mirror of https://github.com/GNOME/gimp.git
698 lines
26 KiB
C
698 lines
26 KiB
C
/* LIBGIMP - The GIMP Library
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* Copyright (C) 1995-2003 Peter Mattis and Spencer Kimball
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*
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* gimpitemtransform_pdb.c
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*
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* This library is free software: you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 3 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see
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* <http://www.gnu.org/licenses/>.
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*/
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/* NOTE: This file is auto-generated by pdbgen.pl */
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#include "config.h"
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#include "gimp.h"
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/**
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* SECTION: gimpitemtransform
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* @title: gimpitemtransform
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* @short_description: Functions to perform transformations on items.
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*
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* Functions to perform transformations on items.
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**/
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/**
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* gimp_item_transform_translate:
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* @item_ID: The item.
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* @off_x: Offset in x direction.
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* @off_y: Offset in y direction.
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*
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* Translate the item by the specified offsets.
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*
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* This procedure translates the item by the amounts specified in the
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* off_x and off_y arguments. These can be negative, and are considered
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* offsets from the current position. The offsets will be rounded to
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* the nearest pixel unless the item is a path.
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*
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* If the item is attached to an image and has its linked flag set to
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* TRUE, all additional items contained in the image which have the
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* linked flag set to TRUE will also be translated by the specified
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* offsets.
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*
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* Returns: The translated item.
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*
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* Since: 2.10
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**/
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gint32
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gimp_item_transform_translate (gint32 item_ID,
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gdouble off_x,
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gdouble off_y)
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{
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GimpParam *return_vals;
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gint nreturn_vals;
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gint32 ret_item_ID = -1;
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return_vals = gimp_run_procedure ("gimp-item-transform-translate",
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&nreturn_vals,
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GIMP_PDB_ITEM, item_ID,
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GIMP_PDB_FLOAT, off_x,
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GIMP_PDB_FLOAT, off_y,
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GIMP_PDB_END);
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if (return_vals[0].data.d_status == GIMP_PDB_SUCCESS)
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ret_item_ID = return_vals[1].data.d_item;
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gimp_destroy_params (return_vals, nreturn_vals);
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return ret_item_ID;
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}
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/**
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* gimp_item_transform_flip_simple:
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* @item_ID: The affected item.
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* @flip_type: Type of flip.
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* @auto_center: Whether to automatically position the axis in the selection center.
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* @axis: coord. of flip axis.
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*
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* Flip the specified item either vertically or horizontally.
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*
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* This procedure flips the specified item.
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*
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* If a selection exists and the item is a drawable, the portion of the
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* drawable which lies under the selection is cut from the drawable and
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* made into a floating selection which is then flipped. If auto_center
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* is set to TRUE, the flip is around the selection's center.
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* Otherwise, the coordinate of the axis needs to be specified. The
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* return value is the ID of the flipped floating selection.
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*
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* If there is no selection or the item is not a drawable, the entire
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* item will be flipped around its center if auto_center is set to
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* TRUE, otherwise the coordinate of the axis needs to be specified.
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* Additionally, if the item has its linked flag set to TRUE, all
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* additional items contained in the image which have the linked flag
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* set to TRUE will also be flipped around the same axis. The return
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* value will be equal to the item ID supplied as input.
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*
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* This procedure is affected by the following context setters:
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* gimp_context_set_transform_resize().
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*
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* Returns: The flipped item.
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*
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* Since: 2.2
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**/
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gint32
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gimp_item_transform_flip_simple (gint32 item_ID,
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GimpOrientationType flip_type,
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gboolean auto_center,
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gdouble axis)
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{
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GimpParam *return_vals;
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gint nreturn_vals;
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gint32 ret_item_ID = -1;
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return_vals = gimp_run_procedure ("gimp-item-transform-flip-simple",
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&nreturn_vals,
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GIMP_PDB_ITEM, item_ID,
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GIMP_PDB_INT32, flip_type,
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GIMP_PDB_INT32, auto_center,
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GIMP_PDB_FLOAT, axis,
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GIMP_PDB_END);
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if (return_vals[0].data.d_status == GIMP_PDB_SUCCESS)
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ret_item_ID = return_vals[1].data.d_item;
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gimp_destroy_params (return_vals, nreturn_vals);
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return ret_item_ID;
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}
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/**
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* gimp_item_transform_flip:
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* @item_ID: The affected item.
