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<?php |
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namespace Thermal\Profile; |
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use Thermal\Printer; |
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use Thermal\Buffer\Encoding; |
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use Thermal\Connection\Connection; |
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abstract class Profile |
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{ |
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private $columns; |
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protected $capabilities; |
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private $connection; |
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private $font; |
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private $default_font; |
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private $encoding; |
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public function __construct($capabilities) |
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{ |
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$this->capabilities = $capabilities; |
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$this->columns = $this->getDefaultColumns(); |
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$this->default_font = $this->findDefaultFont(); |
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$this->font = $this->getDefaultFont(); |
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$this->connection = null; |
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$this->encoding = new Encoding($this->getDefaultCodePage()); |
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} |
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public function getName() |
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{ |
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return $this->capabilities['name']; |
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} |
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public function getDefaultColumns() |
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{ |
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return $this->capabilities['columns']; |
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} |
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public function getColumns() |
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{ |
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return $this->columns; |
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} |
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public function setColumns($columns) |
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{ |
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$font = ['name' => 'Unknow']; |
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// search for font with more columns |
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// font list must be sorted by their number of columns |
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foreach ($this->capabilities['fonts'] as $font) { |
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if ($columns <= $font['columns']) { |
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break; |
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} |
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} |
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$this->setFont($font); |
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$this->columns = $columns; |
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return $this; |
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} |
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public function getDefaultFont() |
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{ |
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return $this->default_font; |
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} |
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private function findDefaultFont() |
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{ |
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foreach ($this->capabilities['fonts'] as $font) { |
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if ($this->getDefaultColumns() == $font['columns']) { |
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return $font; |
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} |
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} |
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throw new \Exception( |
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sprintf( |
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'Default font with %d columns not found for printer "%s"', |
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$this->getDefaultColumns(), |
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$this->getName() |
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), |
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404 |
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); |
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} |
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public function getCodePages() |
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{ |
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return array_keys($this->capabilities['profile']['codepages']); |
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} |
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public function getDefaultCodePage() |
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{ |
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return $this->capabilities['codepage']; |
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} |
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protected function checkCodePage($codepage) |
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{ |
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if (!isset($this->capabilities['profile']['codepages'][$codepage])) { |
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throw new \Exception( |
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sprintf( |
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'Codepage "%s" not supported for printer "%s"', |
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$codepage, |
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$this->getName() |
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), |
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401 |
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); |
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} |
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return $this; |
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} |
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public function setCodePage($codepage) |
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{ |
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$this->encoding->setCodePage($codepage); |
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$this->checkCodePage($codepage); |
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$this->getConnection()->write($this->capabilities['profile']['codepages'][$codepage]); |
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} |
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public function getFont() |
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{ |
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return $this->font; |
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} |
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public function setFont($font) |
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{ |
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$found = false; |
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$_font = ['name' => 'Unknow']; |
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foreach ($this->capabilities['fonts'] as $_font) { |
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if ($_font['name'] == $font['name']) { |
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$found = true; |
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break; |
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} |
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} |
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if (!$found) { |
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throw new \Exception( |
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sprintf( |
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'Font "%s" not found for printer "%s"', |
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$font['name'], |
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$this->getName() |
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), |
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404 |
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); |
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} |
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if ($this->font['name'] != $_font['name']) { |
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$this->fontChanged($_font, $this->font['name']); |
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} |
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$this->font = $_font; |
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return $this; |
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} |
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protected function fontChanged($new_font, $old_font) |
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{ |
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// ensure current codepage |
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$this->setCodePage($this->encoding->getCodePage(true)); |
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return $this; |
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} |
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public function getConnection() |
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{ |
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if ($this->connection instanceof Connection) { |
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return $this->connection; |
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} |
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throw new \Exception('Connection must be set before priting', 500); |
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} |
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public function setConnection($connection) |
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{ |
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$this->connection = $connection; |
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return $this; |
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} |
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public function initialize() |
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{ |
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if (isset($this->capabilities['profile']['initialize'])) { |
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// ensure defaults |
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$this->getConnection()->write($this->capabilities['profile']['initialize']); |
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} |
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// ensure default codepage |
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$this->setCodePage($this->getDefaultCodePage()); |
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} |
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public function finalize() |
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{ |
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} |
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public function write($text, $styles, $align) |
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{ |
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if ($align !== null) { |
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$this->setAlignment($align); |
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} |
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$this->setMode($styles, true); |
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$this->setStyle(Printer::STYLE_CONDENSED & $styles, true); |
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$this->setStyle(Printer::STYLE_BOLD & $styles, true); |
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$this->setStyle(Printer::STYLE_ITALIC & $styles, true); |
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$this->setStyle(Printer::STYLE_UNDERLINE & $styles, true); |
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$this->getConnection()->write($this->encoding->encode($text, 'UTF-8')); |
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$this->setStyle(Printer::STYLE_UNDERLINE & $styles, false); |
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$this->setStyle(Printer::STYLE_ITALIC & $styles, false); |
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$this->setStyle(Printer::STYLE_BOLD & $styles, false); |
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$this->setStyle(Printer::STYLE_CONDENSED & $styles, false); |
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$this->setMode($styles, false); |
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// reset align to left |
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if ($align !== null && $align != Printer::ALIGN_LEFT) { |
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$this->setAlignment(Printer::ALIGN_LEFT); |
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} |
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return $this; |
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} |
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public function draw($image, $align) |
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{ |
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if ($align !== null) { |
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$this->setAlignment($align); |
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} |
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$width = $image->getWidth(); |
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$low = $width & 0xFF; |
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$high = ($width >> 8) & 0xFF; |
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$this->getConnection()->write("\e3\x10"); |
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for ($i=0; $i < $image->getLines(); $i++) { |
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$data = $image->getLineData($i); |
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$this->getConnection()->write("\e*\x21" . chr($low) . chr($high) . $data . "\eJ\x00"); |
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} |
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$this->getConnection()->write("\e2"); |
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// reset align to left |
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if ($align !== null && $align != Printer::ALIGN_LEFT) { |
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$this->setAlignment(Printer::ALIGN_LEFT); |
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} |
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return $this; |
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} |
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abstract public function feed($lines); |
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abstract public function cutter($mode); |
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abstract public function drawer($number, $on_time, $off_time); |
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abstract protected function setAlignment($align); |
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abstract protected function setMode($mode, $enable); |
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abstract protected function setStyle($style, $enable); |
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} |
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mazinsw /
escpos
