gimp/app/core/gimpbrushgenerated-save.c

142 lines
4.5 KiB
C

/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimp_brush_generated module Copyright 1998 Jay Cox <jaycox@earthlink.net>
*
* 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 <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <gdk-pixbuf/gdk-pixbuf.h>
#include <gegl.h>
#include "libgimpbase/gimpbase.h"
#include "core-types.h"
#include "gimpbrushgenerated.h"
#include "gimpbrushgenerated-save.h"
#include "gimp-intl.h"
gboolean
gimp_brush_generated_save (GimpData *data,
GError **error)
{
GimpBrushGenerated *brush = GIMP_BRUSH_GENERATED (data);
const gchar *name = gimp_object_get_name (data);
GOutputStream *output;
GString *string;
gchar buf[G_ASCII_DTOSTR_BUF_SIZE];
gsize bytes_written;
gboolean have_shape = FALSE;
GError *my_error = NULL;
g_return_val_if_fail (name != NULL && *name != '\0', FALSE);
output = G_OUTPUT_STREAM (g_file_replace (gimp_data_get_file (data),
NULL, FALSE, G_FILE_CREATE_NONE,
NULL, error));
if (! output)
{
g_set_error (error, GIMP_DATA_ERROR, GIMP_DATA_ERROR_OPEN,
_("Could not open '%s' for writing: %s"),
gimp_file_get_utf8_name (gimp_data_get_file (data)),
my_error->message);
g_clear_error (&my_error);
return FALSE;
}
/* write magic header */
string = g_string_new ("GIMP-VBR\n");
/* write version */
if (brush->shape != GIMP_BRUSH_GENERATED_CIRCLE || brush->spikes > 2)
{
g_string_append (string, "1.5\n");
have_shape = TRUE;
}
else
{
g_string_append (string, "1.0\n");
}
/* write name */
g_string_append_printf (string, "%.255s\n", name);
if (have_shape)
{
GEnumClass *enum_class;
GEnumValue *shape_val;
enum_class = g_type_class_peek (GIMP_TYPE_BRUSH_GENERATED_SHAPE);
/* write shape */
shape_val = g_enum_get_value (enum_class, brush->shape);
g_string_append_printf (string, "%s\n", shape_val->value_nick);
}
/* write brush spacing */
g_string_append_printf (string, "%s\n",
g_ascii_formatd (buf, G_ASCII_DTOSTR_BUF_SIZE, "%f",
gimp_brush_get_spacing (GIMP_BRUSH (brush))));
/* write brush radius */
g_string_append_printf (string, "%s\n",
g_ascii_formatd (buf, G_ASCII_DTOSTR_BUF_SIZE, "%f",
brush->radius));
if (have_shape)
{
/* write brush spikes */
g_string_append_printf (string, "%d\n", brush->spikes);
}
/* write brush hardness */
g_string_append_printf (string, "%s\n",
g_ascii_formatd (buf, G_ASCII_DTOSTR_BUF_SIZE, "%f",
brush->hardness));
/* write brush aspect_ratio */
g_string_append_printf (string, "%s\n",
g_ascii_formatd (buf, G_ASCII_DTOSTR_BUF_SIZE, "%f",
brush->aspect_ratio));
/* write brush angle */
g_string_append_printf (string, "%s\n",
g_ascii_formatd (buf, G_ASCII_DTOSTR_BUF_SIZE, "%f",
brush->angle));
if (! g_output_stream_write_all (output, string->str, string->len,
&bytes_written, NULL, &my_error) ||
bytes_written != string->len)
{
g_set_error (error, GIMP_DATA_ERROR, GIMP_DATA_ERROR_WRITE,
_("Writing brush file '%s' failed: %s"),
gimp_file_get_utf8_name (gimp_data_get_file (data)),
my_error->message);
g_clear_error (&my_error);
g_string_free (string, TRUE);
g_object_unref (output);
return FALSE;
}
g_string_free (string, TRUE);
g_object_unref (output);
return TRUE;
}