jpgraph_led.php
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<?php
//=======================================================================
// File: JPGRAPH_LED.PHP
// Description: Module to generate Dotted LED-like digits
// Created: 2006-11-26
// Ver: $Id: jpgraph_led.php 1674 2009-07-22 19:42:23Z ljp $
//
// Copyright 2006 (c) Asial Corporation. All rights reserved.
//
// Changed: 2007-08-06 by Alexander Kurochkin (inspector@list.ru)
//========================================================================
// Constants for color schema
DEFINE('LEDC_RED', 0);
DEFINE('LEDC_GREEN', 1);
DEFINE('LEDC_BLUE', 2);
DEFINE('LEDC_YELLOW', 3);
DEFINE('LEDC_GRAY', 4);
DEFINE('LEDC_CHOCOLATE', 5);
DEFINE('LEDC_PERU', 6);
DEFINE('LEDC_GOLDENROD', 7);
DEFINE('LEDC_KHAKI', 8);
DEFINE('LEDC_OLIVE', 9);
DEFINE('LEDC_LIMEGREEN', 10);
DEFINE('LEDC_FORESTGREEN', 11);
DEFINE('LEDC_TEAL', 12);
DEFINE('LEDC_STEELBLUE', 13);
DEFINE('LEDC_NAVY', 14);
DEFINE('LEDC_INVERTGRAY', 15);
// Check that mb_strlen() is available
if( ! function_exists('mb_strlen') ) {
JpGraphError::RaiseL(25500);
//'Multibyte strings must be enabled in the PHP installation in order to run the LED module
// so that the function mb_strlen() is available. See PHP documentation for more information.'
}
//========================================================================
// CLASS DigitalLED74
// Description:
// Construct a number as an image that looks like LED numbers in a
// 7x4 digital matrix
//========================================================================
class DigitalLED74
{
private $iLED_X = 4, $iLED_Y=7,
// fg-up, fg-down, bg
$iColorSchema = array(
LEDC_RED => array('red','darkred:0.9','red:0.3'),// 0
LEDC_GREEN => array('green','darkgreen','green:0.3'),// 1
LEDC_BLUE => array('lightblue:0.9','darkblue:0.85','darkblue:0.7'),// 2
LEDC_YELLOW => array('yellow','yellow:0.4','yellow:0.3'),// 3
LEDC_GRAY => array('gray:1.4','darkgray:0.85','darkgray:0.7'),
LEDC_CHOCOLATE => array('chocolate','chocolate:0.7','chocolate:0.5'),
LEDC_PERU => array('peru:0.95','peru:0.6','peru:0.5'),
LEDC_GOLDENROD => array('goldenrod','goldenrod:0.6','goldenrod:0.5'),
LEDC_KHAKI => array('khaki:0.7','khaki:0.4','khaki:0.3'),
LEDC_OLIVE => array('#808000','#808000:0.7','#808000:0.6'),
LEDC_LIMEGREEN => array('limegreen:0.9','limegreen:0.5','limegreen:0.4'),
LEDC_FORESTGREEN => array('forestgreen','forestgreen:0.7','forestgreen:0.5'),
LEDC_TEAL => array('teal','teal:0.7','teal:0.5'),
LEDC_STEELBLUE => array('steelblue','steelblue:0.65','steelblue:0.5'),
LEDC_NAVY => array('navy:1.3','navy:0.95','navy:0.8'),//14
LEDC_INVERTGRAY => array('darkgray','lightgray:1.5','white')//15
),
/* Each line of the character is encoded as a 4 bit value
0 ____
1 ___x
2 __x_
3 __xx
4 _x__
5 _x_x
6 _xx_
7 _xxx
8 x___
9 x__x
10 x_x_
11 x_xx
12 xx__
13 xx_x
14 xxx_
15 xxxx
*/
$iLEDSpec = array(
0 => array(6,9,11,15,13,9,6),
1 => array(2,6,10,2,2,2,2),
2 => array(6,9,1,2,4,8,15),
3 => array(6,9,1,6,1,9,6),
4 => array(1,3,5,9,15,1,1),
5 => array(15,8,8,14,1,9,6),
6 => array(6,8,8,14,9,9,6),
