mirror of https://github.com/GNOME/gimp.git
154 lines
3.9 KiB
C
154 lines
3.9 KiB
C
/* GIMP - The GNU Image Manipulation Program
|
|
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
|
|
*
|
|
* gimp-gegl-utils.h
|
|
* Copyright (C) 2007 Michael Natterer <mitch@gimp.org>
|
|
*
|
|
* 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 <string.h>
|
|
|
|
#include <gegl.h>
|
|
#include <gegl-plugin.h>
|
|
|
|
#include "gimp-gegl-types.h"
|
|
|
|
#include "core/gimpprogress.h"
|
|
|
|
#include "gimp-gegl-utils.h"
|
|
|
|
|
|
GType
|
|
gimp_gegl_get_op_enum_type (const gchar *operation,
|
|
const gchar *property)
|
|
{
|
|
GeglNode *node;
|
|
GObject *op;
|
|
GParamSpec *pspec;
|
|
|
|
g_return_val_if_fail (operation != NULL, G_TYPE_NONE);
|
|
g_return_val_if_fail (property != NULL, G_TYPE_NONE);
|
|
|
|
node = g_object_new (GEGL_TYPE_NODE,
|
|
"operation", operation,
|
|
NULL);
|
|
g_object_get (node, "gegl-operation", &op, NULL);
|
|
g_object_unref (node);
|
|
|
|
g_return_val_if_fail (op != NULL, G_TYPE_NONE);
|
|
|
|
pspec = g_object_class_find_property (G_OBJECT_GET_CLASS (op), property);
|
|
|
|
g_return_val_if_fail (G_IS_PARAM_SPEC_ENUM (pspec), G_TYPE_NONE);
|
|
|
|
g_object_unref (op);
|
|
|
|
return G_TYPE_FROM_CLASS (G_PARAM_SPEC_ENUM (pspec)->enum_class);
|
|
}
|
|
|
|
GeglColor *
|
|
gimp_gegl_color_new (const GimpRGB *rgb)
|
|
{
|
|
GeglColor *color;
|
|
|
|
g_return_val_if_fail (rgb != NULL, NULL);
|
|
|
|
color = gegl_color_new (NULL);
|
|
gegl_color_set_pixel (color, babl_format ("R'G'B'A double"), rgb);
|
|
|
|
return color;
|
|
}
|
|
|
|
static void
|
|
gimp_gegl_progress_callback (GObject *object,
|
|
gdouble value,
|
|
GimpProgress *progress)
|
|
{
|
|
if (value == 0.0)
|
|
{
|
|
const gchar *text = g_object_get_data (object, "gimp-progress-text");
|
|
|
|
if (gimp_progress_is_active (progress))
|
|
gimp_progress_set_text (progress, "%s", text);
|
|
else
|
|
gimp_progress_start (progress, FALSE, "%s", text);
|
|
}
|
|
else
|
|
{
|
|
gimp_progress_set_value (progress, value);
|
|
|
|
if (value == 1.0)
|
|
gimp_progress_end (progress);
|
|
}
|
|
}
|
|
|
|
void
|
|
gimp_gegl_progress_connect (GeglNode *node,
|
|
GimpProgress *progress,
|
|
const gchar *text)
|
|
{
|
|
g_return_if_fail (GEGL_IS_NODE (node));
|
|
g_return_if_fail (GIMP_IS_PROGRESS (progress));
|
|
g_return_if_fail (text != NULL);
|
|
|
|
g_signal_connect (node, "progress",
|
|
G_CALLBACK (gimp_gegl_progress_callback),
|
|
progress);
|
|
|
|
g_object_set_data_full (G_OBJECT (node),
|
|
"gimp-progress-text", g_strdup (text),
|
|
(GDestroyNotify) g_free);
|
|
}
|
|
|
|
const Babl *
|
|
gimp_gegl_node_get_format (GeglNode *node,
|
|
const gchar *pad_name)
|
|
{
|
|
GeglOperation *op;
|
|
const Babl *format = NULL;
|
|
|
|
g_return_val_if_fail (GEGL_IS_NODE (node), NULL);
|
|
g_return_val_if_fail (pad_name != NULL, NULL);
|
|
|
|
g_object_get (node, "gegl-operation", &op, NULL);
|
|
|
|
if (op)
|
|
{
|
|
format = gegl_operation_get_format (op, pad_name);
|
|
|
|
g_object_unref (op);
|
|
}
|
|
|
|
if (! format)
|
|
format = babl_format ("RGBA float");
|
|
|
|
return format;
|
|
}
|
|
|
|
gboolean
|
|
gimp_gegl_param_spec_has_key (GParamSpec *pspec,
|
|
const gchar *key,
|
|
const gchar *value)
|
|
{
|
|
const gchar *v = gegl_param_spec_get_property_key (pspec, key);
|
|
|
|
if (v && ! strcmp (v, value))
|
|
return TRUE;
|
|
|
|
return FALSE;
|
|
}
|