92 lines
3.1 KiB
C
92 lines
3.1 KiB
C
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/* PIKA - Photo and Image Kooker Application
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* a rebranding of The GNU Image Manipulation Program (created with heckimp)
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* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
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*
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* Original copyright, applying to most contents (license remains unchanged):
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <gdk-pixbuf/gdk-pixbuf.h>
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#include "core-types.h"
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#include "pikapattern.h"
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#include "pikapattern-header.h"
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#include "pikapattern-save.h"
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#include "pikatempbuf.h"
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#include "pika-intl.h"
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gboolean
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pika_pattern_save (PikaData *data,
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GOutputStream *output,
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GError **error)
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{
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PikaPattern *pattern = PIKA_PATTERN (data);
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PikaTempBuf *mask = pika_pattern_get_mask (pattern);
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const Babl *format = pika_temp_buf_get_format (mask);
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PikaPatternHeader header;
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const gchar *name;
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gint width;
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gint height;
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name = pika_object_get_name (pattern);
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width = pika_temp_buf_get_width (mask);
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height = pika_temp_buf_get_height (mask);
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if (width > PIKA_PATTERN_MAX_SIZE || height > PIKA_PATTERN_MAX_SIZE)
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{
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g_set_error (error, PIKA_DATA_ERROR, PIKA_DATA_ERROR_READ,
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_("Unsupported pattern dimensions %d x %d.\n"
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"PIKA Patterns have a maximum size of %d x %d."),
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width, height,
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PIKA_PATTERN_MAX_SIZE, PIKA_PATTERN_MAX_SIZE);
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return FALSE;
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}
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header.header_size = g_htonl (sizeof (PikaPatternHeader) +
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strlen (name) + 1);
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header.version = g_htonl (1);
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header.width = g_htonl (width);
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header.height = g_htonl (height);
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header.bytes = g_htonl (babl_format_get_bytes_per_pixel (format));
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header.magic_number = g_htonl (PIKA_PATTERN_MAGIC);
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if (! g_output_stream_write_all (output, &header, sizeof (header),
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NULL, NULL, error))
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{
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return FALSE;
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}
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if (! g_output_stream_write_all (output, name, strlen (name) + 1,
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NULL, NULL, error))
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{
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return FALSE;
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}
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if (! g_output_stream_write_all (output,
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pika_temp_buf_get_data (mask),
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pika_temp_buf_get_data_size (mask),
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NULL, NULL, error))
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{
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return FALSE;
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}
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return TRUE;
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}
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