imagettftext

(PHP 4, PHP 5)

imagettftextWrite text to the image using TrueType fonts

Description

array imagettftext ( resource $image , float $size , float $angle , int $x , int $y , int $color , string $fontfile , string $text )

Writes the given text into the image using TrueType fonts.

Parameters

image

An image resource, returned by one of the image creation functions, such as imagecreatetruecolor().

size

The font size. Depending on your version of GD, this should be specified as the pixel size (GD1) or point size (GD2).

angle

The angle in degrees, with 0 degrees being left-to-right reading text. Higher values represent a counter-clockwise rotation. For example, a value of 90 would result in bottom-to-top reading text.

x

The coordinates given by x and y will define the basepoint of the first character (roughly the lower-left corner of the character). This is different from the imagestring(), where x and y define the upper-left corner of the first character. For example, "top left" is 0, 0.

y

The y-ordinate. This sets the position of the fonts baseline, not the very bottom of the character.

color

The color index. Using the negative of a color index has the effect of turning off antialiasing. See imagecolorallocate().

fontfile

The path to the TrueType font you wish to use.

Depending on which version of the GD library PHP is using, when fontfile does not begin with a leading / then .ttf will be appended to the filename and the library will attempt to search for that filename along a library-defined font path.

When using versions of the GD library lower than 2.0.18, a space character, rather than a semicolon, was used as the 'path separator' for different font files. Unintentional use of this feature will result in the warning message: Warning: Could not find/open font. For these affected versions, the only solution is moving the font to a path which does not contain spaces.

In many cases where a font resides in the same directory as the script using it the following trick will alleviate any include problems.

<?php
// Set the enviroment variable for GD
putenv('GDFONTPATH=' realpath('.'));

// Name the font to be used (note the lack of the .ttf extension)
$font 'SomeFont';
?>

text

The text string in UTF-8 encoding.

May include decimal numeric character references (of the form: &#8364;) to access characters in a font beyond position 127. The hexadecimal format (like &#xA9;) is supported. Strings in UTF-8 encoding can be passed directly.

Named entities, such as &copy;, are not supported. Consider using html_entity_decode() to decode these named entities into UTF-8 strings.

If a character is used in the string which is not supported by the font, a hollow rectangle will replace the character.

Return Values

Returns an array with 8 elements representing four points making the bounding box of the text. The order of the points is lower left, lower right, upper right, upper left. The points are relative to the text regardless of the angle, so "upper left" means in the top left-hand corner when you see the text horizontally. Returns FALSE on error.

Changelog

Version Description
5.2.0 It is now possible to specify an hexadecimal entity in text.

Examples

Example #1 imagettftext() example

This example script will produce a white PNG 400x30 pixels, with the words "Testing..." in black (with grey shadow), in the font Arial.

<?php
// Set the content-type
header('Content-Type: image/png');

// Create the image
$im imagecreatetruecolor(40030);

// Create some colors
$white imagecolorallocate($im255255255);
$grey imagecolorallocate($im128128128);
$black imagecolorallocate($im000);
imagefilledrectangle($im0039929$white);

// The text to draw
$text 'Testing...';
// Replace path by your own font path
$font 'arial.ttf';

// Add some shadow to the text
imagettftext($im2001121$grey$font$text);

// Add the text
imagettftext($im2001020$black$font$text);

// Using imagepng() results in clearer text compared with imagejpeg()
imagepng($im);
imagedestroy($im);
?>

The above example will output something similar to:

Output of example : imagettftext()

Notes

Note:

This function requires both the GD library and the » FreeType library.

See Also

  • imagettfbbox() - Give the bounding box of a text using TrueType fonts

Коментарии

If you are getting all rectangles instead of text, it may well mean that your ttf font is not opentype, particularly if it is an older freeware one. This requirement didn't exist in older versions so you may find that your font stops working after you upgrade. To fix this problem, try downloading the free MS Volt utility. From there, open your font file, and then click on Compile, and resave.
2004-07-15 16:37:40
http://php5.kiev.ua/manual/ru/function.imagettftext.html
Hey guys,

check this function if you want to rotate the text around its center and not its "lower left" pivot-point:

<?php
       
// Put center-rotated ttf-text into image
        // Same signature as imagettftext();
       
function imagettftext_cr(&$im$size$angle$x$y$color$fontfile$text)
        {
           
// retrieve boundingbox
           
$bbox imagettfbbox($size$angle$fontfile$text);
           
           
// calculate deviation
           
$dx = ($bbox[2]-$bbox[0])/2.0 - ($bbox[2]-$bbox[4])/2.0;         // deviation left-right
           
$dy = ($bbox[3]-$bbox[1])/2.0 + ($bbox[7]-$bbox[1])/2.0;        // deviation top-bottom
           
            // new pivotpoint
           
$px $x-$dx;
           
$py $y-$dy;
           
            return 
imagettftext($im$size$angle$px$py$color$fontfile$text);
        }

?>

Big up
Phil
2005-01-12 07:14:22
http://php5.kiev.ua/manual/ru/function.imagettftext.html
Remember!!!

When uploading a font to your website you have to set the transfer mode to binary. It took me some time to find out :P. Tried to download the font from my website and it was spoiled.

