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 <?php

/**
* 
* PHP Default Font Image Pluggable Set 
*
* Copyright (C) 2006 Matsuda Shota
* http://sgssweb.com/
* admin@sgssweb.com
*
* ------------------------------------------------------------------------
*
*/



require_once 'package.fig.php';




class DefaultFontImagePluggableSet
    extends GMIPluggableSet
{
    var $defaultVariables = array(
        "text" => null,
        "size" => null,
        "font" => null,
        "color" => "0x000000",
        "alpha" => "100",
        "leading" => "{size}",
        "padding" => 0,
        "width" => null,
        "height" => null,
        "align" => "left",
        "valign" => "middle",
        "bgcolor" => "0xffffff",
        "bgtrans" => "true",
        "blank" => false,
        "bgimage" => null,
        "antialias" => 4,
        "type" => "gif",
        "palette" => null,
        "quality" => 100,
        "file" => null
    );
    
    function DefaultFontImagePluggableSet() {
        parent::GMIPluggableSet();
    }
    
    function getExpression() {
        
        $vars = $this->getVariables();
        
        if (isset($vars['exec'])) {
            return $vars['exec'];
        }
        
        // text drawing
        if ($vars['text'] !== null && $vars['font'] !== null && $vars['size'] !== null) {
            $font = "font {font:{font},{size},{leading}};";
        
            if ($vars['width'] !== null && $vars['height'] !== null) {
                $string = "string {text},0,0,{width},{height},{align},{valign};";
                $autoResize = "autoresize width;";
            }
            else if ($vars['width'] !== null) {
                $string = "string {text},0,0,{width},{align};";
                $autoResize = "autoresize both;";
            }
            else {
                $string = "string {text},0,0,{align};";
                $autoResize = "autoresize both;";
            }
        }
        else {
            $font = "";
            $string = "";
        }
        
        // background image drawing
        if ($vars['bgimage'] !== null) {
            $pattern = "pattern {image:{bgimage}};";
        }
        else {
            $pattern = "";
        }
        
        // foreground color
        if (preg_match('/^\s*\{\s*\w+\:.*\}\s*$/', $vars['color'])) {
            $foreground = "color {color};";
        }
        else {
            $foreground = "color {color:{color},{alpha}};";
        }
        
        // background color
        if (preg_match('/^\s*\{\s*\w+\:.*\}\s*$/', $vars['bgcolor'])) {
            $background = "color {bgcolor};";
        }
        else {
            $background = "color {color:{bgcolor}};";
        }
        
        // image type selection
        switch ($vars['type']) {
            case "jpeg":
                $type = "type {type},{quality};";
                break;
        
        
            case "png":
                if ($vars['palette'] === null) {
                    $type = "type {type};";
                    
                    if ($vars['blank']) {
                        $type .= "$background blank;";
                    }
                }
                else {
                    if ($vars['bgtrans'] == 'false') {
                        $type = "type {type},{palette};";
                    }
                    else {
                        $type = "type {type},{palette},{color:{bgcolor}};";
                    }
                }
                break;
            
            case "gif":
            default:
                if ($vars['palette'] === null) {
                    $vars['palette'] = 255;
                }
                if ($vars['bgtrans'] == 'false') {
                    $type = "type {type},{palette};";
                }
                else {
                    $type = "type {type},{palette},{color:{bgcolor}};";
                }
        }
        
        // file output
        if ($vars['file'] !== null) {
            $file = "file {file};";
        }
        else {
            $file = "";
        }

        return "size {width},{height}; $autoResize $type $file padding {padding}; $background fill; $pattern $foreground antialias {antialias}; $font $string";
    }
    
    function getVariables() {
        return array_merge($this->defaultVariables, $_GET);
    }
}



// remove slashes inserted by "magic quotes"
if (get_magic_quotes_gpc()) {
    $_GET = array_map("strip_text_slashes", $_GET);
    $_POST = array_map("strip_text_slashes", $_POST);
    $_COOKIE = array_map("strip_text_slashes", $_COOKIE);
}
function strip_text_slashes($arg) {
    if(!is_array($arg)) {
        $arg = stripslashes($arg);
    }
    else if (is_array($arg)) {
        $arg = array_map("strip_text_slashes", $arg);
    }
    return $arg;
}



$pluggableSet = new DefaultFontImagePluggableSet();

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


?>