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gimp/libgimpwidgets/gimpcolordisplay.c

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/* LIBGIMP - The GIMP Library
* Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball
*
* gimpcolordisplay.c
* Copyright (C) 2002 Michael Natterer <mitch@gimp.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include "config.h"
#include <string.h>
#include <gtk/gtk.h>
#include "libgimpbase/gimpbase.h"
#include "libgimpcolor/gimpcolor.h"
#include "libgimpconfig/gimpconfig.h"
#include "gimpwidgetstypes.h"
#include "gimpcolordisplay.h"
enum
{
PROP_0,
PROP_ENABLED
};
enum
{
CHANGED,
LAST_SIGNAL
};
static void gimp_color_display_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec);
static void gimp_color_display_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec);
G_DEFINE_TYPE_WITH_CODE (GimpColorDisplay, gimp_color_display, G_TYPE_OBJECT,
G_IMPLEMENT_INTERFACE (GIMP_TYPE_CONFIG, NULL));
#define parent_class gimp_color_display_parent_class
static guint display_signals[LAST_SIGNAL] = { 0 };
static void
gimp_color_display_class_init (GimpColorDisplayClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->set_property = gimp_color_display_set_property;
object_class->get_property = gimp_color_display_get_property;
g_object_class_install_property (object_class, PROP_ENABLED,
g_param_spec_boolean ("enabled", NULL, NULL,
TRUE,
GIMP_PARAM_READWRITE |
G_PARAM_CONSTRUCT));
display_signals[CHANGED] =
g_signal_new ("changed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpColorDisplayClass, changed),
NULL, NULL,
g_cclosure_marshal_VOID__VOID,
G_TYPE_NONE, 0);
klass->name = "Unnamed";
klass->help_id = NULL;
klass->clone = NULL;
klass->convert = NULL;
klass->load_state = NULL;
klass->save_state = NULL;
klass->configure = NULL;
klass->configure_reset = NULL;
klass->changed = NULL;
}
static void
gimp_color_display_init (GimpColorDisplay *display)
{
}
static void
gimp_color_display_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
GimpColorDisplay *display = GIMP_COLOR_DISPLAY (object);
switch (property_id)
{
case PROP_ENABLED:
display->enabled = g_value_get_boolean (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
gimp_color_display_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
GimpColorDisplay *display = GIMP_COLOR_DISPLAY (object);
switch (property_id)
{
case PROP_ENABLED:
g_value_set_boolean (value, display->enabled);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
GimpColorDisplay *
gimp_color_display_new (GType display_type)
{
GimpColorDisplay *display;
g_return_val_if_fail (g_type_is_a (display_type, GIMP_TYPE_COLOR_DISPLAY),
NULL);
display = g_object_new (display_type, NULL);
return display;
}
GimpColorDisplay *
gimp_color_display_clone (GimpColorDisplay *display)
{
g_return_val_if_fail (GIMP_IS_COLOR_DISPLAY (display), NULL);
/* implementing the clone method is deprecated
*/
if (GIMP_COLOR_DISPLAY_GET_CLASS (display)->clone)
{
GimpColorDisplay *clone = NULL;
clone = GIMP_COLOR_DISPLAY_GET_CLASS (display)->clone (display);
if (clone)
clone->enabled = display->enabled;
return clone;
}
return GIMP_COLOR_DISPLAY (gimp_config_duplicate (GIMP_CONFIG (display)));
}
void
gimp_color_display_convert (GimpColorDisplay *display,
guchar *buf,
gint width,
gint height,
gint bpp,
gint bpl)
{
g_return_if_fail (GIMP_IS_COLOR_DISPLAY (display));
if (display->enabled && GIMP_COLOR_DISPLAY_GET_CLASS (display)->convert)
GIMP_COLOR_DISPLAY_GET_CLASS (display)->convert (display, buf,
width, height,
bpp, bpl);
}
void
gimp_color_display_load_state (GimpColorDisplay *display,
GimpParasite *state)
{
g_return_if_fail (GIMP_IS_COLOR_DISPLAY (display));
g_return_if_fail (state != NULL);
/* implementing the load_state method is deprecated
*/
if (GIMP_COLOR_DISPLAY_GET_CLASS (display)->load_state)
{
GIMP_COLOR_DISPLAY_GET_CLASS (display)->load_state (display, state);
}
else
{
gimp_config_deserialize_string (GIMP_CONFIG (display),
gimp_parasite_data (state),
gimp_parasite_data_size (state),
NULL, NULL);
}
}
GimpParasite *
gimp_color_display_save_state (GimpColorDisplay *display)
{
GimpParasite *parasite;
gchar *str;
g_return_val_if_fail (GIMP_IS_COLOR_DISPLAY (display), NULL);
/* implementing the save_state method is deprecated
*/
if (GIMP_COLOR_DISPLAY_GET_CLASS (display)->save_state)
{
return GIMP_COLOR_DISPLAY_GET_CLASS (display)->save_state (display);
}
str = gimp_config_serialize_to_string (GIMP_CONFIG (display), NULL);
parasite = gimp_parasite_new ("Display/Proof",
GIMP_PARASITE_PERSISTENT,
strlen (str) + 1, str);
g_free (str);
return parasite;
}
GtkWidget *
gimp_color_display_configure (GimpColorDisplay *display)
{
g_return_val_if_fail (GIMP_IS_COLOR_DISPLAY (display), NULL);
if (GIMP_COLOR_DISPLAY_GET_CLASS (display)->configure)
return GIMP_COLOR_DISPLAY_GET_CLASS (display)->configure (display);
return NULL;
}
void
gimp_color_display_configure_reset (GimpColorDisplay *display)
{
g_return_if_fail (GIMP_IS_COLOR_DISPLAY (display));
/* implementing the configure_reset method is deprecated
*/
if (GIMP_COLOR_DISPLAY_GET_CLASS (display)->configure_reset)
{
GIMP_COLOR_DISPLAY_GET_CLASS (display)->configure_reset (display);
}
else
{
gimp_config_reset (GIMP_CONFIG (display));
}
}
void
gimp_color_display_changed (GimpColorDisplay *display)
{
g_return_if_fail (GIMP_IS_COLOR_DISPLAY (display));
g_signal_emit (display, display_signals[CHANGED], 0);
}
void
gimp_color_display_set_enabled (GimpColorDisplay *display,
gboolean enabled)
{
g_return_if_fail (GIMP_IS_COLOR_DISPLAY (display));
if (enabled != display->enabled)
{
g_object_set (display,
"enabled", enabled,
NULL);
}
}
gboolean
gimp_color_display_get_enabled (GimpColorDisplay *display)
{
g_return_val_if_fail (GIMP_IS_COLOR_DISPLAY (display), FALSE);
return display->enabled;
}
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