gimp/libgimp/gimpitemtransform_pdb.c

574 lines
22 KiB
C

/* LIBGIMP - The GIMP Library
* Copyright (C) 1995-2003 Peter Mattis and Spencer Kimball
*
* gimpitemtransform_pdb.c
*
* This library is free software: you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see
* <http://www.gnu.org/licenses/>.
*/
/* NOTE: This file is auto-generated by pdbgen.pl */
#include "config.h"
#include "gimp.h"
/**
* SECTION: gimpitemtransform
* @title: gimpitemtransform
* @short_description: Functions to perform transformations on items.
*
* Functions to perform transformations on items.
**/
/**
* gimp_item_transform_flip_simple:
* @item_ID: The affected item.
* @flip_type: Type of flip.
* @auto_center: Whether to automatically position the axis in the selection center.
* @axis: coord. of flip axis.
*
* Flip the specified item either vertically or horizontally.
*
* This procedure flips the specified item. 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 flipped. If auto_center is set to TRUE, the
* flip is around the selection's center. Otherwise, the coordinate of
* the axis needs to be specified. The return value is the ID of the
* flipped item. If there was no selection or the item is not a
* drawable, this will be equal to the item ID supplied as input.
* Otherwise, this will be the newly created and flipped drawable.
* This procedure is affected by the following context setters:
* gimp_context_set_transform_resize().
*
* Returns: The flipped item.
*
* Since: 2.2
**/
gint32
gimp_item_transform_flip_simple (gint32 item_ID,
GimpOrientationType flip_type,
gboolean auto_center,
gdouble axis)
{
GimpParam *return_vals;
gint nreturn_vals;
gint32 ret_item_ID = -1;
return_vals = gimp_run_procedure ("gimp-item-transform-flip-simple",
&nreturn_vals,
GIMP_PDB_ITEM, item_ID,
GIMP_PDB_INT32, flip_type,
GIMP_PDB_INT32, auto_center,
GIMP_PDB_FLOAT, axis,
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_flip:
* @item_ID: The affected item.
* @x0: horz. coord. of one end of axis.
* @y0: vert. coord. of one end of axis.
* @x1: horz. coord. of other end of axis.
* @y1: vert. coord. of other end of axis.
*
* Flip the specified item around a given line.
*
* This procedure flips the specified item. 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 flipped. The axis to flip around is
* specified by specifying two points from that line. The return value
* is the ID of the flipped item. If there was no selection or the item
* is not a drawable, this will be equal to the item ID supplied as
* input. Otherwise, this will be the newly created and flipped
* drawable.
* 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 flipped item.
*
* Since: 2.8
**/
gint32
gimp_item_transform_flip (gint32 item_ID,
gdouble x0,
gdouble y0,
gdouble x1,
gdouble y1)
{
GimpParam *return_vals;
gint nreturn_vals;
gint32 ret_item_ID = -1;
return_vals = gimp_run_procedure ("gimp-item-transform-flip",
&nreturn_vals,
GIMP_PDB_ITEM, item_ID,
GIMP_PDB_FLOAT, x0,
GIMP_PDB_FLOAT, y0,
GIMP_PDB_FLOAT, x1,
GIMP_PDB_FLOAT, y1,
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_perspective:
* @item_ID: The affected item.
* @x0: The new x coordinate of upper-left corner of original bounding box.
* @y0: The new y coordinate of upper-left corner of original bounding box.
* @x1: The new x coordinate of upper-right corner of original bounding box.
* @y1: The new y coordinate of upper-right corner of original bounding box.
* @x2: The new x coordinate of lower-left corner of original bounding box.
* @y2: The new y coordinate of lower-left corner of original bounding box.
* @x3: The new x coordinate of lower-right corner of original bounding box.
* @y3: The new y coordinate of lower-right corner of original bounding box.
*
* Perform a possibly non-affine transformation on the specified item.
*
* This procedure performs a possibly non-affine transformation on the
* specified item by allowing the corners of the original bounding box
* to be arbitrarily remapped to any values. The specified item is
* remapped if no selection exists or it is not a drawable. However, 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 remapped as specified.
* The return value is the ID of the remapped item. If there was no
* selection or the item is not a drawable, this will be equal to the
* item ID supplied as input. Otherwise, this will be the newly created
* and remapped drawable. The 4 coordinates specify the new locations
* of each corner of the original bounding box. By specifying these
* values, any affine transformation (rotation, scaling, translation)
* can be affected. Additionally, these values can be specified such
* that the resulting transformed item will appear to have been
* projected via a perspective transform.
* 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 newly mapped item.
*
* Since: 2.8
**/
gint32
gimp_item_transform_perspective (gint32 item_ID,
gdouble x0,
gdouble y0,
gdouble x1,
gdouble y1,
gdouble x2,
gdouble y2,
gdouble x3,
gdouble y3)
{
GimpParam *return_vals;
gint nreturn_vals;
gint32 ret_item_ID = -1;
return_vals = gimp_run_procedure ("gimp-item-transform-perspective",
&nreturn_vals,
GIMP_PDB_ITEM, item_ID,
GIMP_PDB_FLOAT, x0,
GIMP_PDB_FLOAT, y0,
GIMP_PDB_FLOAT, x1,
GIMP_PDB_FLOAT, y1,
GIMP_PDB_FLOAT, x2,
GIMP_PDB_FLOAT, y2,
GIMP_PDB_FLOAT, x3,
GIMP_PDB_FLOAT, y3,
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_rotate_simple:
* @item_ID: The affected item.
