449 lines
16 KiB
C
449 lines
16 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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* pikaimageselect_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: pikaimageselect
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* @title: pikaimageselect
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* @short_description: Modify the image's selection.
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*
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* Functions to modify the image's selection.
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**/
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/**
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* pika_image_select_color:
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* @image: The affected image.
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* @operation: The selection operation.
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* @drawable: The affected drawable.
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* @color: The color to select.
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*
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* Create a selection by selecting all pixels (in the specified
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* drawable) with the same (or similar) color to that specified.
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*
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* This tool creates a selection over the specified image. A by-color
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* selection is determined by the supplied color under the constraints
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* of the current context settings. Essentially, all pixels (in the
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* drawable) that have color sufficiently close to the specified color
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* (as determined by the threshold and criterion context values) are
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* included in the selection. To select transparent regions, the color
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* specified must also have minimum alpha.
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*
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* This procedure is affected by the following context setters:
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* pika_context_set_antialias(), pika_context_set_feather(),
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* pika_context_set_feather_radius(), pika_context_set_sample_merged(),
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* pika_context_set_sample_criterion(),
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* pika_context_set_sample_threshold(),
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* pika_context_set_sample_transparent().
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*
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* In the case of a merged sampling, the supplied drawable is ignored.
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*
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* Returns: TRUE on success.
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*
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* Since: 2.8
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**/
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gboolean
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pika_image_select_color (PikaImage *image,
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PikaChannelOps operation,
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PikaDrawable *drawable,
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const PikaRGB *color)
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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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PIKA_TYPE_CHANNEL_OPS, operation,
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PIKA_TYPE_DRAWABLE, drawable,
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PIKA_TYPE_RGB, color,
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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-select-color",
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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_select_contiguous_color:
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* @image: The affected image.
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* @operation: The selection operation.
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* @drawable: The affected drawable.
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* @x: x coordinate of initial seed fill point: (image coordinates).
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* @y: y coordinate of initial seed fill point: (image coordinates).
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*
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* Create a selection by selecting all pixels around specified
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* coordinates with the same (or similar) color to that at the
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* coordinates.
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*
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* This tool creates a contiguous selection over the specified image. A
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* contiguous color selection is determined by a seed fill under the
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* constraints of the current context settings. Essentially, the color
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* at the specified coordinates (in the drawable) is measured and the
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* selection expands outwards from that point to any adjacent pixels
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* which are not significantly different (as determined by the
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* threshold and criterion context settings). This process continues
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* until no more expansion is possible. If antialiasing is turned on,
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* the final selection mask will contain intermediate values based on
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* close misses to the threshold bar at pixels along the seed fill
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* boundary.
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*
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* This procedure is affected by the following context setters:
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* pika_context_set_antialias(), pika_context_set_feather(),
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* pika_context_set_feather_radius(), pika_context_set_sample_merged(),
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* pika_context_set_sample_criterion(),
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* pika_context_set_sample_threshold(),
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* pika_context_set_sample_transparent(),
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* pika_context_set_diagonal_neighbors().
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*
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* In the case of a merged sampling, the supplied drawable is ignored.
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* If the sample is merged, the specified coordinates are relative to
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* the image origin; otherwise, they are relative to the drawable's
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* origin.
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*
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* Returns: TRUE on success.
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*
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* Since: 2.8
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**/
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gboolean
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pika_image_select_contiguous_color (PikaImage *image,
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PikaChannelOps operation,
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PikaDrawable *drawable,
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gdouble x,
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gdouble y)
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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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PIKA_TYPE_CHANNEL_OPS, operation,
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PIKA_TYPE_DRAWABLE, drawable,
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G_TYPE_DOUBLE, x,
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G_TYPE_DOUBLE, 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-select-contiguous-color",
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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_select_rectangle:
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* @image: The image.
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* @operation: The selection operation.
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* @x: x coordinate of upper-left corner of rectangle.
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* @y: y coordinate of upper-left corner of rectangle.
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* @width: The width of the rectangle.
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* @height: The height of the rectangle.
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*
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* Create a rectangular selection over the specified image;
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*
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* This tool creates a rectangular selection over the specified image.
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* The rectangular region can be either added to, subtracted from, or
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* replace the contents of the previous selection mask.
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*
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* This procedure is affected by the following context setters:
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* pika_context_set_feather(), pika_context_set_feather_radius().
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*
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* Returns: TRUE on success.
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*
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* Since: 2.8
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**/
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gboolean
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pika_image_select_rectangle (PikaImage *image,
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PikaChannelOps operation,
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gdouble x,
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gdouble y,
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gdouble width,
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gdouble height)
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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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PIKA_TYPE_CHANNEL_OPS, operation,
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G_TYPE_DOUBLE, x,
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G_TYPE_DOUBLE, y,
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G_TYPE_DOUBLE, width,
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G_TYPE_DOUBLE, height,
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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-select-rectangle",
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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_select_round_rectangle:
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* @image: The image.
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* @operation: The selection operation.
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* @x: x coordinate of upper-left corner of rectangle.
