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font8x8

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write_text
ssd & nju demo
This commit is contained in:
Bartosz Kościów 2017-06-10 20:50:23 +02:00
parent 7f9b7c9d8f
commit fe507357f6
12 changed files with 277 additions and 5 deletions
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16
gfxlcd/abstract/chip.py
View File

@ -11,6 +11,7 @@ class Chip(metaclass=abc.ABCMeta):
self._height = height
self.driver = driver
self.options['auto_flush'] = auto_flush
self.options['font'] = None
@property
def width(self):
@ -72,6 +73,16 @@ class Chip(metaclass=abc.ABCMeta):
"""set auto_flush"""
self.options['auto_flush'] = bool(value)
@property
def font(self):
"""get current font"""
return self.options['font']
@font.setter
def font(self, font):
"""set ttf font"""
self.options['font'] = font
@abc.abstractmethod
def init(self):
"""init a chipset"""
@ -111,3 +122,8 @@ class Chip(metaclass=abc.ABCMeta):
def draw_image(self, pos_x, pos_y, image):
"""draw a PIL image"""
pass
@abc.abstractmethod
def draw_text(self, pos_x, pos_y, text):
"""draw a text"""
pass

19
gfxlcd/abstract/font.py Normal file
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@ -0,0 +1,19 @@
"""Font abstract"""
import abc
class Font(metaclass=abc.ABCMeta):
font = [] # Dictionary with hex that describe each char
size = (0, 0)
def __init__(self):
pass
def get(self, letter):
"""return array with letter"""
return self.font[ord(letter)]
@property
def size(self):
"""get font size"""
return self.size

8
gfxlcd/demos/nju_3.py
View File

@ -1,5 +1,6 @@
import RPi.GPIO
import sys
from PIL import Image
sys.path.append("../../")
from gfxlcd.driver.nju6450.gpio import GPIO
from gfxlcd.driver.nju6450.nju6450 import NJU6450
@ -21,6 +22,11 @@ lcd.draw_line(x, y-3, x-3, y+2)
lcd.draw_line(x, y-3, x+3, y+2)
lcd.draw_arc(x, y, 3, 45, 135)
lcd.fill_rect(0, 0, 5, 10)
# lcd.fill_rect(0, 0, 5, 10)
image_file = Image.open("assets/20x20.png")
lcd.threshold = 0
lcd.draw_image(0, 0, image_file)
lcd.flush(True)

22
gfxlcd/demos/nju_text.py Normal file
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@ -0,0 +1,22 @@
import RPi.GPIO
import sys
from PIL import Image
sys.path.append("../../")
from gfxlcd.driver.nju6450.gpio import GPIO
from gfxlcd.driver.nju6450.nju6450 import NJU6450
RPi.GPIO.setmode(RPi.GPIO.BCM)
lcd = NJU6450(122, 32, GPIO())
lcd.rotation = 0
lcd.init()
lcd.auto_flush = False
lcd.draw_text(25, 1, "Star Wars")
lcd.draw_text(30, 10, "Death Star")
image_file = Image.open("assets/20x20.png")
lcd.threshold = 0
lcd.draw_image(0, 0, image_file)
lcd.flush(True)

10
gfxlcd/demos/ssd_3.py
View File

@ -1,13 +1,13 @@
import RPi.GPIO
import sys
import random
from PIL import Image
sys.path.append("../../")
from gfxlcd.driver.ssd1306.spi import SPI
from gfxlcd.driver.ssd1306.ssd1306 import SSD1306
RPi.GPIO.setmode(RPi.GPIO.BCM)
lcd_oled = SSD1306(128, 64, SPI())
lcd_oled.rotation = 90
lcd_oled.rotation = 270
lcd_oled.init()
lcd_oled.auto_flush = False
@ -20,6 +20,10 @@ lcd_oled.draw_line(x, y-5, x-4, y+6)
lcd_oled.draw_line(x, y-5, x+4, y+6)
lcd_oled.draw_arc(x, y+3, 5, 45, 135)
lcd_oled.fill_rect(0, 0, 10, 10)
# lcd_oled.fill_rect(0, 0, 10, 10)
image_file = Image.open("assets/20x20.png")
lcd_oled.threshold = 0
lcd_oled.draw_image(0, 0, image_file)
lcd_oled.flush(True)