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* @x0: horz. coord. of one end of axis.
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* @y0: vert. coord. of one end of axis.
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* @x1: horz. coord. of other end of axis.
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* @y1: vert. coord. of other end of axis.
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*
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* Flip the specified item around a given line.
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*
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* This procedure flips the specified item.
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*
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* If a selection exists and the item is a drawable, the portion of the
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* drawable which lies under the selection is cut from the drawable and
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* made into a floating selection which is then flipped. The axis to
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* flip around is specified by specifying two points from that line.
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* The return value is the ID of the flipped floating selection.
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*
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* If there is no selection or the item is not a drawable, the entire
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* item will be flipped around the specified axis. Additionally, if the
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* item has its linked flag set to TRUE, all additional items contained
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* in the image which have the linked flag set to TRUE will also be
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* flipped around the same axis. The return value will be equal to the
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* item ID supplied as input.
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*
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* This procedure is affected by the following context setters:
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* gimp_context_set_interpolation(),
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* gimp_context_set_transform_direction(),
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* gimp_context_set_transform_resize().
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*
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* Returns: The flipped item.
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*
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* Since: 2.8
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**/
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gint32
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gimp_item_transform_flip (gint32 item_ID,
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gdouble x0,
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gdouble y0,
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gdouble x1,
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gdouble y1)
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{
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GimpParam *return_vals;
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gint nreturn_vals;
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gint32 ret_item_ID = -1;
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return_vals = gimp_run_procedure ("gimp-item-transform-flip",
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&nreturn_vals,
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GIMP_PDB_ITEM, item_ID,
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GIMP_PDB_FLOAT, x0,
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GIMP_PDB_FLOAT, y0,
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GIMP_PDB_FLOAT, x1,
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GIMP_PDB_FLOAT, y1,
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GIMP_PDB_END);
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if (return_vals[0].data.d_status == GIMP_PDB_SUCCESS)
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ret_item_ID = return_vals[1].data.d_item;
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gimp_destroy_params (return_vals, nreturn_vals);
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return ret_item_ID;
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}
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/**
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* gimp_item_transform_perspective:
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* @item_ID: The affected item.
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* @x0: The new x coordinate of upper-left corner of original bounding box.
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* @y0: The new y coordinate of upper-left corner of original bounding box.
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* @x1: The new x coordinate of upper-right corner of original bounding box.
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* @y1: The new y coordinate of upper-right corner of original bounding box.
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* @x2: The new x coordinate of lower-left corner of original bounding box.
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* @y2: The new y coordinate of lower-left corner of original bounding box.
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* @x3: The new x coordinate of lower-right corner of original bounding box.
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* @y3: The new y coordinate of lower-right corner of original bounding box.
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*
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* Perform a possibly non-affine transformation on the specified item.
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*
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* This procedure performs a possibly non-affine transformation on the
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* specified item by allowing the corners of the original bounding box
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* to be arbitrarily remapped to any values.
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*
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* The 4 coordinates specify the new locations of each corner of the
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* original bounding box. By specifying these values, any affine
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* transformation (rotation, scaling, translation) can be affected.
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* Additionally, these values can be specified such that the resulting
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* transformed item will appear to have been projected via a
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* perspective transform.
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*
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* If a selection exists and the item is a drawable, the portion of the
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* drawable which lies under the selection is cut from the drawable and
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* made into a floating selection which is then transformed as
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* specified. The return value is the ID of the transformed floating
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* selection.
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*
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* If there is no selection or the item is not a drawable, the entire
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* item will be transformed according to the specified mapping.
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* Additionally, if the item has its linked flag set to TRUE, all
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* additional items contained in the image which have the linked flag
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* set to TRUE will also be transformed the same way. The return value
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* will be equal to the item ID supplied as input.
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*
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* This procedure is affected by the following context setters:
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* gimp_context_set_interpolation(),
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* gimp_context_set_transform_direction(),
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* gimp_context_set_transform_resize().
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*
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* Returns: The transformed item.
