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patrickmaciel/EscPos.php

Created November 27, 2013 15:47
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Solução para imprimir de maneira simplificada utilizando a classe EscPos.php uma nota fiscal
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EscPos.php
<?php
class EscPos {
// Prepare c_EscPos Object
// ======================
/* Printer Driver Settings */
var $os; // operating system
var $printer; // printer name or port
var $output; // output mode
var $handle; // printer- / file- handle
var $width; // output width (characters)
var $translate; // use character translation
var $printer_char_set; // printer character set
/* Data */
var $document; // printer document
var $translator_char_set; // translator character set name
var $translate_find; // find those characters (array)
var $translate_replace; // and replace with these (array)
/* Printer Capability Settings */
var $pcp_color; // can print colors
var $pcp_barcode; // can print bar codes
var $pcp_cut; // can cut paper
var $pcp_logo; // can print logo
var $pcp_drawer; // has drawer kick
var $pcp_fontselect; // has font selection
var $pcp_reverse; // can reverse feed
/* Port Settings */
var $baud;
var $parity;
var $data;
var $stop;
var $xon;
// Constructor
// ===========
public function __construct( $printer_setup = false, $printer_name = false, $reset = true, $com_setup = true ) {
// require_once "print_config.inc";
if ( substr( php_uname(), 0, 7 ) == "Windows" ) $this -> os = "windows";
else $this -> os = "unix";
$this -> printer = 'COM1';
$this -> output = 'port';
$this -> handle = false;
$this -> document = false;
// Load Printer Setup
// ==================
$this -> LoadSetup( $printer_setup );
// Open Printer?
// =============
if ( $printer_name == true ) $this -> Open( $printer_name, $reset, $com_setup );
}
// Error Message
// =============
public function error( $message ) {
echo "c_EscPos ERROR: $message\n";
}
// Use Character Translation
// =========================
public function UseTranslation( $use = true ) {
if ( $use == true ) $this -> translate = true;
else $this -> translate = false;
}
// Character Translation Setup
// ===========================
public function TranslationSetup( $name, $find, $replace ) {
if ( !is_array( $find ) && !is_array( $replace ) ) {
$this -> error( '$find and $replace must be arrays!' );
return false;
}
$this -> translate_find = $find;
$this -> translate_replace = $replace;
$this -> translator_char_set = $name;
return true;
}
// Select Printer-Character-Table
// ==============================
public function PrinterCharacterTable( $char_table ) {
if ( $this -> handle != false ) {
$this -> error( 'Character tables of opened printers can\'t be altered.' );
return false;
}elseif ( !is_numeric( $char_table ) ) {
$this -> error( 'Value to select character table must be a number!' );
return false;
}
$this -> printer_char_set = $char_table;
return true;
}
// Set Width (Characters)
// ======================
public function SetWidth( $width ) {
if ( !is_numeric( $width ) ) {
$this -> error( 'Width must be a number.' );
return false;
}
$this -> width = $width;
return true;
}
// Capability Setup
// ================
public function CapSetup( $set_color = false, $set_barcode = false, $set_cut = false, $set_logo = false, $set_drawer = false, $set_fontselect = false, $set_reverse = false ) {
$this -> pcp_color = $set_color;
$this -> pcp_barcode = $set_barcode;
$this -> pcp_cut = $set_cut;
$this -> pcp_logo = $set_logo;
$this -> pcp_drawer = $set_drawer;
$this -> pcp_fontselect = $set_fontselect;
$this -> pcp_reverse = $set_reverse;
}
// Communication Setup
// ===================
public function ComSetup( $set_baud = false, $set_parity = false, $set_data = false, $set_stop = false, $set_xon = false ) {
if ( $this -> handle != false ) {
$this -> error( 'Communication settings of opened devices can\'t be altered.' );
return false;
}
if ( $set_baud != false ) $this -> baud = $set_baud;
if ( $set_parity != false ) $this -> parity = $set_parity;
if ( $set_data != false ) $this -> data = $set_data;
if ( $set_stop != false ) $this -> stop = $set_stop;
if ( $set_xon != false ) $this -> xon = $set_xon;
return true;
}
// Load Printer Setup
// ==================
public function LoadSetup( $printer = false ) {
// global $EscPos_printer;
$EscPos_printer = Configure::read( 'printer.config' );