22
gfxlcd/demos/ssd_text.py Normal file
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@ -0,0 +1,22 @@
import RPi.GPIO
import sys
from PIL import Image
sys.path.append("../../")
from gfxlcd.driver.ssd1306.spi import SPI
from gfxlcd.driver.ssd1306.ssd1306 import SSD1306
RPi.GPIO.setmode(RPi.GPIO.BCM)
lcd = SSD1306(128, 64, SPI())
lcd.rotation = 0
lcd.init()
lcd.auto_flush = False
lcd.draw_text(25, 1, "Star Wars")
lcd.draw_text(30, 10, "Death Star")
image_file = Image.open("assets/20x20.png")
lcd.threshold = 0
lcd.draw_image(0, 0, image_file)
lcd.flush(True)

19
gfxlcd/drawing/pixel.py
View File

@ -136,3 +136,22 @@ class Pixel(object):
appendix = (appendix + 1) * -1
return appendix
def draw_text(self, pos_x, pos_y, text):
"""draw a text"""
font = self.options['font']
idx = 0
for letter in text:
self._draw_letter(pos_x + idx, pos_y, letter)
idx += font.size[0]
def _draw_letter(self, pos_x, pos_y, letter):
"""draw a letter"""
font = self.options['font']
bits = font.size[0]
for row, data in enumerate(font.get(letter)):
for bit in range(bits):
if data & 0x01:
self.draw_pixel(pos_x + bit, pos_y + row)
data >>= 1

2
gfxlcd/driver/nju6450/nju6450.py
View File

@ -1,6 +1,7 @@
"""NJU6450 chip"""
from gfxlcd.drawing.page import Page
from gfxlcd.abstract.chip import Chip
from gfxlcd.font.font8x8 import Font8x8
class NJU6450(Page, Chip):
@ -9,6 +10,7 @@ class NJU6450(Page, Chip):
Chip.__init__(self, width, height, driver, auto_flush)
Page.__init__(self, driver)
self.rotation = 0
self.options['font'] = Font8x8()
def init(self):
"""initialize display"""

2
gfxlcd/driver/ssd1306/ssd1306.py
View File

@ -1,6 +1,7 @@
"""SSD1306 chip driver"""
from gfxlcd.drawing.page import Page
from gfxlcd.abstract.chip import Chip
from gfxlcd.font.font8x8 import Font8x8
class SSD1306(Page, Chip):
@ -28,6 +29,7 @@ class SSD1306(Page, Chip):
Chip.__init__(self, width, height, driver, auto_flush)
Page.__init__(self, driver)
self.rotation = 0
self.options['font'] = Font8x8()
def init(self):
"""inits a device"""

1
gfxlcd/font/__init__.py Normal file
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@ -0,0 +1 @@
__author__ = 'kosci'

