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pic.php
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<?php
$version = '0.9.5';
/*
:!: utf-8 (no bom); unix linefeeds; text: monaco/ProFont 9pt, 4 spaces/tab :!:
:!: this file does _not_ need to be world-writable (chmod 755-ish) :!:
picsig
Picscoin dynamic sig file generator thing
this program creates a dynamic "now playing" type signature image that can be used in forums,
emails, etc.
For full documentation, tips, tricks, feedback, latest downloads, etc, go here..
http://picscoins.org
copyright Picscoin 2018 ->
*/
/*
global preferences..
*/
/*
security
rudimentary security measures..
you don't want some twat posting "alternative" information to your sig
*/
$password = 'PASSWORD(or client code)';
/* ini file..
[default: $data_file = 'data/pic.ini';]
location, relative to pic.php, or else specify the *full* valid full path.
the data file needs to be "world writable" (though windows servers won't care much)
or at least, writable by the server process. in *nix: chmod 777 /path/to/pic.ini */
$data_file = 'data/pic.ini'; // or call it whatever you like
/*
schemes..
[default: $schemes_dir = 'schemes';]
*/
// name of the folder you keep your picsig schemes in (relative to pic.php)..
$schemes_dir = 'schemes';
// which scheme to use?..
// note: you don't need to enter the '.scheme' (extension) part of the name.
//$scheme_file = 'spidey';
//$scheme_file = 'simple';
$scheme_file = 'standard';
/*
random scheme..
[default: $random_schemes = false;]
picsig can randomly pick a scheme for you. this makes things interesting.
remember to test your schemes first.
http://domain.com/path/to/pic.php/spidey.jpg etc.
to disable a particular scheme from loading, change its extension, i.e. "standard._scheme"
or else remove it from your schemes folder! "test.scheme" (or even "my-cool-test.scheme")
will *not* appear in random results, which is handy if you are testing stuff, and prevents
it becoming your 'public' sig. For this to work, you'll need to also set a $favourite_scheme.
*/
$random_schemes = false;
/*
favourite scheme
[default: $favourite_scheme = 'spidey';]
this scheme will be *much* more likely to appear..
enter an empty value (or commant out) if you don't have a favourite. */
$favourite_scheme = 'imac-girl';
// random factor. [a number, from 1 - (no. of schemes)]
// the higher you go, the more likely it is your favourite scheme will appear.
// default: $r_factor = 3;
$r_factor = 3;
// a simple text file to count the number of times your picsig has been viewed
// [default: $counter_file = 'data/counter';]
$counter_file = 'data/counter';
/*
override
two values can be overridden by the incoming request, if you wish.
to specify a particular scheme and output image format, use..
[img]http://mydomain.com/path/to/pic.php/hal.png[/img]
which would, unsurprisingly, get you the 'hal' scheme, in 'png' format.
this is handy if you normally set your picsig to random, but always want
to show a particular scheme on a particular forum. perhaps something
related to the forum, I dunno, maybe special email picsig scheme.
it's a cool feature anyway.
*/
$allow_override = true;
// display song rating? (does nothing yet, just thinking about this)
$rating = false;
/*
end global prefs
*/
// init..
$self = $_SERVER['PHP_SELF'];
$root = $_SERVER['DOCUMENT_ROOT'];
if (!is_numeric($r_factor) or $r_factor == 0) $r_factor = 3;
if (isset($scheme_file)) { $scheme_file = $schemes_dir.'/'.$scheme_file.'.scheme'; }
// get the time()..
$time = explode(' ',microtime());
$time = $time[1]; settype($time,'int'); // one second accuracy!
/*
request was an HTTP POST, so we go into data collecting mode..
*/
if (isset($_POST['pass'])) { // collect data..
if ($_POST['pass'] == $password) {
$data = '';// grab old ini data..
