Adding upstream version 2.10.22.upstream/2.10.22upstream

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

1 files changed, 244 insertions, 0 deletions

diff --git a/app/operations/gimpoperationhistogramsink.c b/app/operations/gimpoperationhistogramsink.c
new file mode 100644
index 0000000..cb0a7ac
--- /dev/null
+++ b/app/operations/gimpoperationhistogramsink.c
@@ -0,0 +1,244 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * gimpoperationhistogramsink.c
+ * Copyright (C) 2012 Øyvind Kolås
+ *
+ * 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 "operations-types.h"
+
+#include "core/gimphistogram.h"
+
+#include "gimpoperationhistogramsink.h"
+
+
+enum
+{
+  PROP_0,
+  PROP_AUX,
+  PROP_HISTOGRAM
+};
+
+
+static void     gimp_operation_histogram_sink_finalize     (GObject             *object);
+static void     gimp_operation_histogram_sink_get_property (GObject             *object,
+                                                            guint                prop_id,
+                                                            GValue              *value,
+                                                            GParamSpec          *pspec);
+static void     gimp_operation_histogram_sink_set_property (GObject             *object,
+                                                            guint                prop_id,
+                                                            const GValue        *value,
+                                                            GParamSpec          *pspec);
+
+static void     gimp_operation_histogram_sink_attach       (GeglOperation       *operation);
+static void     gimp_operation_histogram_sink_prepare      (GeglOperation       *operation);
+static GeglRectangle
+     gimp_operation_histogram_sink_get_required_for_output (GeglOperation        *self,
+                                                            const gchar         *input_pad,
+                                                            const GeglRectangle *roi);
+static gboolean gimp_operation_histogram_sink_process      (GeglOperation       *operation,
+                                                            GeglOperationContext     *context,
+                                                            const gchar         *output_prop,
+                                                            const GeglRectangle *result,
+                                                            gint                 level);
+
+
+G_DEFINE_TYPE (GimpOperationHistogramSink, gimp_operation_histogram_sink,
+               GEGL_TYPE_OPERATION_SINK)
+
+#define parent_class gimp_operation_histogram_sink_parent_class
+
+
+static void
+gimp_operation_histogram_sink_class_init (GimpOperationHistogramSinkClass *klass)
+{
+  GObjectClass       *object_class    = G_OBJECT_CLASS (klass);
+  GeglOperationClass *operation_class = GEGL_OPERATION_CLASS (klass);
+
+  object_class->finalize     = gimp_operation_histogram_sink_finalize;
+  object_class->set_property = gimp_operation_histogram_sink_set_property;
+  object_class->get_property = gimp_operation_histogram_sink_get_property;
+
+  gegl_operation_class_set_keys (operation_class,
+                                 "name"       , "gimp:histogram-sink",
+                                 "categories" , "color",
+                                 "description", "GIMP Histogram sink operation",
+                                 NULL);
+
+  operation_class->attach                  = gimp_operation_histogram_sink_attach;
+  operation_class->prepare                 = gimp_operation_histogram_sink_prepare;
+  operation_class->get_required_for_output = gimp_operation_histogram_sink_get_required_for_output;
+  operation_class->process                 = gimp_operation_histogram_sink_process;
+
+  g_object_class_install_property (object_class, PROP_AUX,
+                                   g_param_spec_object ("aux",
+                                                        "Aux",
+                                                        "Auxiliary image buffer input pad.",
+                                                        GEGL_TYPE_BUFFER,
+                                                        G_PARAM_READWRITE |
+                                                        GEGL_PARAM_PAD_INPUT));
+
+  g_object_class_install_property (object_class, PROP_HISTOGRAM,
+                                   g_param_spec_object ("histogram",
+                                                        "Histogram",
+                                                        "The result histogram",
+                                                        GIMP_TYPE_HISTOGRAM,
+                                                        G_PARAM_READWRITE));
+}
+
+static void
+gimp_operation_histogram_sink_init (GimpOperationHistogramSink *self)
+{
+}
+
+static void
+gimp_operation_histogram_sink_finalize (GObject *object)
+{
+  GimpOperationHistogramSink *sink = GIMP_OPERATION_HISTOGRAM_SINK (object);
+
+  g_clear_object (&sink->histogram);
+
+  G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+static void
+gimp_operation_histogram_sink_get_property (GObject    *object,
+                                            guint       prop_id,
+                                            GValue     *value,
+                                            GParamSpec *pspec)
+{
+  GimpOperationHistogramSink *sink = GIMP_OPERATION_HISTOGRAM_SINK (object);
+
+  switch (prop_id)
+    {
+    case PROP_AUX:
+      break;
+
+    case PROP_HISTOGRAM:
+      g_value_set_pointer (value, sink->histogram);
+      break;
+
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+      break;
+    }
+}
+
+static void
+gimp_operation_histogram_sink_set_property (GObject      *object,
+                                            guint         prop_id,
+                                            const GValue *value,
+                                            GParamSpec   *pspec)
+{
+  GimpOperationHistogramSink *sink = GIMP_OPERATION_HISTOGRAM_SINK (object);
+
+  switch (prop_id)
+    {
+    case PROP_AUX:
+      break;
+
+    case PROP_HISTOGRAM:
+      if (sink->histogram)
+        g_object_unref (sink->histogram);
+      sink->histogram = g_value_dup_object (value);
+      break;
+
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+      break;
+    }
+}
+
+static void
+gimp_operation_histogram_sink_attach (GeglOperation *self)
+{
+  GeglOperation *operation    = GEGL_OPERATION (self);
+  GObjectClass  *object_class = G_OBJECT_GET_CLASS (self);
+
+  GEGL_OPERATION_CLASS (parent_class)->attach (self);
+
+  gegl_operation_create_pad (operation,
+                             g_object_class_find_property (object_class,
+                                                           "aux"));
+}
+
+static void
+gimp_operation_histogram_sink_prepare (GeglOperation *operation)
+{
+  /* XXX gegl_operation_set_format (operation, "input", babl_format ("Y u8")); */
+  gegl_operation_set_format (operation, "aux",   babl_format ("Y float"));
+}
+
+static GeglRectangle
+gimp_operation_histogram_sink_get_required_for_output (GeglOperation       *self,
+                                                       const gchar         *input_pad,
+                                                       const GeglRectangle *roi)
+{
+  /* dunno what to do here, make a wild guess */
+  return *roi;
+}
+
+static gboolean
+gimp_operation_histogram_sink_process (GeglOperation        *operation,
+                                       GeglOperationContext *context,
+                                       const gchar          *output_prop,
+                                       const GeglRectangle  *result,
+                                       gint                  level)
+{
+  GeglBuffer *input;
+  GeglBuffer *aux;
+
+  if (strcmp (output_prop, "output"))
+    {
+      g_warning ("requested processing of %s pad on a sink", output_prop);
+      return FALSE;
+    }
+
+  input = (GeglBuffer*) gegl_operation_context_dup_object (context, "input");
+  aux   = (GeglBuffer*) gegl_operation_context_dup_object (context, "aux");
+
+  if (! input)
+    {
+      g_warning ("received NULL input");
+
+      return FALSE;
+    }
+
+  if (aux)
+    {
+      /* do hist with mask */
+
+      g_printerr ("aux format: %s\n",
+                  babl_get_name (gegl_buffer_get_format (aux)));
+
+      g_object_unref (aux);
+    }
+  else
+    {
+      /* without */
+    }
+
+  g_printerr ("input format: %s\n",
+              babl_get_name (gegl_buffer_get_format (input)));
+
+  g_object_unref (input);
+
+  return TRUE;
+}