gimp/app/propgui/gimppropgui-focus-blur.c

247 lines
8.6 KiB
C

/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995-1997 Spencer Kimball and Peter Mattis
*
* gimppropgui-focus-blur.c
* Copyright (C) 2020 Ell
*
* 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 <https://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <gegl.h>
#include <gtk/gtk.h>
#include "libgimpmath/gimpmath.h"
#include "libgimpwidgets/gimpwidgets.h"
#include "propgui-types.h"
#include "core/gimpcontext.h"
#include "gimppropgui.h"
#include "gimppropgui-generic.h"
#include "gimppropgui-focus-blur.h"
#include "gimp-intl.h"
static gint
find_param (GParamSpec **param_specs,
guint n_param_specs,
const gchar *name)
{
gint i;
for (i = 0; i < n_param_specs; i++)
{
if (! strcmp (param_specs[i]->name, name))
break;
}
return i;
}
static void
focus_callback (GObject *config,
GeglRectangle *area,
GimpLimitType type,
gdouble x,
gdouble y,
gdouble radius,
gdouble aspect_ratio,
gdouble angle,
gdouble inner_limit,
gdouble midpoint)
{
g_object_set_data_full (G_OBJECT (config), "area",
g_memdup (area, sizeof (GeglRectangle)),
(GDestroyNotify) g_free);
g_object_set (config,
"shape", type,
"x", x / area->width,
"y", y / area->height,
"radius", 2.0 * radius / area->width,
"focus", inner_limit,
"midpoint", midpoint,
"aspect-ratio", aspect_ratio,
"rotation", fmod (
fmod (angle * 180.0 / G_PI + 180.0, 360.0) +
360.0,
360.0) - 180.0,
NULL);
}
static void
config_notify (GObject *config,
const GParamSpec *pspec,
gpointer set_data)
{
GimpControllerFocusCallback set_func;
GeglRectangle *area;
GimpLimitType shape;
gdouble radius;
gdouble focus;
gdouble midpoint;
gdouble x, y;
gdouble aspect_ratio;
gdouble rotation;
set_func = g_object_get_data (G_OBJECT (config), "set-func");
area = g_object_get_data (G_OBJECT (config), "area");
g_object_get (config,
"shape", &shape,
"radius", &radius,
"focus", &focus,
"midpoint", &midpoint,
"x", &x,
"y", &y,
"aspect-ratio", &aspect_ratio,
"rotation", &rotation,
NULL);
set_func (set_data, area,
shape,
x * area->width,
y * area->height,
radius * area->width / 2.0,
aspect_ratio,
rotation / 180.0 * G_PI,
focus,
midpoint);
}
GtkWidget *
_gimp_prop_gui_new_focus_blur (GObject *config,
GParamSpec **param_specs,
guint n_param_specs,
GeglRectangle *area,
GimpContext *context,
GimpCreatePickerFunc create_picker_func,
GimpCreateControllerFunc create_controller_func,
gpointer creator)
{
GtkWidget *vbox;
gint first_geometry_param;
gint last_geometry_param;
g_return_val_if_fail (G_IS_OBJECT (config), NULL);
g_return_val_if_fail (param_specs != NULL, NULL);
g_return_val_if_fail (n_param_specs > 0, NULL);
g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL);
first_geometry_param = find_param (param_specs, n_param_specs,
"shape") + 1;
last_geometry_param = find_param (param_specs, n_param_specs,
"high-quality");
if (last_geometry_param <= first_geometry_param)
{
vbox = _gimp_prop_gui_new_generic (config,
param_specs, n_param_specs,
area, context,
create_picker_func,
create_controller_func,
creator);
}
else
{
GtkWidget *widget;
GtkWidget *expander;
GtkWidget *frame;
const gchar *label;
vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 2);
widget = gimp_prop_widget_new (config,
"shape",
area, context,
create_picker_func,
create_controller_func,
creator,
&label);
gtk_box_pack_start (GTK_BOX (vbox), widget, FALSE, FALSE, 0);
gtk_widget_show (widget);
widget = _gimp_prop_gui_new_generic (config,
param_specs,
first_geometry_param - 1,
area, context,
create_picker_func,
create_controller_func,
creator);
gtk_box_pack_start (GTK_BOX (vbox), widget, FALSE, FALSE, 0);
gtk_widget_show (widget);
widget = _gimp_prop_gui_new_generic (config,
param_specs + last_geometry_param,
n_param_specs - last_geometry_param,
area, context,
create_picker_func,
create_controller_func,
creator);
gtk_box_pack_start (GTK_BOX (vbox), widget, FALSE, FALSE, 0);
gtk_widget_show (widget);
expander = gtk_expander_new (_("Geometry Options"));
gtk_box_pack_start (GTK_BOX (vbox), expander, FALSE, FALSE, 0);
gtk_widget_show (expander);
frame = gimp_frame_new (NULL);
gtk_container_add (GTK_CONTAINER (expander), frame);
gtk_widget_show (frame);
widget = _gimp_prop_gui_new_generic (config,
param_specs + first_geometry_param,
last_geometry_param -
first_geometry_param,
area, context,
create_picker_func,
create_controller_func,
creator);
gtk_container_add (GTK_CONTAINER (frame), widget);
gtk_widget_show (widget);
}
if (create_controller_func)
{
GCallback set_func;
gpointer set_data;
set_func = create_controller_func (creator,
GIMP_CONTROLLER_TYPE_FOCUS,
_("Focus Blur: "),
(GCallback) focus_callback,
config,
&set_data);
g_object_set_data (G_OBJECT (config), "set-func", set_func);
g_object_set_data_full (G_OBJECT (config), "area",
g_memdup (area, sizeof (GeglRectangle)),
(GDestroyNotify) g_free);
config_notify (config, NULL, set_data);
g_signal_connect (config, "notify",
G_CALLBACK (config_notify),
set_data);
}
return vbox;
}