mirror of https://github.com/avecms/AVE.cms.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
43 lines
1.3 KiB
43 lines
1.3 KiB
7 years ago
|
<?
|
||
|
|
|
||
|
|
# preparing PNG fonts to use with KCAPTCHA.
|
||
|
|
# reads files from folder "../fonts0", scans for symbols ans spaces and writes new font file with cached symbols positions to filder "../fonts"
|
||
|
|
|
||
|
|
# comment or remove next line for using (commented for security reason):
|
||
|
|
//exit();
|
||
|
|
|
||
|
|
if ($handle = opendir('../fonts0')) {
|
||
|
|
while (false !== ($file = readdir($handle))) {
|
||
|
|
if ($file == "." || $file == "..") {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
$img=imagecreatefrompng('../fonts0/'.$file);
|
||
|
|
imageAlphaBlending($img, false);
|
||
|
|
imageSaveAlpha($img, true);
|
||
|
|
$transparent=imagecolorallocatealpha($img,255,255,255,127);
|
||
|
|
$white=imagecolorallocate($img,255,255,255);
|
||
|
|
$black=imagecolorallocate($img,0,0,0);
|
||
|
|
$gray=imagecolorallocate($img,100,100,100);
|
||
|
|
|
||
|
|
for($x=0;$x<imagesx($img);$x++){
|
||
|
|
$space=true;
|
||
|
|
$column_opacity=0;
|
||
|
|
for($y=1;$y<imagesy($img);$y++){
|
||
|
|
$rgb = ImageColorAt($img, $x, $y);
|
||
|
|
$opacity=$rgb>>24;
|
||
|
|
if($opacity!=127){
|
||
|
|
$space=false;
|
||
|
|
}
|
||
|
|
$column_opacity+=127-$opacity;
|
||
|
|
}
|
||
|
|
if(!$space){
|
||
|
|
imageline($img,$x,0,$x,0,$column_opacity<200?$gray:$black);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
imagepng($img,'../fonts/'.$file);
|
||
|
|
}
|
||
|
|
closedir($handle);
|
||
|
|
}
|
||
|
|
?>
|