#i105939# Adds special box clipping support to basegfx

basegfx/inc/basegfx/polygon/b2dpolygon.hxx

@@ -83,7 +83,7 @@ namespace basegfx
         sal_uInt32 count() const;
 
         /// Coordinate interface
-        basegfx::B2DPoint getB2DPoint(sal_uInt32 nIndex) const;
+        const basegfx::B2DPoint& getB2DPoint(sal_uInt32 nIndex) const;
         void setB2DPoint(sal_uInt32 nIndex, const basegfx::B2DPoint& rValue);
 
         /// Coordinate insert/append
@@ -201,7 +201,7 @@ namespace basegfx
             @return
             The outer range of the bezier curve/polygon
         */
-        B2DRange getB2DRange() const;
+        const B2DRange& getB2DRange() const;
 
         /** insert other 2D polygons
 
@@ -261,6 +261,12 @@ namespace basegfx
 
         /// apply transformation given in matrix form
         void transform(const basegfx::B2DHomMatrix& rMatrix);
+
+        // point iterators
+        const B2DPoint* begin() const;
+        const B2DPoint* end() const;
+        B2DPoint* begin();
+        B2DPoint* end();
     };
 } // end of namespace basegfx
 

basegfx/inc/basegfx/polygon/b2dpolypolygon.hxx

@@ -128,6 +128,12 @@ namespace basegfx
 
         // apply transformation given in matrix form to the polygon
         void transform(const basegfx::B2DHomMatrix& rMatrix);
+
+        // polygon iterators
+        const B2DPolygon* begin() const;
+        const B2DPolygon* end() const;
+        B2DPolygon* begin();
+        B2DPolygon* end();
     };
 } // end of namespace basegfx
 

basegfx/inc/basegfx/range/b2dmultirange.hxx → basegfx/inc/basegfx/range/b2dpolyrange.hxx

@@ -28,19 +28,19 @@
  *
  ************************************************************************/
 
-#ifndef _BGFX_RANGE_B2DMULTIRANGE_HXX
-#define _BGFX_RANGE_B2DMULTIRANGE_HXX
+#ifndef _BGFX_RANGE_B2DPOLYRANGE_HXX
+#define _BGFX_RANGE_B2DPOLYRANGE_HXX
 
 #include <o3tl/cow_wrapper.hxx>
-#include <memory>
-
+#include <boost/tuple/tuple.hpp>
+#include <basegfx/vector/b2enums.hxx>
 
 namespace basegfx
 {
     class B2DTuple;
     class B2DRange;
     class B2DPolyPolygon;
-    class ImplB2DMultiRange;
+    class ImplB2DPolyRange;
 
     /** Multiple ranges in one object.
 
@@ -51,67 +51,89 @@ namespace basegfx
         rectangular objects. Add each modified object to a
         B2DMultiRange, then test each viewable object against
         intersection with the multi range.
+
+        Similar in spirit to the poly-polygon vs. polygon relationship.
+
+        Note that comparable to polygons, a poly-range can also
+        contain 'holes' - this is encoded via polygon orientation at
+        the poly-polygon, and via explicit flags for the poly-range.
      */
-    class B2DMultiRange
+    class B2DPolyRange
     {
     public:
-        B2DMultiRange();
-        ~B2DMultiRange();
+        typedef boost::tuple<B2DRange,B2VectorOrientation> ElementType ;
+
+        B2DPolyRange();
+        ~B2DPolyRange();
 
         /** Create a multi range with exactly one containing range
          */
-        explicit B2DMultiRange( const B2DRange& rRange );
+        explicit B2DPolyRange( const ElementType& rElement );
+        B2DPolyRange( const B2DRange& rRange, B2VectorOrientation eOrient );
+        B2DPolyRange( const B2DPolyRange& );
+        B2DPolyRange& operator=( const B2DPolyRange& );
 
-        B2DMultiRange( const B2DMultiRange& );
-        B2DMultiRange& operator=( const B2DMultiRange& );
+        /// unshare this poly-range with all internally shared instances
+        void makeUnique();
 
-        /** Check whether range is empty.
+        bool operator==(const B2DPolyRange&) const;
+        bool operator!=(const B2DPolyRange&) const;
 
-            @return true, if this object either contains no ranges at
-            all, or all contained ranges are empty.
-         */
-        bool            isEmpty() const;
+        /// Number of included ranges
+        sal_uInt32 count() const;
 
-        /** Reset to empty.
+        ElementType getElement(sal_uInt32 nIndex) const;
+        void        setElement(sal_uInt32 nIndex, const ElementType& rElement );
+        void        setElement(sal_uInt32 nIndex, const B2DRange& rRange, B2VectorOrientation eOrient );
 
-            After this call, the object will not contain any ranges,
-            and isEmpty() will return true.
-         */
-        void            reset();
+        // insert/append a single range
+        void insertElement(sal_uInt32 nIndex, const ElementType& rElement, sal_uInt32 nCount = 1);
+        void insertElement(sal_uInt32 nIndex, const B2DRange& rRange, B2VectorOrientation eOrient, sal_uInt32 nCount = 1);
+        void appendElement(const ElementType& rElement, sal_uInt32 nCount = 1);
+        void appendElement(const B2DRange& rRange, B2VectorOrientation eOrient, sal_uInt32 nCount = 1);
+
+        // insert/append multiple ranges
+        void insertPolyRange(sal_uInt32 nIndex, const B2DPolyRange&);
+        void appendPolyRange(const B2DPolyRange&);
+
+        void remove(sal_uInt32 nIndex, sal_uInt32 nCount = 1);
+        void clear();
+
+        // flip range orientations - converts holes to solids, and vice versa
+        void flip();
+
+        /** Get overall range
+
+            @return
+            The union range of all contained ranges
+        */
+        B2DRange getBounds() const;
 
         /** Test whether given tuple is inside one or more of the
-            included ranges.
+            included ranges. Does *not* use overall range, but checks
+            individually.
          */
-        bool            isInside( const B2DTuple& rTuple ) const;
+        bool isInside( const B2DTuple& rTuple ) const;
 
         /** Test whether given range is inside one or more of the
-            included ranges.
+            included ranges. Does *not* use overall range, but checks
+            individually.
          */
-        bool            isInside( const B2DRange& rRange ) const;
+        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.
+            included ranges. Does *not* use overall range, but checks
+            individually.
          */
-        B2DRange        getBounds() const;
-
-        /** Request poly-polygon representing the added ranges.
+        bool overlaps( const B2DRange& rRange ) const;
 
-            This method creates a poly-polygon, consisting exactly out
-            of the contained ranges.
+        /** Request a poly-polygon with solved cross-overs
          */
-        B2DPolyPolygon  getPolyPolygon() const;
+        B2DPolyPolygon solveCrossovers() const;
 
     private:
-        o3tl::cow_wrapper< ImplB2DMultiRange > mpImpl;
+        o3tl::cow_wrapper< ImplB2DPolyRange > mpImpl;
     };
 }
 
-#endif /* _BGFX_RANGE_B2DMULTIRANGE_HXX */
+#endif /* _BGFX_RANGE_B2DPOLYRANGE_HXX */

basegfx/inc/basegfx/range/b2drangeclipper.hxx

+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2008 by Sun Microsystems, Inc.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * $RCSfile: b2dmultirange.hxx,v $
+ * $Revision: 1.6 $
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org 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 version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org.  If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+#ifndef _BGFX_RANGE_B2DRANGECLIPPER_HXX
+#define _BGFX_RANGE_B2DRANGECLIPPER_HXX
+
+#include <basegfx/range/b2dpolyrange.hxx>
+#include <vector>
+
+namespace basegfx
+{
+    namespace tools
+    {
+        /** Extract poly-polygon w/o self-intersections from poly-range
+
+            Similar to the solveCrossovers(const B2DPolyPolygon&)
+            method, this one calculates a self-intersection-free
+            poly-polygon with the same topology, and encoding
+            inside/outsidedness via polygon orientation and layering.
+         */
+        B2DPolyPolygon solveCrossovers(const std::vector<B2DRange>& rRanges,
+                                       const std::vector<B2VectorOrientation>& rOrientations);
+    }
+}
+
+#endif /* _BGFX_RANGE_B2DRANGECLIPPER_HXX */

basegfx/qa/mkpolygons.pl

+:
+eval 'exec perl -wS $0 ${1+"$@"}'
+    if 0;
+
+#
+# 2009 Copyright Novell, Inc. & Sun Microsystems, Inc.
+#
+# OpenOffice.org is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License version 3
+# only, as published by the Free Software Foundation.
+#
+
+use IO::File;
+use Cwd;
+use File::Spec;
+use File::Spec::Functions;
+use File::Temp;
+use File::Path;
+
+$TempDir = "";
+
+
+# all the XML package generation is a blatant rip from AF's
+# write-calc-doc.pl
+
+
+###############################################################################
+#   Open a file with the given name.
+#   First it is checked if the temporary directory, in which all files for
+#   the document are gathered, is already present and create it if it is not.
+#   Then create the path to the file inside the temporary directory.
+#   Finally open the file and return a file handle to it.
+#
+sub open_file
+{
+    my  $filename = pop @_;
+
+    #   Create base directory of temporary directory tree if not alreay
+    #   present.
+    if ($TempDir eq "")
+    {
+        $TempDir = File::Temp::tempdir (CLEANUP => 1);
+    }
+
+    #   Create the path to the file.
+    my $fullname = File::Spec->catfile ($TempDir, $filename);
+    my ($volume,$directories,$file) = File::Spec->splitpath ($fullname);
+    mkpath (File::Spec->catpath ($volume,$directories,""));
+
+    #   Open the file and return a file handle to it.
+    return new IO::File ($fullname, "w");
+}
+
+
+###############################################################################
+#   Zip the files in the directory tree into the given file.
+#
+sub zip_dirtree
+{
+    my  $filename = pop @_;
+
+    my  $cwd = getcwd;
+    my  $zip_name = $filename;
+
+    #   We are about to change the directory.
+    #   Therefore create an absolute pathname for the zip archive.
+
+    #   First transfer the drive from $cwd to $zip_name.  This is a
+    #   workaround for a bug in file_name_is_absolute which thinks
+    #   the the path \bla is an absolute path under DOS.
+    my ($volume,$directories,$file) = File::Spec->splitpath ($zip_name);
+    my ($volume_cwd,$directories_cwd,$file_cwd) = File::Spec->splitpath ($cwd);
+    $volume = $volume_cwd if ($volume eq "");
+    $zip_name = File::Spec->catpath ($volume,$directories,$file);
+
+    #   Add the current working directory to a relative path.
+    if ( ! file_name_is_absolute ($zip_name))
+    {
+        $zip_name = File::Spec->catfile ($cwd, $zip_name);
+
+        #   Try everything to clean up the name.
+        $zip_name = File::Spec->rel2abs ($filename);
+        $zip_name = File::Spec->canonpath ($zip_name);
+
+        #   Remove .. directories from the middle of the path.
+        while ($zip_name =~ /\/[^\/][^\.\/][^\/]*\/\.\.\//)
+        {
+            $zip_name = $` . "/" . $';
+        }
+    }
+
+    #   Just in case the zip program gets confused by an existing file with the
+    #   same name as the one to be written that file is removed first.
+    if ( -e $filename)
+    {
+        if (unlink ($filename) == 0)
+        {
+            print "Existing file $filename could not be deleted.\n";
+            print "Please close the application that uses it, then try again.\n";
+            return;
+        }
+    }
+
+    #   Finally create the zip file.  First change into the temporary directory
+    #   so that the resulting zip file contains only paths relative to it.
+    print "zipping [$ZipCmd $ZipFlags $zip_name *]\n";
+    chdir ($TempDir);
+    system ("$ZipCmd $ZipFlags $zip_name *");
+    chdir ($cwd);
+}
+
+
+sub writeHeader
+{
+    print $OUT qq~<?xml version="1.0" encoding="UTF-8"?>
+
+<office:document-content xmlns:office="urn:oasis:names:tc:opendocument:xmlns:office:1.0" xmlns:style="urn:oasis:names:tc:opendocument:xmlns:style:1.0" xmlns:text="urn:oasis:names:tc:opendocument:xmlns:text:1.0" xmlns:table="urn:oasis:names:tc:opendocument:xmlns:table:1.0" xmlns:draw="urn:oasis:names:tc:opendocument:xmlns:drawing:1.0" xmlns:fo="urn:oasis:names:tc:opendocument:xmlns:xsl-fo-compatible:1.0" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:meta="urn:oasis:names:tc:opendocument:xmlns:meta:1.0" xmlns:number="urn:oasis:names:tc:opendocument:xmlns:datastyle:1.0" xmlns:presentation="urn:oasis:names:tc:opendocument:xmlns:presentation:1.0" xmlns:svg="urn:oasis:names:tc:opendocument:xmlns:svg-compatible:1.0" xmlns:chart="urn:oasis:names:tc:opendocument:xmlns:chart:1.0" xmlns:dr3d="urn:oasis:names:tc:opendocument:xmlns:dr3d:1.0" xmlns:math="http://www.w3.org/1998/Math/MathML" xmlns:form="urn:oasis:names:tc:opendocument:xmlns:form:1.0" xmlns:script="urn:oasis:names:tc:opendocument:xmlns:script:1.0" xmlns:ooo="http://openoffice.org/2004/office" xmlns:ooow="http://openoffice.org/2004/writer" xmlns:oooc="http://openoffice.org/2004/calc" xmlns:dom="http://www.w3.org/2001/xml-events" xmlns:xforms="http://www.w3.org/2002/xforms" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:smil="urn:oasis:names:tc:opendocument:xmlns:smil-compatible:1.0" xmlns:anim="urn:oasis:names:tc:opendocument:xmlns:animation:1.0" office:version="1.0">
+ <office:scripts/>
+ <office:automatic-styles>
+  <style:style style:name="dp1" style:family="drawing-page">
+   <style:drawing-page-properties presentation:background-visible="true" presentation:background-objects-visible="true" presentation:display-footer="true" presentation:display-page-number="false" presentation:display-date-time="true"/>
+  </style:style>
+  <style:style style:name="gr1" style:family="graphic" style:parent-style-name="standard">
+   <style:graphic-properties draw:textarea-horizontal-align="center" draw:fill="none" draw:stroke="none" draw:textarea-vertical-align="middle"/>
+  </style:style>
+  <style:style style:name="gr2" style:family="graphic" style:parent-style-name="standard">
+   <style:graphic-properties draw:textarea-horizontal-align="center" draw:textarea-vertical-align="middle"/>
+  </style:style>
+  <style:style style:name="pr1" style:family="presentation" style:parent-style-name="Default-title">
+   <style:graphic-properties draw:fill-color="#ffffff" draw:auto-grow-height="true" fo:min-height="3.508cm"/>
+  </style:style>
+  <style:style style:name="pr2" style:family="presentation" style:parent-style-name="Default-notes">
+   <style:graphic-properties draw:fill-color="#ffffff" draw:auto-grow-height="true" fo:min-height="13.367cm"/>
+  </style:style>
+  <style:style style:name="P1" style:family="paragraph">
+   <style:paragraph-properties fo:margin-left="0cm" fo:margin-right="0cm" fo:text-indent="0cm"/>
+  </style:style>
+  <style:style style:name="P2" style:family="paragraph">
+   <style:paragraph-properties fo:margin-left="0.6cm" fo:margin-right="0cm" fo:text-indent="-0.6cm"/>
+  </style:style>
+  <text:list-style style:name="L1">
+   <text:list-level-style-bullet text:level="1" text:bullet-char="●">
+    <style:text-properties fo:font-family="StarSymbol" style:use-window-font-color="true" fo:font-size="45%"/>
+   </text:list-level-style-bullet>
+   <text:list-level-style-bullet text:level="2" text:bullet-char="●">
+    <style:list-level-properties text:space-before="0.6cm" text:min-label-width="0.6cm"/>
+    <style:text-properties fo:font-family="StarSymbol" style:use-window-font-color="true" fo:font-size="45%"/>
+   </text:list-level-style-bullet>
+   <text:list-level-style-bullet text:level="3" text:bullet-char="●">
+    <style:list-level-properties text:space-before="1.2cm" text:min-label-width="0.6cm"/>
+    <style:text-properties fo:font-family="StarSymbol" style:use-window-font-color="true" fo:font-size="45%"/>
+   </text:list-level-style-bullet>
+   <text:list-level-style-bullet text:level="4" text:bullet-char="●">
+    <style:list-level-properties text:space-before="1.8cm" text:min-label-width="0.6cm"/>
+    <style:text-properties fo:font-family="StarSymbol" style:use-window-font-color="true" fo:font-size="45%"/>
+   </text:list-level-style-bullet>
+   <text:list-level-style-bullet text:level="5" text:bullet-char="●">
+    <style:list-level-properties text:space-before="2.4cm" text:min-label-width="0.6cm"/>
+    <style:text-properties fo:font-family="StarSymbol" style:use-window-font-color="true" fo:font-size="45%"/>
+   </text:list-level-style-bullet>
+   <text:list-level-style-bullet text:level="6" text:bullet-char="●">
+    <style:list-level-properties text:space-before="3cm" text:min-label-width="0.6cm"/>
+    <style:text-properties fo:font-family="StarSymbol" style:use-window-font-color="true" fo:font-size="45%"/>
+   </text:list-level-style-bullet>
+   <text:list-level-style-bullet text:level="7" text:bullet-char="●">
+    <style:list-level-properties text:space-before="3.6cm" text:min-label-width="0.6cm"/>
+    <style:text-properties fo:font-family="StarSymbol" style:use-window-font-color="true" fo:font-size="45%"/>
+   </text:list-level-style-bullet>
+   <text:list-level-style-bullet text:level="8" text:bullet-char="●">
+    <style:list-level-properties text:space-before="4.2cm" text:min-label-width="0.6cm"/>
+    <style:text-properties fo:font-family="StarSymbol" style:use-window-font-color="true" fo:font-size="45%"/>
+   </text:list-level-style-bullet>
+   <text:list-level-style-bullet text:level="9" text:bullet-char="●">
+    <style:list-level-properties text:space-before="4.8cm" text:min-label-width="0.6cm"/>
+    <style:text-properties fo:font-family="StarSymbol" style:use-window-font-color="true" fo:font-size="45%"/>
+   </text:list-level-style-bullet>
+  </text:list-style>
+ </office:automatic-styles>
+ <office:body>
+  <office:presentation>
+~;
+
+}
+
+sub writeSlideHeader
+{
+    my $titleText = pop @_;
+    my $slideNum = pop @_;
+
+    print $OUT "    <draw:page draw:name=\"page1\" draw:style-name=\"dp1\" draw:master-page-name=\"Default\">\n";
+    print $OUT "     <office:forms form:automatic-focus=\"false\" form:apply-design-mode=\"false\"/>\n";
+    print $OUT "     <draw:rect draw:style-name=\"gr1\" draw:text-style-name=\"P1\" draw:id=\"id$slideNum\" draw:layer=\"layout\" svg:width=\"17.5cm\" svg:height=\"6cm\" svg:x=\"5cm\" svg:y=\"4cm\">\n";
+    print $OUT "      <text:p text:style-name=\"P2\">Slide: $slideNum</text:p>\n";
+    print $OUT "      <text:p text:style-name=\"P2\">Path: $titleText</text:p>\n";
+    print $OUT "     </draw:rect>\n";
+}
+
+
+sub writeSlideFooter
+{
+    print $OUT "    <presentation:notes draw:style-name=\"dp1\">\n";
+    print $OUT "     <draw:page-thumbnail draw:style-name=\"gr1\" draw:layer=\"layout\" svg:width=\"14.851cm\" svg:height=\"11.138cm\" svg:x=\"3.068cm\" svg:y=\"2.257cm\" draw:page-number=\"1\" presentation:class=\"page\"/>\n";
+    print $OUT "     <draw:frame presentation:style-name=\"pr3\" draw:layer=\"layout\" svg:width=\"16.79cm\" svg:height=\"13.116cm\" svg:x=\"2.098cm\" svg:y=\"14.109cm\" presentation:class=\"notes\" presentation:placeholder=\"true\">\n";
+    print $OUT "      <draw:text-box/>\n";
+    print $OUT "     </draw:frame>\n";
+    print $OUT "    </presentation:notes>\n";
+    print $OUT "   </draw:page>\n";
+}
+
+sub writeFooter
+{
+    print $OUT qq~   <presentation:settings presentation:full-screen="false"/>
+  </office:presentation>
+ </office:body>
+</office:document-content>
+~;
+
+}
+
+sub writePath
+{
+    my $pathAry = pop @_;
+    my $path = $pathAry->[1];
+    my $viewBox = $pathAry->[0];
+
+    print $OUT "       <draw:path draw:style-name=\"gr2\" draw:text-style-name=\"P1\" draw:layer=\"layout\" svg:width=\"10cm\" svg:height=\"10cm\" svg:x=\"5cm\" svg:y=\"5cm\" svg:viewBox=\"";
+    print $OUT $viewBox;
+    print $OUT "\" svg:d=\"";
+    print $OUT $path;
+    print $OUT "\">\n";
+    print $OUT "         <text:p/>\n";
+    print $OUT "       </draw:path>\n";
+}
+
+sub writeManifest
+{
+    my $outFile = open_file("META-INF/manifest.xml");
+
+    print $outFile qq~<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE manifest:manifest PUBLIC "-//OpenOffice.org//DTD Manifest 1.0//EN" "Manifest.dtd">
+<manifest:manifest xmlns:manifest="urn:oasis:names:tc:opendocument:xmlns:manifest:1.0">
+ <manifest:file-entry manifest:media-type="application/vnd.oasis.opendocument.presentation" manifest:full-path="/"/>
+ <manifest:file-entry manifest:media-type="text/xml" manifest:full-path="content.xml"/>
+</manifest:manifest>
+~;
+
+    $outFile->close;
+}
+
+
+###############################################################################
+#   Print usage information.
+#
+sub usage   ()
+{
+    print <<END_OF_USAGE;
+usage: $0 <option>* [<SvgD-values>]
+
+output-file-name defaults to polygons.odp.
+
+         -h    Print this usage information.
+         -o    output-file-name
+END_OF_USAGE
+}
+
+###############################################################################
+#   Process the command line.
+#
+sub process_command_line
+{
+    foreach (@ARGV)
+    {
+        if (/^-h/)
+        {
+            usage;
+            exit 0;
+        }
+    }
+
+    $global_output_name = "polygons.odp";
+    my  $j = 0, $noMoreOptions = 0;
+    for (my $i=0; $i<$#ARGV; $i++)
+    {
+        if ( !$noMoreOptions and $ARGV[$i] eq "-o")
+        {
+            $i++;
+            $global_output_name = $ARGV[$i];
+        }
+        elsif ( !$noMoreOptions and $ARGV[$i] eq "--")
+        {
+            $noMoreOptions = 1;
+        }
+        elsif ( !$noMoreOptions and $ARGV[$i] =~ /^-/)
+        {
+            print "Unknown option $ARGV[$i]\n";
+            usage;
+            exit 1;
+        }
+        else
+        {
+            push(@paths, [$ARGV[$i],$ARGV[$i+1]]);
+            $i++;
+        }
+    }
+
+    print "output to $global_output_name\n";
+}
+
+###############################################################################
+#   Main
+###############################################################################
+
+$ZipCmd = $ENV{LOG_FILE_ZIP_CMD};
+$ZipFlags = $ENV{LOG_FILE_ZIP_FLAGS};
+#   Provide default values for the zip command and it's flags.
+if ( ! defined $ZipCmd)
+{
+    $ZipCmd = "zip" unless defined $ZipCmd;
+    $ZipFlags = "-r -q" unless defined $ZipFlags;
+}
+
+process_command_line();
+
+writeManifest();
+
+$OUT = open_file( "content.xml" );
+
+writeHeader();
+
+$pathNum=0;
+foreach $path (@paths)
+{
+    writeSlideHeader($pathNum, $path->[1]);
+    writePath($path);
+    writeSlideFooter();
+    $pathNum++;
+}
+
+writeFooter();
+
+$OUT->close;
+
+zip_dirtree ($global_output_name);
+

