add curve before LPE to SPShape. this is useful for helperpath display. It was inspired from fixing bug 407008

Fixed bugs:
  - https://launchpad.net/bugs/407008

(bzr r10142)

1 files changed, 36 insertions, 0 deletions

diff --git a/src/sp-shape.cpp b/src/sp-shape.cpp
index e9b0909ed..72559c63f 100644
--- a/src/sp-shape.cpp
+++ b/src/sp-shape.cpp
@@ -126,6 +126,7 @@ void SPShape::sp_shape_init(SPShape *shape)
         shape->marker[i] = NULL;
     }
     shape->curve = NULL;
+    shape->curve_before_lpe = NULL;
 }
 
 void SPShape::sp_shape_finalize(GObject *object)
@@ -195,6 +196,9 @@ void SPShape::sp_shape_release(SPObject *object)
     if (shape->curve) {
         shape->curve = shape->curve->unref();
     }
+    if (shape->curve_before_lpe) {
+        shape->curve_before_lpe = shape->curve_before_lpe->unref();
+    }
 
     if (((SPObjectClass *) SPShapeClass::parent_class)->release) {
       ((SPObjectClass *) SPShapeClass::parent_class)->release (object);
@@ -1115,6 +1119,20 @@ void SPShape::setCurve(SPCurve *curve, unsigned int owner)
 }
 
 /**
+ * Sets curve_before_lpe to refer to the curve.
+ */
+void
+SPShape::setCurveBeforeLPE (SPCurve *curve)
+{
+    if (this->curve_before_lpe) {
+        this->curve_before_lpe = this->curve_before_lpe->unref();
+    }
+    if (curve) {
+        this->curve_before_lpe = curve->ref();
+    }
+}
+
+/**
  * Return duplicate of curve (if any exists) or NULL if there is no curve
  */
 SPCurve * SPShape::getCurve()
@@ -1126,6 +1144,24 @@ SPCurve * SPShape::getCurve()
 }
 
 /**
+ * Return duplicate of curve *before* LPE (if any exists) or NULL if there is no curve
+ */
+SPCurve *
+SPShape::getCurveBeforeLPE()
+{
+    if (sp_lpe_item_has_path_effect(SP_LPE_ITEM(this))) {
+        if (this->curve_before_lpe) {
+            return this->curve_before_lpe->copy();
+        }
+    } else {
+        if (this->curve) {
+            return this->curve->copy();
+        }
+    }
+    return NULL;
+}
+
+/**
  * Same as sp_shape_set_curve but without updating the display
  */
 void SPShape::setCurveInsync(SPCurve *curve, unsigned int owner)