$config = read_ini($data_file);
/*
"NowPlaying" compatibility layer! */
if (isset($_POST['Filename1'])) {
// altering the _POST array directly is evil, but we're gonna do it anyway..
if (isset($_POST['Playing'])) {
if ($_POST['Playing'] == '1') { $_POST['playing'] = 'playing'; }
if ($_POST['Playing'] == '0') { $_POST['playing'] = 'stopped'; }
unset ($_POST['Playing']); // we keep 'playing'
}
$_POST['title'] = $_POST['Artist1'].' - '.$_POST['Title1'];
$_POST['album'] = $_POST['Album1'];
$lenny = explode(':',$_POST['Length1']);
$_POST['length'] = (60 * $lenny[0]) + $lenny[1];
// delete all *****1 type keys..
foreach ($_POST as $i => $pval) {
// they forgot to set NowPlaying history to '1', the default is '2'.
if (strstr($i, '1') or strstr($i, '2')) unset($_POST[$i]);
}
}
/*
check for any changes..
*/
// uptime sync ..[uTu]..
if (isset($_POST['uptime'])) {
$config['uptime_diff'] = ($time - $_POST['uptime']);
}
// update "last played"..
if (isset($_POST['title'])) {
if (stripslashes($_POST['title']) != @$config['title']) {
$config['last_played'] = $config['title'];
}
}
// paused or stopped play..
if (isset($_POST['playing'])) {
$_POST['playing'] = strtolower($_POST['playing']);
if ($_POST['playing'] == 'paused' or $_POST['playing'] == 'stopped') {
if (($config['playing'] != 'paused') and ($config['playing'] != 'stopped')) {
$config['static_bar'] = $time;
} else { $config['static_bar'] = $config['started'] + @$_POST['pos']; }
}
// you pressed play!
if ($_POST['playing'] == 'playing') {
unset($config['static_bar']);
// shift "started at" to a new time
$config['started'] = $time - (@$_POST['pos']);
if (!isset($_POST['album']) and !isset($_POST['dir'])) {
$config['album'] = $config['dir'] = 'album unknown';
}
}
}
if (!isset($config['status']) and !isset($_POST['status'])) {
$config['status'] = 'no status given';
}
// merge the old and new settings and data..
$config = array_merge($config, $_POST);
// write out our "ini" file..
write_ini($data_file,$config);
} else { die ('YOU HAVE NOT TEH AUTHORITEE!'); }
} elseif (isset($_GET['version'])) { die ("picsig v$version"); } else {
/*
or else generate an image from the current data set..
*/
// random scheme?..
if (isset($random_schemes) and $random_schemes) {
// go into the dir and scan..
if ($dir_handle = opendir($schemes_dir)) {
$schemes_pool = array();
$i = 0;
while (($file = readdir($dir_handle)) !== false) {
if ((ord($file) != 46) and (substr(strrchr($file, "."), 1) == 'scheme')) {
$schemes_pool[$i] = $schemes_dir.'/'.$file;
$i++;
}
}
closedir($dir_handle);
$pool_count = count($schemes_pool);
}
// favourite scheme?
if (isset($favourite_scheme)) {
if ($favourite_scheme != '') {
$pool = rand(0, ($pool_count * 2) - ($pool_count / $r_factor));
if ($pool > ($pool_count - 1)) {
$scheme_file = $schemes_dir.'/'.$favourite_scheme.'.scheme';
} else {
$scheme_file = $schemes_pool[$pool];
}
if (strstr($scheme_file, 'test.scheme')) {
$scheme_file = $schemes_dir.'/'.$favourite_scheme.'.scheme';
}
} else {
$scheme_file = $schemes_pool[rand(0, (count($schemes_pool) - 1))];
}
}
}
// specified scheme in the URL?..
if ($allow_override and isset($_SERVER['PATH_INFO'])) {
$p_nfo = explode('/', $_SERVER['PATH_INFO']);
$o_scheme = substr($p_nfo[count($p_nfo) - 1], 0, strpos($p_nfo[count($p_nfo) - 1], "."));
if (file_exists($schemes_dir.'/'.$o_scheme.'.scheme')) {
$scheme_file = $schemes_dir.'/'.$o_scheme.'.scheme'; }
} else { $allow_override = false; }
// include the scheme now..
if (isset($scheme_file) and file_exists('./'.$scheme_file)) {
include ('./'.$scheme_file);
} else { die ("scheme file not found. sorree."); }
// override output format?..
if ($allow_override) {
$get_format = substr(strrchr($p_nfo[count($p_nfo) - 1], "."), 1);
if (($get_format == 'jpg') or ($get_format == 'jpeg')) { $output_format = 'jpg'; }
elseif ($get_format == 'png') { $output_format = 'png'; }
elseif ($get_format == 'gif') { $output_format = 'gif'; }
}
/*
check scheme preferences, insert defaults if need be..
