Adding upstream version 2.10.36.upstream/2.10.36

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

1 files changed, 260 insertions, 0 deletions

diff --git a/app/gegl/gimp-gegl-nodes.c b/app/gegl/gimp-gegl-nodes.c
new file mode 100644
index 0000000..5067da2
--- /dev/null
+++ b/app/gegl/gimp-gegl-nodes.c
@@ -0,0 +1,260 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * gimp-gegl-nodes.h
+ * Copyright (C) 2012 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 <gegl.h>
+
+#include "gimp-gegl-types.h"
+
+#include "operations/layer-modes/gimp-layer-modes.h"
+
+#include "gimp-gegl-nodes.h"
+#include "gimp-gegl-utils.h"
+
+
+GeglNode *
+gimp_gegl_create_flatten_node (const GimpRGB       *background,
+                               GimpLayerColorSpace  composite_space)
+{
+  GeglNode  *node;
+  GeglNode  *input;
+  GeglNode  *output;
+  GeglNode  *color;
+  GeglNode  *mode;
+  GeglColor *c;
+
+  g_return_val_if_fail (background != NULL, NULL);
+  g_return_val_if_fail (composite_space == GIMP_LAYER_COLOR_SPACE_RGB_LINEAR ||
+                        composite_space == GIMP_LAYER_COLOR_SPACE_RGB_PERCEPTUAL,
+                        NULL);
+
+  node = gegl_node_new ();
+
+  input  = gegl_node_get_input_proxy  (node, "input");
+  output = gegl_node_get_output_proxy (node, "output");
+
+  c = gimp_gegl_color_new (background);
+  color = gegl_node_new_child (node,
+                               "operation", "gegl:color",
+                               "value",     c,
+                               "format",    gimp_layer_mode_get_format (
+                                              GIMP_LAYER_MODE_NORMAL,
+                                              GIMP_LAYER_COLOR_SPACE_AUTO,
+                                              composite_space,
+                                              GIMP_LAYER_COMPOSITE_AUTO,
+                                              NULL),
+                               NULL);
+  g_object_unref (c);
+
+  gimp_gegl_node_set_underlying_operation (node, color);
+
+  mode = gegl_node_new_child (node,
+                              "operation", "gimp:normal",
+                              NULL);
+  gimp_gegl_mode_node_set_mode (mode,
+                                GIMP_LAYER_MODE_NORMAL,
+                                GIMP_LAYER_COLOR_SPACE_AUTO,
+                                composite_space,
+                                GIMP_LAYER_COMPOSITE_AUTO);
+
+  gegl_node_connect_to (input,  "output",
+                        mode,   "aux");
+  gegl_node_connect_to (color,  "output",
+                        mode,   "input");
+  gegl_node_connect_to (mode,   "output",
+                        output, "input");
+
+  return node;
+}
+
+GeglNode *
+gimp_gegl_create_apply_opacity_node (GeglBuffer *mask,
+                                     gint        mask_offset_x,
+                                     gint        mask_offset_y,
+                                     gdouble     opacity)
+{
+  GeglNode  *node;
+  GeglNode  *input;
+  GeglNode  *output;
+  GeglNode  *opacity_node;
+  GeglNode  *mask_source;
+
+  g_return_val_if_fail (GEGL_IS_BUFFER (mask), NULL);
+
+  node = gegl_node_new ();
+
+  input  = gegl_node_get_input_proxy  (node, "input");
+  output = gegl_node_get_output_proxy (node, "output");
+
+  opacity_node = gegl_node_new_child (node,
+                                      "operation", "gegl:opacity",
+                                      "value",     opacity,
+                                      NULL);
+
+  gimp_gegl_node_set_underlying_operation (node, opacity_node);
+
+  mask_source = gimp_gegl_add_buffer_source (node, mask,
+                                             mask_offset_x,
+                                             mask_offset_y);
+
+  gegl_node_connect_to (input,        "output",
+                        opacity_node, "input");
+  gegl_node_connect_to (mask_source,  "output",
+                        opacity_node, "aux");
