1<html> 2 3<head> 4 5 <script type="text/javascript" src="../../../../../../Scripts/jquery.js"> 6 </script> 7 8 <script type="text/javascript" src="../../../../../../Scripts/SyntaxHighlighter/scripts/shCore.js"> 9 </script> 10 11 <script type="text/javascript" src="../../../../../../Scripts/SyntaxHighlighter/scripts/shBrushDelphi.js"> 12 </script> 13 14 <script type="text/javascript" src="../../../../../../Scripts/SyntaxHighlighter/scripts/shBrushCpp.js"> 15 </script> 16 17 <script type="text/javascript" src="../../../../../../Scripts/SyntaxHighlighter/scripts/shBrushCSharp.js"> 18 </script> 19 20 <link type="text/css" rel="stylesheet" href="../../../../../../Scripts/SyntaxHighlighter/styles/shCoreDefault.css"> 21 22 <link type="text/css" rel="stylesheet" href="../../../../../../Scripts/SyntaxHighlighter/styles/shThemeDefault.css"> 23 24 25 <title>Execute</title> 26 27 <link rel="stylesheet" href="../../../../../../Styles/default.css" type="text/css"> 28 29 30 <script type="text/javascript" src="../../../../../../Scripts/bootstrap.js"> 31 </script> 32 33</head> 34 35<body bgcolor="#FFFFFF"> 36 37 <!-- THIS FILE HAS BEEN AUTOMATICALLY PROCESSED FROM A SOURCE COPY --> 38 39 <!-- DO NOT EDIT MANUALLY !!! --> 40 41 <table class="Banner" cellspacing="0" cellpadding="0" border="1" bordercolorlight="#303080" bordercolordark="#7070B0"> 42 <tr> 43 <td class="Banner" nowrap=""><a href="../../../../../_Body.htm" class="Banner"><img src="../../../../../../Images/_Home.gif" align="absmiddle">Home</a> 44 </td> 45 <td class="Banner" nowrap=""><a href="../../../_Body.htm" class="Banner"><img src="../../../../../../Images/_Unit.gif" align="absmiddle">ClipperLib</a> 46 </td> 47 <td class="Banner" nowrap=""><a href="../_Body.htm" class="Banner"><img src="../../../../../../Images/_Class.gif" align="absmiddle">ClipperOffset</a> 48 </td> 49 <td class="Banner" width="100%" align="right"><img src="../../../../../../Images/_Project_Logo.gif" align="absmiddle"> 50 </td> 51 </tr> 52 </table> 53 <h1>ClipperOffset.Execute</h1> 54 55 56 <p class="Decl"><span class="Comment">Del.»</span> <b>procedure</b> Execute(<b>out</b> solution: TPaths; Delta: Double); <b>overload</b>;</p> 57 58 <p class="Decl2"><span class="Comment"> C++ »</span> <b>void</b> Execute(Paths& solution, double delta);</p> 59 60 <p class="Decl3"><span class="Comment">C# »</span> <b>public void</b> Execute(ref Paths solution, double delta);</p> 61<br> 62 63 <p class="Decl"><span class="Comment">Del.»</span> <b>procedure</b> Execute(<b>out</b> PolyTree: TPolyTree; Delta: Double); <b>overload</b>;</p> 64 65 <p class="Decl2"><span class="Comment"> C++ »</span> <b>void</b> Execute(PolyTree& polytree, double delta);</p> 66 67 <p class="Decl3"><span class="Comment">C# »</span> <b>public void</b> Execute(ref PolyTree polytree, double delta);</p> 68<br> 69 70 71 <p class="Body"> This method takes two parameters. The first is the structure that receives the result of the offset operation (either a PolyTree or a Paths structure). The second parameter is the amount to which the supplied paths will be offset. Negative delta values shrink polygons and positive delta expand them.<br><br> This method can be called multiple times, offsetting the same paths by different amounts (ie using different deltas).<br><br> <img src="../../../../../../Images/offset1.png" alt="" width="310" height="314" border="0" align="right"> 72 <table cellspacing="0" cellpadding="0" border="0" align="left" style="margin: 0;" width="560px"> 73 74 <tr> 75 <td class="White"> 76 77 <pre class="brush: cpp;"> 78#include "clipper.hpp" 79... 80using namespace ClipperLib; 81 82int main() 83{ 84 Path subj; 85 Paths solution; 86 subj << 87 IntPoint(348,257) << IntPoint(364,148) << IntPoint(362,148) << 88 IntPoint(326,241) << IntPoint(295,219) << IntPoint(258,88) << 89 IntPoint(440,129) << IntPoint(370,196) << IntPoint(372,275); 90 ClipperOffset co; 91 co.AddPath(subj, jtRound, etClosedPolygon); 92 co.Execute(solution, -7.0); 93 94 //draw solution ... 95 DrawPolygons(solution, 0x4000FF00, 0xFF009900); 96} 97 </pre> 98 99 100 </td> 101 </tr> 102 103 </table> <div style="clear:both"> </div> </p> 104 105 106 107 <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> 108 109</body> 110 111</html>