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Generate FIGlet fonts of NanoTiny

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This commit is contained in:
Isaiah Odhner 2023-05-13 00:05:51 -04:00
parent a1365d1a32
commit 024120bc42
4 changed files with 1049 additions and 13 deletions
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309
NanoTiny_v14_2x2.flf Normal file
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flf2a$ 3 2 4 -1 2 0 0 0
NanoTiny 2x2
by Isaiah Odhner
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NanoTiny_v14_4x4.flf Normal file
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flf2a$ 5 4 6 -1 2 0 0 0
NanoTiny 4x4
by Isaiah Odhner
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1
cspell.json
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@ -61,6 +61,7 @@
"setuptools",
"Shft",
"smam",
"Smushing",
"stransi",
"STRINGTABLE",
"textconv",

239
src/textual_paint/repack_font.py
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@ -22,6 +22,181 @@ block_char_lookup = {
0xF: '█',
}
def spacePad(num: int) -> str:
return ' ' * num
def blankLines(num: int, width: int) -> str:
lines = [spacePad(width) for _ in range(num)]
return '\n'.join(lines)
class FIGletFontWriter:
charOrder: list[int] = [ii for ii in range(32, 127)] + [196, 214, 220, 228, 246, 252, 223]
def __init__(
self,
fontName: str,
figChars: dict[int, str],
height: int,
baseline: int,
maxLength: int,
commentLines: list[str],
rightToLeft: bool = False,
horizontalLayout: str = 'Universal Smushing',
verticalLayout: str = 'Universal Smushing',
codeTagCount: int = 0,
hardBlank: str = "$",
endMark: str = "@",
):
self.fontName = fontName
self.figChars: dict[int, str] = figChars
self.height = height
self.baseline = baseline
self.maxLength = maxLength
self.commentLines: list[str] = commentLines
self.rightToLeft = rightToLeft
self.codeTagCount = codeTagCount
self.hardBlank = hardBlank
self.endMark = endMark
self.horizontalLayout = horizontalLayout
self.verticalLayout = verticalLayout
self.hRule = [False] * 7
self.vRule = [False] * 7
self.caseInsensitive = False
def getOldLayoutValue(self) -> int:
val = 0
if self.horizontalLayout == 'Full':
return -1
elif self.horizontalLayout == 'Fitted':
return 0
elif self.horizontalLayout == 'Universal Smushing':
return 0
else:
val += 1 if self.hRule[1] else 0
val += 2 if self.hRule[2] else 0
val += 4 if self.hRule[3] else 0
val += 8 if self.hRule[4] else 0
val += 16 if self.hRule[5] else 0
val += 32 if self.hRule[6] else 0
return val
def getFullLayoutValue(self) -> int:
val = 0
# horizontal rules
if self.horizontalLayout == 'Full':
val += 0
elif self.horizontalLayout == 'Fitted':
val += 64
elif self.horizontalLayout == 'Universal Smushing':
val += 128
else:
val += 128
val += 1 if self.hRule[1] else 0
val += 2 if self.hRule[2] else 0
val += 4 if self.hRule[3] else 0
val += 8 if self.hRule[4] else 0
val += 16 if self.hRule[5] else 0
val += 32 if self.hRule[6] else 0
# vertical rules
if self.verticalLayout == 'Full':
val += 0
elif self.verticalLayout == 'Fitted':
val += 8192
elif self.verticalLayout == 'Universal Smushing':
val += 16384
else:
val += 16384
val += 256 if self.vRule[1] else 0
val += 512 if self.vRule[2] else 0
val += 1024 if self.vRule[3] else 0
val += 2048 if self.vRule[4] else 0
val += 4096 if self.vRule[5] else 0
return val
def generateFigFontHeader(self) -> str:
header: list[str] = []
baseline = self.baseline
if not baseline:
baseline = self.height
baseline = int(baseline)
if baseline <= 0 or baseline > self.height:
baseline = self.height
header.append('flf2a' + self.hardBlank)
header.append(str(self.height))
header.append(str(baseline))
header.append(str(self.maxLength))
header.append(str(self.getOldLayoutValue()))
header.append(str(len(self.commentLines)))
header.append("1" if self.rightToLeft else "0")
header.append(str(self.getFullLayoutValue()))
header.append(str(self.codeTagCount))
return ' '.join(header)
def fixFigChars(self):
height = 0
charWidth: dict[int, int] = {}
maxWidth = 0
# Fix case insensitivity
if self.caseInsensitive is True:
for ii in range(97, 123):
self.figChars[ii] = self.figChars[ii - 32]
# Calculate max height and ensure consistent width for each character
for idx in self.figChars:
if idx == -1:
continue # ignore comment header
figChar = self.figChars[idx].replace('\r\n', '\n').split('\n')
height = max(height, len(figChar))
charWidth[idx] = 0
