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336 lines
12 KiB
PHP
336 lines
12 KiB
PHP
<?php
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/**
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* jpgraph_led.php
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*
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* -Description-
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* @package LibreNMS
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* @link http://librenms.org
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* @copyright 2016 Tony Murray
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* @author Tony Murray <murraytony@gmail.com>
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*/
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//=======================================================================
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// File: JPGRAPH_LED.PHP
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// Description: Module to generate Dotted LED-like digits
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// Created: 2006-11-26
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// Ver: $Id: jpgraph_led.php 1674 2009-07-22 19:42:23Z ljp $
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//
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// Copyright 2006 (c) Aditus Consulting. All rights reserved.
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//
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// Changed: 2007-08-06 by Alexander Kurochkin (inspector@list.ru)
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//========================================================================
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// Constants for color schema
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DEFINE('LEDC_RED', 0);
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DEFINE('LEDC_GREEN', 1);
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DEFINE('LEDC_BLUE', 2);
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DEFINE('LEDC_YELLOW', 3);
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DEFINE('LEDC_GRAY', 4);
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DEFINE('LEDC_CHOCOLATE', 5);
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DEFINE('LEDC_PERU', 6);
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DEFINE('LEDC_GOLDENROD', 7);
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DEFINE('LEDC_KHAKI', 8);
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DEFINE('LEDC_OLIVE', 9);
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DEFINE('LEDC_LIMEGREEN', 10);
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DEFINE('LEDC_FORESTGREEN', 11);
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DEFINE('LEDC_TEAL', 12);
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DEFINE('LEDC_STEELBLUE', 13);
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DEFINE('LEDC_NAVY', 14);
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DEFINE('LEDC_INVERTGRAY', 15);
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// Check that mb_strlen() is available
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if( ! function_exists('mb_strlen') ) {
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JpGraphError::RaiseL(25500);
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//'Multibyte strings must be enabled in the PHP installation in order to run the LED module
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// so that the function mb_strlen() is available. See PHP documentation for more information.'
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}
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//========================================================================
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// CLASS DigitalLED74
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// Description:
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// Construct a number as an image that looks like LED numbers in a
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// 7x4 digital matrix
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//========================================================================
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class DigitalLED74
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{
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private $iLED_X = 4, $iLED_Y=7,
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// fg-up, fg-down, bg
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$iColorSchema = array(
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LEDC_RED => array('red','darkred:0.9','red:0.3'),// 0
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LEDC_GREEN => array('green','darkgreen','green:0.3'),// 1
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LEDC_BLUE => array('lightblue:0.9','darkblue:0.85','darkblue:0.7'),// 2
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LEDC_YELLOW => array('yellow','yellow:0.4','yellow:0.3'),// 3
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LEDC_GRAY => array('gray:1.4','darkgray:0.85','darkgray:0.7'),
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LEDC_CHOCOLATE => array('chocolate','chocolate:0.7','chocolate:0.5'),
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LEDC_PERU => array('peru:0.95','peru:0.6','peru:0.5'),
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LEDC_GOLDENROD => array('goldenrod','goldenrod:0.6','goldenrod:0.5'),
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LEDC_KHAKI => array('khaki:0.7','khaki:0.4','khaki:0.3'),
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LEDC_OLIVE => array('#808000','#808000:0.7','#808000:0.6'),
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LEDC_LIMEGREEN => array('limegreen:0.9','limegreen:0.5','limegreen:0.4'),
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LEDC_FORESTGREEN => array('forestgreen','forestgreen:0.7','forestgreen:0.5'),
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LEDC_TEAL => array('teal','teal:0.7','teal:0.5'),
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LEDC_STEELBLUE => array('steelblue','steelblue:0.65','steelblue:0.5'),
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LEDC_NAVY => array('navy:1.3','navy:0.95','navy:0.8'),//14
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LEDC_INVERTGRAY => array('darkgray','lightgray:1.5','white')//15
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),
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/* Each line of the character is encoded as a 4 bit value
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0 ____
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1 ___x
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2 __x_
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3 __xx
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4 _x__
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5 _x_x
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6 _xx_
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7 _xxx
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8 x___
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9 x__x
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10 x_x_
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11 x_xx
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12 xx__
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13 xx_x
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14 xxx_
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15 xxxx
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*/
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$iLEDSpec = array(
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0 => array(6,9,11,15,13,9,6),
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1 => array(2,6,10,2,2,2,2),
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2 => array(6,9,1,2,4,8,15),
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3 => array(6,9,1,6,1,9,6),
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4 => array(1,3,5,9,15,1,1),
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5 => array(15,8,8,14,1,9,6),
