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