112 lines
3.3 KiB
C
112 lines
3.3 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 "pikabrush.h"
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#include "pikabrush-header.h"
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#include "pikabrush-save.h"
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#include "pikatempbuf.h"
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gboolean
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pika_brush_save (PikaData *data,
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GOutputStream *output,
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GError **error)
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{
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PikaBrush *brush = PIKA_BRUSH (data);
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PikaTempBuf *mask = pika_brush_get_mask (brush);
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PikaTempBuf *pixmap = pika_brush_get_pixmap (brush);
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PikaBrushHeader 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 (brush);
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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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header.header_size = g_htonl (sizeof (PikaBrushHeader) +
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strlen (name) + 1);
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header.version = g_htonl (2);
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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 (pixmap ? 4 : 1);
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header.magic_number = g_htonl (PIKA_BRUSH_MAGIC);
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header.spacing = g_htonl (pika_brush_get_spacing (brush));
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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 (pixmap)
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{
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gsize size = width * height * 4;
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guchar *data = g_malloc (size);
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guchar *p = pika_temp_buf_get_data (pixmap);
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guchar *m = pika_temp_buf_get_data (mask);
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guchar *d = data;
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gint i;
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for (i = 0; i < width * height; i++)
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{
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*d++ = *p++;
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*d++ = *p++;
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*d++ = *p++;
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*d++ = *m++;
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}
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if (! g_output_stream_write_all (output, data, size,
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NULL, NULL, error))
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{
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g_free (data);
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return FALSE;
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}
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g_free (data);
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}
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else
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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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}
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return TRUE;
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}
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