Adding upstream version 2.10.22.upstream/2.10.22upstream

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

1 files changed, 262 insertions, 0 deletions

diff --git a/app/core/gimpprojectable.c b/app/core/gimpprojectable.c
new file mode 100644
index 0000000..8814c98
--- /dev/null
+++ b/app/core/gimpprojectable.c
@@ -0,0 +1,262 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * gimpprojectable.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 "gimpmarshal.h"
+#include "gimpprojectable.h"
+#include "gimpviewable.h"
+
+
+enum
+{
+  INVALIDATE,
+  FLUSH,
+  STRUCTURE_CHANGED,
+  BOUNDS_CHANGED,
+  LAST_SIGNAL
+};
+
+
+G_DEFINE_INTERFACE (GimpProjectable, gimp_projectable, GIMP_TYPE_VIEWABLE)
+
+
+static guint projectable_signals[LAST_SIGNAL] = { 0 };
+
+
+/*  private functions  */
+
+
+static void
+gimp_projectable_default_init (GimpProjectableInterface *iface)
+{
+  projectable_signals[INVALIDATE] =
+    g_signal_new ("invalidate",
+                  G_TYPE_FROM_CLASS (iface),
+                  G_SIGNAL_RUN_FIRST,
+                  G_STRUCT_OFFSET (GimpProjectableInterface, invalidate),
+                  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);
+
+  projectable_signals[FLUSH] =
+    g_signal_new ("flush",
+                  G_TYPE_FROM_CLASS (iface),
+                  G_SIGNAL_RUN_FIRST,
+                  G_STRUCT_OFFSET (GimpProjectableInterface, flush),
+                  NULL, NULL,
+                  gimp_marshal_VOID__BOOLEAN,
+                  G_TYPE_NONE, 1,
+                  G_TYPE_BOOLEAN);
+
+  projectable_signals[STRUCTURE_CHANGED] =
+    g_signal_new ("structure-changed",
+                  G_TYPE_FROM_CLASS (iface),
+                  G_SIGNAL_RUN_FIRST,
+                  G_STRUCT_OFFSET (GimpProjectableInterface, structure_changed),
+                  NULL, NULL,
+                  gimp_marshal_VOID__VOID,
+                  G_TYPE_NONE, 0);
+
+  projectable_signals[BOUNDS_CHANGED] =
+    g_signal_new ("bounds-changed",
+                  G_TYPE_FROM_CLASS (iface),
+                  G_SIGNAL_RUN_FIRST,
+                  G_STRUCT_OFFSET (GimpProjectableInterface, bounds_changed),
+                  NULL, NULL,
+                  gimp_marshal_VOID__INT_INT,
+                  G_TYPE_NONE, 2,
+                  G_TYPE_INT,
+                  G_TYPE_INT);
+}
+
+
+/*  public functions  */
+
+void
+gimp_projectable_invalidate (GimpProjectable *projectable,
+                             gint             x,
+                             gint             y,
+                             gint             width,
+                             gint             height)
+{
+  g_return_if_fail (GIMP_IS_PROJECTABLE (projectable));
+
+  g_signal_emit (projectable, projectable_signals[INVALIDATE], 0,
+                 x, y, width, height);
+}
+
+void
+gimp_projectable_flush (GimpProjectable *projectable,
+                        gboolean         preview_invalidated)
+{
+  g_return_if_fail (GIMP_IS_PROJECTABLE (projectable));
+
+  g_signal_emit (projectable, projectable_signals[FLUSH], 0,
+                 preview_invalidated);
+}
+
+void
+gimp_projectable_structure_changed (GimpProjectable *projectable)
+{
+  g_return_if_fail (GIMP_IS_PROJECTABLE (projectable));
