PHP Mike42\Escpos EscposImage::getHeight Examples

getHeight() public method

public getHeight ( ) : integer
return	integer	height of the image in pixels

Example #1

File: Escpos.php Project: brndwgn/escpos-php

 /**
  * Print an image to the printer.
  * 
  * Size modifiers are:
  * - IMG_DEFAULT (leave image at original size)
  * - IMG_DOUBLE_WIDTH
  * - IMG_DOUBLE_HEIGHT
  * 
  * See the example/ folder for detailed examples.
  * 
  * The function bitImage() takes the same parameters, and can be used if
  * your printer doesn't support the newer graphics commands.
  * 
  * @param EscposImage $img The image to print.
  * @param int $size Output size modifier for the image.
  */
 function graphics(EscposImage $img, $size = self::IMG_DEFAULT)
 {
     self::validateInteger($size, 0, 3, __FUNCTION__);
     $imgHeader = self::dataHeader(array($img->getWidth(), $img->getHeight()), true);
     $tone = '0';
     $colors = '1';
     $xm = ($size & self::IMG_DOUBLE_WIDTH) == self::IMG_DOUBLE_WIDTH ? chr(2) : chr(1);
     $ym = ($size & self::IMG_DOUBLE_HEIGHT) == self::IMG_DOUBLE_HEIGHT ? chr(2) : chr(1);
     $header = $tone . $xm . $ym . $colors . $imgHeader;
     $this->wrapperSendGraphicsData('0', 'p', $header . $img->toRasterFormat());
     $this->wrapperSendGraphicsData('0', '2');
 }