[Sommaire] [Imprimer]

   1  <?php
   2  // $Id: canvasbezierex1.php,v 1.1 2002/10/05 21:04:28 aditus Exp $
   3  include  "../jpgraph.php";
   4  include  "../jpgraph_canvas.php";
   5  include  "../jpgraph_canvtools.php";
   6  
   7  // Setup canvas graph
   8  $g = new CanvasGraph(400,300);
   9  $scale = new CanvasScale($g);
  10  $shape = new Shape($g,$scale);
  11  
  12  $g->title->Set('Bezier line with control points');
  13  
  14  // Setup control point for bezier
  15  $p = array(3,6,
  16         6,9,
  17         5,3,
  18         7,4);
  19  
  20  // Visualize control points
  21  $shape->SetColor('blue');
  22  $shape->Line($p[0],$p[1],$p[2],$p[3]);
  23  $shape->FilledCircle($p[2],$p[3],-6);
  24  
  25  $shape->SetColor('red');
  26  $shape->Line($p[4],$p[5],$p[6],$p[7]);
  27  $shape->FilledCircle($p[4],$p[5],-6);
  28  
  29  // Draw bezier
  30  $shape->SetColor('black');
  31  $shape->Bezier($p);
  32  
  33  // Frame it with a square
  34  $shape->SetColor('navy');
  35  $shape->Rectangle(0.5,2,9.5,9.5);
  36  
  37  // ... and stroke it
  38  $g->Stroke();
  39  ?>
  40