finally getting closer to processing axes and contexts correctly

[inkscape.git] / src / sp-clippath.cpp

diff --git a/src/sp-clippath.cpp b/src/sp-clippath.cpp
index 086b6dcfa3084f040af83d8265a4dae0944a8442..501b5fcfd91caf5aea8d870a1d55e5f69bad4153 100644 (file)
--- a/src/sp-clippath.cpp
+++ b/src/sp-clippath.cpp
@@ -21,8 +21,11 @@
 #include "enums.h"
 #include "attributes.h"
 #include "document.h"
+#include "document-private.h"
 #include "sp-item.h"
 
+#include "libnr/nr-matrix-ops.h"
+
 #include "sp-clippath.h"
 
 struct SPClipPathView {
@@ -326,12 +329,22 @@ sp_clippath_set_bbox(SPClipPath *cp, unsigned int key, NRRect *bbox)
 void
 sp_clippath_get_bbox(SPClipPath *cp, NRRect *bbox, NR::Matrix const &transform, unsigned const flags)
 {
-       for (SPObject *o = sp_object_first_child(SP_OBJECT(cp)); o != NULL; o = SP_OBJECT_NEXT(o)) {
-               if (SP_IS_ITEM(o)) {
-                       SPItem *child = SP_ITEM(o);
-                       sp_item_invoke_bbox_full(child, bbox, transform, flags, FALSE);
-               }
-       }
+    SPObject *i; 
+    for (i = sp_object_first_child(SP_OBJECT(cp)); i && !SP_IS_ITEM(i); i = SP_OBJECT_NEXT(i));
+    if (!i) return;
+
+    sp_item_invoke_bbox_full(SP_ITEM(i), bbox, NR::Matrix(SP_ITEM(i)->transform) * transform, flags, FALSE);
+    SPObject *i_start = i; 
+
+    while (i != NULL) {
+        if (i != i_start) {
+            NRRect i_box;
+            sp_item_invoke_bbox_full(SP_ITEM(i), &i_box, NR::Matrix(SP_ITEM(i)->transform) * transform, flags, FALSE);
+            nr_rect_d_union (bbox, bbox, &i_box);
+        }
+        i = SP_OBJECT_NEXT(i);
+        for (; i && !SP_IS_ITEM(i); i = SP_OBJECT_NEXT(i));
+    }
 }
 
 /* ClipPath views */
@@ -368,6 +381,33 @@ sp_clippath_view_list_remove(SPClipPathView *list, SPClipPathView *view)
     return list;
 }
 
+// Create a mask element (using passed elements), add it to <defs>
+const gchar *
+sp_clippath_create (GSList *reprs, SPDocument *document, NR::Matrix const* applyTransform)
+{
+    Inkscape::XML::Node *defsrepr = SP_OBJECT_REPR (SP_DOCUMENT_DEFS (document));
+
+    Inkscape::XML::Node *repr = sp_repr_new ("svg:clipPath");
+    repr->setAttribute("clipPathUnits", "userSpaceOnUse");
+    
+    defsrepr->appendChild(repr);
+    const gchar *id = repr->attribute("id");
+    SPObject *clip_path_object = document->getObjectById(id);
+    
+    for (GSList *it = reprs; it != NULL; it = it->next) {
+        Inkscape::XML::Node *node = (Inkscape::XML::Node *)(it->data);
+        SPItem *item = SP_ITEM(clip_path_object->appendChildRepr(node));
+        
+        if (NULL != applyTransform) {
+            NR::Matrix transform (item->transform);
+            transform *= (*applyTransform);
+            sp_item_write_transform(item, SP_OBJECT_REPR(item), transform);
+        }
+    }
+    
+    Inkscape::GC::release(repr);
+    return id;
+}
 
 /*
   Local Variables: