j0h
j0h

Reputation: 1784

Draw circle with php imagemagick

I just want to get the basic idea of how to draw a circle with php5 imagemagick. I have looked at the page, http://php.net/manual/en/imagickdraw.circle.php but the example there is too confusing. I want to just draw a circle then mess around with that. Can someone give me a simple php5 imagemagick circle example?

I have tried:

<?php
header("Content-type: image/jpeg");
$circle = new ImagickDraw();
$draw->circle (10, 10, 60, 10);
//echo $circle;
?>

any numerous variants, but I cant get a circle drawn.

Upvotes: 3

Views: 3620

Answers (2)

j0h
j0h

Reputation: 1784

Danak on the php chat page provided me with this link, Which provides an active example. http://www.phpimagick.com/ImagickDraw/circle

The variable names are concise and descriptive, and the example makes it easy for me to understand what is going on.

function circle($strokeColor, $fillColor, $backgroundColor, $originX, $originY, $endX, $endY) {

    //Create a ImagickDraw object to draw into.
    $draw = new \ImagickDraw();

    $strokeColor = new \ImagickPixel($strokeColor);
    $fillColor = new \ImagickPixel($fillColor);

    $draw->setStrokeOpacity(1);
    $draw->setStrokeColor($strokeColor);
    $draw->setFillColor($fillColor);

    $draw->setStrokeWidth(2);
    $draw->setFontSize(72);

    $draw->circle($originX, $originY, $endX, $endY);

    $imagick = new \Imagick();
    $imagick->newImage(500, 500, $backgroundColor);
    $imagick->setImageFormat("png");
    $imagick->drawImage($draw);

    header("Content-Type: image/png");
    echo $imagick->getImageBlob();
}

Upvotes: 1

Traian Tatic
Traian Tatic

Reputation: 691

I hope this is what you're looking for:

<?php
$draw = new ImagickDraw ();
//given that $x and $y are the coordinates of the centre, and $r the radius:
$draw->circle ($x, $y, $x + $r, $y);
?>

Upvotes: 1

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