roar/mirc2png.py
Lucio Andrés Illanes Albornoz abaa92b53d mirc2png.py:parseAsChar(): implement underline (^_.)
mirc2png.py:__init__(): increment self.outCurY by correct row height.
2018-01-02 16:54:39 +01:00

211 lines
9.6 KiB
Python
Executable File
Raw Blame History

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

#!/usr/bin/env python3
#
# mirc2png -- convert ASCII w/ mIRC control codes to monospaced PNG (for EFnet #MiRCART)
# Copyright (c) 2018 Lucio Andrés Illanes Albornoz <lucio@lucioillanes.de>
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
#
from enum import Enum
from PIL import Image, ImageDraw, ImageFont
import string, sys
class MiRCART:
"""Abstraction over ASCIIs containing mIRC control codes"""
# {{{ mIRC colour number to RGBA map given ^B (bold)
ColourMapBold = [
(255, 255, 255, 255), # White
(85, 85, 85, 255), # Grey
(85, 85, 255, 255), # Light Blue
(85, 255, 85, 255), # Light Green
(255, 85, 85, 255), # Light Red
(255, 85, 85, 255), # Light Red
(255, 85, 255, 255), # Pink
(255, 255, 85, 255), # Light Yellow
(255, 255, 85, 255), # Light Yellow
(85, 255, 85, 255), # Light Green
(85, 255, 255, 255), # Light Cyan
(85, 255, 255, 255), # Light Cyan
(85, 85, 255, 255), # Light Blue
(255, 85, 255, 255), # Pink
(85, 85, 85, 255), # Grey
(255, 255, 255, 255), # White
]
# }}}
# {{{ mIRC colour number to RGBA map given none of ^[BFV_] (bold, italic, reverse, underline)
ColourMapNormal = [
(255, 255, 255, 255), # White
(0, 0, 0, 255), # Black
(0, 0, 187, 255), # Blue
(0, 187, 0, 255), # Green
(255, 85, 85, 255), # Light Red
(187, 0, 0, 255), # Red
(187, 0, 187, 255), # Purple
(187, 187, 0, 255), # Yellow
(255, 255, 85, 255), # Light Yellow
(85, 255, 85, 255), # Light Green
(0, 187, 187, 255), # Cyan
(85, 255, 255, 255), # Light Cyan
(85, 85, 255, 255), # Light Blue
(255, 85, 255, 255), # Pink
(85, 85, 85, 255), # Grey
(187, 187, 187, 255), # Light Grey
]
# }}}
# {{{ Parsing loop state
class State(Enum):
STATE_CHAR = 1
STATE_COLOUR_SPEC = 2
# }}}
inFilePath = inFile = None;
inLines = inColsMax = inRows = None;
outFontFilePath = outFontSize = None;
outImg = outImgDraw = outImgFont = None;
outCurColourBg = outCurColourFg = None;
outCurX = outCurY = None;
inCurBold = inCurItalic = inCurReverse = inCurUnderline = None;
inCurColourSpec = None;
state = None;
inCurCol = None;
# {{{ Calculate widest row in lines, ignoring non-printable & mIRC control code sequences
def getMaxCols(self, lines):
maxCols = 0;
for curRow in range(0, len(lines)):
curRowCols = 0; curState = self.State.STATE_CHAR;
curCol = 0; curColLen = len(lines[curRow]);
while curCol < curColLen:
curChar = lines[curRow][curCol]
if curState == self.State.STATE_CHAR:
if curChar == "":
curState = self.State.STATE_COLOUR_SPEC; curCol += 1;
elif curChar in string.printable:
curRowCols += 1; curCol += 1;
else:
curCol += 1;
elif curState == self.State.STATE_COLOUR_SPEC:
if curChar in set(",0123456789"):
curCol += 1;
else:
curState = self.State.STATE_CHAR;
maxCols = max(maxCols, curRowCols)
return maxCols
# }}}
# {{{ Parse single character as regular character and mutate state
def parseAsChar(self, char):
if char == "":
self.inCurCol += 1; self.inCurBold = 0 if self.inCurBold else 1;
elif char == "":
self.state = self.State.STATE_COLOUR_SPEC; self.inCurCol += 1;
elif char == "":
self.inCurCol += 1; self.inCurItalic = 0 if self.inCurItalic else 1;
elif char == "":
self.inCurCol += 1;
self.inCurBold = 0; self.inCurItalic = 0; self.inCurReverse = 0; self.inCurUnderline = 0;
self.inCurColourSpec = "";
elif char == "":
