Adding upstream version 2.10.34.upstream/2.10.34upstream

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

1 files changed, 307 insertions, 0 deletions

diff --git a/app/operations/gimpoperationbuffersourcevalidate.c b/app/operations/gimpoperationbuffersourcevalidate.c
new file mode 100644
index 0000000..d277653
--- /dev/null
+++ b/app/operations/gimpoperationbuffersourcevalidate.c
@@ -0,0 +1,307 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * gimpoperationbuffersourcevalidate.c
+ * Copyright (C) 2017 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 <cairo.h>
+#include <gegl-plugin.h>
+#include <gdk-pixbuf/gdk-pixbuf.h>
+
+#include "operations-types.h"
+
+#include "gegl/gimptilehandlervalidate.h"
+
+#include "gimpoperationbuffersourcevalidate.h"
+
+
+enum
+{
+  PROP_0,
+  PROP_BUFFER
+};
+
+
+static void           gimp_operation_buffer_source_validate_dispose          (GObject                           *object);
+static void           gimp_operation_buffer_source_validate_get_property     (GObject                           *object,
+                                                                              guint                              property_id,
+                                                                              GValue                            *value,
+                                                                              GParamSpec                        *pspec);
+static void           gimp_operation_buffer_source_validate_set_property     (GObject                           *object,
+                                                                              guint                              property_id,
+                                                                              const GValue                      *value,
+                                                                              GParamSpec                        *pspec);
+
+static GeglRectangle  gimp_operation_buffer_source_validate_get_bounding_box (GeglOperation                     *operation);
+static void           gimp_operation_buffer_source_validate_prepare          (GeglOperation                     *operation);
+static gboolean       gimp_operation_buffer_source_validate_process          (GeglOperation                     *operation,
+                                                                              GeglOperationContext              *context,
+                                                                              const gchar                       *output_pad,
+                                                                              const GeglRectangle               *result,
+                                                                              gint                               level);
+
+static void           gimp_operation_buffer_source_validate_invalidate       (gpointer                           object,
+                                                                              const GeglRectangle               *rect,
+                                                                              GimpOperationBufferSourceValidate *buffer_source_validate);
+
+
+G_DEFINE_TYPE (GimpOperationBufferSourceValidate, gimp_operation_buffer_source_validate,
+               GEGL_TYPE_OPERATION_SOURCE)
+
+#define parent_class gimp_operation_buffer_source_validate_parent_class
+
+
+static void
+gimp_operation_buffer_source_validate_class_init (GimpOperationBufferSourceValidateClass *klass)
+{
+  GObjectClass       *object_class    = G_OBJECT_CLASS (klass);
+  GeglOperationClass *operation_class = GEGL_OPERATION_CLASS (klass);
+
+  object_class->dispose             = gimp_operation_buffer_source_validate_dispose;
+  object_class->set_property        = gimp_operation_buffer_source_validate_set_property;
+  object_class->get_property        = gimp_operation_buffer_source_validate_get_property;
+
+  operation_class->get_bounding_box = gimp_operation_buffer_source_validate_get_bounding_box;
+  operation_class->prepare          = gimp_operation_buffer_source_validate_prepare;
+  operation_class->process          = gimp_operation_buffer_source_validate_process;
+
+  operation_class->threaded         = FALSE;
+  operation_class->cache_policy     = GEGL_CACHE_POLICY_NEVER;
+
+  gegl_operation_class_set_keys (operation_class,
+                                 "name",        "gimp:buffer-source-validate",
+                                 "categories",  "gimp",
+                                 "description", "GIMP Buffer-Source Validate operation",
+                                 NULL);
+
+  g_object_class_install_property (object_class, PROP_BUFFER,
+                                   g_param_spec_object ("buffer",
+                                                        "Buffer",
+                                                        "Input buffer",
+                                                        GEGL_TYPE_BUFFER,
+                                                        G_PARAM_READWRITE));
+}
+
+static void
+gimp_operation_buffer_source_validate_init (GimpOperationBufferSourceValidate *self)
+{
+}
+
+static void
+gimp_operation_buffer_source_validate_dispose (GObject *object)
+{
+  GimpOperationBufferSourceValidate *buffer_source_validate = GIMP_OPERATION_BUFFER_SOURCE_VALIDATE (object);
+
+  if (buffer_source_validate->buffer)
+    {
+      GimpTileHandlerValidate *validate_handler;
+
+      validate_handler = gimp_tile_handler_validate_get_assigned (
+        buffer_source_validate->buffer);
+
+      if (validate_handler)
+        {
+          g_signal_connect (
+            validate_handler,
+            "invalidated",
+            G_CALLBACK (gimp_operation_buffer_source_validate_invalidate),
+            buffer_source_validate);
+        }
+
+      g_signal_handlers_disconnect_by_func (
+        buffer_source_validate->buffer,
+        gimp_operation_buffer_source_validate_invalidate,
+        buffer_source_validate);
+
+      g_clear_object (&buffer_source_validate->buffer);
+    }
+
+  G_OBJECT_CLASS (parent_class)->dispose (object);
+}
+