In your script, the path to your font, use realpath("arial.ttf") so there is no confusion about that.
2005-03-04 06:46:45
http://php5.kiev.ua/manual/ru/function.imagettftext.html
Hi all!
When my hoster updated his php's libs at first minutes i've got the same problem as some of you.
Php couldn't find the path to true type fonts.
The solution in my case was to make the path look like this
<?php
imagettftext
($im200620260$secondary_color"./tahoma.ttf" "NEWS");
?>
so as you can see i simply added "./"

another tip that i wanted to add here is how to write in RUssian on image using imagettftext
you simply have to change the function argument like this
<?php
imagettftext
($im150575300$secondary_color"./tahoma.ttf" win2uni("some word in russian"));
 
?>
where win2uni is the function that converts win1251 to unicode. here is the code of it
<?php 

 
//  Windows 1251 -> Unicode
 
function win2uni($s)
  {
   
$s convert_cyr_string($s,'w','i'); //  win1251 -> iso8859-5
    //  iso8859-5 -> unicode:
   
for ($result=''$i=0$i<strlen($s); $i++) {
     
$charcode ord($s[$i]);
     
$result .= ($charcode>175)?"&#".(1040+($charcode-176)).";":$s[$i];
    }
    return 
$result;
  }
?>

That's all today! Thanks for your attention!
Alex
2005-08-10 12:05:41
http://php5.kiev.ua/manual/ru/function.imagettftext.html
Notice that the path to the TrueType font has to be included in open_basedir list if open_basedir restriction is activated in php.ini.
2005-08-31 03:30:23
http://php5.kiev.ua/manual/ru/function.imagettftext.html
Автор:
I was looking for a way to add kerning to my text and finally just made this function to do it. Of course, if you're generating the size of the image based on the text you're putting in it, you'll have to figure out the new size to fit the new text width but I'm sure you can figure that out.

for($i=0;$i<strlen($text);$i++){
        // Get single character
    $value=substr($text,$i,1);
    if($pval){ // check for existing previous character
        list($lx,$ly,$rx,$ry) = imagettfbbox($fontsize,0,$font,$pval);
        $nxpos+=$rx+3;
    }else{
        $nxpos=0;
    }
        // Add the letter to the image
    imagettftext($im, $fontsize, 0, $nxpos, $ypos, $fontcolor, $font, $value);
    $pval=$value; // save current character for next loop
}
2006-01-10 14:41:22
http://php5.kiev.ua/manual/ru/function.imagettftext.html
Автор:
If you have configured and compiled PHP with all the necessary command-line options and still get the error:

Fatal error: Call to undefined function imagettftext()

Try doing a "make clean"  before building the php apache module:

./configure [...]
make clean
make
make install 

This may solve your problem (and hopefully keep you from wasting hours trying different compile options!)
2006-01-28 14:53:08
http://php5.kiev.ua/manual/ru/function.imagettftext.html
On my conf: php5.1.2+apache 1.33
iconv() function works very well with all cyrillic encodings, so you needn't to write your function like win2uni
2006-02-28 11:52:02
http://php5.kiev.ua/manual/ru/function.imagettftext.html
I'll second the note from --colobri--. 

Just adding --with-ttf and --with-freetype-dir=/usr/lib/ on the ./configure and then doing a "make; make install" is not enough.

I had to do a "make clean" and then a "make install" in order to get the FreeType-support enabled.

Here are my relevant ./configure lines:
--with-gd \
--enable-gd-native-ttf \
--with-ttf \
--with-freetype-dir=/usr/lib/ \
--with-jpeg-dir=/usr/lib/libjpeg.so.62 \
--enable-exif \
2006-03-28 05:23:49
http://php5.kiev.ua/manual/ru/function.imagettftext.html
Another way of the bellow. After creating a child class of GMIPluggableSet class, which should override two method: getExpression() and getVariables(), throw it to a instance of FontImageGenerator class.
For example, the code follows:

<?php

require_once 'package.fig.php';

class 
SampleFontImagePluggableSet
   
extends GMIPluggableSet
{
    var 
$defaultVariables = array(
       
"text" => null,
       
"size" => null,
       
"font" => null,
       
"color" => "0x000000",
       
"alpha" => "100",
       
"padding" => 0,
       
"width" => null,
       
"height" => null,
       
"align" => "left",
       
"valign" => "middle",
       
"bgcolor" => "0xffffff",
       
"antialias" => 4
   
);
   
    function 
SampleFontImagePluggableSet() {
       
parent::GMIPluggableSet();
    }
   
    function 
getExpression() {
        return 
"size {width}, {height};".
               
"autoresize none;".
               
"type gif, 256, {color: {bgcolor}};".
               
"padding {padding};".
               
"color {color: {bgcolor}};".
               
"fill;".
               
"color {color: {color}, {alpha}};".
               
"antialias {antialias};".
               
"font {font}, {size};".
               
"string {text}, 0, 0, {width}, {height}, {align}, {valign};";
    }
   
    function 
getVariables() {
        return 
array_merge($this->defaultVariables$_GET);
    }
}

$pluggableSet = new SampleFontImagePluggableSet();
$fig = new FontImageGenerator();
$fig->setPluggableSet($pluggableSet);
$fig->execute();

?>

This output a image with the text defined in $_GET['text'], the font in $_GET['font'], the text color in $_GET['color'], the background in $_GET['bgcolor'], and so on.