self.inCurCol += 1; self.inCurReverse = 0 if self.inCurReverse else 1;
elif char == "":
self.inCurCol += 1; self.inCurUnderline = 0 if self.inCurUnderline else 1;
elif char == " ":
if self.inCurBold:
colourBg = self.ColourMapBold[self.outCurColourBg]
else:
colourBg = self.ColourMapNormal[self.outCurColourBg]
self.outImgDraw.rectangle(((self.outCurX, self.outCurY), (self.outCurX + 7, self.outCurY + 14)), fill=colourBg)
if self.inCurUnderline:
self.outImgDraw.line((self.outCurX, self.outCurY + 11, self.outCurX + 7, self.outCurY + 11), fill=colourFg)
self.outCurX += 7; self.inCurCol += 1;
else:
if self.inCurBold:
colourBg = self.ColourMapBold[self.outCurColourBg]
colourFg = self.ColourMapBold[self.outCurColourFg]
else:
colourBg = self.ColourMapNormal[self.outCurColourBg]
colourFg = self.ColourMapNormal[self.outCurColourFg]
self.outImgDraw.rectangle(((self.outCurX, self.outCurY), (self.outCurX + 7, self.outCurY + 14)), fill=colourBg)
# XXX implement italic, reverse
self.outImgDraw.text((self.outCurX, self.outCurY), char, colourFg, self.outImgFont)
if self.inCurUnderline:
self.outImgDraw.line((self.outCurX, self.outCurY + 11, self.outCurX + 7, self.outCurY + 11), fill=colourFg)
self.outCurX += 7; self.inCurCol += 1;
# }}}
# {{{ Parse single character as mIRC colour control code sequence and mutate state
def parseAsColourSpec(self, char):
if char in set(",0123456789"):
self.inCurColourSpec += char; self.inCurCol += 1;
else:
self.inCurColourSpec = self.inCurColourSpec.split(",")
if len(self.inCurColourSpec) == 2:
self.outCurColourFg = int(self.inCurColourSpec[0])
self.outCurColourBg = int(self.inCurColourSpec[1] or self.outCurColourBg)
elif len(self.inCurColourSpec) == 1:
self.outCurColourFg = int(self.inCurColourSpec[0])
else:
self.outCurColourBg = 1; self.outCurColourFg = 15;
self.inCurColourSpec = ""; self.state = self.State.STATE_CHAR;
# }}}
#
# Initialisation method
def __init__(self, inFilePath, imgFilePath, fontFilePath, fontSize):
self.inFilePath = inFilePath; self.inFile = open(inFilePath, "r");
self.inLines = self.inFile.readlines()
self.inColsMax = self.getMaxCols(self.inLines)
self.inRows = len(self.inLines)
self.outFontFilePath = fontFilePath; self.outFontSize = int(fontSize);
self.outImg = Image.new("RGBA", (self.inColsMax * 7, self.inRows * 14), self.ColourMapNormal[1])
self.outImgDraw = ImageDraw.Draw(self.outImg)
self.outImgFont = ImageFont.truetype(self.outFontFilePath, self.outFontSize)
self.outCurColourBg = 1; self.outCurColourFg = 15;
self.outCurX = 0; self.outCurY = 0;
for inCurRow in range(0, len(self.inLines)):
self.inCurBold = 0; self.inCurItalic = 0; self.inCurReverse = 0; self.inCurUnderline = 0;
self.inCurColourSpec = ""; self.state = self.State.STATE_CHAR;
self.inCurCol = 0;
while self.inCurCol < len(self.inLines[inCurRow]):
if self.state == self.State.STATE_CHAR:
self.parseAsChar(self.inLines[inCurRow][self.inCurCol])
elif self.state == self.State.STATE_COLOUR_SPEC:
self.parseAsColourSpec(self.inLines[inCurRow][self.inCurCol])
self.outCurX = 0; self.outCurY += 13;
self.inFile.close();
self.outImg.save(imgFilePath);
#
# Entry point
def main(argv0, inFilePath, imgFilePath, fontFilePath, fontSize=11):
_MiRCART = MiRCART(inFilePath, imgFilePath, fontFilePath, fontSize)
if __name__ == "__main__":
if ((len(sys.argv) - 1) < 3)\
or ((len(sys.argv) - 1) > 4):
print("usage: {} " \
"<MiRCART input file pathname> " \
"<PNG image output file pathname> " \
"<Font file pathnane> " \
"[<Font size; defaults to 11>]".format(sys.argv[0]), file=sys.stderr)
else:
main(*sys.argv)
# vim:expandtab foldmethod=marker sw=8 ts=8 tw=120