1414 lines
43 KiB
C
1414 lines
43 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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* pikalayer_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: pikalayer
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* @title: pikalayer
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* @short_description: Operations on a single layer.
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*
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* Operations on a single layer.
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**/
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/**
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* _pika_layer_new:
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* @image: The image to which to add the layer.
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* @width: The layer width.
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* @height: The layer height.
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* @type: The layer type.
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* @name: The layer name.
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* @opacity: The layer opacity.
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* @mode: The layer combination mode.
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*
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* Create a new layer.
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*
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* This procedure creates a new layer with the specified width, height,
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* and type. Name, opacity, and mode are also supplied parameters. The
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* new layer still needs to be added to the image, as this is not
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* automatic. Add the new layer with the pika_image_insert_layer()
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* command. Other attributes such as layer mask modes, and offsets
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* should be set with explicit procedure calls.
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*
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* Returns: (transfer none): The newly created layer.
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**/
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PikaLayer *
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_pika_layer_new (PikaImage *image,
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gint width,
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gint height,
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PikaImageType type,
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const gchar *name,
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gdouble opacity,
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PikaLayerMode mode)
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{
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PikaValueArray *args;
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PikaValueArray *return_vals;
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PikaLayer *layer = 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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PIKA_TYPE_IMAGE_TYPE, type,
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G_TYPE_STRING, name,
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G_TYPE_DOUBLE, opacity,
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PIKA_TYPE_LAYER_MODE, mode,
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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-layer-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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layer = PIKA_VALUES_GET_LAYER (return_vals, 1);
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pika_value_array_unref (return_vals);
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return layer;
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}
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/**
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* pika_layer_new_from_visible:
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* @image: The source image from where the content is copied.
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* @dest_image: The destination image to which to add the layer.
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* @name: The layer name.
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*
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* Create a new layer from what is visible in an image.
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*
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* This procedure creates a new layer from what is visible in the given
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* image. The new layer still needs to be added to the destination
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* image, as this is not automatic. Add the new layer with the
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* pika_image_insert_layer() command. Other attributes such as layer
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* mask modes, and offsets should be set with explicit procedure calls.
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*
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* Returns: (transfer none): The newly created layer.
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*
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* Since: 2.6
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**/
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PikaLayer *
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pika_layer_new_from_visible (PikaImage *image,
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PikaImage *dest_image,
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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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PikaLayer *layer = 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_IMAGE, dest_image,
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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-layer-new-from-visible",
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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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layer = PIKA_VALUES_GET_LAYER (return_vals, 1);
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pika_value_array_unref (return_vals);
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return layer;
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}
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/**
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* pika_layer_new_from_drawable:
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* @drawable: The source drawable from where the new layer is copied.
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* @dest_image: The destination image to which to add the layer.
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*
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* Create a new layer by copying an existing drawable.
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*
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* This procedure creates a new layer as a copy of the specified
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* drawable. The new layer still needs to be added to the image, as
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* this is not automatic. Add the new layer with the
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* pika_image_insert_layer() command. Other attributes such as layer
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* mask modes, and offsets should be set with explicit procedure calls.
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*
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* Returns: (transfer none): The newly copied layer.
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**/
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PikaLayer *
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pika_layer_new_from_drawable (PikaDrawable *drawable,
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PikaImage *dest_image)
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{
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PikaValueArray *args;
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PikaValueArray *return_vals;
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PikaLayer *layer_copy = NULL;
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args = pika_value_array_new_from_types (NULL,
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PIKA_TYPE_DRAWABLE, drawable,
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PIKA_TYPE_IMAGE, dest_image,
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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-layer-new-from-drawable",
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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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layer_copy = PIKA_VALUES_GET_LAYER (return_vals, 1);
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pika_value_array_unref (return_vals);
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return layer_copy;
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}
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/**
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* pika_layer_group_new:
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* @image: The image to which to add the layer group.
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*
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* Create a new layer group.
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*
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* This procedure creates a new layer group. Attributes such as layer
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* mode and opacity should be set with explicit procedure calls. Add
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* the new layer group (which is a kind of layer) with the
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* pika_image_insert_layer() command.
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* Other procedures useful with layer groups:
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* pika_image_reorder_item(), pika_item_get_parent(),
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* pika_item_get_children(), pika_item_is_group().
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*
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* Returns: (transfer none): The newly created layer group.
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*
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* Since: 2.8
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**/
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PikaLayer *
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pika_layer_group_new (PikaImage *image)
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{
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PikaValueArray *args;
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PikaValueArray *return_vals;
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PikaLayer *layer_group = 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_NONE);
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return_vals = pika_pdb_run_procedure_array (pika_get_pdb (),
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"pika-layer-group-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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layer_group = PIKA_VALUES_GET_LAYER (return_vals, 1);
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pika_value_array_unref (return_vals);
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return layer_group;
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}
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/**
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* _pika_layer_copy:
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* @layer: The layer to copy.
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* @add_alpha: Add an alpha channel to the copied layer.
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*
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* Copy a layer.
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*
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* This procedure copies the specified layer and returns the copy. The
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* newly copied layer is for use within the original layer's image. It
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* should not be subsequently added to any other image. The copied
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* layer can optionally have an added alpha channel. This is useful if
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* the background layer in an image is being copied and added to the
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* same image.
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*
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* Returns: (transfer none): The newly copied layer.
