Adding upstream version 2.10.36.upstream/2.10.36

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 334 insertions, 0 deletions

diff --git a/app/propgui/gimppropgui-recursive-transform.c b/app/propgui/gimppropgui-recursive-transform.c
new file mode 100644
index 0000000..a247723
--- /dev/null
+++ b/app/propgui/gimppropgui-recursive-transform.c
@@ -0,0 +1,334 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995-1997 Spencer Kimball and Peter Mattis
+ *
+ * gimppropgui-recursive-transform.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-recursive-transform.h"
+
+#include "gimp-intl.h"
+
+
+#define MAX_N_TRANSFORMS 10
+
+
+static void
+add_transform (GtkButton *button,
+               GObject   *config)
+{
+  gchar *transform;
+  gchar *new_transform;
+
+  g_object_get (config,
+                "transform", &transform,
+                NULL);
+
+  new_transform = g_strdup_printf ("%s;matrix (1, 0, 0, 0, 1, 0, 0, 0, 1)",
+                                   transform);
+
+  g_object_set (config,
+                "transform", new_transform,
+                NULL);
+
+  g_free (transform);
+  g_free (new_transform);
+}
+
+static void
+duplicate_transform (GtkButton *button,
+                     GObject   *config)
+{
+  gchar *transform;
+  gchar *new_transform;
+  gchar *delim;
+
+  g_object_get (config,
+                "transform", &transform,
+                NULL);
+
+  delim = strrchr (transform, ';');
+
+  if (! delim)
+    delim = transform;
+  else
+    delim++;
+
+  new_transform = g_strdup_printf ("%s;%s", transform, delim);
+
+  g_object_set (config,
+                "transform", new_transform,
+                NULL);
+
+  g_free (transform);
+  g_free (new_transform);
+}
+
+static void
+remove_transform (GtkButton *button,
+                  GObject   *config)
+{
+  gchar *transform;
+  gchar *delim;
+
+  g_object_get (config,
+                "transform", &transform,
+                NULL);
+
+  delim = strrchr (transform, ';');
+
+  if (delim)
+    {
+      *delim = '\0';
+
+      g_object_set (config,
+                    "transform", transform,
+                    NULL);
+    }
+
+  g_free (transform);
+}
+
+static void
+transform_grids_callback (GObject                    *config,
+                          GeglRectangle              *area,
+                          const GimpMatrix3          *transforms,
+                          gint                        n_transforms)
+{
+  GString *transforms_str = g_string_new (NULL);
+  gchar   *transform_str;
+  gint     i;
+
+  g_object_set_data_full (G_OBJECT (config), "area",
+                          g_memdup (area, sizeof (GeglRectangle)),
+                          (GDestroyNotify) g_free);
+
+  for (i = 0; i < n_transforms; i++)
+    {
+      if (i > 0)
+        g_string_append (transforms_str, ";");
+
+      transform_str = gegl_matrix3_to_string ((GeglMatrix3 *) &transforms[i]);
+
+      g_string_append (transforms_str, transform_str);
+
+      g_free (transform_str);
+    }
+
+  transform_str = g_string_free (transforms_str, FALSE);
+
+  g_object_set (config,
+                "transform", transform_str,
+                NULL);
+
+  g_free (transform_str);
+}
+
+static void
+config_notify (GObject          *config,
+               const GParamSpec *pspec,
+               gpointer          set_data)
+{
+  GtkWidget                             *add_button;
+  GtkWidget                             *duplicate_button;
+  GtkWidget                             *remove_button;
+  GimpControllerTransformGridsCallback   set_func;
+  GeglRectangle                         *area;
+  gchar                                 *transform_str;
+  gchar                                **transform_strs;
+  GimpMatrix3                           *transforms;
+  gint                                   n_transforms;
+  gint                                   i;
+
+  add_button       = g_object_get_data (G_OBJECT (config), "add-transform-button");
+  duplicate_button = g_object_get_data (G_OBJECT (config), "duplicate-transform-button");
+  remove_button    = g_object_get_data (G_OBJECT (config), "remove-transform-button");
+  set_func         = g_object_get_data (G_OBJECT (config), "set-func");
+  area             = g_object_get_data (G_OBJECT (config), "area");
+
+  g_object_get (config,
+                "transform", &transform_str,
+                NULL);
+
+  transform_strs = g_strsplit (transform_str, ";", -1);
+
+  g_free (transform_str);
+
+  for (n_transforms = 0; transform_strs[n_transforms]; n_transforms++);
+
+  transforms = g_new (GimpMatrix3, n_transforms);
+
+  for (i = 0; i < n_transforms; i++)
+    {
+      gegl_matrix3_parse_string ((GeglMatrix3 *) &transforms[i],
+                                 transform_strs[i]);
+    }
+
+  set_func (set_data, area, transforms, n_transforms);
+
+  g_strfreev (transform_strs);
+  g_free (transforms);
+
+  gtk_widget_set_sensitive (add_button,       n_transforms < MAX_N_TRANSFORMS);
+  gtk_widget_set_sensitive (duplicate_button, n_transforms < MAX_N_TRANSFORMS);
+  gtk_widget_set_sensitive (remove_button,    n_transforms > 1);
+}
+
+GtkWidget *
+_gimp_prop_gui_new_recursive_transform (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);
+
+  /* skip the "transform" property, which is controlled by a transform-grid
+   * controller.
