INTEGRATION: CWS aw019 (1.1.2); FILE ADDED

2004/10/14 12:28:09 aw 1.1.2.2: #i34831#
2004/10/13 14:01:41 aw 1.1.2.1: #i34831#

1 files changed, 138 insertions, 0 deletions

diff --git a/basegfx/inc/basegfx/polygon/b2dlinegeometry.hxx b/basegfx/inc/basegfx/polygon/b2dlinegeometry.hxx
new file mode 100644
index 000000000000..4aab2833ceca
--- /dev/null
+++ b/basegfx/inc/basegfx/polygon/b2dlinegeometry.hxx
@@ -0,0 +1,138 @@
+/*************************************************************************
+ *
+ *  $RCSfile: b2dlinegeometry.hxx,v $
+ *
+ *  $Revision: 1.2 $
+ *
+ *  last change: $Author: pjunck $ $Date: 2004-11-03 08:33:49 $
+ *
+ *  The Contents of this file are made available subject to the terms of
+ *  either of the following licenses
+ *
+ *         - GNU Lesser General Public License Version 2.1
+ *         - Sun Industry Standards Source License Version 1.1
+ *
+ *  Sun Microsystems Inc., October, 2000
+ *
+ *  GNU Lesser General Public License Version 2.1
+ *  =============================================
+ *  Copyright 2000 by Sun Microsystems, Inc.
+ *  901 San Antonio Road, Palo Alto, CA 94303, USA
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License version 2.1, as published by the Free Software Foundation.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ *  MA  02111-1307  USA
+ *
+ *
+ *  Sun Industry Standards Source License Version 1.1
+ *  =================================================
+ *  The contents of this file are subject to the Sun Industry Standards
+ *  Source License Version 1.1 (the "License"); You may not use this file
+ *  except in compliance with the License. You may obtain a copy of the
+ *  License at http://www.openoffice.org/license.html.
+ *
+ *  Software provided under this License is provided on an "AS IS" basis,
+ *  WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
+ *  WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
+ *  MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
+ *  See the License for the specific provisions governing your rights and
+ *  obligations concerning the Software.
+ *
+ *  The Initial Developer of the Original Code is: Sun Microsystems, Inc.
+ *
+ *  Copyright: 2000 by Sun Microsystems, Inc.
+ *
+ *  All Rights Reserved.
+ *
+ *  Contributor(s): _______________________________________
+ *
+ *
+ ************************************************************************/
+
+#ifndef _BGFX_POLYGON_B2DLINEGEOMETRY_HXX
+#define _BGFX_POLYGON_B2DLINEGEOMETRY_HXX
+
+#ifndef _SAL_TYPES_H_
+#include <sal/types.h>
+#endif
+
+#ifndef _BGFX_NUMERIC_FTOOLS_HXX
+#include <basegfx/numeric/ftools.hxx>
+#endif
+
+#ifndef _BGFX_POLYGON_B2DPOLYPOLYGON_HXX
+#include <basegfx/polygon/b2dpolypolygon.hxx>
+#endif
+
+#ifndef _BGFX_POLYGON_B2DPOLYGON_HXX
+#include <basegfx/polygon/b2dpolygon.hxx>
+#endif
+
+//////////////////////////////////////////////////////////////////////////////
+
+namespace basegfx
+{
+    namespace tools
+    {
+        /** Descriptor for type of Line Joint
+        */
+        enum B2DLineJoin
+        {
+            B2DLINEJOIN_NONE,       // no rounding
+            B2DLINEJOIN_MIDDLE,     // calc middle value between joints
+            B2DLINEJOIN_BEVEL,      // join edges with line
+            B2DLINEJOIN_MITER,      // extend till cut
+            B2DLINEJOIN_ROUND       // create arc
+        };
+
+        // create area geometry for given polygon. Edges are joined using the given
+        // join type. fHalfLineWidth defines the relative width.
+        // fDegreeStepWidth is used when rounding edges.
+        // fMiterMinimumAngle is used to define when miter is forced to bevel.
+        // All created polygons will be positively or neuteral oriented and free of
+        // self intersections.
+        B2DPolyPolygon createAreaGeometryForPolygon(
+            const B2DPolygon& rCandidate,
+            double fHalfLineWidth,
+            B2DLineJoin eJoin,
+            double fDegreeStepWidth = (10.0 * F_PI180),
+            double fMiterMinimumAngle = (15.0 * F_PI180));
+
+        // create line start/end geometry element, mostly arrows and things like that.
+        // rCandidate is the polygon which needs to get that line ends and needs to have
+        // two points at least.
+        // rArrow is the line start/end geometry. It is assumed that the tip is pointing
+        // upwards. Result will be rotated and scaled to fit.
+        // bStart describes if creation is for start or end of candidate.
+        // fWidth defines the size of the element, it's describing the target width in X
+        // of the arrow.
+        // fDockingPosition needs to be in [0.0 ..1.0] range, where 0.0 means that the tip
+        // of the arrow will be aligned with the polygon start, 1.0 means the bottom. The
+        // default of 0.5 describes a centered arrow.
+        // With pConsumedLength it is possible to get back how much from the candidate
+        // geometry is overlapped by the creted element.
+        B2DPolyPolygon createAreaGeometryForLineStartEnd(
+            const B2DPolygon& rCandidate,
+            const B2DPolyPolygon& rArrow,
+            bool bStart,
+            double fWidth,
+            double fDockingPosition = 0.5, // 0->top, 1->bottom
+            double* pConsumedLength = 0L);
+
+    } // end of namespace tools
+} // end of namespace basegfx
+
+//////////////////////////////////////////////////////////////////////////////
+
+#endif /* _BGFX_POLYGON_B2DLINEGEOMETRY_HXX */
+// eof