gimp/app/propgui/gimppropgui-panorama-projec...

145 lines
4.8 KiB
C

/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995-1997 Spencer Kimball and Peter Mattis
*
* gimppropgui-panorama-projection.c
* Copyright (C) 2018 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-panorama-projection.h"
#include "gimp-intl.h"
static void
gyroscope_callback (GObject *config,
GeglRectangle *area,
gdouble yaw,
gdouble pitch,
gdouble roll,
gdouble zoom,
gboolean invert)
{
g_object_set_data_full (G_OBJECT (config), "area",
g_memdup2 (area, sizeof (GeglRectangle)),
(GDestroyNotify) g_free);
g_object_set (config,
"pan", -yaw,
"tilt", -pitch,
"spin", -roll,
"zoom", CLAMP (100.0 * zoom, 0.01, 1000.0),
"inverse", invert,
NULL);
}
static void
config_notify (GObject *config,
const GParamSpec *pspec,
gpointer set_data)
{
GimpControllerGyroscopeCallback set_func;
GeglRectangle *area;
gdouble pan;
gdouble tilt;
gdouble spin;
gdouble zoom;
gboolean inverse;
set_func = g_object_get_data (G_OBJECT (config), "set-func");
area = g_object_get_data (G_OBJECT (config), "area");
g_object_get (config,
"pan", &pan,
"tilt", &tilt,
"spin", &spin,
"zoom", &zoom,
"inverse", &inverse,
NULL);
set_func (set_data,
area,
-pan, -tilt, -spin,
zoom / 100.0,
inverse);
}
GtkWidget *
_gimp_prop_gui_new_panorama_projection (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;
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);
vbox = _gimp_prop_gui_new_generic (config,
param_specs, n_param_specs,
area, context,
create_picker_func,
create_controller_func,
creator);
if (create_controller_func)
{
GCallback set_func;
gpointer set_data;
set_func = create_controller_func (creator,
GIMP_CONTROLLER_TYPE_GYROSCOPE,
_("Panorama Projection: "),
(GCallback) gyroscope_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_memdup2 (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;
}