Exemplo n.º 1
0
static void
attach (GeglOperation *operation)
{
  GeglNode *gegl, *input, *output, *add, *multiply, *subtract, *blur;

  gegl = operation->node;

  input    = gegl_node_get_input_proxy (gegl, "input");
  output   = gegl_node_get_output_proxy (gegl, "output");
  add      = gegl_node_new_child (gegl, "operation", "gegl:add", NULL);
  multiply = gegl_node_new_child (gegl, "operation", "gegl:multiply", NULL);
  subtract = gegl_node_new_child (gegl, "operation", "gegl:subtract", NULL);
  blur     = gegl_node_new_child (gegl, "operation", "gegl:gaussian-blur", NULL);

  gegl_node_link_many (input, subtract, multiply, NULL);
  gegl_node_link (input, blur);
  gegl_node_link_many (multiply, add, output, NULL);

  gegl_node_connect_from (subtract, "aux",   blur,     "output");
  gegl_node_connect_from (add,      "aux",   input, "output");

  gegl_operation_meta_redirect (operation, "scale", multiply, "value");
  gegl_operation_meta_redirect (operation, "std-dev", blur, "std-dev-x");
  gegl_operation_meta_redirect (operation, "std-dev", blur, "std-dev-y");

  gegl_operation_meta_watch_nodes (operation, add, multiply, subtract, blur, NULL);
}
static void attach (GeglOperation *operation)
{
  GeglNode *gegl = operation->node;
  GeglNode *input, *output, *subtract, *blur1, *blur2;

  input    = gegl_node_get_input_proxy (gegl, "input");
  output   = gegl_node_get_output_proxy (gegl, "output");

  subtract = gegl_node_new_child (gegl,
                                  "operation", "gegl:subtract",
                                  NULL);

  blur1    = gegl_node_new_child (gegl,
                                  "operation", "gegl:gaussian-blur",
                                  NULL);

  blur2    = gegl_node_new_child (gegl,
                                  "operation", "gegl:gaussian-blur",
                                  NULL);

  gegl_node_link_many (input, blur1, subtract, output, NULL);
  gegl_node_link (input, blur2);

  gegl_node_connect_from (subtract, "aux", blur2, "output");

  gegl_operation_meta_redirect (operation, "radius1", blur1, "std-dev-x");
  gegl_operation_meta_redirect (operation, "radius1", blur1, "std-dev-y");
  gegl_operation_meta_redirect (operation, "radius2", blur2, "std-dev-x");
  gegl_operation_meta_redirect (operation, "radius2", blur2, "std-dev-y");

  gegl_operation_meta_watch_nodes (operation, subtract, blur1, blur2, NULL);
}
Exemplo n.º 3
0
static void
attach (GeglOperation *operation)
{
  GeglNode *gegl, *input, *output, *invert, *blur, *opacity, *over, *contrast;

  gegl = operation->node;
  input = gegl_node_get_input_proxy (gegl, "input");
  output = gegl_node_get_output_proxy (gegl, "output");
  invert = gegl_node_new_child (gegl, "operation", "gegl:invert-linear", NULL);
  blur = gegl_node_new_child (gegl, "operation", "gegl:gaussian-blur", NULL);
  opacity = gegl_node_new_child (gegl, "operation", "gegl:opacity",
                                 "value", 0.5, NULL);
  over = gegl_node_new_child (gegl, "operation", "gegl:over", NULL);
  contrast = gegl_node_new_child (gegl, "operation",
                                  "gegl:brightness-contrast", NULL);

  gegl_node_link_many (input, invert, blur, opacity, NULL);
  gegl_node_connect_to (opacity, "output", over, "aux");
  gegl_node_link_many (input, over, contrast, output, NULL);

  gegl_operation_meta_redirect (operation, "std-dev", blur, "std-dev-x");
  gegl_operation_meta_redirect (operation, "std-dev", blur, "std-dev-y");
  gegl_operation_meta_redirect (operation, "contrast", contrast, "contrast");

  gegl_operation_meta_watch_nodes (operation, invert, blur, opacity, over, contrast, NULL);
}
Exemplo n.º 4
0
static void
attach (GeglOperation *operation)
{
  /**
   * <input (BG)>                <aux (FG)>
   *    |"output"             "output"|
   *    |                             |
   *    | "input"             "aux"   |
   *    +-----> <seamless-clone> <----+
   *    |           "output"|
   *    |                   |
   *    | "input"    "aux"  |
   *    +---> <overlay> <---+
   *            |"output"
   *            v
   *         <output>
   */
  GeglNode *gegl = operation->node;
  GeglNode *input, *aux, *seamless, *overlay, *output;

  input = gegl_node_get_input_proxy (gegl, "input");
  aux = gegl_node_get_input_proxy (gegl, "aux");
  seamless = gegl_node_new_child (gegl, "operation", "gegl:seamless-clone", NULL);
  /* Don't use a regular gegl:over, since we want the alpha to be set
   * by the background buffer - we need this for area which had opacity
   * which was more than half but not fulll. */
  overlay = gegl_node_new_child (gegl, "operation", "svg:src-atop", NULL);
  output = gegl_node_get_output_proxy (gegl, "output");
 
