note 101537 modified in function.imagettfbbox by danbrown
| From: | danbrown@php.net | Date: | Thu, 23 Dec 2010 13:39:12 +0000 |
| Subject: | note 101537 modified in function.imagettfbbox by danbrown | ||
| References: | 1 | Groups: | php.notes |
| Request: | Send a blank email to php-notes+get-175165@lists.php.net to get a copy of this message | ||
measure bg image size, wrap text to fit image width
<?php
$mx = imagesx($main_img);
$my = imagesy($main_img);
//TEXT VARS/////////
$main_text = ;
$main_text_size = ;
$main_text_x = ($mx/2);
$main_text_color = imagecolorallocate($main_img, $main_text_red, $main_text_green, $main_text_blue);
$words = explode(' ', $main_text);
$lines = array($words[0]);
$currentLine = 0;
for($i = 1; $i < count($words); $i++)
{
$lineSize = imagettfbbox($main_text_size, 0, $mt_f, $lines[$currentLine] . ' ' .
$words[$i]);
if($lineSize[2] - $lineSize[0] < $mx)
{
$lines[$currentLine] .= ' ' . $words[$i];
}
else
{
$currentLine++;
$lines[$currentLine] = $words[$i];
}
}
$line_count = 1;
// Loop through the lines and place them on the image
foreach ($lines as $line)
{
$line_box = imagettfbbox($main_text_size, 0, $mt_f, "$line");
$line_width = $line_box[0]+$line_box[2];
$line_height = $line_box[1]-$line_box[7];
$line_margin = ($mx-$line_width)/2;
$line_y = (($line_height+12) * $line_count);
imagettftext($main_img, $main_t_s, 0, $line_margin, $line_y, $main_text_color, $mt_f, $line);
// Increment Y so the next line is below the previous line
$line_count ++;
}
?>
--was--
//measure bg image size, wrap text to fit image width
$mx = imagesx($main_img);
$my = imagesy($main_img);
//TEXT VARS/////////
$main_text = ;
$main_text_size = ;
$main_text_x = ($mx/2);
$main_text_color = imagecolorallocate($main_img, $main_text_red, $main_text_green, $main_text_blue);
$words = explode(' ', $main_text);
$lines = array($words[0]);
$currentLine = 0;
for($i = 1; $i < count($words); $i++)
{
$lineSize = imagettfbbox($main_text_size, 0, $mt_f, $lines[$currentLine] . ' ' .
$words[$i]);
if($lineSize[2] - $lineSize[0] < $mx)
{
$lines[$currentLine] .= ' ' . $words[$i];
}
else
{
$currentLine++;
$lines[$currentLine] = $words[$i];
}
}
$line_count = 1;
// Loop through the lines and place them on the image
foreach ($lines as $line)
{
$line_box = imagettfbbox($main_text_size, 0, $mt_f, "$line");
$line_width = $line_box[0]+$line_box[2];
$line_height = $line_box[1]-$line_box[7];
$line_margin = ($mx-$line_width)/2;
$line_y = (($line_height+12) * $line_count);
imagettftext($main_img, $main_t_s, 0, $line_margin, $line_y, $main_text_color, $mt_f, $line);
// Increment Y so the next line is below the previous line
$line_count ++;
}
http://php.net/manual/en/function.imagettfbbox.php