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212 lines
10 KiB
Python
212 lines
10 KiB
Python
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#!/usr/bin/env python3
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#
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# MiRC2png.py -- convert ASCII w/ mIRC control codes to monospaced PNG (for EFnet #MiRCART)
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# Copyright (c) 2018 Lucio Andrés Illanes Albornoz <lucio@lucioillanes.de>
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in all
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# copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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#
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from enum import Enum
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from PIL import Image, ImageDraw, ImageFont
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import string, sys
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class MiRC2png:
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"""Abstraction over ASCIIs containing mIRC control codes"""
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inFilePath = inFile = None;
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inLines = inColsMax = inRows = None;
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outFontFilePath = outFontSize = None;
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outImg = outImgDraw = outImgFont = None;
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outCurColourBg = outCurColourFg = None;
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outCurX = outCurY = None;
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inCurBold = inCurItalic = inCurUnderline = None;
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inCurColourSpec = None;
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state = None;
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inCurCol = None;
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# {{{ _ColourMapBold: mIRC colour number to RGBA map given ^B (bold)
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_ColourMapBold = [
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(255, 255, 255, 255), # White
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(85, 85, 85, 255), # Grey
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(85, 85, 255, 255), # Light Blue
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(85, 255, 85, 255), # Light Green
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(255, 85, 85, 255), # Light Red
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(255, 85, 85, 255), # Light Red
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(255, 85, 255, 255), # Pink
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(255, 255, 85, 255), # Light Yellow
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(255, 255, 85, 255), # Light Yellow
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(85, 255, 85, 255), # Light Green
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(85, 255, 255, 255), # Light Cyan
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(85, 255, 255, 255), # Light Cyan
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(85, 85, 255, 255), # Light Blue
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(255, 85, 255, 255), # Pink
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(85, 85, 85, 255), # Grey
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(255, 255, 255, 255), # White
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]
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# }}}
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# {{{ _ColourMapNormal: mIRC colour number to RGBA map given none of ^[BFV_] (bold, italic, reverse, underline)
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_ColourMapNormal = [
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(255, 255, 255, 255), # White
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(0, 0, 0, 255), # Black
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(0, 0, 187, 255), # Blue
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(0, 187, 0, 255), # Green
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(255, 85, 85, 255), # Light Red
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(187, 0, 0, 255), # Red
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(187, 0, 187, 255), # Purple
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(187, 187, 0, 255), # Yellow
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(255, 255, 85, 255), # Light Yellow
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(85, 255, 85, 255), # Light Green
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(0, 187, 187, 255), # Cyan
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(85, 255, 255, 255), # Light Cyan
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(85, 85, 255, 255), # Light Blue
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(255, 85, 255, 255), # Pink
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(85, 85, 85, 255), # Grey
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(187, 187, 187, 255), # Light Grey
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]
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# }}}
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# {{{ _State: Parsing loop state
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class _State(Enum):
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STATE_CHAR = 1
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STATE_COLOUR_SPEC = 2
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# }}}
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# {{{ _getMaxCols(): Calculate widest row in lines, ignoring non-printable & mIRC control code sequences
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def _getMaxCols(self, lines):
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maxCols = 0;
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for curRow in range(0, len(lines)):
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curRowCols = 0; curState = self._State.STATE_CHAR;
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curCol = 0; curColLen = len(lines[curRow]);
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while curCol < curColLen:
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curChar = lines[curRow][curCol]
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if curState == self._State.STATE_CHAR:
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if curChar == "":
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curState = self._State.STATE_COLOUR_SPEC; curCol += 1;
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elif curChar in string.printable:
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curRowCols += 1; curCol += 1;
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else:
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curCol += 1;
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elif curState == self._State.STATE_COLOUR_SPEC:
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if curChar in set(",0123456789"):
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curCol += 1;
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else:
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curState = self._State.STATE_CHAR;
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maxCols = max(maxCols, curRowCols)
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return maxCols
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# }}}
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# {{{ _parseAsChar(): Parse single character as regular character and mutate state
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def _parseAsChar(self, char):
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if char == "":
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self.inCurCol += 1; self.inCurBold = 0 if self.inCurBold else 1;
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elif char == "":
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self._State = self._State.STATE_COLOUR_SPEC; self.inCurCol += 1;
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elif char == "":
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self.inCurCol += 1; self.inCurItalic = 0 if self.inCurItalic else 1;
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elif char == "":
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self.inCurCol += 1;
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self.inCurBold = 0; self.inCurItalic = 0; self.inCurUnderline = 0;
