<?php
/**
* Outputs a Banner...to enhance page look & layout.
*
* With this action a banner can be generated with set-able size, background color, font size & font.
*
* Requires GD2 on the server

* @author GmBowen (http://wikka.jsnx.com/GmBowen) (with help from JavaWoman), licensed under GPL
* Use is {{banner text="Sample Text" [color="blue"] [size="20"] [font = "1"]}}
* Parameters in square brackets are optional....defaults to blue, 8 point, verdana
* Available colors are blue, red, purple, yellow, green, grey, white
* TTF Fonts must be obtained & uploaded by administrator & placed in a directory "fonts" in the actions directory
*/

// set up variables
$site_base = $this->GetConfigValue("base_url");

// Below line might need to be modified to whatever is appropriate for your installation .... 'wikka.php?wakka='
if ( substr_count($site_base, 'wakka.php?wakka=') > 0 ) $site_base = substr($site_base,0,-16);
$generator = $site_base."actions/bannergenerator.php?";
$buttoncolor = $color;

// Set below fonts to those present in fonts directory (which the admin makes in the actions directory)
// Set the first font to that which you wish to be your default if a font isn't specified
// The administrator can add as many different fonts as they wish
if(!$font) {$font = "1";}
if ($font == "1"){$font = "verdana.ttf";}
if ($font == "2"){$font = "toby.ttf";}
if ($font == "3"){$font = "times.ttf";}
if ($font == "4"){$font = "vera.ttf";}
if ($font == "5"){$font = "oldeng.ttf";}
if ($font == "6"){$font = "courierbld.ttf";}

// create img tag
echo '<img src="'.$generator.'buttoncolor='.$buttoncolor.'&amp;font_size='.$size.'&amp;font_file='.$font.'&amp;text='.$text.'" alt="'.$text.'" border="0" />';
?>

<?
// Adapted from a script provided at http://www.geek247.net/ and originally written by
// William Magliano. Modified by GMBowen 2005 for inclusion in Wikka Wiki. Released under GPL.
// Script REQUIRES GD2 on the server

$font_file = "./fonts/$font_file";
$defaultFontSize = 12;

if(!$font_size)// If no font size has been passed default to 8pt.
{
    $font_size = $defaultFontSize;
}

$angle = 0;

$defaultColor = "blue";

if(!$buttoncolor)//If no Button color is passed make it Blue.
{
    $buttoncolor = $defaultColor;  
}

$y_start = $font_size*1.5;
$x_start = 5;
$double_text = $text;
$height = $font_size*2;

$bounding_box = imagettfbbox($font_size, 0, $font_file, $text);
$max_width = $bounding_box[2] - $bounding_box[0]+12;

// Create image and allocate colors
$im = imagecreate(($max_width+2), /*15*/$height);
$matte = imagecolorallocate($im, 153, 153, 153);

if($buttoncolor == "blue")
{  
    $outline = imagecolorallocate($im, 0, 105, 179);// dark
    $shadow = imagecolorallocate($im, 113, 196, 240);// light
    $background = imagecolorallocate($im, 153, 176, 200);//lighter - brighter
    $hilite = imagecolorallocate($im, 240, 243, 247);//lightest
   
}
if($buttoncolor == "red")
{  
    $outline = imagecolorallocate($im, 255,0,0);// dark
    $shadow = imagecolorallocate($im,255,51,51);// light
    $background = imagecolorallocate($im,  255,102,102);//lighter - brighter
    $hilite = imagecolorallocate($im, 255,204,204);//lightest
}
if($buttoncolor == "purple")
{  
    $outline = imagecolorallocate($im, 255,0,255);// dark
    $shadow = imagecolorallocate($im,255,51,255);// light
    $background = imagecolorallocate($im,  255,102,255);//lighter - brighter
    $hilite = imagecolorallocate($im, 255,204,255);//lightest
}
if($buttoncolor == "yellow")
{  
    $outline = imagecolorallocate($im, 153,153,51);// dark
    $shadow = imagecolorallocate($im,204,204,102);// light
    $background = imagecolorallocate($im,255,255,102);//lighter - brighter
    $hilite = imagecolorallocate($im, 255,255,204);//lightest
}
if($buttoncolor == "green")
{  
    $outline = imagecolorallocate($im, 0,153,0);// dark
    $shadow = imagecolorallocate($im,0,204,0);// light
    $background = imagecolorallocate($im,102,204,102);//lighter - brighter
    $hilite = imagecolorallocate($im, 204,255,204);//lightest
}
if($buttoncolor == "grey")
{  
    $outline = imagecolorallocate($im, 102,102,102);// dark
    $shadow = imagecolorallocate($im,153,153,153);// light
    $background = imagecolorallocate($im,204,204,204);//lighter - brighter
    $hilite = imagecolorallocate($im, 255,255,255);//lightest
}

if($buttoncolor == "white")
{  
    $outline = imagecolorallocate($im, 255,255,255);// dark
    $shadow = imagecolorallocate($im,255,255,255);// light
    $background = imagecolorallocate($im,255,255,255);//lighter - brighter
    $hilite = imagecolorallocate($im, 255,255,255);//lightest
}

$text_color = imagecolorallocate($im, 0, 0, 0);


imagefilledrectangle($im, 1, 1, $max_width, ($height-2), $background);
imageline($im, 0, 1, 0, ($height-2), $outline);
imageline($im, 1, 0, $max_width, 0, $outline);
imageline($im, ($max_width+1), 1, ($max_width+1), ($height-2), $outline);
imageline($im, 1, ($height-1), $max_width, ($height-1), $outline);
imageline($im, 2, 1, ($max_width-1), 1, $hilite);
imageline($im, $max_width, 2, $max_width, ($height-3), $hilite);
imageline($im, 1, 1, 1, ($height-3), $shadow);
imageline($im, 2, ($height-2), $max_width, ($height-2), $shadow);

// Position the text
$line_width = imagettfbbox($font_size, 0, $font_file, $text);
$horz_pos = (($max_width - $line_width[2] - $line_width[0]) / 2);

// Write the text to the image
imagettftext($im, $font_size, $angle, $x_start, $y_start, $text_color, $font_file, $double_text);

// Display and destroy the image
header("Content-type:image/png");
imagepng($im);
imagedestroy($im);
?>