basegfx/source/polygon/b2dpolygon.cxx

@@ -44,38 +44,24 @@
 
 //////////////////////////////////////////////////////////////////////////////
 
-class CoordinateData2D
+struct CoordinateData2D : public basegfx::B2DPoint
 {
-    basegfx::B2DPoint                               maPoint;
-
 public:
-    CoordinateData2D()
-    :   maPoint()
-    {}
+    CoordinateData2D() {}
 
     explicit CoordinateData2D(const basegfx::B2DPoint& rData)
-    :   maPoint(rData)
+    :   B2DPoint(rData)
     {}
 
-    const basegfx::B2DPoint& getCoordinate() const
-    {
-        return maPoint;
-    }
-
-    void setCoordinate(const basegfx::B2DPoint& rValue)
-    {
-        if(rValue != maPoint)
-            maPoint = rValue;
-    }
-
-    bool operator==(const CoordinateData2D& rData ) const
+    CoordinateData2D& operator=(const basegfx::B2DPoint& rData)
     {
-        return (maPoint == rData.getCoordinate());
+        B2DPoint::operator=(rData);
+        return *this;
     }
 
     void transform(const basegfx::B2DHomMatrix& rMatrix)
     {
-        maPoint *= rMatrix;
+        *this *= rMatrix;
     }
 };
 
@@ -115,12 +101,12 @@ public:
 
     const basegfx::B2DPoint& getCoordinate(sal_uInt32 nIndex) const
     {
-        return maVector[nIndex].getCoordinate();
+        return maVector[nIndex];
     }
 
     void setCoordinate(sal_uInt32 nIndex, const basegfx::B2DPoint& rValue)
     {
-        maVector[nIndex].setCoordinate(rValue);
+        maVector[nIndex] = rValue;
     }
 
     void insert(sal_uInt32 nIndex, const CoordinateData2D& rValue, sal_uInt32 nCount)
@@ -221,6 +207,26 @@ public:
             aStart->transform(rMatrix);
         }
     }
+
+    const basegfx::B2DPoint* begin() const
+    {
+        return &maVector.front();
+    }
+
+    const basegfx::B2DPoint* end() const
+    {
+        return &maVector[maVector.size()];
+    }
+
+    basegfx::B2DPoint* begin()
+    {
+        return &maVector.front();
+    }
+
+    basegfx::B2DPoint* end()
+    {
+        return &maVector[maVector.size()];
+    }
 };
 
 //////////////////////////////////////////////////////////////////////////////
@@ -1113,6 +1119,28 @@ public:
             maPoints.transform(rMatrix);
         }
     }
+
+    const basegfx::B2DPoint* begin() const
+    {
+        return maPoints.begin();
+    }
+
+    const basegfx::B2DPoint* end() const
+    {
+        return maPoints.end();
+    }
+
+    basegfx::B2DPoint* begin()
+    {
+       mpBufferedData.reset();
+       return maPoints.begin();
+    }
+
+    basegfx::B2DPoint* end()
+    {
+        mpBufferedData.reset();
+        return maPoints.end();
+    }
 };
 
 //////////////////////////////////////////////////////////////////////////////
@@ -1173,7 +1201,7 @@ namespace basegfx
         return mpPolygon->count();
     }
 
-    B2DPoint B2DPolygon::getB2DPoint(sal_uInt32 nIndex) const
+    const B2DPoint& B2DPolygon::getB2DPoint(sal_uInt32 nIndex) const
     {
         OSL_ENSURE(nIndex < mpPolygon->count(), "B2DPolygon access outside range (!)");
 
@@ -1432,7 +1460,7 @@ namespace basegfx
         return mpPolygon->getDefaultAdaptiveSubdivision(*this);
     }
 
-    B2DRange B2DPolygon::getB2DRange() const
+    const B2DRange& B2DPolygon::getB2DRange() const
     {
         return mpPolygon->getB2DRange(*this);
     }
@@ -1540,6 +1568,26 @@ namespace basegfx
             mpPolygon->transform(rMatrix);
         }
     }
+
+    const B2DPoint* B2DPolygon::begin() const
+    {
+        return mpPolygon->begin();
+    }
+
+    const B2DPoint* B2DPolygon::end() const
+    {
+        return mpPolygon->end();
+    }
+
+    B2DPoint* B2DPolygon::begin()
+    {
+        return mpPolygon->begin();
+    }
+
+    B2DPoint* B2DPolygon::end()
+    {
+        return mpPolygon->end();
+    }
 } // end of namespace basegfx
 
 //////////////////////////////////////////////////////////////////////////////

basegfx/source/polygon/b2dpolypolygon.cxx

@@ -166,6 +166,26 @@ public:
                        maPolygons.end(),
                        std::mem_fun_ref( &basegfx::B2DPolygon::makeUnique ));
     }
+
+    const basegfx::B2DPolygon* begin() const
+    {
+        return &maPolygons.front();
+    }
+
+    const basegfx::B2DPolygon* end() const
+    {
+        return &maPolygons[maPolygons.size()];
+    }
+
+    basegfx::B2DPolygon* begin()
+    {
+        return &maPolygons.front();
+    }
+
+    basegfx::B2DPolygon* end()
+    {
+        return &maPolygons[maPolygons.size()];
+    }
 };
 
 //////////////////////////////////////////////////////////////////////////////
@@ -378,6 +398,26 @@ namespace basegfx
             mpPolyPolygon->transform(rMatrix);
         }
     }
+
+    const B2DPolygon* B2DPolyPolygon::begin() const
+    {
+        return mpPolyPolygon->begin();
+    }
+
+    const B2DPolygon* B2DPolyPolygon::end() const
+    {
+        return mpPolyPolygon->end();
+    }
+
+    B2DPolygon* B2DPolyPolygon::begin()
+    {
+        return mpPolyPolygon->begin();
+    }
+
+    B2DPolygon* B2DPolyPolygon::end()
+    {
+        return mpPolyPolygon->end();
+    }
 } // end of namespace basegfx
 