The script file is available at: http://sgssweb.com/experiments/?file=PHPFontImageGenerator .
2006-05-01 07:08:05
http://php5.kiev.ua/manual/ru/function.imagettftext.html
Автор:
Quick tip for anyone who is receiving text like in the example in this page (ie: through $_GET['text'] or something similar) and needs to format the text into multiple lines.  The trick is finding the spaces...

<?php
$text 
$_GET['text'];
// for a maximum of 38 characters on a line...
while(strlen($text) > 38) {
   
$startPoint 37;
   
// find a space to break the line on
   
while(substr($text$startPoint1) != " ") {
       
$startPoint--;
   }
   
$line[] = trim(substr($text0$startPoint));
   
$text substr($text$startPoint);
}
$line[] = trim($text);
?>

The result is an array called $line that contains all the lines of text you need to output in order.

The only tasks left are to determine the correct height of the image based on the font size you want to use.  Don't forget to leave some padding space for punctuation and descenders between lines (commas, g, q, p, y, etc).

imagettftext is unbelievably useful when you need to create header images using non-standard fonts.  Amazing.  Huge thanks to the devs.

--Julian
2006-07-18 23:48:58
http://php5.kiev.ua/manual/ru/function.imagettftext.html
Автор:
I found this line a little confusing:

"May include decimal numeric character references (of the form: &#8364;) to access characters in a font beyond position 127."

I was using a font that had apostrophes and quotes stored in a non-standard position, and so they were being rendered as spaces by imagettftext.  This line seemed to suggest a solution, but it took a while to figure it out.

Turns out, a "decimal numeric character reference" is a decimal conversion of the hex value of the *unicode* position of the character you want.  For a while I was trying ASCII positions (I knew the ALT+ code for typing the character I needed in Windows).

In the Windows XP character map, the unicode positions are shown as U+2018 or U+201C, etc.  Ignore the U+ and convert that hex number to decimal, and then stick that in your text string with the &# on the front and ; on the end, and pass it to imagettftext.

--Julian
2006-07-24 14:48:09
http://php5.kiev.ua/manual/ru/function.imagettftext.html
This one caught me out a little bit as confusing, so in an attempt to help others..

"Using the negative of a color index has the effect of turning off antialiasing."

Simply put:

<?php

$textColour 
ImageColorAllocate($image255255255);
ImageTTFText($image8000, -$textColour$font$text);

?>

Note the - (minus) before the $textColor in ImageTTFText, this creates the negative colour index, and switches off AA on text.
2006-09-28 10:54:29
http://php5.kiev.ua/manual/ru/function.imagettftext.html
Автор:
Ref: Craig at frostycoolslug dot com

"Using the negative of a color index has the effect of turning off antialiasing."

This is true, but only if the image has been created with imagecreate() (as opposed to imagecreatetruecolor())
2006-10-04 11:48:23
http://php5.kiev.ua/manual/ru/function.imagettftext.html
A centralised text watermark - of  any length, that automatically sizes to about 70% of the width, and can be rotated to any angle.

<?php
/* Get image info */
$Image = @ImageCreateFromJPEG ("YourImage.jpg") ;
$sx imagesx($Image) ;
$sy imagesy($Image) ;
if (
$WatermarkNeeded)
    {
   
/* Set text info */
   
$Text="Copyright Ben Clay" ;
   
$Font="arial.ttf" ;
   
$FontColor ImageColorAllocate ($Image,255,255,255) ;
   
$FontShadow ImageColorAllocate ($Image,0,0,0) ;
   
$Rotation 30 ;
   
/* Make a copy image */
   
$OriginalImage ImageCreateTrueColor($sx,$sy) ;
   
ImageCopy ($OriginalImage,$Image,0,0,0,0,$sx,$sy) ;
   
/* Iterate to get the size up */
   
$FontSize=;
    do
        {
       
$FontSize *= 1.1 ;
       
$Box = @ImageTTFBBox($FontSize,0,$Font,$Text);
       
$TextWidth abs($Box[4] - $Box[0]) ;
       
$TextHeight abs($Box[5] - $Box[1]) ;
        }
    while (
$TextWidth $sx*0.7) ;
   
/*  Awkward maths to get the origin of the text in the right place */ 
   
$x $sx/cos(deg2rad($Rotation))*$TextWidth/;
   
$y $sy/sin(deg2rad($Rotation))*$TextWidth/cos(deg2rad($Rotation))*$TextHeight/;
   
/* Make shadow text first followed by solid text */
   
ImageTTFText ($Image,$FontSize,$Rotation,$x+4,$y+4,$FontShadow,$Font,$Text);
   
ImageTTFText ($Image,$FontSize,$Rotation,$x,$y,$FontColor,$Font,$Text);
   
/* merge original image into version with text to show image through text */
   
ImageCopyMerge ($Image,$OriginalImage,0,0,0,0,$sx,$sy,50) ;
    }

ImageJPEG ($Image) ;
?>
2006-11-05 15:25:32
http://php5.kiev.ua/manual/ru/function.imagettftext.html
Автор:
If you want to display a list of fonts in a directory and see what they look like, you could do something like this:

<HTML><BODY>

<?php

$folder
=dir("fonts/"); //The directory where your fonts reside

while($font=$folder->read())
  {

  if(
stristr($font,'.ttf'))echo '<IMG SRC="img.php?'.substr($font,0,strpos($font,'.')).'">'//only ttf fonts

