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authorThorsten Behrens <thb@openoffice.org>2003-11-12 11:11:24 +0000
committerThorsten Behrens <thb@openoffice.org>2003-11-12 11:11:24 +0000
commit6993a65de005cf20d7f6f8ed56b73ddcf9d92b3d (patch)
treed18f1b038f6e3fb7d0471c386239a0c7e6293597 /basegfx/source
parentd29fb24a43fc4d8477181c2b693e163d97c07218 (diff)
Added scalar cross() method to B2DVector, which returns length of the 2D cross product (useful e.g. for angle calculations)
Diffstat (limited to 'basegfx/source')
-rw-r--r--basegfx/source/vector/b2dvector.cxx9
1 files changed, 7 insertions, 2 deletions
diff --git a/basegfx/source/vector/b2dvector.cxx b/basegfx/source/vector/b2dvector.cxx
index 23044076d539..ed0325b446a5 100644
--- a/basegfx/source/vector/b2dvector.cxx
+++ b/basegfx/source/vector/b2dvector.cxx
@@ -2,9 +2,9 @@
*
* $RCSfile: b2dvector.cxx,v $
*
- * $Revision: 1.6 $
+ * $Revision: 1.7 $
*
- * last change: $Author: aw $ $Date: 2003-11-11 09:56:10 $
+ * last change: $Author: thb $ $Date: 2003-11-12 12:11:24 $
*
* The Contents of this file are made available subject to the terms of
* either of the following licenses
@@ -116,6 +116,11 @@ namespace basegfx
return((mfX * rVec.mfX) + (mfY * rVec.mfY));
}
+ double B2DVector::cross( const B2DVector& rVec ) const
+ {
+ return(mfX * rVec.getY() - mfY * rVec.getX());
+ }
+
double B2DVector::angle( const B2DVector& rVec ) const
{
return atan2(mfX * rVec.getY() - mfY * rVec.getX(),