PHP Classes

File: example.php

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  Classes of Lisa Milne   Image Class   example.php   Download  
File: example.php
Role: Example script
Content type: text/plain
Description: Example Usage
Class: Image Class
Create and manipulate images
Author: By
Last change:
Date: 14 years ago
Size: 1,389 bytes
 

Contents

Class file image Download
<?php

/* example usage of Image class */
include 'image.class.php';

/* if the file already exists just open it rather than regenerate it */
if (file_exists('myimage.png')) {
   
$img = new Image('myimage.png');
}else{
   
/* create a new image 600 pixels wide by 400 pixels high */
   
$img = new Image(false,600,400);

   
/* set the brush colors */
    /* black background */
   
$img->set_bgcolor(0,0,0);
   
/* red foreground */
   
$img->set_fgcolor(255,0,0);

   
/* fill the image with the back groundcolour */
   
$img->fill('bg');

   
/* draw a line diagonally across the image */
   
$img->draw_line(0,0,600,400);

   
/* change the foreground color to green */
   
$img->set_fgcolor(0,255,0);

   
/*
     * draw a filled rectangle at 100 pixels from the top and left
     * with a width of 200 pixels and a height of 50 pixels
     * at a 20 degree angle
     */
   
$img->draw_rect(100,100,200,50,20);

   
/* set a thicker brush width */
   
$img->set_brush_width(10);

   
/* draw a new line crossing the first one */
   
$img->draw_line(600,0,0,400);

   
/* apply a blue transparent filter to the image */
   
$img->filter_colorize(0,0,255,64);

   
/* add a gaussian blur */
   
$img->filter_gaussianblur();

   
/* and lower the brightness */
   
$img->filter_brightness(50);

   
/* save the image to file for reuse */
   
$img->save('myimage.png');
}

/* and output to the browser */
$img->output();

?>