From f7b4cc602b9a646fbc66f3f17d6bb9c20efc3ead Mon Sep 17 00:00:00 2001
From: jaseg <git@jaseg.de>
Date: Sun, 24 Jan 2021 18:44:56 +0100
Subject: Initial commit
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+<html>
+
+<head>
+
+ <script type="text/javascript" src="../../Scripts/jquery.js">
+ </script>
+
+ <script type="text/javascript" src="../../Scripts/SyntaxHighlighter/scripts/shCore.js">
+ </script>
+
+ <script type="text/javascript" src="../../Scripts/SyntaxHighlighter/scripts/shBrushDelphi.js">
+ </script>
+
+ <script type="text/javascript" src="../../Scripts/SyntaxHighlighter/scripts/shBrushCpp.js">
+ </script>
+
+ <script type="text/javascript" src="../../Scripts/SyntaxHighlighter/scripts/shBrushCSharp.js">
+ </script>
+
+ <link type="text/css" rel="stylesheet" href="../../Scripts/SyntaxHighlighter/styles/shCoreDefault.css">
+
+ <link type="text/css" rel="stylesheet" href="../../Scripts/SyntaxHighlighter/styles/shThemeDefault.css">
+
+
+ <title>Example</title>
+
+ <link rel="stylesheet" href="../../Styles/default.css" type="text/css">
+
+
+ <script type="text/javascript" src="../../Scripts/bootstrap.js">
+ </script>
+
+</head>
+
+<body bgcolor="#FFFFFF">
+
+ <!-- THIS FILE HAS BEEN AUTOMATICALLY PROCESSED FROM A SOURCE COPY -->
+
+ <!-- DO NOT EDIT MANUALLY !!! -->
+
+ <table class="Banner" cellspacing="0" cellpadding="0" border="1" bordercolorlight="#303080" bordercolordark="#7070B0">
+ <tr>
+ <td class="Banner" nowrap=""><a href="../_Body.htm" class="Banner"><img src="../../Images/_Home.gif" align="absmiddle">Home</a>
+ </td>
+ <td class="Banner" nowrap=""><a href="_Body.htm" class="Banner">Overview</a>
+ </td>
+ <td class="Banner" width="100%" align="right"><img src="../../Images/_Project_Logo.gif" align="absmiddle">
+ </td>
+ </tr>
+ </table>
+ <h1>Example</h1>
+
+
+ <table cellspacing="0" cellpadding="0" border="0" align="left" style="margin: 0;" width="600px">
+ <th align="left">Delphi Code Sample:
+ </th>
+
+ <tr>
+ <td class="White">
+
+ <pre class="brush: delphi;">
+ uses
+ graphics32, clipper;
+
+ function GetEllipsePoints(bounds: TIntRect): TPath;
+ begin
+ //code to create an elliptical polygon here
+ end;
+
+ procedure DrawPolygons(polys: TPaths; color: TColor32);
+ begin
+ //code to display the polygons here
+ end;
+
+ var
+ sub, clp, sol: TPaths;
+ begin
+
+ //set up the subject and clip polygons ...
+ setlength(sub, 3);
+ sub[0] := GetEllipsePoints(IntRect(100,100,300,300));
+ sub[1] := GetEllipsePoints(IntRect(125,130,275,180));
+ sub[2] := GetEllipsePoints(IntRect(125,220,275,270));
+
+ setlength(clp, 1);
+ clp[0] := GetEllipsePoints(IntRect(140,70,220,320));
+
+ //display the subject and clip polygons ...
+ DrawPolygons(sub, 0x8033FFFF);
+ DrawPolygons(clp, 0x80FFFF33);
+
+ //get the intersection of the subject and clip polygons ...
+ with TClipper.Create do
+ try
+ AddPaths(sub, ptSubject, true);
+ AddPaths(clp, ptClip, true);
+ Execute(ctIntersection, sol, pftEvenOdd, pftEvenOdd);
+ finally
+ free;
+ end;
+
+ //finally draw the intersection polygons ...
