roar/MiRCART-python/MiRCARTToPngFile.py
Lucio Andrés Illanes Albornoz ecaaf75b6b MiRCARTCanvasImportStore.py:importTextFile(): open() w/ encoding="utf-8-sig" due to potentially present BOM.
MiRCARTToPngFile.py:export(): disable PIL font anti-aliasing.
2019-08-18 13:02:33 +02:00

141 lines
6.3 KiB
Python
Executable File

#!/usr/bin/env python3
#
# MiRCARTToPngFile.py -- convert ASCII w/ mIRC control codes to monospaced PNG (for EFnet #MiRCART)
# Copyright (c) 2018 Lucio Andrés Illanes Albornoz <lucio@lucioillanes.de>
# This project is licensed under the terms of the MIT licence.
#
import MiRCARTCanvasImportStore
from PIL import Image, ImageDraw, ImageFont
import sys
class MiRCARTToPngFile:
"""XXX"""
inFile = inFromTextFile = None
outFontFilePath = outFontSize = None
# {{{ _ColourMapBold: mIRC colour number to RGBA map given ^B (bold)
_ColourMapBold = [
[255, 255, 255], # Bright White
[85, 85, 85], # Black
[85, 85, 255], # Light Blue
[85, 255, 85], # Green
[255, 85, 85], # Red
[255, 85, 85], # Light Red
[255, 85, 255], # Pink
[255, 255, 85], # Yellow
[255, 255, 85], # Light Yellow
[85, 255, 85], # Light Green
[85, 255, 255], # Cyan
[85, 255, 255], # Light Cyan
[85, 85, 255], # Blue
[255, 85, 255], # Light Pink
[85, 85, 85], # Grey
[255, 255, 255], # Light Grey
]
# }}}
# {{{ _ColourMapNormal: mIRC colour number to RGBA map given none of ^[BFV_] (bold, italic, reverse, underline)
_ColourMapNormal = [
[255, 255, 255], # Bright White
[0, 0, 0], # Black
[0, 0, 187], # Light Blue
[0, 187, 0], # Green
[255, 85, 85], # Red
[187, 0, 0], # Light Red
[187, 0, 187], # Pink
[187, 187, 0], # Yellow
[255, 255, 85], # Light Yellow
[85, 255, 85], # Light Green
[0, 187, 187], # Cyan
[85, 255, 255], # Light Cyan
[85, 85, 255], # Blue
[255, 85, 255], # Light Pink
[85, 85, 85], # Grey
[187, 187, 187], # Light Grey
]
# }}}
# {{{ _drawUnderline(self, curPos, fontSize, imgDraw, fillColour): XXX
def _drawUnderLine(self, curPos, fontSize, imgDraw, fillColour):
imgDraw.line( \
xy=(curPos[0], curPos[1] + (fontSize[1] - 2), \
curPos[0] + fontSize[0], curPos[1] + (fontSize[1] - 2)), \
fill=fillColour)
# }}}
# {{{ export(self, outFilePath): XXX
def export(self, outFilePath):
inSize = (len(self.inCanvasMap[0]), len(self.inCanvasMap))
outSize = [a*b for a,b in zip(inSize, self.outImgFontSize)]
outCurPos = [0, 0]
outImg = Image.new("RGBA", outSize, (*self._ColourMapNormal[1], 255))
outImgDraw = ImageDraw.Draw(outImg)
outImgDraw.fontmode = "1"
for inCurRow in range(len(self.inCanvasMap)):
for inCurCol in range(len(self.inCanvasMap[inCurRow])):
inCurCell = self.inCanvasMap[inCurRow][inCurCol]
outColours = [0, 0]
if inCurCell[2] & MiRCARTCanvasImportStore.MiRCARTCanvasImportStore._CellState.CS_BOLD:
if inCurCell[3] != " ":
if inCurCell[3] == "":
outColours[1] = self._ColourMapNormal[inCurCell[0]]
else:
outColours[0] = self._ColourMapBold[inCurCell[0]]
outColours[1] = self._ColourMapNormal[inCurCell[1]]
else:
outColours[1] = self._ColourMapNormal[inCurCell[1]]
else:
if inCurCell[3] != " ":
if inCurCell[3] == "":
outColours[1] = self._ColourMapNormal[inCurCell[0]]
else:
outColours[0] = self._ColourMapNormal[inCurCell[0]]
outColours[1] = self._ColourMapNormal[inCurCell[1]]
else:
outColours[1] = self._ColourMapNormal[inCurCell[1]]
outImgDraw.rectangle((*outCurPos, \
outCurPos[0] + self.outImgFontSize[0], \
outCurPos[1] + self.outImgFontSize[1]), \
fill=(*outColours[1], 255))
if not inCurCell[3] in "" \
and outColours[0] != outColours[1]:
# XXX implement italic
outImgDraw.text(outCurPos, \
inCurCell[3], (*outColours[0], 255), self.outImgFont)
if inCurCell[2] & MiRCARTCanvasImportStore.MiRCARTCanvasImportStore._CellState.CS_UNDERLINE:
outColours[0] = self._ColourMapNormal[inCurCell[0]]
self._drawUnderLine(outCurPos, \
self.outImgFontSize, \
outImgDraw, (*outColours[0], 255))
outCurPos[0] += self.outImgFontSize[0];
outCurPos[0] = 0
outCurPos[1] += self.outImgFontSize[1]
outImg.save(outFilePath);
# }}}
#
# __init__(self, inCanvasMap, fontFilePath="DejaVuSansMono.ttf", fontSize=11): initialisation method
def __init__(self, inCanvasMap, fontFilePath="DejaVuSansMono.ttf", fontSize=11):
self.inCanvasMap = inCanvasMap
self.outFontFilePath = fontFilePath; self.outFontSize = int(fontSize);
self.outImgFont = ImageFont.truetype( \
self.outFontFilePath, self.outFontSize)
self.outImgFontSize = [*self.outImgFont.getsize(" ")]
self.outImgFontSize[1] += 3
#
# Entry point
def main(*argv):
canvasStore = MiRCARTCanvasImportStore.MiRCARTCanvasImportStore(inFile=argv[1])
MiRCARTToPngFile(canvasStore.outMap, *argv[3:]).export(argv[2])
if __name__ == "__main__":
if ((len(sys.argv) - 1) < 2)\
or ((len(sys.argv) - 1) > 4):
print("usage: {} " \
"<MiRCART input file pathname> " \
"<PNG image output file pathname> " \
"[<Font file pathname; defaults to DejaVuSansMono.ttf>] " \
"[<Font size; defaults to 11>]".format(sys.argv[0]), file=sys.stderr)
else:
main(*sys.argv)
# vim:expandtab foldmethod=marker sw=4 ts=4 tw=120