def print_raster_graphic_unencoded( printer_socket ):
""" Generate the PCL document containg a raw graphic image.
This sample is a basic implementation injecting raw esc sequences
parameters:
printer_socket : tuple (PRINTER_IP, PRINTER_PORT). On which
socket to print.
"""
print( 'Minimal Raster Graphic printing' )
print( '-------------------------------' )
print( 'Printer IP: %s\nPrinter Port: %i' % printer_socket )
medium = PrinterSocketAdapter( printer_socket )
# Very simple printout + usual initialization commands
d = HpPclDocument( 'cp850', medium)
d.reset_printer() # PCL to reset the printer
d.write( u'Raster Graphic Test' )
# Move the cursor to PCL unit position (300,400) within the PCL
# coordinate system
# x-position: 300 unit @ 300 dot/inch --> 1 inch --> 2.54cm
# y-position: 400 unit @ 300 dot/inch --> 1.33 inch --> 3.38cm
d.cursor_move( (0,50) )
# Set the Raster Graphics resolution (300 dpi)
d.raster_set_resolution(300)
# Raster Graphic Presentation Mode
# -> Orientation of the logical page
d.raster_presentation_mode()
# Start Raster Graphic
# 0 -> At x-position = 0
# 1 -> At current x-position of the cursor position
d.raster_start_graphic( at_current_cursor_pos = True )
# Load the image present in local path
# bitmap_tiny.bmp makes 716 pixels width & 818 pixels height.
# @ raster_set_resolution = 300 dot per inch
# => 2.386 inch width x 2.726 inch width = ~6.060cm x ~6.92cm
image = misc.imread( 'bitmap.bmp', flatten='0' )
print( "Image size (h,w) = (%i,%i)" % (len(image),len(image[0]) ) )
d.raster_senddata_bitmap( image )
# End Raster Graphic
d.raster_end_graphic()
# Move to position
# Move the cursor to PCL unit position (300,400) within the PCL
# coordinate system
d.cursor_move( (0, 50+818+10) ) # New height = Top image positition + image height + 10 dots
d.writeln( u'End of test' )
medium.open() # Open the media for transmission
try:
d.send() # Send the content of the current document
finally:
medium.close()
del( d )
del( medium )
def print_raster_graphic_unencoded( printer_socket ):
""" Generate the PCL document containg a raw graphic image.
This sample is a basic implementation injecting raw esc sequences
parameters:
printer_socket : tuple (PRINTER_IP, PRINTER_PORT). On which
socket to print.
"""
print( 'Minimal Raster Graphic printing' )
print( '-------------------------------' )
print( 'Printer IP: %s\nPrinter Port: %i' % printer_socket )
medium = PrinterSocketAdapter( printer_socket )
# Very simple printout + usual initialization commands
d = HpPclDocument( 'cp850', medium)
d.reset_printer() # PCL to reset the printer
d.write( u'Raster Graphic Test' )
# Move the cursor to PCL unit position (300,400) within the PCL
# coordinate system
# x-position: 300 unit @ 300 dot/inch --> 1 inch --> 2.54cm
# y-position: 400 unit @ 300 dot/inch --> 1.33 inch --> 3.38cm
d.cursor_move( (300,400) )
# Set the Raster Graphics resolution (75 dpi)
d.raster_set_resolution()
# Raster Graphic Presentation Mode
# -> Orientation of the logical page
d.raster_presentation_mode()
# Start Raster Graphic
# 0 -> At x-position = 0
# 1 -> At current x-position of the cursor position
d.raster_start_graphic( at_current_cursor_pos = True )
# sending 5 rows of datas
# Source: "PCL 5 Printer Langage Technical Reference.pdf", page 339
# Raster Image Data Command Data
# Dot
# Row byte 1 byte 2 byte 3 byte 4 Decimal Equivalent
# 1 00000000 00000000 10000000 00000000 <esc>*b4W[0, 0,128, 0]
# 2 00000000 00000000 11000000 00000000 <esc>*b4W[0, 0,192, 0]
# 3 00000000 00000000 11100000 00000000 <esc>*b4W[0, 0,224, 0]
# 4 00000000 00000000 11110000 00000000 <esc>*b4W[0, 0,240, 0]
# 5 00000000 00000000 11111000 00000000 <esc>*b4W[0, 0,248, 0]
# Print the image, stored as list of bit (encoded into string for
# easy code writing, use a space every 8 bits for reading,
# the code space are ignored)
d.raster_senddata_str( ['00000000 00000000 10000000 00000000',
'01100110 00000000 11000000 00000000',
'00100010 01000000 11100000 00000000',
'10000000 10000000 11110000 00000000',
'01111111 00000000 11111000 0000000' ] )
# End Raster Graphic
d.raster_end_graphic()
# Move to position
# Move the cursor to PCL unit position (300,400) within the PCL
# coordinate system
# This example use the 300 dots/inch as refernce for coordonate
# y-pos = under the raster --> 4 cm --> 1.57 inch @ 300 dot/inch --> 472 dots
d.cursor_move( (300, 472) )
d.writeln( u'End of test' )
medium.open() # Open the media for transmission
try:
d.send() # Send the content of the current document
finally:
medium.close()
del( d )
del( medium )