jaseg/pixelterm
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Color lookup optimization and final color reset added

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jaseg 2013-04-02 02:32:36 +02:00
parent fa787ab9e3
commit 4493e514b3
1 changed files with 11 additions and 3 deletions
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14
pixelterm.py
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@ -7,24 +7,31 @@ from PIL import Image, PngImagePlugin
def termify_pixels(img): def termify_pixels(img):
sx, sy = img.size sx, sy = img.size
out = '' out = ''
formatter = terminal256.Terminal256Formatter() formatter = terminal256.Terminal256Formatter()
fg,bg = None,None fg,bg = None,None
fgd,bgd = {},{}
def bgescape(color): def bgescape(color):
nonlocal bg nonlocal bg
if bg == color: if bg == color:
return '' return ''
bg=color bg=color
r,g,b,a = color r,g,b,a = color
if color in bgd:
return bgd[color]
bgd[color] = terminal256.EscapeSequence(bg=formatter._closest_color(r,g,b)).color_string()
if color == (0,0,0,0): if color == (0,0,0,0):
return terminal256.EscapeSequence(bg=formatter._closest_color(0,0,0)).reset_string() bgd[color] = terminal256.EscapeSequence(bg=formatter._closest_color(0,0,0)).reset_string()
return terminal256.EscapeSequence(bg=formatter._closest_color(r,g,b)).color_string() return bgd[color]
def fgescape(color): def fgescape(color):
nonlocal fg nonlocal fg
if fg == color: if fg == color:
return '' return ''
fg=color fg=color
r,g,b,_ = color r,g,b,_ = color
return terminal256.EscapeSequence(fg=formatter._closest_color(r,g,b)).color_string() fgd[color]= terminal256.EscapeSequence(fg=formatter._closest_color(r,g,b)).color_string()
return fgd[color]
#NOTE: This ignores the last line if there is an odd number of lines. #NOTE: This ignores the last line if there is an odd number of lines.
for y in range(0, sy-1, 2): for y in range(0, sy-1, 2):
for x in range(sx): for x in range(sx):
@ -43,6 +50,7 @@ def termify_pixels(img):
c,te,be = cf,te,te c,te,be = cf,te,te
out += te(coltop) + be(colbot) + c out += te(coltop) + be(colbot) + c
out += '\n' out += '\n'
out += terminal256.EscapeSequence(fg=formatter._closest_color(0,0,0), bg=formatter._closest_color(0,0,0)).reset_string()
return out return out
if __name__ == '__main__': if __name__ == '__main__':