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6 => array(6,8,8,14,9,9,6),
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7 => array(15,1,1,2,4,4,4),
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8 => array(6,9,9,6,9,9,6),
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9 => array(6,9,9,7,1,1,6),
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'!' => array(4,4,4,4,4,0,4),
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'?' => array(6,9,1,2,2,0,2),
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'#' => array(0,9,15,9,15,9,0),
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'@' => array(6,9,11,11,10,9,6),
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'-' => array(0,0,0,15,0,0,0),
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'_' => array(0,0,0,0,0,0,15),
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'=' => array(0,0,15,0,15,0,0),
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'+' => array(0,0,4,14,4,0,0),
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'|' => array(4,4,4,4,4,4,4), //vertical line, used for simulate rus 'Ы'
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',' => array(0,0,0,0,0,12,4),
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'.' => array(0,0,0,0,0,12,12),
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':' => array(12,12,0,0,0,12,12),
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';' => array(12,12,0,0,0,12,4),
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'[' => array(3,2,2,2,2,2,3),
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']' => array(12,4,4,4,4,4,12),
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'(' => array(1,2,2,2,2,2,1),
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')' => array(8,4,4,4,4,4,8),
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'{' => array(3,2,2,6,2,2,3),
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'}' => array(12,4,4,6,4,4,12),
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'<' => array(1,2,4,8,4,2,1),
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'>' => array(8,4,2,1,2,4,8),
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'*' => array(9,6,15,6,9,0,0),
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'"' => array(10,10,0,0,0,0,0),
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'\'' => array(4,4,0,0,0,0,0),
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'`' => array(4,2,0,0,0,0,0),
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'~' => array(13,11,0,0,0,0,0),
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'^' => array(4,10,0,0,0,0,0),
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'\\' => array(8,8,4,6,2,1,1),
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'/' => array(1,1,2,6,4,8,8),
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'%' => array(1,9,2,6,4,9,8),
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'&' => array(0,4,10,4,11,10,5),
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'$' => array(2,7,8,6,1,14,4),
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' ' => array(0,0,0,0,0,0,0),
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'•' => array(0,0,6,6,0,0,0), //149
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'°' => array(14,10,14,0,0,0,0), //176
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'†' => array(4,4,14,4,4,4,4), //134
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'‡' => array(4,4,14,4,14,4,4), //135
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'±' => array(0,4,14,4,0,14,0), //177
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'‰' => array(0,4,2,15,2,4,0), //137 show right arrow
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'™' => array(0,2,4,15,4,2,0), //156 show left arrow
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'Ў' => array(0,0,8,8,0,0,0), //159 show small hi-stick - that need for simulate rus 'Ф'
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"\t" => array(8,8,8,0,0,0,0), //show hi-stick - that need for simulate rus 'У'
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"\r" => array(8,8,8,8,8,8,8), //vertical line - that need for simulate 'M', 'W' and rus 'М','Ш' ,'Щ'
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"\n" => array(15,15,15,15,15,15,15), //fill up - that need for simulate rus 'Ж'
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"Ґ" => array(10,5,10,5,10,5,10), //chess
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"µ" => array(15,0,15,0,15,0,15), //4 horizontal lines
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// latin
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'A' => array(6,9,9,15,9,9,9),
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'B' => array(14,9,9,14,9,9,14),
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'C' => array(6,9,8,8,8,9,6),
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'D' => array(14,9,9,9,9,9,14),
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'E' => array(15,8,8,14,8,8,15),
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'F' => array(15,8,8,14,8,8,8),
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'G' => array(6,9,8,8,11,9,6),
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'H' => array(9,9,9,15,9,9,9),
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'I' => array(14,4,4,4,4,4,14),
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'J' => array(15,1,1,1,1,9,6),
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'K' => array(8,9,10,12,12,10,9),
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'L' => array(8,8,8,8,8,8,15),
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'M' => array(8,13,10,8,8,8,8),// need to add \r
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'N' => array(9,9,13,11,9,9,9),
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'O' => array(6,9,9,9,9,9,6),
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'P' => array(14,9,9,14,8,8,8),
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'Q' => array(6,9,9,9,13,11,6),
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'R' => array(14,9,9,14,12,10,9),
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'S' => array(6,9,8,6,1,9,6),
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'T' => array(14,4,4,4,4,4,4),
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'U' => array(9,9,9,9,9,9,6),
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'V' => array(0,0,0,10,10,10,4),
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'W' => array(8,8,8,8,10,13,8),// need to add \r
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'X' => array(9,9,6,6,6,9,9),
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'Y' => array(10,10,10,10,4,4,4),
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'Z' => array(15,1,2,6,4,8,15),
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// russian utf-8
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'А' => array(6,9,9,15,9,9,9),
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'Б' => array(14,8,8,14,9,9,14),
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'В' => array(14,9,9,14,9,9,14),
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'Г' => array(15,8,8,8,8,8,8),
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'Д' => array(14,9,9,9,9,9,14),
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'Е' => array(15,8,8,14,8,8,15),
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'Ё' => array(6,15,8,14,8,8,15),
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//Ж is combine: >\n<
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'З' => array(6,9,1,2,1,9,6),
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'И' => array(9,9,9,11,13,9,9),
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'Й' => array(13,9,9,11,13,9,9),
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'К' => array(9,10,12,10,9,9,9),
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'Л' => array(7,9,9,9,9,9,9),
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'М' => array(8,13,10,8,8,8,8),// need to add \r
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'Н' => array(9,9,9,15,9,9,9),
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'О' => array(6,9,9,9,9,9,6),
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'П' => array(15,9,9,9,9,9,9),
