def get_char(self, char, color):
log.critical("Generate char %s %s", repr(char), color)
try:
char_data = self.chars_dict[char]
except KeyError:
log.log(99, "Error: character %s is not in CHARS_DICT !",
repr(char))
# return self._generate_char(char="?", color=color)
return self.get_char(char="?", color=color)
foreground, background = get_hex_color(color)
foreground = "#%s" % foreground
background = "#%s" % background
img = tkinter.PhotoImage(width=self.width_scaled,
height=self.height_scaled)
# Fill the character pixels without padding
for y, line in enumerate(char_data):
for x, bit in enumerate(line):
if bit == BACKGROUND_CHAR:
color = background
else:
assert bit == FOREGROUND_CHAR
color = foreground
img.put(color, (x, y))
# resize the character
if self.scale_factor > 1:
img = img.zoom(self.scale_factor, self.scale_factor)
return img
def get_char(self, char, color):
log.critical("Generate char %s %s", repr(char), color)
try:
char_data = self.chars_dict[char]
except KeyError:
log.log(99, "Error: character %s is not in CHARS_DICT !", repr(char))
# return self._generate_char(char="?", color=color)
return self.get_char(char="?", color=color)
foreground, background = get_hex_color(color)
foreground = "#%s" % foreground
background = "#%s" % background
img = tkinter.PhotoImage(
width=self.width_scaled,
height=self.height_scaled
)
# Fill the character pixels without padding
for y, line in enumerate(char_data):
for x, bit in enumerate(line):
if bit == BACKGROUND_CHAR:
color = background
else:
assert bit == FOREGROUND_CHAR
color = foreground
img.put(color, (x, y))
# resize the character
if self.scale_factor > 1:
img = img.zoom(self.scale_factor, self.scale_factor)
return img
def __init__(self, root):
self.rows = 32
self.columns = 16
scale_factor = 2 # scale the complete Display/Characters
self.tk_font = TkImageFont(CHARS_DICT,
scale_factor) # to generate PhotoImage()
self.total_width = self.tk_font.width_scaled * self.rows
self.total_height = self.tk_font.height_scaled * self.columns
foreground, background = dragon_charmap.get_hex_color(
dragon_charmap.NORMAL)
self.canvas = tkinter.Canvas(
root,
width=self.total_width,
height=self.total_height,
bd=0, # no border
highlightthickness=0, # no highlight border
# bg="#ff0000",
bg="#%s" % background,
)
# Contains the map from Display RAM value to char/color:
self.charmap = get_charmap_dict()
# Cache for the generated Tkinter.PhotoImage() in evry char/color combination:
self.image_cache = {}
# Tkinter.PhotoImage() IDs for image replace with canvas.itemconfigure():
self.images_map = {}
# Create all charachter images on the display and fill self.images_map:
self.init_img = self.tk_font.get_char(char="?",
color=dragon_charmap.INVERTED)
for row in xrange(self.rows + 1):
for column in xrange(self.columns + 1):
x = self.tk_font.width_scaled * row
y = self.tk_font.height_scaled * column
image_id = self.canvas.create_image(
x,
y,
image=self.init_img,
state="normal",
anchor=tkinter.NW # NW == NorthWest
)
# log.critical("Image ID: %s at %i x %i", image_id, x, y)
self.images_map[(x, y)] = image_id
def __init__(self, root):
self.rows = 32
self.columns = 16
scale_factor = 2 # scale the complete Display/Characters
self.tk_font = TkImageFont(CHARS_DICT, scale_factor) # to generate PhotoImage()
self.total_width = self.tk_font.width_scaled * self.rows
self.total_height = self.tk_font.height_scaled * self.columns
foreground, background = dragon_charmap.get_hex_color(dragon_charmap.NORMAL)
self.canvas = tkinter.Canvas(root,
width=self.total_width,
height=self.total_height,
bd=0, # no border
highlightthickness=0, # no highlight border
# bg="#ff0000",
bg="#%s" % background,
)
# Contains the map from Display RAM value to char/color:
self.charmap = get_charmap_dict()
# Cache for the generated Tkinter.PhotoImage() in evry char/color combination:
self.image_cache = {}
# Tkinter.PhotoImage() IDs for image replace with canvas.itemconfigure():
self.images_map = {}
# Create all charachter images on the display and fill self.images_map:
self.init_img = self.tk_font.get_char(char="?", color=dragon_charmap.INVERTED)
for row in xrange(self.rows + 1):
for column in xrange(self.columns + 1):
x = self.tk_font.width_scaled * row
y = self.tk_font.height_scaled * column
image_id = self.canvas.create_image(x, y,
image=self.init_img,
state="normal",
anchor=tkinter.NW # NW == NorthWest
)
# log.critical("Image ID: %s at %i x %i", image_id, x, y)
self.images_map[(x, y)] = image_id