*/
if (!isset($fields[1]['id'])) $fields[1]['id'] = 'playing';
if (!isset($fields[2]['id'])) $fields[2]['id'] = 'status';
if (!isset($fields[3]['id'])) $fields[3]['id'] = 'title';
if (!isset($fields[4]['id'])) $fields[4]['id'] = 'album';
if (!isset($status_affixes)) $status_affixes = array('[', ']');
if (!isset($playing_string)) $playing_string = 'now playing..';
if (!isset($stopped_string)) $stopped_string = 'last played..';
if (!isset($truecolor)) $truecolor = false;
if (!isset($q)) $q = 100;
if (!isset($output_format)) $output_format = 'png';
if (!isset($interlace)) $interlace = false;
if (!isset($reduce)) $reduce = false;
if (!isset($greyscale)) $greyscale = false;
if (!isset($gamma)) $gamma = '1.0';
if (!isset($r_balance)) $r_balance = 0;
if (!isset($g_balance)) $g_balance = 0;
if (!isset($b_balance)) $b_balance = 0;
if (isset($do_col_bg)) $color_layer = $do_col_bg; // depricated!
if (!isset($color_layer)) $color_layer = true;
if ((!isset($img_width) or !isset($img_height)) and (!isset($image_file))) { $img_width = 350; $img_height = 80; }
if (!isset($merge_images)) $merge_images = false;
if (!isset($pre_merge)) $pre_merge = true;
if (!isset($transparency)) $transparency = 50;
if (!isset($merge_x)) $merge_x = 0;
if (!isset($merge_y)) $merge_y = 0;
if (!isset($mx_nudge)) $mx_nudge = 0;
if (!isset($my_nudge)) $my_nudge = 0;
if (!isset($border)) $border = 1;
if (!isset($target_color)) $target_color = '#f0ff32';
if (!isset($variation)) $variation = 15;
if (!isset($do_frame)) $do_frame = true;
if (!isset($font_size)) $font_size = 2;
if (!isset($ttf)) $ttf = false;
if (!isset($ttf_size)) $ttf_size = '9';
if (!isset($bold)) $bold = false;
if (!isset($align)) $align = 'center';
if (!isset($antialiasing)) $antialiasing = true;
if (!isset($trim_adjust)) $trim_adjust = 0;
if (!isset($auto_shrink)) $auto_shrink = true;
if (!isset($field[1]['em'])) $field[1]['em'] = 1;
if (!isset($leading)) $leading = 1;
if (!isset($nudge)) $nudge = 0;
if (!isset($push)) $push = 6;
if (!isset($skew)) $skew = 0;
if (!isset($field[2]['fp'])) $field[2]['fp'] = -1;
if (!isset($do_bargraph)) $do_bargraph = true;
if (!isset($thickness)) $thickness = 14;
if (!isset($squeeze)) $squeeze = 0;
if (!isset($xnudge)) $xnudge = 0;
if (!isset($ynudge)) $ynudge = 0;
if (!isset($do_btxt)) $do_btxt = true;
if (!isset($btxt_trans)) $btxt_trans = false;
if (!isset($btxt_size)) $btxt_size = 1;
if (!isset($btxt_valign)) $btxt_valign = 'middle';
if (!isset($do_browser_info)) $do_browser_info = true;
if (!isset($ip_string)) $ip_string = 'your ip is.. ';
if (!isset($percent_string)) $percent_string = '';
if (!isset($use_themes)) $use_themes = true;
if (!isset($calc_red)) $calc_red = '255-(($i/2)/255)';
if (!isset($calc_green)) $calc_green = '255-($i/2)';
if (!isset($calc_blue)) $calc_blue = '($i/2)-255';
if (!isset($lf)) $lf = 1;
if (!isset($termination)) $termination = 1;
if (!isset($bar_frame)) $bar_frame = 0;
if (!isset($bar_trans)) $bar_trans = 0;
if (!isset($rating)) $rating = false;
if (($ttf) and (!isset($font_face))) { $ttf = false; }
// what were they thinking!