+ DrawPolygons(sol, 0x40808080);
+ </pre>
+
+ </td>
+ </tr>
+
+ </table>
+ <div style="clear:both"> </div>
+
+
+
+ <table cellspacing="0" cellpadding="0" border="0" align="left" style="margin: 0;" width="600px">
+ <th align="left">C++ Code Sample:
+ </th>
+
+ <tr>
+ <td class="White">
+
+ <pre class="brush: cpp;">
+ #include "clipper.hpp"
+
+ ...
+
+ //from clipper.hpp ...
+ //typedef long long cInt;
+ //struct IntPoint {cInt X; cInt Y;};
+ //typedef std::vector<IntPoint> Path;
+ //typedef std::vector<Polygon> Paths;
+
+ using namespace ClipperLib;
+
+ void GetEllipsePoints(IntRect& bounds, Path& p)
+ {/* ... */}
+
+ void DrawPolygons(Paths& p, unsigned color)
+ {/* ... */}
+
+ int main()
+ {
+ //set up the subject and clip polygons ...
+ Paths sub(3);
+ GetEllipsePoints(IntRect(100,100,300,300), sub[0]);
+ GetEllipsePoints(IntRect(125,130,275,180), sub[1]);
+ GetEllipsePoints(IntRect(125,220,275,270), sub[2]);
+
+ Paths clp(1);
+ GetEllipsePoints(IntRect(140,70,220,320), clp[0]);
+
+ //display the subject and clip polygons ...
+ DrawPolygons(sub, 0x8033FFFF);
+ DrawPolygons(clp, 0x80FFFF33);
+
+ //get the intersection of the subject and clip polygons ...
+ Clipper clpr;
+ clpr.AddPaths(sub, ptSubject, true);
+ clpr.AddPaths(clp, ptClip, true);
+ Paths solution;
+ clpr.Execute(ctIntersection, solution, pftEvenOdd, pftEvenOdd);
+
+ //finally draw the intersection polygons ...
+ DrawPolygons(solution, 0x40808080);
+ }
+ </pre>
+
+
+ </td>
+ </tr>
+
+ </table>
+ <div style="clear:both"> </div>
+
+
+ <table cellspacing="0" cellpadding="0" border="0" align="left" style="margin: 0;" width="600px">
+ <th align="left">C# Code Sample:
+ </th>
+
+ <tr>
+ <td class="White">
+
+ <pre class="brush: csharp;">
+ ...
+ using ClipperLib;
+
+ ...
+ using Path = List<IntPoint>;
+ using Paths = List<List<IntPoint>>;
+
+ static Path GetEllipsePoints(IntRect bounds)
+ {/* ... */}
+
+ static void DrawPolygons(Path p, uint color)
+ {/* ... */}
+
+ static void Main(string[] args)
+ {
+ Paths subjs = new Paths(3);
+ subjs.Add(GetEllipsePoints(new IntRect(100,100,300,300)));
+ subjs.Add(GetEllipsePoints(new IntRect(125,130,275,180)));
+ subjs.Add(GetEllipsePoints(new IntRect(125,220,275,270)));
+
+ Paths clips = new Paths(1);
+ clips.Add(GetEllipsePoints(new IntRect(140,70,220,320)));
+
+ DrawPolygons(subjs, 0x8033FFFF);
+ DrawPolygons(clips, 0x80FFFF33);
+
+ Paths solution = new Paths();
+ Clipper c = new Clipper();
+ c.AddPaths(subjs, PolyType.ptSubject, true);
+ c.AddPaths(clips, PolyType.ptClip, true);
+ c.Execute(ClipType.ctIntersection, solution);
+
+ DrawPolygons(solution, 0x40808080);
+ }
+ </pre>
+
+ </td>
+ </tr>
+
+ </table>
+
+ <div style="clear:both"> </div>
+ <img src="../../Images/sample1.png" alt="" border="0">
+
+
+
+ <p class="Copyright" id="auto"> <br><br> Copyright ©2010-2014 Angus Johnson - Clipper 6.2.1 - Help file built on 1-November-2014 <br><br> </p>
+
+</body>
+
+
+</html>
\ No newline at end of file
--
cgit