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*
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* Since: 2.8
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**/
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gint32
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gimp_item_transform_perspective (gint32 item_ID,
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gdouble x0,
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gdouble y0,
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gdouble x1,
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gdouble y1,
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gdouble x2,
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gdouble y2,
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gdouble x3,
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gdouble y3)
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{
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GimpParam *return_vals;
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gint nreturn_vals;
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gint32 ret_item_ID = -1;
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return_vals = gimp_run_procedure ("gimp-item-transform-perspective",
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&nreturn_vals,
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GIMP_PDB_ITEM, item_ID,
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GIMP_PDB_FLOAT, x0,
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GIMP_PDB_FLOAT, y0,
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GIMP_PDB_FLOAT, x1,
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GIMP_PDB_FLOAT, y1,
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GIMP_PDB_FLOAT, x2,
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GIMP_PDB_FLOAT, y2,
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GIMP_PDB_FLOAT, x3,
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GIMP_PDB_FLOAT, y3,
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GIMP_PDB_END);
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if (return_vals[0].data.d_status == GIMP_PDB_SUCCESS)
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ret_item_ID = return_vals[1].data.d_item;
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gimp_destroy_params (return_vals, nreturn_vals);
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return ret_item_ID;
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}
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/**
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* gimp_item_transform_rotate_simple:
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* @item_ID: The affected item.
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* @rotate_type: Type of rotation.
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* @auto_center: Whether to automatically rotate around the selection center.
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* @center_x: The hor. coordinate of the center of rotation.
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* @center_y: The vert. coordinate of the center of rotation.
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*
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* Rotate the specified item about given coordinates through the
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* specified angle.
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*
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* This function rotates the specified item.
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*
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* If a selection exists and the item is a drawable, the portion of the
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* drawable which lies under the selection is cut from the drawable and
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* made into a floating selection which is then rotated by the
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* specified amount. If auto_center is set to TRUE, the rotation is
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* around the selection's center. Otherwise, the coordinate of the
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* center point needs to be specified. The return value is the ID of
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* the rotated floating selection.
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*
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* If there is no selection or the item is not a drawable, the entire
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* item will be rotated around its center if auto_center is set to
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* TRUE, otherwise the coordinate of the center point needs to be
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* specified. Additionally, if the item has its linked flag set to
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* TRUE, all additional items contained in the image which have the
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* linked flag set to TRUE will also be rotated around the same center
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* point. The return value will be equal to the item ID supplied as
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* input.
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*
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* This procedure is affected by the following context setters:
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* gimp_context_set_transform_resize().
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*
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* Returns: The rotated item.
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*
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* Since: 2.8
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**/
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gint32
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gimp_item_transform_rotate_simple (gint32 item_ID,
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GimpRotationType rotate_type,
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gboolean auto_center,
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gdouble center_x,
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gdouble center_y)
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{
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GimpParam *return_vals;
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gint nreturn_vals;
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gint32 ret_item_ID = -1;
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return_vals = gimp_run_procedure ("gimp-item-transform-rotate-simple",
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&nreturn_vals,
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GIMP_PDB_ITEM, item_ID,
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GIMP_PDB_INT32, rotate_type,
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GIMP_PDB_INT32, auto_center,
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GIMP_PDB_FLOAT, center_x,
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GIMP_PDB_FLOAT, center_y,
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GIMP_PDB_END);
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if (return_vals[0].data.d_status == GIMP_PDB_SUCCESS)
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ret_item_ID = return_vals[1].data.d_item;
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gimp_destroy_params (return_vals, nreturn_vals);
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return ret_item_ID;
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}
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/**
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* gimp_item_transform_rotate:
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* @item_ID: The affected item.
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* @angle: The angle of rotation (radians).
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* @auto_center: Whether to automatically rotate around the selection center.
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* @center_x: The hor. coordinate of the center of rotation.
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* @center_y: The vert. coordinate of the center of rotation.
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*
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* Rotate the specified item about given coordinates through the
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* specified angle.
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*
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* This function rotates the specified item.
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*
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* If a selection exists and the item is a drawable, the portion of the
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* drawable which lies under the selection is cut from the drawable and
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* made into a floating selection which is then rotated by the
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* specified amount. If auto_center is set to TRUE, the rotation is
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* around the selection's center. Otherwise, the coordinate of the
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* center point needs to be specified. The return value is the ID of
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* the rotated floating selection.
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*
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* If there is no selection or the item is not a drawable, the entire
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* item will be rotated around its center if auto_center is set to
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* TRUE, otherwise the coordinate of the center point needs to be
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* specified. Additionally, if the item has its linked flag set to
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* TRUE, all additional items contained in the image which have the
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* linked flag set to TRUE will also be rotated around the same center
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* point. The return value will be equal to the item ID supplied as
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* input.