7 => array(15,1,1,2,4,4,4),
8 => array(6,9,9,6,9,9,6),
9 => array(6,9,9,7,1,1,6),
'!' => array(4,4,4,4,4,0,4),
'?' => array(6,9,1,2,2,0,2),
'#' => array(0,9,15,9,15,9,0),
'@' => array(6,9,11,11,10,9,6),
'-' => array(0,0,0,15,0,0,0),
'_' => array(0,0,0,0,0,0,15),
'=' => array(0,0,15,0,15,0,0),
'+' => array(0,0,4,14,4,0,0),
'|' => array(4,4,4,4,4,4,4), //vertical line, used for simulate rus 'Ы'
',' => array(0,0,0,0,0,12,4),
'.' => array(0,0,0,0,0,12,12),
':' => array(12,12,0,0,0,12,12),
';' => array(12,12,0,0,0,12,4),
'[' => array(3,2,2,2,2,2,3),
']' => array(12,4,4,4,4,4,12),
'(' => array(1,2,2,2,2,2,1),
')' => array(8,4,4,4,4,4,8),
'{' => array(3,2,2,6,2,2,3),
'}' => array(12,4,4,6,4,4,12),
'<' => array(1,2,4,8,4,2,1),
'>' => array(8,4,2,1,2,4,8),
'*' => array(9,6,15,6,9,0,0),
'"' => array(10,10,0,0,0,0,0),
'\'' => array(4,4,0,0,0,0,0),
'`' => array(4,2,0,0,0,0,0),
'~' => array(13,11,0,0,0,0,0),
'^' => array(4,10,0,0,0,0,0),
'\\' => array(8,8,4,6,2,1,1),
'/' => array(1,1,2,6,4,8,8),
'%' => array(1,9,2,6,4,9,8),
'&' => array(0,4,10,4,11,10,5),
'$' => array(2,7,8,6,1,14,4),
' ' => array(0,0,0,0,0,0,0),
'•' => array(0,0,6,6,0,0,0), //149
'°' => array(14,10,14,0,0,0,0), //176
'†' => array(4,4,14,4,4,4,4), //134
'‡' => array(4,4,14,4,14,4,4), //135
'±' => array(0,4,14,4,0,14,0), //177
'‰' => array(0,4,2,15,2,4,0), //137 show right arrow
'™' => array(0,2,4,15,4,2,0), //156 show left arrow
'Ў' => array(0,0,8,8,0,0,0), //159 show small hi-stick - that need for simulate rus 'Ф'
"\t" => array(8,8,8,0,0,0,0), //show hi-stick - that need for simulate rus 'У'
"\r" => array(8,8,8,8,8,8,8), //vertical line - that need for simulate 'M', 'W' and rus 'М','Ш' ,'Щ'
"\n" => array(15,15,15,15,15,15,15), //fill up - that need for simulate rus 'Ж'
"Ґ" => array(10,5,10,5,10,5,10), //chess
"µ" => array(15,0,15,0,15,0,15), //4 horizontal lines
// latin
'A' => array(6,9,9,15,9,9,9),
'B' => array(14,9,9,14,9,9,14),
'C' => array(6,9,8,8,8,9,6),
'D' => array(14,9,9,9,9,9,14),
'E' => array(15,8,8,14,8,8,15),
'F' => array(15,8,8,14,8,8,8),
'G' => array(6,9,8,8,11,9,6),
'H' => array(9,9,9,15,9,9,9),
'I' => array(14,4,4,4,4,4,14),
'J' => array(15,1,1,1,1,9,6),
'K' => array(8,9,10,12,12,10,9),
'L' => array(8,8,8,8,8,8,15),
'M' => array(8,13,10,8,8,8,8),// need to add \r
'N' => array(9,9,13,11,9,9,9),
'O' => array(6,9,9,9,9,9,6),
'P' => array(14,9,9,14,8,8,8),
'Q' => array(6,9,9,9,13,11,6),
'R' => array(14,9,9,14,12,10,9),
'S' => array(6,9,8,6,1,9,6),
'T' => array(14,4,4,4,4,4,4),
'U' => array(9,9,9,9,9,9,6),
'V' => array(0,0,0,10,10,10,4),
'W' => array(8,8,8,8,10,13,8),// need to add \r
'X' => array(9,9,6,6,6,9,9),
'Y' => array(10,10,10,10,4,4,4),
'Z' => array(15,1,2,6,4,8,15),
// russian utf-8
'А' => array(6,9,9,15,9,9,9),
'Б' => array(14,8,8,14,9,9,14),
'В' => array(14,9,9,14,9,9,14),
'Г' => array(15,8,8,8,8,8,8),
'Д' => array(14,9,9,9,9,9,14),
'Е' => array(15,8,8,14,8,8,15),
'Ё' => array(6,15,8,14,8,8,15),
//Ж is combine: >\n<
'З' => array(6,9,1,2,1,9,6),
'И' => array(9,9,9,11,13,9,9),
'Й' => array(13,9,9,11,13,9,9),
'К' => array(9,10,12,10,9,9,9),
'Л' => array(7,9,9,9,9,9,9),