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**/
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PikaLayer *
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_pika_layer_copy (PikaLayer *layer,
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gboolean add_alpha)
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{
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PikaValueArray *args;
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PikaValueArray *return_vals;
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PikaLayer *layer_copy = NULL;
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args = pika_value_array_new_from_types (NULL,
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PIKA_TYPE_LAYER, layer,
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G_TYPE_BOOLEAN, add_alpha,
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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-layer-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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layer_copy = PIKA_VALUES_GET_LAYER (return_vals, 1);
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pika_value_array_unref (return_vals);
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return layer_copy;
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}
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/**
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* pika_layer_add_alpha:
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* @layer: The layer.
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*
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* Add an alpha channel to the layer if it doesn't already have one.
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*
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* This procedure adds an additional component to the specified layer
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* if it does not already possess an alpha channel. An alpha channel
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* makes it possible to clear and erase to transparency, instead of the
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* background color. This transforms layers of type RGB to RGBA, GRAY
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* to GRAYA, and INDEXED to INDEXEDA.
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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_layer_add_alpha (PikaLayer *layer)
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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_LAYER, layer,
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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-layer-add-alpha",
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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_layer_flatten:
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* @layer: The layer.
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*
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* Remove the alpha channel from the layer if it has one.
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*
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* This procedure removes the alpha channel from a layer, blending all
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* (partially) transparent pixels in the layer against the background
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* color. This transforms layers of type RGBA to RGB, GRAYA to GRAY,
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* and INDEXEDA to INDEXED.
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*
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* Returns: TRUE on success.
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*
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* Since: 2.4
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**/
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gboolean
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pika_layer_flatten (PikaLayer *layer)
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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_LAYER, layer,
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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-layer-flatten",
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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_layer_scale:
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* @layer: The layer.
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* @new_width: New layer width.
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* @new_height: New layer height.
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* @local_origin: Use a local origin (as opposed to the image origin).
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*
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* Scale the layer using the default interpolation method.
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*
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* This procedure scales the layer so that its new width and height are
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* equal to the supplied parameters. The 'local-origin' parameter
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* specifies whether to scale from the center of the layer, or from the
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* image origin. This operation only works if the layer has been added
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* to an image. The interpolation method used can be set with
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* pika_context_set_interpolation().
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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_layer_scale (PikaLayer *layer,
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gint new_width,
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gint new_height,
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gboolean local_origin)
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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_LAYER, layer,
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G_TYPE_INT, new_width,
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G_TYPE_INT, new_height,
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G_TYPE_BOOLEAN, local_origin,
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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-layer-scale",
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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_layer_resize:
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* @layer: The layer.
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* @new_width: New layer width.
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* @new_height: New layer height.
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* @offx: x offset between upper left corner of old and new layers: (old - new).
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* @offy: y offset between upper left corner of old and new layers: (old - new).
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*
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* Resize the layer to the specified extents.
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*
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* This procedure resizes the layer so that its new width and height
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* are equal to the supplied parameters. Offsets are also provided
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* which describe the position of the previous layer's content. This
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* operation only works if the layer has been added to an image.
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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_layer_resize (PikaLayer *layer,
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gint new_width,
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gint new_height,
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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_LAYER, layer,
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G_TYPE_INT, new_width,
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G_TYPE_INT, new_height,
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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-layer-resize",
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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_layer_resize_to_image_size:
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* @layer: The layer to resize.
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*
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* Resize a layer to the image size.
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*
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* This procedure resizes the layer so that it's new width and height
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* are equal to the width and height of its image container.
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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_layer_resize_to_image_size (PikaLayer *layer)
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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_LAYER, layer,
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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-layer-resize-to-image-size",
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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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/**
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* pika_layer_set_offsets:
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* @layer: The layer.
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* @offx: Offset in x direction.
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* @offy: Offset in y direction.
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*
|
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* Set the layer offsets.
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*
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* This procedure sets the offsets for the specified layer. The offsets
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* are relative to the image origin and can be any values. This
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* operation is valid only on layers which have been added to an image.
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*
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* Returns: TRUE on success.
|
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**/
|
|
gboolean
|
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pika_layer_set_offsets (PikaLayer *layer,
|
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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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|
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args = pika_value_array_new_from_types (NULL,
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PIKA_TYPE_LAYER, layer,
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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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|
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return_vals = pika_pdb_run_procedure_array (pika_get_pdb (),
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"pika-layer-set-offsets",
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args);
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pika_value_array_unref (args);
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|
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success = PIKA_VALUES_GET_ENUM (return_vals, 0) == PIKA_PDB_SUCCESS;
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|
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pika_value_array_unref (return_vals);
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return success;
|
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}
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|
|
/**
|
|
* pika_layer_create_mask:
|
|
* @layer: The layer to which to add the mask.
|
|
* @mask_type: The type of mask.
|
|
*
|
|
* Create a layer mask for the specified layer.
|
|
*
|
|
* This procedure creates a layer mask for the specified layer.
|
|
* Layer masks serve as an additional alpha channel for a layer.
|
|
* Different types of masks are allowed for initialisation:
|
|
* - white mask (leaves the layer fully visible);
|
|
* - black mask (gives the layer complete transparency);
|
|
* - the layer's alpha channel (either a copy, or a transfer, which
|
|
* leaves the layer fully visible, but which may be more useful than a
|
|
* white mask);
|
|
* - the current selection;
|
|
* - a grayscale copy of the layer;
|
|
* - or a copy of the active channel.
|
|
*
|
|
* The layer mask still needs to be added to the layer. This can be
|
|
* done with a call to pika_layer_add_mask().
|
|
*
|
|
* pika_layer_create_mask() will fail if there are no active channels
|
|
* on the image, when called with 'ADD-CHANNEL-MASK'. It will return a
|
|
* black mask when called with 'ADD-ALPHA-MASK' or
|
|
* 'ADD-ALPHA-TRANSFER-MASK' on a layer with no alpha channels, or with
|
|
* 'ADD-SELECTION-MASK' when there is no selection on the image.