+static void
+gimp_operation_buffer_source_validate_get_property (GObject    *object,
+                                                    guint       property_id,
+                                                    GValue     *value,
+                                                    GParamSpec *pspec)
+{
+  GimpOperationBufferSourceValidate *buffer_source_validate = GIMP_OPERATION_BUFFER_SOURCE_VALIDATE (object);
+
+  switch (property_id)
+    {
+    case PROP_BUFFER:
+      g_value_set_object (value, buffer_source_validate->buffer);
+      break;
+
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+      break;
+    }
+}
+
+static void
+gimp_operation_buffer_source_validate_set_property (GObject      *object,
+                                                    guint         property_id,
+                                                    const GValue *value,
+                                                    GParamSpec   *pspec)
+{
+  GimpOperationBufferSourceValidate *buffer_source_validate = GIMP_OPERATION_BUFFER_SOURCE_VALIDATE (object);
+
+  switch (property_id)
+    {
+    case PROP_BUFFER:
+      {
+        if (buffer_source_validate->buffer)
+          {
+            GimpTileHandlerValidate *validate_handler;
+
+            validate_handler = gimp_tile_handler_validate_get_assigned (
+              buffer_source_validate->buffer);
+
+            gimp_operation_buffer_source_validate_invalidate (
+              buffer_source_validate->buffer,
+              gegl_buffer_get_extent (buffer_source_validate->buffer),
+              buffer_source_validate);
+
+            g_signal_handlers_disconnect_by_func (
+              buffer_source_validate->buffer,
+              gimp_operation_buffer_source_validate_invalidate,
+              buffer_source_validate);
+
+            if (validate_handler)
+              {
+                g_signal_handlers_disconnect_by_func (
+                  validate_handler,
+                  gimp_operation_buffer_source_validate_invalidate,
+                  buffer_source_validate);
+              }
+
+            g_clear_object (&buffer_source_validate->buffer);
+          }
+
+        buffer_source_validate->buffer = g_value_dup_object (value);
+
+        if (buffer_source_validate->buffer)
+          {
+            GimpTileHandlerValidate *validate_handler;
+
+            validate_handler = gimp_tile_handler_validate_get_assigned (
+              buffer_source_validate->buffer);
+
+            if (validate_handler)
+              {
+                g_signal_connect (
+                  validate_handler,
+                  "invalidated",
+                  G_CALLBACK (gimp_operation_buffer_source_validate_invalidate),
+                  buffer_source_validate);
+              }
+
+            gegl_buffer_signal_connect (
+              buffer_source_validate->buffer,
+              "changed",
+              G_CALLBACK (gimp_operation_buffer_source_validate_invalidate),
+              buffer_source_validate);
+
+            gimp_operation_buffer_source_validate_invalidate (
+              buffer_source_validate->buffer,
+              gegl_buffer_get_extent (buffer_source_validate->buffer),
+              buffer_source_validate);
+          }
+      }
+      break;
+
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+      break;
+    }
+}
+
+static GeglRectangle
+gimp_operation_buffer_source_validate_get_bounding_box (GeglOperation *operation)
+{
+  GimpOperationBufferSourceValidate *buffer_source_validate = GIMP_OPERATION_BUFFER_SOURCE_VALIDATE (operation);
+
+  GeglRectangle result = {};
+
+  if (buffer_source_validate->buffer)
+    result = *gegl_buffer_get_extent (buffer_source_validate->buffer);
+
+  return result;
+}
+
+static void
+gimp_operation_buffer_source_validate_prepare (GeglOperation *operation)
+{
+  GimpOperationBufferSourceValidate *buffer_source_validate = GIMP_OPERATION_BUFFER_SOURCE_VALIDATE (operation);
+  const Babl                        *format                 = NULL;
+
+  if (buffer_source_validate->buffer)
+    format = gegl_buffer_get_format (buffer_source_validate->buffer);
+
+  gegl_operation_set_format (operation, "output", format);
+}
+
+static gboolean
+gimp_operation_buffer_source_validate_process (GeglOperation        *operation,
+                                               GeglOperationContext *context,
+                                               const gchar          *output_pad,
+                                               const GeglRectangle  *result,
+                                               gint                  level)
+{
+  GimpOperationBufferSourceValidate *buffer_source_validate = GIMP_OPERATION_BUFFER_SOURCE_VALIDATE (operation);
+  GeglBuffer                        *buffer                 = buffer_source_validate->buffer;
+
+  if (buffer)
+    {
+      GimpTileHandlerValidate *validate_handler;
+
+      validate_handler = gimp_tile_handler_validate_get_assigned (buffer);
+
+      if (validate_handler)
+        {
+          GeglRectangle rect;
+
+          /* align the rectangle to the tile grid */
+          gegl_rectangle_align_to_buffer (
+            &rect, result, buffer_source_validate->buffer,
+            GEGL_RECTANGLE_ALIGNMENT_SUPERSET);
+
+          gimp_tile_handler_validate_validate (validate_handler,
+                                               buffer_source_validate->buffer,
+                                               &rect,
+                                               TRUE, FALSE);
+        }
+
+      gegl_operation_context_set_object (context, "output", G_OBJECT (buffer));
+
+      gegl_object_set_has_forked (G_OBJECT (buffer));
+    }
+
+  return TRUE;
+}
+
+static void
+gimp_operation_buffer_source_validate_invalidate (gpointer                           object,
+                                                  const GeglRectangle               *rect,
+                                                  GimpOperationBufferSourceValidate *buffer_source_validate)
+{
+  gegl_operation_invalidate (GEGL_OPERATION (buffer_source_validate),
+                             rect, FALSE);
+}