Adding upstream version 2.10.22.upstream/2.10.22upstream

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

1 files changed, 224 insertions, 0 deletions

diff --git a/app/core/gimpdrawablestack.c b/app/core/gimpdrawablestack.c
new file mode 100644
index 0000000..c8e706a
--- /dev/null
+++ b/app/core/gimpdrawablestack.c
@@ -0,0 +1,224 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995-1997 Spencer Kimball and Peter Mattis
+ *
+ * gimpdrawablestack.c
+ * Copyright (C) 2008 Michael Natterer <mitch@gimp.org>
+ *
+ * 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 <gdk-pixbuf/gdk-pixbuf.h>
+#include <gegl.h>
+
+#include "core-types.h"
+
+#include "gimpdrawable.h"
+#include "gimpdrawablestack.h"
+#include "gimpmarshal.h"
+
+
+enum
+{
+  UPDATE,
+  LAST_SIGNAL
+};
+
+
+/*  local function prototypes  */
+
+static void   gimp_drawable_stack_constructed      (GObject           *object);
+
+static void   gimp_drawable_stack_add              (GimpContainer     *container,
+                                                    GimpObject        *object);
+static void   gimp_drawable_stack_remove           (GimpContainer     *container,
+                                                    GimpObject        *object);
+static void   gimp_drawable_stack_reorder          (GimpContainer     *container,
+                                                    GimpObject        *object,
+                                                    gint               new_index);
+
+static void   gimp_drawable_stack_drawable_update  (GimpItem          *item,
+                                                    gint               x,
+                                                    gint               y,
+                                                    gint               width,
+                                                    gint               height,
+                                                    GimpDrawableStack *stack);
+static void   gimp_drawable_stack_drawable_active  (GimpItem          *item,
+                                                    GimpDrawableStack *stack);
+
+
+G_DEFINE_TYPE (GimpDrawableStack, gimp_drawable_stack, GIMP_TYPE_ITEM_STACK)
+
+#define parent_class gimp_drawable_stack_parent_class
+
+static guint stack_signals[LAST_SIGNAL] = { 0 };
+
+
+static void
+gimp_drawable_stack_class_init (GimpDrawableStackClass *klass)
+{
+  GObjectClass       *object_class    = G_OBJECT_CLASS (klass);
+  GimpContainerClass *container_class = GIMP_CONTAINER_CLASS (klass);
+
+  stack_signals[UPDATE] =
+    g_signal_new ("update",
+                  G_TYPE_FROM_CLASS (klass),
+                  G_SIGNAL_RUN_FIRST,
+                  G_STRUCT_OFFSET (GimpDrawableStackClass, update),
+                  NULL, NULL,
+                  gimp_marshal_VOID__INT_INT_INT_INT,
+                  G_TYPE_NONE, 4,
+                  G_TYPE_INT,
+                  G_TYPE_INT,
+                  G_TYPE_INT,
+                  G_TYPE_INT);
+
+  object_class->constructed = gimp_drawable_stack_constructed;
+
+  container_class->add      = gimp_drawable_stack_add;
+  container_class->remove   = gimp_drawable_stack_remove;
+  container_class->reorder  = gimp_drawable_stack_reorder;
+}
+
+static void
+gimp_drawable_stack_init (GimpDrawableStack *stack)
+{
+}
+
+static void
+gimp_drawable_stack_constructed (GObject *object)
+{
+  GimpContainer *container = GIMP_CONTAINER (object);
+
+  G_OBJECT_CLASS (parent_class)->constructed (object);
+
+  gimp_assert (g_type_is_a (gimp_container_get_children_type (container),
+                            GIMP_TYPE_DRAWABLE));
+
+  gimp_container_add_handler (container, "update",
+                              G_CALLBACK (gimp_drawable_stack_drawable_update),
+                              container);
+  gimp_container_add_handler (container, "active-changed",
+                              G_CALLBACK (gimp_drawable_stack_drawable_active),
+                              container);
+}
+
+static void
+gimp_drawable_stack_add (GimpContainer *container,
+                         GimpObject    *object)
+{
+  GimpDrawableStack *stack = GIMP_DRAWABLE_STACK (container);
+
+  GIMP_CONTAINER_CLASS (parent_class)->add (container, object);
+
+  if (gimp_filter_get_active (GIMP_FILTER (object)))
+    gimp_drawable_stack_drawable_active (GIMP_ITEM (object), stack);
+}
+
+static void
+gimp_drawable_stack_remove (GimpContainer *container,
+                            GimpObject    *object)
+{
+  GimpDrawableStack *stack = GIMP_DRAWABLE_STACK (container);
+
+  GIMP_CONTAINER_CLASS (parent_class)->remove (container, object);
+
+  if (gimp_filter_get_active (GIMP_FILTER (object)))
+    gimp_drawable_stack_drawable_active (GIMP_ITEM (object), stack);
+}
+
+static void
+gimp_drawable_stack_reorder (GimpContainer *container,
+                             GimpObject    *object,
+                             gint           new_index)
+{
+  GimpDrawableStack *stack  = GIMP_DRAWABLE_STACK (container);
+
+  GIMP_CONTAINER_CLASS (parent_class)->reorder (container, object, new_index);
+
+  if (gimp_filter_get_active (GIMP_FILTER (object)))
+    gimp_drawable_stack_drawable_active (GIMP_ITEM (object), stack);
+}
+
+
+/*  public functions  */
+
+GimpContainer *
+gimp_drawable_stack_new (GType drawable_type)
+{
+  g_return_val_if_fail (g_type_is_a (drawable_type, GIMP_TYPE_DRAWABLE), NULL);
+
+  return g_object_new (GIMP_TYPE_DRAWABLE_STACK,
+                       "name",          g_type_name (drawable_type),
+                       "children-type", drawable_type,
+                       "policy",        GIMP_CONTAINER_POLICY_STRONG,
+                       NULL);
+}
+
+
+/*  protected functions  */
+
+void
+gimp_drawable_stack_update (GimpDrawableStack *stack,
+                            gint               x,
+                            gint               y,
+                            gint               width,
+                            gint               height)
+{
+  g_return_if_fail (GIMP_IS_DRAWABLE_STACK (stack));
+
+  g_signal_emit (stack, stack_signals[UPDATE], 0,
+                 x, y, width, height);
+}
+
+
+/*  private functions  */
+
+static void
+gimp_drawable_stack_drawable_update (GimpItem          *item,
+                                     gint               x,
+                                     gint               y,
+                                     gint               width,
+                                     gint               height,
+                                     GimpDrawableStack *stack)
+{
+  if (gimp_filter_get_active (GIMP_FILTER (item)))
+    {
+      gint offset_x;
+      gint offset_y;
+
+      gimp_item_get_offset (item, &offset_x, &offset_y);
+
+      gimp_drawable_stack_update (stack,
+                                  x + offset_x, y + offset_y,
+                                  width, height);
+    }
+}
+
+static void
+gimp_drawable_stack_drawable_active (GimpItem          *item,
+                                     GimpDrawableStack *stack)
+{
+  GeglRectangle bounding_box;
+
+  bounding_box = gimp_drawable_get_bounding_box (GIMP_DRAWABLE (item));
+
+  bounding_box.x += gimp_item_get_offset_x (item);
+  bounding_box.y += gimp_item_get_offset_y (item);
+
+  gimp_drawable_stack_update (stack,
+                              bounding_box.x,     bounding_box.y,
+                              bounding_box.width, bounding_box.height);
+}