// old version schemes..
if (isset($center)) $align = 'center';
//digest the ini..
$config = read_ini($data_file);
//foreach ($config as $key => $value) {
// $$key = $value;// ooh! clever!
//} // i find it clearer and quicker to work with $status, than $config['status'], see.
// this creates lots of "interesting" security holes.
// increment the view counter..
if (is_writable($counter_file)) {
$count = implode('', file($counter_file));
$count++;
$file_handle = fopen($counter_file, 'w+');
fwrite($file_handle, $count);
fclose($file_handle);
} else { $count = '[no file]'; }
// are we paused or stopped?
if ($config['playing'] == 'stopped') {
$header = $stopped_string;
} else {
// how spidey's eyes light up if you are listening to a song..
$me_paths = pathinfo($self);
if (isset($image_file)) {
if (stristr($me_paths['dirname'], 'pic.php')) { // if you append /spidey.png, everything moves..
$me_paths['dirname'] = substr($me_paths['dirname'], 0, strrpos($me_paths['dirname'],'/'));
} // generally speaking, it's a bad idea to alter this directly, but hey!
$foo = str_replace($me_paths['dirname'], '', $image_file);
$playing_img = $root.$me_paths['dirname'].'/'.substr($foo, 0, strpos($foo, ".")).'_play.png';
if (file_exists($playing_img)) { $image_file = $playing_img; }
}
$header = $playing_string;
}
// prepare the colours..
$target_color = hex2dec($target_color);
$red_limit = $target_color[0];
$green_limit = $target_color[1];
$blue_limit = $target_color[2];
// randomise..
$variation = array(0, $variation);
$red_level = rand($variation[0], $variation[1]);
$green_level = rand($variation[0], $variation[1]);
$blue_level = rand($variation[0], $variation[1]);
$red_value = abs($red_limit-$red_level);
$green_value = abs($green_limit-$green_level);
$blue_value = abs($blue_limit-$blue_level);
/*
create the base image
I fancy doing a plug-in API for this. hmm.
*/
if (isset($image_file)) {
$img2 = imagecreatefrompng($image_file);
imagesavealpha ($img2, true);
$img_width2 = imagesx($img2);
$img_height2 = imagesy($img2);
if (!isset($img_width) or !isset($img_height)) {
$img_width = $img_width2;
$img_height = $img_height2;
}
}
if ($color_layer) {
if ($truecolor) {
$img = imagecreatetruecolor($img_width, $img_height);
} else {
$img = imagecreate($img_width, $img_height);
}
if (isset($img2)) {
// smaller size has been specified, need to crop..
if (($img_width != $img_width2) or ($img_height != $img_height2)) {
$t_img = imagecreatefrompng($image_file);
imagecopy($img2, $t_img, $mx_nudge, $my_nudge, $merge_x, $merge_y, $img_width, $img_height);
imagedestroy ($t_img);
} else {
imagecopy($img2, $img2, $mx_nudge, $my_nudge, $merge_x, $merge_y, $img_width, $img_height);
}
}
} else {
if (isset($img2)) {
$img = $img2;
//imagedestroy($img_b); // amazingly, this destroys $img! erm. hello!
unset($img2); // no merging possible now.
}
}
if (!isset($img)) { die ("no image has been specified!"); }
$img_width = imagesx($img);
$img_height = imagesy($img);
// setup transparent background..
if (isset($trans_color)) { // you can still set this, though it is depricated.
$trans_color = hex2dec($trans_color);
$t_bg = imagecolorallocate($img, $trans_color[0], $trans_color[1], $trans_color[2]);
imagecolortransparent($img, $t_bg);
}
// add our randomised color layer, inside the frame..
if ($color_layer) {
if ($do_frame == true) { $bf = $border; } else { $bf = 0; }
$bg = imagecolorallocate($img, $red_value, $green_value ,$blue_value);
imagefilledrectangle($img, $bf, $bf, $img_width-$bf-1, $img_height-$bf-1, $bg);
}
// create frame colour..
if (isset($frame_color)) {
$frame_color = hex2dec($frame_color);
$frame = imagecolorallocate($img, $frame_color[0], $frame_color[1], $frame_color[2]);
} else {
$frame = imagecolorallocate($img, $red_level, $green_level, $blue_level);
}
// draw the frame..
