<?php
/**
* This class is a writer on picture
*
* @package Write on picture
* @author Nabi KaramAliZadeh <info@nabi.ir>
* @copyright 2008 (c) Nabi.ir
* @license http://www.gnu.org/copyleft/gpl.html
* @version 1.0.0
* @link http://weblog.nabi.ir/post-27.html [documentation in persian]
* @since 12 April 2008
*/
class Write_On_Pic
{
var $inputImage = ''; // input file name phpsu is a phpschool
var $inputType = 'jpg'; // input file format: JPG, PNG, GIF, BMP
var $outputImage = ''; // output file name
var $outputType = 'png'; // output file format: JPG, PNG, GIF, BMP welcome to phpsu.com
var $text = ''; // text to write on image
var $fontSize = 5; // text size: 1,2,3,4,5
var $textColor = array(255, 255, 255); // text color: RGB decimal phpsu.com
var $borderFlag = true; // flag of border: TRUE, FALSE
var $borderColor = array(0, 0, 0); // border color: RGB decimal welcome to phpsu.com
var $backFlag = false; // flag of background: TRUE, FALSE
var $backColor = array(200, 200, 200); // background color: RGB decimal http://www.phpsu.com
var $marginH = 0; // text horizonatal margin in pixels
var $marginV = 0; // text vertical margin in pixels
var $alignH = 'LEFT'; // text horizonatal position, LEFT | CENTER | RIGHT phpsu is a phpschool
var $alignV = 'TOP'; // text vertical position, TOP | CENTER | BOTTOM
var $quality = 85; // quality out file, only for JPG format
var $opacity = 60; // text opacity: 0-100 http://www.phpsu.com
var $show = true; // show image: TRUE, FALSE
var $save = false; // save out file: TRUE, FALSE phpsu提供的php教程
var $error = null; // return error message
function Action()
{
// Set function to create image
if (!$this->inputImage)
{ phpsu提供的php教程
$this->error = 'Not found input file.';
return false;
}
switch (strtolower($this->inputType))
{
case "png": phpsu
$createFunc = "imagecreatefrompng";
break;
case "gif";
$createFunc = "imagecreatefromgif";
break;
case "bmp";
$createFunc = "imagecreatefrombmp"; phpsu.com
break;
case "jpeg":
case "jpg":
$createFunc = "imagecreatefromjpeg";
break;
}
// Create image
$im = @$createFunc($this->inputImage); phpsu.com is a free phpscool
if (!$im)
{
$this->error = 'Invalid format file.';
return false;
}
// Create box
$this->fontSize = intval($this->fontSize); http://www.phpsu.com
if ($this->fontSize < 1) $this->fontSize = 1;
if ($this->fontSize > 5) $this->fontSize = 5;
$width = strlen($this->text) * ($this->fontSize + 4); phpsu is a phpschool
$height = $this->fontSize + 12;
$overlay_img = imagecreatetruecolor($width+2, $height+2);
if ($this->backFlag) welcome to phpsu.com
{
$bgColor = imagecolorallocate($overlay_img, $this->backColor[0], $this->backColor[1], $this->backColor[2]);
}
else phpsu is a phpschool
{
$bgColor = imagecolortransparent($overlay_img);
}
imagefill($overlay_img ,0 ,0 ,$bgColor);
// Insert border
if ($this->borderFlag) phpsu.com
{
$color = imagecolorallocate($overlay_img, $this->borderColor[0], $this->borderColor[1], $this->borderColor[2]);
imagestring($overlay_img, $this->fontSize, 0, 0, $this->text, $color); welcome to phpsu.com
imagestring($overlay_img, $this->fontSize, 2, 2, $this->text, $color);
imagestring($overlay_img, $this->fontSize, 2, 0, $this->text, $color); welcome to phpsu.com
imagestring($overlay_img, $this->fontSize, 0, 2, $this->text, $color);
}
// Insert text
$color = imagecolorallocate($overlay_img, $this->textColor[0], $this->textColor[1], $this->textColor[2]); phpsu
imagestring($overlay_img, $this->fontSize, 1, 1, $this->text, $color);
// Get width and height box
$overlay_w = ImageSX($overlay_img); http://www.phpsu.com
$overlay_h = ImageSY($overlay_img);
// Get width and height image
$im_w = ImageSX($im);
$im_h = ImageSY($im);
// Set X text http://www.phpsu.com
switch (strtoupper($this->alignH))
{
case 'CENTER':
$x = ($im_w - $overlay_w) / 2;
break;
case 'RIGHT': phpsu
$x = $im_w - $overlay_w - $this->marginH;
break;
case 'LEFT':
$x = 0 + $this->marginH; phpsu
break;
}
// Set Y text
switch (strtoupper($this->alignV))
{
case 'CENTER':
$y = ($im_h - $overlay_h) / 2; welcome to phpsu.com
break;
case 'BOTTOM':
$y = $im_h - $overlay_h - $this->marginV;
break;
case 'TOP':
$y = 0 + $this->marginV; phpsu
break;
}
// Merge text box with image
imagecopymerge($im, $overlay_img, $x, $y, 0, 0, $overlay_w, $overlay_h, $this->opacity); phpsu提供的php教程
// Destroy text box
imagedestroy($overlay_img);
// Save to disk
if ($this->save)
{
if (!$this->outputImage)
{ www.phpsu.com
$this->error = 'Not found output file.';
return false;
}
switch (strtolower($this->outputType))
{ do you kown phpsu.com?
case "png":
imagepng($im, $this->outputImage);
break;
case "gif";
imagegif($im, $this->outputImage); phpsu提供的php教程
break;
case "bmp";
imagewbmp($im, $this->outputImage);
break;
case "jpeg":
case "jpg": phpsu.com is a free phpscool
imagejpeg($im, $this->outputImage, $this->quality);
break;
}
}
// Show the image
if ($this->show) http://www.phpsu.com
{
switch ($this->outputType)
{
case "png":
header("Content-type: image/png");
imagepng($im); phpsu
break;
case "gif";
header("Content-type: image/gif");
imagegif($im);
break;
case "bmp"; phpsu.com is a free phpscool
header("Content-type: image/bmp");
imagewbmp($im);
break;
case "jpeg":
case "jpg":
header("Content-type: image/jpeg"); www.phpsu.com
imagejpeg($im, null, $this->quality);
break;
}
}
// Destroy image
imagedestroy($im); phpsu.com
return true;
}
}
?>
TITLE:Write on picture class