+   */
+  if (create_controller_func)
+    {
+      param_specs++;
+      n_param_specs--;
+    }
+
+  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)
+    {
+      GtkWidget *outer_vbox;
+      GtkWidget *hbox;
+      GtkWidget *button;
+      GtkWidget *image;
+      GCallback  set_func;
+      gpointer   set_data;
+
+      outer_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL,
+                                gtk_box_get_spacing (GTK_BOX (vbox)));
+
+      gtk_box_pack_start (GTK_BOX (outer_vbox), vbox, FALSE, FALSE, 0);
+      gtk_widget_show (vbox);
+
+      hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 4);
+      gtk_box_set_homogeneous (GTK_BOX (hbox), TRUE);
+      gtk_box_pack_start (GTK_BOX (outer_vbox), hbox, FALSE, FALSE, 2);
+      gtk_widget_show (hbox);
+
+      button = gtk_button_new ();
+      gimp_help_set_help_data (button,
+                               _("Add transform"),
+                               NULL);
+      gtk_box_pack_start (GTK_BOX (hbox), button, TRUE, TRUE, 0);
+      gtk_widget_show (button);
+
+      image = gtk_image_new_from_icon_name (GIMP_ICON_LIST_ADD,
+                                            GTK_ICON_SIZE_MENU);
+      gtk_container_add (GTK_CONTAINER (button), image);
+      gtk_widget_show (image);
+
+      g_signal_connect (button, "clicked",
+                        G_CALLBACK (add_transform),
+                        config);
+
+      g_object_set_data (config, "add-transform-button", button);
+
+      button = gtk_button_new ();
+      gimp_help_set_help_data (button,
+                               _("Duplicate transform"),
+                               NULL);
+      gtk_box_pack_start (GTK_BOX (hbox), button, TRUE, TRUE, 0);
+      gtk_widget_show (button);
+
+      image = gtk_image_new_from_icon_name (GIMP_ICON_OBJECT_DUPLICATE,
+                                            GTK_ICON_SIZE_MENU);
+      gtk_container_add (GTK_CONTAINER (button), image);
+      gtk_widget_show (image);
+
+      g_signal_connect (button, "clicked",
+                        G_CALLBACK (duplicate_transform),
+                        config);
+
+      g_object_set_data (config, "duplicate-transform-button", button);
+
+      button = gtk_button_new ();
+      gimp_help_set_help_data (button,
+                               _("Remove transform"),
+                               NULL);
+      gtk_box_pack_start (GTK_BOX (hbox), button, TRUE, TRUE, 0);
+      gtk_widget_show (button);
+
+      image = gtk_image_new_from_icon_name (GIMP_ICON_LIST_REMOVE,
+                                            GTK_ICON_SIZE_MENU);
+      gtk_container_add (GTK_CONTAINER (button), image);
+      gtk_widget_show (image);
+
+      g_signal_connect (button, "clicked",
+                        G_CALLBACK (remove_transform),
+                        config);
+
+      g_object_set_data (config, "remove-transform-button", button);
+
+      vbox = outer_vbox;
+
+      set_func = create_controller_func (creator,
+                                         GIMP_CONTROLLER_TYPE_TRANSFORM_GRIDS,
+                                         _("Recursive Transform: "),
+                                         (GCallback) transform_grids_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;
+}