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MiRC2png.py: fix mIRC colour control code sequence counting & rendering logic.

This commit is contained in:
Lucio Andrés Illanes Albornoz 2018-01-05 00:52:02 +01:00
parent e0300331fd
commit 68ba42f244
1 changed files with 96 additions and 52 deletions
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148
MiRC2png.py
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@ -39,7 +39,7 @@ class MiRC2png:
inCurBold = inCurItalic = inCurUnderline = None;
inCurColourSpec = None;
state = None;
inCurCol = None;
inCurCol = inCurDigits = None;
# {{{ _ColourMapBold: mIRC colour number to RGBA map given ^B (bold)
_ColourMapBold = [
@ -85,48 +85,104 @@ class MiRC2png:
class _State(Enum):
STATE_CHAR = 1
STATE_COLOUR_SPEC = 2
STATE_CSPEC_DIGIT0 = 2
STATE_CSPEC_DIGIT1 = 3
# }}}
# {{{ _countChar(): XXX
def _countChar(self, char):
return True
# }}}
# {{{ _countColourSpecState(): XXX
def _countColourSpecState(self, colourSpec):
return 0
# }}}
# {{{ _render(): XXX
def _render(self):
self.outCurX = 0; self.outCurY = 0;
for inCurRow in range(0, len(self.inLines)):
self.inCurBold = 0; self.inCurItalic = 0; self.inCurUnderline = 0;
self.inCurColourSpec = ""; self._State = self._State.STATE_CHAR;
self.inCurCol = 0; self.inCurDigits = 0;
while self.inCurCol < len(self.inLines[inCurRow]):
if self._State == self._State.STATE_CHAR:
self._parseAsChar( \
self.inLines[inCurRow][self.inCurCol], \
self._syncChar)
elif self._State == self._State.STATE_CSPEC_DIGIT0 \
or self._State == self._State.STATE_CSPEC_DIGIT1: \
self._parseAsColourSpec( \
self.inLines[inCurRow][self.inCurCol], \
self._syncColourSpecState)
self.outCurX = 0; self.outCurY += self.outImgFontSize[1];
# }}}
# {{{ _getMaxCols(): 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;
for inCurRow in range(0, len(lines)):
self.inCurBold = 0; self.inCurItalic = 0; self.inCurUnderline = 0;
self.inCurColourSpec = ""; self._State = self._State.STATE_CHAR;
self.inCurCol = 0; self.inCurDigits = 0; curRowCols = 0;
while self.inCurCol < len(self.inLines[inCurRow]):
if self._State == self._State.STATE_CHAR:
if self._parseAsChar( \
self.inLines[inCurRow][self.inCurCol], self._countChar):
curRowCols += 1
elif self._State == self._State.STATE_CSPEC_DIGIT0 \
or self._State == self._State.STATE_CSPEC_DIGIT1:
self._parseAsColourSpec( \
self.inLines[inCurRow][self.inCurCol], \
self._countColourSpecState)
maxCols = max(maxCols, curRowCols)
return maxCols
# }}}
# {{{ _parseAsChar(): Parse single character as regular character and mutate state
def _parseAsChar(self, char):
def _parseAsChar(self, char, fn):
if char == "":
self._State = self._State.STATE_CSPEC_DIGIT0; self.inCurCol += 1;
return False
else:
self.inCurCol += 1; return fn(char);
# }}}
# {{{ _parseAsColourSpec(): Parse single character as mIRC colour control code sequence and mutate state
def _parseAsColourSpec(self, char, fn):
if self._State == self._State.STATE_CSPEC_DIGIT0 \
and char == ",":
self.inCurColourSpec += char; self.inCurCol += 1;
self._State = self._State.STATE_CSPEC_DIGIT1;
self.inCurDigits = 0
return [False]
elif self._State == self._State.STATE_CSPEC_DIGIT0 \
and char in set("0123456789") \
and self.inCurDigits <= 1:
self.inCurColourSpec += char; self.inCurCol += 1;
self.inCurDigits += 1
return [False]
elif self._State == self._State.STATE_CSPEC_DIGIT1 \
and char in set("0123456789") \
and self.inCurDigits <= 1:
self.inCurColourSpec += char; self.inCurCol += 1;
self.inCurDigits += 1
return [False]
else:
result = fn(self.inCurColourSpec)
self.inCurColourSpec = ""; self._State = self._State.STATE_CHAR;
self.inCurDigits = 0
return [True, result]
# }}}
# {{{ _syncChar(): XXX
def _syncChar(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;
self.inCurBold = 0 if self.inCurBold else 1;
elif char == "":
self.inCurCol += 1; self.inCurItalic = 0 if self.inCurItalic else 1;
self.inCurItalic = 0 if self.inCurItalic else 1;
elif char == "":
self.inCurCol += 1;
self.inCurBold = 0; self.inCurItalic = 0; self.inCurUnderline = 0;
self.inCurColourSpec = "";
elif char == "":
self.inCurCol += 1
self.outCurColourBg, self.outCurColourFg = self.outCurColourFg, self.outCurColourBg;
elif char == "":
self.inCurCol += 1; self.inCurUnderline = 0 if self.inCurUnderline else 1;
self.inCurUnderline = 0 if self.inCurUnderline else 1;
elif char == " ":
if self.inCurBold:
colourBg = self._ColourMapBold[self.outCurColourBg]
@ -135,7 +191,7 @@ class MiRC2png:
self.outImgDraw.rectangle(((self.outCurX, self.outCurY), (self.outCurX + self.outImgFontSize[0], self.outCurY + self.outImgFontSize[1])), fill=colourBg)
if self.inCurUnderline:
self.outImgDraw.line((self.outCurX, self.outCurY + (self.outImgFontSize[1] - 2), self.outCurX + self.outImgFontSize[0], self.outCurY + (self.outImgFontSize[1] - 2)), fill=colourFg)
self.outCurX += self.outImgFontSize[0]; self.inCurCol += 1;
self.outCurX += self.outImgFontSize[0];
else:
if self.inCurBold:
colourBg = self._ColourMapBold[self.outCurColourBg]
@ -148,22 +204,20 @@ class MiRC2png:
self.outImgDraw.text((self.outCurX, self.outCurY), char, colourFg, self.outImgFont)
if self.inCurUnderline:
self.outImgDraw.line((self.outCurX, self.outCurY + (self.outImgFontSize[1] - 2), self.outCurX + self.outImgFontSize[0], self.outCurY + (self.outImgFontSize[1] - 2)), fill=colourFg)
self.outCurX += self.outImgFontSize[0]; self.inCurCol += 1;
self.outCurX += self.outImgFontSize[0];
return True
# }}}
# {{{ _parseAsColourSpec(): 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;
# {{{ _syncColourSpecState(): XXX
def _syncColourSpecState(self, colourSpec):
colourSpec = colourSpec.split(",")
if len(colourSpec) == 2:
self.outCurColourFg = int(colourSpec[0])
self.outCurColourBg = int(colourSpec[1] or self.outCurColourBg)
elif len(colourSpec) == 1:
self.outCurColourFg = int(colourSpec[0])
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;
self.outCurColourBg = 1; self.outCurColourFg = 15;
return True
# }}}
#
@ -179,17 +233,7 @@ class MiRC2png:
self.outImg = Image.new("RGBA", (self.inColsMax * self.outImgFontSize[0], self.inRows * self.outImgFontSize[1]), self._ColourMapNormal[1])
self.outImgDraw = ImageDraw.Draw(self.outImg)
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.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 += self.outImgFontSize[1];
self._render()
self.inFile.close();
self.outImg.save(imgFilePath);