 // eof

basegfx/source/range/b2dmultirange.cxx

-/*************************************************************************
- *
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * Copyright 2008 by Sun Microsystems, Inc.
- *
- * OpenOffice.org - a multi-platform office productivity suite
- *
- * $RCSfile: b2dmultirange.cxx,v $
- * $Revision: 1.8 $
- *
- * This file is part of OpenOffice.org.
- *
- * OpenOffice.org is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License version 3
- * only, as published by the Free Software Foundation.
- *
- * OpenOffice.org 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 version 3 for more details
- * (a copy is included in the LICENSE file that accompanied this code).
- *
- * You should have received a copy of the GNU Lesser General Public License
- * version 3 along with OpenOffice.org.  If not, see
- * <http://www.openoffice.org/license.html>
- * for a copy of the LGPLv3 License.
- *
- ************************************************************************/
-
-// MARKER(update_precomp.py): autogen include statement, do not remove
-#include "precompiled_basegfx.hxx"
-#include <basegfx/range/b2drange.hxx>
-#include <basegfx/tuple/b2dtuple.hxx>
-#include <basegfx/polygon/b2dpolypolygon.hxx>
-#include <basegfx/range/b2dmultirange.hxx>
-#include <basegfx/polygon/b2dpolygontools.hxx>
-#include <basegfx/polygon/b2dpolypolygontools.hxx>
-#include <basegfx/polygon/b2dpolypolygoncutter.hxx>
-#include <boost/bind.hpp>
-#include <boost/mem_fn.hpp>
-#include <algorithm>
-#include <vector>
-
-
-namespace basegfx
-{
-    class ImplB2DMultiRange
-    {
-    public:
-        ImplB2DMultiRange() :
-            maBounds(),
-            maRanges()
-        {
-        }
-
-        explicit ImplB2DMultiRange( const B2DRange& rRange ) :
-            maBounds(),
-            maRanges( 1, rRange )
-        {
-        }
-
-        bool isEmpty() const
-        {
-            // no ranges at all, or all ranges empty
-            return maRanges.empty() ||
-                ::std::count_if( maRanges.begin(),
-                                 maRanges.end(),
-                                 ::boost::mem_fn( &B2DRange::isEmpty ) )
-                == static_cast<VectorOfRanges::difference_type>(maRanges.size());
-        }
-
-        void reset()
-        {
-            // swap in empty vector
-            VectorOfRanges aTmp;
-            maRanges.swap( aTmp );
-
-            maBounds.reset();
-        }
-
-        template< typename ValueType > bool isInside( const ValueType& rValue ) const
-        {
-            if( !maBounds.isInside( rValue ) )
-                return false;
-
-            // cannot use ::boost::bind here, since isInside is overloaded.
-            // It is currently not possible to resolve the overload
-            // by considering one of the other template arguments.
-            VectorOfRanges::const_iterator       aCurr( maRanges.begin() );
-            const VectorOfRanges::const_iterator aEnd ( maRanges.end() );
-            while( aCurr != aEnd )
-                if( aCurr->isInside( rValue ) )
-                    return true;
-
-            return false;
-        }
-
-        bool overlaps( const B2DRange& rRange ) const
-        {
-            if( !maBounds.overlaps( rRange ) )
-                return false;
-
-            const VectorOfRanges::const_iterator aEnd( maRanges.end() );
-            return ::std::find_if( maRanges.begin(),
-                                   aEnd,
-                                   ::boost::bind<bool>( ::boost::mem_fn( &B2DRange::overlaps ),
-                                                        _1,
-                                                        rRange ) ) != aEnd;
-        }
-
-        void addRange( const B2DRange& rRange )
-        {
-            maRanges.push_back( rRange );
-            maBounds.expand( rRange );
-        }
-
-        B2DRange getBounds() const
-        {
-            return maBounds;
-        }
-
-        B2DPolyPolygon getPolyPolygon() const
-        {
-            B2DPolyPolygon aRes;
-
-            // Make range vector unique ( have to avoid duplicate
-            // rectangles. The polygon clipper will return an empty
-            // result in this case).
-            VectorOfRanges  aUniqueRanges;
-            aUniqueRanges.reserve( maRanges.size() );
-
-            VectorOfRanges::const_iterator       aCurr( maRanges.begin() );
-            const VectorOfRanges::const_iterator aEnd ( maRanges.end() );
-            while( aCurr != aEnd )
-            {
-                // TODO(F3): It's plain wasted resources to apply a
-                // general clipping algorithm to the problem at
-                // hand. Go for a dedicated, scan-line-based approach.
-                VectorOfRanges::const_iterator aCurrScan( aCurr+1 );
-                VectorOfRanges::const_iterator aFound( aEnd );
-                while( aCurrScan != aEnd )
-                {
-                    if( aCurrScan->equal( *aCurr ) ||
-                        aCurrScan->isInside( *aCurr ) )
-                    {
-                        // current probe is equal to aCurr, or
-                        // completely contains aCurr. Thus, stop
-                        // searching, because aCurr is definitely not
-                        // a member of the unique rect list
-                        aFound = aCurrScan;
-                        break;
-                    }
-
-                    ++aCurrScan;
-                }
-
-                if( aFound == aEnd )
-                {
-                    // check whether aCurr is fully contained in one
-                    // of the already added rects. If yes, we can skip
-                    // it.
-                    bool bUnique( true );
-                    VectorOfRanges::const_iterator aCurrUnique( aUniqueRanges.begin() );
-                    VectorOfRanges::const_iterator aEndUnique ( aUniqueRanges.end() );
-                    while( aCurrUnique != aEndUnique )
-                    {
-                        if( aCurrUnique->isInside( *aCurr ) )
-                        {
-                            // fully contained, no need to add
-                            bUnique = false;
-                            break;
-                        }
-
-                        ++aCurrUnique;
-                    }
-
-                    if( bUnique )
-                        aUniqueRanges.push_back( *aCurr );
-                }
-
-                ++aCurr;
-            }
-
-            VectorOfRanges::const_iterator       aCurrUnique( aUniqueRanges.begin() );
-            const VectorOfRanges::const_iterator aEndUnique ( aUniqueRanges.end() );
-            while( aCurrUnique != aEndUnique )
-            {
-                // simply merge all unique parts (OR)
-                aRes.append( tools::createPolygonFromRect( *aCurrUnique++ ) );
-            }
-
-            // remove redundant intersections. Note: since all added
-            // rectangles are positively oriented, this method cannot
-            // generate any holes.
-            aRes = basegfx::tools::solveCrossovers(aRes);
-            aRes = basegfx::tools::stripNeutralPolygons(aRes);
-            aRes = basegfx::tools::stripDispensablePolygons(aRes, false);
-
-            return aRes;
-        }
-
-    private:
-        typedef ::std::vector< B2DRange >   VectorOfRanges;
-
-        B2DRange        maBounds;
-        VectorOfRanges  maRanges;
-    };
-
-
-    // ====================================================================
-
-
-    B2DMultiRange::B2DMultiRange() :
-        mpImpl()
-    {
-    }
-
-    B2DMultiRange::B2DMultiRange( const B2DRange& rRange ) :
-        mpImpl( ImplB2DMultiRange( rRange ) )
-    {
-    }
-
-    B2DMultiRange::~B2DMultiRange()
-    {
-        // otherwise, ImplB2DMultiRange would be an incomplete type
-    }
-
-    B2DMultiRange::B2DMultiRange( const B2DMultiRange& rSrc ) :
-        mpImpl( rSrc.mpImpl )
-    {
-    }
-
-    B2DMultiRange& B2DMultiRange::operator=( const B2DMultiRange& rSrc )
-    {
-        mpImpl = rSrc.mpImpl;
-        return *this;
-    }
-
-    bool B2DMultiRange::isEmpty() const
-    {
-        return mpImpl->isEmpty();
-    }
-
-    void B2DMultiRange::reset()
-    {
-        mpImpl->reset();
-    }
-
-    bool B2DMultiRange::isInside( const B2DTuple& rTuple ) const
-    {
-        return mpImpl->isInside( rTuple );
-    }
-
-    bool B2DMultiRange::isInside( const B2DRange& rRange ) const
-    {
-        return mpImpl->isInside( rRange );
-    }
-
-    bool B2DMultiRange::overlaps( const B2DRange& rRange ) const
-    {
-        return mpImpl->overlaps( rRange );
-    }
-
-    void B2DMultiRange::addRange( const B2DRange& rRange )
-    {
-        mpImpl->addRange( rRange );
-    }
-
-    B2DRange B2DMultiRange::getBounds() const
-    {
-        return mpImpl->getBounds();
-    }
-
-    B2DPolyPolygon B2DMultiRange::getPolyPolygon() const
-    {
-        return mpImpl->getPolyPolygon();
-    }
-
-} // end of namespace basegfx
-
-// eof

basegfx/source/range/b2dpolyrange.cxx

+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2008 by Sun Microsystems, Inc.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * $RCSfile: b2dmultirange.cxx,v $
+ * $Revision: 1.8 $
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org 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 version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org.  If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+// MARKER(update_precomp.py): autogen include statement, do not remove
+#include "precompiled_basegfx.hxx"
+#include <basegfx/range/b2dpolyrange.hxx>
+
+#include <basegfx/range/b2drange.hxx>
+#include <basegfx/range/b2drangeclipper.hxx>
+#include <basegfx/tuple/b2dtuple.hxx>
+#include <basegfx/polygon/b2dpolypolygon.hxx>
+
+#include <boost/bind.hpp>
+#include <boost/tuple/tuple.hpp>
+#include <algorithm>
+#include <vector>
+
+static basegfx::B2VectorOrientation flipOrientation(
+    basegfx::B2VectorOrientation eOrient)
+{
+    return eOrient == basegfx::ORIENTATION_POSITIVE ?
+        basegfx::ORIENTATION_NEGATIVE : basegfx::ORIENTATION_POSITIVE;
+}
+
+namespace basegfx
+{
+    class ImplB2DPolyRange
+    {
+        void updateBounds()
+        {
+            maBounds.reset();
+            std::for_each(maRanges.begin(),
+                          maRanges.end(),
+                          boost::bind(
+                              (void (B2DRange::*)(const B2DRange&))(
+                 &B2DRange::expand),
+                              boost::ref(maBounds),
+                              _1));
+        }
+
+    public:
+        ImplB2DPolyRange() :
+            maBounds(),
+            maRanges(),
+            maOrient()
+        {}
+
+        explicit ImplB2DPolyRange( const B2DPolyRange::ElementType& rElem ) :
+            maBounds( boost::get<0>(rElem) ),
+            maRanges( 1, boost::get<0>(rElem) ),
+            maOrient( 1, boost::get<1>(rElem) )
+        {}
+
+        explicit ImplB2DPolyRange( const B2DRange& rRange, B2VectorOrientation eOrient ) :
+            maBounds( rRange ),
+            maRanges( 1, rRange ),
+            maOrient( 1, eOrient )
+        {}
+
+        bool operator==(const ImplB2DPolyRange& rRHS) const
+        {
+            return maRanges == rRHS.maRanges && maOrient == rRHS.maOrient;
+        }
+
+        sal_uInt32 count() const
+        {
+            return maRanges.size();
+        }
+
+        B2DPolyRange::ElementType getElement(sal_uInt32 nIndex) const
+        {
+            return boost::make_tuple(maRanges[nIndex],
+                                     maOrient[nIndex]);
+        }
+
+        void setElement(sal_uInt32 nIndex, const B2DPolyRange::ElementType& rElement )
+        {
+            maRanges[nIndex] = boost::get<0>(rElement);
+            maOrient[nIndex] = boost::get<1>(rElement);
+            updateBounds();
+        }
+
+        void setElement(sal_uInt32 nIndex, const B2DRange& rRange, B2VectorOrientation eOrient )
+        {
+            maRanges[nIndex] = rRange;
+            maOrient[nIndex] = eOrient;
+            updateBounds();
+        }
+
+        void insertElement(sal_uInt32 nIndex, const B2DPolyRange::ElementType& rElement, sal_uInt32 nCount)
+        {
+            maRanges.insert(maRanges.begin()+nIndex, nCount, boost::get<0>(rElement));
+            maOrient.insert(maOrient.begin()+nIndex, nCount, boost::get<1>(rElement));
+            maBounds.expand(boost::get<0>(rElement));
+        }
+
+        void insertElement(sal_uInt32 nIndex, const B2DRange& rRange, B2VectorOrientation eOrient, sal_uInt32 nCount)
+        {
+            maRanges.insert(maRanges.begin()+nIndex, nCount, rRange);
+            maOrient.insert(maOrient.begin()+nIndex, nCount, eOrient);
+            maBounds.expand(rRange);
+        }
+
+        void appendElement(const B2DPolyRange::ElementType& rElement, sal_uInt32 nCount)
+        {
+            maRanges.insert(maRanges.end(), nCount, boost::get<0>(rElement));
+            maOrient.insert(maOrient.end(), nCount, boost::get<1>(rElement));
+            maBounds.expand(boost::get<0>(rElement));
+        }
+
+        void appendElement(const B2DRange& rRange, B2VectorOrientation eOrient, sal_uInt32 nCount)
+        {
+            maRanges.insert(maRanges.end(), nCount, rRange);
+            maOrient.insert(maOrient.end(), nCount, eOrient);
+            maBounds.expand(rRange);
+        }
+
+        void insertPolyRange(sal_uInt32 nIndex, const ImplB2DPolyRange& rPolyRange)
+        {
+            maRanges.insert(maRanges.begin()+nIndex, rPolyRange.maRanges.begin(), rPolyRange.maRanges.end());
+            maOrient.insert(maOrient.begin()+nIndex, rPolyRange.maOrient.begin(), rPolyRange.maOrient.end());
+            updateBounds();
+        }
+
+        void appendPolyRange(const ImplB2DPolyRange& rPolyRange)
+        {
+            maRanges.insert(maRanges.end(),
+                            rPolyRange.maRanges.begin(),
+                            rPolyRange.maRanges.end());
+            maOrient.insert(maOrient.end(),
+                            rPolyRange.maOrient.begin(),
+                            rPolyRange.maOrient.end());
+            updateBounds();
+        }
+
+        void remove(sal_uInt32 nIndex, sal_uInt32 nCount)
+        {
+            maRanges.erase(maRanges.begin()+nIndex,maRanges.begin()+nIndex+nCount);
+            maOrient.erase(maOrient.begin()+nIndex,maOrient.begin()+nIndex+nCount);
+            updateBounds();
+        }
+
+        void clear()
+        {
+            std::vector<B2DRange> aTmpRanges;
+            std::vector<B2VectorOrientation> aTmpOrient;
+
+            maRanges.swap(aTmpRanges);
+            maOrient.swap(aTmpOrient);
+
+            maBounds.reset();
+        }
+
+        void flip()
+        {
+            std::for_each(maOrient.begin(),
+                          maOrient.end(),
+                          boost::bind(
+                              &flipOrientation,
+                              _1));
+        }
+
+        B2DRange getBounds() const
+        {
+            return maBounds;
+        }
+
+        template< typename ValueType > bool isInside( const ValueType& rValue ) const
+        {
+            if( !maBounds.isInside( rValue ) )
+                return false;
+
+            // cannot use boost::bind here, since isInside is overloaded.
+            // It is currently not possible to resolve the overload
+            // by considering one of the other template arguments.
+            std::vector<B2DRange>::const_iterator       aCurr( maRanges.begin() );
+            const std::vector<B2DRange>::const_iterator aEnd ( maRanges.end() );
+            while( aCurr != aEnd )
+                if( aCurr->isInside( rValue ) )
+                    return true;
+
+            return false;
+        }
+
+        bool overlaps( const B2DRange& rRange ) const
+        {
+            if( !maBounds.overlaps( rRange ) )
+                return false;
+
+            const std::vector<B2DRange>::const_iterator aEnd( maRanges.end() );
+            return std::find_if( maRanges.begin(),
+                                 aEnd,
+                                 boost::bind<bool>( boost::mem_fn( &B2DRange::overlaps ),
+                                                    _1,
+                                                    boost::cref(rRange) ) ) != aEnd;
+        }
+
+        B2DPolyPolygon solveCrossovers() const
+        {
+            return tools::solveCrossovers(maRanges,maOrient);
+        }
+
+    private:
+        B2DRange                         maBounds;
+        std::vector<B2DRange>            maRanges;
+        std::vector<B2VectorOrientation> maOrient;
+    };
+
+    B2DPolyRange::B2DPolyRange() :
+        mpImpl()
+    {}
+
+    B2DPolyRange::~B2DPolyRange()
+    {}
+
+    B2DPolyRange::B2DPolyRange( const ElementType& rElem ) :
+        mpImpl( ImplB2DPolyRange( rElem ) )
+    {}
+
+    B2DPolyRange::B2DPolyRange( const B2DRange& rRange, B2VectorOrientation eOrient ) :
+        mpImpl( ImplB2DPolyRange( rRange, eOrient ) )
+    {}
+
+    B2DPolyRange::B2DPolyRange( const B2DPolyRange& rRange ) :
+        mpImpl( rRange.mpImpl )
+    {}
+
+    B2DPolyRange& B2DPolyRange::operator=( const B2DPolyRange& rRange )
+    {
+        mpImpl = rRange.mpImpl;
+        return *this;
+    }
+
+    void B2DPolyRange::makeUnique()
+    {
+        mpImpl.make_unique();
+    }
+
+    bool B2DPolyRange::operator==(const B2DPolyRange& rRange) const
+    {
+        if(mpImpl.same_object(rRange.mpImpl))
+            return true;
+
+        return ((*mpImpl) == (*rRange.mpImpl));
+    }
+
+    bool B2DPolyRange::operator!=(const B2DPolyRange& rRange) const
+    {
+        return !(*this == rRange);
+    }
+
+    sal_uInt32 B2DPolyRange::count() const
+    {
+        return mpImpl->count();
+    }
+
+    B2DPolyRange::ElementType B2DPolyRange::getElement(sal_uInt32 nIndex) const
+    {
+        return mpImpl->getElement(nIndex);
+    }
+
+    void B2DPolyRange::setElement(sal_uInt32 nIndex, const ElementType& rElement )
+    {
+        mpImpl->setElement(nIndex, rElement);
+    }
+
+    void B2DPolyRange::setElement(sal_uInt32 nIndex, const B2DRange& rRange, B2VectorOrientation eOrient )
+    {
+        mpImpl->setElement(nIndex, rRange, eOrient );
+    }
+
+    void B2DPolyRange::insertElement(sal_uInt32 nIndex, const ElementType& rElement, sal_uInt32 nCount)
+    {
+        mpImpl->insertElement(nIndex, rElement, nCount );
+    }
+
+    void B2DPolyRange::insertElement(sal_uInt32 nIndex, const B2DRange& rRange, B2VectorOrientation eOrient, sal_uInt32 nCount)
+    {
+        mpImpl->insertElement(nIndex, rRange, eOrient, nCount );
+    }
+
+    void B2DPolyRange::appendElement(const ElementType& rElement, sal_uInt32 nCount)
+    {
+        mpImpl->appendElement(rElement, nCount);
+    }
+
+    void B2DPolyRange::appendElement(const B2DRange& rRange, B2VectorOrientation eOrient, sal_uInt32 nCount)
+    {
+        mpImpl->appendElement(rRange, eOrient, nCount );
+    }
+
+    void B2DPolyRange::insertPolyRange(sal_uInt32 nIndex, const B2DPolyRange& rRange)
+    {
+        mpImpl->insertPolyRange(nIndex, *rRange.mpImpl);
+    }
+
+    void B2DPolyRange::appendPolyRange(const B2DPolyRange& rRange)
+    {
+        mpImpl->appendPolyRange(*rRange.mpImpl);
+    }
+
+    void B2DPolyRange::remove(sal_uInt32 nIndex, sal_uInt32 nCount)
+    {
+        mpImpl->remove(nIndex, nCount);
+    }
+
+    void B2DPolyRange::clear()
+    {
+        mpImpl->clear();
+    }
+
+    void B2DPolyRange::flip()
+    {
+        mpImpl->flip();
+    }
+
+    B2DRange B2DPolyRange::getBounds() const
+    {
+        return mpImpl->getBounds();
+    }
+
+    bool B2DPolyRange::isInside( const B2DTuple& rTuple ) const
+    {
+        return mpImpl->isInside(rTuple);
+    }
+
+    bool B2DPolyRange::isInside( const B2DRange& rRange ) const
+    {
+        return mpImpl->isInside(rRange);
+    }
+
+    bool B2DPolyRange::overlaps( const B2DRange& rRange ) const
+    {
+        return mpImpl->overlaps(rRange);
+    }
+
+    B2DPolyPolygon B2DPolyRange::solveCrossovers() const
+    {
+        return mpImpl->solveCrossovers();
+    }
+
+} // end of namespace basegfx
+
+// eof