 
}

$folder->close();

?>

</BODY></HTML>

The file for 'img.php' should be something like this:

<?php

$font
=$_SERVER["QUERY_STRING"];

header("Content-type: image/png");
$im=@imagecreatetruecolor(200,30)or die("Cannot Initialize new GD image stream");

$black=imagecolorallocate($im,0,0,0);
$white=imagecolorallocate($im,255,255,255);

imagefill($im,0,0,$white);

imagettftext($im,18,0,5,25,$black,"fonts/".$font,$font);

imagepng($im);
imagedestroy($im);

?>

Something similar I implemented at http://font.beginstart.com
2006-11-26 22:01:48
http://php5.kiev.ua/manual/ru/function.imagettftext.html
I have found the kerning (spacing between letters) pretty poor with GD - it's not up to your average designer's standards. Here are some ways to improve it:
- Place the letters one by one using their bounding box instead of using one string
- adjust with a $kerning value
- For small text, sample it down from a larger size to adjust in increments less than 1px

Eg:

<?PHP

$STRING 
"NOTRE PHILOSOPHIE";

// ---- PRESETS
$FONT "CantoriaMTStd-SemiBold.otf";
$FONT_SIZE 10.5;
$WIDTH 200;
$HEIGHT 16;
$KERNING 0;
$BASELINE 12;
$BG_COLOR = array(
   
"R"=>5,
   
"G"=>45,
   
"B"=>53
);
$TXT_COLOR = array(
   
"R"=>188,
   
"G"=>189,
   
"B"=>0
);

// ---- CREATE CANVAS + PALETTE
$canvas imageCreateTrueColor($WIDTH*4,$HEIGHT*4);

$bg_color imageColorAllocate($canvas$BG_COLOR["R"], $BG_COLOR["G"], $BG_COLOR["B"]);

$txt_color imageColorAllocate($canvas$TXT_COLOR["R"], $TXT_COLOR["G"], $TXT_COLOR["B"]);

imagefill $canvas00$bg_color );

// ---- DRAW

$array str_split($STRING);
$hpos 0;

for(
$i=0$i<count($array); $i++)
{
   
$bbox imagettftext$canvas$FONT_SIZE*40$hpos$BASELINE*4$txt_color$FONT$array[$i] );
   
   
$hpos $bbox[2]+$KERNING;
}

// ---- SAMPLE DOWN & OUTPUT
$final imageCreateTrueColor($WIDTH,$HEIGHT);

imageCopyResampled$final$canvas0,0,0,0$WIDTH$HEIGHT$WIDTH*4$HEIGHT*);

header('Content-type: image/png');

imagePNG($final);

imageDestroy($canvas);
imageDestroy($final);

?>
2007-05-05 16:08:32
http://php5.kiev.ua/manual/ru/function.imagettftext.html
Roy van Arem suggested a neat code for listing TTFs on a machine. However, it has some problems (such as lower and upper case distinction of file extension and defective fonts) that I have corrected in the following script, which can be implemented as a single PHP script (name as you like):

<?php //make sure there are no blank lines above
       
$ffolder="/usr/local/bin/fonts"//The directory where your fonts reside

if (empty($_GET['f']))
{
$folder=dir($ffolder); //open directory
echo "<HTML><BODY>\n";
   
while(
$font=$folder->read())
  if(
stristr($font,'.ttf')) //only ttf fonts
       
$fonts[]=$font;
       
$folder->close();

if (!empty(
$fonts))
        {
        echo 
"<table><tr><th colspan='2'>Fonts available in $ffolder</th></tr>"
       
."\n<tr><th>Name</th><th>Appereance</th>"
       
sort($fonts);
        foreach (
$fonts as $font)
                echo 
"<tr><td>$font</td><td> <IMG src='".$_SERVER['SCRIPT_NAME'
                        .
"?f=$font'></td></tr>\n";
        }
else echo 
"No fonts found from $ffolder";
echo 
"\n</HTML></BODY>";
}

else
{
$im=@imagecreatetruecolor(200,30)
        or die(
"Cannot Initialize new GD image stream");

$black=imagecolorallocate($im,0,0,0);
$white=imagecolorallocate($im,255,255,255);

imagefill($im,0,0,$white);
imagettftext($im,14,0,5,25,$black"$ffolder/".$_GET['f'] , $_GET['f']);

header("Content-type: image/png");
header('Content-Length: ' strlen($im));

imagepng($im);
imagedestroy($im);
}
?>
2007-05-10 09:56:30
http://php5.kiev.ua/manual/ru/function.imagettftext.html
Автор:
Right align out of "webmaster at higher-designs dot com" code
<?php
$color 
imagecolorallocate($im000);
$font 'visitor.ttf';
$fontsize "12";
$fontangle "0";
$imagewidth imagesx($im);
$imageheight imagesy($im);

$text "My right align text";

$box = @imageTTFBbox($fontsize,$fontangle,$font,$text);
$textwidth abs($box[4] - $box[0]);
$textheight abs($box[5] - $box[1]);
$xcord $imagewidth - ($textwidth)-2// 2 = some space from right side.
$ycord = ($imageheight/2)+($textheight/2);

ImageTTFText ($im$fontsize$fontangle$xcord$ycord$black$font$text);
?>
2007-07-27 19:30:06
http://php5.kiev.ua/manual/ru/function.imagettftext.html
Автор:
Comment to: Sohel Taslim (03-Aug-2007 06:19)

Thanks for the function which I have modified a bit. In the new version the lines have equal space between them (the g's in your example create bigger space between the lines) - set by the parameter '$Leading'.