if ($do_frame == true) {
for ($i = 0; $i < $border; $i++) {
$points = array($i, $i, $img_width-1-$i, $i, $img_width-1-$i, $img_height-1-$i, $i, $img_height-1-$i);
imagepolygon ($img, $points, 4, $frame);
}
}
// allocate the text colors (early, to avoid obliteration!)
if (isset($text_color)) { $text_color = hex2dec($text_color); }
else { $text_color = array(255 - $red_value, 255 - $green_value, 255 - $blue_value); }
$text_color = imagecolorallocate($img, $text_color[0], $text_color[1], $text_color[2]);
if (isset($btxt_color) and !$btxt_trans) {
$btxt_color = hex2dec($btxt_color);
$btxt_color = imagecolorallocate($img, $btxt_color[0], $btxt_color[1], $btxt_color[2]);
} else { $btxt_color = $text_color; }
if ($btxt_trans) { $btxt_color = imagecolorallocate($img, $red_value, $green_value ,$blue_value); }
/*
prepare the text fields..
*/
// no album name? let's create it from the folder name..
if ($config['album'] == '') { $config['album'] = $config['dir']; } // or..
if ($config['album'] == '' and ($config['length'] == 0 or $config['length'] = $config['pos'])) $config['album'] = 'Internet Audio Stream';
// run through the fields one-at-a-time, select the data type and format as we go..
foreach ($fields as $key => $value) {
// if you want to add new data types, this is where to do it..
switch ($value['id']) {
case 'playing':
$fields[$key]['txt'] = $header;
break;
case 'status':
$fields[$key]['txt'] = $status_affixes[0].$config['status'].$status_affixes[1];
break;
case 'title':
$fields[$key]['txt'] = $config['title'];
break;
case 'artist':
$fields[$key]['txt'] = $config['artist'];
break;
case 'album':
$fields[$key]['txt'] = $config['album'];
break;
case 'last':
$fields[$key]['txt'] = 'last played: '.$config['last_played'];
break;
case 'uptime':
$fields[$key]['txt'] = 'uptime: '.calc_uptime($config['uptime_diff']);
break;
case 'counter':
$fields[$key]['txt'] = 'This picsig has been viewed '.$count.' times.';
break;
case 'custom':
if (isset($config['custom']) and $config['custom'] != '') {
$fields[$key]['txt'] = $config['custom'];
} else { $fields[$key]['txt'] = 'custom text not available!'; }
break;
case 'custom2':
if (isset($config['custom2']) and $config['custom2'] != '') {
$fields[$key]['txt'] = $config['custom2'];
} else { $fields[$key]['txt'] = 'custom text not available!'; }
break;
case 'custom3':
if (isset($config['custom3']) and $config['custom3'] != '') {
$fields[$key]['txt'] = $config['custom3'];
} else { $fields[$key]['txt'] = 'custom text not available!'; }
break;
// add more data types here.
default: // blank lines
$fields[$key]['txt'] = ' ';
$fields[$key]['id'] = 'blank';
break;
}
// per-line user overrides..
// add the 'extra' field user prefs..
if (isset($field[$key]['em'])) { $fields[$key]['em'] = $field[$key]['em'];} else { $fields[$key]['em'] = 0; }
if (isset($field[$key]['fp'])) $fields[$key]['fp'] = $field[$key]['fp']; else { $fields[$key]['fp'] = 0; }
// alignment (individual lines can be overridden) ..
$fields[$key]['align'] = $align;
if (isset($field[$key]['align'])) $fields[$key]['align'] = $field[$key]['align'];
// we could theoretically allow any override, the mechanism is already in place.
/*
calculate sizes for this line of text (and trim, if necessary) ..
*/
if ($ttf) { // truetypes..
