static void
gimp_vectors_transform (GimpItem *item,
GimpContext *context,
const GimpMatrix3 *matrix,
GimpTransformDirection direction,
GimpInterpolationType interpolation_type,
GimpTransformResize clip_result,
GimpProgress *progress)
{
GimpVectors *vectors = GIMP_VECTORS (item);
GimpMatrix3 local_matrix;
GList *list;
gimp_vectors_freeze (vectors);
gimp_image_undo_push_vectors_mod (gimp_item_get_image (item),
_("Transform Path"),
vectors);
local_matrix = *matrix;
if (direction == GIMP_TRANSFORM_BACKWARD)
gimp_matrix3_invert (&local_matrix);
for (list = vectors->strokes; list; list = g_list_next (list))
{
GimpStroke *stroke = list->data;
gimp_stroke_transform (stroke, &local_matrix);
}
gimp_vectors_thaw (vectors);
}
static void
gimp_vectors_mod_undo_pop (GimpUndo *undo,
GimpUndoMode undo_mode,
GimpUndoAccumulator *accum)
{
GimpVectorsModUndo *vectors_mod_undo = GIMP_VECTORS_MOD_UNDO (undo);
GimpVectors *vectors = GIMP_VECTORS (GIMP_ITEM_UNDO (undo)->item);
GimpVectors *temp;
GIMP_UNDO_CLASS (parent_class)->pop (undo, undo_mode, accum);
temp = vectors_mod_undo->vectors;
vectors_mod_undo->vectors =
GIMP_VECTORS (gimp_item_duplicate (GIMP_ITEM (vectors),
G_TYPE_FROM_INSTANCE (vectors),
FALSE));
gimp_vectors_freeze (vectors);
gimp_vectors_copy_strokes (temp, vectors);
GIMP_ITEM (vectors)->width = GIMP_ITEM (temp)->width;
GIMP_ITEM (vectors)->height = GIMP_ITEM (temp)->height;
GIMP_ITEM (vectors)->offset_x = GIMP_ITEM (temp)->offset_x;
GIMP_ITEM (vectors)->offset_y = GIMP_ITEM (temp)->offset_y;
g_object_unref (temp);
gimp_vectors_thaw (vectors);
}
void
gimp_vectors_add_strokes (const GimpVectors *src_vectors,
GimpVectors *dest_vectors)
{
GList *current_lstroke;
GList *strokes_copy;
g_return_if_fail (GIMP_IS_VECTORS (src_vectors));
g_return_if_fail (GIMP_IS_VECTORS (dest_vectors));
gimp_vectors_freeze (dest_vectors);
strokes_copy = g_list_copy (src_vectors->strokes);
current_lstroke = strokes_copy;
while (current_lstroke)
{
current_lstroke->data = gimp_stroke_duplicate (current_lstroke->data);
dest_vectors->last_stroke_ID ++;
gimp_stroke_set_ID (current_lstroke->data,
dest_vectors->last_stroke_ID);
current_lstroke = g_list_next (current_lstroke);
}
dest_vectors->strokes = g_list_concat (dest_vectors->strokes, strokes_copy);
gimp_vectors_thaw (dest_vectors);
}
static void
gimp_vectors_rotate (GimpItem *item,
GimpContext *context,
GimpRotationType rotate_type,
gdouble center_x,
gdouble center_y,
gboolean clip_result)
{
GimpVectors *vectors = GIMP_VECTORS (item);
GList *list;
GimpMatrix3 matrix;
gimp_matrix3_identity (&matrix);
gimp_transform_matrix_rotate (&matrix, rotate_type, center_x, center_y);
gimp_vectors_freeze (vectors);
gimp_image_undo_push_vectors_mod (gimp_item_get_image (item),
_("Rotate Path"),
vectors);
for (list = vectors->strokes; list; list = g_list_next (list))
{
GimpStroke *stroke = list->data;
gimp_stroke_transform (stroke, &matrix);
}
gimp_vectors_thaw (vectors);
}
static void
gimp_vectors_resize (GimpItem *item,
GimpContext *context,
gint new_width,
gint new_height,
gint offset_x,
gint offset_y)
{
GimpVectors *vectors = GIMP_VECTORS (item);
GimpImage *image = gimp_item_get_image (item);
GList *list;
gimp_vectors_freeze (vectors);
if (gimp_item_is_attached (item))
gimp_image_undo_push_vectors_mod (image, NULL, vectors);
for (list = vectors->strokes; list; list = g_list_next (list))
{
GimpStroke *stroke = list->data;
gimp_stroke_translate (stroke, offset_x, offset_y);
}
GIMP_ITEM_CLASS (parent_class)->resize (item, context,
gimp_image_get_width (image),
gimp_image_get_height (image),
0, 0);
gimp_vectors_thaw (vectors);
}
static void
gimp_vectors_translate (GimpItem *item,
gint offset_x,
gint offset_y,
gboolean push_undo)
{
GimpVectors *vectors = GIMP_VECTORS (item);
GList *list;
gimp_vectors_freeze (vectors);
if (push_undo)
gimp_image_undo_push_vectors_mod (gimp_item_get_image (item),
_("Move Path"),
vectors);
for (list = vectors->strokes; list; list = g_list_next (list))
{
GimpStroke *stroke = list->data;
gimp_stroke_translate (stroke, offset_x, offset_y);
}
gimp_vectors_thaw (vectors);
}
void
gimp_vectors_stroke_remove (GimpVectors *vectors,
GimpStroke *stroke)
{
g_return_if_fail (GIMP_IS_VECTORS (vectors));
g_return_if_fail (GIMP_IS_STROKE (stroke));
gimp_vectors_freeze (vectors);
GIMP_VECTORS_GET_CLASS (vectors)->stroke_remove (vectors, stroke);
gimp_vectors_thaw (vectors);
}
void
gimp_vectors_copy_strokes (const GimpVectors *src_vectors,
GimpVectors *dest_vectors)
{
g_return_if_fail (GIMP_IS_VECTORS (src_vectors));
g_return_if_fail (GIMP_IS_VECTORS (dest_vectors));
gimp_vectors_freeze (dest_vectors);
if (dest_vectors->strokes)
{
g_list_free_full (dest_vectors->strokes, (GDestroyNotify) g_object_unref);
}
dest_vectors->strokes = NULL;
dest_vectors->last_stroke_ID = 0;
gimp_vectors_add_strokes (src_vectors, dest_vectors);
gimp_vectors_thaw (dest_vectors);
}
static void
gimp_vectors_scale (GimpItem *item,
gint new_width,
gint new_height,
gint new_offset_x,
gint new_offset_y,
GimpInterpolationType interpolation_type,
GimpProgress *progress)
{
GimpVectors *vectors = GIMP_VECTORS (item);
GimpImage *image = gimp_item_get_image (item);
GList *list;
gimp_vectors_freeze (vectors);
if (gimp_item_is_attached (item))
gimp_image_undo_push_vectors_mod (image, NULL, vectors);
for (list = vectors->strokes; list; list = g_list_next (list))
{
GimpStroke *stroke = list->data;
gimp_stroke_scale (stroke,
(gdouble) new_width / (gdouble) gimp_item_get_width (item),
(gdouble) new_height / (gdouble) gimp_item_get_height (item));
gimp_stroke_translate (stroke, new_offset_x, new_offset_y);
}
GIMP_ITEM_CLASS (parent_class)->scale (item,
gimp_image_get_width (image),
gimp_image_get_height (image),
0, 0,
interpolation_type, progress);
gimp_vectors_thaw (vectors);
}