|
|
*
|
|
* Returns: (transfer none): The newly created mask.
|
|
**/
|
|
PikaLayerMask *
|
|
pika_layer_create_mask (PikaLayer *layer,
|
|
PikaAddMaskType mask_type)
|
|
{
|
|
PikaValueArray *args;
|
|
PikaValueArray *return_vals;
|
|
PikaLayerMask *mask = NULL;
|
|
|
|
args = pika_value_array_new_from_types (NULL,
|
|
PIKA_TYPE_LAYER, layer,
|
|
PIKA_TYPE_ADD_MASK_TYPE, mask_type,
|
|
G_TYPE_NONE);
|
|
|
|
return_vals = pika_pdb_run_procedure_array (pika_get_pdb (),
|
|
"pika-layer-create-mask",
|
|
args);
|
|
pika_value_array_unref (args);
|
|
|
|
if (PIKA_VALUES_GET_ENUM (return_vals, 0) == PIKA_PDB_SUCCESS)
|
|
mask = PIKA_VALUES_GET_LAYER_MASK (return_vals, 1);
|
|
|
|
pika_value_array_unref (return_vals);
|
|
|
|
return mask;
|
|
}
|
|
|
|
/**
|
|
* pika_layer_get_mask:
|
|
* @layer: The layer.
|
|
*
|
|
* Get the specified layer's mask if it exists.
|
|
*
|
|
* This procedure returns the specified layer's mask, or -1 if none
|
|
* exists.
|
|
*
|
|
* Returns: (transfer none): The layer mask.
|
|
**/
|
|
PikaLayerMask *
|
|
pika_layer_get_mask (PikaLayer *layer)
|
|
{
|
|
PikaValueArray *args;
|
|
PikaValueArray *return_vals;
|
|
PikaLayerMask *mask = NULL;
|
|
|
|
args = pika_value_array_new_from_types (NULL,
|
|
PIKA_TYPE_LAYER, layer,
|
|
G_TYPE_NONE);
|
|
|
|
return_vals = pika_pdb_run_procedure_array (pika_get_pdb (),
|
|
"pika-layer-get-mask",
|
|
args);
|
|
pika_value_array_unref (args);
|
|
|
|
if (PIKA_VALUES_GET_ENUM (return_vals, 0) == PIKA_PDB_SUCCESS)
|
|
mask = PIKA_VALUES_GET_LAYER_MASK (return_vals, 1);
|
|
|
|
pika_value_array_unref (return_vals);
|
|
|
|
return mask;
|
|
}
|
|
|
|
/**
|
|
* pika_layer_from_mask:
|
|
* @mask: Mask for which to return the layer.
|
|
*
|
|
* Get the specified mask's layer.
|
|
*
|
|
* This procedure returns the specified mask's layer , or -1 if none
|
|
* exists.
|
|
*
|
|
* Returns: (transfer none): The mask's layer.
|
|
*
|
|
* Since: 2.2
|
|
**/
|
|
PikaLayer *
|
|
pika_layer_from_mask (PikaLayerMask *mask)
|
|
{
|
|
PikaValueArray *args;
|
|
PikaValueArray *return_vals;
|
|
PikaLayer *layer = NULL;
|
|
|
|
args = pika_value_array_new_from_types (NULL,
|
|
PIKA_TYPE_LAYER_MASK, mask,
|
|
G_TYPE_NONE);
|
|
|
|
return_vals = pika_pdb_run_procedure_array (pika_get_pdb (),
|
|
"pika-layer-from-mask",
|
|
args);
|
|
pika_value_array_unref (args);
|
|
|
|
if (PIKA_VALUES_GET_ENUM (return_vals, 0) == PIKA_PDB_SUCCESS)
|
|
layer = PIKA_VALUES_GET_LAYER (return_vals, 1);
|
|
|
|
pika_value_array_unref (return_vals);
|
|
|
|
return layer;
|
|
}
|
|
|
|
/**
|
|
* pika_layer_add_mask:
|
|
* @layer: The layer to receive the mask.
|
|
* @mask: The mask to add to the layer.
|
|
*
|
|
* Add a layer mask to the specified layer.
|
|
*
|
|
* This procedure adds a layer mask to the specified layer. Layer masks
|
|
* serve as an additional alpha channel for a layer. This procedure
|
|
* will fail if a number of prerequisites aren't met. The layer cannot
|
|
* already have a layer mask. The specified mask must exist and have
|
|
* the same dimensions as the layer. The layer must have been created
|
|
* for use with the specified image and the mask must have been created
|
|
* with the procedure 'pika-layer-create-mask'.
|
|
*
|
|
* Returns: TRUE on success.
|
|
**/
|
|
gboolean
|
|
pika_layer_add_mask (PikaLayer *layer,
|
|
PikaLayerMask *mask)
|
|
{
|
|
PikaValueArray *args;
|
|
PikaValueArray *return_vals;
|
|
gboolean success = TRUE;
|
|
|
|
args = pika_value_array_new_from_types (NULL,
|
|
PIKA_TYPE_LAYER, layer,
|
|
PIKA_TYPE_LAYER_MASK, mask,
|
|
G_TYPE_NONE);
|
|
|
|
return_vals = pika_pdb_run_procedure_array (pika_get_pdb (),
|
|
"pika-layer-add-mask",
|
|
args);
|
|
pika_value_array_unref (args);
|
|
|
|
success = PIKA_VALUES_GET_ENUM (return_vals, 0) == PIKA_PDB_SUCCESS;
|
|
|
|
pika_value_array_unref (return_vals);
|
|
|
|
return success;
|
|
}
|
|
|
|
/**
|
|
* pika_layer_remove_mask:
|
|
* @layer: The layer from which to remove mask.
