mirror of
https://github.com/VTECRM/vtenext.git
synced 2026-02-26 16:18:47 +00:00
129 lines
3.7 KiB
PHP
129 lines
3.7 KiB
PHP
<?php
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/*************************************
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* SPDX-FileCopyrightText: 2009-2020 Vtenext S.r.l. <info@vtenext.com>
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* SPDX-License-Identifier: AGPL-3.0-only
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************************************/
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// TTF Font names
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DEFINE("FF_COURIER",'Courier New');
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DEFINE("FF_VERDANA",'Verdana');
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DEFINE("FF_TIMES",'Times New Roman');
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DEFINE("FF_COMIC",'Comic');
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DEFINE("FF_ARIAL",'Arial');
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DEFINE("FF_GEORGIA",'Georgia');
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DEFINE("FF_TREBUCHE",'Trebuc');
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DEFINE("FF_DEJAVUSAN",'DejaVuSans');
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// Chinese font
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DEFINE("FF_SIMSUN",'Simsun');
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DEFINE("FF_CHINESE",'Chinese');
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DEFINE("FF_BIG5",'Big5');
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DEFINE("FF_FONT1",'Vera');
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/**This function is used to get the font name when a language code is given
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* Param $locale - language code
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* Return type string - font name
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*/
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function calculate_font_name($locale)
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{
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global $log;
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$log->debug("Entering calculate_font_name(".$locale.") method ...");
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switch($locale)
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{
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case 'cn_zh':
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$log->debug("Exiting calculate_font_name method ...");
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return FF_SIMSUN;
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case 'tw_zh':
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if(!function_exists('iconv')){
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echo " Unable to display traditional Chinese on the graphs.<BR>The function iconv does not exists please read more about <a href='http://us4.php.net/iconv'>iconv here</a><BR>";
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$log->debug("Exiting calculate_font_name method ...");
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return FF_DEJAVUSAN;
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}
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else
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{
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$log->debug("Exiting calculate_font_name method ...");
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return FF_CHINESE;
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}
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default:
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$log->debug("Exiting calculate_font_name method ...");
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return FF_DEJAVUSAN;
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}
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$log->debug("Exiting calculate_font_name method ...");
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return FF_DEJAVUSAN;
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}
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/**This function is used to generate the n colors.
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* Param $count - number of colors to generate
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* Param $start - value of first color
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* Param $step - color increment to apply
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* Return type array - array of n colors values
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*/
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function color_generator($count = 1, $start = '33CCFF', $step = '221133')
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{
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global $log;
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$log->debug("Entering color_generator(".$count.",".$start.",".$step.") method ...");
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// explode color strings to RGB array
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if($start{0} == "#") $start = substr($start,1);
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if($step{0} == "#") $step = substr($step,1);
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// pad shorter strings with 0
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$start = substr($start."000000",0,6);
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$step = substr($step."000000",0,6);
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$colors = array(hexdec(substr($start,0,2)),hexdec(substr($start,2,2)),hexdec(substr($start,4,2)));
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$steps = array(hexdec(substr($step,0,2)),hexdec(substr($step,2,2)),hexdec(substr($step,4,2)));
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// buils $count colours adding $step to $start
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$result = array();
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for($i=1; $i<=$count; $i++){
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array_push($result,"#".dechex($colors[0]).dechex($colors[1]).dechex($colors[2]));
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for($j=0; $j<3; $j++) {
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$colors[$j] += $steps[$j];
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if($colors[$j] > 0xFF) $colors[$j] -= 0xFF;
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}
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}
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$log->debug("Exiting color_generator method ...");
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return $result;
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}
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/**This function is used to define the optimum spacin for tick marks on an axis
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* Param $max - maximum value of axis
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* Return type array - array of 2 values major and minor spacing
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*/
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function get_tickspacing($max = 10)
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{
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global $log,$app_strings;
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$log->debug("Entering get_tickspacing(".$max.") method ...");
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$result = array(1,1);
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// normalize $max to get value between 1 and 10
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$coef = pow(10,floor(log10($max)));
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if($coef == 0)
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{
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$data=0;
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echo "<h3>".$app_strings['NO_DATA_AVAILABLE_WITH_SPECIFIED_PERIOD']."</h3>";
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$log->debug("Exiting get_tickspacing method ...");
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return $data;
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}
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$normalized = $max / $coef;
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if($normalized < 1.5){
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$result[0] = 0.2;
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$result[1] = 0.1;
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}
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elseif($normalized < 5){
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$result[0] = 0.5;
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$result[1] = 0.1;
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}
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elseif($normalized < 10){
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$result[0] = 1.0;
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$result[1] = 0.5;
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}
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$result[0] *= $coef;
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$result[1] *= $coef;
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$log->debug("Exiting get_tickspacing method ...");
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return $result;
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} |