for line in figChar:
charWidth[idx] = max(charWidth[idx], len(line))
for i in range(len(figChar)):
if len(figChar[i]) < charWidth[idx]:
figChar[i] += spacePad(charWidth[idx] - len(figChar[i]))
maxWidth = max(maxWidth, charWidth[idx])
self.figChars[idx] = '\n'.join(figChar)
# Fix any height issues
for idx in self.figChars:
if idx == -1:
continue # ignore comment header
figChar = self.figChars[idx].replace('\r\n', '\n').split('\n')
if len(figChar) < height:
self.figChars[idx] = '\n'.join(figChar) + '\n' + blankLines(height - len(figChar), charWidth[idx])
self.height = height
self.maxLength = maxWidth + 2
def createFigFileData(self) -> str:
output = ''
self.fixFigChars()
output = self.generateFigFontHeader() + '\n'
output += "\n".join(self.commentLines) + '\n'
for char in self.charOrder:
figChar = self.figChars.get(char)
if figChar is None:
raise Exception(f"Character {char} missing from figChars")
output += (self.endMark + '\n').join(figChar.split('\n'))
output += self.endMark + self.endMark + '\n'
return output
def extract_textures(image_path: str):
# Open the image
image = Image.open(image_path)
@ -38,8 +213,9 @@ def extract_textures(image_path: str):
# Create a new image to store the extracted textures
extracted_image = Image.new('RGB', (num_textures_x * texture_width, num_textures_y * texture_height))
extracted_text_half = ""
extracted_text_full = ""
half_size_meta_glyphs = {}
full_size_meta_glyphs = {}
# Extract textures
for row in range(num_textures_y):
@ -60,7 +236,12 @@ def extract_textures(image_path: str):
# Paste the texture onto the extracted image
extracted_image.paste(texture, (paste_x, paste_y))
# Extract as text
# Calculate the ordinal of the character
ordinal = row * num_textures_x + col
ordinal -= 2
# Extract as half-size FIGlet font
extracted_text_half = ""
for y in range(0, texture_height, 2):
for x in range(0, texture_width, 2):
# Get the four pixels that make up a character
@ -79,9 +260,11 @@ def extract_textures(image_path: str):
# Add a newline after each row
extracted_text_half += '\n'
# extracted_text += '(end of character ' + str(row * num_textures_x + col) + ')\n'
# Extract as text 2
half_size_meta_glyphs[ordinal] = extracted_text_half
# Extract as full-size FIGlet font
extracted_text_full = ""
for y in range(texture_height):
for x in range(texture_width):
# Get the pixel
@ -96,22 +279,52 @@ def extract_textures(image_path: str):
# Add a newline after each row
extracted_text_full += '\n'
full_size_meta_glyphs[ordinal] = extracted_text_full
half_size_font = FIGletFontWriter(
fontName="NanoTiny 2x2",
figChars=half_size_meta_glyphs,
height=2,
baseline=2,
maxLength=2,
commentLines=[
"NanoTiny 2x2",
"by Isaiah Odhner",
],
horizontalLayout="Full",
verticalLayout="Full",
)
full_size_font = FIGletFontWriter(
fontName="NanoTiny 4x4",
figChars=full_size_meta_glyphs,
height=4,
baseline=4,
maxLength=4,
commentLines=[
"NanoTiny 4x4",
"by Isaiah Odhner",
],
horizontalLayout="Full",
verticalLayout="Full",
)
return extracted_image, extracted_text_half, extracted_text_full
return extracted_image, half_size_font.createFigFileData(), full_size_font.createFigFileData()
base_folder = os.path.abspath(os.path.join(os.path.dirname(__file__), '../..'))
samples_folder = os.path.join(base_folder, 'samples')
image_path = os.path.join(samples_folder, 'NanoTiny_v14.png')
output_path = os.path.join(samples_folder, 'NanoTiny_v14_no_border.png')
half_size_text_output_path = os.path.join(base_folder, 'NanoTiny_v14_2x2.txt')
full_size_text_output_path = os.path.join(base_folder, 'NanoTiny_v14_4x4.txt')
half_size_flf_output_path = os.path.join(base_folder, 'NanoTiny_v14_2x2.flf')
full_size_flf_output_path = os.path.join(base_folder, 'NanoTiny_v14_4x4.flf')
extracted_image, extracted_text_half, extracted_text_full = extract_textures(image_path)
extracted_image.save(output_path)
print(f'Wrote extracted textures to {output_path}')
with open(full_size_text_output_path, 'w') as f:
with open(full_size_flf_output_path, 'w') as f:
f.write(extracted_text_full)
print(f'Wrote extracted textures to {full_size_text_output_path}')
with open(half_size_text_output_path, 'w') as f:
print(f'Wrote FIGlet font {full_size_flf_output_path}')
with open(half_size_flf_output_path, 'w') as f:
f.write(extracted_text_half)
print(f'Wrote extracted textures to {half_size_text_output_path}')
print(f'Wrote FIGlet font {half_size_flf_output_path}')