|
|
* @mode: Removal mode.
|
|
*
|
|
* Remove the specified layer mask from the layer.
|
|
*
|
|
* This procedure removes the specified layer mask from the layer. If
|
|
* the mask doesn't exist, an error is returned.
|
|
*
|
|
* Returns: TRUE on success.
|
|
**/
|
|
gboolean
|
|
pika_layer_remove_mask (PikaLayer *layer,
|
|
PikaMaskApplyMode mode)
|
|
{
|
|
PikaValueArray *args;
|
|
PikaValueArray *return_vals;
|
|
gboolean success = TRUE;
|
|
|
|
args = pika_value_array_new_from_types (NULL,
|
|
PIKA_TYPE_LAYER, layer,
|
|
PIKA_TYPE_MASK_APPLY_MODE, mode,
|
|
G_TYPE_NONE);
|
|
|
|
return_vals = pika_pdb_run_procedure_array (pika_get_pdb (),
|
|
"pika-layer-remove-mask",
|
|
args);
|
|
pika_value_array_unref (args);
|
|
|
|
success = PIKA_VALUES_GET_ENUM (return_vals, 0) == PIKA_PDB_SUCCESS;
|
|
|
|
pika_value_array_unref (return_vals);
|
|
|
|
return success;
|
|
}
|
|
|
|
/**
|
|
* pika_layer_is_floating_sel:
|
|
* @layer: The layer.
|
|
*
|
|
* Is the specified layer a floating selection?
|
|
*
|
|
* This procedure returns whether the layer is a floating selection.
|
|
* Floating selections are special cases of layers which are attached
|
|
* to a specific drawable.
|
|
*
|
|
* Returns: TRUE if the layer is a floating selection.
|
|
**/
|
|
gboolean
|
|
pika_layer_is_floating_sel (PikaLayer *layer)
|
|
{
|
|
PikaValueArray *args;
|
|
PikaValueArray *return_vals;
|
|
gboolean is_floating_sel = FALSE;
|
|
|
|
args = pika_value_array_new_from_types (NULL,
|
|
PIKA_TYPE_LAYER, layer,
|
|
G_TYPE_NONE);
|
|
|
|
return_vals = pika_pdb_run_procedure_array (pika_get_pdb (),
|
|
"pika-layer-is-floating-sel",
|
|
args);
|
|
pika_value_array_unref (args);
|
|
|
|
if (PIKA_VALUES_GET_ENUM (return_vals, 0) == PIKA_PDB_SUCCESS)
|
|
is_floating_sel = PIKA_VALUES_GET_BOOLEAN (return_vals, 1);
|
|
|
|
pika_value_array_unref (return_vals);
|
|
|
|
return is_floating_sel;
|
|
}
|
|
|
|
/**
|
|
* pika_layer_get_lock_alpha:
|
|
* @layer: The layer.
|
|
*
|
|
* Get the lock alpha channel setting of the specified layer.
|
|
*
|
|
* This procedure returns the specified layer's lock alpha channel
|
|
* setting.
|
|
*
|
|
* Returns: The layer's lock alpha channel setting.
|
|
**/
|
|
gboolean
|
|
pika_layer_get_lock_alpha (PikaLayer *layer)
|
|
{
|
|
PikaValueArray *args;
|
|
PikaValueArray *return_vals;
|
|
gboolean lock_alpha = FALSE;
|
|
|
|
args = pika_value_array_new_from_types (NULL,
|
|
PIKA_TYPE_LAYER, layer,
|
|
G_TYPE_NONE);
|
|
|
|
return_vals = pika_pdb_run_procedure_array (pika_get_pdb (),
|
|
"pika-layer-get-lock-alpha",
|
|
args);
|
|
pika_value_array_unref (args);
|
|
|
|
if (PIKA_VALUES_GET_ENUM (return_vals, 0) == PIKA_PDB_SUCCESS)
|
|
lock_alpha = PIKA_VALUES_GET_BOOLEAN (return_vals, 1);
|
|
|
|
pika_value_array_unref (return_vals);
|
|
|
|
return lock_alpha;
|
|
}
|
|
|
|
/**
|
|
* pika_layer_set_lock_alpha:
|
|
* @layer: The layer.
|
|
* @lock_alpha: The new layer's lock alpha channel setting.
|
|
*
|
|
* Set the lock alpha channel setting of the specified layer.
|
|
*
|
|
* This procedure sets the specified layer's lock alpha channel
|
|
* setting.
|
|
*
|
|
* Returns: TRUE on success.
|
|
**/
|
|
gboolean
|
|
pika_layer_set_lock_alpha (PikaLayer *layer,
|
|
gboolean lock_alpha)
|
|
{
|
|
PikaValueArray *args;
|
|
PikaValueArray *return_vals;
|
|
gboolean success = TRUE;
|
|
|
|
args = pika_value_array_new_from_types (NULL,
|
|
PIKA_TYPE_LAYER, layer,
|
|
G_TYPE_BOOLEAN, lock_alpha,
|
|
G_TYPE_NONE);
|
|
|
|
return_vals = pika_pdb_run_procedure_array (pika_get_pdb (),
|
|
"pika-layer-set-lock-alpha",
|
|
args);
|
|
pika_value_array_unref (args);
|
|
|
|
success = PIKA_VALUES_GET_ENUM (return_vals, 0) == PIKA_PDB_SUCCESS;
|
|
|
|
pika_value_array_unref (return_vals);
|
|
|
|
return success;
|
|
}
|
|
|
|
/**
|
|
* pika_layer_get_apply_mask:
|
|
* @layer: The layer.
