static void
gimp_guide_undo_pop (GimpUndo *undo,
GimpUndoMode undo_mode,
GimpUndoAccumulator *accum)
{
GimpGuideUndo *guide_undo = GIMP_GUIDE_UNDO (undo);
GimpOrientationType orientation;
gint position;
GIMP_UNDO_CLASS (parent_class)->pop (undo, undo_mode, accum);
orientation = gimp_guide_get_orientation (guide_undo->guide);
position = gimp_guide_get_position (guide_undo->guide);
/* add and move guides manually (nor using the gimp_image_guide
* API), because we might be in the middle of an image resizing
* undo group and the guide's position might be temporarily out of
* image.
*/
if (position == -1)
{
undo->image->guides = g_list_prepend (undo->image->guides,
guide_undo->guide);
gimp_guide_set_position (guide_undo->guide, guide_undo->position);
g_object_ref (guide_undo->guide);
gimp_image_update_guide (undo->image, guide_undo->guide);
}
else if (guide_undo->position == -1)
{
gimp_image_remove_guide (undo->image, guide_undo->guide, FALSE);
}
else
{
gimp_image_update_guide (undo->image, guide_undo->guide);
gimp_guide_set_position (guide_undo->guide, guide_undo->position);
gimp_image_update_guide (undo->image, guide_undo->guide);
}
gimp_guide_set_orientation (guide_undo->guide, guide_undo->orientation);
guide_undo->position = position;
guide_undo->orientation = orientation;
}
static void
gimp_image_map_tool_move_guide (GimpImageMapTool *im_tool)
{
GimpImageMapOptions *options = GIMP_IMAGE_MAP_TOOL_GET_OPTIONS (im_tool);
GimpItem *item;
GimpOrientationType orientation;
gint position;
if (! im_tool->percent_guide)
return;
item = GIMP_ITEM (im_tool->drawable);
if (options->preview_alignment == GIMP_ALIGN_LEFT ||
options->preview_alignment == GIMP_ALIGN_RIGHT)
{
orientation = GIMP_ORIENTATION_VERTICAL;
position = (gimp_item_get_offset_x (item) +
gimp_item_get_width (item) *
options->preview_position);
}
else
{
orientation = GIMP_ORIENTATION_HORIZONTAL;
position = (gimp_item_get_offset_y (item) +
gimp_item_get_height (item) *
options->preview_position);
}
if (orientation != gimp_guide_get_orientation (im_tool->percent_guide) ||
position != gimp_guide_get_position (im_tool->percent_guide))
{
gimp_guide_set_orientation (im_tool->percent_guide, orientation);
gimp_image_move_guide (gimp_item_get_image (item),
im_tool->percent_guide, position, FALSE);
}
}
static void
gimp_image_rotate_guides (GimpImage *image,
GimpRotationType rotate_type)
{
GList *list;
/* Rotate all Guides */
for (list = gimp_image_get_guides (image);
list;
list = g_list_next (list))
{
GimpGuide *guide = list->data;
GimpOrientationType orientation = gimp_guide_get_orientation (guide);
gint position = gimp_guide_get_position (guide);
switch (rotate_type)
{
case GIMP_ROTATE_90:
switch (orientation)
{
case GIMP_ORIENTATION_HORIZONTAL:
gimp_image_undo_push_guide (image, NULL, guide);
gimp_guide_set_orientation (guide, GIMP_ORIENTATION_VERTICAL);
gimp_guide_set_position (guide,
gimp_image_get_height (image) - position);
break;
case GIMP_ORIENTATION_VERTICAL:
gimp_image_undo_push_guide (image, NULL, guide);
gimp_guide_set_orientation (guide, GIMP_ORIENTATION_HORIZONTAL);
break;
default:
break;
}
break;
case GIMP_ROTATE_180:
switch (orientation)
{
case GIMP_ORIENTATION_HORIZONTAL:
gimp_image_move_guide (image, guide,
gimp_image_get_height (image) - position,
TRUE);
break;
case GIMP_ORIENTATION_VERTICAL:
gimp_image_move_guide (image, guide,
gimp_image_get_width (image) - position,
TRUE);
break;
default:
break;
}
break;
case GIMP_ROTATE_270:
switch (orientation)
{
case GIMP_ORIENTATION_HORIZONTAL:
gimp_image_undo_push_guide (image, NULL, guide);
gimp_guide_set_orientation (guide, GIMP_ORIENTATION_VERTICAL);
break;
case GIMP_ORIENTATION_VERTICAL:
gimp_image_undo_push_guide (image, NULL, guide);
gimp_guide_set_orientation (guide, GIMP_ORIENTATION_HORIZONTAL);
gimp_guide_set_position (guide,
gimp_image_get_width (image) - position);
break;
default:
break;
}
break;
}
}
}
