Esempi in C++ (Cpp) per gimp_image_new_from_component

Esempio n. 1

File: gimpdisplayshell-dnd.c Progetto: LebedevRI/gimp

static void
gimp_display_shell_drop_component (GtkWidget       *widget,
                                   gint             x,
                                   gint             y,
                                   GimpImage       *image,
                                   GimpChannelType  component,
                                   gpointer         data)
{
  GimpDisplayShell *shell      = GIMP_DISPLAY_SHELL (data);
  GimpImage        *dest_image = gimp_display_get_image (shell->display);
  GimpChannel      *channel;
  GimpItem         *new_item;
  const gchar      *desc;

  GIMP_LOG (DND, NULL);

  if (shell->display->gimp->busy)
    return;

  if (! dest_image)
    {
      dest_image = gimp_image_new_from_component (image->gimp,
                                                  image, component);
      gimp_create_display (dest_image->gimp, dest_image, GIMP_UNIT_PIXEL, 1.0,
                           G_OBJECT (gtk_widget_get_screen (widget)),
                           gimp_widget_get_monitor (widget));
      g_object_unref (dest_image);

      return;
    }

  channel = gimp_channel_new_from_component (image, component, NULL, NULL);

  new_item = gimp_item_convert (GIMP_ITEM (channel),
                                dest_image, GIMP_TYPE_LAYER);
  g_object_unref (channel);

  if (new_item)
    {
      GimpLayer *new_layer = GIMP_LAYER (new_item);

      gimp_enum_get_value (GIMP_TYPE_CHANNEL_TYPE, component,
                           NULL, NULL, &desc, NULL);
      gimp_object_take_name (GIMP_OBJECT (new_layer),
                             g_strdup_printf (_("%s Channel Copy"), desc));

      gimp_image_undo_group_start (dest_image, GIMP_UNDO_GROUP_EDIT_PASTE,
                                   _("Drop New Layer"));

      gimp_display_shell_dnd_position_item (shell, image, new_item);

      gimp_image_add_layer (dest_image, new_layer,
                            GIMP_IMAGE_ACTIVE_PARENT, -1, TRUE);

      gimp_image_undo_group_end (dest_image);

      gimp_display_shell_dnd_flush (shell, dest_image);
    }
}

Esempio n. 2

File: gimptoolbox-dnd.c Progetto: AjayRamanathan/gimp

static void
gimp_toolbox_drop_component (GtkWidget       *widget,
                             gint             x,
                             gint             y,
                             GimpImage       *image,
                             GimpChannelType  component,
                             gpointer         data)
{
  GimpContext *context = GIMP_CONTEXT (data);
  GimpImage   *new_image;

  if (context->gimp->busy)
    return;

  new_image = gimp_image_new_from_component (context->gimp,
                                             image, component);
  gimp_create_display (new_image->gimp, new_image, GIMP_UNIT_PIXEL, 1.0);
  g_object_unref (new_image);
}