|
|
*
|
|
* Get the apply mask setting of the specified layer.
|
|
*
|
|
* This procedure returns the specified layer's apply mask setting. If
|
|
* the value is TRUE, then the layer mask for this layer is currently
|
|
* being composited with the layer's alpha channel.
|
|
*
|
|
* Returns: The layer's apply mask setting.
|
|
**/
|
|
gboolean
|
|
pika_layer_get_apply_mask (PikaLayer *layer)
|
|
{
|
|
PikaValueArray *args;
|
|
PikaValueArray *return_vals;
|
|
gboolean apply_mask = FALSE;
|
|
|
|
args = pika_value_array_new_from_types (NULL,
|
|
PIKA_TYPE_LAYER, layer,
|
|
G_TYPE_NONE);
|
|
|
|
return_vals = pika_pdb_run_procedure_array (pika_get_pdb (),
|
|
"pika-layer-get-apply-mask",
|
|
args);
|
|
pika_value_array_unref (args);
|
|
|
|
if (PIKA_VALUES_GET_ENUM (return_vals, 0) == PIKA_PDB_SUCCESS)
|
|
apply_mask = PIKA_VALUES_GET_BOOLEAN (return_vals, 1);
|
|
|
|
pika_value_array_unref (return_vals);
|
|
|
|
return apply_mask;
|
|
}
|
|
|
|
/**
|
|
* pika_layer_set_apply_mask:
|
|
* @layer: The layer.
|
|
* @apply_mask: The new layer's apply mask setting.
|
|
*
|
|
* Set the apply mask setting of the specified layer.
|
|
*
|
|
* This procedure sets the specified layer's apply mask setting. This
|
|
* controls whether the layer's mask is currently affecting the alpha
|
|
* channel. If there is no layer mask, this function will return an
|
|
* error.
|
|
*
|
|
* Returns: TRUE on success.
|
|
**/
|
|
gboolean
|
|
pika_layer_set_apply_mask (PikaLayer *layer,
|
|
gboolean apply_mask)
|
|
{
|
|
PikaValueArray *args;
|
|
PikaValueArray *return_vals;
|
|
gboolean success = TRUE;
|
|
|
|
args = pika_value_array_new_from_types (NULL,
|
|
PIKA_TYPE_LAYER, layer,
|
|
G_TYPE_BOOLEAN, apply_mask,
|
|
G_TYPE_NONE);
|
|
|
|
return_vals = pika_pdb_run_procedure_array (pika_get_pdb (),
|
|
"pika-layer-set-apply-mask",
|
|
args);
|
|
pika_value_array_unref (args);
|
|
|
|
success = PIKA_VALUES_GET_ENUM (return_vals, 0) == PIKA_PDB_SUCCESS;
|
|
|
|
pika_value_array_unref (return_vals);
|
|
|
|
return success;
|
|
}
|
|
|
|
/**
|
|
* pika_layer_get_show_mask:
|
|
* @layer: The layer.
|
|
*
|
|
* Get the show mask setting of the specified layer.
|
|
*
|
|
* This procedure returns the specified layer's show mask setting. This
|
|
* controls whether the layer or its mask is visible. TRUE indicates
|
|
* that the mask should be visible. If the layer has no mask, then this
|
|
* function returns an error.
|
|
*
|
|
* Returns: The layer's show mask setting.
|
|
**/
|
|
gboolean
|
|
pika_layer_get_show_mask (PikaLayer *layer)
|
|
{
|
|
PikaValueArray *args;
|
|
PikaValueArray *return_vals;
|
|
gboolean show_mask = FALSE;
|
|
|
|
args = pika_value_array_new_from_types (NULL,
|
|
PIKA_TYPE_LAYER, layer,
|
|
G_TYPE_NONE);
|
|
|
|
return_vals = pika_pdb_run_procedure_array (pika_get_pdb (),
|
|
"pika-layer-get-show-mask",
|
|
args);
|
|
pika_value_array_unref (args);
|
|
|
|
if (PIKA_VALUES_GET_ENUM (return_vals, 0) == PIKA_PDB_SUCCESS)
|
|
show_mask = PIKA_VALUES_GET_BOOLEAN (return_vals, 1);
|
|
|
|
pika_value_array_unref (return_vals);
|
|
|
|
return show_mask;
|
|
}
|
|
|
|
/**
|
|
* pika_layer_set_show_mask:
|
|
* @layer: The layer.
|
|
* @show_mask: The new layer's show mask setting.
|
|
*
|
|
* Set the show mask setting of the specified layer.
|
|
*
|
|
* This procedure sets the specified layer's show mask setting. This
|
|
* controls whether the layer or its mask is visible. TRUE indicates
|
|
* that the mask should be visible. If there is no layer mask, this
|
|
* function will return an error.
|
|
*
|
|
* Returns: TRUE on success.