* @rotate_type: Type of rotation.
* @auto_center: Whether to automatically rotate around the selection center.
* @center_x: The hor. coordinate of the center of rotation.
* @center_y: The vert. coordinate of the center of rotation.
*
* Rotate the specified item about given coordinates through the
* specified angle.
*
* This function rotates the specified item. 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 rotated by the specified amount. The return
* value is the ID of the rotated item. If there was no selection or
* the item is not a drawable, this will be equal to the item ID
* supplied as input. Otherwise, this will be the newly created and
* rotated drawable.
* This procedure is affected by the following context setters:
* gimp_context_set_transform_resize().
*
* Returns: The rotated item.
*
* Since: 2.8
**/
gint32
gimp_item_transform_rotate_simple (gint32 item_ID,
GimpRotationType rotate_type,
gboolean auto_center,
gdouble center_x,
gdouble center_y)
{
GimpParam *return_vals;
gint nreturn_vals;
gint32 ret_item_ID = -1;
return_vals = gimp_run_procedure ("gimp-item-transform-rotate-simple",
&nreturn_vals,
GIMP_PDB_ITEM, item_ID,
GIMP_PDB_INT32, rotate_type,
GIMP_PDB_INT32, auto_center,
GIMP_PDB_FLOAT, center_x,
GIMP_PDB_FLOAT, center_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_rotate:
* @item_ID: The affected item.
* @angle: The angle of rotation (radians).
* @auto_center: Whether to automatically rotate around the selection center.
* @center_x: The hor. coordinate of the center of rotation.
* @center_y: The vert. coordinate of the center of rotation.
*
* Rotate the specified item about given coordinates through the
* specified angle.
*
* This function rotates the specified item. 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 rotated by the specified amount. The return
* value is the ID of the rotated item. If there was no selection or
* the item is not a drawable, this will be equal to the item ID
* supplied as input. Otherwise, this will be the newly created and
* rotated drawable.
* 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 rotated item.
*
* Since: 2.8
**/
gint32
gimp_item_transform_rotate (gint32 item_ID,
gdouble angle,
gboolean auto_center,
gdouble center_x,
gdouble center_y)
{
GimpParam *return_vals;
gint nreturn_vals;
gint32 ret_item_ID = -1;
return_vals = gimp_run_procedure ("gimp-item-transform-rotate",
&nreturn_vals,
GIMP_PDB_ITEM, item_ID,
GIMP_PDB_FLOAT, angle,
GIMP_PDB_INT32, auto_center,
GIMP_PDB_FLOAT, center_x,
GIMP_PDB_FLOAT, center_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_scale:
* @item_ID: The affected item.
* @x0: The new x coordinate of the upper-left corner of the scaled region.
* @y0: The new y coordinate of the upper-left corner of the scaled region.
* @x1: The new x coordinate of the lower-right corner of the scaled region.
* @y1: The new y coordinate of the lower-right corner of the scaled region.
*
* Scale the specified item.
*
* This procedure scales the specified item. 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 scaled by the specified amount. The return
* value is the ID of the scaled item. If there was no selection or the
* item is not a drawable, this will be equal to the item ID supplied
* as input. Otherwise, this will be the newly created and scaled
* drawable.
* 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 scaled item.
*
* Since: 2.8
**/
gint32
gimp_item_transform_scale (gint32 item_ID,
gdouble x0,
gdouble y0,
gdouble x1,
gdouble y1)
{
GimpParam *return_vals;
gint nreturn_vals;
gint32 ret_item_ID = -1;
return_vals = gimp_run_procedure ("gimp-item-transform-scale",
&nreturn_vals,
GIMP_PDB_ITEM, item_ID,
GIMP_PDB_FLOAT, x0,
GIMP_PDB_FLOAT, y0,
GIMP_PDB_FLOAT, x1,
GIMP_PDB_FLOAT, y1,
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_shear:
* @item_ID: The affected item.
* @shear_type: Type of shear.
* @magnitude: The magnitude of the shear.
*
* Shear the specified item about its center by the specified
* magnitude.
*
* This procedure shears the specified item. 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 sheard by the specified amount. The return
* value is the ID of the sheard item. If there was no selection or the
* item is not a drawable, this will be equal to the item ID supplied
* as input. Otherwise, this will be the newly created and sheard
* drawable. 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.
* 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. 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. The transformation is
* done by scaling the image 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).
* The return value is the ID of the rotated drawable. If there was no
* selection or the item is not a drawable, this will be equal to the
* item ID supplied as input. Otherwise, this will be the newly created
* and transformed drawable.
* 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. 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. The transformation is
* done by assembling a 3x3 matrix from the coefficients passed. The
* return value is the ID of the transformed item. If there was no
* selection or the item is not a drawable, this will be equal to the
* item ID supplied as input. Otherwise, this will be the newly created
* and transformed drawable.
* 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;
}