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*
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* This procedure is affected by the following context setters:
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* gimp_context_set_interpolation(),
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* gimp_context_set_transform_direction(),
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* gimp_context_set_transform_resize().
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*
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* Returns: The rotated item.
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*
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* Since: 2.8
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**/
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gint32
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gimp_item_transform_rotate (gint32 item_ID,
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gdouble angle,
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gboolean auto_center,
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gdouble center_x,
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gdouble center_y)
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{
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GimpParam *return_vals;
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gint nreturn_vals;
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gint32 ret_item_ID = -1;
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return_vals = gimp_run_procedure ("gimp-item-transform-rotate",
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&nreturn_vals,
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GIMP_PDB_ITEM, item_ID,
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GIMP_PDB_FLOAT, angle,
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GIMP_PDB_INT32, auto_center,
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GIMP_PDB_FLOAT, center_x,
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GIMP_PDB_FLOAT, center_y,
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GIMP_PDB_END);
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if (return_vals[0].data.d_status == GIMP_PDB_SUCCESS)
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ret_item_ID = return_vals[1].data.d_item;
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gimp_destroy_params (return_vals, nreturn_vals);
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return ret_item_ID;
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}
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/**
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* gimp_item_transform_scale:
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* @item_ID: The affected item.
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* @x0: The new x coordinate of the upper-left corner of the scaled region.
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* @y0: The new y coordinate of the upper-left corner of the scaled region.
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* @x1: The new x coordinate of the lower-right corner of the scaled region.
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* @y1: The new y coordinate of the lower-right corner of the scaled region.
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*
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* Scale the specified item.
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*
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* This procedure scales the specified item.
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*
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* The 2 coordinates specify the new locations of the top-left and
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* bottom-roght corners of the original bounding box.
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*
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* If a selection exists and the item is a drawable, the portion of the
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* drawable which lies under the selection is cut from the drawable and
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* made into a floating selection which is then scaled as specified.
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* The return value is the ID of the scaled floating selection.
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*
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* If there is no selection or the item is not a drawable, the entire
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* item will be scaled according to the specified coordinates.
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* Additionally, if the item has its linked flag set to TRUE, all
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* additional items contained in the image which have the linked flag
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* set to TRUE will also be scaled the same way. The return value will
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* be equal to the item ID supplied as input.
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*
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* This procedure is affected by the following context setters:
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* gimp_context_set_interpolation(),
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* gimp_context_set_transform_direction(),
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* gimp_context_set_transform_resize().
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*
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* Returns: The scaled item.
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*
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* Since: 2.8
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**/
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gint32
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gimp_item_transform_scale (gint32 item_ID,
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gdouble x0,
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gdouble y0,
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gdouble x1,
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gdouble y1)
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{
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GimpParam *return_vals;
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gint nreturn_vals;
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gint32 ret_item_ID = -1;
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return_vals = gimp_run_procedure ("gimp-item-transform-scale",
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&nreturn_vals,
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GIMP_PDB_ITEM, item_ID,
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GIMP_PDB_FLOAT, x0,
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GIMP_PDB_FLOAT, y0,
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GIMP_PDB_FLOAT, x1,
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GIMP_PDB_FLOAT, y1,
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GIMP_PDB_END);
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if (return_vals[0].data.d_status == GIMP_PDB_SUCCESS)
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ret_item_ID = return_vals[1].data.d_item;
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gimp_destroy_params (return_vals, nreturn_vals);
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return ret_item_ID;
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}
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/**
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* gimp_item_transform_shear:
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* @item_ID: The affected item.
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* @shear_type: Type of shear.
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* @magnitude: The magnitude of the shear.
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*
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* Shear the specified item about its center by the specified
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* magnitude.
