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-rw-r--r--app/propgui/gimppropgui-focus-blur.c246
1 files changed, 246 insertions, 0 deletions
diff --git a/app/propgui/gimppropgui-focus-blur.c b/app/propgui/gimppropgui-focus-blur.c
new file mode 100644
index 0000000..ecee097
--- /dev/null
+++ b/app/propgui/gimppropgui-focus-blur.c
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+/* 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;
+}
+
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