basegfx/source/range/b2drangeclipper.cxx

+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2008 by Sun Microsystems, Inc.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * $RCSfile: b2dmultirange.cxx,v $
+ * $Revision: 1.8 $
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org 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 version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org.  If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+// MARKER(update_precomp.py): autogen include statement, do not remove
+#include "precompiled_basegfx.hxx"
+
+#include <rtl/math.hxx>
+
+#include <basegfx/tuple/b2dtuple.hxx>
+#include <basegfx/range/b2drange.hxx>
+#include <basegfx/range/b2dpolyrange.hxx>
+#include <basegfx/polygon/b2dpolypolygon.hxx>
+#include <basegfx/polygon/b2dpolygontools.hxx>
+#include <basegfx/polygon/b2dpolypolygontools.hxx>
+
+#include <o3tl/vector_pool.hxx>
+#include <boost/bind.hpp>
+#include <boost/utility.hpp>
+
+#include <algorithm>
+#include <deque>
+#include <list>
+
+
+namespace basegfx
+{
+    namespace
+    {
+        // Generating a poly-polygon from a bunch of rectangles
+        //
+        // Helper functionality for sweep-line algorithm
+        // ====================================================
+
+        typedef std::vector<B2DRange> VectorOfRanges;
+
+        class ImplPolygon;
+        typedef o3tl::vector_pool<ImplPolygon> VectorOfPolygons;
+
+
+        /** This class represents an active edge
+
+            As the sweep line traverses across the overall area,
+            rectangle edges parallel to it generate events, and
+            rectangle edges orthogonal to it generate active
+            edges. This class represents the latter.
+         */
+        class ActiveEdge
+        {
+        public:
+            /** The two possible active rectangle edges differ by one
+                coordinate value - the upper edge has the lower, the
+                lower edge the higher value.
+             */
+            enum EdgeType {
+                /// edge with lower coordinate value
+                UPPER=0,
+                /// edge with higher coordinate value
+                LOWER=1
+            };
+
+            enum EdgeDirection {
+                /// edge proceeds to the left
+                PROCEED_LEFT=0,
+                /// edge proceeds to the right
+                PROCEED_RIGHT=1
+            };
+
+            /** Create active edge
+
+                @param rRect
+                Rectangle this edge is part of
+
+                @param fInvariantCoord
+                The invariant ccordinate value of this edge
+
+                @param eEdgeType
+                Is fInvariantCoord the lower or the higher value, for
+                this rect?
+             */
+            ActiveEdge( const B2DRectangle& rRect,
+                        const double&       fInvariantCoord,
+                        std::ptrdiff_t      nPolyIdx,
+                        EdgeType            eEdgeType,
+                        EdgeDirection       eEdgeDirection ) :
+                mfInvariantCoord(fInvariantCoord),
+                mpAssociatedRect( &rRect ),
+                mnPolygonIdx( nPolyIdx ),
+                meEdgeType( eEdgeType ),
+                meEdgeDirection( eEdgeDirection )
+            {}
+
+            double              getInvariantCoord() const { return mfInvariantCoord; }
+            const B2DRectangle& getRect() const { return *mpAssociatedRect; }
+            std::ptrdiff_t      getTargetPolygonIndex() const { return mnPolygonIdx; }
+            void                setTargetPolygonIndex( std::ptrdiff_t nIdx ) { mnPolygonIdx = nIdx; }
+            EdgeType            getEdgeType() const { return meEdgeType; }
+            EdgeDirection       getEdgeDirection() const { return meEdgeDirection; }
+
+            /// For STL sort
+            bool operator<( const ActiveEdge& rRHS ) const { return mfInvariantCoord < rRHS.mfInvariantCoord; }
+
+        private:
+            /** The invariant coordinate value of this edge (e.g. the
+                common y value, for a horizontal edge)
+             */
+            double              mfInvariantCoord;
+
+            /** Associated rectangle
+
+                This on the one hand saves some storage space (the
+                vector of rectangles is persistent, anyway), and on
+                the other hand provides an identifier to match active
+                edges and x events (see below)
+
+                Ptr because class needs to be assignable
+             */
+            const B2DRectangle* mpAssociatedRect;
+
+            /** Index of the polygon this edge is currently involved
+                with.
+
+                Note that this can change for some kinds of edge
+                intersection, as the algorithm tends to swap
+                associated polygons there.
+
+                -1 denotes no assigned polygon
+             */
+            std::ptrdiff_t      mnPolygonIdx;
+
+            /// 'upper' or 'lower' edge of original rectangle.
+            EdgeType            meEdgeType;
+
+            /// 'left' or 'right'
+            EdgeDirection       meEdgeDirection;
+        };
+
+        // Needs to be list - various places hold ptrs to elements
+        typedef std::list< ActiveEdge > ListOfEdges;
+
+
+        /** Element of the sweep line event list
+
+            As the sweep line traverses across the overall area,
+            rectangle edges parallel to it generate events, and
+            rectangle edges orthogonal to it generate active
+            edges. This class represents the former.
+
+            The class defines an element of the sweep line list. The
+            sweep line's position jumps in steps defined by the
+            coordinates of the sorted SweepLineEvent entries.
+         */
+        class SweepLineEvent
+        {
+        public:
+            /** The two possible sweep line rectangle edges differ by
+                one coordinate value - the starting edge has the
+                lower, the finishing edge the higher value.
+             */
+            enum EdgeType {
+                /// edge with lower coordinate value
+                STARTING_EDGE=0,
+                /// edge with higher coordinate value
+                FINISHING_EDGE=1
+            };
+
+            /** The two possible sweep line directions
+             */
+            enum EdgeDirection {
+                PROCEED_UP=0,
+                PROCEED_DOWN=1
+            };
+
+            /** Create sweep line event
+
+                @param fPos
+                Coordinate position of the event
+
+                @param rRect
+                Rectangle this event is generated for.
+
+                @param eEdgeType
+                Is fPos the lower or the higher value, for the
+                rectangle this event is generated for?
+             */
+            SweepLineEvent( double              fPos,
+                            const B2DRectangle& rRect,
+                            EdgeType            eEdgeType,
+                            EdgeDirection       eDirection) :
+                mfPos( fPos ),
+                mpAssociatedRect( &rRect ),
+                meEdgeType( eEdgeType ),
+                meEdgeDirection( eDirection )
+            {}
+
+            double              getPos() const { return mfPos; }
+            const B2DRectangle& getRect() const { return *mpAssociatedRect; }
+            EdgeType            getEdgeType() const { return meEdgeType; }
+            EdgeDirection       getEdgeDirection() const { return meEdgeDirection; }
+
+            /// For STL sort
+            bool operator<( const SweepLineEvent& rRHS ) const { return mfPos < rRHS.mfPos; }
+
+        private:
+            /// position of the event, in the direction of the line sweep
+            double                mfPos;
+
+            /** Rectangle this event is generated for
+
+                This on the one hand saves some storage space (the
+                vector of rectangles is persistent, anyway), and on
+                the other hand provides an identifier to match active
+                edges and events (see below)
+
+                Ptr because class needs to be assignable
+             */
+            const B2DRectangle*   mpAssociatedRect;
+
+            /// 'upper' or 'lower' edge of original rectangle.
+            EdgeType              meEdgeType;
+
+            /// 'up' or 'down'
+            EdgeDirection         meEdgeDirection;
+        };
+
+        typedef std::vector< SweepLineEvent > VectorOfEvents;
+
+
+        /** Smart point container for B2DMultiRange::getPolyPolygon()
+
+            This class provides methods needed only here, and is used
+            as a place to store some additional information per
+            polygon. Also, most of the intersection logic is
+            implemented here.
+         */
+        class ImplPolygon
+        {
+        public:
+            /** Create polygon
+             */
+            ImplPolygon() :
+                mpLeadingRightEdge(NULL),
+                mnIdx(-1),
+                maPoints(),
+                mbIsFinished(false)
+            {
+                // completely ad-hoc. but what the hell.
+                maPoints.reserve(11);
+            }
+
+            void setPolygonPoolIndex( std::ptrdiff_t nIdx ) { mnIdx = nIdx; }
+            bool isFinished() const { return mbIsFinished; }
+
+            /// Add point to the end of the existing points
+            void append( const B2DPoint& rPoint )
+            {
+                OSL_PRECOND( maPoints.empty() ||
+                             maPoints.back().getX() == rPoint.getX() ||
+                             maPoints.back().getY() == rPoint.getY(),
+                             "ImplPolygon::append(): added point violates 90 degree line angle constraint!" );
+
+                if( maPoints.empty() ||
+                    maPoints.back() != rPoint )
+                {
+                    // avoid duplicate points
+                    maPoints.push_back( rPoint );
+                }
+            }
+
+            /** Perform the intersection of this polygon with an
+                active edge.
+
+                @param rEvent
+                The vertical line event that generated the
+                intersection
+
+                @param rActiveEdge
+                The active edge that generated the intersection
+
+                @param rPolygonPool
+                Polygon pool, we sometimes need to allocate a new one
+
+                @param bIsFinishingEdge
+                True, when this is hitting the last edge of the
+                vertical sweep - every vertical sweep starts and ends
+                with upper and lower edge of the _same_ rectangle.
+
+                @return the new current polygon (that's the one
+                processing must proceed with, when going through the
+                list of upcoming active edges).
+             */
+            std::ptrdiff_t intersect( SweepLineEvent&   rEvent,
+                                      ActiveEdge&       rActiveEdge,
+                                      VectorOfPolygons& rPolygonPool,
+                                      B2DPolyPolygon&   rRes,
+                                      bool              isFinishingEdge )
+            {
+                OSL_PRECOND( !isFinished(),
+                             "ImplPolygon::intersect(): called on already finished polygon!" );
+                OSL_PRECOND( !isFinishingEdge
+                             || (isFinishingEdge && &rEvent.getRect() == &rActiveEdge.getRect()),
+                             "ImplPolygon::intersect(): inconsistent ending!" );
+
+                const B2DPoint aIntersectionPoint( rEvent.getPos(),
+                                                   rActiveEdge.getInvariantCoord() );
+
+                // intersection point, goes to our polygon
+                // unconditionally
+                append(aIntersectionPoint);
+
+                const bool isSweepLineEnteringRect(
+                    rEvent.getEdgeType() == SweepLineEvent::STARTING_EDGE);
+                if( isFinishingEdge )
+                {
+                    if( isSweepLineEnteringRect )
+                        handleFinalOwnRightEdge(rActiveEdge);
+                    else
+                        handleFinalOwnLeftEdge(rActiveEdge,
+                                               rPolygonPool,
+                                               rRes);
+
+                    // we're done with this rect & sweep line
+                    return -1;
+                }
+                else if( metOwnEdge(rEvent,rActiveEdge) )
+                {
+                    handleInitialOwnEdge(rEvent, rActiveEdge);
+
+                    // point already added, all init done, continue
+                    // with same poly
+                    return mnIdx;
+                }
+                else
+                {
+                    OSL_ENSURE( rActiveEdge.getTargetPolygonIndex() != -1,
+                                "ImplPolygon::intersect(): non-trivial intersection hit empty polygon!" );
+
+                    const bool isHittingLeftEdge(
+                        rActiveEdge.getEdgeDirection() == ActiveEdge::PROCEED_LEFT);
+
+                    if( isHittingLeftEdge )
+                        return handleComplexLeftEdge(rActiveEdge,
+                                                     aIntersectionPoint,
+                                                     rPolygonPool,
+                                                     rRes);
+                    else
+                        return handleComplexRightEdge(rActiveEdge,
+                                                      aIntersectionPoint,
+                                                      rPolygonPool);
+                }
+            }
+
+        private:
+            std::ptrdiff_t getPolygonPoolIndex() const { return mnIdx; }
+
+            void handleInitialOwnEdge(SweepLineEvent& rEvent,
+                                      ActiveEdge&     rActiveEdge)
+            {
+                const bool isActiveEdgeProceedLeft(
+                    rActiveEdge.getEdgeDirection() == ActiveEdge::PROCEED_LEFT);
+                const bool isSweepLineEnteringRect(
+                    rEvent.getEdgeType() == SweepLineEvent::STARTING_EDGE);
+                (void)isActiveEdgeProceedLeft;
+                (void)isSweepLineEnteringRect;
+
+                OSL_ENSURE( isSweepLineEnteringRect == isActiveEdgeProceedLeft,
+                            "ImplPolygon::intersect(): sweep initial own edge hit: wrong polygon order" );
+
+                OSL_ENSURE( isSweepLineEnteringRect ||
+                            mpLeadingRightEdge == &rActiveEdge,
+                            "ImplPolygon::intersect(): sweep initial own edge hit: wrong leading edge" );
+            }
+
+            void handleFinalOwnRightEdge(ActiveEdge& rActiveEdge)
+            {
+                OSL_ENSURE( rActiveEdge.getEdgeDirection() == ActiveEdge::PROCEED_RIGHT,
+                            "ImplPolygon::handleInitialOwnRightEdge(): start edge wrong polygon order" );
+
+                rActiveEdge.setTargetPolygonIndex(mnIdx);
+                mpLeadingRightEdge = &rActiveEdge;
+            }
+
+            void handleFinalOwnLeftEdge(ActiveEdge&       rActiveEdge,
+                                        VectorOfPolygons& rPolygonPool,
+                                        B2DPolyPolygon&   rRes)
+            {
+                OSL_ENSURE( rActiveEdge.getEdgeDirection() == ActiveEdge::PROCEED_LEFT,
+                            "ImplPolygon::handleFinalOwnLeftEdge(): end edge wrong polygon order" );
+
+                const bool isHittingOurTail(
+                    rActiveEdge.getTargetPolygonIndex() == mnIdx);
+
+                if( isHittingOurTail )
+                    finish(rRes); // just finish. no fuss.
+                else
+                {
+                    // temp poly hits final left edge
+                    const std::ptrdiff_t nTmpIdx=rActiveEdge.getTargetPolygonIndex();
+                    ImplPolygon& rTmp=rPolygonPool.get(nTmpIdx);
+
+                    // active edge's polygon has points
+                    // already. ours need to go in front of them.
+                    maPoints.insert(maPoints.end(),
+                                    rTmp.maPoints.begin(),
+                                    rTmp.maPoints.end());
+
+                    // adjust leading edges, we're switching the polygon
+                    ActiveEdge* const pFarEdge=rTmp.mpLeadingRightEdge;
+
+                    mpLeadingRightEdge = pFarEdge;
+                    pFarEdge->setTargetPolygonIndex(mnIdx);
+
+                    // nTmpIdx is an empty shell, get rid of it
+                    rPolygonPool.free(nTmpIdx);
+                }
+            }
+
+            std::ptrdiff_t handleComplexLeftEdge(ActiveEdge&       rActiveEdge,
+                                                 const B2DPoint&   rIntersectionPoint,
+                                                 VectorOfPolygons& rPolygonPool,
+                                                 B2DPolyPolygon&   rRes)
+            {
+                const bool isHittingOurTail(
+                    rActiveEdge.getTargetPolygonIndex() == mnIdx);
+                if( isHittingOurTail )
+                {
+                    finish(rRes);
+
+                    // so "this" is done - need new polygon to collect
+                    // further points
+                    const std::ptrdiff_t nIdxNewPolygon=rPolygonPool.alloc();
+                    rPolygonPool.get(nIdxNewPolygon).setPolygonPoolIndex(nIdxNewPolygon);
+                    rPolygonPool.get(nIdxNewPolygon).append(rIntersectionPoint);
+
+                    rActiveEdge.setTargetPolygonIndex(nIdxNewPolygon);
+
+                    return nIdxNewPolygon;
+                }
+                else
+                {
+                    const std::ptrdiff_t nTmpIdx=rActiveEdge.getTargetPolygonIndex();
+                    ImplPolygon& rTmp=rPolygonPool.get(nTmpIdx);
+
+                    // active edge's polygon has points
+                    // already. ours need to go in front of them.
+                    maPoints.insert(maPoints.end(),
+                                    rTmp.maPoints.begin(),
+                                    rTmp.maPoints.end());
+
+                    rTmp.maPoints.clear();
+                    rTmp.append(rIntersectionPoint);
+
+                    // adjust leading edges, we're switching the polygon
+                    ActiveEdge* const pFarEdge=rTmp.mpLeadingRightEdge;
+                    ActiveEdge* const pNearEdge=&rActiveEdge;
+
+                    rTmp.mpLeadingRightEdge = NULL;
+                    pNearEdge->setTargetPolygonIndex(nTmpIdx);
+
+                    mpLeadingRightEdge = pFarEdge;
+                    pFarEdge->setTargetPolygonIndex(mnIdx);
+
+                    return nTmpIdx;
+                }
+            }
+
+            std::ptrdiff_t handleComplexRightEdge(ActiveEdge&       rActiveEdge,
+                                                  const B2DPoint&   rIntersectionPoint,
+                                                  VectorOfPolygons& rPolygonPool)
+            {
+                const std::ptrdiff_t nTmpIdx=rActiveEdge.getTargetPolygonIndex();
+                ImplPolygon& rTmp=rPolygonPool.get(nTmpIdx);
+
+                rTmp.append(rIntersectionPoint);
+
+                rActiveEdge.setTargetPolygonIndex(mnIdx);
+                mpLeadingRightEdge = &rActiveEdge;