148
gfxlcd/font/font8x8.py Normal file
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@ -0,0 +1,148 @@
from gfxlcd.abstract.font import Font
class Font8x8(Font):
"""Font 8x8"""
size = (8, 8)
font = [
[0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00], # U+0000 (nul)
[0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00], # U+0001
[0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00], # U+0002
[0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00], # U+0003
[0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00], # U+0004
[0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00], # U+0005
[0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00], # U+0006
[0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00], # U+0007
[0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00], # U+0008
[0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00], # U+0009
[0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00], # U+000A
[0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00], # U+000B
[0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00], # U+000C
[0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00], # U+000D
[0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00], # U+000E
[0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00], # U+000F
[0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00], # U+0010
[0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00], # U+0011
[0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00], # U+0012
[0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00], # U+0013
[0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00], # U+0014
[0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00], # U+0015
[0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00], # U+0016
[0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00], # U+0017
[0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00], # U+0018
[0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00], # U+0019
[0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00], # U+001A
[0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00], # U+001B
[0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00], # U+001C
[0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00], # U+001D
[0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00], # U+001E
[0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00], # U+001F
[0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00], # U+0020 (space)
[0x18, 0x3C, 0x3C, 0x18, 0x18, 0x00, 0x18, 0x00], # U+0021 (!)
[0x36, 0x36, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00], # U+0022 (")
[0x36, 0x36, 0x7F, 0x36, 0x7F, 0x36, 0x36, 0x00], # U+0023 (#)
[0x0C, 0x3E, 0x03, 0x1E, 0x30, 0x1F, 0x0C, 0x00], # U+0024 ($)
[0x00, 0x63, 0x33, 0x18, 0x0C, 0x66, 0x63, 0x00], # U+0025 (%)
[0x1C, 0x36, 0x1C, 0x6E, 0x3B, 0x33, 0x6E, 0x00], # U+0026 (&)
[0x06, 0x06, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00], # U+0027 (')
[0x18, 0x0C, 0x06, 0x06, 0x06, 0x0C, 0x18, 0x00], # U+0028 (()
[0x06, 0x0C, 0x18, 0x18, 0x18, 0x0C, 0x06, 0x00], # U+0029 ())
[0x00, 0x66, 0x3C, 0xFF, 0x3C, 0x66, 0x00, 0x00], # U+002A (*)
