211 lines
6.6 KiB
C
211 lines
6.6 KiB
C
/* LIBPIKA - The PIKA Library
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* Copyright (C) 1995-2003 Peter Mattis and Spencer Kimball
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*
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* pikaimagesamplepoints_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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* <https://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 "stamp-pdbgen.h"
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#include "pika.h"
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/**
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* SECTION: pikaimagesamplepoints
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* @title: pikaimagesamplepoints
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* @short_description: Functions for manipulating an image's sample points.
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*
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* Functions for manipulating an image's sample points.
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**/
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/**
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* pika_image_add_sample_point:
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* @image: The image.
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* @position_x: The sample point's x-offset from left of image.
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* @position_y: The sample point's y-offset from top of image.
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*
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* Add a sample point to an image.
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*
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* This procedure adds a sample point to an image. It takes the input
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* image and the position of the new sample points as parameters. It
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* returns the sample point ID of the new sample point.
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*
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* Returns: The new sample point.
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*
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* Since: 2.10
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**/
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guint
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pika_image_add_sample_point (PikaImage *image,
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gint position_x,
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gint position_y)
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{
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PikaValueArray *args;
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PikaValueArray *return_vals;
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guint sample_point = 0;
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args = pika_value_array_new_from_types (NULL,
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PIKA_TYPE_IMAGE, image,
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G_TYPE_INT, position_x,
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G_TYPE_INT, position_y,
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G_TYPE_NONE);
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return_vals = _pika_pdb_run_procedure_array (pika_get_pdb (),
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"pika-image-add-sample-point",
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args);
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pika_value_array_unref (args);
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if (PIKA_VALUES_GET_ENUM (return_vals, 0) == PIKA_PDB_SUCCESS)
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sample_point = PIKA_VALUES_GET_UINT (return_vals, 1);
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pika_value_array_unref (return_vals);
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return sample_point;
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}
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/**
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* pika_image_delete_sample_point:
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* @image: The image.
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* @sample_point: The ID of the sample point to be removed.
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*
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* Deletes a sample point from an image.
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*
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* This procedure takes an image and a sample point ID as input and
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* removes the specified sample point from the specified image.
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*
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* Returns: TRUE on success.
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*
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* Since: 2.10
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**/
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gboolean
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pika_image_delete_sample_point (PikaImage *image,
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guint sample_point)
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{
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PikaValueArray *args;
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PikaValueArray *return_vals;
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gboolean success = TRUE;
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args = pika_value_array_new_from_types (NULL,
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PIKA_TYPE_IMAGE, image,
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G_TYPE_UINT, sample_point,
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G_TYPE_NONE);
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return_vals = _pika_pdb_run_procedure_array (pika_get_pdb (),
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"pika-image-delete-sample-point",
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args);
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pika_value_array_unref (args);
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success = PIKA_VALUES_GET_ENUM (return_vals, 0) == PIKA_PDB_SUCCESS;
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pika_value_array_unref (return_vals);
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return success;
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}
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/**
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* pika_image_find_next_sample_point:
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* @image: The image.
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* @sample_point: The ID of the current sample point (0 if first invocation).
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*
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* Find next sample point on an image.
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*
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* This procedure takes an image and a sample point ID as input and
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* finds the sample point ID of the successor of the given sample point
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* ID in the image's sample point list. If the supplied sample point ID
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* is 0, the procedure will return the first sample point. The
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* procedure will return 0 if given the final sample point ID as an
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* argument or the image has no sample points.
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*
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* Returns: The next sample point's ID.
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*
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* Since: 2.10
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**/
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guint
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pika_image_find_next_sample_point (PikaImage *image,
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guint sample_point)
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{
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PikaValueArray *args;
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PikaValueArray *return_vals;
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guint next_sample_point = 0;
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args = pika_value_array_new_from_types (NULL,
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PIKA_TYPE_IMAGE, image,
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G_TYPE_UINT, sample_point,
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G_TYPE_NONE);
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return_vals = _pika_pdb_run_procedure_array (pika_get_pdb (),
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"pika-image-find-next-sample-point",
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args);
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pika_value_array_unref (args);
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if (PIKA_VALUES_GET_ENUM (return_vals, 0) == PIKA_PDB_SUCCESS)
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next_sample_point = PIKA_VALUES_GET_UINT (return_vals, 1);
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pika_value_array_unref (return_vals);
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return next_sample_point;
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}
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/**
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* pika_image_get_sample_point_position:
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* @image: The image.
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* @sample_point: The guide.
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* @position_y: (out): The sample point's y-offset relative to top of image.
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*
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* Get position of a sample point on an image.
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*
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* This procedure takes an image and a sample point ID as input and
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* returns the position of the sample point relative to the top and
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* left of the image.
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*
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* Returns: The sample point's x-offset relative to left of image.
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*
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* Since: 2.10
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**/
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gint
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pika_image_get_sample_point_position (PikaImage *image,
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guint sample_point,
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gint *position_y)
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{
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PikaValueArray *args;
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PikaValueArray *return_vals;
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gint position_x = G_MININT;
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args = pika_value_array_new_from_types (NULL,
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PIKA_TYPE_IMAGE, image,
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G_TYPE_UINT, sample_point,
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G_TYPE_NONE);
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return_vals = _pika_pdb_run_procedure_array (pika_get_pdb (),
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"pika-image-get-sample-point-position",
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args);
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pika_value_array_unref (args);
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if (PIKA_VALUES_GET_ENUM (return_vals, 0) == PIKA_PDB_SUCCESS)
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{
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position_x = PIKA_VALUES_GET_INT (return_vals, 1);
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*position_y = PIKA_VALUES_GET_INT (return_vals, 2);
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}
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pika_value_array_unref (return_vals);
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return position_x;
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}
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