""" ESC/POS Commands (Constants) """

# Feed control sequences
CTL_LF    = '\x0a'             # Print and line feed
CTL_FF    = '\x0c'             # Form feed
CTL_CR    = '\x0d'             # Carriage return
CTL_HT    = '\x09'             # Horizontal tab
CTL_VT    = '\x0b'             # Vertical tab
# Printer hardware
HW_INIT   = '\x1b\x40'         # Clear data in buffer and reset modes
HW_SELECT = '\x1b\x3d\x01'     # Printer select
HW_RESET  = '\x1b\x3f\x0a\x00' # Reset printer hardware
# Cash Drawer
CD_KICK_2 = '\x1b\x70\x00'     # Sends a pulse to pin 2 [] 
CD_KICK_5 = '\x1b\x70\x01'     # Sends a pulse to pin 5 [] 
# Paper
PAPER_FULL_CUT  = '\x1d\x56\x00' # Full cut paper
PAPER_PART_CUT  = '\x1d\x56\x01' # Partial cut paper
# Text format   
TXT_NORMAL      = '\x1b\x21\x00' # Normal text
TXT_2HEIGHT     = '\x1b\x21\x10' # Double height text
TXT_2WIDTH      = '\x1b\x21\x20' # Double width text
TXT_UNDERL_OFF  = '\x1b\x2d\x00' # Underline font OFF
TXT_UNDERL_ON   = '\x1b\x2d\x01' # Underline font 1-dot ON
TXT_UNDERL2_ON  = '\x1b\x2d\x02' # Underline font 2-dot ON
TXT_BOLD_OFF    = '\x1b\x45\x00' # Bold font OFF
TXT_BOLD_ON     = '\x1b\x45\x01' # Bold font ON
TXT_FONT_A      = '\x1b\x4d\x00' # Font type A
TXT_FONT_B      = '\x1b\x4d\x01' # Font type B
TXT_ALIGN_LT    = '\x1b\x61\x00' # Left justification
TXT_ALIGN_CT    = '\x1b\x61\x01' # Centering
TXT_ALIGN_RT    = '\x1b\x61\x02' # Right justification
# Barcode format
BARCODE_TXT_OFF = '\x1d\x48\x00' # HRI barcode chars OFF
BARCODE_TXT_ABV = '\x1d\x48\x01' # HRI barcode chars above
BARCODE_TXT_BLW = '\x1d\x48\x02' # HRI barcode chars below
BARCODE_TXT_BTH = '\x1d\x48\x03' # HRI barcode chars both above and below
BARCODE_FONT_A  = '\x1d\x66\x00' # Font type A for HRI barcode chars
BARCODE_FONT_B  = '\x1d\x66\x01' # Font type B for HRI barcode chars
BARCODE_HEIGHT  = '\x1d\x68\x64' # Barcode Height [1-255]
BARCODE_WIDTH   = '\x1d\x77\x03' # Barcode Width  [2-6]
BARCODE_UPC_A   = '\x1d\x6b\x00' # Barcode type UPC-A
BARCODE_UPC_E   = '\x1d\x6b\x01' # Barcode type UPC-E
BARCODE_EAN13   = '\x1d\x6b\x02' # Barcode type EAN13
BARCODE_EAN8    = '\x1d\x6b\x03' # Barcode type EAN8
BARCODE_CODE39  = '\x1d\x6b\x04' # Barcode type CODE39
BARCODE_ITF     = '\x1d\x6b\x05' # Barcode type ITF
BARCODE_NW7     = '\x1d\x6b\x06' # Barcode type NW7
# Image format  
S_RASTER_N      = '\x1d\x76\x30\x00' # Set raster image normal size
S_RASTER_2W     = '\x1d\x76\x30\x01' # Set raster image double width
S_RASTER_2H     = '\x1d\x76\x30\x02' # Set raster image double height
S_RASTER_Q      = '\x1d\x76\x30\x03' # Set raster image quadruple