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* @y: y coordinate of upper-left corner of rectangle.
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* @width: The width of the rectangle.
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* @height: The height of the rectangle.
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* @corner_radius_x: The corner radius in X direction.
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* @corner_radius_y: The corner radius in Y direction.
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*
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* Create a rectangular selection with round corners over the specified
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* image;
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*
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* This tool creates a rectangular selection with round corners over
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* the specified image. The rectangular region can be either added to,
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* subtracted from, or replace the contents of the previous selection
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* mask.
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*
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* This procedure is affected by the following context setters:
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* pika_context_set_antialias(), pika_context_set_feather(),
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* pika_context_set_feather_radius().
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*
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* Returns: TRUE on success.
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*
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* Since: 2.8
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**/
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gboolean
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pika_image_select_round_rectangle (PikaImage *image,
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PikaChannelOps operation,
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gdouble x,
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gdouble y,
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gdouble width,
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gdouble height,
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gdouble corner_radius_x,
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gdouble corner_radius_y)
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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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PIKA_TYPE_CHANNEL_OPS, operation,
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G_TYPE_DOUBLE, x,
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G_TYPE_DOUBLE, y,
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G_TYPE_DOUBLE, width,
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G_TYPE_DOUBLE, height,
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G_TYPE_DOUBLE, corner_radius_x,
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G_TYPE_DOUBLE, corner_radius_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-select-round-rectangle",
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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_select_ellipse:
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* @image: The image.
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* @operation: The selection operation.
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* @x: x coordinate of upper-left corner of ellipse bounding box.
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* @y: y coordinate of upper-left corner of ellipse bounding box.
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* @width: The width of the ellipse.
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* @height: The height of the ellipse.
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*
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* Create an elliptical selection over the specified image.
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*
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* This tool creates an elliptical selection over the specified image.
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* The elliptical region can be either added to, subtracted from, or
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* replace the contents of the previous selection mask.
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*
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* This procedure is affected by the following context setters:
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* pika_context_set_antialias(), pika_context_set_feather(),
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* pika_context_set_feather_radius().
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*
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* Returns: TRUE on success.
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*
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* Since: 2.8
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**/
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gboolean
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pika_image_select_ellipse (PikaImage *image,
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PikaChannelOps operation,
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gdouble x,
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gdouble y,
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gdouble width,
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gdouble height)
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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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PIKA_TYPE_CHANNEL_OPS, operation,
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G_TYPE_DOUBLE, x,
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G_TYPE_DOUBLE, y,
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G_TYPE_DOUBLE, width,
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G_TYPE_DOUBLE, height,
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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-select-ellipse",
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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_select_polygon:
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* @image: The image.
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* @operation: The selection operation.
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* @num_segs: Number of points (count 1 coordinate as two points).
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* @segs: (array length=num_segs) (element-type gdouble): Array of points: { p1.x, p1.y, p2.x, p2.y, ..., pn.x, pn.y}.
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*
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* Create a polygonal selection over the specified image.
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*
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* This tool creates a polygonal selection over the specified image.
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* The polygonal region can be either added to, subtracted from, or
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* replace the contents of the previous selection mask. The polygon is
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* specified through an array of floating point numbers and its length.
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* The length of array must be 2n, where n is the number of points.
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* Each point is defined by 2 floating point values which correspond to
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* the x and y coordinates. If the final point does not connect to the
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* starting point, a connecting segment is automatically added.
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*
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* This procedure is affected by the following context setters:
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* pika_context_set_antialias(), pika_context_set_feather(),
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* pika_context_set_feather_radius().
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*
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* Returns: TRUE on success.
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*
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* Since: 2.8
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**/
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gboolean
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pika_image_select_polygon (PikaImage *image,
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PikaChannelOps operation,
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gint num_segs,
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const gdouble *segs)
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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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PIKA_TYPE_CHANNEL_OPS, operation,
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G_TYPE_INT, num_segs,
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PIKA_TYPE_FLOAT_ARRAY, NULL,
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G_TYPE_NONE);
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pika_value_set_float_array (pika_value_array_index (args, 3), segs, num_segs);
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return_vals = pika_pdb_run_procedure_array (pika_get_pdb (),
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"pika-image-select-polygon",
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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_select_item:
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* @image: The image.
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* @operation: The desired operation with current selection.
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* @item: The item to render to the selection.
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*
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* Transforms the specified item into a selection
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*
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* This procedure renders the item's outline into the current selection
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* of the image the item belongs to. What exactly the item's outline is
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* depends on the item type: for layers, it's the layer's alpha
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* channel, for vectors the vector's shape.
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*
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* This procedure is affected by the following context setters:
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* pika_context_set_antialias(), pika_context_set_feather(),
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* pika_context_set_feather_radius().
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*
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* Returns: TRUE on success.
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*
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* Since: 2.8
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**/
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gboolean
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pika_image_select_item (PikaImage *image,
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PikaChannelOps operation,
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PikaItem *item)
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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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PIKA_TYPE_CHANNEL_OPS, operation,
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PIKA_TYPE_ITEM, item,
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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-select-item",
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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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