if ( $printer == false ) {
$printer = 'DEFAULT';
$EscPos_printer['DEFAULT'] = array(
'width' => 40,
'translate' => true,
'p_char_set' => false,
'color' => false,
'barcode' => false,
'cut' => false,
'logo' => false,
'drawer' => false,
'fontselect' => false,
'reverse' => false,
'baud' => 9600,
'parity' => 'N',
'data' => 8,
'stop' => 1,
'xon' => 'off',
't_char_set' => false,
'find' => false,
'repl' => false,
);
}
if ( !isset( $EscPos_printer[$printer] ) ) {
$this -> error( 'Unknown printer setup.' );
return false;
}
$this->width = $EscPos_printer[$printer]['width'];
$this->translate = $EscPos_printer[$printer]['translate'];
$this->printer_char_set = $EscPos_printer[$printer]['p_char_set'];
$this->pcp_color = $EscPos_printer[$printer]['color'];
$this->pcp_barcode = $EscPos_printer[$printer]['barcode'];
$this->pcp_cut = $EscPos_printer[$printer]['cut'];
$this->pcp_logo = $EscPos_printer[$printer]['logo'];
$this->pcp_drawer = $EscPos_printer[$printer]['drawer'];
$this->pcp_fontselect = $EscPos_printer[$printer]['fontselect'];
$this->pcp_reverse = $EscPos_printer[$printer]['reverse'];
$this->baud = $EscPos_printer[$printer]['baud'];
$this->parity = $EscPos_printer[$printer]['parity'];
$this->data = $EscPos_printer[$printer]['data'];
$this->stop = $EscPos_printer[$printer]['stop'];
$this->xon = $EscPos_printer[$printer]['xon'];
if ( $EscPos_printer[$printer]['find'] != false && $EscPos_printer[$printer]['repl'] != false ) {
if ( $EscPos_printer[$printer]['t_char_set'] == false ) $EscPos_printer[$printer]['t_char_set'] = $printer;
$this -> TranslationSetup( $EscPos_printer[$printer]['t_char_set'], $EscPos_printer[$printer]['find'], $EscPos_printer[$printer]['repl'] );
}
return true;
}
// Get Settings
// ============
public function GetSettings( $setting = false, $echo = false ) {
$settings = array();
$settings['os'] = $this -> os;
$settings['printer'] = $this -> printer;
$settings['output'] = $this -> output;
$settings['width'] = $this -> width;
$settings['translate'] = $this -> translate;
$settings['p_char_set'] = $this -> printer_char_set;
$settings['t_char_set'] = $this -> translator_char_set;
$settings['color'] = $this -> pcp_color;
$settings['barcode'] = $this -> pcp_barcode;
$settings['cut'] = $this -> pcp_cut;
$settings['logo'] = $this -> pcp_logo;
$settings['drawer'] = $this -> pcp_drawer;
$settings['fontselect'] = $this -> pcp_fontselect;
$settings['reverse'] = $this -> pcp_reverse;
$settings['baud'] = $this -> baud;
$settings['parity'] = $this -> parity;
$settings['data'] = $this -> data;
$settings['stop'] = $this -> stop;
$settings['xon'] = $this -> xon;
if ( $echo == true ) {
if ( $setting == false ) {
foreach ( $settings as $name => $value ) {
if ( $value === false ) $text = 'false';
elseif ( $value === true ) $text = 'true';
else $text = $value;
echo sprintf( "%' 12s", $name ) . ": $text\n";
}
return true;
}else {
if ( isset( $settings[$setting] ) ) {
echo "$setting: " . $settings[$setting] . "\n";
return true;
}else {
$this -> error( 'There\'s no such setting.' );
return false;
}
}
}else {
if ( $setting == false ) {
return $settings;
}else {
if ( isset( $settings[$setting] ) ) {
return $settings[$setting];
}else {
$this -> error( 'There\'s no such setting.' );
return false;
}
}
}
}
// Open
// ====
public function Open( $printer_name, $reset = true, $com_setup = true ) {
// Check Opening / Output Method
// =============================
switch ( $printer_name ) {
case "PRN":
case "COM1":
case "COM2":
case "LPT1":
case "LPT2":
if ( $this -> os == 'unix' ) {
$this -> error( 'Invalid Unix port.' );
return false;
}
$this -> output = 'port';
break;
case "ttyS0":
case "ttyS1":
case "ttyS2":
case "lp0":
case "lp1":
case "lp2":
case "usb/lp0":
case "usb/lp1":
case "usb/lp2":
if ( $this -> os == 'windows' ) {
$this -> error( 'Invalid Windows port.' );
return false;
}
$this -> output = 'port';
break;
default:
$this -> output = 'printer_system';
}
$this -> printer = $printer_name;
// Open Printer
// ============
if ( $this -> output == 'printer_system' ) {
if ( $this -> os == 'windows' ) {
// Open With Windows Printer Functions
// ===================================
if ( !extension_loaded( 'printer' ) ) {
$this -> error( 'PHP\'s windows printer extension must be loaded.' );
return false;
}
$this -> handle = printer_open( $this -> printer );
if ( $this -> handle == false ) {
$this -> error( 'Printer couldn\'t be opened.' );
return false;
}
