264 lines
8.3 KiB
C
264 lines
8.3 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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* pikafile_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: pikafile
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* @title: pikafile
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* @short_description: Image file operations (load, save, etc.)
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*
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* Image file operations (load, save, etc.)
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**/
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/**
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* pika_file_load:
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* @run_mode: The run mode.
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* @file: The file to load.
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*
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* Loads an image file by invoking the right load handler.
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*
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* This procedure invokes the correct file load handler using magic if
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* possible, and falling back on the file's extension and/or prefix if
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* not.
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*
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* Returns: (transfer none): The output image.
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**/
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PikaImage *
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pika_file_load (PikaRunMode run_mode,
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GFile *file)
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{
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PikaValueArray *args;
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PikaValueArray *return_vals;
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PikaImage *image = NULL;
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args = pika_value_array_new_from_types (NULL,
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PIKA_TYPE_RUN_MODE, run_mode,
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G_TYPE_FILE, file,
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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-file-load",
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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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image = PIKA_VALUES_GET_IMAGE (return_vals, 1);
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pika_value_array_unref (return_vals);
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return image;
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}
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/**
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* pika_file_load_layer:
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* @run_mode: The run mode.
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* @image: Destination image.
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* @file: The file to load.
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*
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* Loads an image file as a layer for an existing image.
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*
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* This procedure behaves like the file-load procedure but opens the
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* specified image as a layer for an existing image. The returned layer
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* needs to be added to the existing image with
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* pika_image_insert_layer().
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*
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* Returns: (transfer none): The layer created when loading the image file.
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*
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* Since: 2.4
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**/
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PikaLayer *
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pika_file_load_layer (PikaRunMode run_mode,
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PikaImage *image,
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GFile *file)
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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_RUN_MODE, run_mode,
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PIKA_TYPE_IMAGE, image,
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G_TYPE_FILE, file,
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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-file-load-layer",
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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_file_load_layers:
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* @run_mode: The run mode.
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* @image: Destination image.
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* @file: The file to load.
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* @num_layers: (out): The number of loaded layers.
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*
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* Loads an image file as layers for an existing image.
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*
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* This procedure behaves like the file-load procedure but opens the
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* specified image as layers for an existing image. The returned layers
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* needs to be added to the existing image with
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* pika_image_insert_layer().
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*
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* Returns: (array length=num_layers) (element-type PikaLayer) (transfer container):
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* The list of loaded layers.
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* The returned value must be freed with g_free().
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*
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* Since: 2.4
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**/
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PikaLayer **
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pika_file_load_layers (PikaRunMode run_mode,
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PikaImage *image,
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GFile *file,
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gint *num_layers)
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{
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PikaValueArray *args;
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PikaValueArray *return_vals;
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PikaLayer **layers = NULL;
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args = pika_value_array_new_from_types (NULL,
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PIKA_TYPE_RUN_MODE, run_mode,
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PIKA_TYPE_IMAGE, image,
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G_TYPE_FILE, file,
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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-file-load-layers",
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args);
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pika_value_array_unref (args);
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*num_layers = 0;
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if (PIKA_VALUES_GET_ENUM (return_vals, 0) == PIKA_PDB_SUCCESS)
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{
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*num_layers = PIKA_VALUES_GET_INT (return_vals, 1);
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{ PikaObjectArray *a = g_value_get_boxed (pika_value_array_index (return_vals, 2)); if (a) layers = g_memdup2 (a->data, a->length * sizeof (gpointer)); };
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}
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pika_value_array_unref (return_vals);
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return layers;
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}
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/**
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* pika_file_save:
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* @run_mode: The run mode.
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* @image: Input image.
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* @num_drawables: The number of drawables to save.
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* @drawables: (array length=num_drawables) (element-type PikaItem): Drawables to save.
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* @file: The file to save the image in.
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*
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* Saves a file by extension.
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*
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* This procedure invokes the correct file save handler according to
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* the file's extension and/or prefix.
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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_file_save (PikaRunMode run_mode,
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PikaImage *image,
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gint num_drawables,
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const PikaItem **drawables,
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GFile *file)
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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_RUN_MODE, run_mode,
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PIKA_TYPE_IMAGE, image,
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G_TYPE_INT, num_drawables,
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PIKA_TYPE_OBJECT_ARRAY, NULL,
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G_TYPE_FILE, file,
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G_TYPE_NONE);
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pika_value_set_object_array (pika_value_array_index (args, 3), PIKA_TYPE_ITEM, (GObject **) drawables, num_drawables);
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return_vals = pika_pdb_run_procedure_array (pika_get_pdb (),
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"pika-file-save",
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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_file_save_thumbnail:
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* @image: The image.
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* @file: The file the thumbnail belongs to.
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*
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* Saves a thumbnail for the given image
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*
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* This procedure saves a thumbnail for the given image according to
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* the Free Desktop Thumbnail Managing Standard. The thumbnail is saved
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* so that it belongs to the given file. This means you have to save
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* the image under this name first, otherwise this procedure will fail.
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* This procedure may become useful if you want to explicitly save a
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* thumbnail with a file.
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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_file_save_thumbnail (PikaImage *image,
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GFile *file)
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{
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PikaValueArray *args;
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PikaValueArray *return_vals;
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gboolean success = TRUE;
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args = pika_value_array_new_from_types (NULL,
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PIKA_TYPE_IMAGE, image,
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G_TYPE_FILE, file,
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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-file-save-thumbnail",
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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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