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*
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* This procedure shears the specified item.
|
|
*
|
|
* The shear type parameter indicates whether the shear will be applied
|
|
* horizontally or vertically. The magnitude can be either positive or
|
|
* negative and indicates the extent (in pixels) to shear by.
|
|
*
|
|
* If a selection exists and the item is a drawable, the portion of the
|
|
* drawable which lies under the selection is cut from the drawable and
|
|
* made into a floating selection which is then sheared as specified.
|
|
* The return value is the ID of the sheared floating selection.
|
|
*
|
|
* If there is no selection or the item is not a drawable, the entire
|
|
* item will be sheared according to the specified parameters.
|
|
* Additionally, if the item has its linked flag set to TRUE, all
|
|
* additional items contained in the image which have the linked flag
|
|
* set to TRUE will also be sheared the same way. The return value will
|
|
* be equal to the item ID supplied as input.
|
|
*
|
|
* This procedure is affected by the following context setters:
|
|
* gimp_context_set_interpolation(),
|
|
* gimp_context_set_transform_direction(),
|
|
* gimp_context_set_transform_resize().
|
|
*
|
|
* Returns: The sheared item.
|
|
*
|
|
* Since: 2.8
|
|
**/
|
|
gint32
|
|
gimp_item_transform_shear (gint32 item_ID,
|
|
GimpOrientationType shear_type,
|
|
gdouble magnitude)
|
|
{
|
|
GimpParam *return_vals;
|
|
gint nreturn_vals;
|
|
gint32 ret_item_ID = -1;
|
|
|
|
return_vals = gimp_run_procedure ("gimp-item-transform-shear",
|
|
&nreturn_vals,
|
|
GIMP_PDB_ITEM, item_ID,
|
|
GIMP_PDB_INT32, shear_type,
|
|
GIMP_PDB_FLOAT, magnitude,
|
|
GIMP_PDB_END);
|
|
|
|
if (return_vals[0].data.d_status == GIMP_PDB_SUCCESS)
|
|
ret_item_ID = return_vals[1].data.d_item;
|
|
|
|
gimp_destroy_params (return_vals, nreturn_vals);
|
|
|
|
return ret_item_ID;
|
|
}
|
|
|
|
/**
|
|
* gimp_item_transform_2d:
|
|
* @item_ID: The affected item.
|
|
* @source_x: X coordinate of the transformation center.
|
|
* @source_y: Y coordinate of the transformation center.
|
|
* @scale_x: Amount to scale in x direction.
|
|
* @scale_y: Amount to scale in y direction.
|
|
* @angle: The angle of rotation (radians).
|
|
* @dest_x: X coordinate of where the center goes.
|
|
* @dest_y: Y coordinate of where the center goes.
|
|
*
|
|
* Transform the specified item in 2d.
|
|
*
|
|
* This procedure transforms the specified item.
|
|
*
|
|
* The transformation is done by scaling by the x and y scale factors
|
|
* about the point (source_x, source_y), then rotating around the same
|
|
* point, then translating that point to the new position (dest_x,
|
|
* dest_y).
|
|
*
|
|
* If a selection exists and the item is a drawable, 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 as
|
|
* specified. The return value is the ID of the transformed floating
|
|
* selection.
|
|
*
|
|
* If there is no selection or the item is not a drawable, the entire
|
|
* item will be transformed according to the specified parameters.
|
|
* Additionally, if the item has its linked flag set to TRUE, all
|
|
* additional items contained in the image which have the linked flag
|
|
* set to TRUE will also be transformed the same way. The return value
|
|
* will be equal to the item ID supplied as input.
|
|
*
|
|
* This procedure is affected by the following context setters:
|
|
* gimp_context_set_interpolation(),
|
|
* gimp_context_set_transform_direction(),
|
|
* gimp_context_set_transform_resize().
|
|
*
|
|
* Returns: The transformed item.
|
|
*
|
|
* Since: 2.8
|
|
**/
|
|
gint32
|
|
gimp_item_transform_2d (gint32 item_ID,
|
|
gdouble source_x,
|
|
gdouble source_y,
|
|
gdouble scale_x,
|
|
gdouble scale_y,
|
|
gdouble angle,
|
|
gdouble dest_x,
|
|
gdouble dest_y)
|
|
{
|
|
GimpParam *return_vals;
|
|
gint nreturn_vals;
|
|
gint32 ret_item_ID = -1;
|
|
|
|
return_vals = gimp_run_procedure ("gimp-item-transform-2d",
|
|
&nreturn_vals,
|
|
GIMP_PDB_ITEM, item_ID,
|
|
GIMP_PDB_FLOAT, source_x,
|
|
GIMP_PDB_FLOAT, source_y,
|
|
GIMP_PDB_FLOAT, scale_x,
|
|
GIMP_PDB_FLOAT, scale_y,
|
|
GIMP_PDB_FLOAT, angle,
|
|
GIMP_PDB_FLOAT, dest_x,
|
|
GIMP_PDB_FLOAT, dest_y,
|
|
GIMP_PDB_END);
|
|
|
|
if (return_vals[0].data.d_status == GIMP_PDB_SUCCESS)
|
|
ret_item_ID = return_vals[1].data.d_item;
|
|
|
|
gimp_destroy_params (return_vals, nreturn_vals);
|
|
|
|
return ret_item_ID;
|
|
}
|
|
|
|
/**
|
|
* gimp_item_transform_matrix:
|
|
* @item_ID: The affected item.