printer_set_option( $this -> handle, PRINTER_MODE, "raw" );
}else {
// Send Document to CUPS lpr later
// ===============================
$this -> handle = true;
}
}else {
if ( $this -> output == 'port' && $this -> os == 'windows' ) {
// Open Port DOS / Windows
// =======================
if ( $this -> printer == "PRN" ) {
$device = $this -> printer;
}else {
if ( $com_setup == true ) {
// Communications Setup
// =================================================================
// shell_exec("mode com1: BAUD=9600 PARITY=N data=8 stop=1 xon=off")
shell_exec( "mode " . strtolower( $this -> handle ) . ": BAUD=" . $this -> baud . " PARITY=" . $this -> parity . " data=" . $this -> data . " stop=" . $this -> stop . " xon=" . $this -> xon );
}
$device = $this -> printer;
}
$this -> handle = fopen( $device, 'w' );
if ( $this -> handle == false ) {
$this -> error( 'Printer couldn\'t be opened.' );
return false;
}
}elseif ( $this -> output == 'port' && $this -> os == 'unix' ) {
// Open Serial Port Unix
// =====================
if ( $com_setup == true ) {
// Communications Setup
// ====================================================
// system("stty 9600 cs8 -parenb -cstopb < /dev/ttyS0")
$udevice = ' < /dev/' . $this -> printer;
$ubaud = $this -> baud;
if ( $this -> data == 8 ) $udata = ' cs' . $this -> data; // number of data bits
if ( $this -> parity == 'N' ) $uparity = ' -parenb'; // no parity bit
else $uparity = ' parenb'; // parity bit
if ( $this -> stop == 1 ) $ustop = ' -cstopb'; // one stop bit
else $ustop = ' cstopb'; // two stop bits
if ( $this -> xon == 'on' ) $uxon = ' ixon'; // activate XON
else $uxon = ' -ixon'; // deactivate XON
system( "stty " . $ubaud . $udata . $uparity . $ustop . $udevice );
}
$device = "/dev/" . $this -> printer;
$this -> handle = fopen( $device, 'w' );
if ( $this -> handle == false ) {
$this -> error( 'Printer couldn\'t be opened.' );
return false;
}
}else {
return false;
}
}
// Re-Initialize printer (reset buffer)?
// =====================================
if ( $reset == true ) $esc_pos_command = $this->kbyte( 27 ) . "@";
else $esc_pos_command = "";
// Select ESC/POS Character Code Table?
// ====================================
if ( $this -> printer_char_set !== false ) $esc_pos_command .= $this->kbyte( 27 ) . "t" . $this->kbyte( $this -> printer_char_set );
// Append to Document
// ==================
if ( isset( $esc_pos_command ) ) $this -> document = $esc_pos_command;
return true;
}
// Append to Document
// ==================
public function Append( $string ) {
if ( $this -> handle == false ) return false;
if ( $this -> document === false ) $this -> document = $string;
else $this -> document .= $string;
return true;
}
// Select Color
// ============
// $color: integer (color id 0 or 1)
public function Color( $color = 0 ) {
if ( $this -> handle == false ) return false;
if ( $this -> pcp_color != true ) return false;
switch ( $color ) {
case 1:
$select = $this->kbyte( 49 );
break;
default:
$select = $this->kbyte( 48 );
}
return $this -> Append( $this->kbyte( 27 ) . "r" . $select );
}
// Double Strike
// =============
// $double_strike: bool
public function Double( $double_strike = false ) {
if ( $this -> handle == false ) return false;
switch ( $double_strike ) {
case true:
$set = $this->kbyte( 49 );
break;
default:
$set = $this->kbyte( 48 );
}
return $this -> Append( $this->kbyte( 27 ) . "G" . $set );
}
// Emphasize
// =========
// $select: bool
public function Emphasize( $select = false ) {
if ( $this -> handle == false ) return false;
switch ( $select ) {
case true:
$set = $this->kbyte( 49 );
break;
default:
$set = $this->kbyte( 48 );
}
return $this -> Append( $this->kbyte( 27 ) . "E" . $set );
}
// Underline
// =========
// $underline: bool
public function Underline( $underline = false ) {
if ( $this -> handle == false ) return false;
switch ( $underline ) {
case true:
$set = $this->kbyte( 49 );
break;
default:
$set = $this->kbyte( 48 );
}
return $this -> Append( $this->kbyte( 27 ) . "-" . $set );
}
// Invert Black/White
// ==================
// $side: integer (0 <=> 1)
public function InvertBW( $side = 0 ) {
if ( $this -> handle == false ) return false;
if ( $side > 1 or $side < 0 ) $side = 0;
return $this -> Append( $this->kbyte( 29 ) . "B" . $this->kbyte( $side ) );
}
// Upside Down Printing
// ==================================
// (c) 2009 by 'smacedo' on my forum,
// modified by 'Kovu' 01.04.2010.