  gegl_node_connect_to (input, "output", seamless, "input");
  gegl_node_connect_to (aux, "output", seamless, "aux");
  gegl_node_connect_to (input, "output", overlay, "input");
  gegl_node_connect_to (seamless, "output", overlay, "aux");
  gegl_node_connect_to (overlay, "output", output, "input");

  gegl_operation_meta_redirect (operation, "max-refine-scale", seamless, "max-refine-scale");
  gegl_operation_meta_redirect (operation, "xoff", seamless, "xoff");
  gegl_operation_meta_redirect (operation, "yoff", seamless, "yoff");
  gegl_operation_meta_redirect (operation, "error-msg", seamless, "error-msg");

  gegl_operation_meta_watch_nodes (operation, seamless, overlay, NULL);
}
Exemplo n.º 5
0
static void attach (GeglOperation *operation)
{
    GeglNode *gegl = operation->node;
    GeglNode *output, *color, *crop;

    output = gegl_node_get_output_proxy (gegl, "output");

    color = gegl_node_new_child (gegl, "operation", "gegl:color", NULL);
    crop  = gegl_node_new_child (gegl, "operation", "gegl:crop", NULL);

    gegl_operation_meta_watch_node (operation, color);
    gegl_operation_meta_watch_node (operation, crop);

    gegl_node_link_many (color, crop, output, NULL);

    gegl_operation_meta_redirect (operation, "color", color, "value");
    gegl_operation_meta_redirect (operation, "x", crop, "x");
    gegl_operation_meta_redirect (operation, "y", crop, "y");
    gegl_operation_meta_redirect (operation, "width", crop, "width");
    gegl_operation_meta_redirect (operation, "height", crop, "height");
}
Exemplo n.º 6
0
static void attach (GeglOperation *operation)
{
  GeglChantO *o = GEGL_CHANT_PROPERTIES (operation);
  Priv       *priv = g_new0 (Priv, 1);

  o->chant_data = (void*) priv;

  if (!priv->blur1)
    {
      GeglNode      *gegl;
      gegl = operation->node;

      priv->input    = gegl_node_get_input_proxy (gegl, "input");
      priv->output   = gegl_node_get_output_proxy (gegl, "output");

      priv->subtract = gegl_node_new_child (gegl,
                                            "operation", "gegl:subtract",
                                            NULL);

      priv->blur1    = gegl_node_new_child (gegl,
                                            "operation", "gegl:gaussian-blur",
                                            NULL);

      priv->blur2    = gegl_node_new_child (gegl,
                                            "operation", "gegl:gaussian-blur",
                                            NULL);

      gegl_node_link_many (priv->input, priv->blur1, priv->subtract, priv->output, NULL);
      gegl_node_link (priv->input, priv->blur2);

      gegl_node_connect_from (priv->subtract, "aux",   priv->blur2,     "output");

      gegl_operation_meta_redirect (operation, "radius1", priv->blur1, "std-dev-x");
      gegl_operation_meta_redirect (operation, "radius1", priv->blur1, "std-dev-y");
      gegl_operation_meta_redirect (operation, "radius2", priv->blur2, "std-dev-x");
      gegl_operation_meta_redirect (operation, "radius2", priv->blur2, "std-dev-y");
    }
}
Exemplo n.º 7
0
/* in attach we hook into graph adding the needed nodes */
static void
attach (GeglOperation *operation)
{
  GeglNode  *gegl = operation->node;
  GeglNode  *input, *output, *over, *translate, *opacity, *blur, *darken, *color;
  GeglColor *black_color = gegl_color_new ("rgb(0.0,0.0,0.0)");

  input     = gegl_node_get_input_proxy (gegl, "input");
  output    = gegl_node_get_output_proxy (gegl, "output");
  over      = gegl_node_new_child (gegl, "operation", "gegl:over", NULL);
  translate = gegl_node_new_child (gegl, "operation", "gegl:translate", NULL);
  opacity   = gegl_node_new_child (gegl, "operation", "gegl:opacity", NULL);
  blur      = gegl_node_new_child (gegl, "operation", "gegl:gaussian-blur", 
                                         "clip-extent", FALSE, 
                                         "abyss-policy", 0,
                                         NULL);
  darken    = gegl_node_new_child (gegl, "operation", "gegl:src-in", NULL);
  color     = gegl_node_new_child (gegl, "operation", "gegl:color",
                                   "value", black_color,
                                   NULL);

  g_object_unref (black_color);

  gegl_node_link_many (input, darken, blur, opacity, translate, over, output,
                       NULL);
  gegl_node_connect_from (over, "aux", input, "output");
  gegl_node_connect_from (darken, "aux", color, "output");