+
+  g_signal_emit (projectable, projectable_signals[STRUCTURE_CHANGED], 0);
+}
+
+void
+gimp_projectable_bounds_changed (GimpProjectable *projectable,
+                                 gint             old_x,
+                                 gint             old_y)
+{
+  g_return_if_fail (GIMP_IS_PROJECTABLE (projectable));
+
+  g_signal_emit (projectable, projectable_signals[BOUNDS_CHANGED], 0,
+                 old_x, old_y);
+}
+
+GimpImage *
+gimp_projectable_get_image (GimpProjectable *projectable)
+{
+  GimpProjectableInterface *iface;
+
+  g_return_val_if_fail (GIMP_IS_PROJECTABLE (projectable), NULL);
+
+  iface = GIMP_PROJECTABLE_GET_INTERFACE (projectable);
+
+  if (iface->get_image)
+    return iface->get_image (projectable);
+
+  return NULL;
+}
+
+const Babl *
+gimp_projectable_get_format (GimpProjectable *projectable)
+{
+  GimpProjectableInterface *iface;
+
+  g_return_val_if_fail (GIMP_IS_PROJECTABLE (projectable), NULL);
+
+  iface = GIMP_PROJECTABLE_GET_INTERFACE (projectable);
+
+  if (iface->get_format)
+    return iface->get_format (projectable);
+
+  return 0;
+}
+
+void
+gimp_projectable_get_offset (GimpProjectable *projectable,
+                             gint            *x,
+                             gint            *y)
+{
+  GimpProjectableInterface *iface;
+
+  g_return_if_fail (GIMP_IS_PROJECTABLE (projectable));
+  g_return_if_fail (x != NULL);
+  g_return_if_fail (y != NULL);
+
+  iface = GIMP_PROJECTABLE_GET_INTERFACE (projectable);
+
+  *x = 0;
+  *y = 0;
+
+  if (iface->get_offset)
+    iface->get_offset (projectable, x, y);
+}
+
+GeglRectangle
+gimp_projectable_get_bounding_box (GimpProjectable *projectable)
+{
+  GimpProjectableInterface *iface;
+  GeglRectangle             result = {};
+
+  g_return_val_if_fail (GIMP_IS_PROJECTABLE (projectable), result);
+
+  iface = GIMP_PROJECTABLE_GET_INTERFACE (projectable);
+
+  if (iface->get_bounding_box)
+    result = iface->get_bounding_box (projectable);
+
+  return result;
+}
+
+GeglNode *
+gimp_projectable_get_graph (GimpProjectable *projectable)
+{
+  GimpProjectableInterface *iface;
+
+  g_return_val_if_fail (GIMP_IS_PROJECTABLE (projectable), NULL);
+
+  iface = GIMP_PROJECTABLE_GET_INTERFACE (projectable);
+
+  if (iface->get_graph)
+    return iface->get_graph (projectable);
+
+  return NULL;
+}
+
+void
+gimp_projectable_begin_render (GimpProjectable *projectable)
+{
+  GimpProjectableInterface *iface;
+
+  g_return_if_fail (GIMP_IS_PROJECTABLE (projectable));
+
+  iface = GIMP_PROJECTABLE_GET_INTERFACE (projectable);
+
+  if (iface->begin_render)
+    iface->begin_render (projectable);
+}
+
+void
+gimp_projectable_end_render (GimpProjectable *projectable)
+{
+  GimpProjectableInterface *iface;
+
+  g_return_if_fail (GIMP_IS_PROJECTABLE (projectable));
+
+  iface = GIMP_PROJECTABLE_GET_INTERFACE (projectable);
+
+  if (iface->end_render)
+    iface->end_render (projectable);
+}
+
+void
+gimp_projectable_invalidate_preview (GimpProjectable *projectable)
+{
+  GimpProjectableInterface *iface;
+
+  g_return_if_fail (GIMP_IS_PROJECTABLE (projectable));
+
+  iface = GIMP_PROJECTABLE_GET_INTERFACE (projectable);
+
+  if (iface->invalidate_preview)
+    iface->invalidate_preview (projectable);
+}