// Thanks for your contribution!
// ==================================
// $side: integer (0 <=> 1)
public function UpsideDown( $side = 0 ) {
if ( $this -> handle == false ) return false;
if ( $side > 1 or $side < 0 ) $side = 0;
return $this -> Append( $this->kbyte( 27 ) . "{" . $this->kbyte( $side ) );
}
// Character Size
// ==================================
// (c) 2009 by 'smacedo' on my forum,
// modified by 'Kovu' 01.04.2010.
// Thanks for your contribution!
// ==================================
// $size: integer (0 <=> 255)
public function Size( $size = 0 ) {
if ( $this -> handle == false ) return false;
if ( $size < 0 ) $size = 0;
elseif ( $size > 255 ) $size = 255;
return $this -> Append( $this->kbyte( 29 ) . "!" . $this->kbyte( $size ) );
}
// Select Font
// ===========
// $font: string (type character A/B/*C)
public function Font( $font = "B" ) {
if ( $this -> handle == false ) return false;
if ( $this -> pcp_fontselect != true ) return false;
if ( eregi( "TM-U220", $font ) && $font == "C" ) $font = "B";
switch ( $font ) {
case "A":
$set = $this->kbyte( 48 );
break;
case "C":
$set = $this->kbyte( 50 );
break;
default:
$set = $this->kbyte( 49 );
}
return $this -> Append( $this->kbyte( 27 ) . "M" . $set );
}
// Select Character Height
// =======================
// $size: string (double / normal)
public function Height( $size = "double" ) {
if ( $this -> handle == false ) return false;
switch ( $size ) {
case "double":
$set = $this->kbyte( 16 );
break;
default:
$set = $this->kbyte( 0 );
}
return $this -> Append( $this->kbyte( 27 ) . "!" . $set );
}
// Select Character Width
// ======================
// $size: string (double / normal)
public function Width( $size = "double" ) {
if ( $this -> handle == false ) return false;
switch ( $size ) {
case "double":
$set = $this->kbyte( 32 );
break;
default:
$set = $this->kbyte( 0 );
}
return $this -> Append( $this->kbyte( 27 ) . "!" . $set );
}
// Align
// =====
// $position: string (left/center/right)
public function Align( $position = "left" ) {
if ( $this -> handle == false ) return false;
switch ( $position ) {
case "right":
$set = $this->kbyte( 50 );
break;
case "center":
$set = $this->kbyte( 49 );
break;
default:
$set = $this->kbyte( 48 );
}
return $this -> Append( $this->kbyte( 27 ) . "a" . $set );
}
// XFeed
// =====
// NOTE: could lead to unexpected behavior!
// =====
// $lines: integer (lines to feed)
public function XFeed( $lines = 1 ) {
if ( $this -> handle == false ) return false;
if ( $lines > 1 ) $feed = $this->kbyte( 2 );
else $feed = $this->kbyte( $lines );
return $this -> Append( $this->kbyte( 27 ) . "d" . $feed );
}
// XFeed Reverse
// =============
// NOTE: could lead to unexpected behavior!
