void
floating_sel_anchor (GimpLayer *layer)
{
GimpImage *image;
GimpDrawable *drawable;
GimpFilter *filter = NULL;
gint off_x, off_y;
gint dr_off_x, dr_off_y;
g_return_if_fail (GIMP_IS_LAYER (layer));
g_return_if_fail (gimp_layer_is_floating_sel (layer));
/* Don't let gimp_image_remove_layer free the layer while we still need it */
g_object_ref (layer);
image = gimp_item_get_image (GIMP_ITEM (layer));
gimp_image_undo_group_start (image, GIMP_UNDO_GROUP_FS_ANCHOR,
C_("undo-type", "Anchor Floating Selection"));
drawable = gimp_layer_get_floating_sel_drawable (layer);
gimp_item_get_offset (GIMP_ITEM (layer), &off_x, &off_y);
gimp_item_get_offset (GIMP_ITEM (drawable), &dr_off_x, &dr_off_y);
if (gimp_item_get_visible (GIMP_ITEM (layer)) &&
gimp_rectangle_intersect (off_x, off_y,
gimp_item_get_width (GIMP_ITEM (layer)),
gimp_item_get_height (GIMP_ITEM (layer)),
dr_off_x, dr_off_y,
gimp_item_get_width (GIMP_ITEM (drawable)),
gimp_item_get_height (GIMP_ITEM (drawable)),
NULL, NULL, NULL, NULL))
{
filter = gimp_drawable_get_floating_sel_filter (drawable);
g_object_ref (filter);
}
/* first remove the filter, then merge it, or we will get warnings
* about already connected nodes
*/
gimp_image_remove_layer (image, layer, TRUE, NULL);
if (filter)
{
gimp_drawable_merge_filter (drawable, filter, NULL, NULL);
g_object_unref (filter);
}
gimp_image_undo_group_end (image);
/* invalidate the boundaries */
gimp_drawable_invalidate_boundary (GIMP_DRAWABLE (gimp_image_get_mask (image)));
g_object_unref (layer);
}
void
floating_sel_to_layer (GimpLayer *layer)
{
GimpItem *item;
GimpImage *image;
g_return_if_fail (GIMP_IS_LAYER (layer));
g_return_if_fail (gimp_layer_is_floating_sel (layer));
item = GIMP_ITEM (layer);
if (! (image = gimp_item_get_image (item)))
return;
/* Check if the floating layer belongs to a channel... */
if (GIMP_IS_CHANNEL (layer->fs.drawable))
{
gimp_message (image->gimp, NULL, GIMP_MESSAGE_WARNING,
_("Cannot create a new layer from the floating selection "
"because it belongs to a layer mask or channel."));
return;
}
gimp_image_undo_group_start (image, GIMP_UNDO_GROUP_FS_TO_LAYER,
_("Floating Selection to Layer"));
/* restore the contents of the drawable */
floating_sel_restore (layer,
item->offset_x,
item->offset_y,
item->width,
item->height);
gimp_image_undo_push_fs_to_layer (image, NULL, layer);
/* clear the selection */
gimp_drawable_invalidate_boundary (GIMP_DRAWABLE (layer));
/* Set pointers */
layer->fs.drawable = NULL;
image->floating_sel = NULL;
gimp_item_set_visible (GIMP_ITEM (layer), TRUE, TRUE);
gimp_layer_set_lock_alpha (layer, FALSE, TRUE);
gimp_image_undo_group_end (image);
gimp_object_name_changed (GIMP_OBJECT (layer));
gimp_drawable_update (GIMP_DRAWABLE (layer),
0, 0,
GIMP_ITEM (layer)->width,
GIMP_ITEM (layer)->height);
gimp_image_floating_selection_changed (image);
}
void
floating_sel_anchor (GimpLayer *layer)
{
GimpImage *image;
GimpDrawable *drawable;
g_return_if_fail (GIMP_IS_LAYER (layer));
g_return_if_fail (gimp_layer_is_floating_sel (layer));
image = gimp_item_get_image (GIMP_ITEM (layer));
if (! gimp_layer_is_floating_sel (layer))
{
gimp_message (image->gimp, NULL, GIMP_MESSAGE_WARNING,
_("Cannot anchor this layer because "
"it is not a floating selection."));
return;
}
/* Start a floating selection anchoring undo */
gimp_image_undo_group_start (image, GIMP_UNDO_GROUP_FS_ANCHOR,
_("Anchor Floating Selection"));
/* Invalidate the previews of the layer that will be composited
* with the floating section.
