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/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <gdk-pixbuf/gdk-pixbuf.h>
#include "core-types.h"
#include "gimppattern.h"
#include "gimppattern-header.h"
#include "gimppattern-save.h"
#include "gimptempbuf.h"
#include "gimp-intl.h"
gboolean
gimp_pattern_save (GimpData *data,
GOutputStream *output,
GError **error)
{
GimpPattern *pattern = GIMP_PATTERN (data);
GimpTempBuf *mask = gimp_pattern_get_mask (pattern);
const Babl *format = gimp_temp_buf_get_format (mask);
GimpPatternHeader header;
const gchar *name;
gint width;
gint height;
name = gimp_object_get_name (pattern);
width = gimp_temp_buf_get_width (mask);
height = gimp_temp_buf_get_height (mask);
if (width > GIMP_PATTERN_MAX_SIZE || height > GIMP_PATTERN_MAX_SIZE)
{
g_set_error (error, GIMP_DATA_ERROR, GIMP_DATA_ERROR_READ,
_("Unsupported pattern dimensions %d x %d.\n"
"GIMP Patterns have a maximum size of %d x %d."),
width, height,
GIMP_PATTERN_MAX_SIZE, GIMP_PATTERN_MAX_SIZE);
return FALSE;
}
header.header_size = g_htonl (sizeof (GimpPatternHeader) +
strlen (name) + 1);
header.version = g_htonl (1);
header.width = g_htonl (width);
header.height = g_htonl (height);
header.bytes = g_htonl (babl_format_get_bytes_per_pixel (format));
header.magic_number = g_htonl (GIMP_PATTERN_MAGIC);
if (! g_output_stream_write_all (output, &header, sizeof (header),
NULL, NULL, error))
{
return FALSE;
}
if (! g_output_stream_write_all (output, name, strlen (name) + 1,
NULL, NULL, error))
{
return FALSE;
}
if (! g_output_stream_write_all (output,
gimp_temp_buf_get_data (mask),
gimp_temp_buf_get_data_size (mask),
NULL, NULL, error))
{
return FALSE;
}
return TRUE;
}
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