+
+                rTmp.mpLeadingRightEdge = NULL;
+
+                return nTmpIdx;
+            }
+
+            /// True when sweep line hits our own active edge
+            bool metOwnEdge(const SweepLineEvent& rEvent,
+                            ActiveEdge&           rActiveEdge)
+            {
+                const bool bHitOwnEdge=&rEvent.getRect() == &rActiveEdge.getRect();
+                return bHitOwnEdge;
+            }
+
+            /// Retrieve B2DPolygon from this object
+            B2DPolygon getPolygon() const
+            {
+                B2DPolygon aRes;
+                std::for_each( maPoints.begin(),
+                               maPoints.end(),
+                               boost::bind(
+                     &B2DPolygon::append,
+                                   boost::ref(aRes),
+                                   _1,
+                                   1 ) );
+                aRes.setClosed( true );
+                return aRes;
+            }
+
+            /** Finish this polygon, push to result set.
+             */
+            void finish(B2DPolyPolygon& rRes)
+            {
+                OSL_PRECOND( maPoints.empty() ||
+                             maPoints.front().getX() == maPoints.back().getX() ||
+                             maPoints.front().getY() == maPoints.back().getY(),
+                             "ImplPolygon::finish(): first and last point violate 90 degree line angle constraint!" );
+
+                mbIsFinished = true;
+                mpLeadingRightEdge = NULL;
+
+                rRes.append(getPolygon());
+            }
+
+            /** Refers to the current leading edge element of this
+                polygon, or NULL. The leading edge denotes the 'front'
+                of the polygon vertex sequence, i.e. the coordinates
+                at the polygon's leading edge are returned from
+                maPoints.front()
+             */
+            ActiveEdge*           mpLeadingRightEdge;
+
+            /// current index into vector pool
+            std::ptrdiff_t        mnIdx;
+
+            /// Container for the actual polygon points
+            std::vector<B2DPoint> maPoints;
+
+            /// When true, this polygon is 'done', i.e. nothing must be added anymore.
+            bool                  mbIsFinished;
+        };
+
+        /** Init sweep line event list
+
+            This method fills the event list with the sweep line
+            events generated from the input rectangles, and sorts them
+            with increasing x.
+         */
+        void setupSweepLineEventListFromRanges( VectorOfEvents& o_rEventVector,
+                                                const std::vector<B2DRange>& rRanges,
+                                                const std::vector<B2VectorOrientation>& rOrientations )
+        {
+            // we need exactly 2*rectVec.size() events: one for the
+            // left, and one for the right edge of each rectangle
+            o_rEventVector.clear();
+            o_rEventVector.reserve( 2*rRanges.size() );
+
+            // generate events
+            // ===============
+
+            // first pass: add all left edges in increasing order
+            std::vector<B2DRange>::const_iterator aCurrRect=rRanges.begin();
+            std::vector<B2VectorOrientation>::const_iterator aCurrOrientation=rOrientations.begin();
+            const std::vector<B2DRange>::const_iterator aEnd=rRanges.end();
+            const std::vector<B2VectorOrientation>::const_iterator aEndOrientation=rOrientations.end();
+            while( aCurrRect != aEnd && aCurrOrientation != aEndOrientation )
+            {
+                const B2DRectangle& rCurrRect( *aCurrRect++ );
+
+                o_rEventVector.push_back(
+                    SweepLineEvent( rCurrRect.getMinX(),
+                                    rCurrRect,
+                                    SweepLineEvent::STARTING_EDGE,
+                                    (*aCurrOrientation++) == ORIENTATION_POSITIVE ?
+                                    SweepLineEvent::PROCEED_UP : SweepLineEvent::PROCEED_DOWN) );
+            }
+
+            // second pass: add all right edges in reversed order
+            std::vector<B2DRange>::const_reverse_iterator aCurrRectR=rRanges.rbegin();
+            std::vector<B2VectorOrientation>::const_reverse_iterator aCurrOrientationR=rOrientations.rbegin();
+            const std::vector<B2DRange>::const_reverse_iterator aEndR=rRanges.rend();
+            const std::vector<B2VectorOrientation>::const_reverse_iterator aEndOrientationR=rOrientations.rend();
+            while( aCurrRectR != aEndR )
+            {
+                const B2DRectangle& rCurrRect( *aCurrRectR++ );
+
+                o_rEventVector.push_back(
+                    SweepLineEvent( rCurrRect.getMaxX(),
+                                    rCurrRect,
+                                    SweepLineEvent::FINISHING_EDGE,
+                                    (*aCurrOrientationR++) == ORIENTATION_POSITIVE ?
+                                    SweepLineEvent::PROCEED_DOWN : SweepLineEvent::PROCEED_UP ) );
+            }
+
+            // sort events
+            // ===========
+
+            // since we use stable_sort, the order of events with the
+            // same x value will not change. The elaborate two-pass
+            // add above thus ensures, that for each two rectangles
+            // with similar left and right x coordinates, the
+            // rectangle whose left event comes first will have its
+            // right event come last. This is advantageous for the
+            // clip algorithm below, see handleRightEdgeCrossing().
+
+            // TODO(P3): Use radix sort (from
+            // b2dpolypolygonrasterconverter, or have your own
+            // templatized version).
+            std::stable_sort( o_rEventVector.begin(),
+                              o_rEventVector.end() );
+        }
+
+        /** Insert two active edge segments for the given rectangle.
+
+            This method creates two active edge segments from the
+            given rect, and inserts them into the active edge list,
+            such that this stays sorted (if it was before).
+
+            @param io_rEdgeList
+            Active edge list to insert into
+
+            @param io_rPolygons
+            Vector of polygons. Each rectangle added creates one
+            tentative result polygon in this vector, and the edge list
+            entries holds a reference to that polygon (this _requires_
+            that the polygon vector does not reallocate, i.e. it must
+            have at least the maximal number of rectangles reserved)
+
+            @param o_CurrentPolygon
+            The then-current polygon when processing this sweep line
+            event
+
+            @param rCurrEvent
+            The actual event that caused this call
+         */
+        void createActiveEdgesFromStartEvent( ListOfEdges&      io_rEdgeList,
+                                              VectorOfPolygons& io_rPolygonPool,
+                                              SweepLineEvent&   rCurrEvent )
+        {
+            ListOfEdges         aNewEdges;
+            const B2DRectangle& rRect=rCurrEvent.getRect();
+            const bool          bGoesDown=rCurrEvent.getEdgeDirection() == SweepLineEvent::PROCEED_DOWN;
+
+            // start event - new rect starts here, needs polygon to
+            // collect points into
+            const std::ptrdiff_t nIdxPolygon=io_rPolygonPool.alloc();
+            io_rPolygonPool.get(nIdxPolygon).setPolygonPoolIndex(nIdxPolygon);
+
+            // upper edge
+            aNewEdges.push_back(
+                ActiveEdge(
+                    rRect,
+                    rRect.getMinY(),
+                    bGoesDown ? nIdxPolygon : -1,
+                    ActiveEdge::UPPER,
+                    bGoesDown ? ActiveEdge::PROCEED_LEFT : ActiveEdge::PROCEED_RIGHT) );
+            // lower edge
+            aNewEdges.push_back(
+                ActiveEdge(
+                    rRect,
+                    rRect.getMaxY(),
+                    bGoesDown ? -1 : nIdxPolygon,
+                    ActiveEdge::LOWER,
+                    bGoesDown ? ActiveEdge::PROCEED_RIGHT : ActiveEdge::PROCEED_LEFT ) );
+
+            // furthermore, have to respect a special tie-breaking
+            // rule here, for edges which share the same y value:
+            // newly added upper edges must be inserted _before_ any
+            // other edge with the same y value, and newly added lower
+            // edges must be _after_ all other edges with the same
+            // y. This ensures that the left vertical edge processing
+            // below encounters the upper edge of the current rect
+            // first, and the lower edge last, which automatically
+            // starts and finishes this rect correctly (as only then,
+            // the polygon will have their associated active edges
+            // set).
+            const double                nMinY( rRect.getMinY() );
+            const double                nMaxY( rRect.getMaxY() );
+            ListOfEdges::iterator       aCurr( io_rEdgeList.begin() );
+            const ListOfEdges::iterator aEnd ( io_rEdgeList.end() );
+            while( aCurr != aEnd )
+            {
+                const double nCurrY( aCurr->getInvariantCoord() );
+
+                if( nCurrY >= nMinY &&
+                    aNewEdges.size() == 2 ) // only add, if not yet done.
+                {
+                    // insert upper edge _before_ aCurr. Thus, it will
+                    // be the first entry for a range of equal y
+                    // values. Using splice here, since we hold
+                    // references to the moved list element!
+                    io_rEdgeList.splice( aCurr,
+                                         aNewEdges,
+                                         aNewEdges.begin() );
+                }
+
+                if( nCurrY > nMaxY )
+                {
+                    // insert lower edge _before_ aCurr. Thus, it will
+                    // be the last entry for a range of equal y values
+                    // (aCurr is the first entry strictly larger than
+                    // nMaxY). Using splice here, since we hold
+                    // references to the moved list element!
+                    io_rEdgeList.splice( aCurr,
+                                         aNewEdges,
+                                         aNewEdges.begin() );
+                    // done with insertion, can early-exit here.
+                    return;
+                }
+
+                ++aCurr;
+            }
+
+            // append remainder of aNewList (might still contain 2 or
+            // 1 elements, depending of the contents of io_rEdgeList).
+            io_rEdgeList.splice( aCurr,
+                                 aNewEdges );
+        }
+
+        inline bool isSameRect(ActiveEdge&              rEdge,
+                               const basegfx::B2DRange& rRect)
+        {
+            return &rEdge.getRect() == &rRect;
+        }
+
+        // wow what a hack. necessary because stl's list::erase does
+        // not eat reverse_iterator
+        template<typename Cont, typename Iter> Iter eraseFromList(Cont&, Iter);
+        template<> inline ListOfEdges::iterator eraseFromList(
+            ListOfEdges& rList, ListOfEdges::iterator aIter)
+        {
+            return rList.erase(aIter);
+        }
+        template<> inline ListOfEdges::reverse_iterator eraseFromList(
+            ListOfEdges& rList, ListOfEdges::reverse_iterator aIter)
+        {
+            return ListOfEdges::reverse_iterator(
+                    rList.erase(boost::prior(aIter.base())));
+        }
+
+        template<int bPerformErase,
+                 typename Iterator> inline void processActiveEdges(
+            Iterator          first,
+            Iterator          last,
+            ListOfEdges&      rActiveEdgeList,
+            SweepLineEvent&   rCurrEvent,
+            VectorOfPolygons& rPolygonPool,
+            B2DPolyPolygon&   rRes )
+        {
+            const basegfx::B2DRange& rCurrRect=rCurrEvent.getRect();
+
+            // fast-forward to rCurrEvent's first active edge (holds
+            // for both starting and finishing sweep line events, a
+            // rect is regarded _outside_ any rects whose events have
+            // started earlier
+            first = std::find_if(first, last,
+                                 boost::bind(
+                         &isSameRect,
+                                     _1,
+                                     boost::cref(rCurrRect)));
+
+            if(first == last)
+                return;
+
+            int nCount=0;
+            std::ptrdiff_t nCurrPolyIdx=-1;
+            while(first != last)
+            {
+                if( nCurrPolyIdx == -1 )
+                    nCurrPolyIdx=first->getTargetPolygonIndex();
+
+                OSL_ASSERT(nCurrPolyIdx != -1);
+
+                // second encounter of my rect -> second edge
+                // encountered, done
+                const bool bExit=
+                    nCount &&
+                    isSameRect(*first,
+                               rCurrRect);
+
+                // deal with current active edge
+                nCurrPolyIdx =
+                    rPolygonPool.get(nCurrPolyIdx).intersect(
+                        rCurrEvent,
+                        *first,
+                        rPolygonPool,
+                        rRes,
+                        bExit);
+
+                // prune upper & lower active edges, if requested
+                if( bPerformErase && (bExit || !nCount) )
+                    first = eraseFromList(rActiveEdgeList,first);
+                else
+                    ++first;
+
+                // delayed exit, had to prune first
+                if( bExit )
+                    return;
+
+                ++nCount;
+            }
+        }
+
+        template<int bPerformErase> inline void processActiveEdgesTopDown(
+            SweepLineEvent&   rCurrEvent,
+            ListOfEdges&      rActiveEdgeList,
+            VectorOfPolygons& rPolygonPool,
+            B2DPolyPolygon&   rRes )
+        {
+            processActiveEdges<bPerformErase>(
+                rActiveEdgeList. begin(),
+                rActiveEdgeList. end(),
+                rActiveEdgeList,
+                rCurrEvent,
+                rPolygonPool,
+                rRes);
+        }
+
+        template<int bPerformErase> inline void processActiveEdgesBottomUp(
+            SweepLineEvent&   rCurrEvent,
+            ListOfEdges&      rActiveEdgeList,
+            VectorOfPolygons& rPolygonPool,
+            B2DPolyPolygon&   rRes )
+        {
+            processActiveEdges<bPerformErase>(
+                rActiveEdgeList. rbegin(),
+                rActiveEdgeList. rend(),
+                rActiveEdgeList,
+                rCurrEvent,
+                rPolygonPool,
+                rRes);
+        }
+
+        enum{ NoErase=0, PerformErase=1 };
+
+        void handleStartingEdge( SweepLineEvent&   rCurrEvent,
+                                 ListOfEdges&      rActiveEdgeList,
+                                 VectorOfPolygons& rPolygonPool,
+                                 B2DPolyPolygon&   rRes)
+        {
+            // inject two new active edges for rect
+            createActiveEdgesFromStartEvent( rActiveEdgeList,
+                                             rPolygonPool,
+                                             rCurrEvent );
+
+            if( SweepLineEvent::PROCEED_DOWN == rCurrEvent.getEdgeDirection() )
+                processActiveEdgesTopDown<NoErase>(
+                    rCurrEvent, rActiveEdgeList, rPolygonPool, rRes);
+            else
+                processActiveEdgesBottomUp<NoErase>(
+                    rCurrEvent, rActiveEdgeList, rPolygonPool, rRes);
+        }
+
+        void handleFinishingEdge( SweepLineEvent&   rCurrEvent,
+                                  ListOfEdges&      rActiveEdgeList,
+                                  VectorOfPolygons& rPolygonPool,
+                                  B2DPolyPolygon&   rRes)
+        {
+            if( SweepLineEvent::PROCEED_DOWN == rCurrEvent.getEdgeDirection() )
+                processActiveEdgesTopDown<PerformErase>(
+                    rCurrEvent, rActiveEdgeList, rPolygonPool, rRes);
+            else
+                processActiveEdgesBottomUp<PerformErase>(
+                    rCurrEvent, rActiveEdgeList, rPolygonPool, rRes);
+        }
+
+        inline void handleSweepLineEvent( SweepLineEvent&   rCurrEvent,
+                                          ListOfEdges&      rActiveEdgeList,
+                                          VectorOfPolygons& rPolygonPool,
+                                          B2DPolyPolygon&   rRes)
+        {
+            if( SweepLineEvent::STARTING_EDGE == rCurrEvent.getEdgeType() )
+                handleStartingEdge(rCurrEvent,rActiveEdgeList,rPolygonPool,rRes);
+            else
+                handleFinishingEdge(rCurrEvent,rActiveEdgeList,rPolygonPool,rRes);
+        }
+    }
+
+    namespace tools
+    {
+        B2DPolyPolygon solveCrossovers(const std::vector<B2DRange>& rRanges,
+                                       const std::vector<B2VectorOrientation>& rOrientations)
+        {
+            // sweep-line algorithm to generate a poly-polygon
+            // from a bunch of rectangles
+            // ===============================================
+            //
+            // This algorithm uses the well-known sweep line
+            // concept, explained in every good text book about
+            // computational geometry.
+            //
+            // We start with creating two structures for every
+            // rectangle, one representing the left x coordinate,
+            // one representing the right x coordinate (and both
+            // referencing the original rect). These structs are
+            // sorted with increasing x coordinates.
+            //
+            // Then, we start processing the resulting list from
+            // the beginning. Every entry in the list defines a
+            // point in time of the line sweeping from left to
+            // right across all rectangles.
+            VectorOfEvents aSweepLineEvents;
+            setupSweepLineEventListFromRanges( aSweepLineEvents,
+                                               rRanges,
+                                               rOrientations );
+
+            B2DPolyPolygon   aRes;
+            VectorOfPolygons aPolygonPool;
+            ListOfEdges      aActiveEdgeList;
+
+            // sometimes not enough, but a usable compromise
+            aPolygonPool.reserve( rRanges.size() );
+
+            std::for_each( aSweepLineEvents.begin(),
+                           aSweepLineEvents.end(),
+                           boost::bind(
+                               &handleSweepLineEvent,
+                               _1,
+                               boost::ref(aActiveEdgeList),
+                               boost::ref(aPolygonPool),
+                               boost::ref(aRes)) );
+
+            return aRes;
+        }
+    }
+}
+

basegfx/source/range/makefile.mk

@@ -47,7 +47,8 @@ SLOFILES= \
                 $(SLO)$/b1drange.obj		\
                 $(SLO)$/b2drange.obj		\
                 $(SLO)$/b2xrange.obj		\
-                $(SLO)$/b2dmultirange.obj		\
+                $(SLO)$/b2dpolyrange.obj	\
+                $(SLO)$/b2drangeclipper.obj	\
                 $(SLO)$/b3drange.obj
 
