# Xlib.xobject.colormap -- colormap object
#
# Copyright (C) 2000 Peter Liljenberg <petli@ctrl-c.liu.se>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
from Xlib import error
from Xlib.protocol import request
import resource
import re
import string
rgb_res = [
re.compile(r'\Argb:([0-9a-fA-F]{1,4})/([0-9a-fA-F]{1,4})/([0-9a-fA-F]{1,4})\Z'),
re.compile(r'\A#([0-9a-fA-F])([0-9a-fA-F])([0-9a-fA-F])\Z'),
re.compile(r'\A#([0-9a-fA-F][0-9a-fA-F])([0-9a-fA-F][0-9a-fA-F])([0-9a-fA-F][0-9a-fA-F])\Z'),
re.compile(r'\A#([0-9a-fA-F][0-9a-fA-F][0-9a-fA-F])([0-9a-fA-F][0-9a-fA-F][0-9a-fA-F])([0-9a-fA-F][0-9a-fA-F][0-9a-fA-F])\Z'),
re.compile(r'\A#([0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F])([0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F])([0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F])\Z'),
]
class Colormap(resource.Resource):
__colormap__ = resource.Resource.__resource__
def free(self, onerror = None):
request.FreeColormap(display = self.display,
onerror = onerror,
cmap = self.id)
self.display.free_resource_id(self.id)
def copy_colormap_and_free(self, scr_cmap):
mid = self.display.allocate_resource_id()
request.CopyColormapAndFree(display = self.display,
mid = mid,
src_cmap = src_cmap)
cls = self.display.get_resource_class('colormap', Colormap)
return cls(self.display, mid, owner = 1)
def install_colormap(self, onerror = None):
request.InstallColormap(display = self.display,
onerror = onerror,
cmap = self.id)
def uninstall_colormap(self, onerror = None):
request.UninstallColormap(display = self.display,
onerror = onerror,
cmap = self.id)
def alloc_color(self, red, green, blue):
return request.AllocColor(display = self.display,
cmap = self.id,
red = red,
green = green,
blue = blue)
def alloc_named_color(self, name):
for r in rgb_res:
m = r.match(name)
if m:
rs = m.group(1)
r = string.atoi(rs + '0' * (4 - len(rs)), 16)
gs = m.group(2)
g = string.atoi(gs + '0' * (4 - len(gs)), 16)
bs = m.group(3)
b = string.atoi(bs + '0' * (4 - len(bs)), 16)
return self.alloc_color(r, g, b)
try:
return request.AllocNamedColor(display = self.display,
cmap = self.id,
name = name)
except error.BadName:
return None
def alloc_color_cells(self, contiguous, colors, planes):
return request.AllocColorCells(display = self.display,
contiguous = contiguous,
cmap = self.id,
colors = colors,
planes = planes)
def alloc_color_planes(self, contiguous, colors, red, green, blue):
return request.AllocColorPlanes(display = self.display,
contiguous = contiguous,
cmap = self.id,
colors = colors,
red = red,
green = green,
blue = blue)
def free_colors(self, pixels, plane_mask, onerror = None):
request.FreeColors(display = self.display,
onerror = onerror,
cmap = self.id,
plane_mask = plane_mask,
pixels = pixels)
def store_colors(self, items, onerror = None):
request.StoreColors(display = self.display,
onerror = onerror,
cmap = self.id,
items = items)
def store_named_color(self, name, pixel, flags, onerror = None):
request.StoreNamedColor(display = self.display,
onerror = onerror,
flags = flags,
cmap = self.id,
pixel = pixel,
name = name)
def query_colors(self, pixels):
r = request.QueryColors(display = self.display,
cmap = self.id,
pixels = pixels)
return r.colors
def lookup_color(self, name):
return request.LookupColor(display = self.display,
cmap = self.id,
name = name)
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