$alloc_width = $img_width - (2 * $nudge) - (2 * $border) - $trim_adjust;
$bx = imagettfbbox($ttf_size + $fields[$key]['em'], $skew, $font_face, '|'.$fields[$key]['txt']);
$txt_width = abs($bx[0]) + abs($bx[2]);
// oversized text fields..
if (($txt_width) >= $alloc_width) {
if ($auto_shrink) {
//$trim_adjust = 0;
while ($txt_width >= $alloc_width) {
$fields[$key]['em']--;
$bx = imagettfbbox($ttf_size + $fields[$key]['em'],
$skew, $font_face, '|'.$fields[$key]['txt']);
$txt_width = abs($bx[0]) + abs($bx[2]);
}
} else {
$fields[$key]['txt'] = substr($fields[$key]['txt'], 0,
round(strlen($fields[$key]['txt'])
- ( ($txt_width - $alloc_width) / ($txt_width / strlen($fields[$key]['txt'])) )
- $trim_adjust, 2)).'...';
}
// everything has changed now, do it again! (the '|' is to vsize 'blank' lines)
$bx = imagettfbbox($ttf_size + $fields[$key]['em'], $skew, $font_face, '|'.$fields[$key]['txt']);
$txt_width = abs($bx[0]) + abs($bx[2]);
}
// work out the x factor..
if ($fields[$key]['align'] == 'center') {
$fields[$key]['x'] = ((($img_width - (2 * $border)) - $txt_width) / 2) + $nudge + $border;
} elseif ($fields[$key]['align'] == 'right') {
$fields[$key]['x'] = $img_width - $border - $txt_width + $nudge;
} else {
$fields[$key]['x'] = $border + (2 * $nudge);
}
$fields[$key]['y'] = abs($bx[1]) + abs($bx[7]);
} else { // GD built-in font..
// constants..
$halfway = ($img_width / 2) + $nudge;
$chr_width = imagefontwidth($font_size + $fields[$key]['em']);
$trim = ($img_width - (2 * $border) - $squeeze + $trim_adjust) / $chr_width;
// for some reason, it's NOT possible to add an "…" (ellipsis). damn!
if (strlen($fields[$key]['txt']) > $trim) {
$fields[$key]['txt'] = substr($fields[$key]['txt'], 0, $trim - 3).'...';
}
$string_width = strlen($fields[$key]['txt']) * $chr_width;
if ($fields[$key]['align'] == 'center') {
$fields[$key]['x'] = $halfway - ($string_width / 2);
} elseif ($fields[$key]['align'] == 'right') {
$fields[$key]['x'] = $img_width - $border - $string_width + $nudge;
} else {
$fields[$key]['x'] = 2 * $nudge + $border;
}
}
} // end foreach()
// we'll lay down the text after the bar-graph..
// pre-merge (for saturation)
if ($merge_images and isset($img2) and $pre_merge) {
imagecopymerge($img, $img2, 0, 0, 0, 0, $img_width, $img_height, $transparency);
}
/*
the gradient bar-graph
the funkiest coolest neatest thing in the known universe, bar, erm..
*/
if ($do_bargraph) {
// subtle 3D effect on termination, etc..
if ($thickness == 'fill') { $thickness = $img_height-(2 * $border); $shadadd = 0; } else { $shadadd = 1; }
if ($termination > 1) { $shadadd = 0; }
// are we paused or stopped..
if (isset($config['static_bar'])) { $played = $config['static_bar'] - $config['started'];
} else { $played = $time - $config['started']; }
if ($config['length'] > 0) { $percent_done = floor(($played / $config['length']) * 100); } else { $percent_done = 0; }
if ($percent_done > 100) $percent_done = 100; // *shouldn't* happen
// for the displayed text
if ($do_btxt) { $percent = $percent_string.$percent_done.'%';
} else { $percent = ''; }
// total length of the bar
$bar_len = ($percent_done / 100) * ($img_width - $border - $squeeze);
if ($bar_len > 0) { if ($truecolor) { $img3 = imagecreatetruecolor($bar_len, $thickness); }
else { $img3 = imagecreate($bar_len, $thickness); }
}
if (isset($img3)) {
if ($use_themes) { @do_theme($theme); } // @ in case they forget to actually specify a theme
// create the gradient effect..
for ($i = 1; $i <= $bar_len; $i++) {
eval("\$r = $calc_red;"); eval("\$g = $calc_green;"); eval("\$b = $calc_blue;");
$fill = imagecolorallocate($img3, $r, $g, $b);
imagefilledrectangle($img3, $i, 0, $i, $thickness - 1, $fill);
}
// vertical line at the end of the bar-graph (very important!)