|
|
**/
|
|
gboolean
|
|
pika_layer_set_show_mask (PikaLayer *layer,
|
|
gboolean show_mask)
|
|
{
|
|
PikaValueArray *args;
|
|
PikaValueArray *return_vals;
|
|
gboolean success = TRUE;
|
|
|
|
args = pika_value_array_new_from_types (NULL,
|
|
PIKA_TYPE_LAYER, layer,
|
|
G_TYPE_BOOLEAN, show_mask,
|
|
G_TYPE_NONE);
|
|
|
|
return_vals = pika_pdb_run_procedure_array (pika_get_pdb (),
|
|
"pika-layer-set-show-mask",
|
|
args);
|
|
pika_value_array_unref (args);
|
|
|
|
success = PIKA_VALUES_GET_ENUM (return_vals, 0) == PIKA_PDB_SUCCESS;
|
|
|
|
pika_value_array_unref (return_vals);
|
|
|
|
return success;
|
|
}
|
|
|
|
/**
|
|
* pika_layer_get_edit_mask:
|
|
* @layer: The layer.
|
|
*
|
|
* Get the edit mask setting of the specified layer.
|
|
*
|
|
* This procedure returns the specified layer's edit mask setting. If
|
|
* the value is TRUE, then the layer mask for this layer is currently
|
|
* active, and not the layer.
|
|
*
|
|
* Returns: The layer's edit mask setting.
|
|
**/
|
|
gboolean
|
|
pika_layer_get_edit_mask (PikaLayer *layer)
|
|
{
|
|
PikaValueArray *args;
|
|
PikaValueArray *return_vals;
|
|
gboolean edit_mask = FALSE;
|
|
|
|
args = pika_value_array_new_from_types (NULL,
|
|
PIKA_TYPE_LAYER, layer,
|
|
G_TYPE_NONE);
|
|
|
|
return_vals = pika_pdb_run_procedure_array (pika_get_pdb (),
|
|
"pika-layer-get-edit-mask",
|
|
args);
|
|
pika_value_array_unref (args);
|
|
|
|
if (PIKA_VALUES_GET_ENUM (return_vals, 0) == PIKA_PDB_SUCCESS)
|
|
edit_mask = PIKA_VALUES_GET_BOOLEAN (return_vals, 1);
|
|
|
|
pika_value_array_unref (return_vals);
|
|
|
|
return edit_mask;
|
|
}
|
|
|
|
/**
|
|
* pika_layer_set_edit_mask:
|
|
* @layer: The layer.
|
|
* @edit_mask: The new layer's edit mask setting.
|
|
*
|
|
* Set the edit mask setting of the specified layer.
|
|
*
|
|
* This procedure sets the specified layer's edit mask setting. This
|
|
* controls whether the layer or it's mask is currently active for
|
|
* editing. If the specified layer has no layer mask, then this
|
|
* procedure will return an error.
|
|
*
|
|
* Returns: TRUE on success.
|
|
**/
|
|
gboolean
|
|
pika_layer_set_edit_mask (PikaLayer *layer,
|
|
gboolean edit_mask)
|
|
{
|
|
PikaValueArray *args;
|
|
PikaValueArray *return_vals;
|
|
gboolean success = TRUE;
|
|
|
|
args = pika_value_array_new_from_types (NULL,
|
|
PIKA_TYPE_LAYER, layer,
|
|
G_TYPE_BOOLEAN, edit_mask,
|
|
G_TYPE_NONE);
|
|
|
|
return_vals = pika_pdb_run_procedure_array (pika_get_pdb (),
|
|
"pika-layer-set-edit-mask",
|
|
args);
|
|
pika_value_array_unref (args);
|
|
|
|
success = PIKA_VALUES_GET_ENUM (return_vals, 0) == PIKA_PDB_SUCCESS;
|
|
|
|
pika_value_array_unref (return_vals);
|
|
|
|
return success;
|
|
}
|
|
|
|
/**
|
|
* pika_layer_get_opacity:
|
|
* @layer: The layer.
|
|
*
|
|
* Get the opacity of the specified layer.
|
|
*
|
|
* This procedure returns the specified layer's opacity.
|
|
*
|
|
* Returns: The layer opacity.
|
|
**/
|
|
gdouble
|
|
pika_layer_get_opacity (PikaLayer *layer)
|
|
{
|
|
PikaValueArray *args;
|
|
PikaValueArray *return_vals;
|
|
gdouble opacity = 0.0;
|
|
|
|
args = pika_value_array_new_from_types (NULL,
|
|
PIKA_TYPE_LAYER, layer,
|
|
G_TYPE_NONE);
|
|
|
|
return_vals = pika_pdb_run_procedure_array (pika_get_pdb (),
|
|
"pika-layer-get-opacity",
|
|
args);
|
|
pika_value_array_unref (args);
|
|
|
|
if (PIKA_VALUES_GET_ENUM (return_vals, 0) == PIKA_PDB_SUCCESS)
|
|
opacity = PIKA_VALUES_GET_DOUBLE (return_vals, 1);
|
|
|
|
pika_value_array_unref (return_vals);
|
|
|
|
return opacity;
|
|
}
|
|
|
|
/**
|
|
* pika_layer_set_opacity:
|
|
* @layer: The layer.
|
|
* @opacity: The new layer opacity.
|
|
*
|
|
* Set the opacity of the specified layer.
|
|
*
|
|
* This procedure sets the specified layer's opacity.
|
|
*
|
|
* Returns: TRUE on success.
|
|
**/
|
|
gboolean
|
|
pika_layer_set_opacity (PikaLayer *layer,
|
|
gdouble opacity)
|
|
{
|
|
PikaValueArray *args;
|
|
PikaValueArray *return_vals;
|
|
gboolean success = TRUE;
|
|
|
|
args = pika_value_array_new_from_types (NULL,
|
|
PIKA_TYPE_LAYER, layer,
|
|
G_TYPE_DOUBLE, opacity,
|
|
G_TYPE_NONE);
|
|
|
|
return_vals = pika_pdb_run_procedure_array (pika_get_pdb (),
|
|
"pika-layer-set-opacity",
|
|
args);
|
|
pika_value_array_unref (args);
|
|
|
|
success = PIKA_VALUES_GET_ENUM (return_vals, 0) == PIKA_PDB_SUCCESS;
|
|
|
|
pika_value_array_unref (return_vals);
|
|
|
|
return success;
|
|
}
|
|
|
|
/**
|
|
* pika_layer_get_mode:
|
|
* @layer: The layer.