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'Р' => array(14,9,9,14,8,8,8),
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'С' => array(6,9,8,8,8,9,6),
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'Т' => array(14,4,4,4,4,4,4),
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'У' => array(9,9,9,7,1,9,6),
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'Ф' => array(2,7,10,10,7,2,2),// need to add Ў
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'Х' => array(9,9,6,6,6,9,9),
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'Ц' => array(10,10,10,10,10,15,1),
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'Ч' => array(9,9,9,7,1,1,1),
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'Ш' => array(10,10,10,10,10,10,15),// \r
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'Щ' => array(10,10,10,10,10,15,0),// need to add \r
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'Ъ' => array(12,4,4,6,5,5,6),
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'Ы' => array(8,8,8,14,9,9,14),// need to add |
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'Ь' => array(8,8,8,14,9,9,14),
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'Э' => array(6,9,1,7,1,9,6),
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'Ю' => array(2,2,2,3,2,2,2),// need to add O
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'Я' => array(7,9,9,7,3,5,9)
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),
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$iSuperSampling = 3, $iMarg = 1, $iRad = 4;
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function __construct($aRadius = 2, $aMargin= 0.6) {
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$this->iRad = $aRadius;
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$this->iMarg = $aMargin;
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}
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function SetSupersampling($aSuperSampling = 2) {
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$this->iSuperSampling = $aSuperSampling;
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}
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function _GetLED($aLedIdx, $aColor = 0) {
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$width= $this->iLED_X*$this->iRad*2 + ($this->iLED_X+1)*$this->iMarg + $this->iRad ;
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$height= $this->iLED_Y*$this->iRad*2 + ($this->iLED_Y)*$this->iMarg + $this->iRad * 2;
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// Adjust radious for supersampling
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$rad = $this->iRad * $this->iSuperSampling;
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// Margin in between "Led" dots
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$marg = $this->iMarg * $this->iSuperSampling;
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$swidth = $width*$this->iSuperSampling;
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$sheight = $height*$this->iSuperSampling;
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$simg = new RotImage($swidth, $sheight, 0, DEFAULT_GFORMAT, false);
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$simg->SetColor($this->iColorSchema[$aColor][2]);
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$simg->FilledRectangle(0, 0, $swidth-1, $sheight-1);
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if( array_key_exists($aLedIdx, $this->iLEDSpec) ) {
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$d = $this->iLEDSpec[$aLedIdx];
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}
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else {
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$d = array(0,0,0,0,0,0,0);
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}
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for($r = 0; $r < 7; ++$r) {
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$dr = $d[$r];
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for($c = 0; $c < 4; ++$c) {
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if( ($dr & pow(2,3-$c)) !== 0 ) {
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$color = $this->iColorSchema[$aColor][0];
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}
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else {
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$color = $this->iColorSchema[$aColor][1];
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}
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$x = 2*$rad*$c+$rad + ($c+1)*$marg + $rad ;
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$y = 2*$rad*$r+$rad + ($r+1)*$marg + $rad ;
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$simg->SetColor($color);
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$simg->FilledCircle($x,$y,$rad);
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}
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}
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$img = new Image($width, $height, DEFAULT_GFORMAT, false);
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$img->Copy($simg->img, 0, 0, 0, 0, $width, $height, $swidth, $sheight);
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$simg->Destroy();
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unset($simg);
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return $img;
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}
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function Stroke($aValStr, $aColor = 0, $aFileName = '') {
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$this->StrokeNumber($aValStr, $aColor, $aFileName);
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}
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function StrokeNumber($aValStr, $aColor = 0, $aFileName = '') {
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if( $aColor < 0 || $aColor >= sizeof($this->iColorSchema) ) {
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$aColor = 0;
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}
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if(($n = mb_strlen($aValStr,'utf8')) == 0) {
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$aValStr = ' ';
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$n = 1;
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}
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for($i = 0; $i < $n; ++$i) {
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$d = mb_substr($aValStr, $i, 1, 'utf8');
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if( ctype_digit($d) ) {
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$d = (int)$d;
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}
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else {
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$d = strtoupper($d);
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}
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$digit_img[$i] = $this->_GetLED($d, $aColor);
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}
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$w = imagesx($digit_img[0]->img);
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$h = imagesy($digit_img[0]->img);
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$number_img = new Image($w*$n, $h, DEFAULT_GFORMAT, false);
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for($i = 0; $i < $n; ++$i) {
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$number_img->Copy($digit_img[$i]->img, $i*$w, 0, 0, 0, $w, $h, $w, $h);
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}
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if( $aFileName != '' ) {
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$number_img->Stream($aFileName);
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} else {
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$number_img->Headers();
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$number_img->Stream();
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}
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}
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}
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?>
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