setop/python-escpos
1
0
Fork 0
mirror of https://github.com/python-escpos/python-escpos synced 2025-09-13 09:09:58 +00:00
Code Activity

Refactor of the set method, with tests

Browse Source
This commit is contained in:
Romain Porte
2017-05-14 10:38:21 +02:00
committed by Patrick Kanzler
parent 4b04a5c425
commit a16d6bde06
3 changed files with 387 additions and 137 deletions
Download Patch File Download Diff File Expand all files Collapse all files

124
src/escpos/constants.py
View File

@@ -71,51 +71,90 @@ SHEET_ROLL_MODE = ESC + b'\x63\x30\x01' # paper roll
# Text format
# TODO: Acquire the "ESC/POS Application Programming Guide for Paper Roll
# Printers" and tidy up this stuff too.
TXT_FLIP_ON = ESC + b'\x7b\x01'
TXT_FLIP_OFF = ESC + b'\x7b\x00'
TXT_SMOOTH_ON = GS + b'\x62\x01'
TXT_SMOOTH_OFF = GS + b'\x62\x00'
TXT_SIZE = GS + b'!'
TXT_WIDTH = {1: 0x00,
2: 0x10,
3: 0x20,
4: 0x30,
5: 0x40,
6: 0x50,
7: 0x60,
8: 0x70}
TXT_HEIGHT = {1: 0x00,
2: 0x01,
3: 0x02,
4: 0x03,
5: 0x04,
6: 0x05,
7: 0x06,
8: 0x07}
TXT_NORMAL = ESC + b'!\x00' # Normal text
TXT_2HEIGHT = ESC + b'!\x10' # Double height text
TXT_2WIDTH = ESC + b'!\x20' # Double width text
TXT_4SQUARE = ESC + b'!\x30' # Quad area text
TXT_UNDERL_OFF = ESC + b'\x2d\x00' # Underline font OFF
TXT_UNDERL_ON = ESC + b'\x2d\x01' # Underline font 1-dot ON
TXT_UNDERL2_ON = ESC + b'\x2d\x02' # Underline font 2-dot ON
TXT_BOLD_OFF = ESC + b'\x45\x00' # Bold font OFF
TXT_BOLD_ON = ESC + b'\x45\x01' # Bold font ON
TXT_ALIGN_LT = ESC + b'\x61\x00' # Left justification
TXT_ALIGN_CT = ESC + b'\x61\x01' # Centering
TXT_ALIGN_RT = ESC + b'\x61\x02' # Right justification
TXT_INVERT_ON = GS + b'\x42\x01' # Inverse Printing ON
TXT_INVERT_OFF = GS + b'\x42\x00' # Inverse Printing OFF
TXT_STYLE = {
'bold': {
False: ESC + b'\x45\x00', # Bold font OFF
True: ESC + b'\x45\x01' # Bold font ON
},
'underline': {
0: ESC + b'\x2d\x00', # Underline font OFF
1: ESC + b'\x2d\x01', # Underline font 1-dot ON
2: ESC + b'\x2d\x02' # Underline font 2-dot ON
},
'size': {
'normal': TXT_NORMAL + ESC + b'!\x00', # Normal text
'2h': TXT_NORMAL + ESC + b'!\x10', # Double height text
'2w': TXT_NORMAL + ESC + b'!\x20', # Double width text
'2x': TXT_NORMAL + ESC + b'!\x30' # Quad area text
},
'font': {
'a': ESC + b'\x4d\x00', # Font type A
'b': ESC + b'\x4d\x00' # Font type B
},
'align': {
'left': ESC + b'\x61\x00', # Left justification
'center': ESC + b'\x61\x01', # Centering
'right': ESC + b'\x61\x02' # Right justification
},
'invert': {
True: GS + b'\x42\x01', # Inverse Printing ON
False: GS + b'\x42\x00' # Inverse Printing OFF
},
'color': {
'black': ESC + b'\x72\x00', # Default Color
'red': ESC + b'\x72\x01' # Alternative Color, Usually Red
},
'flip': {
True: ESC + b'\x7b\x01', # Flip ON
False: ESC + b'\x7b\x00' # Flip OFF
},
'density': {
0: GS + b'\x7c\x00', # Printing Density -50%
1: GS + b'\x7c\x01', # Printing Density -37.5%
2: GS + b'\x7c\x02', # Printing Density -25%
3: GS + b'\x7c\x03', # Printing Density -12.5%
4: GS + b'\x7c\x04', # Printing Density 0%
5: GS + b'\x7c\x08', # Printing Density +50%
6: GS + b'\x7c\x07', # Printing Density +37.5%
7: GS + b'\x7c\x06', # Printing Density +25%
8: GS + b'\x7c\x05' # Printing Density +12.5%
},
'smooth': {
True: GS + b'\x62\x01', # Smooth ON
False: GS + b'\x62\x00' # Smooth OFF
},
'height': { # Custom text height
1: 0x00,
2: 0x01,
3: 0x02,
4: 0x03,
5: 0x04,
6: 0x05,
7: 0x06,
8: 0x07
},
'width': { # Custom text width
1: 0x00,
2: 0x10,
3: 0x20,
4: 0x30,
5: 0x40,
6: 0x50,
7: 0x60,
8: 0x70
}
}
# Fonts
SET_FONT = lambda n: ESC + b'\x4d' + n
TXT_FONT_A = SET_FONT(b'\x00') # Font type A
TXT_FONT_B = SET_FONT(b'\x01') # Font type B
# Text colors
TXT_COLOR_BLACK = ESC + b'\x72\x00' # Default Color
TXT_COLOR_RED = ESC + b'\x72\x01' # Alternative Color (Usually Red)
# Spacing
LINESPACING_RESET = ESC + b'2'
LINESPACING_FUNCS = {
@@ -205,14 +244,3 @@ S_RASTER_N = _PRINT_RASTER_IMG(b'\x00') # Set raster image normal size
S_RASTER_2W = _PRINT_RASTER_IMG(b'\x01') # Set raster image double width
S_RASTER_2H = _PRINT_RASTER_IMG(b'\x02') # Set raster image double height
S_RASTER_Q = _PRINT_RASTER_IMG(b'\x03') # Set raster image quadruple
# Printing Density
PD_N50 = GS + b'\x7c\x00' # Printing Density -50%
PD_N37 = GS + b'\x7c\x01' # Printing Density -37.5%
PD_N25 = GS + b'\x7c\x02' # Printing Density -25%
PD_N12 = GS + b'\x7c\x03' # Printing Density -12.5%
PD_0 = GS + b'\x7c\x04' # Printing Density 0%
PD_P50 = GS + b'\x7c\x08' # Printing Density +50%
PD_P37 = GS + b'\x7c\x07' # Printing Density +37.5%
PD_P25 = GS + b'\x7c\x06' # Printing Density +25%
PD_P12 = GS + b'\x7c\x05' # Printing Density +12.5%