C++ (Cpp) GIMP_PARAM_SPEC_ITEM_ID示例

示例#1

文件： procedure-commands.c 项目： AdamGrzonkowski/gimp-1

GimpValueArray *
procedure_commands_get_item_args (GimpProcedure *procedure,
                                  GimpImage     *image,
                                  GimpItem      *item)
{
  GimpValueArray *args;
  gint            n_args = 0;

  args = gimp_procedure_get_arguments (procedure);

  /* initialize the first argument  */
  g_value_set_int (gimp_value_array_index (args, n_args),
                   GIMP_RUN_INTERACTIVE);
  n_args++;

  if (gimp_value_array_length (args) > n_args &&
      GIMP_IS_PARAM_SPEC_IMAGE_ID (procedure->args[n_args]))
    {
      if (image)
        {
          gimp_value_set_image (gimp_value_array_index (args, n_args), image);
          n_args++;

          if (gimp_value_array_length (args) > n_args &&
              GIMP_IS_PARAM_SPEC_ITEM_ID (procedure->args[n_args]))
            {
              if (item &&
                  g_type_is_a (G_TYPE_FROM_INSTANCE (item),
                               GIMP_PARAM_SPEC_ITEM_ID (procedure->args[n_args])->item_type))
                {
                  gimp_value_set_item (gimp_value_array_index (args, n_args),
                                       item);
                  n_args++;
                }
              else
                {
                  g_warning ("Uh-oh, no active item for the plug-in!");
                  gimp_value_array_unref (args);
                  return NULL;
                }
            }
        }
    }

  gimp_value_array_truncate (args, n_args);

  return args;
}

示例#2

文件： plug-in-commands.c 项目： ApoorvKhatreja/gimp

static gint
plug_in_collect_item_args (GtkAction       *action,
                           GimpImage       *image,
                           GimpItem        *item,
                           GParamSpec     **pspecs,
                           GimpValueArray  *args,
                           gint             n_args)
{
  if (gimp_value_array_length (args) > n_args &&
      GIMP_IS_PARAM_SPEC_IMAGE_ID (pspecs[n_args]))
    {
      if (image)
        {
          gimp_value_set_image (gimp_value_array_index (args, n_args), image);
          n_args++;

          if (gimp_value_array_length (args) > n_args &&
              GIMP_IS_PARAM_SPEC_ITEM_ID (pspecs[n_args]))
            {
              if (item &&
                  g_type_is_a (G_TYPE_FROM_INSTANCE (item),
                               GIMP_PARAM_SPEC_ITEM_ID (pspecs[n_args])->item_type))
                {
                  gimp_value_set_item (gimp_value_array_index (args, n_args),
                                       item);
                  n_args++;
                }
              else
                {
                  g_warning ("Uh-oh, no active item for the plug-in!");
                  return -1;
                }
            }
        }
    }

  return n_args;
}