+  gegl_node_connect_to (opacity_node, "output",
+                        output,       "input");
+
+  return node;
+}
+
+GeglNode *
+gimp_gegl_create_transform_node (const GimpMatrix3 *matrix)
+{
+  GeglNode *node;
+
+  g_return_val_if_fail (matrix != NULL, NULL);
+
+  node = gegl_node_new_child (NULL,
+                              "operation", "gegl:transform",
+                              NULL);
+
+  gimp_gegl_node_set_matrix (node, matrix);
+
+  return node;
+}
+
+GeglNode *
+gimp_gegl_add_buffer_source (GeglNode   *parent,
+                             GeglBuffer *buffer,
+                             gint        offset_x,
+                             gint        offset_y)
+{
+  GeglNode *buffer_source;
+
+  g_return_val_if_fail (GEGL_IS_NODE (parent), NULL);
+  g_return_val_if_fail (GEGL_IS_BUFFER (buffer), NULL);
+
+  buffer_source = gegl_node_new_child (parent,
+                                       "operation", "gegl:buffer-source",
+                                       "buffer",    buffer,
+                                       NULL);
+
+  if (offset_x != 0 || offset_y != 0)
+    {
+      GeglNode *translate =
+        gegl_node_new_child (parent,
+                             "operation", "gegl:translate",
+                             "x",         (gdouble) offset_x,
+                             "y",         (gdouble) offset_y,
+                             NULL);
+
+      gegl_node_connect_to (buffer_source, "output",
+                            translate,     "input");
+
+      buffer_source = translate;
+    }
+
+  return buffer_source;
+}
+
+void
+gimp_gegl_mode_node_set_mode (GeglNode               *node,
+                              GimpLayerMode           mode,
+                              GimpLayerColorSpace     blend_space,
+                              GimpLayerColorSpace     composite_space,
+                              GimpLayerCompositeMode  composite_mode)
+{
+  gdouble opacity;
+
+  g_return_if_fail (GEGL_IS_NODE (node));
+
+  if (blend_space == GIMP_LAYER_COLOR_SPACE_AUTO)
+    blend_space = gimp_layer_mode_get_blend_space (mode);
+
+  if (composite_space == GIMP_LAYER_COLOR_SPACE_AUTO)
+    composite_space = gimp_layer_mode_get_composite_space (mode);
+
+  if (composite_mode == GIMP_LAYER_COMPOSITE_AUTO)
+    composite_mode = gimp_layer_mode_get_composite_mode (mode);
+
+  gegl_node_get (node,
+                 "opacity", &opacity,
+                 NULL);
+
+  /* setting the operation creates a new instance, so we have to set
+   * all its properties
+   */
+  gegl_node_set (node,
+                 "operation",       gimp_layer_mode_get_operation (mode),
+                 "layer-mode",      mode,
+                 "opacity",         opacity,
+                 "blend-space",     blend_space,
+                 "composite-space", composite_space,
+                 "composite-mode",  composite_mode,
+                 NULL);
+}
+
+void
+gimp_gegl_mode_node_set_opacity (GeglNode *node,
+                                 gdouble   opacity)
+{
+  g_return_if_fail (GEGL_IS_NODE (node));
+
+  gegl_node_set (node,
+                 "opacity", opacity,
+                 NULL);
+}
+
+void
+gimp_gegl_node_set_matrix (GeglNode          *node,
+                           const GimpMatrix3 *matrix)
+{
+  gchar *matrix_string;
+
+  g_return_if_fail (GEGL_IS_NODE (node));
+  g_return_if_fail (matrix != NULL);
+
+  matrix_string = gegl_matrix3_to_string ((GeglMatrix3 *) matrix);
+
+  gegl_node_set (node,
+                 "transform", matrix_string,
+                 NULL);
+
+  g_free (matrix_string);
+}
+
+void
+gimp_gegl_node_set_color (GeglNode      *node,
+                          const GimpRGB *color)
+{
+  GeglColor *gegl_color;
+
+  g_return_if_fail (GEGL_IS_NODE (node));
+  g_return_if_fail (color != NULL);
+
+  gegl_color = gimp_gegl_color_new (color);
+
+  gegl_node_set (node,
+                 "value", gegl_color,
+                 NULL);
+
+  g_object_unref (gegl_color);
+}