C++ (Cpp) gimp_sample_point_set_position Examples

Example #1

File: gimpimage-rotate.c Project: AdamGrzonkowski/gimp-1

static void
gimp_image_rotate_sample_points (GimpImage        *image,
                                 GimpRotationType  rotate_type)
{
  GList *list;

  /*  Rotate all sample points  */
  for (list = gimp_image_get_sample_points (image);
       list;
       list = g_list_next (list))
    {
      GimpSamplePoint *sample_point = list->data;
      gint             old_x;
      gint             old_y;

      gimp_image_undo_push_sample_point (image, NULL, sample_point);

      gimp_sample_point_get_position (sample_point, &old_x, &old_y);

      switch (rotate_type)
        {
        case GIMP_ROTATE_90:
          gimp_sample_point_set_position (sample_point,
                                          gimp_image_get_height (image) - old_y,
                                          old_x);
          break;

        case GIMP_ROTATE_180:
          gimp_sample_point_set_position (sample_point,
                                          gimp_image_get_width  (image) - old_x,
                                          gimp_image_get_height (image) - old_y);
          break;

        case GIMP_ROTATE_270:
          gimp_sample_point_set_position (sample_point,
                                          old_y,
                                          gimp_image_get_width (image) - old_x);
          break;
        }
    }
}

Example #2

File: gimpsamplepointundo.c Project: jiapei100/gimp

static void
gimp_sample_point_undo_pop (GimpUndo              *undo,
                            GimpUndoMode           undo_mode,
                            GimpUndoAccumulator   *accum)
{
  GimpSamplePointUndo *sample_point_undo = GIMP_SAMPLE_POINT_UNDO (undo);
  GimpSamplePoint     *sample_point;
  gint                 x;
  gint                 y;
  GimpColorPickMode    pick_mode;

  GIMP_UNDO_CLASS (parent_class)->pop (undo, undo_mode, accum);

  sample_point = GIMP_SAMPLE_POINT (GIMP_AUX_ITEM_UNDO (undo)->aux_item);

  gimp_sample_point_get_position (sample_point, &x, &y);
  pick_mode = gimp_sample_point_get_pick_mode (sample_point);

  if (x == GIMP_SAMPLE_POINT_POSITION_UNDEFINED)
    {
      gimp_image_add_sample_point (undo->image,
                                   sample_point,
                                   sample_point_undo->x,
                                   sample_point_undo->y);
    }
  else if (sample_point_undo->x == GIMP_SAMPLE_POINT_POSITION_UNDEFINED)
    {
      gimp_image_remove_sample_point (undo->image, sample_point, FALSE);
    }
  else
    {
      gimp_sample_point_set_position (sample_point,
                                      sample_point_undo->x,
                                      sample_point_undo->y);
      gimp_sample_point_set_pick_mode (sample_point,
                                       sample_point_undo->pick_mode);

      gimp_image_sample_point_moved (undo->image, sample_point);
    }

  sample_point_undo->x         = x;
  sample_point_undo->y         = y;
  sample_point_undo->pick_mode = pick_mode;
}