|
|
* @coeff_0_0: coefficient (0,0) of the transformation matrix.
|
|
* @coeff_0_1: coefficient (0,1) of the transformation matrix.
|
|
* @coeff_0_2: coefficient (0,2) of the transformation matrix.
|
|
* @coeff_1_0: coefficient (1,0) of the transformation matrix.
|
|
* @coeff_1_1: coefficient (1,1) of the transformation matrix.
|
|
* @coeff_1_2: coefficient (1,2) of the transformation matrix.
|
|
* @coeff_2_0: coefficient (2,0) of the transformation matrix.
|
|
* @coeff_2_1: coefficient (2,1) of the transformation matrix.
|
|
* @coeff_2_2: coefficient (2,2) of the transformation matrix.
|
|
*
|
|
* Transform the specified item in 2d.
|
|
*
|
|
* This procedure transforms the specified item.
|
|
*
|
|
* The transformation is done by assembling a 3x3 matrix from the
|
|
* coefficients passed.
|
|
*
|
|
* If a selection exists and the item is a drawable, 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 as
|
|
* specified. The return value is the ID of the transformed floating
|
|
* selection.
|
|
*
|
|
* If there is no selection or the item is not a drawable, the entire
|
|
* item will be transformed according to the specified matrix.
|
|
* Additionally, if the item has its linked flag set to TRUE, all
|
|
* additional items contained in the image which have the linked flag
|
|
* set to TRUE will also be transformed the same way. The return value
|
|
* will be equal to the item ID supplied as input.
|
|
*
|
|
* This procedure is affected by the following context setters:
|
|
* gimp_context_set_interpolation(),
|
|
* gimp_context_set_transform_direction(),
|
|
* gimp_context_set_transform_resize().
|
|
*
|
|
* Returns: The transformed item.
|
|
*
|
|
* Since: 2.8
|
|
**/
|
|
gint32
|
|
gimp_item_transform_matrix (gint32 item_ID,
|
|
gdouble coeff_0_0,
|
|
gdouble coeff_0_1,
|
|
gdouble coeff_0_2,
|
|
gdouble coeff_1_0,
|
|
gdouble coeff_1_1,
|
|
gdouble coeff_1_2,
|
|
gdouble coeff_2_0,
|
|
gdouble coeff_2_1,
|
|
gdouble coeff_2_2)
|
|
{
|
|
GimpParam *return_vals;
|
|
gint nreturn_vals;
|
|
gint32 ret_item_ID = -1;
|
|
|
|
return_vals = gimp_run_procedure ("gimp-item-transform-matrix",
|
|
&nreturn_vals,
|
|
GIMP_PDB_ITEM, item_ID,
|
|
GIMP_PDB_FLOAT, coeff_0_0,
|
|
GIMP_PDB_FLOAT, coeff_0_1,
|
|
GIMP_PDB_FLOAT, coeff_0_2,
|
|
GIMP_PDB_FLOAT, coeff_1_0,
|
|
GIMP_PDB_FLOAT, coeff_1_1,
|
|
GIMP_PDB_FLOAT, coeff_1_2,
|
|
GIMP_PDB_FLOAT, coeff_2_0,
|
|
GIMP_PDB_FLOAT, coeff_2_1,
|
|
GIMP_PDB_FLOAT, coeff_2_2,
|
|
GIMP_PDB_END);
|
|
|
|
if (return_vals[0].data.d_status == GIMP_PDB_SUCCESS)
|
|
ret_item_ID = return_vals[1].data.d_item;
|
|
|
|
gimp_destroy_params (return_vals, nreturn_vals);
|
|
|
|
return ret_item_ID;
|
|
}
|