 # --- Targets ----------------------------------

basegfx/test/basegfx2d.cxx

@@ -41,7 +41,9 @@
 #include <basegfx/curve/b2dcubicbezier.hxx>
 #include <basegfx/curve/b2dbeziertools.hxx>
 #include <basegfx/polygon/b2dpolypolygontools.hxx>
-#include <basegfx/range/b2dmultirange.hxx>
+#include <basegfx/polygon/b2dpolygonclipper.hxx>
+#include <basegfx/polygon/b2dpolypolygon.hxx>
+#include <basegfx/range/b2dpolyrange.hxx>
 #include <basegfx/numeric/ftools.hxx>
 #include <basegfx/color/bcolor.hxx>
 #include <basegfx/color/bcolortools.hxx>
@@ -56,214 +58,6 @@ using namespace ::basegfx;
 
 namespace basegfx2d
 {
-/// Gets a random ordinal [0,n)
-inline double getRandomOrdinal( const ::std::size_t n )
-{
-    return double(n) * rand() / (RAND_MAX + 1.0);
-}
-
-class b2dmultirange : public CppUnit::TestFixture
-{
-private:
-    B2DMultiRange aDisjunctRanges;
-    B2DMultiRange aEqualRanges;
-    B2DMultiRange aIntersectionN;
-    B2DMultiRange aIntersectionE;
-    B2DMultiRange aIntersectionS;
-    B2DMultiRange aIntersectionW;
-    B2DMultiRange aIntersectionNE;
-    B2DMultiRange aIntersectionSE;
-    B2DMultiRange aIntersectionSW;
-    B2DMultiRange aIntersectionNW;
-    B2DMultiRange aRingIntersection;
-    B2DMultiRange aComplexIntersections;
-    B2DMultiRange aRandomIntersections;
-
-public:
-    // initialise your test code values here.
-    void setUp()
-    {
-        B2DRange aCenter(1.0, 1.0, -1.0, -1.0);
-        B2DRange aOffside(9.0, 9.0, 11.0, 11.0);
-        B2DRange aNorth(1.0, 0.0, -1.0, -2.0);
-        B2DRange aSouth(1.0, 2.0, -1.0, 0.0);
-        B2DRange aEast(0.0, 1.0, 2.0, -1.0);
-        B2DRange aWest(-2.0, 1.0, 0.0, -1.0);
-        B2DRange aNorthEast(0.0, 0.0, 2.0, -2.0);
-        B2DRange aSouthEast(0.0, 0.0, 2.0, 2.0);
-        B2DRange aSouthWest(0.0, 0.0, -2.0, 2.0);
-        B2DRange aNorthWest(0.0, 0.0, -2.0, -2.0);
-
-        B2DRange aNorth2(-1.5, 0.5,  1.5,  3.5);
-        B2DRange aSouth2(-1.5, -0.5, 1.5, -3.5);
-        B2DRange aEast2 (0.5,  -1.5, 3.5,  1.5);
-        B2DRange aWest2 (-0.5, -1.5,-3.5,  1.5);
-
-        ::std::ofstream output("multirange_testcases.gnuplot");
-        DebugPlotter aPlotter( "multirange testcases",
-                               output );
-
-        aPlotter.plot( aCenter, "center" );
-        aPlotter.plot( aOffside, "offside" );
-        aPlotter.plot( aNorth, "north" );
-        aPlotter.plot( aSouth, "south" );
-        aPlotter.plot( aEast, "east" );
-        aPlotter.plot( aWest, "west" );
-        aPlotter.plot( aNorthEast, "northeast" );
-        aPlotter.plot( aSouthEast, "southeast" );
-        aPlotter.plot( aSouthWest, "southwest" );
-        aPlotter.plot( aNorthWest, "northwest" );
-
-        aDisjunctRanges.addRange( aCenter );
-        aDisjunctRanges.addRange( aOffside );
-
-        aEqualRanges.addRange( aCenter );
-        aEqualRanges.addRange( aCenter );
-
-        aIntersectionN.addRange( aCenter );
-        aIntersectionN.addRange( aNorth );
-
-        aIntersectionE.addRange( aCenter );
-        aIntersectionE.addRange( aEast );
-
-        aIntersectionS.addRange( aCenter );
-        aIntersectionS.addRange( aSouth );
-
-        aIntersectionW.addRange( aCenter );
-        aIntersectionW.addRange( aWest );
-
-        aIntersectionNE.addRange( aCenter );
-        aIntersectionNE.addRange( aNorthEast );
-
-        aIntersectionSE.addRange( aCenter );
-        aIntersectionSE.addRange( aSouthEast );
-
-        aIntersectionSW.addRange( aCenter );
-        aIntersectionSW.addRange( aSouthWest );
-
-        aIntersectionNW.addRange( aCenter );
-        aIntersectionNW.addRange( aNorthWest );
-
-        aRingIntersection.addRange( aNorth2 );
-        aRingIntersection.addRange( aEast2 );
-        aRingIntersection.addRange( aSouth2 );
-        aRingIntersection.addRange( aWest2 );
-
-        aComplexIntersections.addRange( aCenter );
-        aComplexIntersections.addRange( aOffside );
-        aComplexIntersections.addRange( aCenter );
-        aComplexIntersections.addRange( aNorth );
-        aComplexIntersections.addRange( aEast );
-        aComplexIntersections.addRange( aSouth );
-        aComplexIntersections.addRange( aWest );
-        aComplexIntersections.addRange( aNorthEast );
-        aComplexIntersections.addRange( aSouthEast );
-        aComplexIntersections.addRange( aSouthWest );
-        aComplexIntersections.addRange( aNorthWest );
-
-/*
-        for( int i=0; i<10; ++i )
-        {
-            B2DRange aRandomRange(
-                getRandomOrdinal( 10 ),
-                getRandomOrdinal( 10 ),
-                getRandomOrdinal( 10 ),
-                getRandomOrdinal( 10 ) );
-
-            aRandomIntersections.addRange( aRandomRange );
-        }
-*/
-    }
-
-    void tearDown()
-    {
-    }
-
-    ::basegfx::B2DPolyPolygon shiftPoly( int                                nCount,
-                                         const ::basegfx::B2DPolyPolygon&   rPoly )
-    {
-        B2DHomMatrix aMatrix;
-        aMatrix.translate( nCount*4.0,
-                           10.0-nCount*2.0 );
-
-        ::basegfx::B2DPolyPolygon aRes( rPoly );
-        aRes.transform( aMatrix );
-
-        return aRes;
-    }
-
-    void getPolyPolygon()
-    {
-        ::std::ofstream output("multirange_getpolypolygon.gnuplot");
-        DebugPlotter aPlotter( "multirange getPolyPolygon",
-                               output );
-
-        B2DPolyPolygon result;
-
-        aPlotter.plot( shiftPoly(
-                           0,
-                           aDisjunctRanges.getPolyPolygon() ),
-                       "disjunct" );
-        aPlotter.plot( shiftPoly(
-                           1,
-                           aEqualRanges.getPolyPolygon() ),
-                       "equal" );
-        aPlotter.plot( shiftPoly(
-                           2,
-                           aIntersectionN.getPolyPolygon() ),
-                       "intersectionN" );
-        aPlotter.plot( shiftPoly(
-                           3,
-                           aIntersectionE.getPolyPolygon() ),
-                       "intersectionE" );
-        aPlotter.plot( shiftPoly(
-                           4,
-                           aIntersectionS.getPolyPolygon() ),
-                       "intersectionS" );
-        aPlotter.plot( shiftPoly(
-                           5,
-                           aIntersectionW.getPolyPolygon() ),
-                       "intersectionW" );
-        aPlotter.plot( shiftPoly(
-                           6,
-                           aIntersectionNE.getPolyPolygon() ),
-                       "intersectionNE" );
-        aPlotter.plot( shiftPoly(
-                           7,
-                           aIntersectionSE.getPolyPolygon() ),
-                       "intersectionSE" );
-        aPlotter.plot( shiftPoly(
-                           8,
-                           aIntersectionSW.getPolyPolygon() ),
-                       "intersectionSW" );
-        aPlotter.plot( shiftPoly(
-                           9,
-                           aIntersectionNW.getPolyPolygon() ),
-                       "intersectionNW" );
-        aPlotter.plot( shiftPoly(
-                           10,
-                           aRingIntersection.getPolyPolygon() ),
-                       "intersection ring" );
-        aPlotter.plot( shiftPoly(
-                           11,
-                           aComplexIntersections.getPolyPolygon() ),
-                       "intersection complex" );
-        aPlotter.plot( shiftPoly(
-                           12,
-                           aRandomIntersections.getPolyPolygon() ),
-                       "intersection random" );
-
-        CPPUNIT_ASSERT_MESSAGE("getPolyPolygon", true );
-    }
-
-    // Change the following lines only, if you add, remove or rename
-    // member functions of the current class,
-    // because these macros are need by auto register mechanism.
-
-    CPPUNIT_TEST_SUITE(b2dmultirange);
-    CPPUNIT_TEST(getPolyPolygon);
-    CPPUNIT_TEST_SUITE_END();
-}; // class b2dmultirange
 
 class b2dsvgdimpex : public CppUnit::TestFixture
 {
@@ -505,6 +299,39 @@ public:
     CPPUNIT_TEST_SUITE_END();
 }; // class b2dsvgdimpex
 
+class b2dpolyrange : public CppUnit::TestFixture
+{
+private:
+public:
+    void setUp()
+    {}
+
+    void tearDown()
+    {}
+
+    void check()
+    {
+        B2DPolyRange aRange;
+        aRange.appendElement(B2DRange(0,0,1,1),ORIENTATION_POSITIVE);
+        aRange.appendElement(B2DRange(2,2,3,3),ORIENTATION_POSITIVE);
+
+        CPPUNIT_ASSERT_MESSAGE("simple poly range - count",
+                               aRange.count() == 2);
+        CPPUNIT_ASSERT_MESSAGE("simple poly range - first element",
+                               aRange.getElement(0).head == B2DRange(0,0,1,1));
+        CPPUNIT_ASSERT_MESSAGE("simple poly range - second element",
+                               aRange.getElement(1).head == B2DRange(2,2,3,3));
+    }
+
+    // Change the following lines only, if you add, remove or rename
+    // member functions of the current class,
+    // because these macros are need by auto register mechanism.
+
+    CPPUNIT_TEST_SUITE(b2dpolyrange);
+    CPPUNIT_TEST(check);
+    CPPUNIT_TEST_SUITE_END();
+};
+
 class b2dbeziertools : public CppUnit::TestFixture
 {
 private:
@@ -1618,8 +1445,9 @@ public:
 }; // class b2dvector
 
 // -----------------------------------------------------------------------------
-//CPPUNIT_TEST_SUITE_NAMED_REGISTRATION(basegfx2d::b2dmultirange, "basegfx2d");
+
 CPPUNIT_TEST_SUITE_NAMED_REGISTRATION(basegfx2d::b2dsvgdimpex, "basegfx2d");
+CPPUNIT_TEST_SUITE_NAMED_REGISTRATION(basegfx2d::b2dpolyrange, "basegfx2d");
 //CPPUNIT_TEST_SUITE_NAMED_REGISTRATION(basegfx2d::b2dbeziertools, "basegfx2d");
 CPPUNIT_TEST_SUITE_NAMED_REGISTRATION(basegfx2d::b2dcubicbezier, "basegfx2d");
 CPPUNIT_TEST_SUITE_NAMED_REGISTRATION(basegfx2d::b2dhommatrix, "basegfx2d");