'М' => array(8,13,10,8,8,8,8),// need to add \r
'Н' => array(9,9,9,15,9,9,9),
'О' => array(6,9,9,9,9,9,6),
'П' => array(15,9,9,9,9,9,9),
'Р' => array(14,9,9,14,8,8,8),
'С' => array(6,9,8,8,8,9,6),
'Т' => array(14,4,4,4,4,4,4),
'У' => array(9,9,9,7,1,9,6),
'Ф' => array(2,7,10,10,7,2,2),// need to add Ў
'Х' => array(9,9,6,6,6,9,9),
'Ц' => array(10,10,10,10,10,15,1),
'Ч' => array(9,9,9,7,1,1,1),
'Ш' => array(10,10,10,10,10,10,15),// \r
'Щ' => array(10,10,10,10,10,15,0),// need to add \r
'Ъ' => array(12,4,4,6,5,5,6),
'Ы' => array(8,8,8,14,9,9,14),// need to add |
'Ь' => array(8,8,8,14,9,9,14),
'Э' => array(6,9,1,7,1,9,6),
'Ю' => array(2,2,2,3,2,2,2),// need to add O
'Я' => array(7,9,9,7,3,5,9)
),
$iSuperSampling = 3, $iMarg = 1, $iRad = 4;
function __construct($aRadius = 2, $aMargin= 0.6) {
$this->iRad = $aRadius;
$this->iMarg = $aMargin;
}
function SetSupersampling($aSuperSampling = 2) {
$this->iSuperSampling = $aSuperSampling;
}
function _GetLED($aLedIdx, $aColor = 0) {
$width= $this->iLED_X*$this->iRad*2 + ($this->iLED_X+1)*$this->iMarg + $this->iRad ;
$height= $this->iLED_Y*$this->iRad*2 + ($this->iLED_Y)*$this->iMarg + $this->iRad * 2;
// Adjust radious for supersampling
$rad = $this->iRad * $this->iSuperSampling;
// Margin in between "Led" dots
$marg = $this->iMarg * $this->iSuperSampling;
$swidth = $width*$this->iSuperSampling;
$sheight = $height*$this->iSuperSampling;
$simg = new RotImage($swidth, $sheight, 0, DEFAULT_GFORMAT, false);
$simg->SetColor($this->iColorSchema[$aColor][2]);
$simg->FilledRectangle(0, 0, $swidth-1, $sheight-1);
if( array_key_exists($aLedIdx, $this->iLEDSpec) ) {
$d = $this->iLEDSpec[$aLedIdx];
}
else {
$d = array(0,0,0,0,0,0,0);
}
for($r = 0; $r < 7; ++$r) {
$dr = $d[$r];
for($c = 0; $c < 4; ++$c) {
if( ($dr & pow(2,3-$c)) !== 0 ) {
$color = $this->iColorSchema[$aColor][0];
}
else {
$color = $this->iColorSchema[$aColor][1];
}
$x = 2*$rad*$c+$rad + ($c+1)*$marg + $rad ;
$y = 2*$rad*$r+$rad + ($r+1)*$marg + $rad ;
$simg->SetColor($color);
$simg->FilledCircle($x,$y,$rad);
}
}
$img = new Image($width, $height, DEFAULT_GFORMAT, false);
$img->Copy($simg->img, 0, 0, 0, 0, $width, $height, $swidth, $sheight);
$simg->Destroy();
unset($simg);
return $img;
}
function Stroke($aValStr, $aColor = 0, $aFileName = '') {
$this->StrokeNumber($aValStr, $aColor, $aFileName);
}
function StrokeNumber($aValStr, $aColor = 0, $aFileName = '') {
if( $aColor < 0 || $aColor >= sizeof($this->iColorSchema) ) {
$aColor = 0;
}
if(($n = mb_strlen($aValStr,'utf8')) == 0) {
$aValStr = ' ';
$n = 1;
}
for($i = 0; $i < $n; ++$i) {
$d = mb_substr($aValStr, $i, 1, 'utf8');
if( ctype_digit($d) ) {
$d = (int)$d;
}
else {
$d = strtoupper($d);
}
$digit_img[$i] = $this->_GetLED($d, $aColor);
}
$w = imagesx($digit_img[0]->img);
$h = imagesy($digit_img[0]->img);
$number_img = new Image($w*$n, $h, DEFAULT_GFORMAT, false);
for($i = 0; $i < $n; ++$i) {
$number_img->Copy($digit_img[$i]->img, $i*$w, 0, 0, 0, $w, $h, $w, $h);
}
if( $aFileName != '' ) {
$number_img->Stream($aFileName);
} else {
$number_img->Headers();
$number_img->Stream();
}
}
}
?>