void
drawable_flip_cmd_callback (GtkAction *action,
                            gint       value,
                            gpointer   data)
{
  GimpImage    *image;
  GimpDrawable *drawable;
  GimpItem     *item;
  GimpContext  *context;
  gint          off_x, off_y;
  gdouble       axis = 0.0;
  return_if_no_drawable (image, drawable, data);
  return_if_no_context (context, data);

  item = GIMP_ITEM (drawable);

  gimp_item_get_offset (item, &off_x, &off_y);

  switch ((GimpOrientationType) value)
    {
    case GIMP_ORIENTATION_HORIZONTAL:
      axis = ((gdouble) off_x + (gdouble) gimp_item_get_width (item) / 2.0);
      break;

    case GIMP_ORIENTATION_VERTICAL:
      axis = ((gdouble) off_y + (gdouble) gimp_item_get_height (item) / 2.0);
      break;

    default:
      break;
    }

  if (gimp_item_get_linked (item))
    {
      gimp_item_linked_flip (item, context,
                             (GimpOrientationType) value, axis, FALSE);
    }
  else
    {
      gimp_item_flip (item, context,
                      (GimpOrientationType) value, axis, FALSE);
    }

  gimp_image_flush (image);
}
Beispiel #2
0
static GeglBuffer *
gimp_flip_tool_transform (GimpTransformTool *tr_tool,
                          GimpItem          *active_item,
                          GeglBuffer        *orig_buffer,
                          gint               orig_offset_x,
                          gint               orig_offset_y,
                          GimpColorProfile **buffer_profile,
                          gint              *new_offset_x,
                          gint              *new_offset_y)
{
  GimpFlipTool         *flip        = GIMP_FLIP_TOOL (tr_tool);
  GimpFlipOptions      *options     = GIMP_FLIP_TOOL_GET_OPTIONS (tr_tool);
  GimpTransformOptions *tr_options  = GIMP_TRANSFORM_TOOL_GET_OPTIONS (tr_tool);
  GimpContext          *context     = GIMP_CONTEXT (options);
  GimpOrientationType   flip_type   = GIMP_ORIENTATION_UNKNOWN;
  gdouble               axis        = 0.0;
  gboolean              clip_result = FALSE;
  GeglBuffer           *ret         = NULL;

  flip_type = gimp_flip_tool_get_flip_type (flip);

  if (flip->guide)
    {
      axis = gimp_guide_get_position (flip->guide);
    }
  else
    {
      switch (flip_type)
        {
        case GIMP_ORIENTATION_HORIZONTAL:
          axis = ((gdouble) tr_tool->x1 +
                  (gdouble) (tr_tool->x2 - tr_tool->x1) / 2.0);
          break;

        case GIMP_ORIENTATION_VERTICAL:
          axis = ((gdouble) tr_tool->y1 +
                  (gdouble) (tr_tool->y2 - tr_tool->y1) / 2.0);
          break;

        default:
          break;
        }
    }

  switch (tr_options->clip)
    {
    case GIMP_TRANSFORM_RESIZE_ADJUST:
      clip_result = FALSE;
      break;

    case GIMP_TRANSFORM_RESIZE_CLIP:
      clip_result = TRUE;
      break;

    default:
      g_return_val_if_reached (NULL);
    }

  if (orig_buffer)
    {
      /*  this happens when transforming a selection cut out of a
       *  normal drawable, or the selection
       */

      /*  always clip the selection and unfloated channels
       *  so they keep their size
       */
      if (GIMP_IS_CHANNEL (active_item) &&
          ! babl_format_has_alpha (gegl_buffer_get_format (orig_buffer)))
        clip_result = TRUE;

      ret = gimp_drawable_transform_buffer_flip (GIMP_DRAWABLE (active_item),
                                                 context,
                                                 orig_buffer,
                                                 orig_offset_x,
                                                 orig_offset_y,
                                                 flip_type, axis,
                                                 clip_result,
                                                 buffer_profile,
                                                 new_offset_x,
                                                 new_offset_y);
    }
  else
    {
      /*  this happens for entire drawables, paths and layer groups  */

      /*  always clip layer masks so they keep their size
       */
      if (GIMP_IS_CHANNEL (active_item))
        clip_result = TRUE;

      if (gimp_item_get_linked (active_item))
        {
          gimp_item_linked_flip (active_item, context,
                                 flip_type, axis, clip_result);
        }
      else
        {
          gimp_item_flip (active_item, context,
                          flip_type, axis, clip_result);
        }
    }

  return ret;
}
Beispiel #3
0
static TileManager *
gimp_flip_tool_transform (GimpTransformTool *trans_tool,
                          GimpItem          *active_item,
                          gboolean           mask_empty,
                          GimpDisplay       *display)
{
  GimpFlipOptions      *options    = GIMP_FLIP_TOOL_GET_OPTIONS (trans_tool);
  GimpTransformOptions *tr_options = GIMP_TRANSFORM_OPTIONS (options);
  GimpContext          *context    = GIMP_CONTEXT (options);
  gdouble               axis       = 0.0;
  TileManager          *ret        = NULL;

  switch (options->flip_type)
    {
    case GIMP_ORIENTATION_HORIZONTAL:
      axis = ((gdouble) trans_tool->x1 +
              (gdouble) (trans_tool->x2 - trans_tool->x1) / 2.0);
      break;

    case GIMP_ORIENTATION_VERTICAL:
      axis = ((gdouble) trans_tool->y1 +
              (gdouble) (trans_tool->y2 - trans_tool->y1) / 2.0);
      break;

    default:
      break;
    }

  if (gimp_item_get_linked (active_item))
    gimp_item_linked_flip (active_item, context, options->flip_type, axis,
                           FALSE);

  if (GIMP_IS_LAYER (active_item) &&
      gimp_layer_get_mask (GIMP_LAYER (active_item)) &&
      mask_empty)
    {
      GimpLayerMask *mask = gimp_layer_get_mask (GIMP_LAYER (active_item));

      gimp_item_flip (GIMP_ITEM (mask), context,
                      options->flip_type, axis, FALSE);
    }

  switch (tr_options->type)
    {
    case GIMP_TRANSFORM_TYPE_LAYER:
    case GIMP_TRANSFORM_TYPE_SELECTION:
      if (trans_tool->original)
        ret = gimp_drawable_transform_tiles_flip (GIMP_DRAWABLE (active_item),
                                                  context,
                                                  trans_tool->original,
                                                  options->flip_type, axis,
                                                  FALSE);
      break;

    case GIMP_TRANSFORM_TYPE_PATH:
      gimp_item_flip (active_item, context, options->flip_type, axis, FALSE);
      break;
    }

  return ret;
}