I have used the for-loop for better performance and slimmed the rest a little  :)

    /**
     * @name                    : makeImageF
     * 
     * Function for create image from text with selected font. Justify text in image (0-Left, 1-Right, 2-Center).
     *
     * @param String $text     : String to convert into the Image.
     * @param String $font     : Font name of the text. Kip font file in same folder.
     * @param int    $Justify  : Justify text in image (0-Left, 1-Right, 2-Center).
     * @param int    $Leading  : Space between lines.
     * @param int    $W        : Width of the Image.
     * @param int    $H        : Hight of the Image.
     * @param int    $X        : x-coordinate of the text into the image.
     * @param int    $Y        : y-coordinate of the text into the image.
     * @param int    $fsize    : Font size of text.
     * @param array  $color    : RGB color array for text color.
     * @param array  $bgcolor  : RGB color array for background.
     * 
     */
    function imagettfJustifytext($text, $font="CENTURY.TTF", $Justify=2, $Leading=0, $W=0, $H=0, $X=0, $Y=0, $fsize=12, $color=array(0x0,0x0,0x0), $bgcolor=array(0xFF,0xFF,0xFF)){
       
        $angle = 0;
        $_bx = imageTTFBbox($fsize,0,$font,$text);
        $s = split("[\n]+", $text);  // Array of lines
        $nL = count($s);  // Number of lines
        $W = ($W==0)?abs($_bx[2]-$_bx[0]):$W;    // If Width not initialized by programmer then it will detect and assign perfect width. 
        $H = ($H==0)?abs($_bx[5]-$_bx[3])+($nL>1?($nL*$Leading):0):$H;    // If Height not initialized by programmer then it will detect and assign perfect height. 
       
        $im = @imagecreate($W, $H)
            or die("Cannot Initialize new GD image stream");
       
        $background_color = imagecolorallocate($im, $bgcolor[0], $bgcolor[1], $bgcolor[2]);  // RGB color background.
        $text_color = imagecolorallocate($im, $color[0], $color[1], $color[2]); // RGB color text.
       
        if ($Justify == 0){ //Justify Left
            imagettftext($im, $fsize, $angle, $X, $fsize, $text_color, $font, $text);
        } else {
            // Create alpha-nummeric string with all international characters - both upper- and lowercase
            $alpha = range("a", "z");
            $alpha = $alpha.strtoupper($alpha).range(0, 9);
            // Use the string to determine the height of a line
            $_b = imageTTFBbox($fsize,0,$font,$alpha);
            $_H = abs($_b[5]-$_b[3]);
            $__H=0;
            for ($i=0; $i<$nL; $i++) {
                $_b = imageTTFBbox($fsize,0,$font,$s[$i]);
                $_W = abs($_b[2]-$_b[0]);
                //Defining the X coordinate.
                if ($Justify == 1) $_X = $W-$_W;  // Justify Right
                else $_X = abs($W/2)-abs($_W/2);  // Justify Center
               
                //Defining the Y coordinate.
                $__H += $_H;
                imagettftext($im, $fsize, $angle, $_X, $__H, $text_color, $font, $s[$i]);
                $__H += $Leading;
            }
        }
       
        return $im;
    }
2007-09-11 12:11:37
http://php5.kiev.ua/manual/ru/function.imagettftext.html
If you're having issues with fonts not working... (Could not find/open font) check your permissions on the folder/font files and make sure they're 775, especially if you've just pulled them from a windows box. Hope this helps!
2007-09-20 10:35:29
http://php5.kiev.ua/manual/ru/function.imagettftext.html
Автор:
I had some issues trying to get both word wrapping and new line detection but with some of the help from the comments below i got this. (thanks to jwe for the main part of the code here)

<?php
function ttfWordWrappedText($text$strlen 38) {
   
$text urldecode($text);
   
$text explode("\n"$text);
   
   
$i 0;
    foreach(
$text as $text)
    {
        while(
strlen($text) > $strlen) {
           
$startPoint $strlen 1;
           while(
substr($text$startPoint1) != " ") {
               
$startPoint--;
           }
           
$line[$i][] = trim(substr($text0$startPoint));
           
$text substr($text$startPoint);
        }
       
$line[$i][] = trim($text);
       
$i++;
    }
   
    return 
$line;
}
?>

This returns an array for each newline entered and subarray for each wordwrapped line to print.

ie.

