INTEGRATION: CWS presentationengine01 (1.1.2); FILE ADDED

2004/08/19 00:08:34 thb 1.1.2.1: Initial revision

1 files changed, 150 insertions, 0 deletions

diff --git a/basegfx/inc/basegfx/range/b2dmultirange.hxx b/basegfx/inc/basegfx/range/b2dmultirange.hxx
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+/*************************************************************************
+ *
+ *  $RCSfile: b2dmultirange.hxx,v $
+ *
+ *  $Revision: 1.2 $
+ *
+ *  last change: $Author: rt $ $Date: 2004-11-26 18:34:43 $
+ *
+ *  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_RANGE_B2DMULTIRANGE_HXX
+#define _BGFX_RANGE_B2DMULTIRANGE_HXX
+
+#include <memory>
+
+
+namespace basegfx
+{
+    class B2DTuple;
+    class B2DRange;
+    class B2DPolyPolygon;
+    class ImplB2DMultiRange;
+
+    /** Multiple ranges in one object.
+
+        This class combines multiple ranges in one object, providing a
+        total, enclosing range for it.
+
+        You can use this class e.g. when updating views containing
+        rectangular objects. Add each modified object to a
+        B2DMultiRange, then test each viewable object against
+        intersection with the multi range.
+     */
+    class B2DMultiRange
+    {
+    public:
+        B2DMultiRange();
+        ~B2DMultiRange();
+
+        /** Create a multi range with exactly one containing range
+         */
+        explicit B2DMultiRange( const B2DRange& rRange );
+
+        /** Check whether range is empty.
+
+            @return true, if this object either contains no ranges at
+            all, or all contained ranges are empty.
+         */
+        bool            isEmpty() const;
+
+        /** Reset to empty.
+
+            After this call, the object will not contain any ranges,
+            and isEmpty() will return true.
+         */
+        void            reset();
+
+        /** Test whether given tuple is inside one or more of the
+            included ranges.
+         */
+        bool            isInside( const B2DTuple& rTuple ) const;
+
+        /** Test whether given range is inside one or more of the
+            included ranges.
+         */
+        bool            isInside( const B2DRange& rRange ) const;
+
+        /** Test whether given range overlaps one or more of the
+            included ranges.
+         */
+        bool            overlaps( const B2DRange& rRange ) const;
+
+        /** Add given range to the number of contained ranges.
+         */
+        void            addRange( const B2DRange& rRange );
+
+        /** Get overall bound rect for all included ranges.
+         */
+        B2DRange        getBounds() const;
+
+        /** Request poly-polygon representing the added ranges.
+
+            This method creates a poly-polygon, consisting exactly out
+            of the contained ranges.
+         */
+        B2DPolyPolygon  getPolyPolygon() const;
+
+    private:
+        // TODO(F1): Maybe provide a shared COW implementation here
+
+        // default: disabled copy/assignment
+        B2DMultiRange(const B2DMultiRange&);
+        B2DMultiRange& operator=( const B2DMultiRange& );
+
+        ::std::auto_ptr< ImplB2DMultiRange >    mpImpl;
+    };
+}
+
+#endif /* _BGFX_RANGE_B2DMULTIRANGE_HXX */