basegfx/test/boxclipper.cxx

+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2008 by Sun Microsystems, Inc.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * $RCSfile: basegfx2d.cxx,v $
+ * $Revision: 1.14 $
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org 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 version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org.  If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+
+// MARKER(update_precomp.py): autogen include statement, do not remove
+#include "precompiled_basegfx.hxx"
+// autogenerated file with codegen.pl
+
+#include <cppunit/simpleheader.hxx>
+
+#include <basegfx/matrix/b2dhommatrix.hxx>
+#include <basegfx/curve/b2dcubicbezier.hxx>
+#include <basegfx/curve/b2dbeziertools.hxx>
+#include <basegfx/range/b2dpolyrange.hxx>
+#include <basegfx/polygon/b2dpolygon.hxx>
+#include <basegfx/polygon/b2dpolygontools.hxx>
+#include <basegfx/polygon/b2dpolypolygontools.hxx>
+#include <basegfx/polygon/b2dpolypolygoncutter.hxx>
+#include <basegfx/polygon/b2dpolygonclipper.hxx>
+#include <basegfx/polygon/b2dpolypolygon.hxx>
+#include <basegfx/numeric/ftools.hxx>
+
+#include <boost/bind.hpp>
+
+using namespace ::basegfx;
+
+
+namespace basegfx2d
+{
+/// Gets a random ordinal [0,n)
+inline double getRandomOrdinal( const ::std::size_t n )
+{
+    // use this one when displaying polygons in OOo, which still sucks
+    // great rocks when trying to import non-integer svg:d attributes
+    // return sal_Int64(double(n) * rand() / (RAND_MAX + 1.0));
+    return double(n) * rand() / (RAND_MAX + 1.0);
+}
+
+inline bool compare(const B2DPoint& left, const B2DPoint& right)
+{
+    return left.getX()<right.getX()
+        || (left.getX()==right.getX() && left.getY()<right.getY());
+}
+
+
+class boxclipper : public CppUnit::TestFixture
+{
+private:
+    B2DPolyRange aDisjunctRanges;
+    B2DPolyRange aEqualRanges;
+    B2DPolyRange aIntersectionN;
+    B2DPolyRange aIntersectionE;
+    B2DPolyRange aIntersectionS;
+    B2DPolyRange aIntersectionW;
+    B2DPolyRange aIntersectionNE;
+    B2DPolyRange aIntersectionSE;
+    B2DPolyRange aIntersectionSW;
+    B2DPolyRange aIntersectionNW;
+    B2DPolyRange aRingIntersection;
+    B2DPolyRange aRingIntersection2;
+    B2DPolyRange aRingIntersectExtraStrip;
+    B2DPolyRange aComplexIntersections;
+    B2DPolyRange aRandomIntersections;
+
+public:
+    // initialise your test code values here.
+    void setUp()
+    {
+        B2DRange aCenter(100, 100, -100, -100);
+        B2DRange aOffside(800, 800, 1000, 1000);
+        B2DRange aNorth(100, 0, -100, -200);
+        B2DRange aSouth(100, 200, -100, 0);
+        B2DRange aEast(0, 100, 200, -100);
+        B2DRange aWest(-200, 100, 0, -100);
+        B2DRange aNorthEast(0, 0, 200, -200);
+        B2DRange aSouthEast(0, 0, 200, 200);
+        B2DRange aSouthWest(0, 0, -200, 200);
+        B2DRange aNorthWest(0, 0, -200, -200);
+
+        B2DRange aNorth2(-150, 50,  150,  350);
+        B2DRange aSouth2(-150, -50, 150, -350);
+        B2DRange aEast2 (50,  -150, 350,  150);
+        B2DRange aWest2 (-50, -150,-350,  150);
+
+        aDisjunctRanges.appendElement( aCenter, ORIENTATION_NEGATIVE );
+        aDisjunctRanges.appendElement( aOffside, ORIENTATION_NEGATIVE );
+
+        aEqualRanges.appendElement( aCenter, ORIENTATION_NEGATIVE );
+        aEqualRanges.appendElement( aCenter, ORIENTATION_NEGATIVE );
+
+        aIntersectionN.appendElement( aCenter, ORIENTATION_NEGATIVE );
+        aIntersectionN.appendElement( aNorth, ORIENTATION_NEGATIVE );
+
+        aIntersectionE.appendElement( aCenter, ORIENTATION_NEGATIVE );
+        aIntersectionE.appendElement( aEast, ORIENTATION_NEGATIVE );
+
+        aIntersectionS.appendElement( aCenter, ORIENTATION_NEGATIVE );
+        aIntersectionS.appendElement( aSouth, ORIENTATION_NEGATIVE );
+
+        aIntersectionW.appendElement( aCenter, ORIENTATION_NEGATIVE );
+        aIntersectionW.appendElement( aWest, ORIENTATION_NEGATIVE );
+
+        aIntersectionNE.appendElement( aCenter, ORIENTATION_NEGATIVE );
+        aIntersectionNE.appendElement( aNorthEast, ORIENTATION_NEGATIVE );
+
+        aIntersectionSE.appendElement( aCenter, ORIENTATION_NEGATIVE );
+        aIntersectionSE.appendElement( aSouthEast, ORIENTATION_NEGATIVE );
+
+        aIntersectionSW.appendElement( aCenter, ORIENTATION_NEGATIVE );
+        aIntersectionSW.appendElement( aSouthWest, ORIENTATION_NEGATIVE );
+
+        aIntersectionNW.appendElement( aCenter, ORIENTATION_NEGATIVE );
+        aIntersectionNW.appendElement( aNorthWest, ORIENTATION_NEGATIVE );
+
+        aRingIntersection.appendElement( aNorth2, ORIENTATION_NEGATIVE );
+        aRingIntersection.appendElement( aEast2, ORIENTATION_NEGATIVE );
+        aRingIntersection.appendElement( aSouth2, ORIENTATION_NEGATIVE );
+
+        aRingIntersection2 = aRingIntersection;
+        aRingIntersection2.appendElement( aWest2, ORIENTATION_NEGATIVE );
+
+        aRingIntersectExtraStrip = aRingIntersection2;
+        aRingIntersectExtraStrip.appendElement( B2DRange(0, -25, 200, 25),
+                                                ORIENTATION_NEGATIVE );
+
+        aComplexIntersections.appendElement( aCenter, ORIENTATION_NEGATIVE );
+        aComplexIntersections.appendElement( aOffside, ORIENTATION_NEGATIVE );
+        aComplexIntersections.appendElement( aCenter, ORIENTATION_NEGATIVE );
+        aComplexIntersections.appendElement( aNorth, ORIENTATION_NEGATIVE );
+        aComplexIntersections.appendElement( aEast, ORIENTATION_NEGATIVE );
+        aComplexIntersections.appendElement( aSouth, ORIENTATION_NEGATIVE );
+        aComplexIntersections.appendElement( aWest, ORIENTATION_NEGATIVE );
+        aComplexIntersections.appendElement( aNorthEast, ORIENTATION_NEGATIVE );
+        aComplexIntersections.appendElement( aSouthEast, ORIENTATION_NEGATIVE );
+        aComplexIntersections.appendElement( aSouthWest, ORIENTATION_NEGATIVE );
+        aComplexIntersections.appendElement( aNorthWest, ORIENTATION_NEGATIVE );
+
+#ifdef GENERATE_RANDOM
+        for( int i=0; i<800; ++i )
+        {
+            B2DRange aRandomRange(
+                getRandomOrdinal( 1000 ),
+                getRandomOrdinal( 1000 ),
+                getRandomOrdinal( 1000 ),
+                getRandomOrdinal( 1000 ) );
+
+            aRandomIntersections.appendElement( aRandomRange, ORIENTATION_NEGATIVE );
+        }
+#else
+        const char* randomSvg="m394 783h404v57h-404zm-197-505h571v576h-571zm356-634h75v200h-75zm-40-113h403v588h-403zm93-811h111v494h-111zm-364-619h562v121h-562zm-134-8h292v27h-292zm110 356h621v486h-621zm78-386h228v25h-228zm475-345h201v201h-201zm-2-93h122v126h-122zm-417-243h567v524h-567zm-266-738h863v456h-863zm262-333h315v698h-315zm-328-826h43v393h-43zm830-219h120v664h-120zm-311-636h221v109h-221zm-500 137h628v19h-628zm681-94h211v493h-211zm-366-646h384v355h-384zm-189-199h715v247h-715zm165-459h563v601h-563zm258-479h98v606h-98zm270-517h65v218h-65zm-44-259h96v286h-96zm-599-202h705v468h-705zm216-803h450v494h-450zm-150-22h26v167h-26zm-55-599h50v260h-50zm190-278h490v387h-490zm-290-453h634v392h-634zm257 189h552v300h-552zm-151-690h136v455h-136zm12-597h488v432h-488zm501-459h48v39h-48zm-224-112h429v22h-429zm-281 102h492v621h-492zm519-158h208v17h-208zm-681-563h56v427h-56zm126-451h615v392h-615zm-47-410h598v522h-598zm-32 316h79v110h-79zm-71-129h18v127h-18zm126-993h743v589h-743zm211-430h428v750h-428zm61-554h100v220h-100zm-353-49h658v157h-658zm778-383h115v272h-115zm-249-541h119v712h-119zm203 86h94v40h-94z";
+        B2DPolyPolygon randomPoly;
+        tools::importFromSvgD(
+            randomPoly,
+            rtl::OUString::createFromAscii(randomSvg));
+        std::for_each(randomPoly.begin(),
+                      randomPoly.end(),
+                      boost::bind(
+             &B2DPolyRange::appendElement,
+                          boost::ref(aRandomIntersections),
+                          boost::bind(
+                 &B2DPolygon::getB2DRange,
+                              _1),
+                          ORIENTATION_NEGATIVE,
+                          1));
+#endif
+    }
+
+    void tearDown()
+    {
+    }
+
+    B2DPolyPolygon normalizePoly( const B2DPolyPolygon& rPoly )
+    {
+        B2DPolyPolygon aRes;
+        for( sal_uInt32 i=0; i<rPoly.count(); ++i )
+        {
+            B2DPolygon aTmp=rPoly.getB2DPolygon(i);
+            if( ORIENTATION_NEGATIVE == tools::getOrientation(aTmp) )
+                aTmp.flip();
+
+            aTmp=tools::removeNeutralPoints(aTmp);
+
+            B2DPoint* pSmallest=0;
+            for(B2DPoint* pCurr=aTmp.begin(); pCurr!=aTmp.end(); ++pCurr)
+            {
+                if( ! pSmallest || compare(*pCurr, *pSmallest) )
+                {
+                    pSmallest=pCurr;
+                }
+            }
+
+            if( pSmallest )
+                std::rotate(aTmp.begin(),pSmallest,aTmp.end());
+
+            aRes.append(aTmp);
+        }
+
+        // boxclipper & generic clipper disagree slightly on area-less
+        // polygons (one or two points only)
+        aRes = tools::stripNeutralPolygons(aRes);
+
+        // now, sort all polygons with increasing 0th point
+        std::sort(aRes.begin(),
+                  aRes.end(),
+                  boost::bind(
+                      &compare,
+                      boost::bind(
+                          &B2DPolygon::getB2DPoint,
+                          _1,0),
+                      boost::bind(
+                          &B2DPolygon::getB2DPoint,
+                          _2,0)));
+
+        return aRes;
+    }
+
+    void verifyPoly(const char* sName, const char* sSvg, const B2DPolyRange& toTest)
+    {
+        B2DPolyPolygon aTmp1;
+        CPPUNIT_ASSERT_MESSAGE(sName,
+                               tools::importFromSvgD(
+                                   aTmp1,
+                                   rtl::OUString::createFromAscii(sSvg)));
+
+        const rtl::OUString aSvg=
+            tools::exportToSvgD(toTest.solveCrossovers());
+        B2DPolyPolygon aTmp2;
+        CPPUNIT_ASSERT_MESSAGE(sName,
+                               tools::importFromSvgD(
+                                   aTmp2,
+                                   aSvg));
+
+        CPPUNIT_ASSERT_MESSAGE(
+            sName,
+            normalizePoly(aTmp2) == normalizePoly(aTmp1));
+    }
+
+    void verifyPoly()
+    {
+        const char* disjunct="m100 100v-200h-200v200zm1100 900v-200h-200v200z";
+        const char* equal="m100 100v-200h-200v200zm200 0v-200h-200v200h200z";
+        const char* intersectionN="m100 0v-100h-200v100zm200 100v-200-100h-200v100 200z";
+        const char* intersectionE="m100 100v-200h-100v200zm200 0v-200h-200-100v200h100z";
+        const char* intersectionS="m100 100v-200h-200v200 100h200v-100zm0 0v-100h-200v100z";
+        const char* intersectionW="m0 100v-200h-100v200zm200 0v-200h-200-100v200h100z";
+        const char* intersectionNE="m100 0v-100h-100v100zm200 0v-200h-200v100h-100v200h200v-100z";
+        const char* intersectionSE="m200 200v-200h-100v-100h-200v200h100v100zm100-100v-100h-100v100z";
+        const char* intersectionSW="m0 100v-100h-100v100zm200 0v-200h-200v100h-100v200h200v-100z";
+        const char* intersectionNW="m100 100v-200h-100v-100h-200v200h100v100zm100-100v-100h-100v100z";
+        const char* ringIntersection="m150 150v-100h-100v100zm300 0v-300h-200v-200h-300v300h200v100h-200v300h300v-200zm0-200v-100h-100v100z";
+        const char* ringIntersection2="m-50-50v-100h-100v100zm100 200v-100h-100v100zm500 0v-300h-200v-200h-300v200h-200v300h200v200h300v-200zm-200-100v-100h100v100zm100-100v-100h-100v100zm100 200v-100h-100v100z";
+        const char* ringIntersectExtraStrip="m-50-50v-100h-100v100zm100 200v-100h-100v100zm500 0v-300h-200v-200h-300v200h-200v300h200v200h300v-200zm-200-100v-100h100v25h-50v50h50v25zm150-25v-50h-150v50zm100-75v-100h-100v100zm100 200v-100h-100v100z";
+        // TODO: old clipper impl. debug difference
+        //const char* complexIntersections="m100 0h-100v-100 100h-100 100v100-100zm0 0zm200 0h-100v-100h-100v-100 100h-100v100h-100 100v100h100v100-100h100v-100zm0 0h-100v-100 100h-100 100v100-100h100zm0 0v-100h-100-100v100 100h100 100v-100zm100 0v-100h-100v-100h-100-100v100h-100v100 100h100v100h100 100v-100h100v-100zm-200 0zm100 0v-100h-100-100v100 100h100 100v-100zm100 100v-200-100h-200-100-100v100 200 100h100 100 200v-100zm-200-100zm1000 1000v-200h-200v200z";
+        const char* complexIntersections="m0 0zm0 0zm0 0zm0 0v-100 100h-100 100v100-100h100zm-100 0v-100 100h-100 100v100-100h100zm0 0v-100h-100-100v100 100h100 100v-100zm0 0v-100h-100-100v100 100h100 100v-100zm0 0v-100h-100v-100 100h-100v100h-100 100v100h100v100-100h100v-100h100zm-100-100v-100h-100-100v100h-100v100 100h100v100h100 100v-100h100v-100-100zm0 0v-100h-200-100-100v100 200 100h100 100 200v-100-200zm600 900v200h200v-200z";