if ($termination) {
if (!isset($term_color)) {
$term_color = $frame_color;
} else {
$term_color = hex2dec($term_color);
}
$term_color = imagecolorallocate($img, $term_color[0], $term_color[1], $term_color[2]);
imagefilledrectangle($img3,
$bar_len - $termination, $shadadd, $bar_len, $thickness - 1, $term_color);
}
// a border around the progress bar?
if ($bar_frame) {
for ($i=0; $i<$bar_frame; $i++) {
imagerectangle ($img3, $i + 1, $i, $bar_len - $i, $thickness - $i -1, $frame);
}
}
// lay the progress bar down onto the image..
imagecopymerge($img, $img3, $border + ($squeeze / 2) + $xnudge,
$img_height - $border - $thickness + $ynudge, 1, 0, $bar_len -1, $thickness, 100 - $bar_trans);
}
// vertical alignment of the progress bar text .. (no ttfs here)
$bar_txt_fsize = imagefontheight($btxt_size);
switch($btxt_valign) {
case 'top':
$vpos = ($img_height - (2 * $border) - $thickness) + ($bar_txt_fsize / 2);
break;
case 'bottom':
$vpos = ($img_height - $border) - ($bar_txt_fsize + 2);
break;
default: // middle (easiest to misspell!)
$vpos = ($img_height - $thickness) + ($thickness / 2) - ($bar_txt_fsize / 2) - $border;
break;
}
}
// merge the images
// all text will go on after this..
if ($merge_images and isset($img2)) {
imagecopymerge($img, $img2, 0, 0, 0, 0, $img_width, $img_height, $transparency);
imagedestroy($img2);
}
// progress bar text..
if ($do_bargraph) {
if ($do_btxt) {
$b_string = $percent;
if ($do_browser_info) { $b_string = $ip_string.$_SERVER['REMOTE_ADDR'].' '.$b_string; }
} else { $b_string = ''; }
if ($percent_done == 100 or isset($_GET['credit'])) { $b_string = $config['copyright'].' '.$b_string; }
// come on, credit where it's due.. (this only shows at exactly 100%)
$str_length = imagefontwidth($btxt_size) * strlen($b_string);
if ($str_length > $bar_len - 2) {
$bar_limit = (floor($bar_len) / imagefontwidth($btxt_size));
if (!$squeeze) $sq = 1; else $sq = abs($squeeze);
if (!$xnudge) $nud = $sq; else $nud = abs($xnudge);
$bar_limit = floor(abs($bar_limit - ( (floor($sq / $nud)) / imagefontwidth($btxt_size))) - 1 );
if ($bar_limit > 0 ) { $b_string = substr($b_string, - $bar_limit); } else { $b_string = ''; }
}
imagestring ($img, $btxt_size,
$bar_len - (imagefontwidth($btxt_size) * strlen($b_string)) + ($xnudge + ($squeeze / 2.05)) - 4,
$vpos + $ynudge, $b_string, $btxt_color);
}
/*
your bar-graph is complete!
*/
/*
finally, lay down the text fields..
we do it last so it's always on top
*/
$txt_height = imagefontheight($font_size);
if ($ttf) {
$tpush = $push;
if ($antialiasing != true) { $text_color = -$text_color; }
}
$ttfh=$border;
$push -= $txt_height;
//settype($bold, 'int');
foreach ($fields as $key => $value) {
$bl = (int) $bold;
if ($key == 1) { $ld = 0; } else { $ld = $leading; } // no leading on first row
if ($ttf) {
do {
imagettftext($img, $ttf_size + $fields[$key]['em'], $skew, $fields[$key]['x'] + $bl,
$tpush + $ld + $ttfh + $fields[$key]['y'] + $fields[$key]['fp'] - $key,
$text_color, $font_face, $fields[$key]['txt']);
$bl--;
} while ($bl >= 0);
if ($skew != 0) {
$ttfh += $fields[$key]['y'] + ($skew * ($fields[$key]['y'] / $skew)) + $leading; // what!?!
// if anyone desperately needs, or better still, works this out, get in touch!
