PHP Classes

File: example.php

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  Classes of Ming Choi   Image Fit Text Class   example.php   Download  
File: example.php
Role: Example script
Content type: text/plain
Description: example
Class: Image Fit Text Class
Adjust font size to fit a text in a limited area
Author: By
Last change:
Date: 11 years ago
Size: 2,993 bytes
 

Contents

Class file image Download
<?php
// Image Fit Text Class 0.1 by ming0070913
// Example File
include "imagefittext.class.php";

// Settings :
// The text
$text = "PHP is a widely-used general-purpose scripting language that is especially suited for Web development and can be embedded into HTML. If you are new to PHP and want to get some idea of how it works, try the introductory tutorial. After that, check out the online manual.";
// The maximun width
$width = 200;
// The maximun height
$height = 100;
// Position of the text and the box
$x1 = 50;
$y1 = 50;
// The starting font size
$fontsize = 10;
// The minimun font size. The script will stop if it cannot fit the text even with this size.
$min_fontsize = 3;
// The minimun wrap length for each line. The script will try another font size if it cannot fit the text even with this wrap length.
$min_wraplength = 0;
// The font
$font = "arial.ttf";
// The space between the box and the text. It's independent to the script which can be ignored
$padding = 3;
// If the script cannot fit the text for certain wrap length, it will try the wrap length again with the reduction in this value.
// It reduce the accuracy, but will slightly speed up the process.
$step_wrap = 1;
// If the script cannot fit the text for certain font size, it will try the the font size again with the reduction in this value.
// It reduce the accuracy, but will slightly speed up the process.
$step_fontsize = 1;

// Create a image
$im = @imagecreatetruecolor($width+$x1*2, $height+$y1*2+80) or die('Cannot Initialize new GD image stream');

// Start the timer
$time_start = microtime_float();
// The class
$imagefittext = new ImageFitText($font, $step_wrap, $step_fontsize);
// Fit the text
// It returns the result in a array with "fontsize", "text", "width", "height"
$fit = $imagefittext->fit($width-$padding*2, $height-$padding*2, $text, $fontsize, $min_fontsize, $min_wraplength);
// Stop the timer
$time = round(microtime_float()-$time_start, 3);

$white = imagecolorallocate($im, 255, 255, 255);
// Draw a box
imagerectangle($im, $x1, $y1, $x1+$width, $y1+$height, $white);
// Write the text +8 because the text will move up originally
imagettftext($im, $fit['fontsize'], 0, $x1+$padding, $y1+$padding+8, $white, $font, $fit['text']);

// Print some info. about the text
imagestring($im, 5, $x1, $y1+$height+30, 'Fontsize : '.$fit['fontsize'], $white);
imagestring($im, 5, $x1, $y1+$height+45, 'Text Size : '.$fit['width']."x".$fit['height'], $white);
imagestring($im, 5, $x1, $y1+$height+60, 'Box Size : '.($width-$padding*2)."x".($height-$padding*2), $white);
imagestring($im, 5, $x1, $y1+$height+75, 'Time used : '.$time.'s', $white);

// Print the image
header ('Content-Type: image/png');
imagepng($im);
imagedestroy($im);

function
microtime_float(){ // Timer
   
list($usec, $sec) = explode(" ", microtime());
    return ((float)
$usec + (float)$sec);
}
?>