How can I wrap text using Imagick in PHP so that it is drawn as multiline text?

Question

The Imagick library in PHP allows you to draw text on top of an image.

How can I tell Imagick to wrap the text based upon some bounded text box, so that the words ap

Answer 1

Hi i find some sollution thanks for BMinner for his code i edit his code and get good working sollution

USAGE

newImage($w,$h,new ImagickPixel('green'),'png');


$draw = new ImagickDraw();
$draw->setFontSize(25);

$text="SomeTextWithoutSpacesAndGoingOn..xxxxx 

some short words with spaces 

and some text
with manuel page
break 

and also multiple spaces                      spaces end. also w i t o n e c ha ra c ter";

 list($lines, $lineHeight)= wordWrapAnnotation($canvas, $draw, $text, $w-20);

 $canvas->annotateImage($draw, 10, $lineHeight , 0, $lines);

 header("Content-Type: image/png");
   echo $canvas;

?>

FUNCTIONS REFERANCED FROM BMinner

 0) {
        $ret = array();
        $len = mb_strlen($str, "UTF-8");
        for ($i = 0; $i < $len; $i += $l) {
            $ret[] = mb_substr($str, $i, $l, "UTF-8");
        }
        return $ret;
    }
    return preg_split("//u", $str, -1, PREG_SPLIT_NO_EMPTY);
} 










//this is my function detects long words and split them 

 function check_long_words($image,$draw,$text,$maxWidth) {
    $metrics = $image->queryFontMetrics($draw, $text);
    if($metrics['textWidth'] <= $maxWidth)
    return array($text);

$words = str_split_unicode($text);



$i = 0;

 while($i < count($words) )
    {
        $currentLine = $words[$i];
        if($i+1 >= count($words))
        {

             $lines[] = $currentLine;
            //$lines = $lines + $checked;
            break;
        }
        //Check to see if we can add another word to this line
        $metrics = $image->queryFontMetrics($draw, $currentLine . $words[$i+1]);

        while($metrics['textWidth'] <= $maxWidth)
        {
            //If so, do it and keep doing it!
            $currentLine .= $words[++$i];
            if($i+1 >= count($words))
                break;
            $metrics = $image->queryFontMetrics($draw, $currentLine . ' ' . $words[$i+1]);
            $t++;
        }
        //We can't add the next word to this line, so loop to the next line


            $lines[] = $currentLine;

        $i++;

    }


return $lines;

}   








//this is BMiner code some fixes for manule breaks
function wordWrapAnnotation(&$image, &$draw, $text, $maxWidth)
{
    $brler = explode("
", $text);
    $lines = array();


    foreach($brler as $br)
    {
        $i = 0;


$words = explode(" ", $br);


 while($i < count($words) )
    {

        $currentLine = $words[$i];


 $metrics = $image->queryFontMetrics($draw, $currentLine . ' ' . $words[$i+1]);        

        if($i+1 >= count($words))
        {
            $checked=check_long_words($image,$draw,$currentLine,$maxWidth);
            $lines = array_merge($lines, $checked);

            if($metrics['textHeight'] > $lineHeight)
            $lineHeight = $metrics['textHeight'];
            //$lines = $lines + $checked;
            break;
        }
        //Check to see if we can add another word to this line


        while($metrics['textWidth'] <= $maxWidth)
        {
            //If so, do it and keep doing it!
            $currentLine .= ' ' . $words[++$i];
            if($i+1 >= count($words))
                break;
            $metrics = $image->queryFontMetrics($draw, $currentLine . ' ' . $words[$i+1]);
            $t++;
        }
        //We can't add the next word to this line, so loop to the next line

        $checked=check_long_words($image,$draw,$currentLine,$maxWidth);
            $lines = array_merge($lines, $checked);

        $i++;
        //Finally, update line height
        if($metrics['textHeight'] > $lineHeight)
            $lineHeight = $metrics['textHeight'];
    }




    }
    return array(join("\n",$lines), $lineHeight);



}

?>

AND OUTPUT