1 | <?php // content="text/plain; charset=utf-8"
|
---|
2 | // $Id: canvasbezierex1.php,v 1.1 2002/10/05 21:04:28 aditus Exp $
|
---|
3 | require_once ('jpgraph/jpgraph.php');
|
---|
4 | require_once ('jpgraph/jpgraph_canvas.php');
|
---|
5 | require_once ('jpgraph/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 |
|
---|