scale clip or mask upon unit change (Bug 1287288)

Fixed bugs:
  - https://launchpad.net/bugs/1287288

(bzr r13561)

1 files changed, 12 insertions, 0 deletions

diff --git a/src/sp-item-group.cpp b/src/sp-item-group.cpp
index 5936cfbe5..a24056630 100644
--- a/src/sp-item-group.cpp
+++ b/src/sp-item-group.cpp
@@ -677,6 +677,18 @@ void SPGroup::scaleChildItemsRec(Geom::Scale const &sc, Geom::Point const &p, bo
                         item->doWriteTransform(item->getRepr(), tAff, NULL, true);
                     } else {
                         // used for other import
+                        SPItem *item = NULL;
+                        if (SP_ITEM(o)->clip_ref->getObject()) {
+                            item = SP_ITEM(SP_ITEM(o)->clip_ref->getObject()->firstChild());
+                        } else if (SP_ITEM(o)->mask_ref->getObject()) {
+                            item = SP_ITEM(SP_ITEM(o)->mask_ref->getObject()->firstChild());
+                        }
+                        if (item != NULL) {
+                            Geom::Affine tdoc2dt = Geom::Scale(1, -1) * Geom::Translate(p); // re-create doc2dt()
+                            Geom::Affine ti2doc = SP_ITEM(o)->i2doc_affine();
+                            item->set_i2d_affine(ti2doc * sc * ti2doc.inverse() * tdoc2dt);
+                            item->doWriteTransform(item->getRepr(), item->transform, NULL, true);
+                        }
                         SP_GROUP(o)->scaleChildItemsRec(sc, p, false);
                     }
                 } else {