|
|
*
|
|
* Get the combination mode of the specified layer.
|
|
*
|
|
* This procedure returns the specified layer's combination mode.
|
|
*
|
|
* Returns: The layer combination mode.
|
|
**/
|
|
PikaLayerMode
|
|
pika_layer_get_mode (PikaLayer *layer)
|
|
{
|
|
PikaValueArray *args;
|
|
PikaValueArray *return_vals;
|
|
PikaLayerMode mode = 0;
|
|
|
|
args = pika_value_array_new_from_types (NULL,
|
|
PIKA_TYPE_LAYER, layer,
|
|
G_TYPE_NONE);
|
|
|
|
return_vals = pika_pdb_run_procedure_array (pika_get_pdb (),
|
|
"pika-layer-get-mode",
|
|
args);
|
|
pika_value_array_unref (args);
|
|
|
|
if (PIKA_VALUES_GET_ENUM (return_vals, 0) == PIKA_PDB_SUCCESS)
|
|
mode = PIKA_VALUES_GET_ENUM (return_vals, 1);
|
|
|
|
pika_value_array_unref (return_vals);
|
|
|
|
return mode;
|
|
}
|
|
|
|
/**
|
|
* pika_layer_set_mode:
|
|
* @layer: The layer.
|
|
* @mode: The new layer combination mode.
|
|
*
|
|
* Set the combination mode of the specified layer.
|
|
*
|
|
* This procedure sets the specified layer's combination mode.
|
|
*
|
|
* Returns: TRUE on success.
|
|
**/
|
|
gboolean
|
|
pika_layer_set_mode (PikaLayer *layer,
|
|
PikaLayerMode mode)
|
|
{
|
|
PikaValueArray *args;
|
|
PikaValueArray *return_vals;
|
|
gboolean success = TRUE;
|
|
|
|
args = pika_value_array_new_from_types (NULL,
|
|
PIKA_TYPE_LAYER, layer,
|
|
PIKA_TYPE_LAYER_MODE, mode,
|
|
G_TYPE_NONE);
|
|
|
|
return_vals = pika_pdb_run_procedure_array (pika_get_pdb (),
|
|
"pika-layer-set-mode",
|
|
args);
|
|
pika_value_array_unref (args);
|
|
|
|
success = PIKA_VALUES_GET_ENUM (return_vals, 0) == PIKA_PDB_SUCCESS;
|
|
|
|
pika_value_array_unref (return_vals);
|
|
|
|
return success;
|
|
}
|
|
|
|
/**
|
|
* pika_layer_get_blend_space:
|
|
* @layer: The layer.
|
|
*
|
|
* Get the blend space of the specified layer.
|
|
*
|
|
* This procedure returns the specified layer's blend space.
|
|
*
|
|
* Returns: The layer blend space.
|
|
*
|
|
* Since: 2.10
|
|
**/
|
|
PikaLayerColorSpace
|
|
pika_layer_get_blend_space (PikaLayer *layer)
|
|
{
|
|
PikaValueArray *args;
|
|
PikaValueArray *return_vals;
|
|
PikaLayerColorSpace blend_space = 0;
|
|
|
|
args = pika_value_array_new_from_types (NULL,
|
|
PIKA_TYPE_LAYER, layer,
|
|
G_TYPE_NONE);
|
|
|
|
return_vals = pika_pdb_run_procedure_array (pika_get_pdb (),
|
|
"pika-layer-get-blend-space",
|
|
args);
|
|
pika_value_array_unref (args);
|
|
|
|
if (PIKA_VALUES_GET_ENUM (return_vals, 0) == PIKA_PDB_SUCCESS)
|
|
blend_space = PIKA_VALUES_GET_ENUM (return_vals, 1);
|
|
|
|
pika_value_array_unref (return_vals);
|
|
|
|
return blend_space;
|
|
}
|
|
|
|
/**
|
|
* pika_layer_set_blend_space:
|
|
* @layer: The layer.
|
|
* @blend_space: The new layer blend space.
|
|
*
|
|
* Set the blend space of the specified layer.
|
|
*
|
|
* This procedure sets the specified layer's blend space.
|
|
*
|
|
* Returns: TRUE on success.
|
|
*
|
|
* Since: 2.10
|
|
**/
|
|
gboolean
|
|
pika_layer_set_blend_space (PikaLayer *layer,
|
|
PikaLayerColorSpace blend_space)
|
|
{
|
|
PikaValueArray *args;
|
|
PikaValueArray *return_vals;
|
|
gboolean success = TRUE;
|
|
|
|
args = pika_value_array_new_from_types (NULL,
|
|
PIKA_TYPE_LAYER, layer,
|
|
PIKA_TYPE_LAYER_COLOR_SPACE, blend_space,
|
|
G_TYPE_NONE);
|
|
|
|
return_vals = pika_pdb_run_procedure_array (pika_get_pdb (),
|
|
"pika-layer-set-blend-space",
|
|
args);
|
|
pika_value_array_unref (args);
|
|
|
|
success = PIKA_VALUES_GET_ENUM (return_vals, 0) == PIKA_PDB_SUCCESS;
|
|
|
|
pika_value_array_unref (return_vals);
|
|
|
|
return success;
|
|
}
|
|
|
|
/**
|
|
* pika_layer_get_composite_space:
|
|
* @layer: The layer.
