static GimpData *
gimp_brush_generated_duplicate (GimpData *data)
{
GimpBrushGenerated *brush = GIMP_BRUSH_GENERATED (data);
return gimp_brush_generated_new (GIMP_OBJECT (brush)->name,
brush->shape,
brush->radius,
brush->spikes,
brush->hardness,
brush->aspect_ratio,
brush->angle);
}
GList *
gimp_brush_generated_load (GimpContext *context,
GFile *file,
GInputStream *input,
GError **error)
{
GimpBrush *brush;
GDataInputStream *data_input;
gchar *string;
gsize string_len;
gint linenum;
gchar *name = NULL;
GimpBrushGeneratedShape shape = GIMP_BRUSH_GENERATED_CIRCLE;
gboolean have_shape = FALSE;
gint spikes = 2;
gdouble spacing;
gdouble radius;
gdouble hardness;
gdouble aspect_ratio;
gdouble angle;
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);
data_input = g_data_input_stream_new (input);
/* make sure the file we are reading is the right type */
linenum = 1;
string_len = 256;
string = g_data_input_stream_read_line (data_input, &string_len,
NULL, error);
if (! string)
goto failed;
if (! g_str_has_prefix (string, "GIMP-VBR"))
{
g_set_error (error, GIMP_DATA_ERROR, GIMP_DATA_ERROR_READ,
_("Not a GIMP brush file."));
g_free (string);
goto failed;
}
g_free (string);
/* make sure we are reading a compatible version */
linenum++;
string_len = 256;
string = g_data_input_stream_read_line (data_input, &string_len,
NULL, error);
if (! string)
goto failed;
if (! g_str_has_prefix (string, "1.0"))
{
if (! g_str_has_prefix (string, "1.5"))
{
g_set_error (error, GIMP_DATA_ERROR, GIMP_DATA_ERROR_READ,
_("Unknown GIMP brush version."));
g_free (string);
goto failed;
}
else
{
have_shape = TRUE;
}
}
g_free (string);
/* read name */
linenum++;
string_len = 256;
string = g_data_input_stream_read_line (data_input, &string_len,
NULL, error);
if (! string)
goto failed;
g_strstrip (string);
/* the empty string is not an allowed name */
if (strlen (string) < 1)
{
name = g_strdup (_("Untitled"));
}
else
{
name = gimp_any_to_utf8 (string, -1,
_("Invalid UTF-8 string in brush file '%s'."),
gimp_file_get_utf8_name (file));
}
g_free (string);
if (have_shape)
{
GEnumClass *enum_class;
GEnumValue *shape_val;
enum_class = g_type_class_peek (GIMP_TYPE_BRUSH_GENERATED_SHAPE);
/* read shape */
linenum++;
string_len = 256;
string = g_data_input_stream_read_line (data_input, &string_len,
NULL, error);
if (! string)
goto failed;
g_strstrip (string);
shape_val = g_enum_get_value_by_nick (enum_class, string);
if (! shape_val)
{
g_set_error (error, GIMP_DATA_ERROR, GIMP_DATA_ERROR_READ,
_("Unknown GIMP brush shape."));
g_free (string);
goto failed;
}
g_free (string);
shape = shape_val->value;
}
/* read brush spacing */
linenum++;
string_len = 256;
string = g_data_input_stream_read_line (data_input, &string_len,
NULL, error);
if (! string)
goto failed;
spacing = g_ascii_strtod (string, NULL);
g_free (string);
/* read brush radius */
linenum++;
string_len = 256;
string = g_data_input_stream_read_line (data_input, &string_len,
NULL, error);
if (! string)
goto failed;
radius = g_ascii_strtod (string, NULL);
g_free (string);
if (have_shape)
{
/* read number of spikes */
linenum++;
string_len = 256;
string = g_data_input_stream_read_line (data_input, &string_len,
NULL, error);
if (! string)
goto failed;
spikes = CLAMP (atoi (string), 2, 20);
g_free (string);
}
/* read brush hardness */
linenum++;
string_len = 256;
string = g_data_input_stream_read_line (data_input, &string_len,
NULL, error);
if (! string)
goto failed;
hardness = g_ascii_strtod (string, NULL);
g_free (string);
/* read brush aspect_ratio */
linenum++;
string_len = 256;
string = g_data_input_stream_read_line (data_input, &string_len,
NULL, error);
if (! string)
goto failed;
aspect_ratio = g_ascii_strtod (string, NULL);
g_free (string);
/* read brush angle */
linenum++;
string_len = 256;
string = g_data_input_stream_read_line (data_input, &string_len,
NULL, error);
if (! string)
goto failed;
angle = g_ascii_strtod (string, NULL);
g_free (string);
g_object_unref (data_input);
brush = GIMP_BRUSH (gimp_brush_generated_new (name, shape, radius, spikes,
hardness, aspect_ratio, angle));
g_free (name);
gimp_brush_set_spacing (brush, spacing);
return g_list_prepend (NULL, brush);