*/
gimp_viewable_invalidate_preview (GIMP_VIEWABLE (layer->fs.drawable));
/* Relax the floating selection */
floating_sel_relax (layer, TRUE);
/* Composite the floating selection contents */
floating_sel_composite (layer,
GIMP_ITEM (layer)->offset_x,
GIMP_ITEM (layer)->offset_y,
GIMP_ITEM (layer)->width,
GIMP_ITEM (layer)->height, TRUE);
drawable = layer->fs.drawable;
/* remove the floating selection */
gimp_image_remove_layer (image, layer);
/* end the group undo */
gimp_image_undo_group_end (image);
/* invalidate the boundaries */
gimp_drawable_invalidate_boundary (GIMP_DRAWABLE (gimp_image_get_mask (image)));
}
static void
gimp_image_undo_pop (GimpUndo *undo,
GimpUndoMode undo_mode,
GimpUndoAccumulator *accum)
{
GimpImageUndo *image_undo = GIMP_IMAGE_UNDO (undo);
GimpImage *image = undo->image;
GimpImagePrivate *private = GIMP_IMAGE_GET_PRIVATE (image);
GIMP_UNDO_CLASS (parent_class)->pop (undo, undo_mode, accum);
switch (undo->undo_type)
{
case GIMP_UNDO_IMAGE_TYPE:
{
GimpImageBaseType base_type;
base_type = image_undo->base_type;
image_undo->base_type = gimp_image_base_type (image);
g_object_set (image, "base-type", base_type, NULL);
gimp_image_colormap_changed (image, -1);
if (image_undo->base_type != gimp_image_base_type (image))
accum->mode_changed = TRUE;
}
break;
case GIMP_UNDO_IMAGE_SIZE:
{
gint width;
gint height;
gint previous_origin_x;
gint previous_origin_y;
gint previous_width;
gint previous_height;
width = image_undo->width;
height = image_undo->height;
previous_origin_x = image_undo->previous_origin_x;
previous_origin_y = image_undo->previous_origin_y;
previous_width = image_undo->previous_width;
previous_height = image_undo->previous_height;
/* Transform to a redo */
image_undo->width = gimp_image_get_width (image);
image_undo->height = gimp_image_get_height (image);
image_undo->previous_origin_x = -previous_origin_x;
image_undo->previous_origin_y = -previous_origin_y;
image_undo->previous_width = width;
image_undo->previous_height = height;
g_object_set (image,
"width", width,
"height", height,
NULL);
gimp_drawable_invalidate_boundary
(GIMP_DRAWABLE (gimp_image_get_mask (image)));
if (gimp_image_get_width (image) != image_undo->width ||
gimp_image_get_height (image) != image_undo->height)
{
accum->size_changed = TRUE;
accum->previous_origin_x = previous_origin_x;
accum->previous_origin_y = previous_origin_y;
accum->previous_width = previous_width;
accum->previous_height = previous_height;
}
}
break;
case GIMP_UNDO_IMAGE_RESOLUTION:
{
gdouble xres;
gdouble yres;
gimp_image_get_resolution (image, &xres, &yres);
if (ABS (image_undo->xresolution - xres) >= 1e-5 ||
ABS (image_undo->yresolution - yres) >= 1e-5)
{
private->xresolution = image_undo->xresolution;
private->yresolution = image_undo->yresolution;
image_undo->xresolution = xres;
image_undo->yresolution = yres;
accum->resolution_changed = TRUE;
}
}
static void
gimp_mask_undo_pop (GimpUndo *undo,
GimpUndoMode undo_mode,
GimpUndoAccumulator *accum)
{
GimpMaskUndo *mask_undo = GIMP_MASK_UNDO (undo);
GimpChannel *channel = GIMP_CHANNEL (GIMP_ITEM_UNDO (undo)->item);
GimpDrawable *drawable = GIMP_DRAWABLE (channel);
GeglBuffer *new_buffer;
const Babl *format;
gint x1, y1, x2, y2;
gint width = 0;
gint height = 0;
GIMP_UNDO_CLASS (parent_class)->pop (undo, undo_mode, accum);
if (gimp_channel_bounds (channel, &x1, &y1, &x2, &y2))
{
new_buffer = gegl_buffer_new (GEGL_RECTANGLE (0, 0, x2 - x1, y2 - y1),
gimp_drawable_get_format (drawable));
gegl_buffer_copy (gimp_drawable_get_buffer (drawable),
GEGL_RECTANGLE (x1, y1, x2 - x1, y2 - y1),
new_buffer,
GEGL_RECTANGLE (0, 0, 0, 0));
gegl_buffer_clear (gimp_drawable_get_buffer (drawable),
GEGL_RECTANGLE (x1, y1, x2 - x1, y2 - y1));
}
else
{
new_buffer = NULL;
}
format = gimp_drawable_get_format (drawable);
if (mask_undo->convert_format)
{
GeglBuffer *buffer;
gint width = gimp_item_get_width (GIMP_ITEM (channel));
gint height = gimp_item_get_height (GIMP_ITEM (channel));
buffer = gimp_gegl_buffer_new (GEGL_RECTANGLE (0, 0, width, height),
mask_undo->format);
gegl_buffer_clear (buffer, NULL);
gimp_drawable_set_buffer (drawable, FALSE, NULL, buffer);
g_object_unref (buffer);
}
if (mask_undo->buffer)
{
width = gegl_buffer_get_width (mask_undo->buffer);
height = gegl_buffer_get_height (mask_undo->buffer);
gegl_buffer_copy (mask_undo->buffer,
NULL,
gimp_drawable_get_buffer (drawable),
GEGL_RECTANGLE (mask_undo->x, mask_undo->y, 0, 0));
g_object_unref (mask_undo->buffer);
}
/* invalidate the current bounds and boundary of the mask */
gimp_drawable_invalidate_boundary (drawable);
if (mask_undo->buffer)
{
channel->empty = FALSE;
channel->x1 = mask_undo->x;
channel->y1 = mask_undo->y;
channel->x2 = mask_undo->x + width;
channel->y2 = mask_undo->y + height;
}
else
{
channel->empty = TRUE;
channel->x1 = 0;
channel->y1 = 0;
channel->x2 = gimp_item_get_width (GIMP_ITEM (channel));
channel->y2 = gimp_item_get_height (GIMP_ITEM (channel));
}
/* we know the bounds */
channel->bounds_known = TRUE;
/* set the new mask undo parameters */
mask_undo->buffer = new_buffer;
mask_undo->x = x1;
mask_undo->y = y1;
mask_undo->format = format;
gimp_drawable_update (GIMP_DRAWABLE (channel),
0, 0,
gimp_item_get_width (GIMP_ITEM (channel)),
gimp_item_get_height (GIMP_ITEM (channel)));
}