// =============
// $lines: integer (lines to feed)
public function XrFeed( $lines = 1 ) {
if ( $this -> handle == false ) return false;
if ( $this -> pcp_reverse != true ) return false;
if ( $lines > 1 ) $feed = $this->kbyte( 2 );
else $feed = $this->kbyte( $lines );
return $this -> Append( $this->kbyte( 27 ) . "e" . $feed );
}
// Cut
// ===
// $lines: integer (lines to feed before cutting) optional
public function Cut( $lines = false ) {
if ( $this -> handle == false ) return false;
if ( $this -> pcp_cut != true ) return false;
if ( $lines != false ) $feed = $this->kbyte( $lines );
else $feed = $this->kbyte( 0 );
return $this -> Append( $this->kbyte( 29 ) . "V" . $this->kbyte( 65 ) . $feed );
}
// Drawer Kick
// ===========
// $pin: 2, 5 or 'both'
public function Drawer( $pin = 2 ) {
if ( $this -> handle == false ) return false;
if ( $this -> pcp_drawer != true ) return false;
if ( $pin == 'both' ) {
$this -> Drawer( 2 );
return $this -> Drawer( 5 );
}else {
if ( $pin == 5 ) $pin = $this->kbyte( 49 );
else $pin = $this->kbyte( 48 );
return $this -> Append( $this->kbyte( 27 ) . "p" . $pin . $this->kbyte( 49 ) . $this->kbyte( 50 ) );
}
}
// Translate
// =========
// $string: string (text data)
public function Translate( $string ) {
if ( $this -> translate != true ) return $string;
if ( !is_array( $this -> translate_find ) or !is_array( $this -> translate_replace ) ) {
$this -> error( 'Translation isn\'t set up correctly.' );
return $string;
}
return str_replace( $this -> translate_find, $this -> translate_replace, $string );
}
// Add a Line
// ==========
// $string: string (print data)
// $feed: bool (feed after printing line)
public function Line( $string, $feed = true ) {
if ( $this -> handle == false ) return false;
if ( $this -> pcp_drawer != true ) return false;
if ( $this -> translate == true ) $esc_pos_command = $this -> Translate( $string );
else $esc_pos_command = $string;
if ( $feed == true ) $esc_pos_command .= $this->kbyte( 10 );
return $this -> Append( $esc_pos_command );
}
// NewLine
// =======
public function NL( $qnt = 1 ) {
if ( $this -> handle == false ) return false;
for ( $i=0;$i<$qnt;$i++ ) {
$return = $this -> Append( $this->kbyte( 10 ) );
}
return (isset($return) ? $return : $this->Append($this->kbyte(10)));
}
// Print From File
// ================================
// (c) 2009 by 'solis' on my forum,
// modified by 'Kovu' 01.04.2010.
// Thanks for your contribution!
// ================================
// $size: integer (0 <=> 255)
public function file( $path, $textmode = true ) {
if ( $this -> handle == false ) return false;
if ( !file_exists( $path ) ) {
$this -> error( 'There\'s no such file!' );
return false;
}
if ( $textmode != true ) {
// Send The Entire File
// ====================
if ( !$content = file_get_contents( $path ) ) {
$this -> error( 'File couldn\'t be opened.' );
return false;
}
return $this -> Append( $content . $this->kbyte( 10 ) );
}else {
// Send as Text-Lines
// ==================
if ( !$lines = file( $path, FILE_IGNORE_NEW_LINES ) ) {
$this -> error( 'File couldn\'t be opened.' );
return false;
}
foreach ( $lines as $line ) $this -> Line( $line, true );
return true;
}
}
// Barcode Setup
// =============
// $height: integer 1 <=> 255
// $width: integer 1 <=> 3
// $text: string 'none', 'above', 'below', 'both'
// $font: integer 0 <=> 1
public function BarcodeSetup( $width = false, $height = false, $text = false, $font = false ) {
if ( $this -> handle == false ) return false;
if ( $this -> pcp_barcode != true ) return false;