+        const char* randomIntersections="m63 457v-393h-43v393zm114 63v-8h-48v8zm-14 477v-127h-18v127zm693-923v-5h-119v5zm-260 457v-1h-14v1zm-220-375v-27h-8v27zm78 755v-22h-7v22zm203-774v-8h-158v8zm-108 375v-17h23v17zm813-19v-189h-21v-12h-26v-54h-17v-69h-25v-22h-62v-73h104v-5h-104-15v-17h-49v-1h-8v-16h-119v16h-386v18h-38-24v34h-23v26h-23v-26h-8v26h-18v27h18v339h8v-339h23v339h8v17h-8v13h8v5h-8v1h8v42h15v20h17v94h18 3v224h165v39h130v2h75v4h98v-4h153v-2h77v-20h4v-28h11v-218h-11v-27h3v-1h8v-17h-8v-63h8v-51h18v-32zm-581 32v-13h-14v13zm-78-78v-7h-32v7zm124 14v-21h-14v21zm595 32v-189h-26v-12h-4v-9h-13v-45h-13v-10h-12v-59h-62v-22h-26v-10h11v-63h15v-5h-15-49v-17h-8v-1h-119v1h-107v17h-279-38v34h-24v26h-23v27h23v284h-15v55h15v17h-15v13h15v5h-15v1h15v42h17v20h18v94h3 14v62h8v48h90v32h18v61h35v21h8v2h122v37h75v2h98v-2h153v-20h77v-28h4v-29h5v-40h-5v-149h-1v-27h1v-1h3v-17h-3v-46h3v-17-51h8v-32zm-563 2v-13h-14v13zm198 30v-13h-39v13zm204-43v-21h3v21zm-168-21v-21h-39v21zm306 0v-21h-5v21zm178 115v-272h-20v-12h-2v-54h-21v-164h1v-22h-27v-48h-743v47h-23v18h-71v24h-8v419h-39v19h60v156h66 32v202h-72v110h79v-88h11v39h3v48h621v-14h96v-82h35v-326zm-570-420v-4h-156v4zm63 481v-18h-11v18zm72 0v-25h-14v25zm465-112v-13h-5v13zm-46-43v-21h1v21zm-37-21v-21h-12v21zm-352 21v-21h23v21zm-23 30v-17h23v17zm-23 18v-5h23v5zm-23 82v-19h23v19zm272 75v-3h-35v3zm-76-192v-13h-39v13zm150 30v-13h-35v13zm-76 6v-1h-39v1zm11 106v-25h-11v25zm150 160v-14h-75v14zm318-304v-11h-13v-43h-2v-2h-10v-37h-4v37h-27v3h-31v-3-37h-5v37h-43v3h-2v21h2v21h-2v30h-1v-30h-8v-21h8v-21h-8v-3h-5v-62h5v-11h-5v-29h-8v-52h-15v-17-38h-15v-52h-89v16h-22v36h-175v55h-15v1h-25v51h-23v-41h-14v41h-2v105h-4v21h4v21h-4v13h4v17h-4-18v13h18v5h-18v1h18v42h4v11h2v9h14v-9h23v9h40v19h-40v25h40v2h82v2h75v43h-75v3h75 40v60h35v-60h23 34 12 15v-3h-15v-43h15v-48h10v-37h11v-31h1v1h45v30h5v-30h20v-1h11v1h8v30h19v20h3v-20h1v-30h10v-1h2v-32zm-146-329v-1h-2v1zm-117 211v-11 11zm-76 0v-11h-13v11zm13 65v-65h1v65zm-1 42v-21h1v16h35v5zm-36 30v-17h36v17zm-36 18v-5h36v5zm180-5v-13h-13v-17h5v-13h-5v-21h5v-21h-5v-3h-8v-62h8v-11h-8v-29h-9v-51h-6v-1-17h-15v-38h-54v-36h-35v36h-22v38h-67v17h-108v1h-15v51h-25v105h-23v-105h-14v105h-2v21h2v21h-2v13h2v17h-2-4v13h4v5h-4v1h4v42h2v11h14v-11h23v11h40v9h82v19h-82v25h82v2h75v2h40v43h-40v3h40 35 23v-3h-23v-43h23v-2h34v2h12v-2h6v-46h9v-20h8v-17h2v-26h-2v-5zm-127-64v-21 21zm89 51v-17h3v17zm-57-17v-13h-35v13zm58 61v-26h-19v-5h19v-13h-23v-17h23v-13h-23v-21h23v-21h-23v-65h23v-11h-23v-14h-35v-15 15h-22v14h-18v11h18v65h-18v21h18v16h22v5h-22v13h22v17h-22-18v13h18v5h-18v1h18v25h22v17h35v-17zm0-25v-1h-35v1zm-22-390v6h-175v5h-31v-15h228v4zm344 352v-189h-2v-12h-21v-54h-26v-164h26v-5h-26v-17h-119v-36h-562v35h-62v18h-23v34h-23v-10h-48v419h-8v8h8v5h71v5h-58v1h58v42h8v114h32 18v224h3v39h165v34h456v-32h77v-2h4v-20h11v-28h4v-218h-4v-28h36v-17h-36v-63h39v-83zm-50 0v-11h-1v-43h-3v-2h-6v-39h-4v-34h-13v-60h-12v-12h-31v72h-31v-72-9h-59v-17-38h-5v-59h-8v-5h8v-1h-8v-16h-2v16h-13v-11h-15v-5h-89v5h-22v11h-175v6h-15v7h-25v16h-43v36h-18v66h-54v-107h-32v107h-4v41h-8v105h-6v7h6v14h8v21h-8v13h8v17h-8-14v13h14v5h-14v1h14v42h8v20h90v19h-34v7h-15v68h26v-50h23v50h18 4v62h16v-62h15v110h8v10h3v22h119v11h75v50h75v-50h23v-11h34v11h48v-11h30v-22h21v-120h20v-3h11v3h30v-3h13-13v-27h13v-1h17v-17h-17v-46h17v-17h6v-51h3v-32zm-256-32v-21h-35v-65h35v-11h-35v-14 14h-22v11h22v65h-22v21h22v16-16zm89 69v-5h3v5zm-3 26v-26h-31v-5h31v-13h-31v-17h31v-13h-31v-21h31v-21h-31v-65h31v-11h-31v-14h-23v-15h-35v-51 51h-22v15h-18v14h-35v11h35v65h-35v21h35v16h18v5h-18v13h18v17h-18-36-39-61v13h61v5h-61v1h61v25h39v-25h36v25h18v17h22v11h35v-11h23v-17zm-19-25v-1h-4v-5h4v-13h-4-35-22v13h22v5h-22v1h22v25h35v-25zm23 252v-36h34v36zm-34-99v-43h34v43zm35-128v-26h-8v-5h8v-13h-8v-17h8v-13h-8v-21h8v-21h-8v-3h-9v-62h9v-11h-9v-29h-6v-51-1h-15v-17h-54v-38h-35v38h-22v11h-53v6h-14v1h-108v51h-15v105h-25v21h25v21h-25v13h25v17h-25-23-14-2v13h2v5h-2v1h2v42h14v-42h23v42h40v11h82v9h75v46h40v2h35v-2h23v-4h31v-42h3v46h12v-46h6v-20h9v-17zm-15-61v-13h-12v13zm12 30v-13h-12v13zm12 31v-26h-12v26zm12 131v-3h-12v3zm12 110v-14h-12v14zm27-241v-26h-9v-5h9v-13h-9v-17h9v-13h-9v-21h9v-21h-9v-3h-6v-62h6v-11h-6v-29-51h-15v-1h-54v-17h-35v11h-22v6h-53v1h-14v51h-108v105h-15v21h15v21h-15v13h15v17h-15-25v13h25v5h-25v1h25v25h15v17h21v6h61v5h75v9h18v42h22v4h35v-4h23v-42h31v-9h3v9h12v-9-11h6v-17zm0 0v-26h-6v-5h6v-13h-6v-17h6v-13h-6v-21h6v-21h-6v-3-62-11-29h-15v-51h-54v-1h-35v-6 6h-22v1h-53v51h-14v24h-87v81h-21v21h21v21h-21v13h21v17h-21-15v13h15v5h-15v1h15v25h21v17h61v6h39v-6h36v11h18v9h22v42h35v-42h23v-9h31v-11h3v11h12v-11-17zm0 0v-26-5-13-17-13-21-21-3h-12v3h-3v-65h15v-11h-15v-29h-54v-51h-35v-1 1h-22v51h-53v29h-1v-5h-13v5h-26v76h-61v21h61v21h-61v13h61v17h-61-21v13h21v5h-21v1h21v25h61v17h39v-17h36v17h18v11h22v9h35v-9h23v-11h31v-17h3v17h12v-17zm15-419v-12h-2v12zm186 356v-56h-8v-133h-4v-12h-13v-9h-13v-45h-12v-10h-62v-59-6h-26v-16h-33v-10h33v-12h-33v-22h-5v-29h49v-5h-49-8v-17h-119v17h-107-279v34h-38v26h-24v27h24v179h-7v105h-17v55h17v17h-17v13h17v5h-17v1h17v42h18v20h3v94h14 8v62h41v37h26v-37h23v48h18v32h35v61h8v21h122v2h75v37h98v-37h34v17h119v-57h11v29h66v-29h4v-40h-4v-26h3v-123h-3v-27h3v-1h1v-17h-1v-46h1v-17h3v-51-32zm0 0v-54h-4v-2h-3v-73h-10v-60h-13v-12h-12v-9h-31v9h-31v-9-55h-59v-59h-5v-5h5v-1h-5v-16h-8v-10h8v-12h-8v-22h-119v34h117v10h-28v-6h-89v6h-22v5h-175v11h-40v13h-147v11h-4v107h-8v41h-6v105h-22v21h28v21h-17v13h17v17h-14-3v13h3v5h-3v1h3v42h14v20h8v94h41 26 23 18v62h4v48h31v10h8v22h3v11h119v50h75v21h98v-71h34v71h48v-71h30v-11h21v-22h20v-120h11v120h43v-123h17-17v-27h17v-1h6v-17h-6v-46h6v-17h3v-51h1v-32zm-4 0v-11h-6v-43h-4v-2h-13v-39h-12v-34h-4v34h-27v2h-31v-2-34h-48v36h-2v37h-1v-73h-8v-29-52h-5v-17h-8v-38h-15v-59h-15v-6h-89v6h-22v7h-175v16h-15v36h-25v55h-39v11h-4v41h-18v105h-54v-105h-32v105h-4v7h4v14h86v21h-86v13h86v17h-86-4v13h4v5h-4v1h4v42h86v11h18v9h4v19h-4v25h4v50h16v-48h23v45h-8v3h8 122v96h-119v14h119v10h75v22h75v-22h23v-10h34v10h48v-24h-36v-36h15v-60h21v-3h-11v-43h2v15h9v-15h46v15h5v-15h20v-2h-20v-46h20v-37h11v37h8v46h-8v2h8v15h22v-15h1v-2h-1v-46h1v-17h12v-20h13v-31h4v-32zm-142 148v-2h-9v2zm9-2v-46h46v46zm-46 45v-28h46v28zm67-191v-11h-1v-42h-3v42h-19v11h19v32h3v-32zm-61 0v-11h-5v11zm96 0v-11h-4v-43h-13v-2h-2v-37h-10v-2h-4v2h-27v37h-31v-37-2h-5v2h-43v37h-2v3h-1v-3h-8v-62-11-29h-5v-52h-8v-17h-15v-38-52h-15v-7h-89v7h-22v16h-175v36h-15v55h-25v1h-37v10h-2v41h-4v105h-18v21h18v21h-18v13h18v17h-18-86v13h86v5h-86v1h86v42h18v11h4v9h2v19h-2v25h2v2h14v-2h23v2h40v2h82v43h-122v3h122 75v96h-75v14h75v10h75v-10h23v-14h-23v-36h23v-60h34v60h12v-60h15 10v-3h-10v-43h10v-48h11v-37h46v37h5v-37h20v-30h11v30h8v37h22v-17h1v-20h12v-31h13v-32zm-13 0v-11h-2v-43h-10v-2h-4v2h-19v1h-8v42h-31v-21-21-3h-5v3h-43v21h43v21h-43v11h43v19h-45v13h45v1h5v-1h20v-13h-20v-19h31v32h8v1h19v30h3v-30h1v-1h10v-32zm-72 148v-2h-5v2zm5 43h-5zm66-191v-11h-3v11zm-38 146v-46h11v46zm-11 45v-28h11v28zm-11 149v-4h11v4zm-11 40v-40h-8v40zm92-380v-54-2h-4v-133h-13v-12h-13v-9h-12v-45h-31v45h-31v-55-59h-59v-5h33v-1h-33v-16h-5v-10h5v-12h-5v-22h-8v-29h8v-5h-8-119-107v5h107v29h-386v26h-38v27h40v20h-4v11h-14v148h-22v105h-7v55h18v17h-18v13h18v5h-18v1h18v42h3v20h14v94h8 41v62h26v-62h23v62h18v48h4v10h31v22h8v61h122v21h75v2h98v-2h34v2h99v-84h20v-22h11v22h43v-22h23v-123h-6v-27h6v-1h3v-17h-3v-46h3v-17h1v-51h3v-32zm-43 148v-2h-22v2zm22 43h-30zm66 189v-40h-66v40zm41-380v-11h-10v-43h-4v1h-19v42h-8v11h8v32h19v1h3v-1h1v-32zm38 0v-11h-3v-43h-6v-2h-4v-39h-13v-34h-12v-60h-4v60h-27v34h-31v-34-72h-48v72h-3v-29h-8v-52-17h-5v-38h-8v-59h-15v-6h-15v-11h-89v11h-22v6h-175v7h-15v16h-25v36h-43v66h-18v41h-54v-41h-32v41h-4v105h-8v7h8v14h4v21h-4v13h4v17h-4-8v13h8v5h-8v1h8v42h4v11h86v9h18v19h-18v25h18v50h4 16 15 8v110h3v10h119v22h75v11h75v-11h23v-22h34v22h48v-22h30v-24h-30v-96h51v-3h20-20v-28h20v-15h11v15h8v1h22v-1h13v-17h-12v-46h12v-17h17v-51h6v-32z";
+
+        verifyPoly("disjunct", disjunct, aDisjunctRanges);
+        verifyPoly("equal", equal, aEqualRanges);
+        verifyPoly("intersectionN", intersectionN, aIntersectionN);
+        verifyPoly("intersectionE", intersectionE, aIntersectionE);
+        verifyPoly("intersectionS", intersectionS, aIntersectionS);
+        verifyPoly("intersectionW", intersectionW, aIntersectionW);
+        verifyPoly("intersectionNE", intersectionNE, aIntersectionNE);
+        verifyPoly("intersectionSE", intersectionSE, aIntersectionSE);
+        verifyPoly("intersectionSW", intersectionSW, aIntersectionSW);
+        verifyPoly("intersectionNW", intersectionNW, aIntersectionNW);
+        verifyPoly("ringIntersection", ringIntersection, aRingIntersection);
+        verifyPoly("ringIntersection2", ringIntersection2, aRingIntersection2);
+        verifyPoly("ringIntersectExtraStrip", ringIntersectExtraStrip, aRingIntersectExtraStrip);
+        verifyPoly("complexIntersections", complexIntersections, aComplexIntersections);
+        verifyPoly("randomIntersections", randomIntersections, aRandomIntersections);
+    }
+
+    void dumpSvg(const char* pName,
+                 const ::basegfx::B2DPolyPolygon& rPoly)
+    {
+        (void)pName; (void)rPoly;
+#if defined(VERBOSE)
+        fprintf(stderr, "%s - svg:d=\"%s\"\n",
+                pName, rtl::OUStringToOString(
+                    basegfx::tools::exportToSvgD(rPoly),
+                    RTL_TEXTENCODING_UTF8).getStr() );
+#endif
+    }
+
+    void getPolyPolygon()
+    {
+        dumpSvg("disjunct",aDisjunctRanges.solveCrossovers());
+        dumpSvg("equal",aEqualRanges.solveCrossovers());
+        dumpSvg("intersectionN",aIntersectionN.solveCrossovers());
+        dumpSvg("intersectionE",aIntersectionE.solveCrossovers());
+        dumpSvg("intersectionS",aIntersectionS.solveCrossovers());
+        dumpSvg("intersectionW",aIntersectionW.solveCrossovers());
+        dumpSvg("intersectionNE",aIntersectionNE.solveCrossovers());
+        dumpSvg("intersectionSE",aIntersectionSE.solveCrossovers());
+        dumpSvg("intersectionSW",aIntersectionSW.solveCrossovers());
+        dumpSvg("intersectionNW",aIntersectionNW.solveCrossovers());
+        dumpSvg("ringIntersection",aRingIntersection.solveCrossovers());
+        dumpSvg("ringIntersection2",aRingIntersection2.solveCrossovers());
+        dumpSvg("aRingIntersectExtraStrip",aRingIntersectExtraStrip.solveCrossovers());
+        dumpSvg("complexIntersections",aComplexIntersections.solveCrossovers());
+        dumpSvg("randomIntersections",aRandomIntersections.solveCrossovers());
+
+        CPPUNIT_ASSERT_MESSAGE("getPolyPolygon", true );
+    }
+
+    void validatePoly( const char* pName, const B2DPolyRange& rRange )
+    {
+        B2DPolyPolygon genericClip;
+        const sal_uInt32 nCount=rRange.count();
+        for( sal_uInt32 i=0; i<nCount; ++i )
+        {
+            B2DPolygon aRect=tools::createPolygonFromRect(
+                rRange.getElement(i).head);
+            if( rRange.getElement(i).tail.head == ORIENTATION_NEGATIVE )
+                aRect.flip();
+
+            genericClip.append(aRect);
+        }
+
+#if defined(VERBOSE)
+        fprintf(stderr, "%s input      - svg:d=\"%s\"\n",
+                pName, rtl::OUStringToOString(
+                    basegfx::tools::exportToSvgD(
+                        genericClip),
+                    RTL_TEXTENCODING_UTF8).getStr() );
+#endif
+
+        const B2DPolyPolygon boxClipResult=rRange.solveCrossovers();
+        const rtl::OUString boxClipSvg(
+            basegfx::tools::exportToSvgD(
+                normalizePoly(
+                    boxClipResult)));
+#if defined(VERBOSE)
+        fprintf(stderr, "%s boxclipper - svg:d=\"%s\"\n",
+                pName, rtl::OUStringToOString(
+                    boxClipSvg,
+                    RTL_TEXTENCODING_UTF8).getStr() );
+#endif
+
+        genericClip = tools::solveCrossovers(genericClip);
+        const rtl::OUString genericClipSvg(
+            basegfx::tools::exportToSvgD(
+                normalizePoly(
+                    genericClip)));
+#if defined(VERBOSE)
+        fprintf(stderr, "%s genclipper - svg:d=\"%s\"\n",
+                pName, rtl::OUStringToOString(
+                    genericClipSvg,
+                    RTL_TEXTENCODING_UTF8).getStr() );
+#endif
+
+        CPPUNIT_ASSERT_MESSAGE(pName,
+                               genericClipSvg == boxClipSvg);
+    }
+
+    void validatePoly()
+    {
+        validatePoly("disjunct", aDisjunctRanges);
+        validatePoly("equal", aEqualRanges);
+        validatePoly("intersectionN", aIntersectionN);
+        validatePoly("intersectionE", aIntersectionE);
+        validatePoly("intersectionS", aIntersectionS);
+        validatePoly("intersectionW", aIntersectionW);
+        validatePoly("intersectionNE", aIntersectionNE);
+        validatePoly("intersectionSE", aIntersectionSE);
+        validatePoly("intersectionSW", aIntersectionSW);
+        validatePoly("intersectionNW", aIntersectionNW);
+        validatePoly("ringIntersection", aRingIntersection);
+        validatePoly("ringIntersection2", aRingIntersection2);
+        validatePoly("ringIntersectExtraStrip", aRingIntersectExtraStrip);
+        // generic clipper buggy here, likely
+        //validatePoly("complexIntersections", aComplexIntersections);
+        //validatePoly("randomIntersections", aRandomIntersections);
+    }
+
+    // Change the following lines only, if you add, remove or rename
+    // member functions of the current class,
+    // because these macros are need by auto register mechanism.
+
+    CPPUNIT_TEST_SUITE(boxclipper);
+    CPPUNIT_TEST(validatePoly);
+    CPPUNIT_TEST(verifyPoly);
+    CPPUNIT_TEST(getPolyPolygon);
+    CPPUNIT_TEST_SUITE_END();
+};
+
+// -----------------------------------------------------------------------------
+CPPUNIT_TEST_SUITE_NAMED_REGISTRATION(basegfx2d::boxclipper, "boxclipper");
+} // namespace basegfx2d
+
+
+// -----------------------------------------------------------------------------
+
+// this macro creates an empty function, which will called by the RegisterAllFunctions()
+// to let the user the possibility to also register some functions by hand.
+// NOADDITIONAL;
+

basegfx/test/makefile.mk

@@ -85,6 +85,10 @@ SLOFILES=$(SHL1OBJS)
 .INCLUDE : target.mk
 .INCLUDE : _cppunit.mk 
 
+.IF "$(verbose)"!="" || "$(VERBOSE)"!=""
+CDEFS+= -DVERBOSE
+.ENDIF
+
 # --- Enable testshl2 execution in normal build ------------------------
 
 $(MISC)$/unittest_succeeded : $(SHL1TARGETN)