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Support foreground/background reversing #129

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Support foreground/background reversing #129

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1 change: 1 addition & 0 deletions README.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -238,6 +238,7 @@ The only ANSI sequences that colorama converts into win32 calls are::
ESC [ 0 m # reset all (colors and brightness)
ESC [ 1 m # bright
ESC [ 2 m # dim (looks same as normal brightness)
ESC [ 7 m # swap foreground and background
ESC [ 22 m # normal brightness

# FOREGROUND:
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1 change: 1 addition & 0 deletions colorama/ansi.py
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Expand Up @@ -95,6 +95,7 @@ class AnsiStyle(AnsiCodes):
DIM = 2
NORMAL = 22
RESET_ALL = 0
REVERSE_FORE_BACK = 7

Fore = AnsiFore()
Back = AnsiBack()
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1 change: 1 addition & 0 deletions colorama/ansitowin32.py
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Expand Up @@ -99,6 +99,7 @@ def get_win32_calls(self):
if self.convert and winterm:
return {
AnsiStyle.RESET_ALL: (winterm.reset_all, ),
AnsiStyle.REVERSE_FORE_BACK: (winterm.reverse_fore_back, ),
AnsiStyle.BRIGHT: (winterm.style, WinStyle.BRIGHT),
AnsiStyle.DIM: (winterm.style, WinStyle.NORMAL),
AnsiStyle.NORMAL: (winterm.style, WinStyle.NORMAL),
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6 changes: 6 additions & 0 deletions colorama/winterm.py
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Expand Up @@ -45,6 +45,12 @@ def reset_all(self, on_stderr=None):
self.set_attrs(self._default)
self.set_console(attrs=self._default)

def reverse_fore_back(self, on_stderr=None):
self._back, self._fore = self._fore, self._back
self._style = ((self._style & 0xF) << 4) | ((self._style >> 4) & 0xF)
self._light = ((self._light & 0xF) << 4) | ((self._light >> 4) & 0xF)
self.set_console(on_stderr=on_stderr)

def fore(self, fore=None, light=False, on_stderr=False):
if fore is None:
fore = self._default_fore
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