|
|
*
|
|
* Get the composite space of the specified layer.
|
|
*
|
|
* This procedure returns the specified layer's composite space.
|
|
*
|
|
* Returns: The layer composite space.
|
|
*
|
|
* Since: 2.10
|
|
**/
|
|
PikaLayerColorSpace
|
|
pika_layer_get_composite_space (PikaLayer *layer)
|
|
{
|
|
PikaValueArray *args;
|
|
PikaValueArray *return_vals;
|
|
PikaLayerColorSpace composite_space = 0;
|
|
|
|
args = pika_value_array_new_from_types (NULL,
|
|
PIKA_TYPE_LAYER, layer,
|
|
G_TYPE_NONE);
|
|
|
|
return_vals = pika_pdb_run_procedure_array (pika_get_pdb (),
|
|
"pika-layer-get-composite-space",
|
|
args);
|
|
pika_value_array_unref (args);
|
|
|
|
if (PIKA_VALUES_GET_ENUM (return_vals, 0) == PIKA_PDB_SUCCESS)
|
|
composite_space = PIKA_VALUES_GET_ENUM (return_vals, 1);
|
|
|
|
pika_value_array_unref (return_vals);
|
|
|
|
return composite_space;
|
|
}
|
|
|
|
/**
|
|
* pika_layer_set_composite_space:
|
|
* @layer: The layer.
|
|
* @composite_space: The new layer composite space.
|
|
*
|
|
* Set the composite space of the specified layer.
|
|
*
|
|
* This procedure sets the specified layer's composite space.
|
|
*
|
|
* Returns: TRUE on success.
|
|
*
|
|
* Since: 2.10
|
|
**/
|
|
gboolean
|
|
pika_layer_set_composite_space (PikaLayer *layer,
|
|
PikaLayerColorSpace composite_space)
|
|
{
|
|
PikaValueArray *args;
|
|
PikaValueArray *return_vals;
|
|
gboolean success = TRUE;
|
|
|
|
args = pika_value_array_new_from_types (NULL,
|
|
PIKA_TYPE_LAYER, layer,
|
|
PIKA_TYPE_LAYER_COLOR_SPACE, composite_space,
|
|
G_TYPE_NONE);
|
|
|
|
return_vals = pika_pdb_run_procedure_array (pika_get_pdb (),
|
|
"pika-layer-set-composite-space",
|
|
args);
|
|
pika_value_array_unref (args);
|
|
|
|
success = PIKA_VALUES_GET_ENUM (return_vals, 0) == PIKA_PDB_SUCCESS;
|
|
|
|
pika_value_array_unref (return_vals);
|
|
|
|
return success;
|
|
}
|
|
|
|
/**
|
|
* pika_layer_get_composite_mode:
|
|
* @layer: The layer.
|
|
*
|
|
* Get the composite mode of the specified layer.
|
|
*
|
|
* This procedure returns the specified layer's composite mode.
|
|
*
|
|
* Returns: The layer composite mode.
|
|
*
|
|
* Since: 2.10
|
|
**/
|
|
PikaLayerCompositeMode
|
|
pika_layer_get_composite_mode (PikaLayer *layer)
|
|
{
|
|
PikaValueArray *args;
|
|
PikaValueArray *return_vals;
|
|
PikaLayerCompositeMode composite_mode = 0;
|
|
|
|
args = pika_value_array_new_from_types (NULL,
|
|
PIKA_TYPE_LAYER, layer,
|
|
G_TYPE_NONE);
|
|
|
|
return_vals = pika_pdb_run_procedure_array (pika_get_pdb (),
|
|
"pika-layer-get-composite-mode",
|
|
args);
|
|
pika_value_array_unref (args);
|
|
|
|
if (PIKA_VALUES_GET_ENUM (return_vals, 0) == PIKA_PDB_SUCCESS)
|
|
composite_mode = PIKA_VALUES_GET_ENUM (return_vals, 1);
|
|
|
|
pika_value_array_unref (return_vals);
|
|
|
|
return composite_mode;
|
|
}
|
|
|
|
/**
|
|
* pika_layer_set_composite_mode:
|
|
* @layer: The layer.
|
|
* @composite_mode: The new layer composite mode.
|
|
*
|
|
* Set the composite mode of the specified layer.
|
|
*
|
|
* This procedure sets the specified layer's composite mode.
|
|
*
|
|
* Returns: TRUE on success.
|
|
*
|
|
* Since: 2.10
|
|
**/
|
|
gboolean
|
|
pika_layer_set_composite_mode (PikaLayer *layer,
|
|
PikaLayerCompositeMode composite_mode)
|
|
{
|
|
PikaValueArray *args;
|
|
PikaValueArray *return_vals;
|
|
gboolean success = TRUE;
|
|
|
|
args = pika_value_array_new_from_types (NULL,
|
|
PIKA_TYPE_LAYER, layer,
|
|
PIKA_TYPE_LAYER_COMPOSITE_MODE, composite_mode,
|
|
G_TYPE_NONE);
|
|
|
|
return_vals = pika_pdb_run_procedure_array (pika_get_pdb (),
|
|
"pika-layer-set-composite-mode",
|
|
args);
|
|
pika_value_array_unref (args);
|
|
|
|
success = PIKA_VALUES_GET_ENUM (return_vals, 0) == PIKA_PDB_SUCCESS;
|
|
|
|
pika_value_array_unref (return_vals);
|
|
|
|
return success;
|
|
}
|
