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Lots of changes to support loading alternative color name database.

Browse source 
You can switch database by just loading the new one; the list window
and nearest colors adapt to the new database.

Some reorganizing of code.  Also, the name of the database file is
stored in the ~/.pynche pickle.  If it can't be loaded, fallbacks are
used.
This commit is contained in:
Barry Warsaw 1999-04-26 23:17:16 +00:00
parent 0ec1493d0b
commit 0604d72318
6 changed files with 191 additions and 89 deletions
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34
Tools/pynche/ChipViewer.py
View file

@ -49,9 +49,9 @@ class ChipWidget:
if releasecmd:
self.__chip.bind('<ButtonRelease-1>', releasecmd)
def set_color(self, color):
def set_color(self, color, colorname=None):
self.__chip.config(background=color)
self.__name.config(text=color)
self.__name.config(text=colorname or color)
def get_color(self):
return self.__chip['background']
@ -83,25 +83,27 @@ class ChipViewer:
releasecmd = self.__buttonrelease)
def update_yourself(self, red, green, blue):
# TBD: should exactname default to X11 color name if their is an exact
# match for the rgb triplet? Part of me says it's nice to see both
# names for the color, the other part says that it's better to
# feedback the exact match.
# Selected always shows the #rrggbb name of the color, nearest always
# shows the name of the nearest color in the database. TBD: should
# an exact match be indicated in some way?
#
# Always use the #rrggbb style to actually set the color, since we may
# not be using X color names (e.g. "web-safe" names)
colordb = self.__sb.colordb()
rgbtuple = (red, green, blue)
try:
allcolors = self.__sb.colordb().find_byrgb(rgbtuple)
exactname = allcolors[0]
except ColorDB.BadColor:
exactname = ColorDB.triplet_to_rrggbb(rgbtuple)
nearest = self.__sb.colordb().nearest(red, green, blue)
self.__selected.set_color(exactname)
self.__nearest.set_color(nearest)
rrggbb = ColorDB.triplet_to_rrggbb(rgbtuple)
# find the nearest
nearest = colordb.nearest(red, green, blue)
nearest_tuple = colordb.find_byname(nearest)
nearest_rrggbb = ColorDB.triplet_to_rrggbb(nearest_tuple)
self.__selected.set_color(rrggbb)
self.__nearest.set_color(nearest_rrggbb, nearest)
def __buttonpress(self, event=None):
self.__nearest.press()
def __buttonrelease(self, event=None):
self.__nearest.release()
colorname = self.__nearest.get_color()
red, green, blue = self.__sb.colordb().find_byname(colorname)
rrggbb = self.__nearest.get_color()
red, green, blue = ColorDB.rrggbb_to_triplet(rrggbb)
self.__sb.update_views(red, green, blue)