commit 503df807a1d7659850deca687081e91fb672272e
parent a6cb3cbb779bbf8269a85093e3e04e04601dc2eb
Author: Anders Damsgaard <anders.damsgaard@geo.au.dk>
Date: Sat, 15 Feb 2014 21:11:56 +0100
added 256 color palette, still to be incorporated in GUI
Diffstat:
4 files changed, 556 insertions(+), 0 deletions(-)
diff --git a/256-color-rgb.dat b/256-color-rgb.dat
@@ -0,0 +1,256 @@
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diff --git a/256-color.dat b/256-color.dat
@@ -0,0 +1,256 @@
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diff --git a/convert-hex-to-rgb.py b/convert-hex-to-rgb.py
@@ -0,0 +1,24 @@
+#!/usr/bin/env python
+import numpy
+
+_NUMERALS = '0123456789abcdefABCDEF'
+_HEXDEC = {v: int(v, 16) for v in (x+y for x in _NUMERALS for y in
+ _NUMERALS)}
+LOWERCASE, UPPERCASE = 'x', 'X'
+
+def rgb(triplet):
+ return (_HEXDEC[triplet[0:2]], _HEXDEC[triplet[2:4]],
+ _HEXDEC[triplet[4:6]])
+
+#hexlist = numpy.loadtxt('./256-color.dat')
+rgblist = numpy.empty((256,3))
+fin = open('./256-color.dat')
+i = 0
+for line in fin:
+ #print line,
+ rgbval = rgb(line)
+ #print rgbval
+ rgblist[i,:] = rgbval
+ i += 1
+
+numpy.savetxt('256-color-rgb.dat', rgblist, fmt='%d')
diff --git a/cross-stitch.py b/cross-stitch.py
@@ -14,6 +14,26 @@ import matplotlib.backends.backend_wxagg
import matplotlib.pyplot
import wx
+class Palette:
+ def __init__(self, type='256colors'):
+ if type == '256colors':
+ self.rgblist = numpy.loadtxt('./256-color-rgb.dat')
+
+ def nearest256color(self, rgbval):
+ ibest = -1
+ min_misfit2 = float(inf)
+ for i in range(self.rgblist):
+ palettecolor = self.rgblist[i]
+ misfit2 = (rgbval[0] - float(palettecolor[0]))**2 + \
+ (rgbval[1] - float(palettecolor[1]))**2 + \
+ (rgbval[2] - float(palettecolor[2]))**2
+ if misfit2 < min_misfit2:
+ ibest = i
+ min_misfit2 = misfit2
+ return numpy.array((palettecolor[ibest,0], palettecolor[ibest,1],
+ palettecolor[ibest,2]))
+
+
class CrossStitch:
def __init__(self):
