp_drawable_transform_shear_default",
  GIMP_INTERNAL,
  4,
  shear_inargs,
  1,
  shear_outargs,
  { { shear_invoker } }
};

static Argument *
transform_2d_invoker (Gimp         *gimp,
                      GimpContext  *context,
                      GimpProgress *progress,
                      Argument     *args)
{
  gboolean success = TRUE;
  Argument *return_args;
  GimpDrawable *drawable;
  gboolean interpolation;
  gdouble source_x;
  gdouble source_y;
  gdouble scale_x;
  gdouble scale_y;
  gdouble angle;
  gdouble dest_x;
  gdouble dest_y;

  drawable = (GimpDrawable *) gimp_item_get_by_ID (gimp, args[0].value.pdb_int);
  if (! (GIMP_IS_DRAWABLE (drawable) && ! gimp_item_is_removed (GIMP_ITEM (drawable))))
    success = FALSE;

  interpolation = args[1].value.pdb_int ? TRUE : FALSE;

  source_x = args[2].value.pdb_float;

  source_y = args[3].value.pdb_float;

  scale_x = args[4].value.pdb_float;

  scale_y = args[5].value.pdb_float;

  angle = args[6].value.pdb_float;

  dest_x = args[7].value.pdb_float;

  dest_y = args[8].value.pdb_float;

  if (success)
    {
      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);
        }
    }

  return_args = procedural_db_return_args (&transform_2d_proc, success);

  if (success)
    return_args[1].value.pdb_int = gimp_item_get_ID (GIMP_ITEM (drawable));

  return return_args;
}

static ProcArg transform_2d_inargs[] =
{
  {
    GIMP_PDB_DRAWABLE,
    "drawable",
    "The affected drawable"
  },
  {
    GIMP_PDB_INT32,
    "interpolation",
    "Whether to use interpolation"
  },
  {
    GIMP_PDB_FLOAT,
    "source_x",
    "X coordinate of the transformation center"
  },
  {
    GIMP_PDB_FLOAT,
    "source_y",
    "Y coordinate of the transformation center"
  },
  {
    GIMP_PDB_FLOAT,
    "scale_x",
    "Amount to scale in x direction"
  },
  {
    GIMP_PDB_FLOAT,
    "scale_y",
    "Amount to scale in y direction"
  },
  {
    GIMP_PDB_FLOAT,
    "angle",
    "The angle of rotation (radians)"
  },
  {
    GIMP_PDB_FLOAT,
    "dest_x",
    "X coordinate of where the centre goes"
  },
  {
    GIMP_PDB_FLOAT,
    "dest_y",
    "Y coordinate of where the centre goes"
  }
};

static ProcArg transform_2d_outargs[] =
{
  {
    GIMP_PDB_DRAWABLE,
    "drawable",
    "The transformed drawable"
  }
};

static ProcRecord transform_2d_proc =
{
  "gimp_transform_2d",
  "This procedure is deprecated! Use 'gimp_drawable_transform_2d_default' instead.",
  "This procedure is deprecated! Use 'gimp_drawable_transform_2d_default' instead.",
  "",
  "",
  "",
  "gimp_drawable_transform_2d_default",
  GIMP_INTERNAL,
  9,
  transform_2d_inargs,
  1,
  transform_2d_outargs,
  { { transform_2d_invoker } }
};