[0x00, 0x0C, 0x0C, 0x3F, 0x0C, 0x0C, 0x00, 0x00], # U+002B (+)
[0x00, 0x00, 0x00, 0x00, 0x00, 0x0C, 0x0C, 0x06], # U+002C (,)
[0x00, 0x00, 0x00, 0x3F, 0x00, 0x00, 0x00, 0x00], # U+002D (-)
[0x00, 0x00, 0x00, 0x00, 0x00, 0x0C, 0x0C, 0x00], # U+002E (.)
[0x60, 0x30, 0x18, 0x0C, 0x06, 0x03, 0x01, 0x00], # U+002F (/)
[0x3E, 0x63, 0x73, 0x7B, 0x6F, 0x67, 0x3E, 0x00], # U+0030 (0)
[0x0C, 0x0E, 0x0C, 0x0C, 0x0C, 0x0C, 0x3F, 0x00], # U+0031 (1)
[0x1E, 0x33, 0x30, 0x1C, 0x06, 0x33, 0x3F, 0x00], # U+0032 (2)
[0x1E, 0x33, 0x30, 0x1C, 0x30, 0x33, 0x1E, 0x00], # U+0033 (3)
[0x38, 0x3C, 0x36, 0x33, 0x7F, 0x30, 0x78, 0x00], # U+0034 (4)
[0x3F, 0x03, 0x1F, 0x30, 0x30, 0x33, 0x1E, 0x00], # U+0035 (5)
[0x1C, 0x06, 0x03, 0x1F, 0x33, 0x33, 0x1E, 0x00], # U+0036 (6)
[0x3F, 0x33, 0x30, 0x18, 0x0C, 0x0C, 0x0C, 0x00], # U+0037 (7)
[0x1E, 0x33, 0x33, 0x1E, 0x33, 0x33, 0x1E, 0x00], # U+0038 (8)
[0x1E, 0x33, 0x33, 0x3E, 0x30, 0x18, 0x0E, 0x00], # U+0039 (9)
[0x00, 0x0C, 0x0C, 0x00, 0x00, 0x0C, 0x0C, 0x00], # U+003A (:)
[0x00, 0x0C, 0x0C, 0x00, 0x00, 0x0C, 0x0C, 0x06], # U+003B (# )
[0x18, 0x0C, 0x06, 0x03, 0x06, 0x0C, 0x18, 0x00], # U+003C (<)
[0x00, 0x00, 0x3F, 0x00, 0x00, 0x3F, 0x00, 0x00], # U+003D (=)
[0x06, 0x0C, 0x18, 0x30, 0x18, 0x0C, 0x06, 0x00], # U+003E (>)
[0x1E, 0x33, 0x30, 0x18, 0x0C, 0x00, 0x0C, 0x00], # U+003F (?)
[0x3E, 0x63, 0x7B, 0x7B, 0x7B, 0x03, 0x1E, 0x00], # U+0040 (@)
[0x0C, 0x1E, 0x33, 0x33, 0x3F, 0x33, 0x33, 0x00], # U+0041 (A)
[0x3F, 0x66, 0x66, 0x3E, 0x66, 0x66, 0x3F, 0x00], # U+0042 (B)
[0x3C, 0x66, 0x03, 0x03, 0x03, 0x66, 0x3C, 0x00], # U+0043 (C)
[0x1F, 0x36, 0x66, 0x66, 0x66, 0x36, 0x1F, 0x00], # U+0044 (D)
[0x7F, 0x46, 0x16, 0x1E, 0x16, 0x46, 0x7F, 0x00], # U+0045 (E)
[0x7F, 0x46, 0x16, 0x1E, 0x16, 0x06, 0x0F, 0x00], # U+0046 (F)
[0x3C, 0x66, 0x03, 0x03, 0x73, 0x66, 0x7C, 0x00], # U+0047 (G)
[0x33, 0x33, 0x33, 0x3F, 0x33, 0x33, 0x33, 0x00], # U+0048 (H)
[0x1E, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x1E, 0x00], # U+0049 (I)
[0x78, 0x30, 0x30, 0x30, 0x33, 0x33, 0x1E, 0x00], # U+004A (J)
[0x67, 0x66, 0x36, 0x1E, 0x36, 0x66, 0x67, 0x00], # U+004B (K)
[0x0F, 0x06, 0x06, 0x06, 0x46, 0x66, 0x7F, 0x00], # U+004C (L)
[0x63, 0x77, 0x7F, 0x7F, 0x6B, 0x63, 0x63, 0x00], # U+004D (M)
[0x63, 0x67, 0x6F, 0x7B, 0x73, 0x63, 0x63, 0x00], # U+004E (N)
[0x1C, 0x36, 0x63, 0x63, 0x63, 0x36, 0x1C, 0x00], # U+004F (O)
[0x3F, 0x66, 0x66, 0x3E, 0x06, 0x06, 0x0F, 0x00], # U+0050 (P)
[0x1E, 0x33, 0x33, 0x33, 0x3B, 0x1E, 0x38, 0x00], # U+0051 (Q)
[0x3F, 0x66, 0x66, 0x3E, 0x36, 0x66, 0x67, 0x00], # U+0052 (R)
[0x1E, 0x33, 0x07, 0x0E, 0x38, 0x33, 0x1E, 0x00], # U+0053 (S)
[0x3F, 0x2D, 0x0C, 0x0C, 0x0C, 0x0C, 0x1E, 0x00], # U+0054 (T)
[0x33, 0x33, 0x33, 0x33, 0x33, 0x33, 0x3F, 0x00], # U+0055 (U)
[0x33, 0x33, 0x33, 0x33, 0x33, 0x1E, 0x0C, 0x00], # U+0056 (V)
[0x63, 0x63, 0x63, 0x6B, 0x7F, 0x77, 0x63, 0x00], # U+0057 (W)
[0x63, 0x63, 0x36, 0x1C, 0x1C, 0x36, 0x63, 0x00], # U+0058 (X)
[0x33, 0x33, 0x33, 0x1E, 0x0C, 0x0C, 0x1E, 0x00], # U+0059 (Y)
[0x7F, 0x63, 0x31, 0x18, 0x4C, 0x66, 0x7F, 0x00], # U+005A (Z)
[0x1E, 0x06, 0x06, 0x06, 0x06, 0x06, 0x1E, 0x00], # U+005B ([)