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self.inCurColourSpec = "";
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elif char == "":
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self.inCurCol += 1
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self.outCurColourBg, self.outCurColourFg = self.outCurColourFg, self.outCurColourBg;
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elif char == " ":
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self.inCurCol += 1; self.inCurUnderline = 0 if self.inCurUnderline else 1;
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elif char == " ":
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if self.inCurBold:
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colourBg = self._ColourMapBold[self.outCurColourBg]
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else:
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colourBg = self._ColourMapNormal[self.outCurColourBg]
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self.outImgDraw.rectangle(((self.outCurX, self.outCurY), (self.outCurX + self.outImgFontSize[0], self.outCurY + self.outImgFontSize[1])), fill=colourBg)
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if self.inCurUnderline:
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self.outImgDraw.line((self.outCurX, self.outCurY + (self.outImgFontSize[1] - 2), self.outCurX + self.outImgFontSize[0], self.outCurY + (self.outImgFontSize[1] - 2)), fill=colourFg)
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self.outCurX += self.outImgFontSize[0]; self.inCurCol += 1;
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else:
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if self.inCurBold:
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colourBg = self._ColourMapBold[self.outCurColourBg]
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colourFg = self._ColourMapBold[self.outCurColourFg]
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else:
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colourBg = self._ColourMapNormal[self.outCurColourBg]
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colourFg = self._ColourMapNormal[self.outCurColourFg]
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self.outImgDraw.rectangle(((self.outCurX, self.outCurY), (self.outCurX + self.outImgFontSize[0], self.outCurY + self.outImgFontSize[1])), fill=colourBg)
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# XXX implement italic
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self.outImgDraw.text((self.outCurX, self.outCurY), char, colourFg, self.outImgFont)
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if self.inCurUnderline:
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self.outImgDraw.line((self.outCurX, self.outCurY + (self.outImgFontSize[1] - 2), self.outCurX + self.outImgFontSize[0], self.outCurY + (self.outImgFontSize[1] - 2)), fill=colourFg)
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self.outCurX += self.outImgFontSize[0]; self.inCurCol += 1;
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# }}}
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# {{{ _parseAsColourSpec(): Parse single character as mIRC colour control code sequence and mutate state
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def _parseAsColourSpec(self, char):
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if char in set(",0123456789"):
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self.inCurColourSpec += char; self.inCurCol += 1;
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else:
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self.inCurColourSpec = self.inCurColourSpec.split(",")
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if len(self.inCurColourSpec) == 2:
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self.outCurColourFg = int(self.inCurColourSpec[0])
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self.outCurColourBg = int(self.inCurColourSpec[1] or self.outCurColourBg)
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elif len(self.inCurColourSpec) == 1:
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self.outCurColourFg = int(self.inCurColourSpec[0])
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else:
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self.outCurColourBg = 1; self.outCurColourFg = 15;
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self.inCurColourSpec = ""; self._State = self._State.STATE_CHAR;
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# }}}
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#
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# Initialisation method
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def __init__(self, inFilePath, imgFilePath, fontFilePath="DejaVuSansMono.ttf", fontSize=11):
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self.inFilePath = inFilePath; self.inFile = open(inFilePath, "r");
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self.inLines = self.inFile.readlines()
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self.inColsMax = self._getMaxCols(self.inLines)
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self.inRows = len(self.inLines)
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self.outFontFilePath = fontFilePath; self.outFontSize = int(fontSize);
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self.outImgFont = ImageFont.truetype(self.outFontFilePath, self.outFontSize)
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self.outImgFontSize = list(self.outImgFont.getsize(" ")); self.outImgFontSize[1] += 3;
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self.outImg = Image.new("RGBA", (self.inColsMax * self.outImgFontSize[0], self.inRows * self.outImgFontSize[1]), self._ColourMapNormal[1])
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self.outImgDraw = ImageDraw.Draw(self.outImg)
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self.outCurColourBg = 1; self.outCurColourFg = 15;
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self.outCurX = 0; self.outCurY = 0;
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for inCurRow in range(0, len(self.inLines)):
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self.inCurBold = 0; self.inCurItalic = 0; self.inCurUnderline = 0;
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self.inCurColourSpec = ""; self._State = self._State.STATE_CHAR;
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self.inCurCol = 0;
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while self.inCurCol < len(self.inLines[inCurRow]):
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if self._State == self._State.STATE_CHAR:
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self._parseAsChar(self.inLines[inCurRow][self.inCurCol])
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elif self._State == self._State.STATE_COLOUR_SPEC:
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self._parseAsColourSpec(self.inLines[inCurRow][self.inCurCol])
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self.outCurX = 0; self.outCurY += self.outImgFontSize[1];
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self.inFile.close();
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self.outImg.save(imgFilePath);
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#
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# Entry point
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def main(*argv):
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MiRC2png(*argv[1:])
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if __name__ == "__main__":
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if ((len(sys.argv) - 1) < 2)\
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or ((len(sys.argv) - 1) > 4):
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print("usage: {} " \
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"<MiRCART input file pathname> " \
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"<PNG image output file pathname> " \
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"[<Font file pathname; defaults to DejaVuSansMono.ttf>] " \
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"[<Font size; defaults to 11>]".format(sys.argv[0]), file=sys.stderr)
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else:
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main(*sys.argv)
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# vim:expandtab foldmethod=marker sw=4 ts=4 tw=120
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