  gegl_operation_meta_redirect (operation, "radius", blur, "std-dev-x");
  gegl_operation_meta_redirect (operation, "radius", blur, "std-dev-y");
  gegl_operation_meta_redirect (operation, "x", translate, "x");
  gegl_operation_meta_redirect (operation, "y", translate, "y");
  gegl_operation_meta_redirect (operation, "color", color, "value");
  gegl_operation_meta_redirect (operation, "opacity", opacity, "value");

  gegl_operation_meta_watch_nodes (operation,
                                   over, translate, opacity,
                                   blur, darken, color,
                                   NULL);
}
Exemplo n.º 8
0
Arquivo: json.c Projeto: GNOME/gegl
static void
attach (GeglOperation *operation)
{
  JsonOp *self = (JsonOp *)operation;
  GeglNode  *gegl = operation->node;
  JsonArray *connections;
  GList *l;

  // Processes
  JsonObject *root = self->json_root;
  JsonObject *processes = json_object_get_object_member(root, "processes");

  GList *process_names = json_object_get_members(processes);
  for (l = process_names; l != NULL; l = l->next) {
      const gchar *name = l->data;
      JsonObject *proc = json_object_get_object_member(processes, name);
      const gchar *component = json_object_get_string_member(proc, "component");
      gchar *opname = component2geglop(component);

      GeglNode *node = gegl_node_new_child (gegl, "operation", opname, NULL);
      gegl_operation_meta_watch_node (operation, node);
      g_assert(node);
      g_hash_table_insert(self->nodes, (gpointer)g_strdup(name), (gpointer)node);
      g_free(opname);
  }
  g_list_free(process_names);

  // Connections
  connections = json_object_get_array_member(root, "connections");
  g_assert(connections);
  for (int i=0; i<json_array_get_length(connections); i++) {
      JsonObject *conn = json_array_get_object_element(connections, i);
      JsonObject *tgt = json_object_get_object_member(conn, "tgt");
      const gchar *tgt_proc = json_object_get_string_member(tgt, "process");
      const gchar *tgt_port = json_object_get_string_member(tgt, "port");
      GeglNode *tgt_node = g_hash_table_lookup(self->nodes, tgt_proc);
      JsonNode *srcnode;

      g_assert(tgt_node);

      srcnode = json_object_get_member(conn, "src");
      if (srcnode) {
          // Connection
          JsonObject *src = json_object_get_object_member(conn, "src");
          const gchar *src_proc = json_object_get_string_member(src, "process");
          const gchar *src_port = json_object_get_string_member(src, "port");
          GeglNode *src_node = g_hash_table_lookup(self->nodes, src_proc);

          g_assert(src_node);

          gegl_node_connect_to (src_node, src_port, tgt_node, tgt_port);
      } else {
          // IIP
          JsonNode *datanode = json_object_get_member(conn, "data");
          GValue value = G_VALUE_INIT;
          GParamSpec *paramspec;

          g_assert(JSON_NODE_HOLDS_VALUE(datanode));
          json_node_get_value(datanode, &value);
          paramspec = gegl_node_find_property(tgt_node, tgt_port);

          set_prop(tgt_node, tgt_port, paramspec, &value);
          g_value_unset(&value);
      }
  }


  // Exported ports
  if (json_object_has_member(root, "inports")) {
      JsonObject *inports = json_object_get_object_member(root, "inports");
      GList *inport_names = json_object_get_members(inports);
      for (l = inport_names; l != NULL; l = l->next) {
          const gchar *name = l->data;
          JsonObject *conn = json_object_get_object_member(inports, name);
          const gchar *proc = json_object_get_string_member(conn, "process");
          const gchar *port = json_object_get_string_member(conn, "port");
          GeglNode *node = g_hash_table_lookup(self->nodes, proc);

          g_assert(node);

          if (g_strcmp0(name, "input") == 0) {
              GeglNode *input = gegl_node_get_input_proxy (gegl, "input");
              gegl_node_connect_to (input, "output", node, "input");
          } else {
            gegl_operation_meta_redirect (operation, name, node, port);
          }
      }

      g_list_free(inport_names);
  }

  if (json_object_has_member(root, "outports")) {
      JsonObject *outports = json_object_get_object_member(root, "outports");
      GList *outport_names = json_object_get_members(outports);
      for (l = outport_names; l != NULL; l = l->next) {
          const gchar *name = l->data;
          JsonObject *conn = json_object_get_object_member(outports, name);
          const gchar *proc = json_object_get_string_member(conn, "process");
          const gchar *port = json_object_get_string_member(conn, "port");
          GeglNode *node = g_hash_table_lookup(self->nodes, proc);
          g_assert(node);

          if (g_strcmp0(name, "output") == 0) {
            GeglNode *proxy = gegl_node_get_output_proxy (gegl, "output");
            gegl_node_connect_to (node, port, proxy, "input");
          } else {
            g_warning("Unsupported output '%s' exported in .json file", name);
          }
      }

      g_list_free(outport_names);
  }

}