Array
(
    [0] => Array
        (
            [0] => This is the first long line
            [1] => that i entered.
        )

    [1] => Array
        (
            [0] => And this is the new line after that.
        )
)
2007-11-07 09:31:55
http://php5.kiev.ua/manual/ru/function.imagettftext.html
Автор:
Just to comment on Sohel Taslims great function...
if anyone needs to add BACKGROUND TRANSPARENCY to this kind of function (which almost does everyone one would want already) then add 

$bg_color = imagecolorat($im,1,1);
imagecolortransparent($im, $bg_color);

ABOVE the "if($L_R_C == 0){ //Justify Left"  line
2007-11-16 06:14:40
http://php5.kiev.ua/manual/ru/function.imagettftext.html
Автор:
For those trying to disable the font smoothing or font cleartype:ing, take a look at the color parameter for this function. The correct word for what you're looking for is antialiasing.
2007-12-09 06:40:35
http://php5.kiev.ua/manual/ru/function.imagettftext.html
Small but very dangerous bug in function ttfWordWrappedText, written by waage, just try ttfWordWrappedText("aaaaa\naa",4) and your script will run into endless loop. 
You can fix it with code below:
<?php
   
function ttfWordWrappedText_fixed($text$strlen 8) {
   
$text urldecode($text);
   
$text explode("\n"$text);
   
   
$i 0;
    foreach(
$text as $text)
    {
        while(
strlen($text) > $strlen && stristr($text' ') !== FALSE) {
           
$startPoint $strlen 1;
           while(
substr($text$startPoint1) != " ") {
               
$startPoint--;
           }
           
$line[$i][] = trim(substr($text0$startPoint));
           
$text substr($text$startPoint);
        }
       
$line[$i][] = trim($text);
       
$i++;
    }
   
    return 
$line;
}
?>
better solutions is to check input text for lines longer than needed wrap point.
2007-12-24 07:46:14
http://php5.kiev.ua/manual/ru/function.imagettftext.html
Small but very dangerous bug in function ttfWordWrappedText, written by waage, just try ttfWordWrappedText("aaaaa\naa",4) and your script will run into endless loop. 
You can fix it with code below:
<?php
   
function ttfWordWrappedText_fixed($text$strlen 8) {
   
$text urldecode($text);
   
$text explode("\n"$text);
   
$i 0;
    foreach(
$text as $text)
    {
        while(
strlen($text) > $strlen  && strstr($text' ') !== FALSE) {
           
$startPoint strpos($text' ');
           
$line[$i][] =substr($text,0,$startPoint); 
           
$text trim(strstr($text' ')); 
        }
       
$line[$i][] = trim($text);
        }
       
$line[$i][] = trim($text);
       
$i++;
    }
   
    return 
$line;
}
?>
better solutions is to check input text for lines longer than needed wrap point.
2007-12-24 08:05:08
http://php5.kiev.ua/manual/ru/function.imagettftext.html
For anyone attempting to print black barcodes, and trying to turn of anti-aliasing, remember that -1 * [0,0,0] is 0, not -0.
2008-01-17 21:11:07
http://php5.kiev.ua/manual/ru/function.imagettftext.html
Sorry my English.
I have trouble with using imagettftext under Windows.
I can't used short name of fonts(example "arial","arialbd.ttf" etc). PHP say what not find this font.
Manipulation with environment GDFONTPATH lost.
This is my solution
<?php
$dir
=opendir('./font/');//directory with fonts
if($dir)
    while(
$f=readdir($dir)){
        if(
preg_match('/\.ttf$/',$f)){
           
$font=explode('.',$f);
           
define($font[0],realpath('./font/'.$f));
        }
    }
if(
$dir)
   
closedir($dir);
?>
Directory "font" have two file: arial.ttf and arialbd.ttf
Now one can using constant font name by calling imagettftext:
imagettftext($img,12,0,25,28,$color,arialbd,'some text');
2008-02-13 12:50:09
http://php5.kiev.ua/manual/ru/function.imagettftext.html
Hi All,

I struggled for moths to do a decent text warp with GD lib. Here is the code that I made use of:

<?php
//word wrap
$warpText wordwrap($text30"\n");
//display text
imagettftext($image$fontSize0$x$y$fontColor$font$warpText);
?>

Hope this helps somebody.

Cheers
2008-03-12 05:27:01
http://php5.kiev.ua/manual/ru/function.imagettftext.html
First of all, thanks sk89q for the func! it was exactly I was looking for.

I made a change. Depending on the letter, the text were incorrect vertical aligned.
I replace the line:
                $line_height = $dimensions[1] - $dimensions[7];
for the following:
                $line_height = $size+4;

No matter if mama or jeje is written, the vertical position will be the same.
2008-04-22 16:21:06
http://php5.kiev.ua/manual/ru/function.imagettftext.html
If you're looking for easy text alignment, you need to use the imagettfbbox() command. When given the correct parameters, it will return the boundaries of your to-be-made text field in an array, which will allow you to calculate the x and y coordinate that you need to use for centering or aligning your text.

A horizontal centering example:

<?php

$tb 
imagettfbbox(170'airlock.ttf''Hello world!');

?>

$tb would contain:

Array
(
    [0] => 0 // lower left X coordinate
    [1] => -1 // lower left Y coordinate
    [2] => 198 // lower right X coordinate
    [3] => -1 // lower right Y coordinate
    [4] => 198 // upper right X coordinate
    [5] => -20 // upper right Y coordinate
    [6] => 0 // upper left X coordinate
    [7] => -20 // upper left Y coordinate
)

For horizontal alignment, we need to substract the "text box's" width { $tb[2] or $tb[4] } from the image's width and then substract by two.