if ( $width !== false && is_numeric( $width ) ) {
$this -> Append( $this->kbyte( 29 ) . "w" . $this->kbyte( $width ) );
}
if ( $height !== false && is_numeric( $height ) ) {
$this -> Append( $this->kbyte( 29 ) . "h" . $this->kbyte( $height ) );
}
if ( $text !== false ) {
if ( $text == 'none' ) $text = 0;
if ( $text == 'above' ) $text = 1;
if ( $text == 'below' ) $text = 2;
if ( $text == 'both' ) $text = 3;
$this -> Append( $this->kbyte( 29 ) . "H" . $this->kbyte( $text ) );
}
if ( $font !== false && is_numeric( $font ) ) {
$this -> Append( $this->kbyte( 29 ) . "f" . $this->kbyte( $font ) );
}
return true;
}
// Barcode
// =======
// $system: string (system)
// $barcode: string (corresponding number of characters)
public function Barcode( $barcode, $system = 'UPC-A', $n_chars = '0' ) {
if ( $this -> handle == false ) return false;
if ( $this -> pcp_barcode != true ) return false;
$system = strtoupper( $system );
switch ( $system ) {
case 'UPC-A':
$m = $this->kbyte( 65 );
if ( $n_chars > 12 ) $n = $this->kbyte( 12 );
elseif ( $n_chars < 11 ) $n = $this->kbyte( 11 );
else $n = $this->kbyte( $n_chars );
break;
case 'UPC-E':
$m = $this->kbyte( 66 );
if ( $n_chars > 12 ) $n = $this->kbyte( 12 );
elseif ( $n_chars < 11 ) $n = $this->kbyte( 11 );
else $n = $this->kbyte( $n_chars );
break;
case 'JAN13':
case 'EAN13':
$m = $this->kbyte( 67 );
if ( $n_chars > 13 ) $n = $this->kbyte( 13 );
elseif ( $n_chars < 12 ) $n = $this->kbyte( 12 );
else $n = $this->kbyte( $n_chars );
break;
case 'JAN8':
case 'EAN8':
$m = $this->kbyte( 68 );
if ( $n_chars > 8 ) $n = $this->kbyte( 8 );
elseif ( $n_chars < 7 ) $n = $this->kbyte( 7 );
else $n = $this->kbyte( $n_chars );
break;
case 'CODE39':
$m = $this->kbyte( 69 );
if ( $n_chars > 255 ) $n = $this->kbyte( 255 );
elseif ( $n_chars < 1 ) $n = $this->kbyte( 1 );
else $n = $this->kbyte( $n_chars );
break;
case 'ITF':
$m = $this->kbyte( 70 );
if ( $n_chars > 255 ) $n = $this->kbyte( 255 );
elseif ( $n_chars < 1 ) $n = $this->kbyte( 1 );
else $n = $this->kbyte( $n_chars );
break;
case 'CODABAR':
case 'NW7':
$m = $this->kbyte( 71 );
if ( $n_chars > 255 ) $n = $this->kbyte( 255 );
elseif ( $n_chars < 1 ) $n = $this->kbyte( 1 );
else $n = $this->kbyte( $n_chars );
break;
case 'CODE93':
$m = $this->kbyte( 72 );
if ( $n_chars > 255 ) $n = $this->kbyte( 255 );
elseif ( $n_chars < 1 ) $n = $this->kbyte( 1 );
else $n = $this->kbyte( $n_chars );
break;
case 'CODE128':
$m = $this->kbyte( 72 );
if ( $n_chars > 255 ) $n = $this->kbyte( 255 );
elseif ( $n_chars < 2 ) $n = $this->kbyte( 2 );
else $n = $this->kbyte( $n_chars );
break;
default:
$this -> error( 'Unknown barcode system.' );
return false;
}
$this -> Append( $this->kbyte( 29 ) . "k" . $m . $n . $barcode );
return true;
}
// Send & Print Image
// ==================
// $bit_array: BitArrayGtk / BitArrayGD object
//
// or
//
// $path: string (image path [*.png, *.jpg, *.bmp])
public function Image( $bit_array = false, $path = false ) {
if ( $this -> handle == false ) return false;
if ( $bit_array == false && $path == false ) return false;
if ( $this -> pcp_logo != true ) return false;
if ( $bit_array == false ) {
// Check File
// ==========
if ( !file_exists( $path ) ) {
$this -> error( 'Invalid file path!' );
return false;
}
if ( class_exists( 'BitArrayGtk' ) ) {
$bit_array = new BitArrayGtk( $path );
}elseif ( class_exists( 'BitArrayGD' ) ) {
$bit_array = new BitArrayGD( $path );
}else {
$this -> error( 'Please load the PHP-GTK or the GD module.' );
return false;
}
}
// Check Bit-Array!
