if($_GET["theme"] != "") {
$iconName = $_GET["theme"] . ".png";
}
elseif($_GET["layer"] != "") {
$iconName = $_GET["layer"] . ".png";
}
elseif($_GET["icon"] != "") {
$iconName = $_GET["icon"] . ".png";
}
if(! file_exists($iconDirectoryPath . $iconName)) {
$iconName = "proto.png";
}
if($_GET["fill"] != "") {
$fill = hex2int($_GET["fill"]);
}
// Compute the dark and light shades
/*$darkBorder['r'] = $fill['r'] - $step;
if($darkBorderBorder['r'] < 0){
$darkBorder['r'] = 0;
}
$darkBorder['g'] = $fill['g'] - $step;
if($darkBorderBorder['g'] < 0){
$darkBorder['g'] = 0;
}
$darkBorder['b'] = $fill['b'] - $step;
if($darkBorderBorder['b'] < 0){
$darkBorder['b'] = 0;
}*/
function grad($im, $width, $height, $step, $basewidth, $baseheight, $end, $base)
{
// from http://usalug.com/phpBB3//viewtopic.php?p=58019
// $im is passed as @$im for the image to draw it on
// $height is the Height of the box to draw
// $width is the width of the box to draw
// $step is the steps to take, a step of 10 would change the colour every 10 pixels
// $baseheight is where to place the bottom of the rectangle
// $basewidth is the right side of the location for the rectangle
// $base is the start colour in hex (ffffff)
// $end is the colour to end at in hex (000000)
// Break colours into RGB components
//sscanf($base, "%2x%2x%2x", $rbase, $gbase, $bbase);
//sscanf($end, "%2x%2x%2x", $rend, $gend, $bend);
$basecolors = hex2int($base);
$rbase = $basecolors["r"];
$gbase = $basecolors["g"];
$bbase = $basecolors["b"];
$endcolors = hex2int($end);
$rend = $endcolors["r"];
$gend = $endcolors["g"];
$bend = $endcolors["b"];
////////////////////////////////////////////////////
// This color retrieval broken on server. replace with hex2int
////////////////////////////////////////////////////
// Set the Variable to step to use height
//$varstep=$height;
$varstep = $width;
// Remove potential divide by 0 errors.
if ($rbase == $rend) {
$rend = $rend - 1;
}
if ($gbase == $gend) {
$gend = $gend - 1;
}
if ($bbase == $bend) {
$bend = $bend - 1;
}
// Make sure the height is at least 1 pixel
if ($varstep == 0) {
$varstep = 1;
}
// Set up step modifiers for each colour
$rmod = ($rend - $rbase) / $varstep;
$gmod = ($gend - $gbase) / $varstep;
$bmod = ($bend - $bbase) / $varstep;
// Serves no real purpose.
$white = imagecolorallocate($im, 255, 255, 255);
// Loop for the height at a rate equal to the steps.
for ($i = 1; $i < $varstep; $i = $i + $step + 1) {
//Adjust the colours
$clour1 = $i * $rmod + $rbase;
$clour2 = $i * $gmod + $gbase;
$clour3 = $i * $bmod + $bbase;
$col = imagecolorallocate($im, $clour1, $clour2, $clour3);
//Paint the rectangle at current colour.
//imagefilledrectangle ( resource $image, int $x1, int $y1, int $x2, int $y2, int $color )
//This was breaking online because numbers out of range were being passed because I did a hacky job modifying this from vert to horiz originally. Fixed -gmm 092807
$x1 = $basewidth - $i - 1;
$y1 = $baseheight - $height;
$x2 = $basewidth - $i + $step - 1;
$y2 = $baseheight;
imagefilledrectangle($im, $x1, $y1, $x2, $y2, $col);
}
// Return the image
return $im;
}