failed:
g_object_unref (data_input);
if (name)
g_free (name);
g_prefix_error (error, _("In line %d of brush file: "), linenum);
return NULL;
}
GList *
gimp_brush_generated_load (GimpContext *context,
const gchar *filename,
GError **error)
{
GimpBrush *brush;
FILE *file;
gchar string[256];
gint linenum;
gchar *name = NULL;
GimpBrushGeneratedShape shape = GIMP_BRUSH_GENERATED_CIRCLE;
gboolean have_shape = FALSE;
gint spikes = 2;
gdouble spacing;
gdouble radius;
gdouble hardness;
gdouble aspect_ratio;
gdouble angle;
g_return_val_if_fail (filename != NULL, NULL);
g_return_val_if_fail (g_path_is_absolute (filename), NULL);
g_return_val_if_fail (error == NULL || *error == NULL, NULL);
file = g_fopen (filename, "rb");
if (! file)
{
g_set_error (error, GIMP_DATA_ERROR, GIMP_DATA_ERROR_OPEN,
_("Could not open '%s' for reading: %s"),
gimp_filename_to_utf8 (filename), g_strerror (errno));
return NULL;
}
/* make sure the file we are reading is the right type */
errno = 0;
linenum = 1;
if (! fgets (string, sizeof (string), file))
goto failed;
if (! g_str_has_prefix (string, "GIMP-VBR"))
{
g_set_error (error, GIMP_DATA_ERROR, GIMP_DATA_ERROR_READ,
_("Fatal parse error in brush file '%s': "
"Not a GIMP brush file."),
gimp_filename_to_utf8 (filename));
goto failed;
}
/* make sure we are reading a compatible version */
errno = 0;
linenum++;
if (! fgets (string, sizeof (string), file))
goto failed;
if (! g_str_has_prefix (string, "1.0"))
{
if (! g_str_has_prefix (string, "1.5"))
{
g_set_error (error, GIMP_DATA_ERROR, GIMP_DATA_ERROR_READ,
_("Fatal parse error in brush file '%s': "
"Unknown GIMP brush version in line %d."),
gimp_filename_to_utf8 (filename), linenum);
goto failed;
}
else
{
have_shape = TRUE;
}
}
/* read name */
errno = 0;
linenum++;
if (! fgets (string, sizeof (string), file))
goto failed;
g_strstrip (string);
/* the empty string is not an allowed name */
if (strlen (string) < 1)
g_strlcpy (string, _("Untitled"), sizeof (string));
name = gimp_any_to_utf8 (string, -1,
_("Invalid UTF-8 string in brush file '%s'."),
gimp_filename_to_utf8 (filename));
if (have_shape)
{
GEnumClass *enum_class;
GEnumValue *shape_val;
enum_class = g_type_class_peek (GIMP_TYPE_BRUSH_GENERATED_SHAPE);
/* read shape */
errno = 0;
linenum++;
if (! fgets (string, sizeof (string), file))
goto failed;
g_strstrip (string);
shape_val = g_enum_get_value_by_nick (enum_class, string);
if (! shape_val)
{
g_set_error (error, GIMP_DATA_ERROR, GIMP_DATA_ERROR_READ,
_("Fatal parse error in brush file '%s': "
"Unknown GIMP brush shape in line %d."),
gimp_filename_to_utf8 (filename), linenum);
goto failed;
}
shape = shape_val->value;
}
/* read brush spacing */
errno = 0;
linenum++;
if (! fgets (string, sizeof (string), file))
goto failed;
spacing = g_ascii_strtod (string, NULL);
/* read brush radius */
errno = 0;
linenum++;
if (! fgets (string, sizeof (string), file))
goto failed;
radius = g_ascii_strtod (string, NULL);
if (have_shape)
{
/* read number of spikes */
errno = 0;
linenum++;
if (! fgets (string, sizeof (string), file))
goto failed;
spikes = CLAMP (atoi (string), 2, 20);
}
/* read brush hardness */
errno = 0;
linenum++;
if (! fgets (string, sizeof (string), file))
goto failed;
hardness = g_ascii_strtod (string, NULL);
/* read brush aspect_ratio */
errno = 0;
linenum++;
if (! fgets (string, sizeof (string), file))
goto failed;
aspect_ratio = g_ascii_strtod (string, NULL);
/* read brush angle */
errno = 0;
linenum++;
if (! fgets (string, sizeof (string), file))
goto failed;
angle = g_ascii_strtod (string, NULL);
fclose (file);
brush = GIMP_BRUSH (gimp_brush_generated_new (name, shape, radius, spikes,
hardness, aspect_ratio, angle));
g_free (name);
brush->spacing = spacing;
return g_list_prepend (NULL, brush);
failed:
fclose (file);
if (name)
g_free (name);
if (error && *error == NULL)
{
gchar *msg;
if (errno)
msg = g_strdup_printf (_("Line %d: %s"), linenum, g_strerror (errno));
else
msg = g_strdup_printf (_("File is truncated in line %d"), linenum);
g_set_error (error, GIMP_DATA_ERROR, GIMP_DATA_ERROR_READ,
_("Error while reading brush file '%s': %s"),
gimp_filename_to_utf8 (filename), msg);
g_free (msg);
}
return NULL;
}