// ================
if ( $bit_array -> width == false or $bit_array -> height == false or
!is_array( $bit_array -> dots ) ) {
$this -> error( 'Invalid bit-array data!' );
return false;
}
// Prepare For Printing Image
// ==========================
$this -> Output(); // empty buffer
$this -> Append( $this->kbyte( 27 ) . "3" . $this->kbyte( 24 ) ); // 24 dot line spacing
// Calculate Low and High bytes [width = nL + (nH * 256)]
// ======================================================
$nhigh = substr( $bit_array -> width / 256, 0, 1 );
$nlow = $bit_array -> width - ( $nhigh * 256 );
// Process 24-bit-wise
// ===================
$offset = '0';
while ( $offset < $bit_array -> height ) { // walk through lines
$this -> Append( $this->kbyte( 27 ) . "*" . $this->kbyte( 33 ) ); // 24 dot double density
$this -> Append( $this->kbyte( $nlow ) . $this->kbyte( $nhigh ) ); // low byte and high byte
for ( $x = 0; $x < $bit_array -> width; ++$x ) { // walk through columns
for ( $k = 0; $k < 3; ++$k ) { // 24 dots = 24 bits = 3 bytes ($k)
$byte = 0; // start a byte
for ( $b = 0; $b < 8; ++$b ) { // 1 byte = 8 bits ($b)
$y = ( ( ( $offset / 8 ) + $k ) * 8 ) + $b; // calculate $y position
$i = ( $y * $bit_array -> width ) + $x; // calculate pixel position
// check if bit exists, if not, zero it
// ====================================
if ( isset( $bit_array -> dots[$i] ) ) $bit = $bit_array -> dots[$i];
else $bit = '0';
$byte |= $bit << ( 7 - $b ); // shift bit and record byte
}
$this -> Append( $this->kbyte( $byte ) ); // attach the byte
}
}
$offset += 24;
$this -> Append( $this->kbyte( 10 ) ); // line feed
}
// Finish
// ======
$this -> Append( $this->kbyte( 27 ) . "2" ); // reset line spacing
$cached_file = explode( '/', $path );
$cached_file = $cached_file[count( $cached_file ) -1];
if ( !file_exists( "../img/old/cache/".substr( $cached_file, 0, -3 )."bit" ) ) {
$fp = fopen( "../img/old/cache/".substr( $cached_file, 0, -3 )."bit", "w" );
fwrite( $fp, $this->document );
fclose( $fp );
}
$this -> Output(); // send to printer
}
// Print Buffer
// ============
public function kbyte($val){
return pack('C', $val);
}
public function Output() {
if ( $this -> handle == false ) return false;
if ( $this -> document == false ) return false;
if ( $this -> output == 'printer_system' ) {
// Print Through Printer System
// ============================
if ( $this -> os == "windows" ) {
// Windows
// =======
if ( printer_write( $this -> handle, $this -> document ) == false ) {
$this -> error( 'Couldn\'t write to the printer.' );
return false;
}
} else {
// Unix, CUPS
// ==========
$command = 'lpr -P "' . $this -> printer . '"';
$pipe = popen( "$command" , 'w' );
if ( !$pipe ) {
$this -> error( 'Pipe failed.' );
return false;
}
fputs( $pipe, $this -> document );
pclose( $pipe );
}
}else {
// Print On Port Directly
// ======================
if ( fwrite( $this -> handle, $this -> document ) == false ) {
$this -> error( 'Couldn\'t write to the printer.' );
return false;
}
}
$this -> document = false;
return true;
}
// Close Printer
// =============
public function Close( $print = true ) {
if ( $this -> handle == false ) return false;
if ( $print == true ) $this -> Output();
if ( $this -> output == 'printer_system' && $this -> os == 'windows' ) {
printer_close( $this -> handle );
}elseif ( $this -> output == 'port' ) {
fclose( $this -> handle );
}
$this -> handle = false;
}
// Destructor
// ==========
public function __destruct() {
$this -> Close( false );
}
}
// Create Bit Array (GTK-Version)
// =================================
// This class uses PHP-GTK's image
// manipulation functions to produce
// a bit array that can be converted
// into Epson's bit image standard.
if ( class_exists( 'gtk' ) ) {
class BitArrayGtk {
var $dots;
var $width;
var $height;
public function __construct( $path ) {
if ( !file_exists( $path ) ) {
$this -> width = false;
$this -> height = false;
$this -> dots = false;
}else {
$pixbuf = GdkPixbuf::new_from_file( $path );
$this -> width = $pixbuf -> get_width();
$this -> height = $pixbuf -> get_height();
$this -> dots = array();
// Check & Store Pixels
// ====================
if ( $this -> width > 575 ) $this -> width = 575; // crop image if needed
for ( $hi = 0; $hi < $this -> height; $hi++ ) {
for ( $wi = 0; $wi < $this -> width; $wi++ ) {
$pixel = $pixbuf -> get_pixel( $wi, $hi );
if ( $pixel !== false ) {
$r = ( $pixel & 0xff000000 ) >> 24;
$g = ( $pixel & 0x00ff0000 ) >> 16;
$b = ( $pixel & 0x0000ff00 ) >> 8;
$a = ( $pixel & 0x000000ff );
if ( $r < 0 ) $r = 256 + $r;
// White composes itself of R255, G255 and B255.
