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/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
* Copyright (C) 1999 Adrian Likins and Tor Lillqvist
*
* 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 <stdlib.h>
#include <gdk-pixbuf/gdk-pixbuf.h>
#include "libgimpbase/gimpbase.h"
#include "core-types.h"
#include "gimpbrush-load.h"
#include "gimpbrush-private.h"
#include "gimpbrushpipe.h"
#include "gimpbrushpipe-load.h"
#include "gimp-intl.h"
GList *
gimp_brush_pipe_load (GimpContext *context,
GFile *file,
GInputStream *input,
GError **error)
{
GimpBrushPipe *pipe = NULL;
gint n_brushes = 0;
GString *buffer;
gchar *paramstring;
gchar c;
gsize bytes_read;
g_return_val_if_fail (G_IS_FILE (file), NULL);
g_return_val_if_fail (G_IS_INPUT_STREAM (input), NULL);
g_return_val_if_fail (error == NULL || *error == NULL, NULL);
/* The file format starts with a painfully simple text header */
/* get the name */
buffer = g_string_new (NULL);
while (g_input_stream_read_all (input, &c, 1, &bytes_read, NULL, NULL) &&
bytes_read == 1 &&
c != '\n' &&
buffer->len < 1024)
{
g_string_append_c (buffer, c);
}
if (buffer->len > 0 && buffer->len < 1024)
{
gchar *utf8 =
gimp_any_to_utf8 (buffer->str, buffer->len,
_("Invalid UTF-8 string in brush file '%s'."),
gimp_file_get_utf8_name (file));
pipe = g_object_new (GIMP_TYPE_BRUSH_PIPE,
"name", utf8,
"mime-type", "image/x-gimp-gih",
NULL);
g_free (utf8);
}
g_string_free (buffer, TRUE);
if (! pipe)
{
g_set_error (error, GIMP_DATA_ERROR, GIMP_DATA_ERROR_READ,
_("Fatal parse error in brush file '%s': "
"File is corrupt."),
gimp_file_get_utf8_name (file));
return NULL;
}
/* get the number of brushes */
buffer = g_string_new (NULL);
while (g_input_stream_read_all (input, &c, 1, &bytes_read, NULL, NULL) &&
bytes_read == 1 &&
c != '\n' &&
buffer->len < 1024)
{
g_string_append_c (buffer, c);
}
if (buffer->len > 0 && buffer->len < 1024)
{
n_brushes = strtol (buffer->str, ¶mstring, 10);
}
if (n_brushes < 1)
{
g_set_error (error, GIMP_DATA_ERROR, GIMP_DATA_ERROR_READ,
_("Fatal parse error in brush file '%s': "
"File is corrupt."),
gimp_file_get_utf8_name (file));
g_object_unref (pipe);
g_string_free (buffer, TRUE);
return NULL;
}
while (*paramstring && g_ascii_isspace (*paramstring))
paramstring++;
pipe->brushes = g_new0 (GimpBrush *, n_brushes);
while (pipe->n_brushes < n_brushes)
{
pipe->brushes[pipe->n_brushes] = gimp_brush_load_brush (context,
file, input,
error);
if (! pipe->brushes[pipe->n_brushes])
{
g_object_unref (pipe);
g_string_free (buffer, TRUE);
return NULL;
}
pipe->n_brushes++;
}
if (! gimp_brush_pipe_set_params (pipe, paramstring))
{
g_set_error (error, GIMP_DATA_ERROR, GIMP_DATA_ERROR_READ,
_("Fatal parse error in brush file '%s': "
"Inconsistent parameters."),
gimp_file_get_utf8_name (file));
g_object_unref (pipe);
g_string_free (buffer, TRUE);
return NULL;
}
g_string_free (buffer, TRUE);
/* Current brush is the first one. */
pipe->current = pipe->brushes[0];
/* just to satisfy the code that relies on this crap */
GIMP_BRUSH (pipe)->priv->spacing = pipe->current->priv->spacing;
GIMP_BRUSH (pipe)->priv->x_axis = pipe->current->priv->x_axis;
GIMP_BRUSH (pipe)->priv->y_axis = pipe->current->priv->y_axis;
GIMP_BRUSH (pipe)->priv->mask = pipe->current->priv->mask;
GIMP_BRUSH (pipe)->priv->pixmap = pipe->current->priv->pixmap;
return g_list_prepend (NULL, pipe);
}
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