Saying you have a 200px wide image, you could do something like this:

<?php

$x 
ceil((200 $tb[2]) / 2); // lower left X coordinate for text
imagettftext($im170$x$y$tc'airlock.ttf''Hello world!'); // write text to image

?>

This'll give you perfect horizontal center alignment for your text, give or take 1 pixel. Have fun!
2008-05-16 13:13:34
http://php5.kiev.ua/manual/ru/function.imagettftext.html
I had an image generator where the user could position where they wanted the text to begin - however it kept going off the side of an image. So I made this basic function: it measures if the inputted text and x-position will cause the string to go off the edge, and if so, it will fit as much as it can on the first line, then go down to the next one.
Limitations:
-It only performs this once (i.e. it won't split into three lines)
-I'm pretty sure it won't work with angled text.

<?PHP

function imagettftextwrap($im$size$angle$x_pos$y_pos$color$font$instr)
{
   
$box = @imagettfbbox($size0$font$instr);
   
$width abs($box[4] - $box[0]);
   
$height abs($box[3] - $box[5]);
   
$overlap = (($x_pos $width) - imagesx($im));
    if(
$overlap 0//if the text doesn't fit on the image
   
{
       
$chars str_split($instr);
       
$str "";
       
$pstr "";
        for(
$m=0$m sizeof($chars); $m++)
        {
           
$bo imagettfbbox($fsize10$font1$str);
           
$wid abs($bo[4] - $bo[0]);
            if((
$x_pos $wid) < imagesx($im)) //add one char from the string as long as it's not overflowing
           
{
               
$pstr .= $chars[$m];
               
$bo2 imagettfbbox($fsize10$font1$pstr);
               
$wid2 abs($bo2[4] - $bo2[0]);
                if((
$x_pos $wid2) < imagesx($im))
                {
                   
$str .= $chars[$m];
                }   
                else
                {
                    break;
                }
            }
            else
            {
                break;
            }
        }
       
$restof "";
        for(
$l=$m$l sizeof($chars); $l++)
        {
           
$restof .= $chars[$l]; //add the rest of the string to a new line
       
}
       
imagettftext($im$size$angle$x_pos$y_pos$color$font$str); // print out the smaller line
       
imagettftext($im$size$angle0$y_pos $height$color$font$restof); //and the rest of it
   
}
    else
    {
       
imagettftext($im$size$angle$x_pos$y_pos$color$font$instr); //otherwise just do normally
   
}

}

?>
2008-08-07 10:31:00
http://php5.kiev.ua/manual/ru/function.imagettftext.html
Here's a simple function to wrap text going into an image. It'll wrap onto as many lines as it needs to, but $angle has to be zero. The $width parameter is the width of the image.

<?php
function wrap($fontSize$angle$fontFace$string$width){
   
   
$ret "";
   
   
$arr explode(' '$string);
   
    foreach ( 
$arr as $word ){
   
       
$teststring $ret.' '.$word;
       
$testbox imagettfbbox($fontSize$angle$fontFace$teststring);
        if ( 
$testbox[2] > $width ){
           
$ret.=($ret==""?"":"\n").$word;
        } else {
           
$ret.=($ret==""?"":' ').$word;
        }
    }
   
    return 
$ret;
}
?>
2009-03-11 08:40:44
http://php5.kiev.ua/manual/ru/function.imagettftext.html
Hi,
for the dummies (like myself) if you are having problems including your font file, prefix the file name with ./

On my development server the following worked fine
$myfont = "coolfont.ttf";

on my hosting server the only way i could get the font to work was as follows
$myfont = "./coolfont.ttf";

hope this helps someone out!
2009-04-29 08:51:22
http://php5.kiev.ua/manual/ru/function.imagettftext.html
I was having trouble trying to render non antialiased text using a pixel font. The tips about setting a negative value for the color are valid, but I was still having trouble with the text I was trying to render because it was black. I discovered that if I changed the imagecolorallocate() function from:

$color = imagecolorallocate($base, 0, 0, 0);

to 

$color = imagecolorallocate($base, 1, 1, 1); (near black)

and then used the negative value for the color in imagettftext(), it would work properly. The difference is that my first implementation set $color = 0. Obviously, you can't have $color = -0, it made no difference. When I switched to (1,1,1) it became $color = 1 which I could take a negative value for.
2009-05-22 15:50:23
http://php5.kiev.ua/manual/ru/function.imagettftext.html
Автор:
Just in case you were--like me--unaware of this, in Windows, ttf fonts don't necessarily antialias at all font sizes. Arial appears to work at all sizes but Calibri, for example, only antialiases at a point size of 8 and then at all sizes 16 and up. Not only that but at fonts sizes like 10 and 12 characters don't print at the expected angle: the characters are all printed upright on an angled baseline.
2010-03-01 01:58:00
http://php5.kiev.ua/manual/ru/function.imagettftext.html
Автор:
If you want to create a paragraph you will need to break your text up into lines and then place each line individually one below the next.

Here's a basic example of how to do that:

<?php
// Basic font settings
$font ='./times.ttf';
$font_size 15;
$font_color 0x000000

// Text to be placed as a paragraph
$text 'Lorem ipsum dolor sit amet, consectetur adipiscing elit. Integer non nunc lectus. Curabitur hendrerit bibendum enim dignissim tempus. Suspendisse non ipsum auctor metus consectetur eleifend. Fusce cursus ullamcorper sem nec ultricies. Aliquam erat volutpat. Vivamus massa justo, pharetra et sodales quis, rhoncus in ligula. Integer dolor velit, ultrices in iaculis nec, viverra ut nunc.';

// Break it up into pieces 125 characters long
$lines explode('|'wordwrap($text115'|'));

// Starting Y position
$y 513;

// Loop through the lines and place them on the image
foreach ($lines as $line)
{
   
imagettftext($image$font_size050$y$font_color$font$line);

   
// Increment Y so the next line is below the previous line
   
$y += 23;
}

?>
2010-11-01 12:17:09
http://php5.kiev.ua/manual/ru/function.imagettftext.html
For your general edification: The following drop-in function will place a block of fully justified text onto a GD image. It is a little CPU heavy, so I suggest caching the output rather than doing it on-the-fly. 