// I'm using 200 to avoid problems with JPEG
// compressed images. Everything with a lower value
// will be interpreted as black (normally R0, G0, B0).
if ( $r > 200 && $g > 200 && $b > 200 ) $this -> dots[] = '0';
else $this -> dots[] = '1';
}
}
}
}
}
}
}
// Create Bit Array (GD-Version)
// =================================
// This class uses PHP's GD image
// manipulation functions to produce
// a bit array that can be converted
// into Epson's bit image standard.
if ( extension_loaded( 'gd' ) ) {
class BitArrayGD {
var $dots;
var $width;
var $height;
public function BitArrayGD( $path ) {
if ( !file_exists( $path ) ) {
$this -> width = false;
$this -> height = false;
$this -> dots = false;
}else {
list( $width, $height, $type, $attr ) = getimagesize( $path );
$continue = true;
switch ( $type ) {
case IMG_JPG:
$im = imagecreatefromjpeg( $path );
break;
case IMG_PNG:
$im = imagecreatefrompng( $path );
break;
case IMG_WBMP:
$im = imagecreatefromwbmp( $path );
break;
default:
echo "ERROR: Invalid image file type.\n";
$this -> width = false;
$this -> height = false;
$this -> dots = false;
$continue = false;
}
if ( $continue == true ) {
$this -> width = $width;
$this -> height = $height;
$this -> dots = array();
// Check & Store Pixels
// ====================
if ( $this -> width > 575 ) $this -> width = 575; // crop image
for ( $hi = 0; $hi < $this -> height; $hi++ ) {
for ( $wi = 0; $wi < $this -> width; $wi++ ) {
$pixel = imagecolorat( $im, $wi, $hi );
$rgb = imagecolorsforindex( $im, $pixel );
if ( $rgb['red'] < 0 ) $rgb['red'] = 256 + $rgb['red'];
// White composes itself of R255, G255 and B255.
// I'm using 200 to avoid problems with JPEG
// compressed images. Everything with a lower value
// will be interpreted as black (normally R0, G0, B0).
if ( $rgb['red'] > 200 && $rgb['green'] > 200 && $rgb['blue'] > 200 ) $this -> dots[] = '0';
else $this -> dots[] = '1';
}
}
}
}
}
}
}
Raw
PrintManagment.php
<?php
// ...
/**
* printFile method
* Print in file
*
* @access public
* @return void
* @since 2.2
* @version 2.2
* @author Patrick Maciel
* @throws Patrick Maciel
*/
public function printFile()
{
$file = '';
$file.= "\n\n";
$file.= "\n===============================================================================\n\n";
$par = 1;
$length1 = 0;
$length2 = 0;
$spaces = 0;
$max = 72;
foreach ( $this->infs as $obj ) {
if ($par == 1) {
$file.= "{$obj->label}: {$obj->value}";
$length1 = strlen("{$obj->label}: {$obj->value}");
$par++;
} else {
$length2 = strlen("{$obj->label}: {$obj->value}");
$file.= str_repeat(" ", (50 - ($length1)));
$file.= "{$obj->label}: {$obj->value} \n";
$par = 1;
}
}
$file.= "\n-------------------------------------------------------------------------------\n";
$file.= "QTY ITEM ";
$file.= str_repeat(" ", 40);
$file.= "PRICE ";
$file.= str_repeat(" ", 16);
$file.= "AMOUNT \n";
foreach ( $this->itens as $obj ) {
$file.= "{$obj[0]}";
$file.= str_repeat(" ", (5 - strlen($obj[0])));
$file.= "{$obj[1]}";
$file.= str_repeat(" ", (45 - strlen($obj[1])));
$file.= "{$obj[2]}";
$file.= str_repeat(" ", (22 - strlen($obj[2])));
$file.= "{$obj[3]} \n";
}
$file.= "\n-------------------------------------------------------------------------------\n";
foreach ( $this->summary as $obj ) {
$file.= str_repeat(" ", 51);
$file.= $obj->label;
$file.= str_repeat(" ", (22 - strlen($obj->label)));
$file.= $obj->value;
$file.= "\n";
}
$file.= "\n-------------------------------------------------------------------------------\n";
$file.= "\n";
$file.= str_repeat(" ", 51);
$file.= $this->messages[0]->message . "\n";
$file.= "\n===============================================================================\n\n";
$file.= "\n\n";
$file.= "\n";
$fh = fopen('C:/workspace/spool.txt', 'a');
fwrite($fh, $file);
fclose($fh);
// file_put_contents('C:/workspace/spool.txt', $file);
}
Raw
spool.txt
===============================================================================
Table: 14 Check: 381718
Party: 2 Waiter: team01
Date: 11/27/2013 11:27:09
-------------------------------------------------------------------------------
QTY ITEM PRICE AMOUNT
1 Amstel Light 6.00 6.00
3 Blue Moon 6.00 18.00
-------------------------------------------------------------------------------
Total 24
Tax 1.44
Amount Due 25.44
-------------------------------------------------------------------------------
18% SUGGESTED TIP: 4.32
===============================================================================
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