439 lines
13 KiB
C
439 lines
13 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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* pikachannel_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: pikachannel
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* @title: pikachannel
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* @short_description: Functions for manipulating channels.
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*
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* Functions for manipulating channels.
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**/
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/**
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* _pika_channel_new:
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* @image: The image to which to add the channel.
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* @width: The channel width.
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* @height: The channel height.
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* @name: The channel name.
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* @opacity: The channel opacity.
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* @color: The channel compositing color.
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*
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* Create a new channel.
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*
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* This procedure creates a new channel with the specified width,
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* height, name, opacity and color.
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* The new channel still needs to be added to the image, as this is not
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* automatic. Add the new channel with pika_image_insert_channel().
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* Other attributes, such as channel visibility, should be set with
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* explicit procedure calls.
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* The channel's contents are undefined initially.
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*
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* Returns: (transfer none): The newly created channel.
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**/
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PikaChannel *
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_pika_channel_new (PikaImage *image,
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gint width,
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gint height,
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const gchar *name,
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gdouble opacity,
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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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PikaChannel *channel = NULL;
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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, width,
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G_TYPE_INT, height,
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G_TYPE_STRING, name,
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G_TYPE_DOUBLE, opacity,
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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-channel-new",
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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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channel = PIKA_VALUES_GET_CHANNEL (return_vals, 1);
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pika_value_array_unref (return_vals);
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return channel;
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}
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/**
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* pika_channel_new_from_component:
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* @image: The image to which to add the channel.
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* @component: The image component.
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* @name: The channel name.
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*
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* Create a new channel from a color component
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*
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* This procedure creates a new channel from a color component.
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* The new channel still needs to be added to the image, as this is not
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* automatic. Add the new channel with pika_image_insert_channel().
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* Other attributes, such as channel visibility, should be set with
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* explicit procedure calls.
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*
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* Returns: (transfer none): The newly created channel.
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*
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* Since: 2.4
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**/
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PikaChannel *
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pika_channel_new_from_component (PikaImage *image,
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PikaChannelType component,
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const gchar *name)
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{
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PikaValueArray *args;
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PikaValueArray *return_vals;
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PikaChannel *channel = NULL;
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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_TYPE, component,
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G_TYPE_STRING, name,
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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-channel-new-from-component",
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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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channel = PIKA_VALUES_GET_CHANNEL (return_vals, 1);
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pika_value_array_unref (return_vals);
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return channel;
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}
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/**
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* pika_channel_copy:
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* @channel: The channel to copy.
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*
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* Copy a channel.
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*
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* This procedure copies the specified channel and returns the copy.
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* The new channel still needs to be added to the image, as this is not
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* automatic. Add the new channel with pika_image_insert_channel().
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*
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* Returns: (transfer none): The newly copied channel.
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**/
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PikaChannel *
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pika_channel_copy (PikaChannel *channel)
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{
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PikaValueArray *args;
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PikaValueArray *return_vals;
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PikaChannel *channel_copy = NULL;
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args = pika_value_array_new_from_types (NULL,
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PIKA_TYPE_CHANNEL, channel,
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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-channel-copy",
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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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channel_copy = PIKA_VALUES_GET_CHANNEL (return_vals, 1);
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pika_value_array_unref (return_vals);
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return channel_copy;
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}
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/**
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* pika_channel_combine_masks:
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* @channel1: The channel1.
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* @channel2: The channel2.
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* @operation: The selection operation.
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* @offx: x offset between upper left corner of channels: (second - first).
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* @offy: y offset between upper left corner of channels: (second - first).
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*
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* Combine two channel masks.
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*
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* This procedure combines two channel masks. The result is stored in
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* the first channel.
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*
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* Returns: TRUE on success.
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**/
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gboolean
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pika_channel_combine_masks (PikaChannel *channel1,
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PikaChannel *channel2,
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PikaChannelOps operation,
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gint offx,
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gint offy)
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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_CHANNEL, channel1,
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PIKA_TYPE_CHANNEL, channel2,
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PIKA_TYPE_CHANNEL_OPS, operation,
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G_TYPE_INT, offx,
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G_TYPE_INT, offy,
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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-channel-combine-masks",
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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_channel_get_show_masked:
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* @channel: The channel.
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*
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* Get the composite method of the specified channel.
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*
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* This procedure returns the specified channel's composite method. If
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* it is TRUE, then the channel is composited with the image so that
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* masked regions are shown. Otherwise, selected regions are shown.
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*
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* Returns: The channel composite method.
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**/
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gboolean
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pika_channel_get_show_masked (PikaChannel *channel)
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{
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PikaValueArray *args;
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PikaValueArray *return_vals;
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gboolean show_masked = FALSE;
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args = pika_value_array_new_from_types (NULL,
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PIKA_TYPE_CHANNEL, channel,
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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-channel-get-show-masked",
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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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show_masked = PIKA_VALUES_GET_BOOLEAN (return_vals, 1);
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pika_value_array_unref (return_vals);
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return show_masked;
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}
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/**
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* pika_channel_set_show_masked:
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* @channel: The channel.
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* @show_masked: The new channel composite method.
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*
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* Set the composite method of the specified channel.
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*
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* This procedure sets the specified channel's composite method. If it
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* is TRUE, then the channel is composited with the image so that
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* masked regions are shown. Otherwise, selected regions are shown.
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*
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* Returns: TRUE on success.
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**/
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gboolean
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pika_channel_set_show_masked (PikaChannel *channel,
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gboolean show_masked)
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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_CHANNEL, channel,
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G_TYPE_BOOLEAN, show_masked,
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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-channel-set-show-masked",
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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_channel_get_opacity:
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* @channel: The channel.
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*
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* Get the opacity of the specified channel.
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*
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* This procedure returns the specified channel's opacity.
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*
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* Returns: The channel opacity.
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**/
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gdouble
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pika_channel_get_opacity (PikaChannel *channel)
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{
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PikaValueArray *args;
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PikaValueArray *return_vals;
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gdouble opacity = 0.0;
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args = pika_value_array_new_from_types (NULL,
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PIKA_TYPE_CHANNEL, channel,
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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-channel-get-opacity",
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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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opacity = PIKA_VALUES_GET_DOUBLE (return_vals, 1);
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pika_value_array_unref (return_vals);
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return opacity;
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}
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/**
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* pika_channel_set_opacity:
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* @channel: The channel.
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* @opacity: The new channel opacity.
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*
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* Set the opacity of the specified channel.
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*
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* This procedure sets the specified channel's opacity.
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*
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* Returns: TRUE on success.
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**/
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gboolean
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pika_channel_set_opacity (PikaChannel *channel,
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gdouble opacity)
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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_CHANNEL, channel,
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G_TYPE_DOUBLE, opacity,
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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-channel-set-opacity",
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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_channel_get_color:
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* @channel: The channel.
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* @color: (out caller-allocates): The channel compositing color.
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*
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* Get the compositing color of the specified channel.
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*
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* This procedure returns the specified channel's compositing color.
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*
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* Returns: TRUE on success.
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**/
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gboolean
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pika_channel_get_color (PikaChannel *channel,
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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_CHANNEL, channel,
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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-channel-get-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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if (success)
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PIKA_VALUES_GET_RGB (return_vals, 1, &*color);
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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_channel_set_color:
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* @channel: The channel.
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* @color: The new channel compositing color.
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*
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* Set the compositing color of the specified channel.
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*
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* This procedure sets the specified channel's compositing color.
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*
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* Returns: TRUE on success.
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**/
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gboolean
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pika_channel_set_color (PikaChannel *channel,
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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_CHANNEL, channel,
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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-channel-set-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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