[0x03, 0x06, 0x0C, 0x18, 0x30, 0x60, 0x40, 0x00], # U+005C (\)
[0x1E, 0x18, 0x18, 0x18, 0x18, 0x18, 0x1E, 0x00], # U+005D (])
[0x08, 0x1C, 0x36, 0x63, 0x00, 0x00, 0x00, 0x00], # U+005E (^)
[0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF], # U+005F (_)
[0x0C, 0x0C, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00], # U+0060 (`)
[0x00, 0x00, 0x1E, 0x30, 0x3E, 0x33, 0x6E, 0x00], # U+0061 (a)
[0x07, 0x06, 0x06, 0x3E, 0x66, 0x66, 0x3B, 0x00], # U+0062 (b)
[0x00, 0x00, 0x1E, 0x33, 0x03, 0x33, 0x1E, 0x00], # U+0063 (c)
[0x38, 0x30, 0x30, 0x3e, 0x33, 0x33, 0x6E, 0x00], # U+0064 (d)
[0x00, 0x00, 0x1E, 0x33, 0x3f, 0x03, 0x1E, 0x00], # U+0065 (e)
[0x1C, 0x36, 0x06, 0x0f, 0x06, 0x06, 0x0F, 0x00], # U+0066 (f)
[0x00, 0x00, 0x6E, 0x33, 0x33, 0x3E, 0x30, 0x1F], # U+0067 (g)
[0x07, 0x06, 0x36, 0x6E, 0x66, 0x66, 0x67, 0x00], # U+0068 (h)
[0x0C, 0x00, 0x0E, 0x0C, 0x0C, 0x0C, 0x1E, 0x00], # U+0069 (i)
[0x30, 0x00, 0x30, 0x30, 0x30, 0x33, 0x33, 0x1E], # U+006A (j)
[0x07, 0x06, 0x66, 0x36, 0x1E, 0x36, 0x67, 0x00], # U+006B (k)
[0x0E, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x1E, 0x00], # U+006C (l)
[0x00, 0x00, 0x33, 0x7F, 0x7F, 0x6B, 0x63, 0x00], # U+006D (m)
[0x00, 0x00, 0x1F, 0x33, 0x33, 0x33, 0x33, 0x00], # U+006E (n)
[0x00, 0x00, 0x1E, 0x33, 0x33, 0x33, 0x1E, 0x00], # U+006F (o)
[0x00, 0x00, 0x3B, 0x66, 0x66, 0x3E, 0x06, 0x0F], # U+0070 (p)
[0x00, 0x00, 0x6E, 0x33, 0x33, 0x3E, 0x30, 0x78], # U+0071 (q)
[0x00, 0x00, 0x3B, 0x6E, 0x66, 0x06, 0x0F, 0x00], # U+0072 (r)
[0x00, 0x00, 0x3E, 0x03, 0x1E, 0x30, 0x1F, 0x00], # U+0073 (s)
[0x08, 0x0C, 0x3E, 0x0C, 0x0C, 0x2C, 0x18, 0x00], # U+0074 (t)
[0x00, 0x00, 0x33, 0x33, 0x33, 0x33, 0x6E, 0x00], # U+0075 (u)
[0x00, 0x00, 0x33, 0x33, 0x33, 0x1E, 0x0C, 0x00], # U+0076 (v)
[0x00, 0x00, 0x63, 0x6B, 0x7F, 0x7F, 0x36, 0x00], # U+0077 (w)
[0x00, 0x00, 0x63, 0x36, 0x1C, 0x36, 0x63, 0x00], # U+0078 (x)
[0x00, 0x00, 0x33, 0x33, 0x33, 0x3E, 0x30, 0x1F], # U+0079 (y)
[0x00, 0x00, 0x3F, 0x19, 0x0C, 0x26, 0x3F, 0x00], # U+007A (z)
[0x38, 0x0C, 0x0C, 0x07, 0x0C, 0x0C, 0x38, 0x00], # U+007B ([)
[0x18, 0x18, 0x18, 0x00, 0x18, 0x18, 0x18, 0x00], # U+007C (|)
[0x07, 0x0C, 0x0C, 0x38, 0x0C, 0x0C, 0x07, 0x00], # U+007D (])
[0x6E, 0x3B, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00], # U+007E (~)
[0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00] # U+007F
]

13
readme.md
View File

@ -13,7 +13,7 @@ Supported:
And for touch panels:
- ad7843 via SPI, uses irq or not
- ad7866/xpt2046
- ad7846/xpt2046
On NJU and SSD uses buffer to keep current content as help for page operations.
@ -131,6 +131,8 @@ fill_rect(x1, y1, x2, y2)
draw_image(x, y, PIL.Image)
draw_text(x, y, text)
Colours
===
lcd.color = (r, g, b)
@ -141,6 +143,15 @@ lcd.threshold = 255 - for images a threshold between black and white (on monochr
lcd.transparency_color = [110, 57] #110 - color(s) that are skipped during drawing an image
Fonts
===
Font class implements Font abstract and is a class that has a dictionary with each char:
(..)
[0x3C, 0x66, 0x03, 0x03, 0x73, 0x66, 0x7C, 0x00], # U+0047 (G)
(..)
There is one font for now, 8x8 and named **Font8x8** and is used by default.
Touch panels
===