} else { $ttfh += $fields[$key]['y'] + $ld; }
} else { // gd built-in font..
do {
imagestring ($img, $font_size + $fields[$key]['em'], $fields[$key]['x'] + $bl,
$push + $fields[$key]['fp'] + (($txt_height + $ld) * $key - $fields[$key]['em']),
$fields[$key]['txt'], $text_color);
$bl--;
} while ($bl >= 0);
}
}
output_image($img);
}
/*
fin
*/
/*
finally, send our image to the browser..
*/
function output_image($img) {
global $gamma, $greyscale, $interlace, $output_format, $q, $reduce, $r_balance, $g_balance, $b_balance;
// Bael discovered some funky extra headers..
Header('Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0');
Header('Expires: Tue, 01 Apr 1970 00:00:00 GMT');
Header('Pragma: no-cache');
if ($greyscale == true) {
$img = make_greyscale($img, $r_balance, $g_balance, $b_balance);
}
if (($gamma) != '1.0' ) { // probably make reduce only
$img = adjust_gamma($img, $gamma);
}
if ($interlace) imageinterlace($img, 1);
if ($output_format == 'png') {
// this tells the browser to interpret whatever comes next as an image.
if ($reduce) { $img = reduce_img($img, 256); }
header('Content-type: image/png');
imagepng($img,"",$q); // the actual image is created HERE, and sent to browser.
} else if ($output_format == 'jpg'){
header('Content-type: image/jpeg');
imagejpeg($img,"",$q);
} else if ($output_format == 'gif'){
$img = reduce_img($img, 256);
header('Content-type: image/gif');
imagegif ($img,"",$q);
}// you MUST destroy the image afterwards, to free-up the server's memory..
imagedestroy($img);
die();
}
// reduce to a pallette..
function reduce_img($img, $colors) {
global $trans_color;
// create a temporary truecolor image..
$width = imagesx($img);
$height = imagesy($img);
$t_img = imagecreatetruecolor($width, $height);
imagecopymerge($t_img, $img, 0, 0, 0, 0, $width, $height, 100);
// convert original image to paletted image..
imagetruecolortopalette($img, true, $colors);
// match color palette with original
imagecolormatch($t_img, $img);
// get the top-left pixel color, make transparent..
$t_color = imagecolorat($img, 1, 1);
imagedestroy($t_img);
imagecolortransparent ($img, $t_color);
return $img;
}/*
end function reduce_img() */
/*
make a greyscale image (8 bit) */
function make_greyscale($img, $r_bal, $g_bal, $b_bal) {
global $width, $height;
$width = imagesx($img);
$height = imagesy($img);
$t_img = imagecreate($width, $height);
for ($idx = 0; $idx < 256; $idx++) {
// loop the colours.
$r = $idx + $r_bal; $g = $idx + $g_bal; $b = $idx + $b_bal;
if ($r < 0 ) { $r = 0 - $r; } elseif ($r > 256 ) { $r = $r - 256; }
if ($g < 0 ) { $g = 0 - $g; } elseif ($g > 256 ) { $g = $g - 256; }
if ($b < 0 ) { $b = 0 - $b; } elseif ($b > 256 ) { $b = $b - 256; }
imagecolorallocate($t_img, $r, $g, $b);
}
imagecopymerge($t_img, $img, 0, 0, 0, 0, $width, $height, 100);
$t_color = imagecolorat($t_img, 0, 0);
imagecolortransparent ($t_img, $t_color);
// imagecolormatch($img, $t_img);
imagedestroy($img);
return ($t_img);
}
/*
end function make_greyscale() */
/*
gamma adjustmentment
really long-winded, but sadly necessary, afaik.
altering image gamma destroys the alpha layer, so we attempt to
get back some transparency, but it still looks like 8 bit, reduce!
*/
function adjust_gamma($img, $gamma) {
global $width, $height;
// fix the gamma
$gamma = (double) $gamma;
imagegammacorrect($img, 1.0, $gamma);
// create temporary image..
$width = imagesx($img);
$height = imagesy($img);
$t_img = imagecreatetruecolor($width, $height);
$t_color = imagecolorallocatealpha($t_img, 0, 0, 0, 127);// pointless!
// merge the two images..
imagecopymerge($t_img, $img, 0, 0, 0, 0, $width, $height, 100);
// where's the alpha channel? pfff..
imagecolortransparent ($t_img, $t_color);
imagedestroy($img);
return $t_img;
}/*
end function gamma adjustment() */
/*