Arguments: 

$image - the GD handle of the target canvas 
$size - text size 
$angle - slope of text (does not work very well), leave at 0 for horizontal text 
$left - no. of pixels from left to start block 
$top - no. of pixels from top to start block 
$color - handle for colour (imagecolorallocate result) 
$font - path to .ttf font 
$text - the text to wrap and justify 
$max_width - the width of the text block within which the text should be wrapped and fully justified 
$minspacing - the minimum number of pixels between words 
$linespacing - a multiplier of line height (1 for normal spacing; 1.5 for line-and-a-half etc.)

eg.
$image = ImageCreateFromJPEG( "sample.jpg" );
$cor = imagecolorallocate($image, 0, 0, 0);
$font = 'arial.ttf';
$a = imagettftextjustified($image, 20, 0, 50, 50, $color, $font, "Shree", 500, $minspacing=3,$linespacing=1);
header('Content-type: image/jpeg');
imagejpeg($image,NULL,100);

function imagettftextjustified(&$image, $size, $angle, $left, $top, $color, $font, $text, $max_width, $minspacing=3,$linespacing=1)
{
$wordwidth = array();
$linewidth = array();
$linewordcount = array();
$largest_line_height = 0;
$lineno=0;
$words=explode(" ",$text);
$wln=0;
$linewidth[$lineno]=0;
$linewordcount[$lineno]=0;
foreach ($words as $word)
{
$dimensions = imagettfbbox($size, $angle, $font, $word);
$line_width = $dimensions[2] - $dimensions[0];
$line_height = $dimensions[1] - $dimensions[7];
if ($line_height>$largest_line_height) $largest_line_height=$line_height;
if (($linewidth[$lineno]+$line_width+$minspacing)>$max_width)
{
$lineno++;
$linewidth[$lineno]=0;
$linewordcount[$lineno]=0;
$wln=0;
}
$linewidth[$lineno]+=$line_width+$minspacing;
$wordwidth[$lineno][$wln]=$line_width;
$wordtext[$lineno][$wln]=$word;
$linewordcount[$lineno]++;
$wln++;
}
for ($ln=0;$ln<=$lineno;$ln++)
{
$slack=$max_width-$linewidth[$ln];
if (($linewordcount[$ln]>1)&&($ln!=$lineno)) $spacing=($slack/($linewordcount[$ln]-1));
else $spacing=$minspacing;
$x=0;
for ($w=0;$w<$linewordcount[$ln];$w++)
{
imagettftext($image, $size, $angle, $left + intval($x), $top + $largest_line_height + ($largest_line_height * $ln * $linespacing), $color, $font, $wordtext[$ln][$w]);
$x+=$wordwidth[$ln][$w]+$spacing+$minspacing;
}
}
return true;
}
2013-10-30 12:46:40
http://php5.kiev.ua/manual/ru/function.imagettftext.html
Another way to wrap and center using wordwrap and learning the number of lines in the result of that wordwrap

<?php

$text
="privet privet privet privet privet privet2 privet2 privet2 privet2 privet2 privet3";
$text=wordwrap($text35"\n"TRUE);

//setting the image header in order to proper display the image
header("Content-Type: image/png");
//try to create an image
$im = @imagecreate(460215)
    or die(
"Cannot Initialize new GD image stream");
//set the background color of the image
$background_color imagecolorallocate($im0x000x000x00);
//set the color for the text
$text_color imagecolorallocate($im0xFF0xFF0xFF);
//adf the string to the image

$font "verdana.ttf";
$font_size 20;
$angle 0;

$splittext explode "\n" $text );
$lines count($splittext);

foreach (
$splittext as $text) {
   
$text_box imagettfbbox($font_size,$angle,$font,$text);
   
$text_width abs(max($text_box[2], $text_box[4]));
   
$text_height abs(max($text_box[5], $text_box[7]));
   
$x = (imagesx($im) - $text_width)/2;
   
$y = ((imagesy($im) + $text_height)/2)-($lines-2)*$text_height;
   
$lines=$lines-1;
   
imagettftext($im$font_size$angle$x$y$text_color$font$text);
}

imagepng($im);
imagedestroy($im);
?>
2015-05-02 17:15:52
http://php5.kiev.ua/manual/ru/function.imagettftext.html
for windows you can use this code thanks to Ohmycode 
 the link of his solution : https://ohmycode.wordpress.com/2008/09/20/imagettftext-gdfontpath-et-ttf-sous-windows/
<?php

$font 
realpath(".")."\\arial.ttf";
 

$black imagecolorallocate($im000);
 

$im imagecreatetruecolor(40030);
 

imagettftext($im2001020$black$font"coucou");
?>
2021-04-24 18:49:30
http://php5.kiev.ua/manual/ru/function.imagettftext.html

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