[42] | 1 | <?php // content="text/plain; charset=utf-8"
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| 2 | // $Id: canvasbezierex1.php,v 1.1 2002/10/05 21:04:28 aditus Exp $
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| 3 | require_once ('jpgraph/jpgraph.php');
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| 4 | require_once ('jpgraph/jpgraph_canvas.php');
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| 5 | require_once ('jpgraph/jpgraph_canvtools.php');
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| 6 |
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| 7 | // Setup canvas graph
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| 8 | $g = new CanvasGraph(400,300);
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| 9 | $scale = new CanvasScale($g);
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| 10 | $shape = new Shape($g,$scale);
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| 11 |
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| 12 | $g->title->Set('Bezier line with control points');
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| 13 |
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| 14 | // Setup control point for bezier
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| 15 | $p = array(3,6,
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| 16 | 6,9,
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| 17 | 5,3,
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| 18 | 7,4);
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| 19 |
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| 20 | // Visualize control points
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| 21 | $shape->SetColor('blue');
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| 22 | $shape->Line($p[0],$p[1],$p[2],$p[3]);
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| 23 | $shape->FilledCircle($p[2],$p[3],-6);
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| 24 |
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| 25 | $shape->SetColor('red');
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| 26 | $shape->Line($p[4],$p[5],$p[6],$p[7]);
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| 27 | $shape->FilledCircle($p[4],$p[5],-6);
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| 28 |
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| 29 | // Draw bezier
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| 30 | $shape->SetColor('black');
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| 31 | $shape->Bezier($p);
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| 32 |
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| 33 | // Frame it with a square
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| 34 | $shape->SetColor('navy');
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| 35 | $shape->Rectangle(0.5,2,9.5,9.5);
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| 36 |
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| 37 | // ... and stroke it
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| 38 | $g->Stroke();
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| 39 | ?>
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| 40 |
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